Title:
ALKENYL AROMATIC RESIN
Document Type and Number:
WIPO Patent Application WO/2012/147514
Kind Code:
A1
Abstract:
Provided is an alkenyl aromatic resin which can be used as a hot-melt adhesive agent, has excellent compatibility with a polyethylene resin, and does not undergo the discoloration into yellow or the like. The alkenyl aromatic resin is produced by copolymerizing a mixture comprising the components (A1), (A2) and (A3) mentioned below at -78 to 50ºC with a Friedel-Crafts catalyst, and has a weight average molecular weight of 500 to 1650 in terms of polystyrene.
(A1) An alkenyl aromatic compound which has a boiling point ranging from 140 to 180ºC and does not contain indene, and/or at least one aromatic compound which is selected from styrene, α-methylstyrene, vinyltoluene and isopropenyltoluene: 50 to 80 mass%.
(A2) A turpentine oil which has a diene value ranging from 15 to 60 (cg/g): 20 to 50 mass%.
(A3) A phenol compound: 1 to 15 parts by weight relative to 100 parts by weight of the sum total of the components (A1) and (A2).
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Inventors:
AIDA FUYUKI (JP)
JIN ZHENGZHE (JP)
JIN ZHENGZHE (JP)
Application Number:
PCT/JP2012/059865
Publication Date:
November 01, 2012
Filing Date:
April 11, 2012
Export Citation:
Assignee:
JX NIPPON OIL & ENERGY CORP (JP)
AIDA FUYUKI (JP)
JIN ZHENGZHE (JP)
AIDA FUYUKI (JP)
JIN ZHENGZHE (JP)
International Classes:
C08L25/00; C08F2/44; C08F4/14; C09J123/08; C09J157/02; C09J191/06
Domestic Patent References:
| WO2002014392A1 | 2002-02-21 |
Foreign References:
| JPS5565248A | 1980-05-16 | |||
| JPH09316294A | 1997-12-09 | |||
| JP2002069408A | 2002-03-08 | |||
| JPS6433112A | 1989-02-03 | |||
| JP2001059078A | 2001-03-06 |
Attorney, Agent or Firm:
MORITA, NOBUYUKI (JP)
Yoriyuki Morita (JP)
Yoriyuki Morita (JP)
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Claims:
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