Abstract: The invention relates to epoxy compounds which can be polymerized to give polyethers and which are formed from polyalkyl-1-oxadiazaspirodecanes of the formula ##STR1## in which X is a group ##STR2## and an epihalogenohydrin by linking the nitrogen atom of the 5-membered ring to the 2,3-epoxypropyl radical. Polyethers which have degrees of polymerization of up to approx. 50 and which exhibit a very low volatility and are suitable as light stabilizers for organic polymers can be obtained by heating the epoxides.

Abstract: The invention relates to a method of preparing polyether-ester-amide block copolymers having recurrent units of the general formula: ##STR1## wherein A is a polyamide sequence and B a linear or branched polyoxyalkylene glycol sequence, the alkylene radical of which comprises at least two carbon atoms, and wherein n indicates that there is a great number of recurrent units. The plastic materials prepared by the novel method have mechanical properties which allow them to be used in technological transformation operations for the manufacture or moulded or extruded articles such as films, sheaths, fibres for textiles products, etc.. They may also be used for making bonded or welded linings.

Abstract: A moldable and/or extrudable polyether-ester-amide block copolymer is disclosed which has the formula ##STR1## wherein A is a linear saturated aliphatic polyamide sequence formed from a lactam or amino acid having a hydrocarbon chain containing 4 to 14 carbon atoms or from an aliphatic C.sub.6 -C.sub.12 dicarboxylic acid and a C.sub.6 -C.sub.9 diamine, in the presence of a chain-limiting aliphatic carboxylic diacid having 4 to 20 carbon atoms; said polyamide having an average molecular weight between 300 and 15,000; and B is a polyoxyalkylene sequence formed from linear or branched aliphatic polyoxyalkylene glycols, mixtures thereof or copolyethers derived therefrom said polyoxyalkylene glycols having a molecular weight of between 200-6,000 and n indicates a sufficient number of repeating units so that said polyether-ester-amide block copolymer has an intrinsic viscosity of from about 0.8 to about 2.05.

Abstract: A fast crystallizing polyester composition comprising a block copolyester containing the repeating polymeric segments A and B wherein A is a polymeric segment of ethylene terephthalate units and B is a polymeric segment having a glass-transition temperature of less than 0.degree. C. and preferably less than -20.degree. C., the concentration of the segments of B being between 0.05 and 10 mole % of the block copolyester, and a crystallization nucleant which is an at least partially neutralized salt, preferably an alkali metal salt, of a polymer containing pendant neutralizable groups.

Abstract: An improved shaped article can be prepared from a blockcopolyetherester by (a) mixing the same with poly(butylene terephthalate) at a temperature of about 200.degree. to about 230.degree. C. whereby fine fragments of poly(butylene terephthalate) which maintains its own crystalline phase are dispersed in the matrix of the blockcopolyetherester, and (b) molding the mixture at a temperature below the melting point of the poly (butylene terephthalate). The addition of an ester wax and/or a calcium soap improves the extrusion-moldability of the mixture.

Abstract: Molding compositions comprisingA. 60-97% by weight, based on the weight of the total composition, of a poly(alkylene terephthalate) andB. 3-40% by weight, based on the weight of the total composition, of a polyether ester amide, component A being the condensation product of(1) 80-100 molar percent of terephthalic acid, and(2) 0-20 molar percent of another hydrocarbonaromatic-,cycloalkane- or alkane-dicarboxylic acid of 6-36 C atoms, with(3) 80-100 molar percent of a 1,n-alkanediol of 2-4 C atoms, wherein n is an integer of 2 to 4, and(4) 0-20 molar percent of another alkane- or cycloalkane-diol of 3-12 C atoms, component B being the condensation product of(1) at least one polaymide-forming .omega.

Abstract: A strand prepreg which comprises (i) a resin composition comprising 100 parts by weight of thermosetting resin having a softening point of 60.degree. C. or less and about 5 to 60 parts by weight of epoxy resin having a number average molecular weight of 5,000 or more and (ii) about 20 to 80% by volume strands of carbon fibers, glass fibers, aromatic polyamide fibers and the like, wherein the strands are impregnated with the resin composition.

Abstract: Compositions are described comprising blends of cured epichlorohydrin rubber and nylon.

Abstract: Compositions are described comprising blends of cured epichlorohydrin rubber and crystalline polyester.

Abstract: A saturated cross-linkable binder composition adapted for preparing coatings having a non-glossy surface is disclosed which comprises:(a) at least one cross-linkable resin selected from the group consisting of saturated polyester resins and epoxide resins;(b) a cross-linking agent wherein the functional groups are selected from the group consisting of acid groups and acid anhydride groups and, in case the cross-linkable resin is a saturated polyester resin, also masked isocyanate groups; and,(c) having associated therewith a salt of an at least bivalent metal ion and an organic acid anion selected from the group consisting of carboxylic anions and acetylacetonate.These binder compositions are particularly useful as binding agents in powderous paint compositions which yield a paint coating having a non-glossy and textured surface.

Abstract: Improved process for producing polyesters and copolyesters modified with certain polyoxyalkylene glycols employs coordination complex catalysts of (I) a metal halide compound and certain silicon compounds or (II) a mixture of said coordination complex catalyst of said compounds with antimony diglycollate.

Abstract: Process for preparing ether-ester-amide block polymers. It consists in the reaction, in the molten state of a dicarboxylic polyamide having COOH end groups with a polyoxyalkylene glycol having hydroxyl end groups in the presence of metallic tetraalkoxide(s) as catalysts. The tetraalkoxide(s) used are of the formula M(OR).sub.4 where M is Zr or Hf and the radicals R, identical or different are linear or branched C.sub.1 -C.sub.24 alkyl radicals.

Abstract: Hydrolysis-resistant copolyether-esteramides according to this invention are terminated, at one chain end, by a hydrocarbon radical and at the other chain end by a hydroxyl group. The sequential linear aliphatic copolyether-esteramides according to the invention are obtained by a polycondensation reaction of linear aliphatic dicarboxylic polyamide oligomers having a molecular weight comprised between 300 and 15,000, with .omega.-.omega.'-dihydroxyl polyoxyalkylene sequences having a molecular weight comprised between 100 and 6000 in the presence of a linear aliphatic monocarboxylic polyamide oligomer having a carboxyl group at one end of the macromolecular chain and a hydrocarbon radical at the other end thereof.

Abstract: Thermoplastic polymer cover for golf balls.The thermoplastic polymer material constituting the cover consists of a poly(ether-ester-amide) sequenced copolycondensate having special characteristics.Such a cover has good mechanical characteristics and confers on the golf balls so covered a satisfactory "feel" and "click".

Abstract: Addition polymerizable polyethers having pendant ethylenically unsaturated urethane groups are usefully employed as flooring materials and in other applications utilizing radiation curable or chemically curable materials. Such urethane polyethers are advantageously prepared by reacting a polyether polyol such as a hydroxy terminated polypropylene glycol with an isocyanatoalkyl ester of an ethylenically unsaturated acid such as 2-isocyanatoethyl methacrylate.

Abstract: The invention relates to a method of preparing polyether-ester-amide block copolymers having recurrent units of the general formula: ##STR1## wherein A is a polyamide sequence and B a linear or branched polyoxyalkylene glycol sequence, the alkylene radical of which comprises at least two carbon atoms, and wherein n indicates that there is a great number of recurrent units. The plastic materials prepared by the novel method have mechanical properties which allow them to be used in technological transformation operations for the manufacture or moulded or extruded articles such as films, sheaths, fibres for textiles products, etc. They may also be used for making bonded or welded linings.

Abstract: A stabilized copolyester composition consisting essentially of (a) a multiplicity of recurring long chain units and short chain ester units joined head-to-tail through ester linkages, said long chain ester units being represented by the formula ##STR1## and said short chain units being represented by the formula ##STR2## where G is a divalent radical remaining after the removal of terminal hydroxyl groups from a poly(alkylene oxide) glycol having a molecular weight of about 400-6000 and a carbon to oxygen ratio of about 2.0-4.3; R is a divalent radical remaining after removal of carboxyl groups from a dicarboxylic acid having a molecular weight less than about 300 and D is a divalent radical remaining after removal of hydroxyl groups from a diol having a molecular weight less than about 250; provided said short chain ester units amount to about 15-95 percent by weight of said copolyester and (b) an effective concentration of amide linkages which on hydrolysis yield a primary amino group and a carboxyl group.

Abstract: The current invention is concerned with block copolyesters of low glass transition temperature segments and ethylene glycol based polyester segments linked together by carboxylic acid ester groups and special diols, and a process for preparing these copolyesters. These copolyesters display molded resin properties similar to polyethylene terephthalate but crystallization behavior similar to polybutylene terephthalate, i.e. they have high strength and superior solvent resistance, but they also crystallize rapidly. They are made by subjecting low glass transition temperature (less than 0.degree. C.) polymers with carboxyl, hydroxyl or reactive ester end groups to esterification or transesterification conditions with ethylene glycol based polyester segments having a minimum intrinsic viscosity of 0.2 dl/g and special diols having four to ten carbon atoms with 3 or 4 carbon atoms between the hydroxyl groups in the presence of appropriate catalysts.

Abstract: A resin composition is disclosed comprising, as essential ingredients, (I) a urethanized epoxy resin or a urethanized epoxy resin acrylate or methacrylate, (II) a ketone resin and (III) a cross-linkable or polymerizable compound containing at least two ethylenically unsaturated groups.

Abstract: Chelate resins are obtained by introducing an effective amount of chelate active groups into the cured reaction product of an epoxide and a polyalkylenepolyamine. For example, an alkali metal salt of a halogenated carboxylic acid such as sodium chloroacetate, is reacted with the reaction product of triethylenetetraamine and diglycidyl ether of bisphenol A to form a chelate resin.

Abstract: A settable flexible epoxy resin composition comprising:(A) 100 parts by weight of an epoxy resin, and(B) 5 to 200 parts by weight of a liquid chloroprene copolymer having a number average molecular weight of about 500 to about 10,000 and prepared by copolymerizing70 to 99 parts by weight of (i) a chloroprene monomer or (ii) at least 50% by weight of a chloroprene monomer plus a monomer copolymerizable therewith, and1 to 30 parts by weight of one or more monomers selected from the group consisting of(a) an unsaturated glycidyl ester represented by the formula (I): ##STR1## wherein R is a hydrogen atom, a methyl group or an ethyl group; (B) A POLYFUNCTIONAL ACRYLATE OR A POLYFUNCTIONAL METHACRYLATE; AND(c) an unsaturated carboxylic acid;In the presence of 0.5 to 20 parts by weight of a mercaptocarboxylic acid based on 100 parts by weight of the monomers.