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Title:
ASPHALT MODIFYING MATERIAL HAVING SPECIFIC COMPOSITION, MODIFIED ASPHALT MIXTURE AND METHOD OF PAVEMENT USING THE SAME, AND COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2003/082986
Kind Code:
A1
Abstract:
An asphalt modifying material which comprises an elastomer and a (meth)acrylic resin, wherein the (meth)acrylic resin is contained in a proportion of 0.01 to 1.5 parts by weight relative to 1.0 parts by weight of the elastomer&semi a modified asphalt and a modified asphalt mixture comprising the asphalt modifying material&semi a method of asphalt pavement using the modified asphalt mixture&semi and a composition comprising a styrenic elastomer and a (meth)acrylic resin. The asphalt modifying material is suppressed with respect to the phase separation between asphalt and the material and exhibits improved toughness and tenacity without detriment to its workability or to its production cost, and further has enhanced adhesion to an aggregate, which leads to the excellent durability of the resultant pavement.

Inventors:
YAMAZAKI HIROSHI
YOSHIDA MASATOSHI
Application Number:
PCT/JP2002/003321
Publication Date:
October 09, 2003
Filing Date:
April 03, 2002
Export Citation:
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Assignee:
NIPPON CATALYTIC CHEM IND (JP)
International Classes:
E01C7/18; C08L21/00; C08L23/08; C08L33/04; C08L53/00; C08L95/00; E01C7/26; C08L33/02; C08L53/02; (IPC1-7): C08L95/00; C08L33/00; E01C7/18
Domestic Patent References:
WO1996023840A21996-08-08
Foreign References:
JPS62100555A1987-05-11
JPH0331341A1991-02-12
JPH0331340A1991-02-12
JPH02132157A1990-05-21
JPH03166407A1991-07-18
JPS5059413A1975-05-22
JPS59220355A1984-12-11
JP2001031873A2001-02-06
JP2002114910A2002-04-16
JPH0790228A1995-04-04
US4492781A1985-01-08
JPS5374722A1978-07-03
JPS5052120A1975-05-09
JPS5958079A1984-04-03
JPS601260A1985-01-07
JPH04126770A1992-04-27
JPH06329919A1994-11-29
EP0268040A21988-05-25
EP0264645A21988-04-27
Attorney, Agent or Firm:
Yasutomi, Yasuo (Chuo BLDG. 4-20, Nishinakajima 5-chome Yodogawa-ku Osaka-shi, Osaka, 532-0011, JP)
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