| 摘要 |
1522814 Blending RTV si:icone rubber compositions in a devolatilizing extruder GENERAL ELECTRIC CO 25 Sept 1975 [27 Nov 1974] 39328/75 Heading C3T An RTV composition according to Specification 1,493,372, viz one containing 100 p.b.w. of apolydiorganosiloxane diol having 10-15,000 units, 0À01-5 p.b.w. of a hydrocarbonoxysilane and at least the same weight (as of the silane) of an organoxy-metal compound reactive to silanol groups (but not restricted, as 1,493,372 is, to Ti compounds) is prepared by passing the ingredients through a devolatilizing extruder. |
