Title:
ADHESIVE COMPOSITION
Document Type and Number:
WIPO Patent Application WO2002057386
Kind Code:
A3
Abstract:
The invention relates to an adhesive composition comprising (i) one or more styrenic block copolymers, (ii) a tackifier resin, and (iii) one or more plasticizers, wherein the or one of the styrenic block copolymers is of the general formulae A-C-A (1), or (A-C)n-X (2),wherein each A independently is a polymer block of an aromatic vinyl compound, and C is a mixed polymer block (B/I) of butadiene (B) and isoprene (I) in a weight ratio B:I in the range of 30:70 to 70:30, and said polymer block C has a glass transition temperature (Tg) of at most -50 DEG C (determined according to ASTM E-1356-98), n is an integer equal to or greater than 2, and X is the residue of a coupling agent,and wherein the tackifier resin has an aromaticity (in relative percentage of aromatic protons as determined by H-NMR) in the range of from 3 to 18%.
Inventors:
DE KEYZER NOEL RAYMOND MAURICE (BE)
SOUTHWICK JEFFREY GEORGE (US)
VAN DIJK MARTIN (NL)
SOUTHWICK JEFFREY GEORGE (US)
VAN DIJK MARTIN (NL)
Application Number:
PCT/EP2002/000525
Publication Date:
January 23, 2003
Filing Date:
January 17, 2002
Export Citation:
Assignee:
KRATON POLYMERS RES BV (NL)
DE KEYZER NOEL RAYMOND MAURICE (BE)
SOUTHWICK JEFFREY GEORGE (US)
VAN DIJK MARTIN (NL)
DE KEYZER NOEL RAYMOND MAURICE (BE)
SOUTHWICK JEFFREY GEORGE (US)
VAN DIJK MARTIN (NL)
International Classes:
C08F297/04; C09J153/02; C09J157/00; (IPC1-7): C09J153/02; C08F297/04
Foreign References:
DE2942128A1 | 1981-04-30 | |||
EP0802251A1 | 1997-10-22 | |||
EP0362850A2 | 1990-04-11 |
Other References:
DATABASE WPI Week 199405, Derwent World Patents Index; AN 1994 040113, XP002216588
Download PDF: