Abstract: Poly (ethylene oxide) monofilaments together with their preparation and use are disclosed. The monofilaments are characterized in part by their properties which are useful for weaving or sewing and by their solubility in a wide variety of solvents including water at room temperatures. The monofilaments of the invention are useful in weaving as temporary binder yarns and as basting threads.

Abstract: A catalyst system comprising (I) an organoaluminum compound, (II) an organophosphine compound, and (III) a metal salt of a beta-diketone, is effective to homopolymerize an alkene oxide, homopolymerize an ester of acrylic or methacrylic acid or certain other vinyl monomers, or to copolymerize an alkene oxide with an ester of acrylic or methacrylic acid or certain other vinyl monomers. Suitable vinyl monomers include vinyl esters, vinyl ethers, or vinyl ketones.

Abstract: The agents comprise a mixture of(A) an adduct of a polyethylenepolyamine or a polypropylenepolyamine with an aliphatic or aromatic diglycidyl ether and(B) an aminoalcohol containing at least two aliphatic amino-hydrogen atoms, especially an adduct of a poly(aminoamide) with certain monoepoxides.(A) has the formula ##STR1## and (B) the formula ##STR2## where R.sup.1 represents a C.sub.2 -C.sub.60 hydrocarbon radical having amino or amido nitrogen in the chain, optionally substituted by amino or alcoholic hydroxy groups, being such that (B) contains at least two aliphatic amino-nitrogen hydrogen atoms,R.sup.2 represents ##STR3## R.sup.3 represents the residue (mol. weight 56 to 5,000) of an at least dihydric alcohol or phenol,P is an integer of average value 1 to 1.5,q is an integer of 1 to 5,R.sup.4 represents a hydrogen atom, C.sub.1 -C.sub.3 alkyl, phenyl, cresyl, chlorophenyl group, or a group R.sup.5 OCH.sub.2 --,R.sup.5 represents a C.sub.1 -C.sub.

Abstract: The disclosed coating system comprises a curable liquid epoxide and an amine hardener or co-curative. The amine co-curative comprises a blend of an aliphatic amine (e.g. trimethyl hexamethylene diamine) and a cycloaliphatic amine (e.g. cyclohexane-bis[methylamine]). This coating system, when suitably combined with a reflectorizing material, has the ability to satisfy some or all of the very troublesome requirements of a highway marking or striping composition and is therefore useful in methods for marking or striping paved surfaces.

Abstract: Water insoluble polycaprolactone-epoxide adducts are produced comprising the reaction product of a polycaprolactone polyol, a diepoxide and an anhydride of a polycarboxylic acid. The polycaprolactone polyol reacted with the diepoxide and the anhydride of the polycarboxylic acid has at least two hydroxyl groups in the molecule, a hydroxyl number of from about 15 to about 600 and an average molecular weight of from about 290 to about 6,000. The carboxylic acid anhydride has at least one intramolecular carboxylic anhydride group. These water insoluble polycaprolactone-epoxide adducts on reaction with an inorganic or organic base produce water soluble, carboxyl modifier polycarprolactone-epoxide oligomer addition reaction products which are eminently suitable for the production of aqueous coatings compositions. Exceptionally good coatings compositions are obtained when a crosslinker is present in the coating composition.

Abstract: A vulcanizable composition which comprises epichlorohydrin rubber and at least one amino acid selected from the group consisting of arginine, lysine, hydroxylysine, ornithine, asparagine, glutamine and citrulline.

Abstract: A normally solid biodegradable hydrolyzable polyester resin of diglycolic acid and an unhindered glycol having a molecular weight sufficiently high so as to provide a polymeric material possessing self-supporting film forming properties and the process of preparing the same and the use of the polymeric material as a device for the controlled continuous administration of a predetermined dosage of a drug to a living animal.

Abstract: A cured or uncured composition of a homopolymer or copolymer of an epihalohydrin comprising a homopolymer or copolymer of an epihalohydrin, a curing amount of a curing agent therefor and an acid acceptor, characterized in that the curing agent and acid acceptor are free from a cyclic carboxylic acid anhydride and consist, based on 100 parts by weight of the epihalohydrin homopolymer or copolymer, of(a) a component selected from the group consisting of 1 to 200 parts by weight of an acid salt of 1 mole of a polybasic carboxylic acid with 1 mole of 1,8-diazabicyclo(5,4,0)undecene-7 and a mixture of 1 to 200 parts by weight of a polybasic carboxylic acid and 1 to 10 parts by weight of a neutral salt of 1,8-diazabicyclo(5,4,0)undecene-7, and(b) 1 to 20 parts by weight of a specific metal compound of Group II and Group IVa of the periodic table of elements.

Abstract: Polymers, particularly useful as flame-proofing agents, are prepared by the reaction of a bis-epoxide with a phosphorus-containing bispiperazide.

Abstract: Glycidyl ethers prepared from the reaction of 3,3',5,5'-tetraalkyl-4,4'-dihydroxybiphenyl and halohydrin form upon curing resins having high heat distortion temperatures. The ethers have utility in the manufacture of powder coatings, adhesive compositions, laminates and molding compositions.

Abstract: An improved process for polymerization of lactones or mixtures of lactones in the presence of an initiator and a catalyst is disclosed wherein the initiator is an organic compound having at least one non-cyclic ester group and having no reactive hydrogen substituents. A polyester having blocked end groups is produced.

Abstract: The invention disclosed herein relates to novel partially cross-linked, fully quaternized poly-[(methylimino)trimethylene] polymers wherein a minor proportion (1% to 20%) of the nitrogen atoms in adjacent poly-[(methylimino)trimethylene] linear chains are, by quaternization, joined through trimethylene or 2-hydroxy-trimethylene bridges, the non-cross-linked nitrogens in the said linear chains being fully quaternized with lower alkyl or trialkylammoniopropyl groupings; and to the novel process for preparing these partially cross-linked, fully quaternized polymers which comprises reacting poly-[(methylimino)trimethylene] with 0.01 to 0.2 equivalents of 1,3-dihalo-propane or 1,3-dihalo-2-hydroxypropane per equivalent of tertiary amine in said poly-[(methylimino)trimethylene], and subsequently reacting the resulting product with excess alkyl halide or 3-halopropyltrialkylammonium halide.

Abstract: Hydantoin diglycidyl compounds of the formula ##STR1## wherein R.sub.1 is hydrogen, alkyl containing 1 to 8 carbon atoms or cycloalkyl containing 5 to 6 carbon atoms; and R.sub.2 is alkyl containing 5 to 8 carbon atoms or cycloalkyl containing 5 to 6 carbon atoms, are prepared. The diglycidyl compounds are liquid at room temperature, easily processable as casting and laminating resins and when cured possess excellent resistance to water.

Abstract: Poly(orthoester) co- and homopolymers and poly(orthocarbonate) co- and homopolymers comprising (1) a repeating dioxycarbon unit in the polymeric backbone having a plurality of organic groups pendant therefrom, and (2) a bridging moiety having at least one carbonyloxy group contained therein are disclosed. The polymers are represented by the formula: ##STR1## wherein R is a bridging moiety and is either R.sub.1 or R.sub.2 arranged in a random manner along the polymeric backbone to form a copolymer containing both R.sub.1 and R.sub.2 with R.sub.1 an aliphatic, an alicyclic or an aromatic group and R.sub.2 is a ##STR2## GROUP WITH R.sub.1 as defined and R.sub.3 an aliphatic, an alicyclic or aromatic group, or wherein R is a bridging moiety and is only R.sub.2 to form a homopolymer with R.sub.1, R.sub.2 and R.sub.3 as defined above, and a is 0 to 1, b is 2 to 6, and n and the sum of x and y are positive integers.

Abstract: A method comprisingI. reacting isocyanate groups in an organic polyisocyanate by anhydrous reaction with a chemically equivalent amount of primary hydroxyl-containing material, at least about 50 mole % of which material is one or a mixture ofA. allyl alcohol, orB. at least one C.sub.2-4 hydroxyalkyl ester of acrylic or methacrylic acid, to form a water-resistant adduct of said polyisocyanate with said material, andIi. intimately dispersing said adduct, in the form of a water insoluble liquid phase, into an aqueous liquid medium containingA. an anionic or cationic oil-in-water functioning emulsifying agent, in the presence ofB. an aliphatic hydrocarbon or hydrocarbyl alcohol which is inert, non-volatile, water insoluble, liquid, and contains a terminal aliphatic hydrocarbyl group of at least about 8 carbon atoms; homogenizing the resulting crude emulsion to reduce the average size of the dispersed phase particles to below 0.5 .mu.

Abstract: The invention has now been made that polychlorinated 1,3- and 1,4-benzene diamines produce cured epoxy resins with better moisture resistance, and higher glass transition temperatures on exposure to high humidity, than known aromatic diamine curing agents. The resulting cured epoxy resins are useful in fibrous composites, structural adhesives and coatings, where high heat distortion and good moisture resistance is desired.

Abstract: A cured or uncured composition of homo- or copolymer of epihalohydrins comprising a homo- or copolymer of an epihalohydrin, curable amounts of a curing agent therefor and an acid acceptor, characterized in that said curing agent and acid acceptor consist, on the basis of 100 parts by weight of said homo- or copolymer of epihalohydrin, of (a) 0.1 - 10 parts by weight of a cyclic carboxylic acid anhydride, (b) 0.1 - 10 parts by weight of a compound selected from the group consisting of 1,8-diazabicyclo(5,4,0)undecene-7 and salts thereof, and (c) 0.

Abstract: Rapid curing polyepoxide compositions comprise (1) a polyepoxide, and (2) a curing composition comprising (a) a liquid organic dibasic acid and (b) a tertiary amine such as benzyldimethylamine.

Abstract: Rapid curing polyepoxide compositions comprise (1) a polyepoxide, (2) a liquid organic dibasic acid and (3) an imidazole compound.

Abstract: High molecular weight temperature-resistant polymers of polytriazine structure obtained by heating cyanamides of the formula Ir -- (nh-cn).sub.nin which R represents an aliphatic, cycloaliphatic, heterocyclic or aromatic radical, optionally interrupted by oxygen and n is a number from 2 to 5, with polyfunctional, aromatic cyanic acid esters into a fusible or in organic solvents soluble polymeric N-cyano-isourea ether and completing the reaction at elevated temperatures and optionally in the presence of a catalyst to form said polymer of polytriazine structure.