Abstract: A coating for metallic substrates is disclosed which provides corrosion pection thereto and is thermally stable at high temperatures. It comprises a binder formed from a blend of a silicone resin and a silicone alkyd co-polymer resin, a sacrificial anodic particle pigment such as zinc dust for providing chemical protection against corrosion, a leafing pigment such as leafing aluminum for providing barrier protection against corrosion, and solvents.

Abstract: A thermoplastic composition is provided which comprises a phenylene ether resin, a preformed, two-phase rubber modified, high impact vinyl aromatic resin, and a preformed styrenic homopolymer which has a number average molecular weight of 65,000 to 120,000.

Abstract: System for thermoplastic cross-linking adhesive, preparation thereof and corresponding method of gluing.This system for thermoplastic adhesives includes (A) a first composition without anhydride groups, containing: (a) at least one polymer chosen from the thermoplastic polymers and the synthetic rubbers; (b) at least one compound containing at least one group which can react with anhydride groups; (c) at least one tackifying resin; and (d) if desired, at least one plasticizer; (B) a second composition containing constituents Ba, Bc and Bd which are respectively analogous to the constituents Aa, Ac and Ad, and (b) at least one polymer containing anhydride goups; and (C) at least one activator of the reaction between the reactive groups of Ab and the anhydride functions of Bb. Advantageously the activatior (C) is wholly incorporated in the composition A and/or in the composition B, so as to form a two-component system.

Abstract: A product and method of suspending a substantially non-dissolved liquid lubricant or mixture of liquid lubricants within a non-metallic binder, which after application upon a desired surface and subsequent curing, provides a lubricating paint, which maintains the lubricant in a suspended state until the binder matrix is worn down by frictional contact with another surface, whereby the reached suspended lubricant inclusions are ruptured and spread over the surface of the binder matrix and providing lubrication between two parts in frictional contact with each other.

Abstract: A release agent composition which manifests almost no silicone migration and a very low slickness while nevertheless having a low release value is achieved by means of a release agent composition which is based on a methylalkenylpolysiloxane, an alkylhydrogenpolysiloxane crosslinker for the methylalkenylpolysiloxane, an organopolysiloxane containing monovalent hydrocarbon groups which lacks aliphatically unsaturated bonds and which contains 6 to 18 carbon atoms which functions to lighten the releaseability of the cured film, to check silicone migration, and to reduce the slickness, and a catalytic quantity of a platinum-type catalyst.

Abstract: A method for controlling the viscosity of organic liquids, said organic liquid having a solubility parameter of less than 9.5, a viscosity, as measured at 25.degree. C., of less than 200 centipoises and said organic liquid is selected from the group consisting of mineral oils, synthetic oils, naphthanes, alkanes, cycloalkanes and aromatics and mixtures thereof, which comprises incorporating in said organic liquid about 0.01 to 20 grams of polymer complex per 100 ml. of said organic liquid, said polymer complex being formed "in situ" in said organic liquid or dissolved in said organic liquid, said complex being comprised of polymer A, containing about 4 meq. to 500 meq. of neutralized sulfonate groups, and polymer B, containing basic nitrogen groups, both functional groups being present at a level of from about 4 to 500 meq. per 100 g. of polymer, wherein polymer B has the formula: ##STR1## wherein x is about 50.0 to 99.8 weight percent and y is about 0.2 to about 50.

Abstract: An addition or condensation cross-linking molding or lining compound based on silicones comprising(a) an organo polysiloxane containing reactive end groups,(b) a catalyst,(c) a filler, and(d) an isoparaffin having 8 to 24 carbon atoms.The compounds being particularly useful as dental molding compositions.

Abstract: A composition for the surface treatment of rubber is disclosed which comprises (A) a diorganopolysiloxane capped with a triorganosiloxy group at one end and a hydroxyl or alkoxy group at the other end; (B) at least one compound selected from organotrialkoxysilanes, organotriacyloxysilanes, organotrioximesilanes or tetraalkyl silicates; and (C) a condensation-reaction catalyst. The composition imparts durable release and lubrication properties to rubber bladders used in the manufacture of tires.

Abstract: A method of viscosifying an organic liquid which comprises adding a sufficient quantity of a hydrolyzed Ziegler Natta-ester containing copolymer haivng a molecular weight of about 100,00 to about 10,000,000 to said organic liquid to increase the viscosity of said organic liquid, said copolymer having the formula: ##STR1## wherein R.sub.1 is an alkyl group having about 4 to about 6 carbon atoms, R.sub.2 is an alkylene group having 3 to 16 carbon atoms, x is about 95.0 to about 99.95 mole % and y is about 0.05 to about 5.0 mole %.

Abstract: A method of producing compounds in which the rubber phase contains a polyolefin and a halobutyl rubber, which is partially crosslinked, to which composition is then added additional polyolefin and a vulcanizable olefinic rubber, which is then further crosslinked using organic peroxides, and then blended with a styrenic rubber. The TPE compounds incorporate (A) polypropylene 10-90 weight parts (wt. pts.), (B) halobutyl rubber 90-10 wt. pts. (where (A)+(B)=100), (C) an olefinic rubber 10-120 wt. pts., (D) mineral oil softener 5-120 wt. pts., which are then treated thermally in the presence of (E) MOx and/or MCl, to which composition of 100 weight parts is added (F) polyolefin 100-600 wt. pts., and (G) a vulcanizable olefinic rubber 50-500 wt. pts. The resulting blend is then thermally treated with (H) organic peroxide(s), to which blend of 100 wt. pts. is then added and uniformly dispersed (I) 5-150 wt. pts. of styrenic rubber.

Abstract: Thermoplastic molding composition comprising an organic polyester or poly(phenylene oxide) or poly(phenylene sulfide) or poly(etherimide) polysulfone and a hydrogenated oligomer of an alpha-olefin in an amount effective to impart reliable and facile mold release.

Abstract: Thermoplastic molding composition comprising an organic polyester or poly(phenylene oxide) or poly(phenylene sulfide) or poly(etherimide) polysulfone and a hydrogenated oligomer of an alpha-olefin in an amount effective to impart reliable and facile mold release.

Abstract: Thermoplastic molding composition comprising an organic polyester or poly(phenylene oxide) of poly-(phenylene sulfide) or poly(etherimide) polysulfone and a hydrogenated oligomer of an alpha-olefin in an amount effective to impart reliable and facile mold release.

Abstract: Stable dispersion of addition (co)polymers in an inert relatively non-polar organic hydrocarbon liquid, the dispersed particles embracing both a (co)polymer and a polymer containing an ethylenically unsaturated monomer. The (co)polymers are substantially composed of:(a) 5 to 100 mole % of styrene and/or methyl styrene;(b) 0 to 95 mole % of alkyl methacrylate having 1 or 2 carbon atoms in the alkyl group and/or alkoxyalkylene methacrylate having 1 or 2 carbon atoms in the alkoxy group and the alkylene group;(c) 0 to 40 mole % of alkyl methacrylate having 3 to 12 carbon atoms in the alkyl group;(d) 0 to 40 mole % of hydroxalkyl methacrylate having 2 to 12 carbon atoms in the alkyl group and/or glycidyl methacrylate; and(e) 0 to 20 mole % of m methacrylic acid.The (co)polymers are grafted to a polymer of a number average molecular weight of 2000 to 10.

Abstract: A solvent based contact adhesive suitable for bonding cured EPDM membranes is disclosed. The adhesive includes a crosslinked halogenated butyl rubber, a low molecular weight, high softening point, thermoplastic aliphatic-type-based hydrocarbon resin and at least one organic solvent employed as a dispersion medium for the crosslinked halogenated butyl rubber and the resin. The disclosed adhesive exhibits superior heat aging and hot water immersion properties which are significant characteristics in roof applications.

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: This invention relates to relatively thick pressure sensitive adhesive films comprising a homogeneous mixture based on 100% of the solids weight of the adhesive film, (i) at least 20 weight % of a low molecular weight resin produced by the polymerization and hydrogenation of styrenic monomer feedstock having a ring and ball softening point of about 10.degree.-45.degree. C., (ii) from about 2 to about 40 weight % of a triblock copolymer with a saturated elastomeric block in the center and a thermoplastic block on each end alone or in combination with a diblock copolymer of a hard thermoplastic block and a saturated, soft ethylene-propylene polymeric block, and (iii) up to about 80 weight % of a mineral oil.

Abstract: A fast forming, thermally reversible gel for filling cables at selective, specific gel temperatures which comprises a styrene-ethylene-butene-styrene block copolymer and a naphthenic or paraffinc oil or solvent with an oil aromatic content up to 25% by weight.

Abstract: A deep penetrating sealer composition which renders the treated surface resistant to water, metal ions and chloride ion penetration comprising a mixture of (1) an aromatic solvent, (2) a chlorinated solvent, (3) an aliphatic hydrocarbon solvent, and (3) a hydroxy-substituted polyorganosiloxane.

Abstract: Compositions of matter useful in the preparation of film which is soft and has high tensile, tear and impact strength. The compositions comprise polyolefin plastics blended with an elastomeric plasticizer; the latter comprises polyethylene or a copolymer of ethylene and an unsaturated ester of a lower carboxylic acid, olefinic elastomer and hydrocarbon oil.

Abstract: A composition having a composition containing substantially no other engineering thermoplastic resin and a compression set (JIS K 6301; 100.degree. C..times.22 hours; and compressibility, 25%) of 65% or less as rubber which comprises:(a) 100 parts by weight of a hydrogenated block copolymer obtained by hydrogenating a block copolymer comprising at least two polymer blocks A composed mainly of a vinyl-substituted aromatic hydrocarbon and at least one polymer block B composed mainly of a conjugated diene,(b) 11 to 233 parts by weight of a homopolymeric and/or copolymeric polyphenylene ether resin comprising a binding unit represented by the general formula, ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, represent substituents selected from the group consisting of hydrogen, halogen, hydrocarbon groups and substituted hydrocarbon groups, and having a reduced viscosity in a range of from 0.15 to 0.70 as measured at 30.degree. C. in a 0.

Abstract: A polymer composition comprising:(A) 15 to 40% by weight of a hydrogenated product of a block copolymer comprising a vinyl aromatic compound (a.sub.1) and a conjugated diene compound (a.sub.2),(B) 4 to 30% by weight of an isopropenyltoluene polymer comprising meta-iso-propenyltoluene as the main constituting unit, and(C) 40 to 80% by weight of a compound selected from the group consisting of .alpha.-olefin polymers (c.sub.1) having a number average molecular weight ranging from 250 to 5000 and squalane (c.sub.2), wherein the total amount of the components (A), (B) and (C) is 100% by weight.

Abstract: Striation-free interlayer dielectric films of good reflectivity are formed by spin-coating a solution comprising 1,2,4-trimethylbenzene solvent containing a dissolved arylsiloxane oligomer or polymer capable of forming an interlayer dielectric film.

Abstract: A new rubber composition, the vulcanizate of which has reduced permeability to gases, comprises: one hundred parts by weight of at least one butyl-type rubbery polymer; from about 3 to about 20 parts by weight of .alpha.-methylstyrene homopolymer having a softening point of from about 93.degree. C. to about 150.degree. C. and a Tg of from about 15.degree. C. to about 75.degree. C.; from about 30 to about 90 parts by weight of at least one carbon black, from 0 to about 7 parts by weight of hydrocarbon extender oil; and a curing system. A process for producing said rubber composition is also provided.

Abstract: Rubber compositions suitable for tire treads are disclosed. Starting rubbers made up of at least one SBR of -20.degree. C. to -40.degree. C. in Tg and at least one SBR of lower than -45.degree. C. in Tg are blended with specified amounts of carbon blacks having a N.sub.2 SA of more than 120 m.sup.2 /g and of softeners having a VGC of 0.90 to 0.98, whereby the compositions are provided with a storage shear modulus of less than 500 MPa at -30.degree. C. The compositions are excellent in friction performance, abrasion resistance and low-temperature resistance.

Abstract: Stable dispersion of addition (co)polymers in an inert relatively non-polar organic hydrocarbon liquid, the dispersed particles embracing both a (co)polymer and a polymer containing an ethylenically unsturated monamer. The (co)polymers are substantially composed of:(a) 5 to 100 mole % of styrene and/or methyl styrene;(b) 0 to 95 mole % of alkyl methacrylate having 1 or 2 carbon atoms in the alkyl group and/or alkoxyalkylene methacrylate having 1 or 2 carbon atoms in the alkoxy group and the alkylene group;(c) 0 to 40 mole % of alkyl methacrylate having 3 to 12 carbon atoms in the alkyl group;(d) 0 to 40 mole % of hydroxyalkyl methacrylate having 2 to 12 carbon atoms in the alkyl group and/or glycidyl methacrylate; and(e) 0 to 20 mole % of methacrylic acid.

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: A method of viscosifying an organic liquid which comprises adding a sufficient quantity of a hydrolyzed Ziegler Natta-ester containing copolymer having a molecular weight of about 100,000 to about 10,000,000 to said organic liquid to increase the viscosity of said organic liquid, said copolymer having the formula: ##STR1## wherein R.sub.1 is an alkyl group having about 4 to about 6 carbon atoms, R.sub.2 is an alkylene group having about 3 to about 17 carbon atoms, x is about 95.0 to about 99.95 mole % and y is about 0.05 to about 5.0 mole %.

Abstract: A rubber composition for an inner liner of a vehicular tire, having high crack formation preventing characteristics even during vehicle cruising at low temperatures. The rubber composition comprises a rubber component and a softener. The rubber component includes halogenated butyl rubber ranging from 60 to 100 parts by weight and diene rubber not more than 40 parts by weight. The softener ranges from 3 to 15 parts by weight relative to 100 parts by weight of the rubber component and includes a paraffin component constituting not less than 60 weight % and an aromatics component constituting not more than 5 weight %. Additionally, the rubber component after vulcanization has a storage elastic modulus at 10.degree. C., not higher than 1.4.times.10.sup.8 dyn/cm.sup.2, and a storage elastic modulus at -45.degree. C., not higher than 8.0.times.10.sup.9 dyn/cm.sup.2.

Abstract: A gelled oil filling compound primarily intended for optical cables which meets the standard drainage test at 70.degree. C. and is stable to prolonged exposure at -40.degree. C. consists essentially of a low aromatic hydrocarbon oil and a block copolymer with a molecular weight in the range 200,000 to 2,000,000. The block copolymer comprises at least one segment tending to confer solubility in the oil and at least one segment tending to inhabit it, the preferred example being the polymer sold under the trade mark KRATON G1651 which has a center segment which is a random copolymer of ethylene and butylene and two end segments consisting essentially of styrene units.

Abstract: A resin composition for soft bumpers is disclosed, comprising (a) 100 parts by weight of a selectively hydrogenated block copolymer having at least two mono-alkenyl or mono-alkenylidene aromatic hydrocarbon polymer blocks having a number average molecular weight of from 5,000 to 15,000 and at least one partially or completely hydrogenated aliphatic conjugated diene hydrocarbon polymer block having a number average molecular weight of from 10,000 to 75,000, (b) from 10 to 100 parts by weight of an ethylene-propylene copolymer rubber having a Mooney viscosity of from 15 to 50 as measured at 100.degree. C. and an intrinsic viscosity of from 1.2 to 2.0 dl/g as measured in a xylene solution at 70.degree. C., (c) from 200 to 400 parts by weight of a propylene-ethylene block copolymer having a melt flow rate of from 10 to 30 g/10 min and an ethylene content of from 5 to 15% by weight, and (d) from 20 to 200 parts by weight of a non-aromatic diluent oil for rubber.

Abstract: A telephone cord employs as an insulator for the conductors therein an extrudable blend of a styrene-ethylenebutylene-styrene copolymer with polypropylene.

Abstract: Pressure sensitive adhesives comprise blends of polyamides with polyacrylates. The resultant blends are particularly suited for use in pressure sensitive adhesive tapes. Films, articles, and coated articles containing these pressure sensitive adhesives are also disclosed.

Abstract: A surface coating composition comprising an amino-functional silicone polymer, a metal chelated acrylic polymer a hydrocarbon solvent and water. The metal-chelated acrylic polymer preferably comprises zinc, and the composition may further comprise abrasive materials, surfactants, thickeners and stabilizers. The surface coating composition is particularly adapted for providing a glossy and durable finish on a surface.

Abstract: Dispersion of polyacrylic acid in mineral spirits containing an elastomer that is swellable in mineral spirits, amount of elastomer being sufficient to render the dispersion less resistant to settling of solids.

Abstract: A gelled dielectric encapsulant material and process therefor for use in reenterable and nonreenterable communication cable splices as well as applications relating to encapsulation of electronic components comprises a plasticizer which does not stress crack polycarbonate, an aliphatic or aromatic carboxylic acid, and a basic oxide or hydroxide.

Abstract: A binder composition which is pigmentable comprising from 30 to 99 wt % of a mineral lubricating oil extract and from 70 to 1 wt % of a petroleum resin and/or coumarone-indene resin, characterized in that the petroleum resin and/or coumarone-indene resin contains moieties derived from carboxylic acid, carboxylic acid anhydride or hydroxyl groups.

Abstract: A composition comprising an aromatic carbonate polymer in admixture with a mold release effective amount of a hydrogenated alpha-olefin oligomer fluid.

Abstract: A polyolefin compatable liquid colorant/additive concentrate for molding plastics. The colorants and additives are conventional pigments and additives. The vehicle contains (A) a low molecular weight addition polymer, such as a polybutene, a polystyrene, a poly alpha-methyl styrene/vinyl toluene copolymer, or an acrylic polymer or copolymer, and (B) an essentially non-volatile solvent for the low molecular weight addition polymer which has a boiling point of at least about 450.degree. F. and which is compatable with the resin to be colored. The liquid concentrate has a Brookfield viscosity between about 1000 and 40,000. The colorant concentrate produces uniform color finished products, without visible streaks or specks. It also eliminates screw slippage.

Abstract: A composition comprising interacting a blend of a neutralized sulfonated polymer containing from about 4 meq. of metal sulfonate per 100 g. of polymer up to 200 meq. per 100 g. of polymer, said sulfonate polymer being at least 95% neutralized, complexed with a second polymer containing basic nitrogen atoms incorporated, pyridine copolymerized or grafted thereon, said polymer containing basic nitrogen from about 4 meq. up to 500 meq. per 100 g. of polymer, wherein the molar ratio of metal sulfonate groups to that of basic nitrogen atoms varies from about 0.03 to about 30; wherein said polymer containing basic nitrogen groups have the formula: ##STR1## wherein R.sub.1 is an alkyl group having about 1 to about 8 carbon atoms, R.sub.2 is an alkyl group having about 1 to about 18 carbon atoms, x is about 50 to about 99.8 wt. %, and y is about 0.2 to about 50 wt. %.

Abstract: Ethylene-vinyl acetate copolymers having a melt index of 2,000 to 7,500 and containing from 10 to 22% vinyl acetate are useful in hot melt road marking compositions containing from 1 to 30% of the EVA copolymer; from 0 to 29% by weight of a binder resin; and from 0 to 5% by weight of a plasticizer, the balance of the composition typically comprising from 70 to 80% by weight of aggregates, made up of particulate materials such as sand and/or fillers and/or pigments such as calcium carbonate and titanium dioxide.

Abstract: This invention provides emulsions of rubberized asphalt, which are preferably extended with oil and are especially useful for chip seal, slurry seal and cold mix applications. The novel composition may be prepared by passing an aqueous surfactant-containing solution and a homogeneous gel, comprising rubberized asphalt or oil-extended rubberized asphalt through a colloid mill to provide an emulsion having a small and uniform particle size.

Abstract: An adhesive for bonding cured EPDM membranes is provided comprising(A) a halogenated butyl rubber(B) a pre-crosslinked butyl rubber(C) methylene-propylene-nonconjugated diene terpolymer(D) a thermoplastic petroleum based hydrocarbon feedstock derived aliphatic monomer resin and(E) an aliphatic isocyanate.

Abstract: A paste composition which is used in the preparation of dental impression compositions containing:(a) at least 100 ppm by weight, based on the weight of the paste composition of platinum calculated as the element;(b) 35 to 75 percent by weight, based on the weight of the paste composition, of a diorganopolysiloxane which contains at least 2 SiC-bonded vinyl groups per molecule and has a viscosity of at least 100 mPa.s at 25.degree. C.;(c) 10 to 25 percent by weight, based on the weight of the paste composition, of a hydrocarbon which is liquid or spreadable at room temperature and is free of aliphatic carbon-carbon multiple bonds; and(d) 3 to 15 percent by weight, based on the weight of the paste composition, of hydrophobic silicon dioxide having a surface area of at least 50 m.sup.2 /g;in which the sum of the percentages of (a) to (d) including other additives which may be present in the paste composition is equal to 100 percent.

Abstract: A hot-melt adhesive which is particularly suitable for an adherend surface carrying silanol groups. The adhesive contains a compound capable of combining chemically with oxygen in the silanol groups to render the adherend surface hydrophobic.

Abstract: A polyolefin compatable liquid colorant/additive concentrate for molding plastics. The colorants and additives are conventional pigments and additives. The vehicle contains (A) a low molecular weight addition polymer, such as a polybutene, a polystyrene, a poly alpha-methyl styrene/vinyl toluene copolymer, or an acrylic polymer or copolymer, and (B) an essentially non-volatile solvent for the low molecular weight addition polymer which has a boiling point of at least about 450.degree. F. and which is compatable with the resin to be colored. The liquid concentrate has a Brookfield viscosity between about 1000 and 40,000. The colorant concentrate produces uniform color finished products, without visible streaks or specks. It also eliminates screw slippage.

Abstract: The present invention consists of treating the surface of a viscous semi-solid oil or water-in-viscous oil emulsion with a chemical dispersant composition that has a viscosity which is sufficiently high that the dispersant will remain in contact with the oil for a time sufficient to disperse it in the water. Thus, in one embodiment of the present invention a chemical dispersant composition for dispersing viscous, almost semi-solid oils in water comprises a dispersing agent and an oil soluble polymer in a ratio whereby said composition has a viscous, sticky, gel-like consistency.

Abstract: This invention relates to thermoplastic and/or elastomer blend compositions having a viscosity at 200.degree. C., at 0.73 sec.sup.-1 of about 5000 to about 5.times.10.sup.6 poises, wherein the compositions used for elastomeric articles which include a polymer complex of a neutralized sulfonated polymer and a polymer containing basic nitrogen atoms can also include about 25 to about 150 parts by weight of a nonpolar process oil per 100 parts of the polymer complex and about 50 to 300 parts by weight of a filler per 100 parts of the polymer complex. These blend compositions can be processed on conventional plastic fabrication equipment into polymeric articles having excellent physical 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: An adhesive for bonding cured EPDM membranes is provided comprising(A) a halogenated butyl rubber(B) a pre-cross linked butyl rubber(C) a styrene/ethylene butylene/styrene block thermoplastic rubber,(D) a thermoplastic petroleum based hydrocarbon feedstock derived aliphatic monomer resin and(E) an aliphatic isocyanate.