High impact polymer and process for its production

Details High impact polymer and process for its production High impact polymer and process for its production

1976-09-17

1978-09-19

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C08F27906

Patent

active

041154789

ABSTRACT:
A two step process for the production of high impact strength polymer compositions. The process includes reacting an acrylic and a vinyl aromatic with an elastomeric polymer, forming an intermediate reaction product containing acrylic and vinyl aromatic units grafted on to the elastomeric polymer backbone. Additional acrylic and vinyl aromatic are added and a final reaction product suitable for use in molding processes is produced. Preferably, both steps of the process are carried out in aqueous suspension. The product is made up of an insitu mixture of a graft polymer having elastomeric polymer backbone and a random polymer made up of units of vinyl aromatic and acrylic units.

REFERENCES:
patent: 2886553 (1959-05-01), Stein
patent: 3178489 (1965-04-01), Lunk
patent: 3261887 (1966-07-01), Mann
patent: 3267178 (1966-08-01), Lee
patent: 3359345 (1967-12-01), Doak
patent: 3400175 (1968-09-01), Finestone
patent: 3536784 (1970-10-01), Skendrovich
patent: 3671610 (1972-06-01), Amagi

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