Abstract: Polysaccharide aldehydes having the formula Sacch--O--CH.sub.2 --CH.dbd.CH--CHO, ##STR1## such as starch, cellulose, and gum aldehydes, are useful for imparting wet, dry, or temporary wet strength to paper. They are prepared by a non-oxidative method which involves reacting the polysaccharide base, in the presence of alkali, with a derivatizing acetal reagent having the general structure ##STR2## and then hydrolyzing the acetal by adjusting the pH to less than 7, preferably 2-4. In the formulas, n is 1-3; R.sup.11 and R.sup.12 are independently an alkyl, aryl, aralkyl, or alkaryl group when n is 1, R.sup.11 or R.sup.12 is one of the groups when n is 2, or R.sup.11 and R.sup.12 are not present when n is 3; R.sup.13 is an alkyl group, optionally containing an ether linkage, or an aralkyl group; R.sup.14 and R.sup.15 are individually a hydrogen or a methyl group; R.sup.16, R.sup.17, and R.sup.

Abstract: An imitation cheese product, which is functionally equivalent to a caseinate-based imitation cheese product, contains pregelatinized modified high amylose starches, preferably converted and/or derivatized, as a partial or total replacement for the caseinate present in the cheese. Suitable converted starches include fluidity starches prepared by acid- or enzyme-conversion, oxidized starch prepared by treatment with less than 5% active chlorine, and dextrins having a calcium chloride water fluidity of less than about 50. Suitable derivatives are prepared by treatment with up to 25% propylene oxide, 5% succinic anhydride, and 10% octenylsuccinic anhydride or with a sufficient amount of acetic anhydride or sodium or potassium ortho or tripolyphosphate to provide a maximum of 6% bound acetyl or 0.8% bound phosphate. Mixtures of modified or unmodified high amylose starches with up to 80% by weight of other starches (0-40% amylose) are also suitable.

Abstract: A room temperature setting adhesive composition capable of giving high initial bond strength as well as cured bonds having good resistance to water and boiling contains, as main components thereof, (A) an emulsion containing an acetoacetylated polyvinyl alcohol and a vinyl acetate copolymer produced by copolymerizing an acetoacetylated, ethylenically unsaturated monomer and another ethylenically unsaturated monomer and (B) a resorcinol resin precondensate and, as a curing agent, (C) hexamethylenetetramine.

Abstract: Polysaccharide aldehydes having the general structure ##STR1## such as starch, cellulose and gum aldehydes, are useful for imparting wet, dry, or temporary wet strength to paper. They are prepared by a non-oxidative method which involves reacting the polysaccharide base, in the presence of alkali, with a derivatizing acetal reagent having the general structure ##STR2## and then hydrolyzing the acetal by adjusting the pH to less than 7, preferably 2-4. R is (CH.sub.2).sub.n or a divalent aromatic group and n is 0 or greater; R.sup.1, R.sup.6, and R.sup.7 are hydrogen or an organic group; R.sup.2, R.sup.5, and R.sup.8 are (CH.sub.2).sub.m with m being 1-6; R.sup.3 and R.sup.4 are hydrogen or a lower alkyl; Y is an anion; Z is an organic group capable of reacting with the polysaccharide base to form an ether derivative and selected from the group consisting of an epoxide, ethylenically unsaturated group, halohydrin, and halogen; R.sup.

Abstract: Derivatized polymers containing glycoside side chains linked to the polymer by ether, sulfide, or amine linkages are prepared by reacting a polymer containing alcohol, thiol, and/or amine groups with a glycidyl glycoside having the formula ##STR1## where (SAC).sub.n represents a saccharide residue with n being 1-20. Typical polymers include poly(vinyl) alcohol, poly(ethyleneimine), poly(dimethylaminopropyl methacrylamide), and proteins such as caseinate or gluten. Typical glycosides are glycoside of glucose and maltodextrin-10.

Abstract: A process for simultaneously atomizing, cooking, and drying a mixture of starch and water in the exhaust gas stream from a sonic pulse jet combustion engine is described. The process consists of preparing a mixture of a granular starch with water (preferably a starch cake), feeding the mixture into the exhaust pipe of the jet combustion engine, maintaining the resulting mixture of atomized starch, water, and hot gas in the exhaust pipe for a time sufficient to gelatinize and substantially dry the atomized starch, and recovering the pregelatinized starch powder by exhausting the mixture into a collection chamber supplied with a flow of air.

Abstract: Novel aldehyde-containing synthetic heteropolysaccharides are provided by enzymatically oxidizing hydroxypropyl galactoglycoside starch ethers or novel ethyl galactoglycoside starch ethers with galactose oxidase.

Abstract: Novel polymerizable imidazolidinone monomers, useful in the preparation of self-crosslinking polymers, have the general structure ##STR1## wherein R.sup.1 is H or a C.sub.1 -C.sub.6 linear or branched alkyl or hydroxyalkyl group; X is a divalent radical selected from the group consisting of --(CH.sub.2).sub.m --, ##STR2## with R being H or CH.sub.3, m being 0-5, and n being 1-5; R.sup.2 is H or CH.sub.3 ; R.sup.3 is H or ##STR3## with R' as defined above; and R.sup.4 and R.sup.5 are independently H or linear or branched C.sub.1 -C.sub.4 alkyl groups. In a preferred embodiment, aqueous emulsions of the imidazolidinone-containing polymers (e.g. 45-60% vinyl acetate, 34-52% butyl acrylate, and 3-6% imidazolidinone) and an acid-curing catalyst (e.g. ZnCl.sub.2) are used as formaldehyde-free binders for nonwoven textiles.

Abstract: An imitation cheese product which is functionally equivalent to a caseinate-based imitation cheese product, contains pregelatinized modified high amylose starches, preferably converted and/or derivatized, as partial or total replacement for the caseinate present in the cheese. Suitable converted starches include fluidity starches prepared by acid- or enzyme-conversion, oxidized starch prepared by treatment with less than 5% active chlorine, and dextrins having a calcium chloride water fluidity of less than about 50. Suitable derivatives are prepared by treatment with up to 25% propylene oxide, 5% succinic anhydride, and 10% octenylsuccinic anhydride or with a sufficient amount of acetic anhydride or sodium or potassium ortho or tripolyphosphate to provide a maximum of 6% bound acetyl or 0.8% bound phosphate. Mixtures of modified or unmodified high amylose starches with up to 80% by weight of other starches (0-40% amylose) are also suitable.

Abstract: Novel polymerizable imidazolidinone monomers, useful in the preparation of self-crosslinking polymers, have the general structure ##STR1## wherein R.sup.1 is H or a C.sub.1 -C.sub.6 linear or branched alkyl or hydroxyalkyl group; X is a divalent radical selected from the group consisting of ##STR2## with R being H or CH.sub.3, m being 0-5, and n being 1-5; R.sup.2 is H or CH.sub.3 ; R.sup.3 is H or ##STR3## with R' as defined above; and R.sup.4 and R.sup.5 are independently H or linear or branched C.sub.1 -C.sub.4 alkyl groups. In a preferred embodiment, aqueous emulsions of the imidazolidinone-containing polymers (e.g. 45-60% vinyl acetate, 34-52% butyl acrylate, and 3-6% imidazolidinone) and an acid-curing catalyst (e.g. ZnCl.sub.2) are used as formaldehyde-free binders for nonwoven textiles.

Abstract: Novel polymerizable imidazolidinone monomers, useful in the preparation of self-crosslinking polymers, have the general structure ##STR1## wherein R.sup.1 is H or a C.sub.1 -C.sub.6 linear or branched alkyl or hydroxyalkyl group; X is a divalent radical selected from the group consisting of ##STR2## with R being H or CH.sub.3, m being 0-5, and n being 1-5; R.sup.2 is H or CH.sub.3 ; R.sup.3 is H or ##STR3## with R' as defined above; and R.sup.4 and R.sup.5 are independently H or linear or branched C.sub.1 -C.sub.4 alkyl groups. In a preferred embodiment, aqueous emulsions of the imidazolidinone-containing polymers (e.g. 45-60% vinyl acetate, 34-52% butyl acrylate, and 3-6% imidazolidinone) and an acid-curing catalyst (e.g. ZnCl.sub.2) are used as formaldehyde-free binders for nonwoven textiles.

Abstract: A compressible starch, useful as a binder for tablets prepared by direct compression or dry granulation or as a binder-diluent for capsules, is prepared by treating a cold-water-insoluble, granular starch (e.g., corn or waxy corn starch) with an acid, and/or alpha-amylase enzyme at a temperature below the starch's gelatinization temperature. The treated starch is characterized by altered, weakened granules with a less dense interior and disrupted surface. The compressible starch when admixed with a wet granulation binder (e.g., pregelatinized starch) is useful as a binder for tablets prepared by wet granulation as well as direct compression or dry granulation or as a binder-diluent for capsules.

Abstract: Shelf-stable, one-package aqueous latices, which are curable with or without the application of heat, consist essentially of an alkaline-curable, self-crosslinking emulsion polymer, selected organic metal salts, and water. The alkali, alkaline earth, or heavy metal salts of C.sub.1 -C.sub.6 organic acids (e.g., sodium acetate) are post-added to th polymer emulsion or present during the polymerization. The polymer typically comprises about 90-99.9% by weight of one or more vinyl polymerizable monomers (e.g., acrylates, vinyl esters, and ethylene) and 0.1-10% by weight of a polymerizable non-ionic or cationic self-crosslinking monomer containing halohydrin groups (e.g., 3-chloro-2-hydroxypropyl (meth)acrylate or the reaction product of epichlorohydrin and N,N-dimethylaminopropyl methacrylamide or methacrylate).

Abstract: Sulfosuccinate polygalactomannan half-esters, as well as the alkyl- and alkenyl-sulfosuccinates thereof, are prepared by reacting the gum with sulfosuccinic anhydride or a C.sub.1 -C.sub.22 -alkyl- or C.sub.3 -C.sub.22 -alkenyl sulfosuccinic anhydride. The reactions are carried out at about pH 7.5 in a two-phase system of solid gum slurried in an aqueous medium containing a water-miscible solvent. Sulfomaleate half-esters are prepared in a similar manner using sulfomaleic anhydride. Disulfosuccinate half-esters are prepared by reacting the sulfomaleate gum half-ester with sulfurous acid or a bisulfite salt such as sodium bisulfite.

Abstract: Metal-filled polyimide/polyepoxide blends, characterized by their improved electrical conductivity after curing over blends containing no polyepoxide, comprise carbinol-containing polyimides, conventional liquid polyepoxides, a solvent for the polyimide, noble metal powders (preferably silver), and optionally an amine catalytic curing agent. Conductivity improvements of 100-1000 fold or more are observed.

Abstract: In a one-step process for preparing fiberboard, an aqueous treating composition comprising about 3-20%, preferably 5-15%, by weight of an acrylic or vinyl acetate emulsion or solution polymer and about 0.05 to 3.0% by weight of a fluid, water-soluble organosilicone copolymer of dimethylpolysiloxane-polyalkylene ether is applied to the fiber panel prior to final compression. The treating composition acts both as a platen release agent during compression and a tempering agent for imparting water-resistance.

Abstract: Converted starches, which with water form gels having a neutral taste and perferably a creamy, smooth consistency, are suitable as fat-and/or oil-replacements in various foodstuffs, especially high fat-and/or oil-containing foodstuffs such as ice cream and mayonnaise.The starches (e.g., tapioca, corn, or potato) have a DE of less than 5 and their aqueous dispersions have a hot flow viscosity of at least about 10 sec. at 10-50% solids, and they are capable of forming gels having a strength of at least about 25 g. within 24 hrs. and 4.degree. C. at 10-50% solids. The preferred starches are tapioca dextrins having a DE of about 2 or less and hot flow viscosity and gel strength of about 20-100 sec. and 65-930 g. at 25-35% solids. Acid- and enzyme-converted starches are also suitable.

Abstract: Novel polyimides, optionally end-capped with polymerizable or inert groups, and the polyamic acid or ester intermediates thereof are prepared by reacting a tetracarboxylic acid compound (e.g. pyromellitic dianhydride or 3,3',4,4'-benzophenone tetracarboxylic acid dianhydride or its methyl diester) with diamines having the general formula ##STR1## wherein Z is oxygen or sulfur, X and/or Y are carbonyl or carbinol groups, the amine groups may be in the 2-, 3-, and/or 4-position, and isomerism is present when X and/or Y is a carbinol group. The polyimides may be end-capped by reaction, during or after their formation, with polymerizable groups such as 3-aminophenyl acetylene or 3,6-endomethylene-1,2,3,6-tetrahydrophthalic anhydride. The diamines are novel classes of amines when Z is sulfur and X and/or Y are carbonyl or carbinol groups and when Z is oxygen and X, Y, or X and Y are carbinol groups.

Abstract: An imitation cheese product, which is functionally equivalent to a caseinate-based imitation cheese product, contains selected edible modified starches as replacements for up to 80% by weight of the caseinate present in the cheese product. Suitable starches include pregelatinized converted starches having a water fluidity (WF) of about 5-90 and an amylose content of at least about 15% to below 40% and selected derivatives and/or crosslinked products thereof. Suitable converted starches include fluidity starches prepared by acid- or enzyme-conversion or oxidized starches prepared by treatment with up to about 2% active chlorine. The starches may be pregelatinized by drum-drying and jet-cooking, or jet-cooking and spray drying.

Abstract: High solids, low viscosity, alkaline-curable, thermosetting cationic vinyl ester based polymer latices, characterized by the high molecular weight of the polymer therein, are prepared by polymerizing at least 5% of selected vinyl esters (up to C.sub.6), 0.5-10% of a self-crosslinking cationic quaternary ammonium monomer, and optionally a vinyl polymerizable monomer such as butyl acrylate, ethylene, acrylamide, diallyl maleate, and/or 2-hydroxyethyl acrylate. The polymerization is carried out in the presence of water, a watersoluble cationic azo initiator, a water-soluble amino thiol salt chain transfer agent, and a cationic and/or nonionic surfactant. The latices are useful as formaldehyde-free binders for polyester nonwovens.