Title:
METALATION AND FUNCTIONALIZATION OF POLYMERS AND COPOLYMERS
Document Type and Number:
WIPO Patent Application WO1996036650
Kind Code:
A3
Abstract:
There is provided a method of introducing functionality into a copolymer of an isoolefin and an alkylstyrene at the alkylbenzyl carbon atom comprising the steps of: forming a solution of said copolymer in a hydrocarbon solvent; adding to said polymer solution an alkali metal Na, K, Rb, Cs alkoxide and an alkyl lithium compound to form a superbase with the polymer solution; and adding an electrophile to the metalated polymer solution; also provided are the metalated copolymers and the functionalized derivatives therefrom.
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Inventors:
FRECHET JEAN M J
HAQUE SHAH A
STEINKE JOACHIM H G
WANG HSIEN-CHANG
HAQUE SHAH A
STEINKE JOACHIM H G
WANG HSIEN-CHANG
Application Number:
PCT/US1996/007278
Publication Date:
December 19, 1996
Filing Date:
May 20, 1996
Export Citation:
Assignee:
EXXON CHEMICAL PATENTS INC (US)
CORNELL RES FOUNDATION INC (US)
CORNELL RES FOUNDATION INC (US)
International Classes:
C08F8/00; C08F8/42; C08L23/26; C08F210/10; (IPC1-7): C08F8/42; C08F210/10
Domestic Patent References:
| WO1994022950A2 | 1994-10-13 | |||
| WO1991004993A1 | 1991-04-18 | |||
| WO1995010544A1 | 1995-04-20 |
Foreign References:
| DE1911886A1 | 1969-11-06 | |||
| EP0189672A2 | 1986-08-06 | |||
| DE1905331A1 | 1971-06-09 | |||
| US3978161A | 1976-08-31 | |||
| EP0179969A2 | 1986-05-07 |
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