Title: Process for purifying rubber
Application Number: 85101756 Application Date: 1985.04.01
Publication Number: 1008067 Publication Date: 1987.01.31
Approval Pub. Date: Granted Pub. Date: 1990.06.13
International Classifi-cation: C08F6/00,C08F6/10,C08F210/18
Applicant(s) Name: Stamicarbon B.V. Address:
Inventor(s) Name:
Attorney & Agent: LU XINHUA
Abstract:
     This invention relates to the purification of ethylene-diene rubbers by extraction. The extractant should have critical temp. less than 435 deg.K. The extracting temperature should be higher than the critical temp. of extractant. Extract pressure used should be higher than the critical pressure of extractant.
Time: 8