Process for production of acryloyloxy- or methacryloyloxy-termin

Details Process for production of acryloyloxy- or methacryloyloxy-termin Process for production of acryloyloxy- or methacryloyloxy-termin

1981-02-23

1982-05-18

Welsh, Maurice J.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

528301, 528304, C08G 6318

Patent

active

043306438

ABSTRACT:
A process for production of an acryloyloxy- or methacryloyloxy-terminated polyester is described, which comprises reacting a specific hydroxy-terminated polyester with acrylic acid or methacrylic acid, wherein the hydroxy-terminated polyester comprises (a) a dicarboxylic acid unit comprising about 10 to about 80 mol % of a terephthalic acid unit and about 90 to about 20 mol % of another dicarboxylic acid unit and (b) a dihydric alcohol unit containing about 30 mol % or more of a dihydric alcohol unit containing 3 or more carbon atoms and having a number average molecular weight of about 400 to about 5,000.

REFERENCES:
patent: 3455802 (1969-07-01), D'Alelio

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