Abstract: A construction adhesive is described which is particularly useful in attaching foamed polystyrene sheets to substrates. These adhesives comprise a particular linear or radial ABA-type monoalkenyl arene-conjugated diene block copolymer and a mixed cyclohexane/normal hexane solvent.

Abstract: A cured polymer composition possessing excellent cohesive strength at high temperatures along with good solvent resistance and processing characteristics is prepared by the radiation curing of a composition comprising a linear or radial polydiene, tackifying resin, and a di-to-tetra-functional acrylate or methacrylate selected from the group consisting of acrylic and methacrylic acid esters of polyols.

Abstract: A cured adhesive composition possessing excellent cohesive strength at high temperatures along with excellent shear strength and solvent resistance is prepared by the electron beam initiated curing of an adhesive composition comprising selectively hydrogenated monoalkenyl arene/conjugated diene block copolymer component, tackifying resin and a di-to-tetra-functional acrylate or methacrylate selected from the group consisting of acrylic and methacrylic acid esters of polyols.

Abstract: A cured adhesive composition possessing excellent cohesive strength at high temperatures along with excellent adhesion, shear strength and solvent resistance is prepared by the radiation initiated curing of an adhesive composition comprising a monoalkenyl arene/conjugated diene block copolymer, tackifying resin and a di-to-tetra-functional acrylate or methacrylate selected from the group consisting of acrylic and methacrylic acid esters of polyols.

Abstract: The cohesive strength of a monoalkenyl arene-diene block copolymer adhesive composition containing as a minimum block copolymer and tackifying resin components is controlled by varying the coupling efficiency of the block copolymer polymerization process.

Abstract: Novel lubricating compositions are provided comprising a lubricating oil modified with a pour point depressant and as a superior viscosity index improver, a copolymer of butadiene and isoprene having between 20-55% 1,4-configuration, this polymer then having been hydrogenated to remove substantially all of the olefinic unsaturation.

Abstract: A primer for block copolymer based sealants comprises a solution of the block copolymer, an adhesion promoting resin compatible in the higher softening point block of the block copolymer, a silane and oxidation/UV stabilizers. A process for applying a block copolymer based sealant comprises coating a substrate with a thin layer of a solution of block copolymer, an adhesion promoting resin associating with the block having the highest softening point, a silane and oxidation/UV stabilizers in a solvent, evaporating the solvent and applying a layer of block copolymer sealant over the residue left after evaporating the solvent.

Abstract: Sealant compositions exhibiting good substrate/sealant adhesion comprise 3 to 30 percent by weight of a block copolymer, 2 to 40 percent by weight butyl rubber, 10 to 70 percent by weight of a plasticizing oil having a solubility parameter ranging from 6 to 8, about 1 to about 50 percent by weight of an adhesion promoting resin having a solubility parameter ranging from about 8 to about 12, about 1 to about 70 percent by weight of an inorganic filler and about 0.01 to about 2.0 percent by weight of a UV/oxidation stabilizer or a mixture of UV/oxidation stabilizers.

Abstract: Lubricating compositions having improved operating life comprise lubricants containing hydrogenated polymers of conjugated dienes wherein at least 98% of the olefinic double bonds present in the non-hydrogenated precursors are reduced and at least 20% of the polymeric molecules contain no olefinic double bonds in the polymer backbone.