Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1978-08-21
1980-10-14
Schofer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526308, 526313, 260 4AR;5, 525 93, 525210, 525216, C08F23600, C08F 3600, C08F23208
Patent
active
042282667
ABSTRACT:
A novel copolymer resin having excellent compatibility with rubber and plastics, stable to air, easily soluble in the hydrocarbon solvents and free of gel, said resin being obtained either (1) by copolymerizing one or more of the monomeric substances selected from the group consisting of cyclopentadiene, dicyclopentadiene and alkyl-substituted compounds thereof and one or more of the substances selected from the hydroxystyrene derivatives, or (2) by copolymerizing one or more of the monomeric substances selected from the group consisting of cyclopentadiene, dicyclopentadiene and alkyl-substituted compounds thereof, one or more of the substances selected from the codimers of cyclopentadiene and/or alkyl-substituted compounds thereof and chain conjugated diolefins having 4 to 5 carbon atoms, and one or more of the substances selected from the hydroxystyrene derivatives. There are also provided compositions comprising said resin and rubber or thermoplastic high-molecular weight substances.
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patent: 4046838 (1977-09-01), Feeney
patent: 4102834 (1978-07-01), Morimoto et al.
Derwent, 49314U-AFG (JA473500-Q) "Thermoplastic Copolymers of (Di)cyclopentadiene".
Derwent, 77663A/43 (J78035-976)(9-20-78) "Tackifier for Pressure Sensitive Adhesives".
Derwent, 73767T-A (JA-7243307-R) "Thermoplastic Resin Prodn-by Polymsn of (Di)cyclopentadiene".
Kanagawa Shuichi
Kitagawa Yoshihiko
Koyama Teruhisa
Kudo Ken-ichi
Takata Akira
Lilling Herbert J.
Schofer Joseph L.
Sumitomo Chemical Company Limited
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