公开(公告)号：US3487038A

公开(公告)日：1969-12-30

申请号：US3487038D

申请日：1966-06-13

Applicant: STANDARD OIL CO

Inventor： TOY LEONARD E ,  WEISZ ROBERT G

IPC: C04B24/26 ,  C04B28/02 ,  C04B28/04 ,  C08L21/02 ,  C09J123/16 ,  C09J123/22 ,  C04B13/30

CPC classification number: C09J123/16 ,  C04B24/26 ,  C04B28/02 ,  C04B28/04 ,  C08L21/02 ,  C08L2666/04 ,  C08L2666/54 ,  C09J123/22 ,  C04B40/00 ,  C08L2666/06

Abstract: 1,190,204. Thixotropic elastomeric compositions. STANDARD OIL CO. 12 June, 1967 [13 June, 1966], No. 26926/67. Heading C3P. [Also in Division C1] A thixotropic composition comprises a mixture of (A) an elastomer emulsion of 50-70 parts by wt. of elastomer solids in 30-50 parts of water and having a viscosity of at least 5000 cp.; and (B) 5-70 parts of liquid α- methylstyrene polymer/100 parts of (A). The elastomer may be polyisobutylene or butyl rubber. The composition may be mixed with hydraulic cement, e.g. portland cement, and used as a sealing composition.