Polyester resin composition

Details Polyester resin composition Polyester resin composition

1980-03-24

1981-05-19

Phynes, Lucille M.

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

Synthetic resins

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

428395, 528296, 528300, 528302, 528308, C08G 6376, C08F28300

Patent

active

042686458

ABSTRACT:
A composition suitable for warp sizing polyester and polyester/cotton yarns comprising water soluble polyester resin having (1) a backbone portion comprising the reaction product of dihydroxy compound having a maximum molecular weight of 250 and dicarboxylic acid compound wherein the acid number of said backbone portion is less than 3 and (2) internal and pendant carboxylic acid moieties comprising an aromatic polycarboxylic acid compound having at least 3 acyl moieties which provides from 5 to 75 equivalent percent of the acyl moieties in the polyester, the said polyester resin having a molecular weight within the range of from 5000 to 35000 and an acid number within the range of from 15 to 55.

REFERENCES:
patent: 3548026 (1970-12-01), Weisfeld et al.
patent: 3652502 (1972-03-01), Jackson et al.
patent: 3931422 (1976-01-01), Bateman et al.
patent: 3981833 (1976-09-01), Lark
patent: 4058496 (1977-11-01), Holda et al.
patent: 4080316 (1978-03-01), Holda et al.

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