Abstract: Novel compositions comprising a high concentration of one or more extended chain homopolymer, copolymer, or block polymer and certain polyphosphoric acids are prepared under conditions to exercise control of molecular weight as characterized by intrinsic visoscity. Such compositions are optically anisotropic (liquid crystlaline), capable of exhibiting excellent cohesive strength, and are especially suited to the production of high molecular weight ordered polymer fibers by dry-jet wet spinning. These liquid crystalline compositions are capable of being drawn through long air gap distances and spun at excptionally high spin draw ratios. Fibers, films and other articles formed from these liquid crystalline compositions exhibit exceptionally high physical and heat resistant properties.

Abstract: Compositions suitable as binders for high solids, ambient cure coatings, and coating compositions which have high humidity resistance and good weatherability are disclosed herein.

Abstract: Novel compositions are prepared by reacting sulfur dioxide with the reaction product of a material having an average of more than one 1,2-epoxide group per molecule such as a diglycidyl ether of bisphenol A with a monoethylenically unsaturated monocarboxylic acid such as methacrylic acid in the presence of an oxidizing agent such as cumene hydroperoxide.

Abstract: Poly(sulfide carbonate) compositions are prepared by reacting a bis(allyl)carbonate with a sulfur dihalide and optionally also with a bis- or polyallyl compound.

Abstract: Azlactone-functional compounds, which are liquid above 20.degree. C., and their method of preparation from alkenyl azlactones and nucleophilic group-substituted compounds are disclosed. The azlactone-functional compounds of the invention cure in the presence of nucleophilic chain-extending or crosslinking agents to form linear or crosslinked polyamide resin systems.

Abstract: A poly(triazolinethione) is prepared by a process comprising the steps:(a) providing a poly(acylthiosemicarbazide),(b) cyclodehydrating the poly(acylthiosemicarbazide) by subjecting it to an elevated temperature in the presence of an aqueous alkaline solution to form a polyanion of a poly(triazolinethione),(c) treating the polyanion of the poly(triazolinethione) with aqueous acid solution to provide the poly(triazolinethione), and(d) isolating the resulting poly(triazolinethione).

Abstract: Novel compositions comprising a high concentration of one or more extended chain homopolymer, copolymer, or block polymer and certain polyphosphoric acids are prepared. Such compositions are optically anisotropic (liquid crystalline), capable of exhibiting excellent cohesive strength, and are especially suited to the production of high molecular weight ordered polymer fibers by dry-jet wet spinning. These liquid crystalline compositions are capable of being drawn through long air gap distances and spun at exceptionally high spin draw ratios. Fibers, films and other articles formed from these liquid crystalline compositions exhibit exceptionally high physical and heat resistant properties.

Abstract: A curable resin composition comprising a mixture and/or a preliminary reaction product of (a) at least one cyanate compound selected from the group consisting of polyfunctional cyanate esters, prepolymers of the cyanate esters, coprepolymers of the cyanate esters and an amine and mixtures thereof, (b) a polyhydantoin resin and optionally (c) at least one maleimide compound selected from the group consisting of polyfunctional maleimides, prepolymer of the maleimides, coprepolymers of the maleimides and an amine and mixtures thereof is disclosed.

Abstract: Polymerizable compositions comprise(a) a compound containing(i) at least one acryloyloxy or methacryloyloxy group,(ii) at least one allyl, methallyl, or 1-propenyl group attached, either directly, or through an oxygen atom or an oxycarbonyl group, to a carbon atom which forms part of an aromatic or cycloaliphatic nucleus,(b) a compound containing in the molecule both(iii) at least one acryloyloxy or methacryloyloxy group and(iv) at least one --COOH group, and(c) a compound containing at least two mercaptan groups directly attached to aliphatic carbon atoms.Examples of (a) are 2,2-bis(3-allyl-4-(3-(methacryloyloxy)-2-(2-carboxyethylcarbonyloxy)propox y)phenyl)propane, 1-(allyloxycarbonyl)-2,4-bis(3-(methacryloyloxy)-2-(2-carboxyethylcarbonyl oxy)propoxycarbonyl)benzene, and diallyl bis(3-methacryloyloxy)-2-(2-carboxyethylcarbonyloxy)propyl) esters of benzophenone-3,4,3',4'-tetracarboxylic acid. Examples of (b) are acrylic acid and 2-(methacryloyloxy)ethyl 5-carboxycyclohex-1-ene-4-carboxylate.

Abstract: This invention is an aqueous-dispersible oxirane formulation comprising an oxirane and a cross-linking amount of 3-hydroxythiophane and an organic acid having at least 2 acid moieties that have a dissociation constant, pK.sub.a, less than 4.75.

Abstract: A melt-processable aromatic polyester anhydride characterized in that from 5 to 80% of the units linking the reactant residues in the polymer chain have the formula: ##STR1## the remaining linkages between the residues of the reactants being of the formula: ##STR2## optionally together with linkages of the formula: ##STR3## substantially all of said remaining linkages being disposed in coaxial or parallel and oppositely directed manner with respect to the residues to which they are linked, the polyester anhydride having a solubility of less than 5% by weight in dimethyl sulphoxide at room temperature.

Abstract: This invention relates to novel terpolymers of 3-methylcyclopentene, an omega alkynoic acid and sulfur dioxide. Positive radiation sensitive films prepared from the subject terpolymers adhere well to the substrate, demonstrate resistance to cracking and erosion during development and possess excellent edge definition.

Abstract: This invention relates to novel terpolymers of vinyl acetate, 3-methylcyclopentene and sulfur dioxide. Positive electron beam resist media prepared from the subject terpolymers possesses excellent sensitivity and development latitude.

Abstract: In accordance with this invention, there is provided a positive resist medium for microlithography which is comprised of a film of a copolymer of sulfur dioxide and certain vinyl esters. A method of manufacturing microelectronic circuits and recording information utilizing the resist medium of this invention is also provided.

Abstract: Production of an aromatic polyketone by reacting in the presence of a quinquevalent phosphorous halide (preferably PCl.sub.5) and a fluoroalkane sulphonic acid (preferably CF.sub.3 SO.sub.2 OH) the reactants selected from: (a) a mixture of (i) at least one aromatic dicarboxylic acid HO.sub.2 C--Ar--CO.sub.2 H where --Ar'-- is a divalent aromatic radical and CO.sub.2 H is an aromatically bound carboxylic acid group, which dicarboxylic acid is polymerizable with the at least one aromatic compound of (ii), and (ii) at least one aromatic compound H--Ar'--H where --Ar'-- is a divalent aromatic radical and H is an aromatically bound hydrogen atom, which compound is polymerizable with the at least one dicarboxylic acid of (i); (b) at least one aromatic monocarboxylic acid H--Ar"--CO.sub.2 H where --Ar"-- is a divalent aromatic radical and H and CO.sub.2 H are as defined in (a), which monocarboxylic acid is self-polymerizable; and (c) a combination of (a) and (b).

Abstract: This invention relates to novel terpolymers of 3-methylcyclopentene, 2-cyclopentene-1-acetic acid and sulfur dioxide. Positive electron beam resist media prepared from the subject terpolymers possesses excellent sensitivity and development latitude and unexpectedly are developable with conventional aqueous alkaline developers.

Abstract: A process for the production of branched polymers of arylene sulfide in which a reaction mixture of (1) at least one p-dihalobenzene, (2) at least one alkali metal sulfide, (3) at least one organic amide, (4) water in an amount of about 1.0 mole to about 2.4 moles per mole of alkali metal sulfide, and (5) at least one alkali metal carboxylate is contacted under polymerization conditions for a time sufficient to form arylene sulfide polymer and the arylene sulfide polymer formed in said reaction mixture is contacted under polymerization conditions with a polyhaloaromatic compound having more than two halogen substituents per molecule for a time having a range of up to about 75 minutes before entering upon termination of the polymerization process. An embodiment of the process in which the alkali metal sulfide is produced in situ by the reaction of an excess of alkali metal hydroxide with alkali metal hydrosulfide.

Abstract: A plastic lens composed of a cured product of a mixture or a reaction produce of (A) a compound containing at least 2 unsaturated cycloacetal groups per molecule, (B) a compound containing at least 2 mercapto groups per molecule and (D) an aliphatic polyvinyl compound selected from the group consisting of ethylene glycol diacrylate, ethylene glycol dimethacrylate, trimethylolpropane triacrylate, trimethylolpropane trimethacrylate, pentaerythritol tetraacrylate and dipentaerythritol hexaacrylate.

Abstract: A process for the production of branched polymers of arylene sulfide in which a reaction mixture of (1) at least one p-dihalobenzene, (2) at least one alkali metal sulfide, (3) at least one organic amide, (4) water in an amount of about 1.0 mole to about 2.4 moles per mole of alkali metal sulfide, and (5) at least one alkali metal carboxylate is contacted under polymerization conditions for a time sufficient to form arylene sulfide polymer and the arylene sulfide polymer formed in said reaction mixture is contacted under polymerization conditions with a polyhaloaromatic compound having more than two halogen substituents per molecule for a time having a range of up to about 75 minutes before entering upon termination of the polymerization process. An embodiment of the process in which the alkali metal sulfide is produced in situ by the reaction of an excess of alkali metal hydroxide with alkali metal hydrosulfide.

Abstract: The present invention relates in general to vulcanizable elastomers of thiodiethanol and, in particular, to the provision of a novel vulcanization system for vulcanizable elastomers of thiodiethanol, comprising sulfur and certain pyrazine compounds.

Abstract: The present invention relates in general to sulfur-vulcanizable elastomers derived from thiodiethanol and, in particular to the provision of a novel vulcanization system therefor comprising sulfur and an aliphatic linear, branched chain of cyclic polyethyleneamine or a dissociable organic salt thereof.

Abstract: Silicon halides will react chemically with polyols to produce polyol silicate resinous products which will react chemically with polyisocyanates to produce polyisocyanate silicate solid or cellular solid products.

Abstract: Novel functional ionene polymer compositions useful in a wide variety of applications, including, among others, as wet and dry strength additives, corrosion inhibitors, and electroconductive coatings.

Abstract: Curable mixtures of (a) epoxide compounds, (b) adducts containing mercapto groups, which adducts are produced by an advancement reaction of dimercapto compounds with diglycidyl compounds in an amount less than the equivalent amount, and (c) carboxylic anhydrides. The curable mixtures are suitable as casting resin mixtures, particularly for producing moulded articles of large volume.

Abstract: The instant invention relates to compositions containing both amino groups and hydroxyl and/or mercapto groups. The products are obtained by reacting relatively high molecular weight polyols and/or polythiols with less than equivalent quantities of isatoic acid anhydride in two reaction stages.

Abstract: This invention relates to a resinous composition curable to an insoluble and infusible resin, which comprises: (i) a compound having at least 2 or more unsaturated cycloacetal groups per molecule, expressed by the formula, ##STR1## (ii) a compound having at least 2 or more mercapto groups (--SH) per molecule, said compound (i) and compound (ii) being mixed in the functional group ratio of 1 : 0.5 - 1.7 and the average total number of the unsaturated cycloacetal groups and mercapto groups being 4 or more.

Abstract: Hardenable mixtures ofA. 40 to 90% by weight of at least one aromatic polyfunctional cyanic acid ester,B. 10 to 60% by weight of at least one polymerizable olefinically unsaturated monomer and, optionally,C. 0.01 to 10% by weight, based on the sum of A) and B) of at least one hardening catalyst such as amines, Mannich bases and organic metal compounds. They are suitable for use as casting resins and as pourable sealing compounds for covering materials, for producing shaped articles, coatings, bonds, electrical insulations, as binders for fibre-reinforced plastics.

Abstract: This invention relates to polyenes containing at least two ethylenically unsaturated bonds per molecule formed by reacting in substantially stoichiometric amounts, (1) a primary diamine, (2) a member of the group consisting of a benzenoid-containing dianhydride, acid anhydride and anhydride acid halide and (3) an ethylenically unsaturated alcohol. The thus formed amide-acid polyene either per se or after being cured in combination with a polythiol in the presence of a free radical generator will, upon heating, imidize.

Abstract: A novel functional high polymeric substance having .alpha.,.beta.-unsaturated carboxylate group, which is obtained by reacting a liquid high polymeric substance containing carbon-to-carbon unsaturated double bond or a solution of said high polymeric substance with .alpha.,.beta.-unsaturated carboxylic acid and its derivative in the presence of pseudo halogen compound. A rubber composition suitable for sealant is obtained by compounding said functional high polymeric substance with a plasticizer and/or a filler.

Abstract: Aromatic sulfide/sulfone polymers of increased molecular weight are produced by contacting a dihalo aromatic sulfone, at least partially hydrated alkali metal sulfide, and an organic amide under polymerization conditions which produce a higher molecular weight aromatic sulfide/sulfone polymer. The use of at least one at least partially hydrated alkali metal sulfide other than lithium sulfide results in polymers of increased molecular weight having utility as coatings, films, molded objects, filaments, fibers, and the like.