公开(公告)号：US3862912A

公开(公告)日：1975-01-28

申请号：US47500074

申请日：1974-05-31

Applicant: TEXACO AG

Inventor： BERNDT HEINZ ,  SIMIC DRAGOMIR ,  ZUPANCIC HEINZ-ULRICH

IPC: C08J9/00 ,  C08L35/02 ,  C08L61/06 ,  C08L61/10 ,  C08G53/10

CPC classification number: C08J9/0061 ,  C08J2361/10 ,  C08J2457/00 ,  C08L35/02 ,  C08L61/06 ,  C08L2666/04

Abstract: Disclosed is a process for producing medium to coarse cell rigid phenolic resin foams having improved abrasion wear by adding to a mixture of phenol-formaldehyde resin, hardening and foaming agent, prior to foaming an additive dispersion consisting of a copolymer of fumaric acid diesters and of a vinyl aromatic compound such as styrene and optionally an olefin such as propylene.

Abstract translation: 公开了一种通过在发泡之前将苯酚 - 甲醛树脂，硬化和发泡剂的混合物加入到由富马酸二酯的共聚物和由富马酸二酯的共聚物组成的添加剂分散体的情况下，生产具有改善的耐磨损性的中等至粗细胞刚性酚醛树脂泡沫的方法 乙烯基芳族化合物如苯乙烯和任选的烯烃如丙烯。