Solventless process for producing dialkyl fumarate-vinyl acetate

Details Solventless process for producing dialkyl fumarate-vinyl acetate Solventless process for producing dialkyl fumarate-vinyl acetate

1986-12-18

1988-09-20

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5263295, 526330, 252 56D, 252 56R, C08F22210, C08F22012, C08F21802

Patent

active

047726741

ABSTRACT:
Process for the bulk polymerization of vinyl acetate with a diester are disclosed which are carried out in the absence of a solvent and including reacting the vinyl acetate and fumaric acid diester with a peroxide catalyst at specified molar ratios and up to reaction temperatures of from 255.degree. to 320.degree. F. to produce fumarate vinyl acetate copolymers having number average molecular weight below 50,000 for use as lubricating oil and fuel oil additives.

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patent: 2936300 (1960-05-01), Tutwiler et al.
patent: 3507908 (1970-04-01), Young et al.
patent: 4220744 (1980-09-01), Tulacs et al.

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