Terpolymer production

Details Terpolymer production Terpolymer production

1986-03-14

1987-01-06

Michl, Paul R.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5263486, C08F 1008

Patent

active

046347453

ABSTRACT:
Terpolymers comprising propylene and small amounts of ethylene and butene-1 are made in a two-stage process wherein a relatively high melting random terpolymer is made in a first stage and a relatively low-melting random terpolymer incorporating a higher concentration of ethylene, is made in a second stage so that it is dispersed in the product of the first stage. The two process stages may be operated in a single batch reactor or two continuous reactors in series.

REFERENCES:
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patent: 4322514 (1982-03-01), Miyoshi
patent: 4367322 (1983-01-01), Shiga
patent: 4368291 (1983-01-01), Frese
patent: 4404342 (1983-09-01), Miyoshi
patent: 4414369 (1983-11-01), Kuroda
patent: 4483971 (1984-11-01), Sato

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