Abstract: A sandwich glass comprising glass plates and an intermediate layer interposed therebetween is disclosed. The intermediate layer is formed by crosslinking or photocrosslinking a resin composition comprising an ethylenevinyl acetate copolymer and an organic peroxide or a photosensitizer under heating of the resin composition above the melting point of the copolymer.

Abstract: A sandwich glass having an intermediate layer formed of a photosensitive resin consisting mainly of an acryloyloxy group- or methacryloyloxy group-containing high polymer and at least one of acrylic acid, methacrylic acid and acryloyloxy group- or methacryloyloxy group-containing compound is excellent in the adhesion between the intermediate layer and the glass plates and has high impact absorbing ability, light resistance and heat resistance.

Abstract: A composite composed of vulcanized rubber and thermoplastic resin which adheres tightly to the rubber can be obtained by treating the surface of the vulcanized rubber with at least one of halogen, halogen generating compound and halogenoid, and bonding melted polyamide resin, polyester resin, styrene series resin or acrylic resin to the above treated rubber surface region by the injection or extrusion molding.

Abstract: Polyurethane products having improved flex crack resistance can be obtained by curing a mixture of (a) a polyurethane prepolymer having terminal isocyanate group and (b) at least one curative selected from polyamine and polyol to prepare a polyurethane product, and heat treating the polyurethane product at a temperature of 60.degree.-180.degree. C for 1-30,000 minutes under an atmosphere having an absolute humidity of at least 2%.

Abstract: A butadiene-acrylonitrile copolymer rubber (NBR) composition can be strongly adhered to a metal material by compounding (A) a halogenated aromatic hydrocarbon having the general formulaR.sub.n.sub.' --(Ar)--CX.sub.m H.sub. 3-m).sub.nOr ##STR1## WHEREIN Ar is benzene nucleus residue or naphthalene nucleus residue, R is a hydrocarbon residue having 1-6 carbon atoms, hydrogen atom or halogen atom, X is halogen atom, m is 1-3, n" is 1-3, when Ar is benzene nucleus residue, n is 1-6 and n' is 0-5 (provided that n+n'.ltoreq.6) and when Ar is naphthalene nucleus residue, n is 1-8 and n' is 0-7 (provided that n+n'.ltoreq.8), and (B) at least one compound selected from the oxides, carbonates, sulfides and hydroxides of metals of groups I, II, IV, V and VIII in the Periodic Table and aluminum hydroxide, to the NBR composition, contacting the resulting rubber composition to the metal material, and vulcanizing the rubber composition to adhere the composition to the metal material.