Title:
【発明の名称】ポリマーの凝固仕上げ方法
Document Type and Number:
Japanese Patent JP3490092
Kind Code:
B2
Abstract:
A process for coagulation finishing (co)polymer by using polyvinyl alcohol as dispersant during said coagulation. In particular, low viscosity block copolymers, comprising at least one block of predominantly conjugated diene and at least one block of predominantly monovinyl aromatic monomer, can be successfully finished. The polyvinylalcohol is characterized by a weight average molecular weight of from 200 to 200,000 and by an average degree of hydrolysis of from 25 to 98%.
Inventors:
Juan Dyck, Cornelis Marteinus
Flotenheiss, Paulus Alexander Maria
Flotenheiss, Paulus Alexander Maria
Application Number:
JP51819296A
Publication Date:
January 26, 2004
Filing Date:
November 28, 1995
Export Citation:
Assignee:
Ciel International Research Mart Shats Pay BV
International Classes:
C08C2/06; C08F6/00; C08F6/12; C08F236/10; C08J3/00; C08F297/04; C08J3/16; (IPC1-7): C08J3/00; C08F6/12
Other References:
【文献】欧州特許出願公開442569(EP,A2)
【文献】欧州特許出願公開77561(EP,A1)
【文献】欧州特許出願公開77561(EP,A1)
Attorney, Agent or Firm:
Yoshio Kawaguchi (3 outside)