PETROLEUM RESIN, PRODUCTION PROCESS THEREFOR, AND ADHESIVE COMPOSITIONS

Title:

PETROLEUM RESIN, PRODUCTION PROCESS THEREFOR, AND ADHESIVE COMPOSITIONS

Document Type and Number:

WIPO Patent Application WO/2004/065439

Kind Code:

A1

Abstract:

A petroleum resin which comprises 30 to 95 wt% of units derived from one or more C_4-6 olefinic unsaturated hydrocarbon monomers and 70 to 5 wt% of styrene units, characterized by having a melt hue of 4 or below in terms of Gardner color number, a softening point of 60 to 130°C, and a weight-average molecular weight of 1,000 to 10,000; and adhesive compositions comprising the petroleum resin and thermoplastic polymers. The adhesive compositions are excellent in color tone and adhesive property, thus being favorably usable for sanitary supplies and food packaging.

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Inventors:

ISHIHARA JUN (JP)
SAKAKIBARA TOSHIHIRO (JP)
SHIMADA SUSUMU (JP)

Application Number:

PCT/JP2004/000237

Publication Date:

August 05, 2004

Filing Date:

January 15, 2004

Export Citation:

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Assignee:

ZEON CORP (JP)
ISHIHARA JUN (JP)
SAKAKIBARA TOSHIHIRO (JP)
SHIMADA SUSUMU (JP)

International Classes:

C08F4/54; C08F210/08; C08F210/14; C08F212/08; C09J7/38; C09J11/08; C09J135/06; C09J157/00; (IPC1-7): C08F240/00; C08F4/54; C09J157/00; C09J7/02

Foreign References:

JPS50136385A	1975-10-29
JPS53145896A	1978-12-19
JPH09316116A	1997-12-09
JPS6433105A	1989-02-03
JPS5021088A	1975-03-06

Attorney, Agent or Firm:

Tsukawaki, Masahiro (Bridgestone Toranomon Bldg. 6F. 25-, Toranomon 3-chome Minato-ku Tokyo 01, JP)

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