Title:
POLYMERIC RESIOUS SUBSTANCE DERIVED FROM LIMONENE, DICYCLOPENTADIENE, INDENE AND ALPHA-METHYLSTYRENE
Document Type and Number:
Japanese Patent JP2001098036
Kind Code:
A
Abstract:
To provide a resinous substance to be used in a tire tread to improve drag properties without reducing durability and tread abrasion resistance.
A resinous substance comprises (1) 5-70 wt.% units derived from limonene, (2) 5-70 wt.% units derived from dicyclopentadiene, (3) 5-45 wt.% units derived from indene, and (4) 5-45 wt.% units derived from α- methylstyrene, the sum of the units by wt.% derived from limonene and dicyclopentadiene being 40-75 wt.% based on the resin units and the sum of the units by wt.% derived from indene and α-methylstyrene being 25-60 wt.% based on the resin units.
Inventors:
KRALEVICH MARK LESLIE JR
BLOK EDWARD JOHN
WIDEMAN LAWSON GIBSON
SANDSTROM PAUL HARRY
BLOK EDWARD JOHN
WIDEMAN LAWSON GIBSON
SANDSTROM PAUL HARRY
Application Number:
JP2000247724A
Publication Date:
April 10, 2001
Filing Date:
August 17, 2000
Export Citation:
Assignee:
GOODYEAR TIRE & RUBBER
International Classes:
B60C1/00; C08F212/06; C08F232/00; C08F232/08; C08F236/20; C08L21/00; (IPC1-7): C08F236/20; B60C1/00; C08F212/06; C08F232/08; C08L21/00
Attorney, Agent or Firm:
Kazuo Shamoto (5 outside)