Use of a polyester in the preparation of coatings for the interi

Details Use of a polyester in the preparation of coatings for the interi Use of a polyester in the preparation of coatings for the interi

1996-08-26

1998-04-14

Cameron, Erma

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

Synthetic resins

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

525442, 525443, C08L 6702

Patent

active

057392153

ABSTRACT:
The invention relates to the use of a hydroxyl functional polyester having a glass transition temperature of at least 40.degree. C., a hydroxylnumber between 5 and 150 mg KOH/gram resin, a molecular weight (Mn) between 800 and 10.000 and a molecular weight (Mw) between 8000 and 100.000 in the preparation of coatings for the interior of can ends. The polyester has to be crosslinked with for example an amino resin or an epoxy resins.

REFERENCES:
patent: 4018848 (1977-04-01), Khanna
patent: 5288559 (1994-02-01), Oka et al.
patent: 5290828 (1994-03-01), Craun et al.
Patent Abstracts of Japan, vol. 17, No. 391 (C-1087), Jul. 22, 1993 (JPA 5-70737 (Toyobo Co., Ltd.), Mar. 23, 1993.
DATABASE WPI, Week 4962, Derwent Publications Ltd., London, GB; AN 82-05469J JPA 57 175 550, (Kishimoro), Oct. 28, 1982.
DATABAE WPI, Week 0392, Derwent Publications Ltd., London, GB, AN 92-020227, JPA 03 268 938 (Kobe Steel KK), Nov. 29, 1991.
PMSE, Polymeric Materials Science and Engineering, PVC in Container Coatings and Approaches to its Replacement, vol. 65, Fall Meeting 1991, New York, New York, pp. 285-286.
Palackdharry et al., PMSE, 'Organic Coatings For Beer, Beverage and Food Metal Containers', vol. 65, Fall Meeting 1991, New York, NY, pp. 277-278.

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