Invention Grant
- Patent Title: Methods for preparing powder coating compositions
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Application No.: US15258268Application Date: 2016-09-07
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Publication No.: US09957394B2Publication Date: 2018-05-01
- Inventor: Hongying Zhou , Anthony Chasser , Shanti Swarup
- 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
- Agency: The Webb Law Firm
- Agent Julie W. Meder
- Main IPC: B32B27/40
- IPC: B32B27/40 ; B02C23/18 ; C08L67/00 ; C08L75/00 ; C08K5/00 ; C09D5/03 ; C09D167/02
Abstract:
Disclosed is a method for preparing powder coating compositions. The method includes mixing in an aqueous medium a carboxylic acid functional polymer having a high glass transition temperature, with a polycarbodiimide having a high glass transition temperature, drying the mixture, and grinding the resulting solid particles to obtain a powder.
Public/Granted literature
- US20180066143A1 METHODS FOR PREPARING POWDER COATING COMPOSITIONS Public/Granted day:2018-03-08
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