Geler

摘要

PCT No. PCT/GB92/01627 Sec. 371 Date Mar. 4, 1994 Sec. 102(e) Date Mar. 4, 1994 PCT Filed Sep. 7, 1992 PCT Pub. No. WO93/05113 PCT Pub. Date Mar. 18, 1993Gels made of 100 parts of Styrene-elastomer-styrene triblock copolymers and more than 300 parts of an oil which softens and extends the elastomer mid-block of the copolymer are rendered resistant to oil exudation under pressure by incorporation of a styrene-elastomer diblock copolymer. Preferred triblocks are styrene-ethylene/butylene-styrene and preferred diblocks are styrene-ethylene/propylene. Use of the gels as sealants in enclosures for electrical connections designed to hold the gel under compression is disclosed.