Abstract: An elastomeric article having a rubber component comprising polyisoprene and an aldehyde aniline condensate, the elastomeric article having less than 1 ppm diisopropyl xanthogen polysulfide residue.

Abstract: A method for forming chrome-free retanned leather including: (a) contacting wet white (chrome-free tanned hide) with a retanning mixture comprising from 2% to 15%, by solids weight, based on the wet weight of the wet white, of an amphoteric polymer composition comprising amine functional units and acid functional units; and (b) applying a polymeric overcoat containing an acrylic copolymer with one or more metal transition elements, with a thickness of no greater than 100 microns, to the retanned wet white, is provided. The present invention also provides a chrome-free retanned leather formed by the method.

Abstract: An elastomeric article having a rubber component comprising polyisoprene and an aldehyde aniline condensate, the elastomeric article having less than 1 ppm diisopropyl xanthogen polysulfide residue.

Abstract: This invention relates generally to vulcanization compounds and relates more specifically to vulcanization compositions with reduced allergenic potential that include accelerator compositions for vulcanizing elastomeric articles. Vulcanization compositions are disclosed that include a single fugitive dihydrocarbyl xanthogen polysulfide accelerator and a single aldehyde-aniline condensate accelerator.

Abstract: A substrate having a flame retardant polymer chemically bonded to at least a portion of the substrate. The use of a substrate possessing at least a partially coated outer surface of a flame retardant polymer enables the manufacturing of polymer composites, containing the coated substrate, that possess very effective flame retardant performance while reducing the loading levels over conventional flame retardant additives.

Abstract: An adsorptive carrier includes one or more high-molecular-weight compounds each of which includes two or more aromatic ring-containing repeating units, the aromatic rings being covalently bound to each other via a structure represented by Formula (I): wherein R1 represents hydrogen or an organic group, and R2 represents an organic group.

Abstract: The invention relates to a rubber composition comprising a rubber and a processing additive wherein the processing additive is a functional reactive diluent having at least one functional group in the molecule which is not an olefinic unsaturation, to a process of compounding such rubber compositions, and to the use thereof.

Abstract: An adsorptive carrier includes one or more high-molecular-weight compounds each of which includes two or more aromatic ring-containing repeating units, the aromatic rings being covalently bound to each other via a structure represented by Formula (I): wherein R1 represents hydrogen or an organic group, and R2 represents an organic group.

Abstract: A substrate having a flame retardant polymer chemically bonded to at least a portion of the substrate. The use of a substrate possessing at least a partially coated outer surface of a flame retardant polymer enables the manufacturing of polymer composites, containing the coated substrate, that possess very effective flame retardant performance while reducing the loading levels over conventional flame retardant additives.

Abstract: A product is provided having a biobased component where the biobased component includes recycle polyester resin and the recycle polyester resin includes polyethylene terephthalate, polybutylene, or polypropylene terephthalate. The biobased component includes a polyester resin where the polyester resin is the co-reaction product of an aliphatic polyester having renewable components and a recycle polyester resin. Included is a composition having a filler and a polymeric binder. The filler includes inorganic biobased filler or recycle thermoset resin based filler.

Abstract: The invention relates to a new binder composition which is particularly suitable for the manufacture of composite materials utilizing such new binder composition in the required nonwoven materials. Composite materials using such new binder composition in their nonwoven part are suitable, in particular, for composites materials for interior construction, for linings, floor coverings, and for the manufacture of furniture and similar products.

Abstract: There are provided an organic fiber-reinforced composite resin composition which is good in fiber dispersion, excellent in appearance, excellent in mechanical properties such as tensile elongation at break or impact strength and easy in thermal recycle; and a molded article obtained therefrom. An organic fiber-reinforced composite resin composition comprising (a) 60 to 95% by weight of a polyolefin resin (provided that an acid-modified polyolefin resin is excluded) and (b) 40 to 5% by weight (provided that (a)+(b)=100% by weight) of organic fiber to which a polar resin (provided that an acid-modified polyolefin resin is excluded) is attached, or an organic fiber-reinforced composite resin composition comprising organic fiber in an amount of 10 to 200 parts by weight based on 100 parts by weight of a polyolefin resin and having an Izod impact strength at ?40° C. of 10 kJ/m2 or more, and further, an organic fiber-reinforced composite resin molded article obtained therefrom.

Abstract: This invention relates to a method for producing functionalized cis-1,4-polydienes having a combination of a high cis-1,4-linkage content and a high functionality, the resulting polymers and the vulcanized products containing the polymers. The functionalized cis-1,4-polydienes of the present invention are produced by a method comprising the steps of: (1) preparing a reactive polymer by polymerizing conjugated diene monomer with a lanthanide-based catalyst in the presence of less than 20% by weight of organic solvent based on the total weight of monomer, organic solvent, and resulting polymer, where the lanthanide-based catalyst is the combination of or reaction product of (a) a lanthanide compound, (b) an aluminoxane, (c) an organoaluminum compound other than an aluminoxane, and (d) a halogen-containing compound; and (2) contacting the reactive polymer with a functionalizing agent.

Abstract: The present invention relates to a polyoxymethylene molding composition comprising: (A) from 0.1 to 5.0% by weight of a compatibilizer, (B) from 5 to 50% by weight of an impact modifier, (C) the remainder to 100% by weight of a polyoxymethylene. The molding compositions of the invention have substantially improved mechanical properties, in particular impact resistance.

Abstract: Film-forming materials include nonionic metal coordinating structures. Nonionic metal coordinating structures can coordinate metals, such as metal catalysts and metal substrates. Example film-forming materials can be the product of a poly-functional epoxide and a nucleophilic ligand having a nonionic metal coordinating structure, or the product of a poly-functional alcohol and an electrophilic ligand having a nonionic metal coordinating structure.

Abstract: The present invention provides a curable unsaturated resin composition, which has less odor characteristics and high safety and is also superior in thin film coating characteristics in a coating film. The curable unsaturated resin composition contains a polymerizable unsaturated resin (A) having two or more polymerizable unsaturated double bonds in a molecule, a hydroxyalkyl (meth)acrylate (B), and an unsaturated compound (C) having one or more cyclohexene rings and two or more allyl ether groups in a molecule, which is liquid at normal temperature.

Abstract: A lens-fitted photo film unit of a waterproof type comprises a unit body covered with a case body and a lid member. A front window and a top window of the case body are made of transparent plastic. The lid member is also made of the transparent plastic. Methacrylate styrene resin is utilized as the transparent plastic, which is used for a taking lens, a viewfinder lens, and an underwater case constituted of the case body and the lid member. This transparent plastic is hardly clouded even if cosmetics of suntan lotion and so forth adhere thereto. Moreover, a poisonous gas causing photographic-film fog is prevented from rising so that photographic properties are not damaged.

Abstract: A process for reducing the heat evolution on dynamic stressing of vulcanised rubber products, using for this purpose, in vulcanizable rubber mixtures, mixtures made from non-selfcuring novolaks A and from unetherified or partially etherified triazine resins B, as a combination of reinforcing resin and curing agent.

Abstract: The present invention relates to a blend of polymeric materials comprising; (A) of from about 1 to about 80 percent by weight (based on the combined weights of Components A and B) of at least one substantially random interpolymer; wherein said interpolymer; (1) contains of from about 0.5 to about 50 mole percent of polymer units derived from; a) at least one vinyl or vinylidene aromatic monomer, or b) at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer, or c) a combination of at least one vinyl or vinylidene aromatic monomer and at least one hindered aliphatic or cycloaliphatic vinyl or vinylidene monomer; (2) contains of from about 50 to about 99.5 mole percent of polymer units derived from at least one aliphatic &agr;-olefin having from 2 to 20 carbon atoms; (3) has a melt index (I2) of from about 0.01 to about 100 g/10 min; and (4) has a molecular weight distribution (Mw/Mn) of from about 1.

Abstract: The present invention relates to a coating composition which is excellent in handling and safety, enables the curing of the resultant coating composition at low temperature, and provides an excellent adhesion to polyolefin resin moldings. The coating composition comprises (1) 40-90 wt. % of a grafted and chlorinated polyolefin oligomer obtained by graft polymerizing a vinyl polymerizable monomer to a chlorinated polyolefin, the grafted and chlorinated polyolefin oligomer having a primary or blocked primary hydroxyl group at a position of 15 to 40 atoms away from the vinyl graft polymer chain grafted to the chlorinated polyolefin, a number average molecular weight of 5,000 to 50,000, 0.4 to 2.5 mole/kg-resin of a primary or blocked primary hydroxyl group, 50 to 95 wt. % of said vinyl graft polymer chain, and 5 to 50 wt. % of the chlorinated polyolefin used as a starting material, and (2) 60 to 10 wt. % of an imino-type, methylol-type or complete alkoxy-type melamine resin.

Abstract: This invention relates to a novel class of polymeric compositions which have molecular weights ranging from 300 to 10,000 and are the reaction product of (a) an N-aryl or N-alkaryl substituted diphenyldiamine and (b) a conjugated or nonconjugated diene. These polymeric N-aryl substituted and N-alkaryl diphenyldiamine compounds are particularly useful as an antioxidant in diene containing polymers.

Abstract: A crosslinkable waterborne dispersion of a hydroxy functional polydiene polymer composition which comprises: (a) 10 to 65% w of a hydroxy functional polydiene polymer, (b) 0.2 to 25% w of a compatible amino resin, (c) 0.1 to 10% w of a surfactant which is nonionic or anionic and has a volatile cation, and (d) the balance water. The invention also describes a water-continuous process and an inversion processes for making such dispersions.

Abstract: Self-extinguishing polymeric compositions comprising ammonium polyphosphate aving the general formula (I):(NH.sub.4).sub.n+2 P.sub.n O.sub.3n+1 (I)microencapsulated with condensation compounds obtained by means of the polymerization of polyaminic compositions essentially constituted by derivatives of 2,4,6-triamino-1,3,5-triazine, having the general formula (II): ##STR1## with aldehydes, preferably formaldehyde.

Abstract: The present invention intends to provide a thermosetting coating composition provided with workability, excellent adhesion, weatherability, good appearance, etc. capable of use in a primerless colored base coat and top clear coat by a 2-coat, 1-bake method on a polyolefinic substrate. Moreover, the present invention intends to provide a coated body having excellent adhesion, weatherability, good appearance, etc. realized by a 2-coat, 1-bake method. This thermosetting coating composition is a composition comprising a graft copolymer obtained by copolymerizing acrylic monomer, unsaturated carboxylic acids, acrylic monomers containing hydroxyl group with chlorinated polyolefin containing anhydride in the presence of organic solvents. This coating composition is available for use as a primerless colored base coat 2-coat, 1-bake coating on the polyolefinic substrates.

Abstract: An at least monoaxially stretched polypropylene film made of a composition comprising a crystalline polypropylene and a monocyclic olefin polymer (e.g. a polycyclobutene or a polycyclopentene), wherein the content of the monocyclic olefin polymer is 0.1-1,000 ppm by weight.The polypropylene film is superior not only in transparency but also in image clarity by which an image is clearly seen through the film.The polypropylene film, when further comprising talc having an average particle diameter of 0.1-10 .mu.m in an amount of 50-4,000 ppm by weight, can prevent the surface roughening or edge roughening of sheet during the sheet formation conducted before stretched film production.The polypropylene film, when further comprising an anti-blocking agent and a polyethylene together, can prevent the generation of voids caused by the anti-blocking agent.

Abstract: The present invention relates to a composition which exhibits antiozonant activity in diene containing rubbers comprising the reaction product of a multi-step process comprising:(1) reacting under condensation conditions an aldehyde and an amine containing compound to form a condensation product, whereinsaid aldehyde is selected from the group consisting of formaldehyde, acetaldehyde or mixtures thereof; andsaid amine containing compound is selected from the group consisting of: N,N'-di-substituted-p-phenylene diamines of the structural formula: ##STR1## wherein R.sup.1 and R.sup.2 are independently selected from the group of radicals consisting of alkyls having 3 to 12 carbon atoms, aryls having 6 to 12 carbon atoms and aralkyls having 7 to 12 carbon atoms; and wherein said condensation conditions include:(i) the presence of an acid catalyst,(ii) a mole ratio of aldehyde to amine containing compound ranging from about 1.

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: A process for making polymers of conjugated dienes which contain hydroxyl groups in the diene blocks which comprises(a) making a precursor polymer by polymerizing at least one conjugated diene which leaves 1,2 disubstituted, 1,1 disubstituted, 1,1,2 trisubstituted or tetrasubstituted olefinic unsaturation in the polymer,(b) optionally partially hydrogenating said precursor polymer,(c) epoxidizing said precursor polymer such that epoxy groups form at said substituted sites and the amount of epoxy functionality in the polymer is from 0.1 to 5 Meq/g polymer, and(d) reacting the epoxidized polymer with an alcohol solution of hydrochloric acid.A diene polymer containing 0.1 to 10 Meq/g polymer of hydroxyl group and comprised of alcohol units of the formula ##STR1## where R.sub.1 and R.sub.2 are hydrogen or alkyl radicals and X and X' are either --OH or --Cl and at least one of them is --OH.

Abstract: Curable composition based on branched acrylates with COOH groups and/or branched acrylates with epoxide groups, and aminoplast resins.The present invention relates to a curable composition consisting ofA) a polymer with at least 2 COOH groups,B) a polymer with at least 2 epoxide groups andC) an aminoplast resin.At least one of components A) or B) is based on a branched soluble acrylate copolymer, more than 3 to 30% by weight, based on the total weight of the monomers, of a monomer with at least two polymerizable, olefinically unsaturated double bonds being used in the preparation of these branched acrylate copolymers and the proportions of the individual components relative to one another being chosen so that a molar ratio of 3:1 to 1:3 prevails between the carboxyl groups of component A) and the epoxide groups of component B) and a weight ratio of 65:35% by weight to 98:2% by weight prevails between the epoxy resin component and the aminoplast resin component.

Abstract: A partially crosslinked thermoplastic resin composition is prepared by dynamically heat-treating a thermoplastic resin (A) in the presence of a carbon radical inducing agent (B) comprising a charge transfer complex or a combination of a hydrogen donating compound and a hydrogen accepting compound.

Abstract: New additives in rubber compositions improve tire cord adhesion without need to use resorcinol. The new additives are derivatives of melamine, aceto guanamine, benzoguanamine, cyclohexylguanamine, and glycoluril, substituted with at least two vinyl-terminated radicals. Preferred compounds may also be substituted with at least one radical having a carbamylmethyl group.

Abstract: The invention provides acrylic-based heat-resistant bicomponent structural adhesives comprising:a) a first adhesive component consisting of:an elastomer;a monofunctional acrylic monomer;a free radical generator;a solution stabilizer;an adhesion promoter;a cross-linking agent;a heat stabilizer for the adhesive, chosen from maleimide derivates containing acrylic residues; andb) a second component activating the first adhesive component and consisting of:a mixture of aldehyde-amine condensation products;an organic salt of a metal of the first transition series of low oxidation state.

Abstract: The present invention relates to a composition which exhibits antiozonant activity in diene containing rubbers comprising the reaction product of a multi-step process comprising:(1) reacting under condensation conditions an aldehyde and an amine containing compound to form a condensation product, whereinsaid aldehyde is selected from the group consisting of formaldehyde, acetaldehyde or mixtures thereof; andsaid amine containing compound is selected from the group consisting of:N,N'-di-substituted-p-phenylene diamines of the structural formula: ##STR1## wherein R.sup.1 and R.sup.2 are independently selected from the group of radicals consisting of alkyls having 3 to 12 carbon atoms, aryls having 6 to 12 carbon atoms and aralkyls having 7 to 12 carbon atoms; and wherein said condensation conditions include:(i) the presence of an acid catalyst,(ii) a mole ratio of aldehyde to amine containing compound ranging from about 1.

Abstract: This invention relates to compositions of polyarylene sulphides (PAS), melamine resins and rubbers. The compositions are distinguished by very great toughness.

Abstract: This invention is a method of curing unsaturated polymers which do not have a significant amount of functional groups which undergo a cross-linking reaction with amino resins and which preferably comprise at least one conjugated diolefin monomer, said method comprising mixing said polymer with an amino resin in the presence of a proton-donating acid catalyst.

Abstract: This invention is a method of curing unsaturated polymers which do not have a significant amount of functional groups which undergo a crosslinking reaction with amino resins and which preferably comprise at least one conjugated diolefin monomer, said method comprising mixing said polymer with an amino resin in the presence of a proton-donating acid catalyst.

Abstract: A process for preparing a styrene resin composition which comprises subjecting to bulk or bulk-suspension polymerization a solution obtained by dissolving (A) a modified styrene polymer obtained by introducing directly or through another atomic group at least one functional group represented by the general formula>C.dbd.N.sup.+ <into the polymer chain of a styrene polymer obtained by polymerizing 90 to 100% by weight of a styrene monomer with 0 to 10% by weight if a monomer copolymerizable with the styrene monomer, if desired together with (B) a rubber-like polymer in (C) a styrene monomer.

Abstract: Incorporation of 0.2 to 3.0 weight percent of linear low density polyethylene into polyoxymethylene compositions results in improved elongation for such compositions.

Abstract: The addition of elastomeric thermoplastic polymers and melamine resin to the polymer matrix of composite materials for the moulding of fibre-reinforced unsaturated polyester resin improves the surface characteristics, resilience, and mouldabilty and heat resistance thereof.

Abstract: A thermoplastic resin composition is prepared by heat-treating a mixture of a thermoplastic resin substantially containing no olefinic unsaturated carbon-carbon bond and an elastomer having an olefinic unsaturated carbon-carbon bond, dynamically in the presence of a crosslinking agent, characterized in that as said elastomer there is used at least one member selected from the group consisting of styrene-butadiene-styrene block copolymer (SBS), styrene-iosprene-styrene block copolymer (SIS), 1,2-polybutadiene rubber and ethylene-propylene-diene random copolymer (EPDM), and that as said crosslinking agent there is used a dihydroaromatic compound or a polymer thereof.

Abstract: Oxidized polyisobutenes, that is polyisobutenes containing ketonic and carboxylic acid carbonyl groups, are produced by passing through a column of the polyisobutene maintained at a temperature in the range from 140.degree. to 200.degree. C. and at atmospheric or elevated total pressure a molecular oxygen-containing gaseous oxidant at a gas flow rate greater than 10 liters cm.sup.-2 h.sup.-1 measured at the operating pressure. The oxidized polyisobutenes can be reacted for example with an aliphatic polyamine to produce a lubricating oil additive or with an aliphatic polyamide and formaldehyde to produce a fuels additive.

Abstract: This invention is a method of curing unsaturated polymers which do not have a significant amount of functional groups which undergo a cross-linking reaction with amino resins and which preferably comprise at least one conjugated diolefin monomer, said method comprising mixing said polymer with an amino resin in the presence of a proton-donating acid catalyst.

Abstract: Oxidised polyisobutenes, that is polyisobutenes containing ketonic and carboxylic acid carbonyl groups, are produced by passing through a column of the polyisobutene maintained at a temperature in the range from 140.degree. to 200.degree. C. and at atmospheric or elevated total pressure a molecular oxygen-containing gaseous oxidant at a gas flow rate greater than 10 liters cm.sup.-2 h.sup.-1 measured at the operating pressure. The oxidized polysisobutenes can be reacted for example with an aliphatic polyamine to produce a lubricating oil additive or with an aliphatic polyamine and formaldehyde to product a fuels additive.

Abstract: A primer composition usable for steel sheets and plastic sheets in vehicle bodies consists essentially of a component (A) consisting essentially of at least one resin having a glass transition temperature of not higher than -20.degree. C., preferably not lower than -75.degree. C., and an elongation at break of not less than 400% preferably not greater than 900%, at 20.degree. C. and a component (B) consisting essentially of at least one crosslinking resin, the weight ratio of solid content of (A) to (B) being 70-99:30-1.

Abstract: Rubber compositions are disclosed which exhibit enhanced dynamic modulus and tensile strength characteristics. A selected type of carbon black, resorcinsol and/or its precondensate and hexamethoxymethyl melamine are combined in specified amounts with a selected class of starting rubbers. The carbon black has specified nitrogen adsorption surface area, dibutyl phthalate adsorptivity and Dst mode of diameter.

Abstract: A primer composition usable for steel sheets and plastic sheets in vehicle bodies consists essentially of a component (A) consisting essentially of at least one resin having a glass transition temperature of not higher than -20.degree. C., preferably not lower than -75.degree. C., and an elongation at break of not less than 400%, preferably not greater than 900%, at 20.degree. C. and a component (B) consisting essentially of at least one crosslinking resin, the weight ratio of solid content of (A) to (B) being 70-99:30-1.

Abstract: Fuel oils and lubricants of improved properties contain ethylene-propylene copolymers bearing units derived from N-vinyl pyrrolidone and phenothiazine.

Abstract: A vulcanizable rubber composition and method for making the same in which the rubber component is mixed with a methylene donor and acceptor and the methylene acceptor is a compound of the general structural formula ##STR1## wherein R may be the same or different radicals and is consisting of hydrogen, alkyl of 1 to about 20 carbon atoms, aryl of about 6 to about 12 carbon atoms, R.sub.1 is --H, --OH, --O--CO--R.sub.3 or --O--R.sub.4 and R.sub.3 and R.sub.4 are each an alkyl or aryl group having 1 to about 12 carbon atoms, andWherein R.sub.2 is a hydrogen radical, saturated or unsaturated of 1 to about 20 carbon atoms, naphtyl or an aromatic radical of the formula ##STR2## wherein R may be the same of different and is defined as above.

Abstract: The extrudability of linear polymers of ethylene such as low density copolymers of ethylene and C.sub.4 -C.sub.10 olefins (LLDPE) into thin films is improved by adding small amounts, e.g., 0.02 to 1 weight percent polyacetal fluoride to reduce melt fracture, head pressure and extruder torque.

Abstract: An oriented polyolefin film containing particles of a condensated resin comprising, as a structural unit, a compound having a triazine ring with an average particle size of 0.5 to 10 .mu.m are contained at a ratio of 0.01 to 0.1% by weight based on a polyolefin and oriented monoaxially or biaxially by a factor of at least 4 in the orienting directions.