| abstract |
PCT No. PCT/US87/00139 Sec. 371 Date Sep. 21, 1987 Sec. 102(e) Date Sep. 21, 1987 PCT Filed Jan. 21, 1987 PCT Pub. No. WO87/04445 PCT Pub. Date Jul. 30, 1987.The use in otherwise conventional polyolefin extrusion foaming process of a stability control agent, in conjunction with certain binary or tertnary mixed blowing agent systems containing 1,2-dichlorotetrafluoroethane provides closed-cell olefin polymer foam articles having increased maximum cross-sections, smooth skins and good dimensional stability. |