Reduction in size of polyisobutene

Details Reduction in size of polyisobutene Reduction in size of polyisobutene

1991-09-10

1992-12-08

Watts, Douglas D.

Solid material comminution or disintegration

Processes

Miscellaneous

241 23, 528502, C08J 308

Patent

active

051690748

ABSTRACT:
A process for reducing the size of polyisobutene with a molecular weight of from 5,000,000 to 12,000,000 by grinding under pressures of from 1 to 50 bar and with average residence times of from 0.1 to 30 minutes entails the grinding being carried out at from 0.degree. to 60.degree. C.

REFERENCES:
patent: 3771729 (1973-11-01), Frable
patent: 4359193 (1982-11-01), Schonert
patent: 4510304 (1985-04-01), Hadermann
patent: 4562972 (1986-01-01), Hagiwara et al.

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