Abstract: This invention relates to a process of preparing vesiculated granules of crosslinked carboxylated polyester resin utilising a particular class of non-alkylphenolethoxylate surfactant.

Abstract: The present invention provides copolyester compositions and novel methods employing such compositions. The copolymer compositions comprise a copolyester containing a low polarity block in the copolyester backbone, thereby resulting in adhesive and coating materials that exhibit improved flow and wettablility and superior initial adhesion and retained adhesion to various substrates.

Abstract: This invention provides a paint composition for motorcars, which comprises a carboxyl-containing polyester resin which contains a unit or units derived from alicyclic polybasic acid (a) and/or alicyclic polyhydric alcohol (b), and a vinyl polymer having epoxy group(s) and hydroxyl group(s) within one molecule, and which is capable of forming cured coating having Universal Hardness (HU) not higher than 500 N/mm2.

Abstract: A molding composition comprising a fibrous material, a crystalline unsaturated polyester, a non-crystalline unsaturated polyester, and a radical generator, and a molded article obtained by molding the molding composition are disclosed.

Abstract: The invention provides a biodegradable polymer composition comprising a biodegradable polymer and a phenol-containing compound mixed with the polymer. The phenol-containing compound is present in the biodegradable polymer at an amount sufficient to slow the degradation rate of the biodegradable polymer. The invention also pertains to a method for slowing the degradation rate of a biodegradable polymer.

Abstract: A copolymerized polyester resin composition comprising the following polyethylene terephthalate resin (A) and a polybutylene terephthalate resin (B), wherein the proportion of the resin (A) is from 50 to 95 wt %, and the proportion of the resin (B) is from 5 to 50 wt %, based on the total amount of the resins (A) and (B): Resin (A): a copolymerized polyethylene terephthalate resin, having a dicarboxylic acid component containing terephthalic acid as the main component and a diol component containing ethylene glycol as the main component copolymerized, wherein the dicarboxylic acid component contains isophthalic acid in an amount of from 3 to 30 mol % based on the total dicarboxylic acid component, and the diol component contains a cyclohexane dimethanol in an amount of from 3 to 40 mol % based on the total diol component.

Abstract: Polymer blends, in particular polyphenylene ether-polyamide blends, are effectively compatibilized by incorporating under blending conditions certain oligomers, cooligomers, polymers and copolymers of narrow molecular weight distribution that are prepared under free radical polymerization conditions with glycidyl-functionalized nitroxyl initiators. The oligomers, cooligomers, polymers and copolymers contain at least one oxyamine group and at least one glycidyl-containing initiator group. The polymer blends have excellent mechanical properties.

Abstract: There is provided a resin powder for molding which comprises 35 to 98% by weight of a polytetrafluoroethylene powder having an average particle size of not more than 120 &mgr;m, 35 to 2% by weight of a heat resistant aromatic polyoxybenzoyl ester resin powder subjected to water repelling treatment and 30 to 0% by weight of an inorganic filler, has an apparent density of not less than 0.6 g/cm3 and an average particle size of not more than 800 &mgr;m, and provides a molded article having an elongation at break of not less than 20%. The resin powder for molding is free from separation of a filler, has excellent flowability and apparent density which are important characteristics in handling the powder, and can provide a PTFE molded article having a high elongation which has not been obtained.

Abstract: Multicomponent coating materials, adhesives and sealing compounds comprising a (meth)acrylate (A) containing, based on (A), up to 90% by weight of hydroxyl-containing monomers in copolymerized form, of which (a1) from 20-90% by weight, based on (A), are 4-hydroxybutyl (meth)acrylate and/or 2-alkylpropane-1,3-diol mono(meth)acrylate, and (a2) from 0-40% by weight based on (A), are other hydroxyl-containing monomers; and (B) an adduct preparable from (b1) a diisocyanate, and (b2) a compound of the general formula I having an isocyanate-reactive group: wherein R1 and R2 are hydrogen or alkyl radicals, X and Y are oxygen, sulfur or >N—R6 where R6 is alkyl radical or aryl radical, R3 is alkylene radical and R4 and R5 are hydrogen, isocyanate-reactive groups or radicals R6; where R4, R5 or R6 contains an isocyanate-reactive group or R4 or R5 is an isocyanate-reactive functional group, and where R4, R5 or R6, where present, contain no isocyanate-reactive groups and the molar ratio of isocy

Abstract: A polyurethane is described which is a reaction product of at least one isocyanate containing material having at least two isocyanate groups and at least one compound having at least two hydrogen atoms capable of reacting with the isocyanate. The compound having the at least two hydrogen atoms contains a hydroxyalkanoate, which is preferably a thermally decomposable or a biodegradable polyhydroxyalkanoate. The polyurethane of the present invention can be used in a number of applications and preferably has improved properties such as, but not limited to, improved flexibility and/or improved hydrophobicity. The polyurethanes of the present invention are preferably biodegradable and easily recycled.

Abstract: The present invention provides thermally activated adhesive compositions comprising polymer and polyester wherein the adhesive polymer comprises a polymer having hydroxyl and phenyl groups and adhesive films made from the adhesive compositions.

Abstract: Compression molded pigmented door skins fabricated by compression molding a pigmented, curable, unsaturated polyester sheet molding compound containing a co-curable unsaturated monomer, a low profile additive, and a microvoid-reducing thermoplastic polymer, exhibit uniform stainability while maintaining a low linear thermal coefficient of expansion. Such door skins are suitable for preparing wood grain textured exterior insulated doors which exhibit minimal thermal deflection when exposed to interior/exterior temperature differentials, even at eight foot door heights. The doors may be stained without first applying a seal coat.

Abstract: The present invention provides a method and composition for waterproofing explosive materials. The method includes providing a waterproofing composition and subsequently coating an explosive material with the composition to produce a moisture barrier. In one embodiment, the composition comprises a reaction product of from 25 to 40 percent by weight of mixed isomers of diphenylmethane diisocyanate; from 45 to 85 percent by weight of a polymer derived from 1,3-butadiene and containing functional groups that are reactive with an isocyanate group; from 0.005 to 0.05 percent by weight of an aromatic isocyanate; and from 0.005 to 0.05 percent by weight of a catalyst.

Abstract: A resin molding having welding properties, flexibility, and shock impact resistance in a balanced manner. The resin molding has a welded seam, consisting of a resin composition, wherein the resin composition comprises (a) a polyphenylene sulfide resin and (b) an olefin based resin: wherein an amount of the (a) polyphenylene sulfide resin and the (b) olefin based resin is 80 weight % or more of the entire resin composition, and the content of the (b) olefin based resin is 10 to 100 parts by weight relevant to 100 parts by weight of the (a) polyphenylene sulfide resin, and wherein the tensile elongation at break is 20% or more.

Abstract: The invention relates to an economical method of making a polymer having reduced VOCs and coating compositions containing such polymers. In one embodiment, the method of invention requires providing a reactant mixture (a), providing a solvent mixture (b) comprising a reactive component (c) which is substantially free of any heteroatoms and is not a crystalline solid at room temperature and comprises (i) from 12 to 72 carbon atoms, and (ii) at least two functional groups, and subjecting the reactant mixture (a) in the solvent mixture (b) to polymerization conditions sufficient to polymerize reactant mixture (a) to provide a mixture (d) of a polymer (a′) in solvent mixture (b), wherein reactive component (c) under the polymerization conditions is substantially nonreactive: (1) with the components of reactive mixture (a), (2) in the polymerization of reactant mixture (a) and (3) with the polymer (a′).

Abstract: An object of the present invention is to provide a fuel system part with excellent fuel permeation resistance, and excellent shock impact resistance and heat resistance. A fuel system part consists of a resin composition, wherein the resin composition includes (a) a polyphenylene sulfide resin and (b) an olefin based resin, wherein an amount of the (a) polyphenylene sulfide resin and the (b) olefin based resin is 80 weight % or more of the entire resin composition and the content of the (b) olefin based resin is 10 to 100 parts by weight relevant to 100 parts by weight of the (a) polyphenylene sulfide resin, and wherein the resin composition has a fuel permeability coefficient (Fuel C/ethanol=90/10) of 3.3×10−16 mol·m/m2·s·Pa or less at 40° C.

Abstract: An olefinically unsaturated, hydrophilic or hydrophobic polyurethane, which can be produced as follows: a polyurethane pre-polymer, produced by at least reacting at least one poly-isocyanate with at least one saturated and/or olefinically unsaturated higher-molecular and/or lower-molecular weight polyol in one or more stages so that, according to the statistical mean, at least one free isocyanate group per molecule still remains, is reacted with at least one compound containing at least two functional groups that are reactive to isocyanate, in such a way that no remaining free isocyanate groups are detectable. The resultant polyurethane is then reacted with at least one anhydride of an &agr;,&bgr;-unsaturated carboxylic acid. Also, the use of the polyurethane for producing graft copolymers and to the use of the polyurethane and the graft copolymers for producing coating materials, adhesives and sealing masses.

Abstract: A polymer processing aid composition, a melt processable thermoplastic hydrocarbon polymer composition that uses the polymer processing aid, and a method of improving the melt processability of a thermoplastic hydrocarbon polymer are provided. The polymer processing aid composition comprises a major amount of a fluorothermoplastic polymer that comprises interpolymerized units derived from vinylidene fluoride, at least one ethylenically unsaturated copolymerizable fluorinated monomer, and, optionally, at least one low molecular weight non-fluorinated olefin monomer.

Abstract: A prepreg resin comprising: (a) 98 to 40% by weight based on the total weight of components (a) and (b), of a curable polyphenylene ether resin; (b) 2 to 60% by weight based on the total weight of components (a) and (b), of at least one cyanurate selected from the group consisting of triallyl isocyanurate and triallyl cyanurate; (c) a polymerization initiator comprised of a peroxide functionalized polymer, said peroxide functionalized polymer being fragmented by heat to a plurality of free radical moieties, such as t-butoxide moieties, and a relatively inert moiety having a molecular weight greater than about 1,000. The invention also encompasses a cured resin either as a coating on a substrate, without fiberglass cloth embedded, or a cured prepreg with fiberglass cloth embedded and a method of forming the same.

Abstract: This invention relates to a polyisocyanate composition having a mean functionality of greater than 3, obtained by polycondensation of diisocyanate or triisocyanate monomers. The invention also relates to a reactive coating composition comprising the isocyanate composition defined above and a polyol having a hydroxyl number of between approximately 50 and approximately 250 and a number [lacuna] molar mass of between approximately 500 and approximately 15 000, said coating composition exhibiting a good pot life and a rapid rate of crosslinking at ambient temperature, to produce a crosslinked coating possessing good properties of surface hardness, of flexibility and of impact resistance.