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Non-stick coating composition

A coating composition, non-stick coating technology, applied in coatings, polyether coatings, epoxy coatings, etc., can solve problems such as coating wear and tear

Active Publication Date: 2011-04-20
PPG IND OHIO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Rubbing or sanding also tends to wear away these coatings

Method used

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  • Non-stick coating composition

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Embodiment 1

[0079] The non-stick coating composition according to the invention comprises the following components:

[0080] Component Solid content Content in composition (pbw)

[0081]

[0082] Phenoxy resin PKH34 34% solids 40.42

[0083] Silicone resin Wacker 42EA 42% solids 10.21

[0084] water 23.86

[0085] Amine 0.95

[0086] Propylene glycol 5.24

[0087] Surfynol 440 2.02

[0088] Dow PM 1.31

[0089] Cymel323 4.32

[0090] Alumina 100% solids 2.98

[0091] Pigment 0.24

[0092] PTFE 100% solids 7.14

[0093] Thickener 50% solids 1.31

[0094] This nonstick coating composition is applied as a topcoat to an aluminum substrate with a standard primer.

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Abstract

A non-stick coating composition comprising a waterborne phenoxy resin, a crosslinker, a silicone compound, and a Fluoropolymer. An article, such as aluminum, may be coated with the composition. The composition may be multilayers, but only the layers other than the first layer includes the silicone compound. The invention includes the method for applying the coating or coatings.

Description

technical field [0001] The present invention relates to coating compositions with non-stick application. Background technique [0002] Non-stick coatings are well known in the art. Fluoropolymers are commonly used in these coatings because of the low surface energy and thermal and chemical resistance of these resins. However, non-stick coatings based on fluoropolymers are limited in terms of abrasion and flame contact resistance and adhesion to metal substrates. Such coatings are susceptible to damage when cut with a knife or other metal utensil. Rubbing or sanding also tends to wear away these coatings. [0003] It is also known to crosslink aqueous phenoxy resins with phenolic and melamine resins to form coatings for steel and aluminum. Non-stick coatings can be applied as a single or multi-layer coating. [0004] Surprisingly, it has been found that excellent non-stick coatings can be obtained without the use of fluoropolymers by incorporating a polysiloxane compound...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08G65/333C08L63/00C08L63/02C08L71/02C09D163/00C09D163/02C08L27/18C08L83/00C08L83/04
CPCC09D171/00C08L63/00C08L27/18C09D5/00C08L83/00C09D163/00C08L71/02Y10T428/31529Y10T428/31663Y10T428/3154Y10T428/31511C08L2666/02C08L2666/04
Inventor 托马斯·詹姆斯·巴特阿瑟·瓦霍夫斯基
Owner PPG IND OHIO INC
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