Cationic polymerization of 1-olefins

Details Cationic polymerization of 1-olefins Cationic polymerization of 1-olefins

1990-11-28

1993-10-19

Teskin, Fred

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526207, 526208, 526209, 526210, 526213, 526214, 526237, 526290, 5263487, 585530, C08F 416, C08F 1010

Patent

active

052546497

ABSTRACT:
This invention relates to a process for producing a polymer predominating in terminal unsaturation by cationically polymerising a 1-olefin in the liquid phase at a temperature from -100.degree. to +100.degree. C. in the presence of a catalyst composition comprising tin tetrachloride and a co-catalyst which is a source of cations and which is substantially free of organometallic compounds. The process is particularly suited to producing polybutenes having high vinylidene content which have high reactivity, especially towards forming maleic anhydride adducts.

REFERENCES:
patent: 2085535 (1937-06-01), Langedijk et al.
patent: 2314911 (1943-03-01), Trepp
Norrish et al., "Friedel-Crafts Catalysts in Polymerization," Nature, 160, 543-544 (1947).

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