Molecular weight truncation and color control in macromonomers

Details Molecular weight truncation and color control in macromonomers Molecular weight truncation and color control in macromonomers

1997-01-30

1998-03-10

Zitomer, Fred

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526120, 526131, 526133, 526141, 526319, C08F 238

Patent

active

057262632

ABSTRACT:
Macromonomers formed by chain transfer catalysis polymerization methods may be decolorized by selective extraction and/or adsorption. The dimers and trimers formed during the polymerization reaction are also removed from the macromonomer mixture so that the remaining mixture has a very low optical density and a desirable degree of polymerization.

REFERENCES:
patent: 4680352 (1987-07-01), Janowicz
F.W. Billmeyer, Jr., "Textbook of Polymer Science" (1984), 3rd Edition, 116-117, Wiley (New York).

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