Abstract: Disclosed is a binder insolubilizer for use in binder-containing paper coating compositions, the insolubilizer consisting essentially of an aqueous formulation containing at least about 15 weight percent of titratable glyoxal and at least one polyhydroxy compound.

Abstract: The instant invention involves a process for forming a low formaldehyde, essentially color-free coating composition by applying the composition preferably to a wood substrate and curing. The composition comprises a blend of a polyhydroxy-containing polymer, an hexaalkoxymethylolmelamine, a polyacetal having the formula: ##STR1## wherein R is C.sub.1 -C.sub.3 and A is C.sub.1 -C.sub.20 allyl or aryl and an acid catalyst. The coating compositions of the instant invention exhibit extremely low color and give off a significantly reduced amount of formaldehyde when cured in comparison to conventional prior art, acid catalyzed melamine/formaldehyde cured coatings.

Abstract: A melt blend of a polyacetal, an ethylene-vinyl alcohol copolymer, and a fibrillatable fluoropolymer resin. The blends are blow moldable.

Abstract: Hybrid curable compositions comprising components curable by condensation, and components curable by free-radical initiated polymerization, cure being catalyzed by a metal sulfonate. The components curable by condensation comprise amino resins and co-reactants. The components curable by free radical initiated polymerization comprise acryloyl compounds and allylic or vinylenearylenemethylidyne compounds.

Abstract: Hybrid curable compositions comprising components curable by condensation and components curable by free radical initiated polymerization. The components curable by condensation reaction comprise amino resins and co-reactants, the condensation reaction being optionally catalyzed by acid catalysts. The components curable by free radical initiated polymerization comprise acryloyl compounds and allylic or vinylenearylenemethylidyne compounds.

Abstract: A molecularly miscible polymer blend of polyvinyl phenol and polyacetal exhibits useful properties.

Abstract: A compatible polymer blend containing a polyacetal, a hydroxylated polyacetal, polypropylene, and an acid-grafted polyolefine such as a muconic acid-polypropylene graft copolymer. The polyacetal is preferably a polyoxymethylene polymer such as Celcon.RTM.. The preferred hydroxylated polyacetal is one having a structure very similar to the polyacetal. The invention also includes a process for forming a compatible blend containing polypropylene and polyacetal by melt mixing polypropylene and polyacetal with an acid grafted polyolefin and hydroxylated polyacetal.

Abstract: A novel thermoplastic resin composition is here provided which contains(I) 100 parts by weight of a polyoxymethylene resin alone or a mixture of the polyoxymethylene resin and a polycarbonate resin, with(II) 0.1 to 100 parts by weight of a multi-phase structure thermoplastic resin which is composed of 5 to 95% by weight of an epoxy group-containing olefin copolymer and 95 to 5% by weight of a vinyl polymer or copolymer obtained from at least one kind of vinyl monomer, either of both the components being in the state of a dispersion phase having a particle diameter of 0.001 to 10 .mu.m.Furthermore, a novel method for preparing the above-mentioned thermoplastic resin composition is also provided here.

Abstract: A curable polyester composition having improved properties is described, and the curable polyester composition comprises:(A) at least one unsaturated polyester resin;(B) at least one hydrocarbon monomer copolymerizable with the polyester; and(C) at least one aryl sulfonamide-aldehyde resin.When the curable polyester composition is to be used as a plastic body filler, the curable polyester composition generally will be modified to include (D) at least one inorganic filler which may comprise a mixture of an inorganic powder and inorganic hollow microspheres.The curable polyester resin compositions of the invention are useful as plastic body fillers for repairing metal surfaces, and the curable compositions have been found to be particularly useful and advantageous as plastic body fillers for galvanized steel.

Abstract: The present invention relates to compositions comprising at least one elastomer and at least one plastic. The composition can be produced by preparing the elastomer and then blending it with the plastic. The composition can be subjected to an additional step of curing.

Abstract: Incorporation into polyacetal molding compositions of 0.05-3 weight percent of certain non-meltable polymers containing formaldehyde reactive hydroxyl groups, formaldehyde reactive nitrogen groups, or formaldehyde reactive hydroxyl and formaldehyde reactive nitrogen groups, wherein the polymer has an average particle size, both prior to melt processing with the polyacetal and after melt processing with the polyacetal, of less than 10 microns, results in improved thermal stability of such compositions.

Abstract: New process for manufacturing urea/formaldehyde resins.New process, according to which a urea/formaldehyde precondensate containing monomethylolacrylamidomethyleneurea is added to the urea/formaldehyde resins.Applications for the gluing of wood, in aminoplastic resins.

Abstract: Precondensates of urea and formaldehyde containing monomethylolacrylamidomethyleneurea are produced from pure acrylamidomethyleneurea and urea/formaldehyde precondensate or from the starting substances used for the manufacture of acrylamidomethyleneurea with formaldehyde. They are useful additives for aminoplastic resins, which in turn may be used as glue in the manufacture of chipboard sheets.

Abstract: Cationic polymerization of trioxane and a mixture of ester derivatives of .alpha.,.alpha.- and .alpha.,.beta.-isomers of glycerol formal yields acetal terpolymers having pendant functional groups (i.e., ester groups, or hydroxyl groups obtained by hydrolyzing ester groups, pendent from the polymer's backbone). The glycerol formal monomers employed in this invention may include functional groups selected from ester moieties which are protected from, and thus survive, the polymerization process with trioxane. These groups may then be present as functional reactive sites for the subsequent synthesis of block polymers and/or to chemically bind modifiers to the acetal terpolymer backbone, for example.

Abstract: Polybend interdispersions of two or more different polymers formed at least partially in the presence of an interdispersing aid which can be polytetrafluoroethylene or ultra high molecular weight polyethylene; said blend can be chemically cross-linked with peroxides.

Abstract: Lubricant systems are provided in which a polyolefin or polyolefin/polytetrafluoroethylene blend functions as a lubricant in a polymer matrix material. The resulting polymer composites containing about 1 to 30 weight percent of the novel lubricant or lubricant blend have greatly improved friction and wear properties, including lower coefficients of friction and increased surface wear resistence. The polyolefin does not remain as discrete, identifiable particles after mixing with the polymer matrix, and has an average molecular weight of less than 500,000.

Abstract: A radiation sensitive compound and method for making same. The compound has the general formula: ##STR1## wherein, R.sup.1 and R.sup.2, which may be the same or different, each represents lower alkyl, aryl, X, CHX.sub.2, CH.sub.2 X, CX.sub.3 or NHR.sup.3 wherein R.sup.3 represents hydrogen, lower alkyl, aryl or ##STR2## and provided at least one of R.sup.1 and R.sup.2 is CX.sub.3, X is halogen, and A.sup.1 and A.sup.2 are each residues of A.sup.1 --H and A.sup.2 --H respectively wherein A.sup.1 --H and A.sup.2 --H which may be the same or different are each compounds containing at least one group having an active hydrogen atom. The method comprises reacting together an isocyanate of the formula ##STR3## with a compound of the formula A.sup.1 --H or A.sup.2 --H to obtain the desired compound wherein R.sup.1 or R.sup.4 represents lower alkyl, aryl, X, CHX.sub.2, CX.sub.3, NCO or NHR.sup.5 wherein R.sup.5 represents hydrogen, lower alkyl or aryl and at least one of R.sup.1 and R.sup.4 is CX.sub.3.

Abstract: A process for preparing crosslinked poly .beta.-alanine in the form of microspheres comprises (a) polymerizing acrylamide in a tert. butanol/toluene solvent mixture in the presence of a polymerization initiator and an octadecene-maleic anhydride copolymer as a suspension agent; (b) submitting the resulting suspension of poly .beta.-alanine to a crosslinking reaction using a dialdehyde as the crosslinking agent; and (c) isolating the crosslinked poly .beta.-alanine microspheres. These microspheres exhibit a low size dispersity.

Abstract: Urea-aldehyde polycondensates usable as surface coating binders are obtainable by step-wise reaction of(a) urea and/or urea derivatives with acidic CH aldehydes in a molar ratio of urea:aldehyde of 1:2 in the presence of acids and at from 60.degree. to 120.degree. C. with(b) a mixture of 3 moles of formaldehyde per mole or urea and 3 moles of an acidic CH aldehyde per mole of urea at from 60.degree. to 120.degree. C. with subsequent removal of the water of reaction and treatment of the reaction mixture with an alkali metal alcoholate at from 80.degree. to 100.degree. C.

Abstract: Improved processes for the removal from solution of multi-valent alkaline earth metal and/or heavy metal cations are taught, having excellent combinations of cation capacity and resistance to bead breakage. The processes use specified polymer resin beads functionalized with chelating functionalities such as alkylaminophosphonic moieties or iminodiacetic acid moieties. The beads are prepared by the specified process to have a decreased amount of cross-linking in the shell area as compared to the core. An additional aspect of the invention is an improved gel-type chelating resin having core/shell morphology and alkylaminophosphonic functional groups which is found to exhibit surprising combinations of dynamic capacity, osmotic shock resistance, and physical strength. This chelating resin has been found to be very suitable for the removal of calcium from brine solutions prior to the use of such solutions in membrane electrolysis cells of chlorine production.

Abstract: Resin bearing material consists essentially of at least one thermoplastic resin material selected from the group consisting of polyacetal, polyamide, polycarbonate, polyphenylene sulfide, polyethylene terephthalate, and ultra-high molecular weight polyethylene, and of aromatic group, polyamide fiber, and is produced by the steps comprising kneading fand extruding said at least one thermoplastic resin material and the cutting the extruded material.The sliding characteristics are superior to the conventional oleo-bearing materials containing the carbon fiber, and glass fiber.

Abstract: A polyacetal resin composition comprising a polyacetal, a polyolefin, and carbon black dispersed in a special morphology, which is excellent in thermal conductivity, sliding property, moldability, and molding appearance. The composition provides a sliding part for electrical equipments, e.g., gears, bearings, cams, etc., which has excellent sliding properties, makes low noise, and exhitits high abrasion resistance.

Abstract: An extrudable composition comprising thermoplastic hydrocarbon polymer, poly(oxyalkylene) polymer and fluorocarbon polymer. The poly(oxyalkylene) polymer and the fluorocarbon polymer are present in the composition in such relative proportions and concentrations as to reduce the occurrence of melt defects during the extrusion of said hydrocarbon polymer composition.

Abstract: Unsaturated hydrocarbon polymers are hydrogenated in the presence of a catalyst obtained by combining a Group VIII-A metal alkoxide or carboxylate and an alkyl or hydride of a metal selected from Groups I-A, II-A and III-B and then functionalized by contacting the hydrogenated polymer with a functionalizing agent before the hydrogenation catalyst is quenched or otherwise deactivated. The hydrogenation is, generally, accomplished at relatively mild conditions to avoid degradation of the polymer and, in the case of unsaturated copolymers comprising aromatic unsaturation, to avoid any significant hydrogenation of the aromatic unsaturation. Generally, the hydrogen partial pressure employed will be below about 1000 psig and the hydrogenation temperature will be below about 125.degree. C.

Abstract: Water-dilutable paint binders based on acrylates for cathodically depositable paints particularly suited for the formulation of decorative single coats or pale primers are described. The binders are partial condensation products of from 60% to 90% by weight of a hydroxy and amino group containing acrylic copolymer, the basic groups of which were obtained through reaction of glycidyl groups with secondary amines, with 10% to 40% by weight of an oliogomeric or polymeric compound carrying CH-active ester groups, preferably malonic acid ester groups, capable of transesterification or transamidation. The paint films afford particularly good yellowing resistance, detergent resistance, and abrasion resistance.

Abstract: Hybrid star polymers with functional acrylic arms and crosslinked cores.

Abstract: A composition comprising:(a) at least one copolymer having at least one of M.sub.w /M.sub.n less than 2 and M.sub.z /M.sub.w less than 1.8; and(b) at least one plastic composition.The composition can be produced by preparing the elastomer and then blending it with the plastic. The composition can be subjected to an additional step of curing.

Abstract: A coating binder additive is prepared comprising a blocked glyoxal resin mixed with a vinyl or acrylic water soluble polymer which is reactive with free glyoxal.

Abstract: The present invention relates to a rubber-like polybutadiene or a rubber-like butadiene-styrene copolymer suited for use in tire treads which are obtained by polymerization of the monomer(s) in the presence of an organolithium catalyst, followed by reacting a carbodiimide with the reactant product thereof so as to subject it to reaction at its living point, and if necessary, further reacting the product thus obtained with a trifunctional or higher-order coupling agent. The invention further relates to a process for the production thereof, and a rubber composition containing more than a definite amount of said polymer.

Abstract: Incorporation of 0.1-10 weight percent of certain polymers and/or oligomers containing both hydroxy groups and at least one other functional group that is a stronger Lewis base than the hydroxy groups into polyacetal molding compositions results in improved thermal stability of such compositions.

Abstract: The present invention relates to an impact resistant polymeric composition comprising a polyester and a thermally stable modified selectively hydrogenated high 1,2 content block copolymer wherein at least one graftable functional molecule is grafted to the block copolymer in the vinylarene block.

Abstract: There is disclosed a process for the racemization of amino acids and derivatives thereof. The racemization process of the present invention uses an aromatic aldehyde-containing polymer made from the reaction of a hydroxyaromatic aldehyde with a chloromethylated vinylbenzene polymer under reaction conditions to form an aromatic aldehyde-containing polymer wherein the aldehydic moiety is linked to the polymer through an ether linkage. There is also disclosed a process for the production of the racemization catalyst. Another embodiment of the invention comprises a process for the promotion of the racemization reaction wherein a tertiary amine-containing resin is used as a promoting agent.

Abstract: A pharmaceutically or veterinarily acceptable amphipathic, non-cross linked linear, branched or graft block copolymer, which has a minimum weight average molecular-weight of 1000, in which the hydrophobic component is biodegradable or hydrolytically unstable under normal physiological conditions, and the hydrophilic component may or may not be biodegradable or hydrolytically unstable under such conditions, and which copolymer is self-dispersible in water; together with mixtures of such a copolymer and a drug, which may be water-soluble of water-insoluble, which mixtures are self-dispersible in water; and processes for the manufacture of such copolymers and such mixtures.

Abstract: A water insoluble crosslinked poly .beta.-alanine is prepared by crosslinking poly .beta.-alanine with a crosslinking agent selected from the group consisting of formaldehyde and a dialdehyde or by irradiation of said poly .beta.-alanine with Co.sup.60.

Abstract: The invention relates to polyoxymethylene molding composition exhibiting improved toughness and containing from about 50 to about 95 wt. % of a polyoxymethylene, from about 5 to about 40 wt. % of a multiphase composite interpolymer and from about 0.05 to about 5.0 wt. % of a reactive titanate, such as neoalkoxy, tri(n-ethylaminoethylamino) titanate, based on the total weight of the composition and based on 100% reactivity of the reactive titanate.

Abstract: A writable adhesive tape is disclosed, which comprises a polyolefine substrate, having on one side an adhesive layer and on the opposite side a writable anti-adhesive layer. The writable anti-adhesive layer comprises 25% to 55% by weight of a chlorinated polyolefine, 20% to 50% by weight of a polyaldehyde resin together with 5% to 20% by weight of an anti-adhesive agent, and 5% to 25% by weight of a matting charge.

Abstract: A soil release composition comprising:(A) a polymer comprising 10 to 100% by weight of constituting units of the formula: ##STR1## wherein R.sub.f is a C.sub.3 --C.sub.21 fluoroalkyl group; R.sup.1 is a hydrogen atom or a C.sub.2 --C.sub.4 acyl group; R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are, the same or different, each a hydrogen atom, a methyl group or an ethyl group; A is a group of the formula: --CH.sub.2 CH(OR.sup.1)CH.sub.2 --OCO-- which R.sup.1 is the same as defined in the above, --CO--, --(CH.sub.2).sub.k N(R.sup.2)CO-- in which R.sup.2 is the same as defined in the above and k is an integer of 1 to 10, or --(CH.sub.2).sub.

Abstract: A coating binder additive is prepared comprising a blocked glyoxal resin mixed with a vinyl or acrylic water soluble polymer which is reactive with free glyoxal.

Abstract: Poly(alloocimene) is functionalized by reaction with an electrophile to obtain polymers useful as a film-former in a coating composition.

Abstract: Moulding compounds consisting of a mixture of (A) from 99.99 to 60 parts, by weight, of a polyoxymethylene; (B) from 0 to 40 parts, by weight, of an elastomer having a softening temperature below the crystallite melting point of polyoxymethylene (A) and a freezing point below 0.degree. C.; and (C) from 0.01 to 40 parts, by weight, of an aliphatic, rubber-like, high molecular weight adipate-carbonate mixed ester.

Abstract: A thermoplastic resin composition comprising a melt mixed product of (A) 70% to 98% by weight of at least one thermoplastic resin selected from the group consisting of polyamides, polyacetals, polyesters, and polycarbonates and (B) 30% to 2% by weight of ultra-high molecular weight polyolefin powder having an intrinsic viscosity [.eta.] of 10 dl/g or more, measured in decalin at 135.degree. C., and having an average particle size of 80 .mu.m or less and having a particle size distribution such that substantially all of the powder particles pass through a sieve having a sieve number of 100 and at least 20% by weight of the total powder particles pass through a sieve having a sieve number of 350.This thermoplastic resin composition has excellent abrasion resistance, excellent impact resistance, and a high critical PV value.

Abstract: A polymer in the form of particles is water-insoluble and water-sellable, containing carboxyl or carboxylate groups. It has a physiological saline absorption quantity of 40 to 90 grams per one gram of the polymer, a physiological saline absorption rate of at least 8 ml per 0.3 gram of the polymer, a gel strength of 33 to 200 g/cm2 when it has been swollen to saturation with ion-exchange water. It is useful as an absorbent in a sanitary article.

Abstract: Novel elastomer/oxymethylene polymer blends are disclosed whose impact strength or resistance has been enhanced, with no appreciable diminution in their outer useful properties, by the inclusion therein of a novel elastomer/oxymethylene graft copolymer compatibilizing agent prepared by grafting polyformaldehyde or oxymethylene copolymer chains onto a halogenated elastomeric polymer by means of a reaction initiated at graft sites, i.e., at the sites of the haloelastomer's halo substituents, using, e.g., an initiated site-forming cationic salt.

Abstract: A cationic, water-soluble acrylamide polymer containing an acrylamide, a cationic comonomer and, optionally, a second comonomer and having sufficient glyoxal-reactive amide substituents and --CH.sub.O HCHO substituents to be thermosetting, the polymer, before glyoxylation, having a molecular weight ranging from about 500 to about 6000, a process for imparting temporary wet strength to paper and the paper per se, are disclosed.

Abstract: A small-globular crosslinked polymer of monoallylamine swellable but insoluble in water can be obtained by crosslinking a part of the amino groups of a monoallylamine polymer with formaldehyde or a compound having, in its molecule, at least two functional groups reactive with primary amino group.

Abstract: Fibers prepared by spinning, drawing and drying dilute solutions of ultrahigh molecular weight polyethylene or polypropylene are modified by including in the dilute solution a polymeric additive. The polyethylene fibers so prepared have melting points above 140.degree. C. and exhibit improved adherence to matrices, resistance to fibrillation and other advantageous properties. Additives include lower molecular weight polyolefins, oxidized polyolefins, olefin copolymers, polyolefin graft copolymers and polyoxymethylenes.

Abstract: A process for the preparation of an oil-soluble, star-shaped product having viscosity index-improving and dispersant properties, comprising modifying a hydrogenated star-shaped polymer wherein said arms are hydrogenated homopolymers and copolymers of conjugated dienes and mono-alkenyl arenes, and wherein the hydrogenated polymer is metallated with an organolithium compound in the presence of a metallation promoter, and subsequently reacted with a vinyl pyridine or a carbonyl group containing organic compound.

Abstract: Water-absorbent resins having improved water-absorbency, water-absorption rate and water-dispersibility can be produced by crosslinking a water-absorbent resin comprising a carboxylate as a constituent of the resin with a crosslinking agent having at least two functional groups in the presence of water in a proportion of 0.01 to 1.3 parts by weight per part by weight of the resin in an inert solvent.

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: Pharmaceutical compositions comprising a pharmacologically active polypeptide and a pharmacologically or veterinarily acceptable amphipathic, non-cross-linked linear, branched or graft block copolymer, which has a minimum weight average molecular weight of 5,000, in which the hydrophobic component is biodegradable and the hydrophilic component may or may not be biodegradable, the composition being capable of absorbing water to form a hydrogel when placed in an aqueous, physiological-type environment; copolymers suitable for use in said compositions; and method for the manufacture of such copolymers.