Login| Sign Up| Help| Contact|

Patent Searching and Data


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 (3-12, Koryonakamachi 4-chome Sakai-shi, Osaka, 590-0024, JP)
Yoshida, Masatoshi (11-17, Gakuenkita 2-chome Nara-shi, Nara, 631-0036, JP)
Application Number:
PCT/JP2002/003321
Publication Date:
October 09, 2003
Filing Date:
April 03, 2002
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIPPON SHOKUBAI CO., LTD. (1-1 Koraibashi 4-chome, Chuo-ku Osaka-shi, Osaka, 541-0043, 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:
WO1996023840A2
Foreign References:
JPS62100555A
JPH0331341A
JPH0331340A
JPH02132157A
JPH03166407A
JPS5059413A
JPS59220355A
JP2001031873A
JP2002114910A
JPH0790228A
US4492781A
JPS5374722A
JPS5052120A
JPS5958079A
JPS601260A
JPH04126770A
JPH06329919A
EP0268040A2
EP0264645A2
Attorney, Agent or Firm:
Yasutomi, Yasuo (Chuo BLDG. 4-20, Nishinakajima 5-chome Yodogawa-ku Osaka-shi, Osaka, 532-0011, JP)
Download PDF: