Abstract: The invention relates to hybrid polyester-fluorocarbon powder coating composition and the manufacture thereof. These powder coating compositions are manufactured in a process comprising the steps of: Preparation of a polyester powder coating composition A, comprising a polyester resin and a curing agent for said polyester resin; Preparation of a fluorocarbon powder coating composition B, comprising a fluorocarbon resin and a curing agent for said fluorocarbon resin; and Dry blending said polyester powder coating composition A and fluorocarbon powder coating composition B, wherein the weight ratio of polyester powder coating composition A to fluorocarbon powder coating composition B is in the range of 70:30 to 30:70.
Type:
Grant
Filed:
October 13, 2011
Date of Patent:
October 7, 2014
Assignee:
Akzo Nobel Powder Coatings (Ningbo) Co., Ltd.
Inventors:
Lijum Wang, Wei Jiang, Graeme Alan Bell, Nirmalya Chakravorty
Abstract: Hybrid polyester-fluorocarbon powder coating composition and manufacture thereof are provided. These powder coating compositions are manufactured in a process comprising the steps of:—Preparation of a polyester powder coating composition A, comprising a polyester resin and a curing agent for said polyester resin;—Preparation of a fluorocarbon powder coating composition B, comprising a fluorocarbon resin and a curing agent for said fluorocarbon resin; and—Dry blending said polyester powder coating composition A and fluorocarbon powder coating composition B, wherein the weight ratio of polyester powder coating composition A to fluorocarbon powder coating composition B is in the range of 70:30 to 30:70.
Type:
Application
Filed:
October 13, 2011
Publication date:
August 1, 2013
Applicant:
Akzo Nobel Powder Coatings (NINGBO) Co., Ltd.
Inventors:
Lijun Wang, Wei Jiang, Graeme Alan Bell, Nirmalya Chakravorty