Abstract: A preparation is disclosed herein which may be used for making shaped articles, particularly for making tubular films for the packaging of sausages. The preparation comprises collagen and a precondensate, which precondensate comprisesA. one or more structural units derivable from a compound containing at least one amine group, andB. one or more structural units derivable from a compound containing at least one aldehyde group and/or one or more structural units derivable from a polyhydroxy compound.Also disclosed are a process for making the preparation, a method of making a shaped article from the preparation, and shaped articles so made. The collagen used is advantageously contained in an animal hide fibre composition.

Abstract: Separation of proteins from one another by passing an aqueous solution of a mixture of proteins through two or more bodies of matrices each having hydrophobic ligands covalently attached to it, the order of hydrophobicity being such that the protein mixture comes into contact with a first body having the least hydrophobic ligands, then with a second body having more hydrophobic ligands, etc., whereby the most highly hydrophobic proteins are adsorbed on the first (least hydrophobic) matrix, etc. in order of increasing hydrophobicity of the matrices and decreasing hydrophobicity of the proteins in the mixture.

Abstract: A drying type crack-resistant joint compound comprising terra alba and a binder, the compound being characterized in that it is essentially free of mica.

Abstract: An unsaturated polyester composition for molding compounds, consisting essentially of (1) 20 to 70 parts by weight of an unsaturated polyester obtained by condensing an acid component comprising a major amount of an .alpha.,.beta.-ethylenically unsaturated dicarboxylic acid with a polyol, (2) 25 to 75 parts by weight of a vinyl monomer copolymerizable with said unsaturated polyester, (3) 1 to 25 parts by weight of a thermoplastic polymer, and (4) at least one member selected from the group consisting of hydroxyl-containing vinyl monomers and epoxy-containing vinyl monomers in a ratio of 1 to 40 parts by weight to 100 parts by weight of said unsaturated polyester (to form 100 parts by weight of the composition). The composition may be molded and cured to yield articles which provide good adhesion to surface coatings and are sesceptible of decorative finishes.

Abstract: Starch-containing polymer compositions are prepared which absorb amounts of water equaling up to more than 1000 times their own weight. The compositions find many applications including their incorporation into products such as disposable diapers, surgical pads and sheets, and paper towels.

Abstract: An adsorption material for the purification of industrial effluents which comprises a non-cellulosic carrier pretreated with a polymer associate of a basic, nitrogenous polymer with a polyanionic polymer.

Abstract: Coating and structural component compositions which are aqueous dispersions of urethane and acrylic polymers and filler or binder additives which are applied as textured coating or formed as by casting in structural components like block, bars, etc., which include binders and fillers, and a method of casting and drying the composition to make the structural components.

Abstract: Novolak-type resins are prepared by phenolating a toluene-formaldehyde resin of oxygen content 4 - 18% and the product is reacted with hexamine to give a higher softening point of not less than 60.degree. C. The resins may be dissolved in a solvent to form a varnish; such varnishes can impregnate sheet material and laminates of good water resistance and electrical properties can be formed therefrom.

Abstract: Aqueous suspensions of polyolefin fibrids are prepared. To avoid foam formation and improve fiberbonding, small amounts of anionic agents are added to the suspensions. The suspensions are suitable for the manufacture of paper-like or textile-like web structures distinguished by very good fiber bonding and good initial wet strength.

Abstract: A composition comprisingA. 24-70% by weight of an unsaturated crystalline polyester which is the condensation product of fumaric acid and a glycol of the formulaHO--CH.sub.2 --R--CH.sub.2 --OHwherein R is of the formula (CH.sub.2).sub.z wherein z is 1 to 18 or a symmetrical dialkyl derivative of (CH.sub.2).sub.z wherein the alkyl substituents are situated on the same carbon atom or cycloalkylene,B. 20-70% by weight of styrene andC. 1-30% by weight of at least one member selected from the group consisting of a polycarbonate, polyamide, polyvinyl alcohol, polyvinyl alcohol acetal, polyvinylchloride, cellulose ester of at least one organic acid and polyethylene. Said mixture may additionally contain one or more fibrous reinforcing agents and one or more fillers.

Abstract: A thermoplastic composition suitable for extrusion from an extrusion apparatus consists essentially of a resin, from about 1% to about 30% by weight of a finely-divided filler selected from the group consisting of rice hull flour, cherry pit flour, pecan shell flour and walnut shell flour and the filler containing up to about 3.0% by weight of water. Addition of from less than 1% to up to about 5% by weight of lubricant, such as mineral oil permits the use of a finely-divided filler containing up to about 4.0% of water with an unvented extrusion apparatus and up to about 5.0% of water with a vented extrusion apparatus.

Abstract: Improved aqueous slurry type coating colors for coating of paper, paperboard and the like are described in which there is incorporated along with the usual finely divided inorganic pigments, such as clay, an auxiliary pigment consisting of a substantially water-insoluble, cross-linked urea-formaldehyde resin in highly dispersed particulate form. The urea-formaldehyde pigment constitutes from about 2 to 25% and preferably from about 3 to about 15% by weight of the total pigment solids in the coating colors. The BET specific surface area of the particulate urea-formaldehyde pigments ranges from about 40 to about 75 square meters per gram in which instance the average agglomerate size of the pigments ranges from about 2 to about 3.5 microns. In those instances where the BET specific surface area of the urea-formaldehyde pigments ranges from at least 15 to 40 square meters per gram, the average agglomerate size of the pigments ranges from about 2 to about 4 microns.

Abstract: A remoistening adhesive composition based on high amylopectin, low amylose starch includes poly(vinyl methyl ether-maleic acid monoalkyl ester) in a preferred proportion of about 1.5-20% by weight of the composition, thereby providing improved quick tack and shorter bonding times. An adhesive sheet comprises a sheet of paper coated on one side thereof with the composition.

Abstract: A polymeric latex emulsion adhesive for lamination of paperboard is described.

Abstract: Starch graft polymer latexes as well as processes for their preparations are disclosed. The starch graft latexes are water-dispersed grafted starch particles (300-1500 A in size) consisting of either (1) a cationic starch graft polymerized with up to 66% by weight of either nonionic or cationic vinyl monomers alone or with selected combinations thereof or (2) a nonionic starch graft polymerized with a cationic monomer alone or in combination with nonionic monomers. The latexes, having a range of properties, dry at 25.degree. C. or at higher temperatures to clear continuous films.

Abstract: A gelatinized amylaceous material, modified with a nitrogen containing compound such as urea, is combined with a synthetic resin, and the mixture is used as a binder which is particularly useful in producing compression molded particle board.

Abstract: A composition suitable for warp sizing polyester/cotton yarns comprising starch and water soluble polyester resin having (1) a backbone portion comprising the reaction product of polyhydroxy compound and dicarboxylic acid compound wherein from 20 to 75 equivalent percent of the hydroxy groups are provided by a polyoxyethylene glycol having at least 3 oxyethylene units and at least 50 equivalent percent of the dicarboxylic acid compound is provided by an aromatic dicarboxylic acid compound and (2) pendant carboxylic acid moieties comprising a polycarboxylic acid compound having at least 3 acyl moieties which provides from 5 to 30 equivalent percent of the acyl moieties in the polyester.

Abstract: A highly dispersed solid non-porous insoluble and infusible urea-formaldehyde condensation polymer in the form of a fluffy white powder, said product having a specific surface area of more than 10 square meters per gram and an average particle size smaller than 5 microns. The product preferably essentially consists of approximately spherical microparticles having substantially uniform size and shape and shows a tendency to form loosely agglomerated structures. These solids are useful as rubber reinforcing agents and as paper pigmentary fillers.

Abstract: Carrier-bound proteins are prepared by reacting a protein in aqueous solution with a coupling compound having at least one group capable of acylating or alkylating proteins and at least one additional group capable of producing a bond with a carrier material, and reacting the resulting product with a carrier material, optionally forming the carrier material in situ by polymerization of a monomer or monomer mixture in the presence of said product.

Abstract: A uniform blend of about 5-95% by weight vinyl chloride polymer having a tensile modulus of at least about 50,000 p.s.i. and about 95-5% by weight of at least one thermoplastic segmented copolyester .[.polymer.]. containing (1) about 5-90 weight percent long chain ester units derived from at least one long chain glycol having a molecular weight of about 600-6000 and at least one low molecular weight dicarboxylic acid having a molecular weight less than about 300, and (2) about 10-95 weight percent short chain ester units derived from at least one low molecular weight diol having a molecular weight of less than about 250 and at least one low molecular weight dicarboxylic acid having a molecular weight of less than about 300. These blends exhibit excellent abrasion resistance which is maintained even in the presence of a large amount of plasticizer, improved low temperature flexibility, impact resistance and increased scuff resistance.