Title:
【発明の名称】カップリングしたコポリマーを含有するビチューメン配合組成物
Document Type and Number:
Japanese Patent JP2001507751
Kind Code:
A
Abstract:
The present invention relates to bituminous compositions used for roofing and waterproofing membranes or material comprising asymmetrical coupled polyvinyl aromatic-polydiene block copolymers having improved physical properties over broader ranges of service temperatures than those obtained from bituminous compositions prepared with symmetrical block copolymers of similar type. The asymmetry of the copolymer which is characterised by polyvinyl aromatic endblocks of at least two different molecular weights, one high and one low, ensures improved physical performance to roofing and waterproofing membranes made from such compositions .
Inventors:
Avo, Bernard
Lanza, Emanuel
Are, Jiyang-Filip
Noire, Andre
Lanza, Emanuel
Are, Jiyang-Filip
Noire, Andre
Application Number:
JP53054098A
Publication Date:
June 12, 2001
Filing Date:
January 08, 1998
Export Citation:
Assignee:
FINA RESEARCH SOCIETE ANONYME
International Classes:
C08F297/04; C08L95/00; E04D5/06; (IPC1-7): C08L95/00
Attorney, Agent or Firm:
Heiyoshi Odashima (1 person outside)