Abstract: Fibers in non-woven fibrous goods are bonded together by a crosslinked carboxylated acrylate polymer which forms a network of coalesced latex particles bonding contiguous fibers. This network exists as a non-continuous, porous film supported upon the fibers of the non-woven goods. The particles are of polymer derived from a crosslinked carboxylate latex containing from 1-20 phr of itaconic acid (IA) and at least 70 phr of one or more copolymerizable monomers one of which is an acrylate having the structure ##STR1## wherein R.sub.1 is hydrogen or methyl;R.sub.2 represents C.sub.1 -C.sub.20 alkyl, C.sub.2 -C.sub.7 alkoxyalkyl, C.sub.2 -C.sub.7 alkylthioalkyl, or C.sub.2 -C.sub.7 cyanoalkyl; andat least 40 phr of said acrylate in said film is present as an alkyl acrylate in which alkyl is C.sub.4 -C.sub.8.

Abstract: A deodorant and mildewproof sheet comprises a vinyl chloride resin, a deodorant which is hardly soluble in water or insoluble in water, and an antifugnal agent which is hardly soluble in water or insoluble in water.

Abstract: An improvement of a medium for electrophoresis which comprises a support of a plastic material and an aqueous polyacrylamide gel, wherein a resin layer comprises a resin having an oxygen permeability coefficient lower than that of the plastic material of the support is arranged betwen the support and the polyacrylamide gel. The resin preferably shows an oxygen permeability of not more than 15 cc/m.sup.2 .multidot.atm.multidot.day in the form of a resinous layer of 20 .mu.m thick, and exemplified by a vinylidene chloride-vinyl chloride copolymer, polyvinyl alcohol, polyacrylonitrile, polyvinylidene chloride, a vinyl alcohol-ethylene copolymer, a vinylidene chloride-acrylonitrile copolymer, and an acrylonitrile-methyl acrylate-butadiene copolymer.

Abstract: A coated, oriented polymer film laminate is provided which comprises:(a) an oriented core layer having an upper face and a lower face, said core layer being fabricated from a polypropylene homopolymer;(b) an oriented layer applied to the lower face, and optionally, to the upper face, of core layer (a), said layer being fabricated from a member of the group consisting of copolymer or blend of copolymers, homopolymer or blend of homopolymers, a blend of at least one copolymer and at least one homopolymer, terpolymer or blend of terpolymers, and a blend of at least one terpolymer and at least one homopolymer or at least one copolymer;(c) a coating layer applied to the upper face of core layer (a), or, where layer (b) has been applied thereto, to the exposed surface of said layer (b), and;(d) an adhesively bonded substrate or a coating composition applied directly to the exposed surface of layer (b) applied to the lower face of core layer (a).

Abstract: Heat resistant binders for flexible nonwoven mats may be prepared using an emulsion polymer comprising 100 parts by weight of acrylate or styrene/acrylate monomers, 3 to 6 parts of a blocked, N-methylol containing comonomer, 0 to 3 parts of a water soluble non-blocked N-methylol containing comonomer and 0 to 5 parts of a multifunctional comonomer. The use of the blocked N-methylol containing comonomer permits the incorporation into the latex binders of higher levels of N-methylol functionality with consequent increase in heat resistance. As such, the binders are useful in the formation of heat resistant flexible mats for use in roofing, flooring and filtering materials.

Abstract: A binder composition is disclosed, which comprises:(A) a copolymer emulsion which contains as its essential ingredients vinyl acetate, ethylene, and a monomer represented by the formula (1): ##STR1## wherein R.sub.1 is H or CH.sub.3 ; and R.sub.2 is H or an alkyl group having not more than 5 carbon atoms, the proportions of the respective ingredients being within the range of 55-96.5/3-40/0.5-5 on a weight basis;(B) a formaldehyde-free nitrogen-containing glyoxal resin;(C) a metal salt catalyst; and optionally(D) a higher alcohol sulfuric acid ester-based surfactant.Nonwoven fabrics and impregnated papers using the binder composition are also disclosed. The binder composition exhibits not only high resistance to water and solvents but also low residual free formaldehyde level, with an improvement in foamability being optionally attainable.

Abstract: An active agent-containing laminated material and the method for producing the same, in which an impermeable film is temporarily adhered to at least one side surface of an active agent-containing film and impermeable film can be peeled off and readhered repeatedly. The laminated material is prepared by directly laminating a molten web of active agent-containing polyolefin composition with an impermeable film at and pressing them together, said active agent-containing polyolefin composition comprising: (A) 10 to 100 parts by weigh to carboxyl group-containing ethylene based copolymer of at least 7% by weight in the content of carboxyl group-containing monomer; (B) 90 parts by weight or less of low density polyethylene having a melt index of at least 30 g/10 min.; and (C) at least 0.005 parts by weight of an active agent or agents relative to 100 parts by weight of said polymers (A) plus (B).

Abstract: A dye-donor element for thermal dye transfer comprising a support having on one side thereof a dye layer and on the other side a slipping layer comprising a lubricating material dispersed in a polymeric binder, the lubricating material comprising a linear or branched aminoalkyl-terminated poly(dialkyl, diaryl or alkylaryl siloxane) such as an aminopropyldimethyl-terminated polydimethylsiloxane and said polymeric binder comprises cellulose acetate propionate, cellulose nitrate or cellulose acetate hydrogen phthalate. The particular binders used minimize sticking and dye crystallization when the dye-donor element is wound up upon itself.

Abstract: A web-shaped or tubular packaging film for use in food packaging applications, particularly as a sausage casing, is comprised of a carrier layer based on fiber-reinforced celulose and a closed thermoplastic, sealable resin coating based on copolymers containing vinylidene chloride (VDC) units. To improve the kink resistance, this resin coating is built up from at least two superposed layers, the first resin coating layer adjacent to the carrier layer being composed of a VDC copolymer forming flexible films and the outer, second resin coating layer being composed of a VDC copolymer forming rigid films. The web-shaped film is suitable for the production of tubular packaging casings, in particular sausage casings, with a longitudinal seam.

Abstract: A typewriter transparency with a supporting substrate and thereover a coating blend selected from the group consisting of (1) poly(vinyl methyl ether), and poly(styrene); (2) poly(vinyl methyl ether), poly(styrene) and poly(ethyl acrylate); (3) a styrene-ethylene-butylene-styrene-triblock copolymer; (4) poly(vinyl acetate), and poly(vinyl isobutylether); (5) a styrene-butadiene-styrene triblock copolymer; (6) poly(vinyl methyl ether), poly(vinyl acetate), and poly(ethylacrylate); (7) poly(hexyl methacrylate) and poly(ethyl methacrylate), and other coatings.

Abstract: A dye-donor element for thermal dye transfer comprising a poly(ethylene terephthalate) support having thereon, in order, a subbing layer and a dye layer comprising a dye dispersed in a cellulosic binder, and wherein said subbing layer comprises from about 5 to about 35 percent by weight of recurring units of an ethylenically unsaturated monomer, from about 0 to about 20 percent by weight of recurring units of an ethylenically unsaturated carboxylic acid, and from about 55 to about 85 percent by weight of recurring units of vinylidene chloride.

Abstract: A coated, oriented polymer film laminate is provided which comprises:(a) an oriented core layer having an upper face and a lower face, said core layer being fabricated from a polypropylene homopolymer;(b) an oriented, heat sealable layer applied to the lower face, and optionally, to the upper face, of core layer (a), said heat sealable layer being fabricated from a member of the group consisting of heat sealable copolymer or blend of copolymers, heat sealable blend of homopolymers and heat sealable blend of at least one copolymer and at least one homopolymer;(c) a coating layer applied to the upper face of core layer (a), or, where heat sealable layer (b) has been applied thereto, to the exposed surface of said layer (b), said coating layer being derived from an interpolymer which is obtained from the interpolymerization of from about 0 to 15 parts by weight of an alpha-beta monoethylenically unsaturated carboxylic acid selected from the group consisting of acrylic acid, methacrylic acid and mixtures thereof

Abstract: A drug delivery device is disclosed for delivering a drug by the oral route to the colon. The device comprises a laminated wall formed of three laminae surrounding a compartment contacting a drug with a passageway through the wall for dispensing the drug.

Abstract: 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.1wherein R.sub.1 is a hydrogen atom or an alkyl group having 1 to 12 carbon atoms;(ii) 30 to 90 wt % of a vinyl ester of the formula: ##STR1## wherein R.sub.2, R.sub.3 and R.sub.4 are each a hydrogen atom or an alkyl group having 1 to 18 carbon atoms;(iii) 1 to 30 wt % of at least one unsaturated carboxylic acid ester selected from the group consisting of an acrylic acid ester in which the alkyl moiety thereof has 1 to 18 carbon atoms and a methyacrylic acid or dibasic unsaturated carboxylic acid ester in which the alkyl moiety thereof has 1 to 18 carbon atoms; and(iv) 0.1 to 10 wt % of an unsaturated carboxylic acid. The paper coating composition of the invention provides improved printability and printing quality and is particularly useful for gravure printing.

Abstract: A biaxially oriented film structure comprising (I) a comparatively thick base layer of a thermoplastic resin containing: an antistatic combination of (a) a compound of the formula RN(R.sub.1).sub.2 wherein R is a C.sub.6 -C.sub.24 alkyl group; R.sub.1 is H (OCH.sub.2 CH.sub.2).sub.n ; n=1-25; and (b) a monoester of an aliphatic C.sub.2 -C.sub.8 polyhydric alcohol and a C.sub.12 -C.sub.24 fatty acid; and a slip improving proportion of (c) a C.sub.12 -C.sub.24 fatty amide; and (II) a comparatively thin surface layer on at least one surface of (I), said surface layer comprising a thermoplastic resin containing an anti-block and COF reducing proportion of a finely divided inorganic material. This structure can be laminated to another film such as a polymeric film or a paper film such as glassine.

Abstract: A carrier for immobilization of physiologically active substances is prepared by treating an assembly of regenerated cellulose fibers having a single fiber fineness of from 0.5 to 30 deniers and a length of at least 1 millimeter with a solution of a polymer having an acid anhydride group. This carrier is easy to handle and permits immobilization of a large amount of a physiologically active substance. Thus it can be used as a catalyst for chemical reactions, a specific absorbent for separation and purification, a material for clinical examination, or a medical material.

Abstract: Disclosed is a tubular food casing which comprises a support tubing of cellulose hydrate comprising water and from about 15 to 30% by weight of a plasticizer and a coating layer applied to the inside surface of the tubing, which comprises a water-insoluble, cured cationic resin, especially a resin based on protein formaldehyde, urea formaldehyde or melamine formaldehyde or a condensation product of an aliphatic polyamine or polyamide or a polyamine-polyamide with bifunctional halohydrins or the derivatives thereof, such as epichlorohydrin, or mixtures of these resins, and additionally a natural oil, a synthetic triglyceride mixture with vegetable fatty acids having from 4 to 14 carbon atoms in their carbon chain, a paraffin oil and/or a silicone oil and optionally one or more than one emulsifier for the oil. Also disclosed is a process for the manufacture of the tubing and a use of the tubing as an artificial sausage casing.

Abstract: Acrylic pressure sensitive hot melt adhesives having improved creep resistance at ambient temperatures and desirable melt viscosity at elevated application temperatures are prepared by copolymerizing suitable acrylic and methacrylic acids and alkyl esters with 10-40 percent by weight of an acrylate or methacrylate terminated vinyl aromatic monomer based macromolecular monomer. The adhesives are coated onto flexible backing material to form labels, decals, tapes, and other sheet materials.

Abstract: A process for producing a fiberous batt by contacting fibers with particles of a copolymer of vinyl chloride and a diester of a vinyl unsaturated dicarboxylic acid.

Abstract: Fluorochemical copolymers, useful as wet-end papermaking additives which impart oil and water repellency and food stain resistance to ovenable paperboard under food cooking conditions, and as a treatment for imparting oil and water repellency to textile fibers. The fluorochemical copolymers are derived (by weight) from about 60 to 80% fluorochemical acrylate, 1 to 30% alkyl or alkoxyalkyl acrylate or methacrylate, 2 to 15% glycidyl acrylate or methacrylate, 1 to 6% of certain cationic acrylates or methacrylates, and 0 to 20% vinylidene chloride.

Abstract: Fluorochemical copolymers, useful as wet-end papermaking additives which impart oil and water repellency and food stain resistance to ovenable paperboard under food cooking conditions, and as a treatment for imparting oil and water repellency to textile fibers. The fluorochemical copolymers are derived (by weight) from about 60 to 80% fluorochemical acrylate, 1 to 30% halogenated alkyl or alkoxyalkyl acrylate, 1 to 15% glycidyl acrylate or methacrylate, 1 to 6% of certain cationic acrylates or methacrylates, and 0 to 20% vinylidene chloride.

Abstract: An improved aqueous coating composition for the production of cast coated paper is disclosed. The pigment component of the coating contains at least 5% by weight of cubic calcium carbonate having a mean particle size of 0.1 to 1.0 micron. When this coating composition is used the operating speed of the cast coating process is remarkably improved and a cast coated paper having excellent whiteness, gloss and printability is obtained.

Abstract: Disclosed is a drafting film which comprises a plastic base provided on at least one surface with an adhesive layer and a pigmented coating system which comprises a pigmented layer and a top layer or a pigmented layer alone. In particular, the pigmented coating system comprises an acrylate or methacrylate copolymer comprising at least 50 percent by weight of an ester monomer, the alcohol component of which has a chain length of at least four carbon atoms, an antistatic agent comprising a polymeric sulfonic acid salt in combination with homopolymers or copolymers of vinyl acetate, or partially hydrolyzed polyvinyl acetate, cross-linking agents and delusterants. Also disclosed is the use of the drafting film for producing diazo sensitized film.

Abstract: A compound molding, suitable for use on automotive vehicle bodies, comprises a surface layer portion made of a hard resin, an intermediate layer made of a resin, a central metal portion, and a protective portion made of a soft vinyl chloride resin at least at one edge portion of the molding where the molding contacts the vehicle body or window glass.

Abstract: A method and chemical solutions for use in increasing the surface and volume conductivities of a cellophane substrate. The substrate can be used for dielectric copying or any other purpose for which a through-conductive substrate is required.

Abstract: A process for producing a fiberous batt by contacting fibers with particles of a copolymer of vinyl chloride and a diester of a vinyl unsaturated dicarboxylic acid.

Abstract: The invention is a fire-resistant, light stable textile structure comprising a mat of fibers held together with a vinylidene chloride interpolymer, containing a light-stabilizing amount of a nitrile-containing comonomer in interpolymerized form.

Abstract: Polymers having excellent adherence to film supports such as cellulose acetate are disclosed. The polymers comprise random recurring units having the structure--A).sub.w, --B).sub.x, --C).sub.y and --D).sub.zwherein;A represents polymerized vinyl acetate;B represents a polymerized acrylate or methacrylate monomer capable of copolymerization with vinyl acetate;C represents a polymerized monomer selected from the group consisting of methacrylic acid, itaconic acid and vinylbenzoic acid;D represents a polymerized cationically charged copolymerizable monomer;w represents from 20 to 85 weight percent;x represents from 5 to 65 weight percent;y represents from 5 to 50 weight percent and;z represents from 0 to 15 weight percent.

Abstract: The invention provides a process for rendering textiles or barrier fabric material flame retardant and smolder resistant with a flame retardant and smolder resistant composition comprised of an aminophosponate ester in combination with a thermosetting, nitrogen-containing resin and preferably a reactive elastomeric latex.

Abstract: An improved pre-formed, sheet-like flexible laminate suitable for waterproofing of structural surfaces, the sheet-like material having a laminate structure of (a) a flexible waterproof and waterproofing bituminous membrane and (b) a support sheet material covering at least one major surface of the bituminous membrane; an oil-impermeable polymeric coating being provided between said support sheet material and the adjacent surface of the bituminous membrane to protect the support sheet from adverse effects of oil present in the bituminous membrane.

Abstract: The present invention concerns laminate articles comprising a plurality of basic material such as sheets of paper or cloth, to which a thermoplastic synthetic resin is impregnated and adhered and which are firmly joined mutually to be en bloc (a united body). Such a laminate article is obtained by impregnating a solution of a thermoplastic synthetic resin in an organic solvent, an aqueous emulsion or an aqueous suspension of the thermoplastic synthetic resin into a plurality of basic material such as sheets of paper or cloth, adhering an amount in a fixed range of the solid component of the thermoplastic resin to the basic material and laminating the plurality of the basic material under a pressure at a temperature higher than the melting point of the resin.

Abstract: Actinic radiation curable coating compositions are provided applicable to many substrates comprising a pentaerythritol-based polyacrylate or polymethacrylate such as pentaerythritol tetraacrylate, a cellulose ester such as cellulose acetate butyrate and a photoinitiator. The compounds are preferably applied to the substrate by spraying a solution of the composition in one or more solvents selected from the group consisting of lower alcohols and ester, ketones having from 3 to 7 carbon atoms and lower alkyl Cellosolves, and removing the solvents.Upon curing in air the compositions form extremely abrasion resistant coatings on the substrate and are also characterized by being scratch resistant and resistant to attack by chemical and organic solvents.

Abstract: A wrapping material is provided, which comprises two mono-axially stretched thermoplastic resin films, placed in such a manner that the stretching axes of the thermoplastic resin films cross each other at an angle of 45.degree. to 90.degree., and an adhesive layer comprising an ethylene-ethyl acrylate copolymer resin sandwiched therebetween. This wrapping material has good physical strength and is suitable for use in the preparation of bags.

Abstract: A plastic film is coated with a coating solution containing a vinylidene chloride copolymer and a surface active agent and thereby provided with an excellent gas barrier property to oxygen gas and water vapor, an excellent transparency, and good printability.

Abstract: A thermoplastic protective film for use in the manufacture of forgery-resistant identification documents, comprising a base layer and a cover layer comprising a partially hydrolyzed olefin/vinyl ester copolymer. The cover-layer side of the film is laminated under the action of heat to the identification document.

Abstract: A composition comprising a radiation-curable polymer, said polymer being crosslinkable and having pendant ethylenically unsaturated peptide groups is disclosed. Such polymers are useful in the field of graphic arts.

Abstract: A silicone resin coating composition which, when applied to a solid substrate, provides a thick abrasion resistant coating thereto, is disclosed herein. The coating composition has a basic pH in the range of from 7.1-7.8 and is prepared by hydrolyzing an alkyltrialkoxysilane or aryltrialkoxysilane in an aqueous colloidal silica dispersion. A thickening agent is added to the resultant hydrolysis product.

Abstract: A coated plastic film possessing good printability slip properties, oxygen and moisture barrier properties and transparency which comprises applying to a plastic film a coating solution of a thermoplastic resin as base resin in which a synthetic resin of a network structure having a softening temperature above 100.degree. C. and being in the form of a fine powder are added, and drying thereafter.

Abstract: A packing material for molten contents is composed of a base film coated with a resin (C) containing an ethylenevinyl acetate copolymer (A) having a vinyl acetate content of approximately 5 to 40 percent by weight and a copolymer (B) of either ethylene or an alpha-olefin with an unsaturated carboxylic acid or its anhydride, having a molecular weight of approximately 2,000 to 20,000, and having the following formula: ##STR1## (wherein R stands for a hydrogen atom or an alkyl group having between 1 and 98, carbon atoms, inclusive, and X stands for a residue of an unsaturated carboxylic acid or its anhydride), in an (A) to (B) ratio between approximately 99:1 and 60:40 by weight or coated with the resin (C) to which a tackifying agent (D) is added in an amount between approximately 3 and 30 percent by weight.

Abstract: A thermoplastic resin film laminate. A thermoplastic film is made abrasion-resistant by coating or laminating (A) one or both sides of a thermoplastic resin film with (B) a vinyl polymer composed mainly of a cyanurate ring-containing (meth)cyanurate having a structure corresponding to the condensation product of 1 mole of cyanuric acid with 3 moles, on the average, of a hydroxyl group-containing (meth)acrylate represented by the formula C H.sub.2 .dbd.CR--COO--R.sup.10 --OH (wherein R is hydrogen atom or methyl group; and R.sup.10 is an alkylene group having a carbon number of 2 to 4), or a cyanurate ring-containing (meth)acrylate having a structure corresponding to the condensation product of 1 mole of cyanuric acid with 2 moles or more and less than 3 moles, on the average, of the above hydroxyl group-containing (meth)acrylate and not more than 0.5 mole, on the average, of a polyhydric alcohol of the formula R.sup.20 --(--OH).sub.y (wherein R.sup.

Abstract: An osmotic system for delivering a beneficial agent is disclosed. The system comprises a wall surrounding a compartment and has a passageway through the wall for delivering agent from the compartment. The wall is formed of a material permeable to the passage of an external fluid and impermeable to the passage of agent. The compartment contains (1) an agent that is soluble in the fluid and exhibits an osmotic pressure gradient across the wall against the fluid, or (2) the compartment contains an agent having limited solubility in the fluid and exhibits a limited osmotic pressure gradient across the wall against the fluid. The compartment also contains along with (1) or (2) a volume amplifier for increasing the amount of agent delivered from the system. The amplifier comprises a membrane surrounding a gas generating couple with the membrane formed of an expandable material permeable to fluid and impermeable to the couple.

Abstract: Laminar structures comprising a color diffusion transfer photographic print bonded to a vinyl sheet using an adhesive mixture of a vinyl acetate-ethylene copolymer and a hydroxylated polymer, and a method for preparation thereof using an adhesive-supporting carrier sheet.

Abstract: The invention relates to a radiation curable coating which provides superior abrasion and chemical resistance and excellent adhesion properties. The coating is produced by radiation curing. A first monomer selected from the group consisting of triacrylates and tetracrylate mixed with a second monomer having an N-vinyl imido group, preferably an N-vinyl lactam, such as vinyl pyrrolidone or vinyl caprolactam. The monomer mixture is substantially oligomer-free and if the radiation is ultraviolet light, a photoinitiator, preferably p-phenoxydichloro acetophenone or dimethoxyphenyl acetophenone, is included in the mixture.

Abstract: 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 and/or the unsubstituted or methylated N-methylolamide of these carboxylic acids and (d) optionally another copolymerizable unsaturated compound which is free from acid groups, (B) an organic solvent which is insoluble to at most slightly soluble in water and has a boiling point between 50.degree. and 160.degree. C. and a molecular weight of 50 to 160, and (C), if desired, a polyfunctional crosslinking aminoplast precondensate or epoxide, is applied to the web, dried and then cured, the web also being impregnated if desired, either before or after coating, but prior to curing, with an agent for imparting hydrophobic and/or oleophobic properties, and dried. The coatings are stable to drycleaning.

Abstract: A process for improving the flame-retardant properties of cellulose containing fibrous materials in the absence of halogen compounds which comprises treating said fibrous materials with an effective amount of a colloidal aqueous dispersion of an alkali metal polyantimonate containing a mole ratio of alkali metal to antimony in the dispersion of at least about 0.3:1, and drying said materials is described.

Abstract: A transparent image sheet carrier for overhead-projection systems is described based upon a dark-tone colored field with image markings in bright-tone contrasting colors, including a sheet bearing a layer containing at least one acid-resistant dye for imparting the dark-tone color to the field; the dye may be discharged in the locale of the image markings by a discharge device with a simultaneous appearance in the image locale of the bright-tone contrasting color.

Abstract: Polyester films consisting of a homogeneous fused, intimate mixture of polyethylene terephthalate (PET) with sufficient polytetramethylene terephthalate (PTMT) to increase film tear strength in excess of 10%. Mixed PET and PTMT resins are extruded and used to produce unoriented, uniaxially oriented, and biaxially oriented polyester films with significantly increased tear strengths. Increased tear strengths are exhibited at different PET-PTMT weight ratios depending upon the orientation of the film.

Abstract: This application concerns compositions comprising a mixture of an air-drying dicyclopentenyl acrylate or methacrylate binder and a granular or particulate aggregate material, which may comprise a hydraulic cement, and is adapted to be formed by casting, extruding, or molding in any fashion into any desired shape and air-drying the resulting shaped article, thereby producing an integral, solid article of unitary mass and structure. The dicyclopentenyl (meth)acrylate may be used as an impregnant, polymerizable in situ, for already formed articles of porous nature, e.g., concrete, wood, pressed boards, and pressed powdered metal, such as iron, aluminum, steel, etc., to reduce the permeability at their surfaces and provide hard, continuous, hydrophobic, wear-resistant, and weather-resistant surfaces thereon.

Abstract: This invention relates to organic pigment-containing paper coating systems which require less severe calendering conditions to develop the surface and optical properties of paper than coating systems using inorganic pigments alone. It comprises overcoating a pre-applied mineral based coating with an organic pigment based coating.

Abstract: Disclosed is a packaging material suitable for manufacturing synthetic sausage casings, comprised of a cellulose hydrate base layer and a layer of vinylidene chloride containing copolymer on the base layer, as well as several methods for preparing the packaging material.