Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1974-09-04
1977-03-08
Henderson, Christopher A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526113, 526114, 526126, 526136, 526142, C08F 2606
Patent
active
040113868
ABSTRACT:
Novel polymers or copolymers of norbornene-carboxylic acid amides can be obtained by contacting, in the presence or absence of an inert solvent, (I) at least one compound selected from the group consisting of 5-norbornene-2-carboxylic acid amide, 5-norbornene-2,3-dicarboxylic acid diamide and substituted derivatives thereof, or (II) a mixture of the said compound (I) with at least one compound selected from the group consisting of norbornenes having at least one substituent selected from the group consisting of ester groups, nitrile groups, esterified hydroxyl groups, acid imide groups, halogens and acid anhydride groups and cyclic olefins, with a catalyst composed of (a) at least one compound selected from the group consisting of compounds of W, Mo and Re and (b) at least one compound selected from the group consisting of compounds of elements of Groups IA, IIA, IIB, IIIA, IVA and IVB of the Deming Periodic Table, said compounds having at least one element-carbon bond or element-hydrogen bond.
REFERENCES:
patent: 3494897 (1970-02-01), Reding
patent: 3557062 (1971-01-01), Vergne
patent: 3707520 (1972-12-01), Pampus
patent: 3816382 (1974-06-01), Streck
patent: 3856758 (1974-12-01), Ueshima
Fukuhara Seiji
Komatsu Koei
Matsumoto Shuichi
Nakamura Ryuichi
Suzuki Kazuo
Henderson Christopher A.
Japan Synthetic Rubber Co. Ltd.
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