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公开(公告)号:US4250082A
公开(公告)日:1981-02-10
申请号:US38752
申请日:1979-05-14
IPC分类号: C08L7/00 , C08C1/00 , C08C2/00 , C08J3/215 , C08L21/00 , C08L21/02 , C08L23/00 , C08L101/00 , C08J3/20
CPC分类号: C08J3/215 , C08J2321/00
摘要: A process for the precipitation of a pulverulent filled rubber, which comprises mixing a rubber latex, a rubber solution or a rubber emulsion with a filler suspension, waterglass and a water-soluble aluminum salt at a predetermined pH value of 3.0-3.7, the pH value being kept constant by introduction of acid during the precipitation.
摘要翻译: 一种粉状填充橡胶的沉淀方法,其包括将橡胶胶乳,橡胶溶液或橡胶乳液与填料悬浮液,水玻璃和水溶性铝盐以预定的pH值为3.0-3.7,将pH 在沉淀期间通过引入酸保持恒定值。