Abstract: Acrylic copolymer compositions which contain a tackifying hydrocarbon resin and a polyfunctional crosslinking monomer and the use of such composition in pressure-sensitive adhesives are described. The tackifying hydrocarbon resin is dissolved, as is the polyfunctional monomer, in a solution of alkyl(meth)acrylate and (meth)acrylic acid monomers and is present during the polymerization of the monomers to form a tackified acrylic copolymer.Acrylic copolymer compositions which contain a tackifying hydrocarbon resin and a polyfunctional crosslinking monomer and the use of such composition in pressure-sensitive adhesives are described. The tackifying hydrocarbon resin is dissolved, as is the polyfunctional monomer, in a solution of alkyl (meth)acrylate and (meth)acrylic acid monomers and is present during the polymerization of the monomers to form a tackified acrylic copolymer.

Abstract: A thermoplastic resin composition comprising a thermoplastic resin (A) and a hydrogen donative material or Component (B) added in an amount of 0.01-40 weight parts per 100 weight parts resin (A), the hydrogen donative material having a transfer of hydrogen or at least 0.1 (hydrogen atoms/molecules anthracene). The composition further incorporates metal salts of aliphatic acid and/or hydrotalcites and a selected class of oxidation inhibitors.

Abstract: Acrylic copolymer PSA compositions having enhanced peel strength without substantially decreasing sheer properties have been formulated by homogeneously incorporating the tackifying resin into the polymer matrix. The tackifying resin is dissolved into a solution of alkyl (meth) acrylate and (meth) acrylic acid monomers prior to polymerization.

Abstract: The curable resin composition of the present invention consists of a curable resin having uniformly dispersed therein particles of a cured silicone rubber obtained from an organosiloxane composition curable by a platinum-catalyzed hydrosilation reaction, wherein said organosiloxane composition contains reaction products of an ethylenically unsaturated epoxy compound and an ethylenically unsaturated aromatic compound with the organohydrogenpolysiloxane present in said organosiloxane composition. Either or both of the epoxy compound and the aromatic compound can be prereacted with a portion of the silicon-bonded hydrogen atoms of the organohydrogenpolysiloxane.

Abstract: A gear oil composition is provided, the composition comprising a hydrogenated star conjugated diolefin polymer having arms with weight average molecular weights between about 3,000 and about 15,000. Such star polymers are effective as viscosity index improvers, and yet are sufficiently shear stable for service in gear oil lubricants.

Abstract: Acrylic copolymer compositions which contain a tackifying hydrocarbon resin and a polyfunctional crosslinking monomer and the use of such composition in pressure-sensitive adhesives are described. The tackifying hydrocarbon resin is dissolved, as is the polyfunctional monomer, in a solution of alkyl(meth)acrylate and (meth) acrylic acid monomers and is present during the polymerization of the monomers to form a tackified acrylic copolymer.

Abstract: A composition comprising an admixture of (a) polybutylene terephthalate, (b) an impact modifying effective amount of an ABS or ABS type resin, and (c) a mold release and/or impact resistance improving effective amount of a fluid hydrogenated or non hydrogenated oligomer of an alpha olefin.

Abstract: A composition is provided which is suitable for extrusion blowing to form an elastomeric film. The film produced from this composition has a very low modulus, high elongation and excellent elastic recovery. The composition comprises: two hydrogenated block compolymers each comprising at least two blocks containing predominantly polymerized alkene arene monomer units and at least one block containing predominantly polymerized conjugated diene monomer units, the first hydrogenated block copolymer having a molecular weight between about 55,000 and about 200,000 and the second hydrogenated block copolymer having a molecular weight between about 15,000 and about 85,000, the ratio of the molecular weight of the first of the second being greater than 1.

Abstract: A hot melt wax composition and process for producing said hot melt wax composition are disclosed. The wax compositions are suitable for coating fibrous materials, for example, paper and corrugated paper boards. The coating compositions comprise a blend of a recrystallized heavy intermediate wax, a polymeric hydrocarbon compound, a tackifier resin and a phenolic anti-oxidant.

Abstract: An encapsulating composition for electronic devices comprises a curable material such as a silicone resin and an ion scavenger compound selected from certain calixarene or oxacalixarene compounds in which at least half of the phenolic groups have been substituted by specific groups and certain silacrown compounds. Exemplary ion scavenger compounds include ##STR1## the tetraethyl acetate of 7, 13, 19, 25-tetra-tertbutyl-27, 28, 29, 30-tetrahydroxy-2,3-dihomo-3-oxacalix-4-arene and 1,1-dimethasila-17-crown-6.

Abstract: Compounds having defined alkene functional groups are described which color stabilize aromatic carbonate polymers or blends therewith upon exposure to sterilizing radiation.

Abstract: Moisture-hardening joint sealing compositions based on polyurethane prepolymers, swellable polymer powders, plasticizers and other auxiliaries have increased stability in storage when they contain C.sub.8 -C.sub.20 olefins as stabilizers.

Abstract: An encapsulating composition for electronic devices comprises a curable material such as an epoxy resin and an ion scavenger compound selected from certain calixarene or oxycalixarene compounds in which at least half of the phenolic groups have been substituted by specific groups and certain silacrown compounds. Exemplary ion scavenger compounds include ##STR1## the tetraethyl acetate of 7, 13, 19, 25-tetra-tertbutyl-27, 28, 29, 30-tetrahydroxy-2,3-dihomo-3-oxacalix-4-arene and 1,1-dimethasila-17-crown-6.

Abstract: This invention relates to an environmentally durable composition which has excellent low temperature dynamic properties. The composition comprises a substantially homogeneous mixture of 100 parts by weight elastomer having a fully saturated backbone, curing agent for the elastomer in amounts sufficient to crosslink the elastomer, reinforcing particulate filler, at least 20 parts by weight of an aliphatic oil and paraffinic oil and/or naphthenic oil. Inclusion of the naphthenic oil and/or paraffinic oil with the aliphatic oil improves the overall properties and processability of the elastomer composition. Particulate graphite may be incorporated into the composition to lower its friction.

Abstract: This invention relates to an environmentally durable composition which has superior low temperature dynamic properties. The composition comprises a substantially homogeneous mixture of 100 parts by weight elastomer having a fully saturated backbone, curing agent for the elastomer in amounts sufficient to crosslink the elastomer, reinforcing particulate filler, at least 20 parts by weight of particularly defined polyalphaolefin oil and, preferably, particularly defined paraffinic oil and/or naphthenic oil. Inclusion of the polyalphaolefin oil in the composition improves the low temperature dynamic properties and processability of the elastomer, which are further improved by inclusion of naphthenic oil and/or paraffinic oil therein. Particulate graphite may be incorporated into the composition to lower its friction.

Abstract: A coating composition for application to a metal part, which improves corrosion resistance and significantly reduces the co-efficient of friction of the surface of the part and a one coating step method for applying the coating to form two distinct layers on the coated part. The composition includes an oil phase in which polytetrafluoroethelene particles are suspended mixed with a resin film forming paint composition. Upon applying the coating to the part and curing of the resin film, the oil phase separates and forms a overlayer of oil having the polytetrafluoroethelene particles uniformly distributed in the oil layer.

Abstract: This invention is a rubber composition for a tire tread of 100 parts by weight (pbw) diene system rubber to which are added x pbw of carbon black and y pbw of softening agent. The softening agent contains z pbw of liquid polymer. The amounts of x, y and z are described by the inequalities (5/8)x-20.ltoreq.y.ltoreq.x and (y/5)+5.ltoreq.z. The liquid polymer has a flow points of 20.degree. C. or below. The rubber composition provided here gives a tire tread with improved performance in terms of grade climbing ability, braking and standing start, on ice as well as on snow. Besides, the service life of the rubber is prolonged, and tread performance deterioration is reduced to a minimum.

Abstract: Compatible polymer blends useful as melt adhesives comprising a copolymer of butene-1 and from about 5.5 to about 20 weight percent of ethylene or propylene, a hydrocarbon tackifier and a low molecular weight liquid polybutene having a molecular weight greater than about 2000.

Abstract: A method and apparatus for devolatilizing high viscosity polymer solutions are provided wherein high viscosity polymer solutions are heated along a short zone of indirect heat exchange. The residence time within the zone of indirect heat exchange ranges from approximately 5 seconds to 120 seconds.

Abstract: Compatible polymer blends useful as melt adhesives comprising a low density ethylene polymer, a copolymer of butene-1 and ethylene or propylene, a hydrocarbon tackifier and a low molecular weight polymer selected from the group consisting of a low molecular weight liquid polybutene, an amorphous polypropylene and mixtures thereof.

Abstract: A new method and formulation for treating metal parts for corrosion resistance is disclosed wherein both a paint coat and an oil coating formulation are simultaneously applied in a single step to the parts after the parts have been conventionally phosphated. The novel formulation disclosed is a di-phase composition wherein a distinct paint phase and an oil phase are present. The formulation is applied to the parts only when the two phases have been intimately dispersed to form a temporary suspension. Upon drying, the treated part is provided with a paint undercoat covered by an oil coating and exhibits significantly improved corrosion resistance as measured by standard salt spray corrosion tests.

Abstract: Colored silicone composition comprising:(a) at least one organopolysiloxane,(b) at least one isoparaffin having 8 to 24 carbon atoms, and(c) a dyestuff soluble in (b).

Abstract: Difficult to mold polyester resin containing compositions are made thermoplastically moldable by the addition of an aromatic polycarbonate and mold-release additives of the formula:R-Ywherein R is selected from saturated and unsaturated hydrocarbyl having 13 to 44 carbon atoms, inclusive; and Y is selected from monovalent moieties of the formulae:--H, --COOR', and --O--R"wherein R' is selected from hydrogen and hydrocarbyl of 1 to 36 carbon atoms, inclusive; and R" represents one of lower alkyl and lower alkenyl.

Abstract: The invention relates to a composition suitable for the manufacture of cling film, comprising 80 to 99% by weight of at least one polymer or copolymer of ethylene having a density less than or equal to 0.935, and from 1 to 20% by weight of the total composition comprising:(a) A cling agent chosen from amongst liquid polybutenes and atactic polypropylenes and(b) At least one crystalline wax in a quantity of 0.01 and 50% by weight based on the weight of (a) and (b) together.

Abstract: A method of making and composition for a co-continuous dispersion of incompatible polymers in a polymer matrix comprises forming a solution of the incompatible polymers in a solvent which is common to both polymers and rapidly evaporating the solvent. The remaining material is in the form of the polymer matrix.

Abstract: A rubber article with excellent oil resistance and aging resistance to be used in contact with a polyolefin oil or a lubricating oil containing a polyolefin oil, at least the surface of the rubber article being contacted with said oil, said rubber article being composed substantially of a vulcanized product of a copolymer rubber comprising (1) 10 to 60% by weight of units derived from an unsaturated nitrile, (2) 0 to 30% by weight of units derived from a conjugated diene, and (3) 90 to 10% by weight of units derived from an ethylenically unsaturated monomer other than the unsaturated nitrile and/or units resulting from the hydrogenation of units derived from a conjugated diene.

Abstract: The present invention relates to a family of novel and efficient drag reduction agents for a variety of organic solutions which comprise a family of polymeric complexes (i.e., polyampholytes) which are terpolymers of styrene/metal styrene sulfonate/n-vinylpyridine (NVP).The metal styrene sulfonate is an anionic monomer, while n-vinylpyridine is a base which becomes chemically coordinated to the metal ion. These styrene-based polyampholytes have approximately 1 to about 50 mole percent of the NVP moiety present within the macromolecular structure. These groups are not necessarily present in an equimolar charge ratio. The excess NVP allows for facile dispensability or solubility of the polyampholytes into the organic liquid.

Abstract: A method of making and composition for a fine particle dispersion of incompatible polymers in a polymer matrix comprises forming a solution of the incompatible polymers in a solvent which is common to both polymers and rapidly evaporating the solvent. The remaining material is in the form of the polymer matrix.

Abstract: A water insoluble and oil soluble polymeric additive in combination with a hydrocarbon liquid, said polymeric additive being dissolved in said hydrocarbon liquid at a concentration level of about 0.001 to about 10 wt. %, said polymeric additive comprising a polyampholyte having the formula: ##STR1## wherein x is about 40 to about 98 mole %, y is about 1 to about 50 mole %, and z is about 1 to about 50 mole %, wherein y and z are less than 60 mole %, and M is an amine or a metal cation selected from the group consisting of aluminum, iron, lead, Groups IA, IIA, IB and IIB of the Periodic Table of Elements.

Abstract: Bitumen-polymer compositions are prepared, by mixing, at between 130.degree. C. and 230.degree. C., a bitumen with a styrene and conjugated diene copolymer and a sulphur source, the copolymer and the sulphur source being added to the bitumen either directly, or in the form of a mother solution in a hydrocarbon oil, then by maintaining the whole under stirring at between 130.degree. C. and 230.degree. C. for at least fifteen minutes.By way of sulphur source is used 0.005 to 15% by weight, with respect to bitumen, one or several polymeric or not, cyclic or linear polysulphides, and especially ditertiododecyl or dinonyl pentasulphide. The bitumen-polymer compositions obtained can be used for the obtention of superficial road coverings and present a constant quality of its properties.

Abstract: The present invention relates to oil solubilization agents for solubilizing oil into an aqueous solution in which the oil solubilization agents are diblock polymers of t-butylstyrene/metal styrene sulfonate and triblock polymers of t-butylstyrene/metal styrene sulfonate/t-butylstyrene.

Abstract: A process for forming a thickened fluid having a viscosity of at least about 50 cps which includes the steps of:(a) forming two solvent systems one of an organic liquid and the other of said organic liquid and a polar cosolvent, said polar cosolvent being less than about 15 weight percent of each said solvent system, a viscosity of each said solvent system being less than about 100 cps;(b) dissolving a water insoluble sulfonated elastomeric polymer in said first solvent system to form a first solution, a concentration of said sulfonated polymer in said first solution being about 0.02 to about 10 weight percent, a viscosity of said first solution being less than about 2000 cps;(c) dissolving an elastomeric polymer in said second solvent system of said organic liquid to form a second solution, a concentration of said elastomeric polymer in said second solution being about 0.

Abstract: Blends of propylene homopolymers, linear low density ethylene copolymers and certain plasticizer oils possess extremely good impact resistance at low temperatures (-30.degree. C.) along with good stiffness and blush.

Abstract: A process for gelling a fluid having a viscosity of at least about 50 cps which includes the steps of: forming a solvent system of the nonpolar organic liquid and a polar cosolvent, the polar cosolvent being less than about 15 weight percent of the solvent system and a viscosity of the solvent system being less than about 100 cps; dissolving a water insoluble, oil soluble terpolymer in the solvent system to form a solution, a concentration of the terpolymer in the solution being about 0.

Abstract: A process for increasing the viscosity of a hydrocarbon organic liquid under increasing shear rate which includes the step of:(a) forming a solution of said hydrocarbon organic liquid and a polyampholyte having about 1 to about 500 milliequivalents of sulfonate groups per 100 gms. of said polyampholyte, wherein the concentration of said polyampholyte is about 0.01 to about 20 wt. %, said polyampholyte having the formula: ##STR1## wherein X is about 40 to about 98 mole %, y is about 1 to about 50 mole %, and z is about 1 to about 50 mole %, wherein y and z are less than 60 mole %, and M is an amine or a metal cation selected from the group consisting of aluminum, iron, lead, Groups IA, IIA, IB and IIB of the Periodic Table of Elements; and(b) subjecting said solution to increasing shear rate to increase the viscosity of said solution by at least 10% as said shear rate increases.

Abstract: A substantially solvent-free adhesive composition consists essentially of an elastomer and tackifier, a metal oxide and, optionally, a plasticizer. The elastomer is selected from the group consisting of polar elastomers and unsaturated elastomers which have at least 5 mole percent unsaturation, said elastomer being a non-crystalline elastomer or an elastomer which has a slow rate of crystallization such that after a time period of at least 100 hours has elapsed following subjecting the elastomer to a temperature of 70.degree. C. for 30 minutes, the elastomer has a room temperature Shore A hardness of less than 60. The adhesive compositions can be formed into a shaped article, such as of a tape, film, sheet or tubular sleeve, if desired. The compositions have high adhesive strength for bonding together a variety of substrates. The adhesive is particularly useful with a dimensionally recoverable article, such as a shrinkable sleeve, to bond the recovered sleeve to a substrate such as an electric cable.

Abstract: A process for producing a porous film or sheet, which comprises melt-molding a composition prepared by compounding 100 parts by weight of a polyolefin resin with 25 to 400 parts by weight of a filler and 1 to 100 parts by weight of a liquid or waxy hydrocarbon polymer into film or sheet, and stretching the resulting film or sheet.

Abstract: A composition of an aromatic of an aromatic carbon polymer, an acrylate impact modifier and an aliphatic hydrocarbon low temperature impact modifier.

Abstract: A composition comprising a thermoplastic resin and a mold release effective amount of an olefin.

Abstract: Compositions based on polydimethylsiloxane and physiologically inert powdered polymers, which are able to create a sharp separation layer between the erythrocytes and the serum or plasma during the centrifuging of blood samples for medical analyses.

Abstract: An offset printing ink composition is provided which contains a vehicle resin (III) prepared by reacting 5 to 100 parts by weight of a phenolic resin (component D) with 100 parts by weight of a modified resin (II) modified with an acid, said phenolic resin (component D) being prepared by the condensation of a phenol including an alkyl substituent group having 4 to 9 carbon atoms with formalin, said modified resin (II) modified with an acid being prepared by reacting 1 to 15 parts by weight of a component C selected from the group consisting of unsaturated carboxylic acids, unsaturated carboxylic acid anhydrides and mixtures thereof with 100 parts by weight of a resin (I) obtained by copolymerizing 5 to 50 parts by weight of a component B selected from the group consisting of drying oils, fatty acids and mixtures thereof with 100 parts by weight of a five-member cyclic compound (component A) having a conjugated double bond or bonds and a Diels-Alder addition product thereof, such as cyclopentadiene or dicyclop

Abstract: This invention relates to hot melt adhesive compositions which include an amine terminated polyalkylene oxide neutralized sulfonated thermoplastic polymer wherein the neutralized sulfonated thermoplastic polymer has about 5 to about 250 meq. of neutralized sulfonate groups per 100 grams of the neutralized sulfonated thermoplastic polymer, and about 25 to about 200 parts by weight of a hydrocarbon resin of a petroleum or coal tar distillate, having about 5 to 6 carbon atoms, the hydrocarbon resin being composed of aliphatic dienes and monoolefins per 100 parts by weight of the neutralized sulfonated thermoplastic resin.

Abstract: A method for improving the antimisting properties of an organic liquid which comprises the step of dissolving about 0.1 to about 3.0 weight percent of a neutralized sulfonated polymer in such organic liquid, having a solubility parameter of less than 9, wherein said neutralized sulfonated polymer has about 5 to about 200 meq. of pendant sulfonate groups per 100 grams of polymer and about 90.0 to 100% of said sulfonate groups are neutralized, wherein the solution of the organic liquid and the neutralized sulfonated polymer has an approximate polymer concentration, C.sub.A, which can be characterized by the formula: ##EQU1## wherein [.eta.] is the intrinsic viscosity of said solution and the polymer concentration range is 0.1 times to 10 times C.sub.A.