Abstract: The process of the invention is characterized by the unidirectional expansion of a composition containing a substantial proportion of at least partially crosslinked and/or crosslinkable polyolefin, in order to form a product made of foam, especially relatively compliant foam. The use of a polyethylene or ethylene copolymer obtained by metallocene catalysis is preferred.

Abstract: A flexible cellular material can be made by extruding a composition containing a polyurethane prepolymer, where the prepolymer has end groups selected from the group consisting of isocyanate end groups and trialkoxysilyl end groups, and the prepolymer is self-crosslinkable with moisture. The flexible cellular material has an expanded or foamed polymer matrix.

Abstract: A flexible cellular material can be made by extruding a composition containing a polyurethane prepolymer, where the prepolymer has end groups selected from the group consisting of isocyanate end groups and trialkoxysilyl end groups, and the prepolymer is self-crosslinkable with moisture. The flexible cellular material has an expanded or foamed polymer matrix.

Abstract: The product made of crosslinked polyolefin foam of the invention is characterized by a compression of at most 7 N/cm2, measured according to the ASTM D 1667 standard with a degree of compression of 30% and a rate of compression of 10 mm/minute, for a density of at least 100 kg/m3, it being understood that this maximum compression may decrease for lower densities and increase for higher densities. The invention comprises, moreover, the application of this product as a seal.

Abstract: The present invention relates to a pressure sensitive adhesive foam with a percentage of theoretical density less than 90, wherein the foam has a peel adhesion of greater than about 1 N/cm and a compression set under constant deflection of less than about 60%. The present invention further includes a pressure sensitive adhesive foam comprising a thermoplastic block copolymer, a tackifying resin; an isocyanate terminated monomer or oligomer; a polymer comprising a backbone selected from the group consisting of polybutadiene, polyester and polyether, wherein the polymer contains at least 2 active hydrogens capable of reacting with the isocyanate terminated monomer; and expandable particulate materials. The present invention further includes a pressure sensitive adhesive foam comprising a thermoplastic olefin polymer or copolymer, having a density less than 0.

Abstract: The invention relates to a glazing assembly comprising at least one and in particular two transparent semi-rigid or rigid substrates on which substrate or between which substrates is placed at least one thermally, electrically and/or electrochemically active system which glazing assembly is provided with at least one seal in contact with at least one of the thermally, electrically or electrochemically active materials of the said system. The seal has an electrical conductivity of less than 10.sup.-4 ohm.sup.-1 .multidot.cm.sup.-1 and/or contains compounds which are essentially free of chemical species or functional groups capable of diffusing out of the seal and reacting chemically or electrochemically with at least one of the said materials within the operating voltage and/or temperature range of the system.

Abstract: The present invention relates to a pressure sensitive adhesive foam with a percentage of theoretical density less than 90 wherein the foam has an intrinsic adhesion of greater than about 1 N/cm and a compression set under constant deflection of less than about 60%. The present invention further includes a pressure sensitive adhesive foam comprising a thermoplastic block copolymer; a tackifying resin; an isocyanate terminated monomer or oligomer; a polymer comprising a backbone of selected from the group consisting of polybutadiene, polyester and polyether, wherein the polymer contains at least 2 active hydrogens capable of reacting with the isocyanate terminated monomer; and expandable particulate materials. The invention finally further comprises a method of forming the above film.

Abstract: Finished articles made of flexible polyvinyl chloride (PVC) using plastisol technology are improved in terms of resistance to heat and solvents and reduction in plasticizer migration by incorporating into the traditional plastisol ingredients substantial amounts of blocked di- or polyisocyanates and di- or polyols and/or di- or polyamines, which, upon heating react with each other to form a polymer network within the article while the PVC is gelling.

Abstract: An interpenetrating polymer system prepared from a mixture of a moisture-cured prepolymer component and elastomeric component which is non-reactive with the prepolymer component, wherein exposure of the mixture to ambient moisture cures the prepolymer component entrapping the elastomeric component and forming a product which is essentially thermoset. The product may be essentially non-foamed or highly foamed and and either tack-free or self-adhesive. It is particularly suitable for use as sealing gaskets, sheet stock, tubing, and as sealant-encapsulants.

Abstract: An interpenetrating polymer system prepared from a mixture of a moisture-cured prepolymer component and an elastomeric component which is non-reactive with the prepolymer component, wherein exposure of the mixture to ambient moisture cures the prepolymer component entrapping the elastomeric component and forming a product which is essentially thermoset. The product may be essentially non-foamed or highly foamed and and either tack-free or self-adhesive. It is particularly suitable for use as sealing gaskets, sheet stock, tubing, and as sealant-encapsulants.

Abstract: Skis of laminated construction are assembled by joining the several lamellae with a hot melt adhesive which preferably contains an effective amount of an adhesion promoting agent. The hot melt adhesive is preferably a linear polyester, polyesteretheramide, polyetherester, polyamide, polyetherurethane, copolymer of ethylene-vinylacetate, polyesteramide, or polyetheramide, and when the adhesive is based on a copolymer, it is more preferable still that the copolymer is a block copolymer.

Abstract: Skis of laminated construction are assembled by joining the several lamellae with a hot metal adhesive which preferably contains an effective amount of an adhesion promoting agent. The hot melt adhesive is preferably a linear polyester, polyesteretheramide, polyetherester, polyamide, polyetherurethane, copolymer of ethylene-vinylacetate, polyesteramide, or polytheramide, and when the adhesve is based on a copolymer, it is more preferable still that the copolymer is a block copolymer.

Abstract: A combination of materials is disclosed which imparts superior fire retardant properties to organic polymers and the gaseous by-products of those polymers. The combination is made up of an organo phosphate plasticizer, aluminum hydroxide or alumina hydrate, antimony trioxide, a borate, a brominated hydrocarbon and a chlorinated paraffin.

Abstract: A combination of materials is disclosed which imparts superior fire retardant properties to organic polymers and the gaseous by-products of those polymers. The combination is made up of an organo phosphate plasticizer, aluminum hydroxide or alumina hydrate, antimony trioxide, a borate, a brominated hydrocarbon and a chlorinated paraffin.