Abstract: This invention relates to polyalkylenes which contain both halogen and ester groups, to the preparation thereof, and to the use thereof as pour depressants for fuel oils. This invention also relates to polyalkylene esters.

Abstract: This invention relates to polyalkylenes which contain both halogen and ester groups, to the preparation thereof, and to the use thereof as pour depressants for fuel oils. This invention also relates to polyalkylene esters.

Abstract: The total solids and viscosity of high solids coating compositions containing hydroxyl functional acrylic copolymer base resins are decreased by incorporating up to about 30% by weight of a mixture of reactive diluents. The reactive diluents are a mixture of a reactive acrylic oligomer and a polycaprolactone hexol.

Abstract: Oligomers formed by reacting polybutadiene and phenoxyphenyl components are cross-linked to form resins which are thermoplastic in nature, resist attack by organic solvents, and are shapable at temperatures of about 400.degree. F. The oligomers may be used to impregnate materials, such as fabrics, to form resin composites which are also thermoplastic and solvent resistant upon cross-linking.

Abstract: Shelf-stable, one-package aqueous latices, which are curable with or without the application of heat, consist essentially of an alkaline-curable, self-crosslinking emulsion polymer, selected organic metal salts, and water. The alkali, alkaline earth, or heavy metal salts of C.sub.1 -C.sub.6 organic acids (e.g., sodium acetate) are post-added to th polymer emulsion or present during the polymerization. The polymer typically comprises about 90-99.9% by weight of one or more vinyl polymerizable monomers (e.g., acrylates, vinyl esters, and ethylene) and 0.1-10% by weight of a polymerizable non-ionic or cationic self-crosslinking monomer containing halohydrin groups (e.g., 3-chloro-2-hydroxypropyl (meth)acrylate or the reaction product of epichlorohydrin and N,N-dimethylaminopropyl methacrylamide or methacrylate).

Abstract: The improved polymeric hydrogel suitable for use in forming soft contact lenses is described. The hydrogel is improved by means of its resistance to the formation of calcium, lipid and protein deposits thereon. This resistance is achieved by means of covalent modification of the hydrogel with a surfactant.

Abstract: This invention relates to polyalkylenes which contain both halogen and ester groups, to the preparation thereof, and to the use thereof as pour depressants for fuel oils. This invention also relates to polyalkylene esters.

Abstract: This invention relates to polyalkylenes which contain both halogen and ester groups, to the preparation thereof, and to the use thereof as pour depressants for fuel oils. This invention also relates to polyalkylene esters.

Abstract: The present invention relates to surface coating binders which are self-crosslinking when heated and are based on resin-like polyadducts, polycondensates or polymers. These binders have a mean molecular weight M.sub.n of from 500 to 10,000 and contain, on average per molecule, at least two groups of the general formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are identical or different and are each hydrogen or a methyl or ethyl radical, and additionally contain hydroxyl and/or primary and/or secondary amino groups and may or may not contain tertiary amino groups.They can be prepared by reacting appropriate resins containing primary amino groups with cyclic carbonates, and can be used, in solution in an organic solvent, as baking finishes, as well as for the preparation of cathodic electrocoating finishes.

Abstract: This invention relates to polyalkylenes which contain both halogen and ester groups, to the preparation thereof, and to the use thereof as pour depressants for fuel oils. This invention also relates to polyalkylene esters.

Abstract: This invention relates to polyalkylenes which contain both halogen and ester groups, to the preparation thereof, and to the use thereof as pour depressants for fuel oils. This invention also relates to polyalkylene esters.

Abstract: Novel copolymers having a weight average molecular weight of 500 to 5,000,000 and comprising 1 to 99% by weight of a recurring unit represented by the formula (I), 1 to 99% by weight of a recurring unit represented by the formula (II) and 0 to 98% by weight of a recurring unit represented by the formula (III): ##STR1## wherein R.sup.1 is a hydrogen atom or a methyl group; X is a hydrogen atom, a methyl group or a phenyl group; Y is a hydrogen atom, a halogen atom, a methyl group, a phenyl group or a cyano group; and Z is a phenyl group, a phenyl group substituted by at least one alkyl group having 1 to 8 carbon atoms, a polycyclic aromatic hydrocarbon group having 10 to 20 carbon atoms, a cyano group, --COOR.sup.2 (in which R.sup.2 is an alkyl group having 1 to 20 carbon atoms or an aromatic hydrocarbon group having 6 to 14 carbon atoms), --COR.sup.3 (in which R.sup.

Abstract: A hydrophilic modified diene polymer material is produced by the steps of epoxidizing a diene polymer material consisting of at least one member selected from rubber polymers which have a molecular weight of 10,000 or more and contain an 85 molar % of more 1,4-addition structure based on the entire molar amount of double bonds contained therein, and crystalline 1,2-polybutadiene polymers which have a melting point of from 60.degree. C. to 170.degree. C., and a reduced viscosity (nsp/c) of 0.2 or more determined in a tetrahydronaphthalene solution in a concentration of 200 mg/100 ml at a temperature of 100.degree. C.

Abstract: Pharmaceutical compositions comprising a pharmacologically active polypeptide and a pharmacologically or veterinarily acceptable amphipathic, non-cross-linked linear, branched or graft block copolymer, which has a minimum weight average molecular weight of 5,000, in which the hydrophobic component is biodegradable and the hydrophilic component may or may not be biodegradable, the composition being capable of absorbing water to form a hydrogel when placed in an aqueous, physiological-type environment; copolymers suitable for use in said compositions; and method for the manufacture of such copolymers.

Abstract: A process for grafting a hydrophilic polymer of a carboxylic acid or a salt thereof onto the surface of a natural rubber article by contacting said article in reaction inert solvent with a vinyl carboxylic acid anhydride and initiator, and subsequent washing and hydrolysis of anhydride groups to carboxylate groups and an article when prepared by the invention process.

Abstract: A method for modifying a rubber having an unsaturated carbon bond which comprises reacting the rubber with an organic compound represented by the general formula ##STR1## wherein --R represents a hydrocarbon group, and --X is --H, --CN or ##STR2## in which --Y represents an organic atomic grouping, in the presence of a Lewis acid to introduce an ester group. Optionally, the ester group introduced is converted into a carboxyl group by chemically treating the reaction product.

Abstract: Oil soluble viscosity index improving ethylene copolymers, such as copolymers of ethylene and propylene; and ethylene, propylene and diolefin; etc., are reacted or grafted with ethylenically unsaturated carboxylic acid moieties, preferably maleic anhydride moieties, and reacted with polyamines having two or more primary amine groups and a carboxylic acid component, preferably alkylene polyamine and alkenyl succinic anhydride such as polyisobutenyl succinic anhydride. Or the grafted ethylene copolymer can be reacted with already formed salts, amides, imides, etc. of said polyamine and acid component, preferably imides of alkylene polyamine and alkenyl succinic anhydride. These reactions can permit the incorporation of varnish inhibition and dispersancy into the ethylene copolymer while inhibiting cross-linking with resulting viscosity increase, haze or gelling.

Abstract: Lubricating oil dispersant VI improvers are made by grafting maleic anhydride to an ethylene/.alpha.-olefin-non-conjugated diene terpolymer in a hydrogen-treated mineral oil solvent using a free radical and then reacting the grafted intermediate with an amine containing only one primary amine group, 1-6 amino nitrogen atoms and 20-36 carbon atoms.

Abstract: An addition polymerizable UV stabilizer is prepared by reacting an isocyanatoalkyl ester of an addition polymerizable carboxylic acid (such as 2-isocyanatoethyl methacrylate) with an UV stabilization functionality bearing an active hydrogen moiety which is reactive with the isocyanate (such as 2-hydroxy-4-(2-hydroxyethoxy)benzophenone).

Abstract: A process for producing a carboxyl group-containing fluoropolymer comprises reacting a hydroxyl group-containing fluoropolymer in an organic solvent with a dibasic acid anhydride represented by the general formula ##STR1## where R represents a bifunctional organic group, to convert at least a part of hydroxyl groups into ester groups represented by the general formula ##STR2## where R is as defined above.

Abstract: A diene rubber composition comprising as a main rubber component an elastomeric polymer having a glass transition temperature of not less than -50.degree. C. selected from the group consisting of a butadiene homopolymer and a copolymer of butadiene and an aromatic vinyl compound, said elastomeric polymer being one prepared by a solution polymerization method and not less than 40% by weight to less than 65% by weight of the polymer chains thereof being branched polymer chains formed by coupling the polymer molecules with each other with a trifunctional or tetrafunctional coupling agent. The composition has excellent rolling resistance characteristic, wet grip characteristic, processability, tear strength and tackiness, and is suitable particularly for use in the tread portion of tires.

Abstract: This invention relates to polyalkylenes which contain both halogen and ester groups, to the preparation thereof, and to the use thereof as pour depressants for fuel oils. This invention also relates to polyalkylene esters.

Abstract: High- and medium density polyethylene compositions become extrudable and cross-linkable during the extrusion step by incorporating therein a free radical generator and an additive for plasticizing the polyethylene composition, at a relatively low extrusion temperature insufficient to decompose the free radicals generator, consisting of a C.sub.14 to C.sub.24 n-alkyl acrylate polymer having an average molecular weight by number of from 500 to 50,000, used in a proportion from 0.5 to 10% by weight.

Abstract: A novel crosslinkable polyethylene resin composition which can be readily crosslinked rapidly is provided. The composition comprises a copolymer consisting essentially of ethylene and a specific unsaturated silane compound having a (meth)acrylate group as a copolymerizable group and a methoxy group as a hydrolyzable group, and an effective amount of a silanol condensation catalyst.

Abstract: Novel organic polymers have a chain carrying active groups, a hydroxyl, alkoxy, halogen, thiol or sulphide group or a second active group being attached as a substituent to a carbon which is in the alpha position with respect to that carrying the first active group. The preparation of these polymers is advantageously effected using polymers carrying epoxide bridges, which are opened by the action of an active cosmetological or other active compound. These polymers are particularly suitable for the protection of the skin against solar radiation, as creams or gels for the skin and for the hair and/or as pigments.

Abstract: A polyol resin is disclosed which is obtained by reacting 95 to 40% by weight of an aromatic vinyl monomer-allyl alcohol copolymer with 5 to 60% by weight of .epsilon.-caprolactone or .epsilon.-hydroxycaproic acid. The polyol resin can be reacted with a crosslinking agent to form a coating film.

Abstract: The present invention provides a process for cross-linking non-polar polymers in a high-frequency electric alternating field with the use of a peroxide as cross-linking agent, wherein the cross-linking agent used is a peroxide of the general formula: ##STR1## in which R.sup.1 is a hydrogen atom, an alkyl radical containing up to 4 carbon atoms or a phenyl radical optionally substituted by halogen atoms or alkyl radicals containing up to 4 carbon atoms;R.sup.2, R.sup.3, R.sup.4 and R.sup.5, which can be the same or different, are hydrogen atoms or, together with the carbon atoms to which they are attached, represent o-phenylene radicals;A is a straight-chained or branched alkylene radical containing up to 5 carbon atoms or a straight-chained or branched alkylene radical containing up to 5 carbon atoms or a phenylene radical and;R.sup.6 is a hydrogen atom or a radical of the general formula ##STR2## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 are identified as above.

Abstract: Coating compositions capable of liquid application to substrates consist essentially of a curable film forming polyol-containing component and an organic reactive diluent. The reactive diluent is an organic compound containing a primary or secondary hydroxyl group and further characterized by having a retained solids value of greater than about 80 percent, a hydroxyl equivalent weight of from about 180 to about 800, and a liquid viscosity of less than about 10 poise at 60.degree. C. The coating compositions can be formulated to contain little or no volatile organic solvent and/or water.

Abstract: Thermosetting resin coatings are provided which cure rapidly and exothermically at ambient temperatures. Accelerated crosslinking is accomplished by the reaction of oxalic acid esters with amine-containing polymeric compositions.

Abstract: Polymeric polydonor complexons having more than six sites in a structural unit are described. The complexons are of the formulae: ##STR1## wherein P is a linear or three-dimensional polymeric skeleton, x is oxygen or an ##STR2## group wherein R is hydrogen, an alkyl group of 1-6 carbon atoms, a phenyl group or a substituted phenyl group. The described complexons are obtained by reaction of a polymeric compound of the formula P --XH wherein P and X are as defined above with a dianhydride of the corresponding complexon in the presence of a tertiary amine and, optionally, an inert solvent.

Abstract: Haze-free, clear, impact-resistant resinous copolymers are produced by coupling polymer-lithium with a mixture of coupling agents wherein one is a lactone such as butyrolactone and the other is a halo-silane such as phenyltrichlorosilane. The combination of coupling agents reduces haze, yet maintains clarity and impact resistance of the resulting coupled polymer.

Abstract: Clear, haze-free, colorless, impact-resistant resinous copolymers are produced by terminating the coupled polymer-lithium with water and linear saturated aliphatic dicarboxylic acids selected from C.sub.2, C.sub.3, and C.sub.5 to C.sub.16 acids.

Abstract: An electroconductive resin composite material for molding having excellent mechanical strength and electrical properties. The resin comprises 100 parts by weight of polypropylene, from 10 to 50 parts by weight of a modified polypropylene obtained either by chemically modifying polypropylene with an organic unsaturated carboxylic acid or by copolymerizing propylene and the organic unsaturated carboxylic acid, from 5 to 65 parts by weight of carbon fiber having a diameter of 5 to 20 micrometers, the ratio of length to diameter of the fiber being not less than 10, and from 5 to 65 parts by weight of electroconductive carbon black, the specific surface area being at least 800 m.sup.2 /g.

Abstract: A thermosetting coating composition with enhanced flexibility and impact strength and excellent weatherability adapted for use as an automotive topcoat which upon curing forms a hard, glossy, durable coating. The coating composition comprises:(A) a modified hydroxy acrylic copolymer which is the stepwise reaction product of:(i) a copolymer bearing pendant hydroxyl groups and having a number average molecular (M.sub.n) of between about 1000-5000,(ii) a dicarboxylic acid anhydride comprising at least about 50 percent by weight of an alkyl hexahydrophthalic anhydride, and(iii) a monoepoxide functional monomer comprising at least about 90 percent by weight of a C.sub.2 -C.sub.10 monoepoxide functional monomer;(B) an amine-aldehyde crosslinking agent;(C) optionally a hydroxy functional additive; and(D) solvent.

Abstract: Homopolymers of glycidyl methacrylate (GMA) and copolymers of GMA with other methacrylate comonomers; their preparation employing an anionic initiator which is the adduct of a selected organo(alkali metal) compound and at least one mole of methyl methacrylate or another lower alkyl methacrylate; as well as solvolyzed forms of the GMA polymers.

Abstract: A safe, dry and free-flowing solid peroxide/unsubstituted or alkyl substituted benzoic acid composition is prepared by mixing the solid peroxide, such as diacyl peroxide, dialkyl peroxydicarbonate, dialkyl peroxide or alkylidene diperoxide, which melts above 30.degree. C., with solid benozic acid or an alkyl substituted benzoic acid, which melts above 40.degree. C. This solid peroxide composition is used as an initiator for the polymerization of ethylenically unsaturated monomers, such as styrene, and for curing of unsaturated polyester resins and diethylene glycol bis(allyl carbonate). This solid peroxide composition exhibits improved safety characteristics such as delayed ignition times when in contact with a flame and increased thermal stabilities compared to similar prior art peroxide formulations.

Abstract: Organotin polymers for use in marine anti-fouling paints contain pendent groups having the general formula --O.CO.R.sup.1 CO.OSnR.sub.3 where R is C.sub.1 to C.sub.10 alkyl, aryl, aralkyl or alkaryl, and R.sup.1 is a saturated or unsaturated aliphatic or aromatic C.sub.2 to C.sub.10 group. The polymer may be made by reacting a hydroxyl-containing polymer, e.g. styrene/allyl alcohol, with a carboxylic acid anhydride under ring-opening conditions and reacting the resulting carboxyl-containing polymer with an organotin compound.

Abstract: A hydrophilic polymer shaped article adapted for use as a soft contact lens is treated to provide at least on the surfaces thereof a modified, less hydrophilic polymeric structure inhibiting penetration by proteins and other substances in the eye environment, whereby development of clouding and discoloration of the lens material during use is significantly retarded.

Abstract: Conjugated diene homo- or copolymers having chemically bound antioxidant functional groups are prepared by the reaction of polymer-alkali metal with certain antioxidants containing a functional group reactable polymer-alkali metal, providing both coupling and bound anti-oxidant groups. These polymers having antioxidant functional groups chemically attached into the polymer chain have better aging stability than similar polymers containing non-bound antioxidants.

Abstract: Emulsifiable ethylene containing low viscosity polyolefin waxes having improved properties are provided by reacting low viscosity ethylene containing polyolefin waxes having less than 0.1 percent unsaturation with an unsaturated polycarboxylic component and an amount of peroxide added incrementally during the reaction wherein the weight ratio of unsaturated polycarboxylic component to peroxide is about 1/1 to less than about 5/1.

Abstract: Polyfunctional viscoelastic liquid compounds having molecular weights of at least 25,000 and preferably from 40,000 to 10 million comprise vinyl polymers having adducted thereon a plurality of groups, the same or different, the adducted groups having the general formula--CO--(CR.sub.2).sub.z --0--.sub.n Hwherein R represents a low molecular weight organic radical or, preferably, hydrogen, the total number of carbon atoms in all occurrences of R not exceeding 12, z represents a whole number from 4 to 8, preferably 5, and n represents on average, a number from, preferably, 0.5 to 300 per vinyl unit of the vinyl polymer. The compounds are soluble in a wide range of organic solvents and can find applications in adhesives, tackifiers, and fillers such as mastics, putties and like compositions.

Abstract: A nitrogen-containing composition, useful as a detergent for gasoline, is obtained by reacting at least one unsaturated anhydride with at least one olefin to convert 20-80% of the anhydride and thereafter reacting the resultant product with a polyamine of the general formulaH.sub.2 N--[(--CH.sub.2 --)--.sub.n NH].sub.m R.sup.7wherein R.sup.7 is a monovalent aliphatic radical of 6-30 carbon atoms, n is an integer from 2 to 5 and m is an integer from 1 to 10.

Abstract: Improved powder coating compositions are disclosed which comprise a particulate mixture of (1) a qualitatively difunctional copolymer of about 5 to about 20 weight percent of a glycidyl ester of a monoethylenically unsaturated acid, about 2 to about 10 weight percent of difunctional monomers selected from C.sub.5 -C.sub.7 hydroxyalkyl acrylates and C.sub.5 -C.sub.7 hydroxyalkyl methacrylates, and about 70 to about 93 weight percent monoethylenically unsaturated monomers consisting essentially of monfunctional monomers selected from the group consisting of esters of a C.sub.1 -C.sub.8 monohydric alcohol and acrylic acid, esters of a C.sub.1 -C.sub.8 monohydric alcohol and methacrylic acid and C.sub.8 -C.sub.12 monovinyl hydrocarbons, and (2) an anhydride crosslinking agent selected from the group consisting of monomeric anhydrides of dicarboxylic acids and homopolymers of monomeric anhydries of dicarboxylic acids, the same being present in an amount such as to provide about 0.3 to about 1.

Abstract: A liquid for setting dental cements is provided, in which an aqueous solution of a copolymer of acrylic and maleic acids contains a tetrahydrofurantetracarboxylic acid alone or in combination with at least one of tartaric acid, a fluorocomplex salt and a specific organic carboxylic acid. The specific organic carboxylic acid is expressed by the general formula:C.sub.m H.sub.n (COOH).sub.x (OH).sub.

Abstract: A polyperoxyketal having at least one carboxy group--an acid, hydrocarbon ester, a metal ion, or as part of an anhydride. Illustrations are: n-Butyl .gamma.,.gamma.-bis-(t-butylperoxy) valerate and Barium .gamma.,.gamma.-bis(t-butylperoxy) valerate. These polyperoxyketals are vulcanizing agents for thermoplastic polymers such as rubber and ethylenepropylene rubber.

Abstract: A method is provided for producing block copolymers of a lactone and a conjugated diene and/or a monovinylarene, in which the lactone polymerization step is terminated by addition of water, a mineral acid or a carboxylic acid.

Abstract: Improved powder coating compositions are disclosed which comprise a particulate mixture of (1) a qualitatively difunctional copolymer of about 5 to about 20 weight percent of a glycidyl ester of a monoethylenically unsaturated acid, about 2 to about 10 weight percent of a C.sub.5 -C.sub.7 hydroxyalkyl acrylates and C.sub.5 -C.sub.7 hydroxyalkyl methacrylates, and about 70 to about 93 weight percent monoethylenically unsaturated monomers consisting essentially of monofunctional monomers selected from the group consisting of esters of a C.sub.1 -C.sub.8 monohydric alcohol and acrylic acid, esters of a C.sub.1 -C.sub.8 monohydric alcohol and methacrylic acid and C.sub.8 -C.sub.12 monovinyl hydrocarbons, and (2) a crosslinking agent consisting of C.sub.4 -C.sub.20 saturated, straight chain, aliphatic, dicarboxylic acid, said crosslinking agent being present in an amount sufficient to provide about 0.8 to about 1.1 carboxyl groups per functional group (epoxy and hydroxy groups) on said copolymer.

Abstract: This invention relates to a process for controlling viscosity during the preparation of modified or grafted low viscosity polyethylene and ethylene/alpha olefin waxes comprising reacting the low viscosity waxes with an unsaturated polycarboxylic component in the presence of a free radical source and at least one viscosity stabilizer.

Abstract: Improved powder paint compositions are disclosed which comprise a particulate mixture of (1) a qualitatively difunctional copolymer of about 5 to about 20 weight percent of a glycidyl ester of a monoethylenically unsaturated acid, about 2 to about 10 weight percent of C.sub.5 -C.sub.7 hydroxyalkyl acrylates and/or C.sub.5 -C.sub.7 hydroxyalkyl methacrylates, and about 70 to about 93 weight percent monoethylenically unsaturated monomers consisting essentially of monofunctional monomers selected from the group consisting of esters of a C.sub.1 -C.sub.8 monohydric alcohol and acrylic acid, esters of a C.sub.1 -C.sub.8 monohydric alcohol and methacrylic acid and C.sub.8 -C.sub.12 monovinyl hydrocarbons, (2) a C.sub.4 -C.sub.20 saturated, straight chain, aliphatic dicarboxylic acid which is present in an amount that provides about 0.1 to about 0.6 carboxyl group per functional group on said copolymer, and (3) a polyanhydride, i.e.

Abstract: A composition comprising a polymer having a processing temperature of at least 200.degree. and from about 0.1 wt % up to about 30 wt % of crosslinking agent said crosslinking agent comprising a compound of the formula ##STR1## wherein X is hydrogen and Y is ##STR2## and X and Y are substituents on adjacent carbon atoms of A or wherein X and Y together form the imide ring system ##STR3## which is joined to A on adjacent carbons atoms, thereof, wherein A is an aromatic, heteroaromatic, alicyclic, or heterocyclic system or an open chain aliphatic moiety, where R is vinyl, allyl, methallyl or propargyl and wherein R' is hydrogen, C.sub.1 to C.sub.12 alkyl or R and mixtures thereof.Compounds per se and articles manufactured from the above-indicated polymer composition are also taught.