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391
This subclass is indented under subclass 389.9. Processes wherein the substrate is a water laid fibrous material.
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Patent Number
Title
Date
3936581
Hardenable compositions
Feb-3-1976
Solventless paper treating compositions based on organopolysiloxanes comprising 80-99 pbw liquid hydroxy-ended diorganopolysiloxane, 1-20 pbw liquid organohydrogenpolysiloxane, up to 0.1 pbw (as platinum) of an organic sulphur complex of platinum and a selected olefin in amount such that there is present...
3965074
Homopolymers of polyfluorinated vinyl isocyanates
Jun-22-1976
Disclosed herein are polyhalogenated isocyanates (intermediates for polyfluorinated vinyl isocyanates); polyfluorinated vinyl isocyanates, process therefor, and homopolymers and copolymers thereof; and use of said polyfluorinated vinyl isocyanate homopolymers and copolymers as water and oil repelling...
3965127
Urea-phosphorus compounds
Jun-22-1976
The present invention relates to new cyclic organophosphorus esters having the following structures: ##EQU1## where R is aryl or chloroalkyl of 2 to 10 carbon atoms, R' is aryloxy or chloroalkyloxy of 2 to 10 carbon atoms, R" is hydrogen, alkyl, alkenyl, furanyl or aryl of 1 to 15 carbon atoms and substituted...
3983268
Process for surface sizing paper
Sep-28-1976
Process for the manufacture of surface-sized papers by impregnating a paper with a solution containing a water-soluble salt of a random polymer based on .alpha.-olefins and ethylenically unsaturated acids and a compound of the formula: ##EQU1## wherein R is alkyl, aryl or a radical of the formula: ##EQU2##...
3983269
Durable press composition and process
Sep-28-1976
Durable crease and wrinkle resistance properties are permanently imparted to fabrics and garments by treating the same with a novel composition prepared by reacting a urea with a condensation product of an aldehyde, an amine and phosphoric acid under curing conditions.
3983289
Electrically insulating prepreg
Sep-28-1976
An electrically insulating prepreg which comprises a resin composition of an alicyclic epoxy compound prepared by the expoxidation of an alkadiene alcohol ester of an alicyclic polybasic carboxylic acid, a latent curing agent, and a solid substrate, wherein said resin composition, once it has been applied...
3984367
Durable press composition and process
Oct-5-1976
Durable crease and wrinkle resistance properties are permanently imparted to fabrics and garments by treating the same with a novel composition prepared by reacting a urea with a condensation product of an aldehyde, an amine and phosphoric acid under curing conditions.
4002790
Postformable laminate
Jan-11-1977
The postformability of laminates particularly decorative laminates, having resin-impregnated paper layers is improved by resin treating at least one of the core layers near the surface of the laminate to render the fibers therein less yielding than those of the other layers.
4003961
Linear copolymers of glycidol
Jan-18-1977
Linear copolymers of glycidol, glycidyl esters of unsaturated fatty acids and, optionally, alkylene oxides, are made by the reaction of an unsaturated fatty acid with a polymer or copolymer of tert.-butyl glycidyl ether in the presence of an acid catalyst. The products are polymerizable and copolymerizable...
4008353
Water swellable articles
Feb-15-1977
Water swellable polyacrylate articles are made from a solution of the polyacrylate having an effective amount of a soluble crosslinking agent therein by heating and/or drying the solution. The polyacrylate solution is made from a polyacrylate by saponification and the crosslinking agent is then added.
4014854
Linear copolymers of glycidol
Mar-29-1977
Linear copolymers of glycidol, glycidyl esters of unsaturated fatty acids and, optionally, alkylene oxides, are made by the reaction of an unsaturated fatty acid with a polymer or copolymer of tert.-butyl glycidyl ether in the presence of an acid catalyst. The products are polymerizable and copolymerizable...
4029885
Cationic starch sizing
Jun-14-1977
Paper and other cellulose materials are sized with a cationic starch which comprises the reaction product between an anionic starch and a condensate of epichlorohydrin with an equimolar quantity of dimethylamine, in which up to 30% molar ammonia may be substituted for a like molar amount of dimethylamine.
4037017
Electroconductive paper
Jul-19-1977
Disclosed is electroconductive paper adapted particularly for use in the manufacture of paper used in the electrophotographic reproduction of images.
4040900
Method of sizing paper
Aug-9-1977
A size mixture comprising a substituted cyclic dicarboxylic acid anhydride and polyoxyalkylene alkyl or alkyl-aryl ether or the corresponding mono- or di-ester is used to size paper products. In accordance with a preferred embodiment the liquid size mixture is added directly to the paper stock system...
4042643
Organopolysiloxane compositions
Aug-16-1977
Diorganopolysiloxane release compositions, the release properties of which are modified by the incorporation of a copolymer of average general formula A.sub.3 SiO(Me.sub.2 SiO).sub.x (MeRSiO).sub.y (MeHSiO).sub.z SiA.sub.3 where A and R are selected from specified groups x and z are numbers from 0-950,...
4042732
Cohesive coating compositions
Aug-16-1977
A cohesive coating composition comprises in dispersion in a liquid a mixture of between 51 and 99% by weight of a natural or synthetic rubber and between 1 and 49% by weight of polyalkyl methacrylate in which dispersion there is incorporated between 5% and 35% by weight, based on the weight of the solids,...
4046946
Lithographic printing plate
Sep-6-1977
The desirable attributes of both a barrier coat and a face coat and elimination of a coating step are obtained in manufacture of a lithographic printing plate having a paper base and a lithographic printing surface thereon, wherein said surface comprises a coating of positively charged colloidal silica...
4054707
Sulphonated polyaryl-ether-sulphones and membranes thereof
Oct-18-1977
Novel sulphonated polyaryl-ether-sulphone resins are described which are particularly suitable for producing semi-permeable membranes, in particular for reverse osmosis. These resins consist essentially of a plurality of units of the formula: ##STR1## and, optionally, a plurality of units of the formula:...
4056431
Resin-containing cellulosic overlays
Nov-1-1977
Disclosed are improved resin-containing cellulosic overlays for overlaying woody substrates and processes for preparing same. The overlays are produced by admixing an aqueous slurry of cellulosic fibers and a resole resin produced by reacting bisphenol A, a para-substituted phenol selected from p-tertiarybutylphenol,...
4058648
Dense paper
Nov-15-1977
A dense paper comprising a web of cellulosic fibers and an impregnant dispersed throughout the web, the impregnant consisting essentially of a blend of a rigid polymeric material and an inorganic filler, in stated proportions, with the impregnant constituting a minor portion of the finished weight of...
4061833
Latex coatings for electrographic sheets
Dec-6-1977
An aqueous latex coating composition comprising a non-conductive, water-insoluble copolymer of (1) methacrylic acid or maleic acid, (2) a styrene compound, and (3) a conjugated diene hydrocarbon or an alkyl ester of methacrylic acid or of acrylic acid is coated onto a sheet which is conductive or is...
4078104
Release composition for bituminous materials
Mar-7-1978
A release composition for bituminous materials comprising a mixture of an organopolysiloxane and an aminofunctional silicon fluid.
4081318
Preparation of impregnated fibers
Mar-28-1978
A process is shown wherein an aqueous binder composition, preferably a latex binder composition, is foamed and applied as a layer of controlled thickness on a transfer roll rotating above a moving fibrous web but out of touch with the latter while suction is applied below the web in the region of the...
4097647
Lithographic printing plate
Jun-27-1978
An improved lithographic printing plate having a lithographic surface thereon comprising a resinous coating, at least a major fraction of which is a self-insolubilizing or cross-linkable cationic resinous binder.
4112192
Method of finishing coated paper
Sep-5-1978
Production of high-gloss coated paper with heated calendering apparatus through the use of a coating composition comprising pigment and a hard latex binder.
4119746
Cross-linking resin saturant and method
Oct-10-1978
Porous, fibrous materials such as non-woven polyester or polypropylene web materials, cotton web, paper and other materials are saturated with a storage stable one-package latex composition. The latex composition is modified with a temperature sensitive cross-linking agent and neutralizing agents. The...
4148987
Radiation-curable monomers and polymers thereof
Apr-10-1979
Monoethylenically unsaturated derivatives of substituted benzophenones or acetophenones which are prepared by reaction of such a benzophenone or acetophenone with a vinyl benzyl halide, such as the chloride, are polymerizable to form homopolymers or copolymers e.g. with a wide variety of conventional...
4151327
Complex amine/silane treated cellulosic materials
Apr-24-1979
Paper, cotton cloth, wood, fiberboard, and other cellulosic products are first treated with an organic base and then treated with a halosilane. This results in the formation of an amine/silane complex within the cellulose fibers as well as on the surface of the cellulosic product. This treatment imparts...
4185017
N-substituted .epsilon.-caprolactams
Jan-22-1980
Condensation products of .epsilon.-caprolactam, formaldehyde and formamide, especially N-(formylaminomethyl)-.epsilon.-caprolactam and N-(N'-formyl-N'-hydroxymethyl-aminomethyl)-.epsilon.-caprolactam, are prepared by reacting formamide and formaldehyde in the presence of a base and in the presence or...
4190688
Silicone paper release compositions
Feb-26-1980
A paper release coating emulsion composition comprising a vinyl-containing polymer of the formula, ##STR1## where Vi is vinyl, R is an aliphatically saturated monovalent hydrocarbon radical, R' is a monovalent hydrocarbon radical and x and y vary such that the polymer has a viscosity varying from 1500...
4202925
Paper surgical tape
May-13-1980
An adhesive tape which includes an acrylic pressure sensitive adhesive mass coated on one side of a saturated paper, said paper (1) being saturated with from 20 to 75 parts per hundred parts paper of an acrylic polymer having a T.sub.g of less than 20.degree. C., and (2) comprising a mixture of woodpulp...
4241142
Clay pigment for coating paper
Dec-23-1980
A novel clay pigment, the manufacture thereof and the use of the pigment in the production of dull and matte-finish coated printing papers. The novel clay pigment comprises a mixture of a coarse-size fraction of naturally-occurring kaolin clay containing a substantial proportion of kaolinite booklets...
4247588
Improved thermoplastic coated paperboard web
Jan-27-1981
A web suitable for forming liquid-containing paperboard cartons wherein a thermoplastic film is extruded onto a paperboard web, the film having thick strips deposited over those areas of the web which ultimately form the bottom portion of the cartons.
4250212
Wet strength paper additives
Feb-10-1981
A polymer is described which has particular utility as an additive imparting wet an dry strength to a paper base. The polymer is formed by the reaction of a polymer of an N,N-disubstituted vinyl-benzyl amine or homologue thereof with an epihalohydrin.
4251596
Production of non-stick coatings
Feb-17-1981
In the production of non-adherent coated paper substrate by applying to the substrate a solvent-containing mixture comprising (A) 100 parts by weight of an .alpha.,.omega.-dihydroxypolydimethylsiloxane having a viscosity between 10.sup.5 and 5. 10.sup.7 cP at 20.degree. C., (B) about 1 to 20 parts by...
4262107
Rhodium catalyzed silicone rubber compositions
Apr-14-1981
A silicone rubber composition with a good shelf life and fast curing at elevated temperatures comprising a silanol end-stopped diorganopolysiloxane polymer, a silicone hydride and a rhodium complex catalyst in combination with an inhibitor compound selected from low molecular weight silanol end-stopped...
4263073
Process for releasing laminates
Apr-21-1981
A novel method of releasing from one another in a press pack, a plurality of heat and pressure consolidated resin-impregnated laminates, including those pressed back-to-back, e.g. decorative laminates, metal clad laminates, veneer backs and the like, which method comprises utilizing, as a separator sheet,...
4263344
Paper coating methods
Apr-21-1981
A method of coating sheet material with a coating composition comprising particulate solid material suspended in a liquid carrier, wherein the coating composition is applied to the sheet material as a foam and subsequently dried, the air content of the foam being such that the viscosity of the coating...
4265969
Method for manufacturing cast-coated paper
May-5-1981
High quality cast-coated paper is obtained with high productivity by applying an aqueous coating composition containing a coating pigment and a binder to the surface of base paper by means of a blade coater to form an undercoating layer, the application rate being from 5 to 25 g/m.sup.2 on dry basis...
4268615
Method for producing relief
May-19-1981
A method for producing a relief, which comprises forming a layer of a pattern on the surface of a sheet made of a material having the property of increasing in volume when heated, said pattern being made of a material having a stronger ability to absorb light than the aforesaid material, and then irradiating...
4277529
Bonding of lightweight tissue paper
Jul-7-1981
There is disclosed bonded lightweight tissue paper having improved wet and dry tensile strength and excellent softness and absorbency. The paper is produced by a process which comprises applying a binder composition to a dry web of lightweight soft and absorbent tissue paper, wherein the binder composition...
4282060
Organic pigments
Aug-4-1981
Disclosed are novel organic pigments adapted particularly for use as fillers for paper. The organic pigments are finely divided particles obtained by graft copolymerizing an ethylenically unsaturated monomer, such as styrene, onto a water-soluble cationic prepolymer in an aqueous solution and in the...
4298639
Wet strength polymers
Nov-3-1981
The invention provides a stable polymeric additive useful for improving the wet strength of a cellulosic substrate. The additive is a water-soluble cationic thermosetting polymer incorporating a plurality of extralinear glycidyl quaternary ammonium groups. The invention also comprises a method of making...
4301210
Method for manufacturing cast-coated paper
Nov-17-1981
High quality cast-coated paper is obtained with high productivity by applying an aqueous coating composition containing a coating pigment and a binder to the surface of base paper by means of a blade coater to form an undercoating layer, the application rate being from 5 to 25 g/m.sup.2 on dry basis...
4303727
Intumescent flame-resistant coating
Dec-1-1981
A plastic coating is provided which protects coated structures from flame. The coating is a product resulting from mixing an aromatic polyisocyanate, an aromatic polycarboxylic compound, and furfuryl alcohol at a temperature less than 80.degree. C. The structure to be protected from flame is coated with...
4311737
Adhesive silicone compositions for substrates
Jan-19-1982
Adhesive silicone composition with good adherence to various substrates comprising a silicone mixture selected from the class consisting of a mixture of a polysiloxane having glycydoxy or epoxycyclohexyl groups in combination with an amine functional silane or siloxane. These compositions provide good...
4312914
Process for coating porous webs
Jan-26-1982
The subject of the invention is a process for coating porous webs, wherein an aqueous, spreadable composition which has a pH value of 3 to 6 and contains at least (A) an emulsion copolymer comprising (a) an alkyl acrylate, (b) acrylonitrile, (c) an ethylenically unsaturated aliphatic carboxylic acid...
4328284
Coating of paper
May-4-1982
The opacity and brightness of a sheet of paper coated with a composition comprised essentially of a pigment and a latex of a film-forming polymer are improved when the paper after being coated is dried under conditions adapted to prevent coalescence of the polymer particles of the latex during the drying...
4333971
Substrate treating compositions
Jun-8-1982
The properties of a fibrous substrate are improved by application of a composition comprising a hydrophilic air-curing polymer and a compound comprising at least two free radical polymerizable unsaturated groups. The composition can optionally contain in addition a latex of a thermoplastic polymer.
4339479
Treatment of cellulose
Jul-13-1982
A process for rendering cellulosic material water repellent that requires no subsequent neutralization step while retaining the desired water repellent and strength characteristics thus provided by selecting a cellulosic material having a water content of up to about 10%, preferably below about 2% and...
4347346
Silicone release coatings and inhibitors
Aug-31-1982
There is provided a platinum or rhodium catalyzed addition curable polyorganosiloxane release coating composition containing a dialkylacetylenedicarboxylte inhibitor for preventing premature gellation at ambient temperatures but which will cure at elevated temperatures via a hydrosilation reaction to...
4348257
Organic pigments
Sep-7-1982
Disclosed are novel organic pigments adapted particularly for use as fillers for paper. The organic pigments are finely divided particles obtained by graft copolymerizing an ethylenically unsaturated monomer, such as styrene, onto a water-soluble cationic prepolymer in an aqueous solution and in the...
4349610
Method for waterproofing paper
Sep-14-1982
A method for improving the water repellency of a naturally porous, moisture-containing paper web by treating the web with a coating composition containing as its active coating ingredient an alkyl alkoxysiloxane which reacts with the moisture contained in the paper web to produce a polymer and an alcohol...
4360613
Ether-ester water reducible coating compositions
Nov-23-1982
Water reducible compositions useful as coating compositions for flexible substrates are prepared by reacting a glycidyl polyether of a dihydric phenol with a polyethylene glycol and ortho phosphoric acid.
4361108
Image-transferring sheet
Nov-30-1982
This invention provides an image-forming and image-transferring sheet comprising a base layer having a first surface and a second surface. The base layer is impregnated with a first image-forming reactant whereas each of the surfaces of the base layer has coated thereon a microporous membrane layer having...
4366189
4-Heterocyclyl-4'-vinylstilbenes
Dec-28-1982
The invention relates to 4-heterocyclyl-4'-vinylstilbenes of the formula ##STR1## wherein Q is a monocyclic 5- or 6-membered aromatic heterocyclic ring which is unsubstituted or substituted by non-chromophoric groups and which contains no fused benzene rings or 1 or 2 fused benzene rings, or is a bicyclic...
4370389
Coated paper of improved printability
Jan-25-1983
A coated paper having a high paper gloss and a surface strength sufficient enough for practical purposes is obtained by coating a base paper sheet with an aqueous coating composition comprising a paper-coating pigment and a latex of styrene-butadiene copolymer or modified styrene-butadiene copolymer,...
4419401
Fire retardant concentrates and methods
Dec-6-1983
There is disclosed a flame retardant composition suitable for application to a variety of textile and textile related products. The formulation is a water based liquid polymeric concentrate comprising about 35-65 parts of ammonium phosphate, about 10-30 parts of ammonium sulfate, about 40-60 parts of...
4421783
Process for coating substrates
Dec-20-1983
A process for coating a substrate which comprises coating the substrate with a solution containing an organic solvent and (1) a diorganopolysiloxane having terminal SiC-bonded vinyl groups, (2) an organopolysiloxane having at least 3 Si-bonded hydrogen atoms per molecule, (3) a catalyst which promotes...
4423118
Thickened paper coating composition
Dec-27-1983
A coating composition, comprising an aqueous dispersion of a pigment such as clay and a binder such as a latex of a copolymer of styrene and butadiene thickened with a water-soluble copolymer of an .alpha.,.beta.-ethylenically unsaturated carboxylic acid such as acrylic acid, an ethylenically unsaturated...
4456632
White electrosensitive paper
Jun-26-1984
Method and apparatus for fabricating electrosensitive paper with a white finish. The paper comprises a base layer of paper, a solvent-based resin coating, and a thin surface layer of aluminum, optionally including a white overcoat. A mixture of solvents may be employed having different evaporation rates,...
4465732
Process for treatment of fibers
Aug-14-1984
An improved method of treating fabrics made with natural fibers using hydroxymethylsulfonate to render the fabrics wrinkle resistant. According to the improved process, an alkylene glycol is incorporated in the sodium hydroxymethyl sulfonate padding bath used to impregnate the fabric thereby surprisingly...
4469555
Organic pigments
Sep-4-1984
Disclosed are novel organic pigments adapted particularly for use as fillers for paper. The organic pigments are finely divided particles obtained by graft copolymerizing an ethylenically unsaturated monomer, such as styrene, onto a water-soluble cationic prepolymer in an aqueous solution and in the...
4473603
Process for preparing adhesive-repellent coatings
Sep-25-1984
Coatings which have a predetermined degree of adhesive-repellency are prepared by applying to surfaces which are to be rendered adhesive-repellent an organopolysiloxane having Si-bonded hydrogen and an aliphatic multiple bond in the same molecule and a catalyst which promotes the addition of Si-bonded...
4476166
Silicone release coatings and inhibitors
Oct-9-1984
A solventless release coating composition is provided as well as a method for rendering materials nonadherent to other materials which would normally adhere thereto. The coating composition is a precious metal catalyzed silicone composition comprising a vinyl functional polysiloxane base polymer and...
4477535
Coated papers
Oct-16-1984
Paper having enhanced gloss and pick resistance may be prepared using as a binder a latex of heterogeneous particles having a core and shell type structure. The polymer particles have a composition such that the shell is harder than the core.
4508594
Polyaldehyde/polyacetal compositions
Apr-2-1985
Water-soluble monomers and water-soluble polymers derived therefrom are disclosed. These materials can be used with other vinyl monomers to form water-soluble polymers which are reactive with cellulosic substrates to obtain drastically improved strength, particularly when applied in paper manufacture....
4524104
Adhesive composition and laminates therefrom
Jun-18-1985
An adhesive composition comprises (A) an acrylic copolymer having NCO-reactive groups, (B) a blocked polyisocyanate and (C) a cycloamidine or acid addition salt thereof, as catalyst. The composition can be applied by hot-melt coating. Cured products from the composition are useful as pressure-sensitive...
4537807
Binder for pre-moistened paper products
Aug-27-1985
A premoistened towelette or wiper type paper product having high wet strength when stored in an acidic pH medium and during usage and lower wet strength when immersed in a neutral or alkaline pH medium for disposal in conventional sewage systems comprising a non-woven fibrous web which is treated with...
4543290
Chemical resistant decorative laminates
Sep-24-1985
A resin impregnated and coated, fibrous, chemical resistant decorative laminate is made, having a bottom portion impregnated with phenolic resin, a top portion impregnated and coated with vinyl ester terminated bisphenol A epoxy resin, and a middle portion impregnated with aminotriazine-aldehyde resin...
4551200
Paper sizing composition and method
Nov-5-1985
A method for sizing cellulosic fiber containing paper with a sizing agent having the formula: ##STR1## wherein n is an integer from 12 to 24. The sizing agent is reacted with the paper at a pH of from about 11 to about 14 in the presence of tetrabutylammonium hydroxide.
4552803
Fire retardant powders and methods
Nov-12-1985
Fire retardant compositions in the form of a powder are produced from the following components: PRETEXTREPLACED Also provided are retardant compositions containing the powder and methods for treating substrates, such as paper or wood, as well as cotton, wool, and synthetic textiles to impart fire retardant...
4568574
Light refractive coated paperboard
Feb-4-1986
A light refractive coated paperboard is provided comprising a normally oil and grease permeable substrate, a non-leafing silver-colored ink layer applied to one surface of said substrate and a highly pigmented (titanium dioxide) ink layer superimposed on said non-leafing silver colored ink layer and...
4595611
Ink-printed ovenable food containers
Jun-17-1986
An ink-printed ovenable food container is prepared by (a) printing a layer of paperboard with an ink containing a sulfonated polyester pigment binder, (b) coating the resultant ink-printed paperboard with an unpigmented composition containing a sulfonated polyester, (c) coating the resultant ink-printed...
4610920
Binders for nonwovens
Sep-9-1986
Nonwoven fabrics characterized by a superior balance of strength and softness are formed utilizing an aqueous emulsion prepared by the emulsion polymerization of: 30 to 50% by weight of vinyl ester of an alkanoic acid; 10 to 30% by weight ethylene; 30 to 50% by weight of C.sub.4 -C.sub.8 alkyl acrylate;...
4613633
Copolymer latex
Sep-23-1986
A copolymer latex comprising heterogeneous polymer particles having a hard polymer domain and a soft polymer domain, characterized in that (a) the hard polymer domain is a polymer having a glass transition temperature of at least 60.degree. C., (b) the soft polymer domain is a copolymer obtained by polymerizing...
4623412
Resin impregnated board
Nov-18-1986
Uniformly impregnated liner and medium for making corrugated board are prepared by using a urea-aldehyde impregnating composition to impregnate board in-line and a process where the coated board is treated with an aqueous primer and fully cured to provide board having resin free surfaces.
4657821
Paper coating composition
Apr-14-1987
A paper coating composition is disclosed, which comprises: (A) a pigment, and (B) a copolymer emulsion prepared by polymerizing a monomer mixture containing: (i) 5 to 40 wt % of an .alpha.-olefin of the formula: CH.sub.2 .dbd.CH--R.sub.1 wherein R.sub.1 is a hydrogen atom or an alkyl group having 1 to...
4657946
Paper sizing method and emulsion
Apr-14-1987
Cationically charged water soluble vinyl addition polymers and condensation polymers provide improved emulsification of alkenyl succinic anhydride sizing agents. Sized paper products prepared from alkenyl succinic anhydride emulsions made with the polymers have superior ink holdout.
4670311
Impregnated fibrous laminates
Jun-2-1987
An improved fibrous laminate is formed by impregnating a paper-like material with a substantially anhydrous emulsifiable methylene diisocyanate (EMDI) and allowing the EMDI to cure at ambient or higher temperature. EMDI-impregnated laminates, such as tubes and cones show improved strength compared with...
4717502
Aqueous optical brightener compositions
Jan-5-1988
Aqueous optical brightener compositions consisting essentially of: (a) at least one optical brightener of formula ##STR1## in which R.sub.1 is hydrogen or --SO.sub.3 M; R.sub.2 is hydrogen or --SO.sub.3 M; R.sub.3 is hydrogen, C.sub.2-3 -hydroxyalkyl, C.sub.1-4 -alkyl, --CH.sub.2 --CH.sub.2 --CN or --CH.sub.2...
4743475
Drywall coating composition
May-10-1988
The unequal porosity and different textures of a drywall reinforced with joint tape and joint compound are concealed by a paint made from a low cost, easily dispersible powder in which the pigment volume concentration is about 70% to about 75%. A vinyl acetate/ethylene copolymer serves as the principle...
4770934
Ink jet recording medium
Sep-13-1988
An ink jet recording medium having at least one ink receptive layer containing synthetic silica of fine particle form as a main pigment, having a recording surface dried by pressing said recording surface against a heated mirror surface, and having ink receptive layer having an absorption capacity of...
4772491
Coating process
Sep-20-1988
Forming an aqueous printing ink or its semiaqueous or substantially nonaqueous concentrates exemplified as comprising a substantially homogeneous system of the components: (1) from about 4 to about 90 weight % of one or more polyester materials having an acid component of from about 75 to about 84 mole...
4772493
Process for impregnating
Sep-20-1988
A process for impregnating a continuous sheet of glass fibre web, paper, carbon fibre, cloth etc., which comprises feeding the sheet continuously into a closed vessel filled to a suitable height with a polymer solution, immersing the sheet under the surface of polymer solution while causing solvent boiling...
4777224
Anionic polyurethanes
Oct-11-1988
Anionic polyurethanes are produced by reacting an aliphatic dihydroxy compound, which has an aliphatic substituent with at least 10 carbon atoms, with a polyisocyanate to form a prepolymer with an NCO end group, and for the purpose of chain lengthening, by reacting the prepolymer with an aliphatic diol,...
4781941
Method of matting pre-sensitized plates
Nov-1-1988
A method of matting a pre-sensitized printing plate is disclosed. The method is comprised of electrostatically providing fine droplets of an aqueous liquid with a resin dissolved or dispersed therein on the obverse surface or reverse surface of the pre-sensitized printing plate and, thereafter, drying...
4794044
Method for surface treatment
Dec-27-1988
A method for forming a layer of a carbide or nitride of a metallic element or boron nitride on the surface of a ceramics article. A molten salt bath is prepared by heating and melting a bath agent composed of boron oxide and/or borate, and at least one metallic element selected from Group IVa, Va, VIa...
4816074
Kaolinite aggregation using sodium silicate
Mar-28-1989
A process is described in which a structured aggregated kaolin pigment is prepared by mixing substantially dry kaolin in particulate form with an aqueous alkali metal silicate to deposit on the surface of the kaolin particles a substantially molecular level of said silicate without formation of silica...
4820554
Coated paper and process
Apr-11-1989
A coated paper of improved optical and printing qualities, coated with a structured kaolinitic pigment. The pigment consists of porous aggregates of kaolin particles which are chemically bonded together. The pigment may be produced by chemically reacting a particulate kaolin with a metal chloride, such...
4826536
Structured kaolin pigments
May-2-1989
The invention relates to a structured kaolinitic pigment having improved physical and optical characteristics when incorporated as a filler or coating pigment in paper. The pigment consists of porous aggregates of kaolin particles which are chemically bonded together. The pigment may be produced by chemically...
4830924
Modified silicone release coating compositions
May-16-1989
Addition curable silicone release compositions comprised of a vinyl-functional base polymer, a cross-linking agent, a precious metal catalyst, and an effective amount of C.sub.4 -C.sub.30 .alpha.-olefins are provided which allow reduction in the amount of catalyst or allow the use of vinyl-containing...
4844777
Water-resistant photographic paper support
Jul-4-1989
There is described a water-resistant paper support for photographic layers with at least one coating hardened by electron beams, in which the base paper of the paper support contains at least one aluminum compound in a quantity, relative to the aluminum ion, of 1 to 12 kg/t of cellulose, preferably 3...
4873124
Heat stable prepastes for wallcoverings
Oct-10-1989
A method of producing a prepasted wallcovering comprises applying to a substrate a paste composition comprising a water-in-oil emulsion of a water-soluble polymer which is essentially wholly anionic but contains a small amount of crosslinking residues derived from a polyfunctional monomer. The composition...
4892620
Diurethane latex and processes
Jan-9-1990
A sizing agent for paper consisting essentially of a latex consisting essentially of at least one diurethane dispersed in an aqueous medium, said diurethane being of the formula: ##STR1## in which: (a) R.sub.1, R.sub.2, R.sub.5 and R.sub.6 are each alkyl radicals and at least one of them possesses a...
4908240
Printability of paper
Mar-13-1990
The printability of paper is improved by applying an aqueous coating agent consisting of (a) 100 parts by weight of a finely divided pigment, (b) from 5 to 70 parts by weight, based on solids, of a cationic aqueous polymer dispersion of a paper size and (c) from 0.01 to 10 parts by weight of a surfactant...
4927495
Support for photographic printing paper
May-22-1990
A support for photographic printing paper containing a base paper having polyolefin coated on both surfaces thereof, wherein as the base paper is used a one side-machine glazed paper having a glossy surface which is obtained by bringing one surface of a wet paper into intimate contact with the mirror...
4935097
Process for producing paper
Jun-19-1990
A paper having an absolute dry moisture content (moisture content in absolute dry condition) of 1.8-7% is subjected to a heat calendering treatment at a temperature of 150.degree.-300.degree. C. under a linear pressure of 40 kg/cm or above to provide a paper which has both satisfactory surface smoothness...
4938412
Manufacture of colored egg packages
Jul-3-1990
The invention relates to a method for the manufacture of colored egg packages, apparatus for carrying such a method into effect and egg packages manufactured by this method. The invention concerns a method for the manufacture of colored egg packages (6) made from wood pulp and/or waste paper (paper pulp)...
4983309
Lubricants for cotton spinning
Jan-8-1991
For cotton spinning, use is made of a treatment agent containing silicone with viscosity at 25.degree. C. of 10 centistokes or greater such as dimethylsilicone, end hydroxy modified dimethylsilicone or epoxy modified dimethylsilicone and an emulsifier such as polyoxyethylene alkylether or polyoxyethylene...
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