Use of 1,3-dioxacyclopentane as a solvent for polyester resins

Details Use of 1,3-dioxacyclopentane as a solvent for polyester resins Use of 1,3-dioxacyclopentane as a solvent for polyester resins

1992-05-08

1993-10-05

Acquah, Samuel A.

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

Synthetic resins

Treating polymer containing material or treating a solid...

528272, 528274, 528296, 528302, 528493, 524113, 524356, 524366, 524755, C08J 302

Patent

active

052506592

ABSTRACT:
Polyester resins, comprising the polymerized residues of dibasic acids and diols, dibasic anhydrides and diols, and the lower alkyl esters of dibasic acids and diols, are soluble up to 40% by weight of solids in 1,3-dioxacyclopentane, and blends of 1,3-dioxacyclopentane with other relatively nontoxic solvents.

REFERENCES:
patent: 4075263 (1978-02-01), Lane et al.
patent: 4298724 (1981-11-01), Sommerfield et al.
patent: 4419476 (1983-12-01), Coughlin et al.
patent: 4486508 (1984-12-01), Coughlin et al.
patent: 4487909 (1984-12-01), Couhglin et al.
patent: 4581093 (1986-04-01), Noyes et al.
Poligrafiia, 1983, No. 7, "A Substitute for Formal Glycol", pp. 29-30, Krikunova, V. and Semenova, R., translated from the Russian.
Material Safety Data Sheet on 1,3-dioxacyclopentane.
DuPont Bulletin on Polyester Resins, Adhesives and Coatings.
List of solubility parameters, from Polymer Handbook, Wiley Interscience.

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