Process for the preparation of unsaturated polyesters adapted fo

Details Process for the preparation of unsaturated polyesters adapted fo Process for the preparation of unsaturated polyesters adapted fo

1980-04-24

1982-01-26

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

528274, 528283, 528303, 528306, 528307, 525445, C08G 6366

Patent

active

043129781

ABSTRACT:
A process for the preparation of an unsaturated polyester from a glycol and tetrahydrophthalic anhydride, maleic anhydride and/or fumaric acid, suitable for the production of an unsaturated polyester resin rapidly loosing its surface tackiness after cross-linking, and furnishing very flexible materials which are resistant to creasing, is described. The glycol employed has at least two ether bridges regularly alternated with --CH.sub.2 --CH.sub.2 -- groups. The reaction is carried out in such a way as to obtain an alkyd essentially exempt from free tetrahydrophthalic anhydride. The resins thus prepared are adapted to the production of putties free from surface tackiness and having good finishing properties for application by spraying and/or by putty knife.

REFERENCES:
patent: 2253681 (1941-08-01), Bradley et al.
patent: 2418633 (1947-04-01), Gould
patent: 2982746 (1961-05-01), Hart

Affiliated with

Also associated with

Rating

Process for the preparation of unsaturated polyesters adapted fo does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the preparation of unsaturated polyesters adapted fo, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of unsaturated polyesters adapted fo will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1667379