Invention Grant
- Patent Title: Polyesters and coatings containing the same
- Patent Title (中): 聚酯和含有相同的涂料
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Application No.: US14054126Application Date: 2013-10-15
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Publication No.: US09359524B2Publication Date: 2016-06-07
- Inventor: Jonathan P. Breon , Ljiljana Maksimovic , Anthony M. Chasser , Edward R. Millero , John E. Schwendeman , Robert E. Jennings
- Applicant: PPG Industries Ohio, Inc.
- Applicant Address: US OH Cleveland
- Assignee: PPG Industries Ohio, Inc.
- Current Assignee: PPG Industries Ohio, Inc.
- Current Assignee Address: US OH Cleveland
- Agent Justin P. Martinchek
- Main IPC: C08G63/06
- IPC: C08G63/06 ; C08G63/12 ; C08G63/123 ; C08G63/137 ; C08G63/16 ; C08G63/199 ; C09D5/03 ; C09D7/00 ; C09D167/02 ; C09D167/03 ; C09D167/04 ; C09D167/00 ; C08G18/79 ; C08G63/127 ; C09D175/04 ; C08G18/42

Abstract:
Disclosed is a polyester prepared from a mixture of reactants including: a) an aromatic monoacid, where the aromatic monoacid includes from 25 to 60 weight % based on the total weight of reactants; b) a polyacid, where the polyacid includes less than 90 mole % isophthalic acid; and c) a polyol having at least 3 hydroxyl groups. The mixture of reactants is substantially free of a non-aromatic monoacid, and said polyester has a dynamic viscosity of greater than 15,000 centipoise at 40° C. as measured by a Physica MCR 301 rheometer with 25 mm parallel plate and 0.1 mm gap as a function of increasing shear rate (0.1 to 10 s−1), and an acid value of less than 15 mg KOH/g. The polyacid can also be an aliphatic polyacid. Coatings comprising the same and substrates coated at least in part with such coatings are also disclosed.
Public/Granted literature
- US20150105518A1 POLYESTERS AND COATINGS CONTAINING THE SAME Public/Granted day:2015-04-16
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