Abstract: Disclosed is a solvent based coating composition comprising at least one vinyl polymer and an organic solvent, wherein said vinyl polymer(s) has at least one group consisting of an active hydrogen-containing group and a substituted acylamide group, and said vinyl polymer(s) contains the above described two groups as a whole.

Abstract: Resin compositions having excellent heat resistance, izod impact strength, rigidity and dimensional resistance and the like, applied in the fields of the automobile, electric and electronic, and the like industries. The resin composition comprising: a) a resin in which 30 to 98 mole % of the component (I) are contained in the whole polymer and 70 to 2 mole % of the component (II) are contained in the whole polymer, its weight-average molecular weight converted into that of polystyrene being 1.times.10.sup.3 or more to 5.times.10.sup.6 or less, and b) an olefin resin; then the a)/b) content being 5/95 to 99/1 as a weight ratio, ##STR1## wherein R.sub.1 is an alkyl group having 1 to 18 carbon atom(s) or a cycloalkyl group having 3 to 12 carbon atoms; and ##STR2## wherein R.sub.2 is hydrogen or an alkyl group having 1 to 8 carbon atom(s), and R.sub.3 and R.sub.4 is an alkyl group having 1 to 8 carbon atoms.

Abstract: Thermosetting composition comprises a compound having in the molecule two or more carboxyl groups blocked by a vinyl ether compound, a vinyl thioether compound or a hetero compound having a vinyl type double bond and oxygen or sulfur as the hetero atom, a compound having two or more reactive functional groups which can form a chemical bond with the blocked carboxyl compound by heating, a specific vinyl ether or vinyl thioether and a thermal latent acid catalyst. The blocked carboxyl group of the first compound and the reactive functional group of the second compound may be comprised in the same molecule. The thermosetting composition gives cured products having excellent chemical properties, physical properties, weathering resistance and storage stability and is advantageously utilized for coating compositions, ink, adhesive and molded plastics.

Abstract: The present invention provides grafted polymers that have pendent functional groups on the core of the polymer wherein the core is a polymerized alkylmethacrylate having a number average molecular weight from 500 to 1,000,000. The arms of the grafted polymer comprise anionically polymerized segments that have number average molecular weights from 1,000 to 300,000.

Abstract: Copolymers are composed ofa) from 0.01 to 40% by weight of a copolymerized ethylenically unsaturated compound having at least one isocyanate group blocked with an oxime,b) from 30 to 99.99% by weight of at least one C.sub.1 -C.sub.20 -alkyl (meth)acrylate, one vinyl ester of carboxylic acids of 1 to 20 carbon atoms, one vinylaromatic of up to 20 carbon atoms, one ethylenically unsaturated nitrile of 3 to 6 carbon atoms, one vinyl halide or one nonaromatic hydrocarbon of 4 to 8 carbon atoms having at least 2 conjugated double bonds,c) from 0 to 30% by weight of at least one comonomer having at least one keto or aldehyde group andd) from 0 to 50% by weight of at least one further monomer.

Abstract: Vulcanizable rubber compositions are disclosed which contain co-activator of vulcanization which is a polymeric amine, that is, a hydrocarbon polymer with pendent alkyl amine groups. The co-activators impart increased rates of vulcanization with little decrease in scorch delay and very little increase in the modulus of the cured compositions. No increase in heat build-up or decrease in flex-fatigue life is shown. Typical polymers forming the backbone of the co-activators include EPDM rubber and polymers from butadiene or isoprene, with optional co-monomers.

Abstract: Polymer blends of a) polymers containing predominantly mers of (meth)acrylates and/or glutarimides with b) up to about 40 weight percent of polymers having greater than about 50 tool % vinyl alcohol mers exhibit useful barrier properties to oxygen and other environmental gases, while maintaining or enhancing physical properties and clarity.

Abstract: An aqueous-developable article is made from a photosensitive prepolymer made by reacting together (a) maleated alkadiene polymer or copolymer, (b) hydroxyalkyl(meth)acrylate or hydroxy(polycaprolactone)acrylate, (c) polybutadiene diol or polyisoprene diol, and (d) monohydroxy-terminated thermoplastic polymer, such as monohydroxy-terminated polystyrene or monohydroxy-terminated polymethylmethacrylate, followed by hydrolysis and at least partial neutralization by reaction with a base, e.g. NaOH, to form an ionomer. When formulated with photoinitiator and (optional) unsaturated monomers, the ionomer is particularly useful in making photopolymer-based flexographic printing plates.

Abstract: Thermosetting composition is excellent in storage stability, useful as one component thermosetting composition, gives cured products having excellent chemical properties, physical properties and weathering resistance and is favorably utilized in coating compositions, ink, adhesive and molded plastics.The thermosetting composition comprises a compound having in the molecule two or more carboxyl groups blocked by a vinyl ether compound, a vinyl thioether compound or a hetero compound having a vinyl type double bond and oxygen or sulfur as the hetero atom, a compound having two or more reactive functional groups which can form a chemical bond with the blocked carboxyl compound by heating and optionally a thermal latent acid catalyst. The blocked carboxyl group of the first compound and the reactive functional group of the second compound may be comprised in the same molecule.

Abstract: New copolymers, mixtures thereof with poly(meth)acrylate esters and the use thereof for improving the cold fluidity of crude oils.Copolymers comprising as comonomers therein from 50 to 99.9% by weight of a C.sub.14 -C.sub.22 -alkyl(meth)acrylate and 50 to 0.1% by weight of a comonomer derived from a compound comprising a single polymerizable C.dbd.C group and these copolymers or their mixture with C.sub.14 -C.sub.22 -alkyl poly(meth)acrylates having enhanced pour point depressant properties.

Abstract: In order to increase the modulus properties of a rubber compound it is desirable to achieve control of the cure morphology within a rubber matrix. The placement of curatives in a rubber matrix can be controlled by incorporating the curatives into a carrier and mixing the carrier with a rubber compound. In a preferred embodiment, the carrier can be made having the morphology of a short fiber, and the curatives can be oriented like a short fiber.

Abstract: Novel addition polymers and copolymers derived from carbamate-functionalized vinyl monomers, and optionally one or more conventional vinyl monomers such as acrylonitrile and/or styrene, are disclosed. When the addition polymers or copolymers are melt processed with an elastomer containing moieties reactive with amines, novel addition polymer-rubber copolymers are formed which are useful as compatibilizers and impact modifiers in plastic blends, such as AES.

Abstract: The present invention relates generally to compositions of polyalkylene imine ("PAI"), particularly polyethylene imine ("PEI") and polyolefin polymer (including copolymers and derivatives thereof); such compositions can be used in producing packaging films for oil containing foods, whereby the film is capable of scavenging unwanted aldehydes from the food product. The preferred compositions comprise a PAI substantially discontinuous phase and a olefinic polymer (including copolymers or derivatives thereof) substantially continuous phase in a weight ratio of PAI to olefinic polymer of about 0.001-30:100 which optionally also includes a binding agent.

Abstract: An abrasion-resistant rubber composition comprises as rubber components (A) 30-95 wt. % of an end-modified butadiene polymer and (B) 70-5 wt. % of a diene rubber other than the end-modified butadiene polymer (A). The end-modified butadiene polymer (A) is obtained by reacting at least one compound to active terminals of a starting butadiene polymer having a trans 1,4 bond content of 70-95 wt. %. The at least one compound is selected from N-substituted aminoketones, N-substituted thioaminoketones, N-substituted amino-aldehydes, N-substituted thioaminoaldehydes and compounds containing in the molecules thereof an atomic group represented by the following formula: ##STR1## in which M stands for an oxygen or sulfur atom.

Abstract: A thermoplastic molding material which is made up of components A, B, C, and D. Component A comprises 10-90% of the composition and is a copolymer made up of 30-95% styrene; 4-40% (meth)acrylonitrile, methyl methacrylate, or maleic anhydride; 1-30% of a monomer described by formula in the specification, N-vinylimidazole or N-vinylcarbazole; and up to 40% of a copolymerizable ethylenically unsaturated monomer. Component B comprises 10-90% of the composition and is a copolymer made up of 50-99.9% of an alpha-olefin; 0.1-50% of a monomer containing acid groups; and up to 40% of a copolymerizable ethylenically unsaturated monomer. Component C comprises up to 80% of the composition and is a copolymer made up of 50-95% styrene and 5-50% (meth)acrylonitrile, methyl methacrylate or maleic anhydride. Component D comprises up to 80% of the composition and is made up of a polycarbonate. All percentages are by weight.

Abstract: A rubber composition comprises as rubber components (A) 30-95 wt. % of an end-modified styrene-butadiene copolymer and (B) 70-5 wt. % of a diene rubber other than the end-modified styrene-butadiene copolymer (A). The end-modified styrene-butadiene copolymer (A) is obtained by reacting at least one compound to active terminals of a starting styrene-butadiene copolymer containing butadiene moieties, the trans-1,4 bond content of which is 70-95 wt. %, and having a styrene content of 5-60 wt. %. The at least one compound is selected from N-substituted aminoketones, N-substituted thioaminoketones, N-substituted aminoaldehydes, N-substituted thioaminoaldehydes and compounds containing in the molecules thereof an atomic group represented by the following formula: ##STR1## in which M stands for an oxygen or sulfur atom. The diene rubber (B) has a glass transition temperature higher than -60.degree. C.

Abstract: The present invention provides a curable resin coating composition consisting essentially of:(i) a resin (A) containing .alpha.,.beta.-unsaturated carbonyl group and primary and/or secondary hydroxyl group, or(ii) a mixture of a resin (B) containing .alpha.,.beta.-unsaturated carbonyl group and a resin (C) containing primary and/or secondary hydroxyl group, and(iii) at least one curing catalyst selected from the group consisting of alkali metal alkoxides, metal hydroxides, organic acid salts of metals, quaternary ammonium hydroxides, quaternary phosphonium hydroxides, tertiary sulfonium hydroxides and organic acid salts of these onium hydroxides.

Abstract: Polymer blends of a) polymers containing predominantly mers of (meth)acrylates and/or glutarimides with b) up to about 40 weight percent of polymers having greater than about 50 mol % vinyl alcohol mers exhibit useful barrier properties to oxygen and other environmental gases, while maintaining or enhancing physical properties and clarity.

Abstract: Use of polymeric ammonium salts which have a molecular weight of about 5000 to about 500,000, and are obtained by homopolymerization of monomers, such as, for example, diallyldialkylammonium chloride, or by copolymerization of mixtures of two monomers, such as, for example, diethyldimethylammonium chloride and diallylmethyloctylammonium chloride, with molar monomer ratios of about 0.5:0.5 to about 0.95:0.05 in the copolymer, and if appropriate subsequent anion exchange, individually or in combination as charge control agents in electrophotographic toners and developers which are employed for copying or duplicating masters and for printing electronically, magnetically or optically stored information or in colorproofing, and as charge control agents in powders and powder coatings.

Abstract: Blends of styrene-butadiene rubber and PVC latices in a dry weight ratio of 45:10 to 55:70 are useful to form heat sealable films. The mixture does not contain plasticizers and thus reduces environmental concerns during processing. The resulting film have good clarity and flexibility and may be used to seal textiles, non-wovens and boards.

Abstract: Polymer blends of a) polymers containing predominantly mers of(meth)acrylates and/or glutarimides with b) up to about 40 weight percent of polymers having greater than about 50 mol % vinyl alcohol mers exhibit useful barrier properties to oxygen and other environmental gases, while maintaining or enhancing physical properties and clarity.

Abstract: Polymeric flame retardants comprise halogenated aromatic compounds having acylamino functional groups which are chemically bonded to cyclic imide-containing or imide-forming polymers or copolymers. The polymeric flame retardants are prepared by the reaction of halogenated aromatics containing a reactive hydrazido group with some or all of the anhydride groups of an cyclic alpha, beta-unsaturated dicarboxylic acid anhydride polymer or copolymer to form pendant halogenated-aromatic-substituted imide or amic acid groups. In addition, polymeric film retardants are used to render thermoplastic resins less flammable under conditions which promote combustion. Novel flame retardant hydrazides are disclosed.

Abstract: A powder coating composition comprises a component (A) containing carboxylic acid or anhydride functionality and a component (B) containing hydroxy functionality. The components (A) and (B) are both solids at temperatures up to 50.degree. C. and at least one of them is a synthetic resin having a glass transition temperature in the range 0.degree. to 120.degree. C. The carboxylic acid or anhydride-functional component (A) is a compound or polymer containing at least two cyclic carboxylic anhydride groups per molecule or is a compound containing a moiety of the formula: ##STR1## where X is a hydrogen atom or an alkyl group, or a cyclic anhydride thereof. The hydroxy-functional component (B) contains at least two hydroxy groups per molecule and contains at least one amine group in its molecule to catalyze the reaction of the carboxylic acid or anhydride groups of component (A) with the hydroxy groups of component (B).

Abstract: A methacrylic resin cast plate having an excellent antistatic property comprises (A) 100 weight parts of a polymer comprising 50 to 100 weight % of methyl methacrylate units and 0 to 50 weight % of copolymerizable monomer units and (B) 0.1 to 20 weight parts of a polymer comprising 20 to 100 weight & of units derived from a monomer having a quaternary ammonium base, which is represented by the formula (I): ##STR1## wherein R.sub.1 is H or CH.sub.3, R.sub.2 through R.sub.4 are H or (C1-9) alkyl which may have a substituent, m is from 1 to 10 and X.sup.- is an anion of a quaternizing agent, and 0 to 80 weight % of copolymerizable monomer units. The cast plate is obtained by polymerizing methyl methacrylate, a monomer mixture comprising at least 50 weight & of methyl methacrylate and up to 50 weight % of a copolymerizable monomer or a partial polymerization product thereof in the presence of the polymer (B).

Abstract: A thermoplastic composition is provided which comprises a blend of a thermoplastic such as a copolymer of styrene and maleic anhydride and a modified elastomeric component such as EPM or EPDM which has been modified with a primary amine functional monomer, such as a 2-amino-5-norbornene. The composition has improved impact strength.

Abstract: Disclosed is an antistatic thermoplastic resin composition comprised of (A) 100 wt.parts of a thermoplastic resin and (B) 0.1-40 wt.parts of a polymer comprising 20-100 wt. % of units an anionic monomer represented by the formula (I): ##STR1## wherein R.sub.1 is H or --CH.sub.3, A.sub.1 is ##STR2## in which n is 0, 1 or 2, ##STR3## in which B is an alkylene, arylene or aralkylene group which may have an ester bond, or ##STR4## in which B is as defined above and R.sub.6 is H or an alkyl group, or A.sub.1 is ##STR5## X is N or P, and R.sub.2, R.sub.3, R.sub.4 and R.sub.5 independently represent an alkyl, aryl or aralkyl group may have a substituent,and 80-0 wt. % of units of a copolymerizable vinyl or vinylidene monomer.

Abstract: Thermosetting coating compositions are based on thermosetting polymeric binder comprising a blocked sulfonic acid functional addition polymer of copolymerized monomers, including sulfonic acid monomer, adapted to coreact upon heating with amine crosslinker.

Abstract: The present invention provides a poly(alpha-ketoester) compound represented by the formula (1); ##STR1## wherein G is a residue of an active hydrogen-containing compound G--(X--H).sub.n, or an alkyl, aryl, aralkyl, alkenyl, alkynyl group having 3 to 20 carbon atoms which may contain oxygen or nitrogen atoms, or a polymeric compound residue, X is an oxygen atom or --CH.sub.2, n is an integer of 3 to 1,000, R.sub.1 is a hydrogen atom, a C.sub.1 -C.sub.5 alkyl group or an aryl group, and a production thereof.

Abstract: Water-processable screenprinting stencils and resists are based upon photopolymerizable systems in which the hydrogen donor compound is a modified polyvinylalcohol having pendant dialkylamino groups.

Abstract: A coating material for controlling drug release, useful for long acting formulations--e.g. for once-a-day administration, and to a long acting granular composition comprising a drug (especially one conventionally difficult to prepare in long acting form) coated with the coating material. This composition may be mixed with other granular drug formulations. The drug-release controlling coating material comprising, in a specific ration, one specific water-insoluble and low water-permeability polymers and two materials differing from each other in the pH-dependency of their solubility (pH-dependent polymer-materials).

Abstract: A rubber composition having excellent cut resistance and chipping resistance comprises 1-30 parts by weight of a particular resin obtained by reacting a particular hydroxyl group-containing cyclopentadiene resin with a compound selected from polyisocyanate and/or polybasic acid or its anhydride or ester at a particular equivalent ratio, based on 100 parts by weight of rubber.

Abstract: A rubber composition which gives a rubber vibration insulator having excellent low-temperature properties comprises as a main rubber component a blend composed of (a) 10 to 90 parts by weight of a tapered styrene/butadiene copolymer rubber which has an average bound styrene content of 10 to 40% by weight and a 1,2-bond content in the butadiene portion of at least 50% by weight and in which the bound styrene content increases or decreases in one direction along the copolymer molecular chain and (b) 90 to 10 parts by weight of natural rubber and/or synthetic polyisoprene rubber.

Abstract: Thermoplastic elastomer blends containing polyvinyl chloride having improved oil resistance and low compression set are made by blending a crosslinked nitrile rubber with a polyvinyl chloride-acrylate copolymer. The amount of nitrile rubber can vary over a wide range as from about 1 part to about 400 parts by weight for every 100 parts by weight of the polyvinyl chloride-acrylate copolymer. The polyvinyl chloride-acrylate copolymer has an inherent viscosity of from about 0.3 to about 4.0 and is made from a vinyl chloride monomer with an optional vinyl component comonomer and one or more acrylate monomers having the formula ##STR1## wherein R.sup.1 is an aliphatic, an aromatic, or combinations thereof, having from 1 to 18 carbon atoms, or a halogen derivative thereof, or hydrogen, and R.sup.

Abstract: Thermoplastic elastomer blends containing polyvinyl chloride having improved oil resistance, exceptionally low compression set and softness are made by mixing a polyvinyl chloride-acrylate copolymer with effective amounts of cured acrylate elastomers. The polyvinyl chloride-acrylate copolymer has an inherent viscosity of from about 0.3 to about 4.0 and is made from a vinyl constituent which is a vinyl chloride monomer with an optional vinyl component comonomer and one or more acrylate monomers having the formula ##STR1## wherein R.sup.1 is an aliphatic, an aromatic, or combinations thereof, having from 1 to 18 carbon atoms, or a halogen derivative thereof, or hydrogen, and R.sup.

Abstract: Adhesive compositions containing a polymeric additive which is polymerized from monomers selected from C.sub.1 -C.sub.20 alkyl and cycloalkyl acrylate, C.sub.1 -C.sub.20 alkyl and cycloalkyl methacrylate, free-radical polymerizable olefinic acids, and optionally other ethylenically unsaturated monomers wherein said polymeric additive has a number average molecular weight less than about 35,000 and a softening point greater than about 40.degree. C.

Abstract: Curable compositions which comprise:(i) an acid-functional compound having an average of at least two carboxylic acid groups per molecule; and(ii) an anhydride-functional compound having an average of at least two cyclic carboxylic acid anhdyride groups per molecule; and(iii) an epoxy-functional compound having an average of at least one epoxy group per molecule; and(iv) a hydroxy-functional compound having an average of at least two hydroxyl groups per molecule;wherein at least one of the compounds (i), (ii), (iii) or (iv) comprises a film forming polymer.

Abstract: Partially grafted flexible thermoplastic compositions formed by melt blending under high shear, a thermoplastic material which does not contain available graft sites, said thermoplastic material being at least one continuous phase of the composition, an ethylene copolymer containing an unsaturated mono-carboxylic acid, and a polymeric grafting agent having reactive groups capable of reacting with the mono-carboxylic acid in the ethylene copolymer and with the available graft sites in the thermoplastic material.

Abstract: Disclosed is an antistatic thermoplastic resin composition which comprises a thermoplastic resin and a minor amount of an antistatic property-imparting material which is a polymer comprising 20 to 100 weight % of units of a monomer having a quaternary ammonium base represented by the formula (I): ##STR1## wherein R.sub.1 represents hydrogen or methyl, R.sub.2 through R.sub.4 represent hydrogen or (C1-9) alkyl, which may have a substituent, n is a number of 1 to 10, and X.sup.- represents a monovalent acid group or a corresponding equivalent of an acid, and up to 80 weight % of units of a copolymerizable vinyl or vinylidene monomer.

Abstract: A crosslinkable polymer composition comprising:(I) 1% to 99% by weight of at least one olefin copolymer selected from the group consisting of:(A) copolymers composed of (i) .alpha.-olefins, (ii) unsaturated dicarboxylic acid anhydrides, and (iii) at least one compound selected from the group consisting of unsaturated carboxylic acid esters, and vinyl esters;(B) copolymers at least composed of olefins and unsaturated monocarboxylic acids;(C) copolymers obtained by saponifying and neutralizing olefin copolymers at least composed of olefins and unsaturated carboxylic esters; and(D) copolymers at least composed of olefins and unsaturated dicarboxylic acids or the half esters thereof; and(II) 99% to 1% by weight of at least one olefin copolymer selected from the group consisting of:(A) copolymers at least composed of olefins and glycidyl alkyl (meth) acrylates; and(B) copolymers composed of (i) at least one .alpha.

Abstract: Pressure-sensitive adhesive composition, sheet material coated therewith, and a kit for installing insulation around windows comprising the coated sheet material. The adhesive composition consists essentially of a first component consisting essentially of a tackified, emulsifiable adhesive and a second component consisting essentially of at least one terminally unsaturated vinyl monomer, at least one vinyl-unsaturated, homopolymerizable, emulsifier monomer, and, optionally a small amount of an external emulsifier. The adhesive provides high tack and excellent adhesion at both low temperatures and high temperatures, thus rendering it suitable for outdoor use in areas that encounter extremes of weather.

Abstract: A homogenous blend is formed of different water soluble polymer types, for instance of particular addition and condensation polymers, by forming one of the polymers from its monomeric starting material by polymerisation in a solution of the other polyer. The resultant solution has a concentration of above 10% but is homogenous. It can be used as a bulk solution or can be dried to powder or can be present as a reverse phase dispersion.

Abstract: An electrically conductive composite comprising conductive polyacetylene moiety, a nonconductive high nitrile resin, and a dopant. The high nitrile resin further comprises at least nitrile monomers or comonomers and optionally copolymerized with comonomers of mono-ethylenically unsaturated monomers and conjugated diolefins and further optionally containing an elastomeric component.The invention further includes a process for producing an electrically conductive composite comprising:(1) impregnating a high nitrile resin with a Zeigler type catalyst comprising an alkyl aluminum compound and alkyl, alkyl halide, halide, oxyhalide or alkoxide of Group IVA and VA metals,(2) exposing the impregnated high nitrile resin with an alkyne under polymerization conditions whereby polymerization occurs to form a polyacetylene/nitrile composite, and(3) adding dopant to the composite.

Abstract: A resin composition, which comprises (a) a copolymer containing isocyanate group prepared by subjecting a compound represented by the general formula ##STR1## wherein R.sub.1 stands for hydrogen or methyl group and an ethylenic unsaturated monomer to copolymerization, and (b) a copolymer containing amino group prepared by subjecting a compound represented by the general formula ##STR2## wherein R.sub.2 stands for hydrogen or methyl group and an ethylenic unsaturated monomer to copolymerization, has a pot life of such an extent as for permitting them to be used as spray-coating, and the resulting film is excellent in flexibility, chemical resistance, water resistance and corrosion resistance, and, besides, rapid in curability, thus being useful as cold-drying coatings on metals, plastics, woods, inorganic materials, etc. and also as adhesives, etc. The resin composition is very good in compatibility, thus being useful in such a field as required high gloss and beautiful finish.

Abstract: An optical resin material comprising at least two constituent units each having positive and negative main polarizability differences of at least 50.times.10.sup.-25 cm.sup.3 in terms of absolute values has small birefringence and good water absorbance, heat resistance and moldability.

Abstract: Miscible blends of solids, non-crosslinked polymers are disclosed. The blends comprise from 2 to 95 parts by weight of a water-insoluble, hydrophobic polymer and, correspondingly from 98 to 5 parts by weight of a hydrophilic polymer. The blends are capable of absorbing at least their own weight in water.

Abstract: The invention relates to a heat-curable binder mixture which comprises an organic synthetic resin A and a crosslinking agent B. Said synthetic resin A can be an epoxy resin, a polyester resin or an acrylate resin having a number average molecular weight of 500 to 20,000 and at least 0.2 equivalent per 100 g of resin of primary and/or secondary amino groups and/or hydroxyl groups, and said crosslinking agent B is an organic compound having at least 2 .beta.-alkoxyalkyl ester groups per molecule.

Abstract: What is disclosed are novel hot melt adhesives having pressure sensitive properties that are comprised of a combination of two acrylic-based copolymers containing the novel monomer 1(2)-methyl-3-oxa-4-oxo-5-aza-nonyl methacrylate, one of the copolymers being a low glass transition temperature (Tg) copolymer and the other a high Tg copolymer and which hot melt adhesives, by means of reversible hydrogen bond formation and dissociation, possess the reversible properties of providing a strong cohesive strength at ambient temperature but also having a melt viscosity at elevated coating temperatures such that it can be used in hot melt coating equipment; a process for making said hot melt adhesives; and a process for making adhesive tapes and bandages using said adhesives.

Abstract: A cationic water-dispersible resin having quarternary ammonium groups is produced by reacting an acid-addition salt of a polymeric tertiary amine derived from a partially epoxidized polybutadiene-based polymer with an aliphatic secondary amine. The cationic water-dispersible resin is useful for preparing pigment paste and coating compositions to be used in cathodic electrodeposition coating systems.

Abstract: Rubber modified styrene-acrylonitrile polymers (ABS) having three different types of rubber particles. One type is small, usually emulsion-produced particle. The second is a large emulsion-produced particle. The third is a large, mass-produced particle. Such compositions exhibit good combinations of toughness and gloss.

Abstract: A polymer admixture comprising a first cationic polymer having a molecular weight between about 2,500-1,000,000 in admixture with a second cationic polymer having a molecular weight between about 1,000,000-50,000,000, wherein said admixture contains a weight ratio of first polymer to second polymer between about 50:1 to 1:50, has greatly improved properties for treating and clarifying waste waters contaminated with oily waste and dispersed solids. The first cationic polymer is preferably a homopolymer, and the second cationic polymer is preferably a copolymer of acrylamide containing the same cationic monomer used to synthesize the first cationic polymer.