Abstract: A process is disclosed for making a resin additive for a liquid paint. The process comprises of the steps selecting a thermosettable organic resin, curing the resin to form a cured thermoset resin, and particulizing the cured resin to a size no greater than about 20 .mu.m. The present invention is particularly useful in making environmentally friendly paint formulations.

Abstract: A coated panel formed from a self-supporting cellulosic substrate and a top coating containing a thermoset resin having about 0.1-1.5 wt % free formaldehyde admixed with said resin; and (b) a thermoplastic polymer thoroughly admixed with said resin, wherein said thermoplastic polymer exhibits amine groups capable of reacting with at least some of the free formaldehyde under resin curing conditions. The coated panel can be embossed with decorative patterns such as wood grain without fracture of the coated surface or significant buildup on the press or embossing die surfaces.

Abstract: A molecular composite material includes a liquid crystal polymer such as polyazomethine, a thermoplastic polymer such as a polyamide and a compatibilizing agent such as .epsilon.-caprolactam having at least one functional group showing compatibility and/or reactivity to the liquid crystal polymer and/or the thermoplastic polymer.

Abstract: The present invention provides novel one-step processes for preparing highly branched macromolecule polymers that have highly controlled molecular architectures. The process comprises the reaction of a branching monomer such as a substituted phenyl compound having the formula: ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 are defined herein, with a core monomer and an end-capping monomer, such as a phenolic ester, for a sufficient period of time and at a sufficient temperature to directly produce the highly branched polymer, in a single processing step.

Abstract: A wood processing composition comprising a dimensional stabilizer which penetrates wood and restrains its swelling and shrinkage to prevent cracking and to give it dimensional stability, and a hardening filler composed of synthetic resins which hardens after penetrating wood to prevent the dimensional stabilizer from flowing away from said wood, fills the cavity of the wood to restrain its shrinkage, and protects the wood against decay and damage by termites. It preferably further contains a flame retardant consisting of at least one of a phosphoric acid compound and dicyandiamide, and a water-soluble flame-retardant solution containing urea and a 37% aqueous solution of formaldehyde by weight. Wood is impregnated with the composition by appropriate means and, after drying, it may be impregnated with a surface reinforcing synthetic resin. The wood as processed is free of any unnatural color, is harmless, and retains a durable surface which is characteristic of wood.

Abstract: A treated fibrous polyamide substrate having durable resistance to staining by acid colorants comprising a fibrous polyamide substrate having applied thereto an aqueous solution of a partially sulfonated, partially phosphated resol resin; which aqueous solution may include polymethylmethacrylates or combinations thereof, and that may include a fluorochemical; and the method of treating said substrate, and the resol resins themselves.

Abstract: Thermoplastic powders well adapted for the direct adherent coating of metal substrates, i.e., without requiring an intermediate adherence primer layer, are based on a polyamide and/or a polyetheresteramide, and contain an effective amount of a polycondensate of an aromatic sulfonamide with an aldehyde or dicarboxylic acid.

Abstract: Provided are light-absorbing polymers which contain backbone unsaturations and which are produced by knoevenagel condensation and which are useful for imparting color and/or ultraviolet light screening properties to thermoplastic resins. The polymeric colorants or UV absorbers may be added during the formation of the uncolored thermoplastic polymer or melt or solution blended with other thermoplastic polymers.

Abstract: The present process for producing aromatic polyamide fibers for reinforcement of rubbers lies in that, in the first step, the fibers are dipped in an epoxy treating solution containing aromatic glycidylamines having 2 or more epoxy groups in one molecule and aromatic amines at a specific ratio and dried and cured, and thereafter, in the second step, the fibers are dipped in a treating solution for the second step containing resorcin formaldehyde resins and rubber latices and dried and cured. More preferably, specific chlorophenol compounds are added to the treating solution for the second step.The aromatic polyamide fibers obtained by the process of the present invention provide rubber products excellent in water resistance when they are used for reinforcement of rubbers, and the products have high adhesive strength in initial adhesion and besides, small decrease in adhesive strength even if they are dipped in water for a long time.

Abstract: An engineering polyacetal resin composition comprising 0.05-20 parts by weight of a dispersant (B) and 5-40 parts by weight of a filler (C), and 100 parts by weight of a resin ingredient (A) which comprises 90-50% by weight of a polyacetal resin (a) and 10-50% by weight of a polyamide resin (b) having a melting point of up to 230.degree. C., a maximum particle diameter of 0.03-10 .mu.m and a maximum aspect ratio of up to 2, and is dispersed in a matrix of said polyacetal resin (a).

Abstract: A fiber having a reduced dye rate compared to nylon 6 formed from a block copolymer of 2-30 wt % nylon 6,6 and 70-98 wt % nylon 6 which fiber has a stain resist applied thereto.

Abstract: Compositions containing an aryl phosphite and water to hydrolyze the aryl phosphite provide controlled and extended work time when used as hardening agents for the ambient temperature hardening of phenolic resins and for rapid hardening of such resins at modestly elevated temperatures. Pre-solvolysis with small quantities of water, alkanols of 1 to 4 carbon atoms or alkylene glycols of 2 to 4 carbon atoms improve compatibility of trisubstituted phosphites with the resin. Pre-hydrolysis of the phosphites as well as addition of furfuryl alcohol or alkylene glycols of 2 to 4 carbon atoms accelerate the hardening (curing) of the resin. Various compounds such as: carboxylic acid amides, urea, dicyandiamide, N-methylolated amides, N-alkyl 2-pyrrolidinones having 1 to 4 carbon atoms in the alkyl group, those having an internal epoxide group, alkanols, and Schiff bases retard the ambient temperature hardening of the resin with the aryl phosphite hardening agents.

Abstract: The present invention relates to a polyacetal copolymer comprising a polyoxymethylene group (A) and a vinyl polymer group (B), the copolymer having a structure of the formula (I):A.sub.n --X--B (I)wherein X is a terminal group of B and represents a binding group derived from a compound having at least two carbon atoms and 1 to 4 groups selected from hydroxyl, carboxyl, ester, amino and alkoxy groups, and A.sub.n means that A is present in the quantity of n times in number, and bonds to X, in which n=1 to 4, and the copolymers has a number average molecular weight of 10,000 to 500,000; a process for the production of said copolymer; and a composition comprising said copolymer and a polyvinyl polymer and/or polyoxymethylene.

Abstract: A composite material is comprised of an in situ polymerized rigid rod polymer and an in situ polymerized matrix polymer. The composite material is isotropic and has enhanced mechanical properties as well as improved temperature resistance, improved solvent resistance and improved moisture resistance.

Abstract: Comb-shaped polymers, comprised of hydrophilic backbones and dye-containi hydrophobic side chains are synthesized for use in multilayered, noncentrosymmetric, thin films by means of Langmuir-Blodgett processing techniques. The second harmonic signal generation exhibited by these films increases quadratically with the number of layers of polymeric dye in the film.

Abstract: A paper coating composition which comprises:(I) a pigment,(II) an aqueous binder, and(II) a resinous ingredient comprising (A) a water-soluble resin which is prepared by cross-linking (a) a condensation product of (al) an alkylenediamine or a polyalkylenepolyamine and (a2) an urea compound with (b) a cross-linking compound. This composition imparts excellent ink receptivity, excellent water resistance, and in particular, excellent anti-blister property to paper.

Abstract: A process for producing a resin is disclosed, comprising reacting (a) a polyalkylenepolyamine, (b) an alicyclic dibasic carboxylic acid and/or a reaction product having a free carboxyl group that is obtained by reacting an alicyclic dibasic carboxylic acid with a glycol, (c) a urea, and (d) an aldehyde and/or an alkylating agent. The resulting resin is useful as a wet strength agent to provide a paper coating composition having improved printability and printing effects.

Abstract: The invention provides a nitrogen-containing alkyd resin coating composition comprising a nitrogen-containing alkyd resin prepared by reacting an amine compound containing at least two active hydrogen atoms in the molecule and having or not having one hydroxyl group in the molecule with a polyhydric alcohol and a polybasic acid using or without using a fatty acid, and a crosslinking agent.

Abstract: There are disclosed a polyacetal composition comprising(A) 70-97% by weight of a polyacetal and(B) 30-3% by weight of a transparent polyamide elastomer represented by the general formula ##STR1## in which PA and G represent the groups specified as in the body of the text;said polyamide elastomer exhibiting a relative viscosity of at least 1.5 in m-cresol at 30.degree. C. and at a polymer concentration of 0.5 g/dl anda 1-mm thick sheet of the polyamide elastomer having a haze of not more than 75%, and streched and oriented polyacetal material using it.

Abstract: Provided are novel methine colorants derived from acetaldehyde, 1,3-dihydro-7-methoxycarbonyl-1,1,3-trimethyl-2H-benz[e]indol-2-ylidine and polyester compositions and concentrates having these colorants copolymerized therein. Also provided are novel intermediates useful for making the colorants.

Abstract: A cross-linkable nylon composition and is useful for coated sewing threads. The compositions comprises a nylon terpolymer; from about 1 to 20 percent by weight of a low residual formaldehyde cross-linkable resin, based upon the weight of the terpolymer; from about 0.1 to 10 percent by weight of a catalyst for the cross-linkable resin, based upon the weight therof and a suitable solvent for the terpolymer in an amount sufficient to form at least a 5 percent solution by weight of the terpolymer. Coated sewing threads comprise a sewing thread and from about 0.1 to 20 percent by weight of the cross-linked nylon composition, based upon the weight of the thread.

Abstract: Crystalline N-methoxymethylated nylon is useful to form a coating on a rubber substrate. It is prepared by adding acid to N-methoxymethylated nylon and heat treating the mixture for crystallization.

Abstract: A polyaminobisimide resin composed of an unsaturated bisimide and a diamine which employs 1,3-bis and/or 1,4-bis(2-p-anilinopropylidene) benzene as a diamine component, when cured and used in a laminate, exhibit improved ply separation strength and water absorption.

Abstract: The present invention is for a 180.degree. C. class heat activated magnet wire bondcoat comprising the invention product of(a) ##STR1## (b) R--CHO wherein R is an aliphatic moiety (c) R'--OH wherein R' is an aromatic moietyand the resulting composition has repeating units of the formula ##STR2## Additionally disclosed are methods for making said bondcoat and magnet wire coated with said bondcoat.

Abstract: There is disclosed a novel poly-.beta.-alanine compound comprising monomeric units of the formula (CH.sub.2 CH.sub.2 CONH) and monomeric units of the formula ##STR1## in a specific proportion, having a high degree of polymerization and which is essentially free from metal contamination. The novel poly-.beta.-alanine is produced by polymerizing acrylamide using an alkaline earth metal alcoholate catalyst in an extremely limited amount. The novel compound has a wide variety of uses, and is especially useful as a thermal stabilizer for a polyacetal resin.

Abstract: Thermoplastic compositions and composites are produced which have fewer and smaller voids with more consistent dimensions compared to conventional unreinforced and fiber reinforced thermoplastics. The high modulus thermoplastic contains silicone semi-interpenetrating polymer networks which are formed by vulcanization within the thermoplastic and initiated during melt processing. Parts molded from the compositions are more homogeneous, with evenly distributed voids, thus reducing the possibility of strss fractures. The compositions are particularly useful in the molding in thick cross-section and variable thickness parts and have been found to have increased thermal stability.

Abstract: High modulus thermoplastic compositions and composites are produced which exhibit enhanced melt integrity and strength, allowing the composites to be melt-drawn to smooth surfaced, high tolerance profiles, such as thin-walled tubing, wire, coatings, films, etc. The melt integrity is improved by adding to the thermoplastic prior to or during thermoplastic melt processing a silicone component which will be vulcanized within the thermoplastic to form a silicone semi-interpenetrating polymer network initiated during the melt processing of the thermoplastic. The composition contains about 0.1 to 20, and preferably about 1 to 4 weight percent of the silicone network, and may also contain fibrous reinforcement and/or filler/modifiers.

Abstract: Novel sulfonated polyamide and polyurea materials are described. The polymers are water-soluble or water-dispersible, if not crosslinked. The polymers can be crosslinked with polyvalent cations or crosslinking agents. The polymers have utility as membranes, thickeners, coatings and adhesives.

Abstract: Thermoplastic molding materials contain, as essential components,(A) from 2 to 97.9% by weight of a nylon,(B) from 2 to 97.9% by weight of a polyaryl ether sulfone(C) from 0.1 to 30% by weight of a polymeric component having hydroxyl groupsand in addition(D) from 0 to 50% by weight of a rubber impact modifier and(E) from 0 to 60% by weight of reinforcing fillers.

Abstract: A resinous composition is composed of the ungelled reaction product of(i) a diester of oxalic acid;(ii) a material containing one or more primary and/or secondary amino groups and one or more additional functional groups; and(iii) a material capable of coreacting with (i) or (ii).The resinous composition is useful in formulating intumescent fire protective compositions for fire protection of substrates.

Abstract: The detrimental effects of reinforcing fibers on the differential shrinkage and warpage characteristics of thermoplastic resins are substantially reduced by the incorporation of a silicone interpenetrating polymer network in fiber reinforced thermoplastic composites. High modulus (flexural modulus greater than 90,000 psi) thermoplastic matrices containing about 5 to 60 weight percent reinforcing fibers and 1 to 20 weight percent of a silicone IPN have reduced shrinkage and warpage and more isotropic mold shrinkage than conventional fiber reinforced thermoplastics, and are particularly useful in the melt forming of high tolerance parts, such as gears, as well as thin walled, variable thickness and thick cross section parts.

Abstract: Aromatic polyimides with various functional end-groups such as --CH.dbd.CH.sub.2, --C.tbd.CH, --CN and --CHO are chain-extended (molecular weight increased) by reacting the functional groups with aromatic bis-dipoles. A representative bis-dipole is 1,4-benzene-dinitrile oxide. These polyimides can be shaped and formed prior to chain extending.The aromatic polyimides appropriate for chain-extending are formed by the reaction of aromatic dianhydrides, aromatic amines and monoamines which contain the functional groups.

Abstract: A resinous composition for coating use comprising a resin obtained by the reaction of base resin having as essential groups, both carboxyl groups derived from a polycarboxylic acid whose titration midpoint potential in non-aqueous potentiometric titration is more than -300 mV in a state capable of developing a resinous acid value and a functional group reactive with a crosslinking agent, and an alkyleneimine compound in an amount equivalent to resinous acid value of 0.01 to 50, the resinous acid value based on said polycarboxylic acid in the final composition being 2 to 50.This is useful for the preparation of a coating composition having improved curing property, storage stability and time color stability.

Abstract: A polyacetal copolymer composed of an acetal polymer portion and a thermoplastic elastomer portion having soft segments and hard segments, the second-order transition temperature of said elastomer portion being in the range of -120.degree. to 40.degree. C. A process for producing such a polyacetal copolymer is also described.

Abstract: This invention relates to flame-proved polyamide moulding compositions containing a combination of from 10 to 18%, by weight melamine and from 1 to 7% by weight of a thermoplastic polyacetal, in each case based on the moulding composition.

Abstract: An acetal resin composition comprising(A) an acetal resin,(B) at least one member selected from the group consisting of (1) a polyfunctional cyanic acid ester or its prepolymer, (2) a mixture of a polyfunctional cyanic acid ester or its prepolymer with a polyfunctional maleimide or its prepolymer and (3) a pre-copolymer of a polyfunctional cyanic acid ester and a polyfunctional maleimide,(C) an amine-substituted triazine and/or a cyanoguanidine compound, and(D) an inorganic filler other than glass, and/or an organic filler.

Abstract: A paper coating composition is described, containing a pigment and an aqueous binder as major components, and further containing a thermosetting resin in aqueous solution, obtained by reacting or mixing (Y) a water-soluble resin obtained by reacting urea, polyalkylenepolyamine, and dibasic carboxylic acid and reacting the resulting polyamidopolyurea with formaldehyde, (a) at least one alkylenediamine or polyalkylenepolyamine, and (b) epihalohydrin, or the reaction product between (Y) and (b) with (a).

Abstract: A heat resistant resin produced by reacting (A) a polyamideimide resin with (B) an alcohol component and (C) an acid component with heating is soluble in a cresol type solvent and gives coatings excellent in heat resistance, thermal shock resistance, wear resistance, resistance to hydrolysis, etc., suitable for enamelled wire.

Abstract: Coating compositions capable of liquid application to substrates consist essentially of a curable film forming polyol-containing component and an organic reactive diluent. The reactive diluent is an organic compound containing a primary or secondary hydroxyl group and further characterized by having a retained solids value of greater than about 80 percent, a hydroxyl equivalent weight of from about 180 to about 800, and a liquid viscosity of less than about 10 poise at 60.degree. C. The coating compositions can be formulated to contain little or no volatile organic solvent and/or water.

Abstract: Aromatic polyamide film, having an excellent thermal resistance and a high dielectric breakdown strength, which comprises an aromatic polyamide containing repeating units of the formula----NH--Ar.sub.1 --CO----or----NH--Ar.sub.1 --NHCO--Ar.sub.2 --CO----and cross-linked with a cross-linking compound having at least one radical selected fromR.sup.1 --C(R.sup.2).dbd.C--CH.sub.2 (R.sup.3)--,R.sup.1 --C(R.sup.2).dbd.CR .sup.3 --,R.sup.1 --C(R.sup.2).dbd.C(R.sup.3)--COO--andR.sup.1 --C(R.sup.2).dbd.C(R.sup.3)--CONH--,or another cross-linking cyanuric or isocyanuric acid compound, by means of heat, ultraviolet rays or electron beam.

Abstract: Hydrophilic polyolefin fibers may be prepared, for example, by discharging a heated and pressurized solution of an anionic polyolefin composition containing carboxylic functionality into a zone of reduced temperature and pressure, and then modifying the fibers so produced by treatment with an aqueous admixture of selected cationic and anionic water-soluble, nitrogen-containing polymers. Blends of the hydrophilic fibers with wood pulp provide paper products having improved physical properties.

Abstract: This invention is directed to low molecular weight, solid addition products having a softening point above 100.degree. F. and the method of preparing same and more particularly to the use of said addition products as crosslinking agents in various polymeric powder coatings, e.g. polyesters. The solid, low molecular weight products are derived from the addition reaction of at least one monohydroxy, single-ring aromatic carbon compound and hexakis (alkoxymethyl) amino-triazine.