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US 2019/0194491 A1Published application
Coatings, methods and coated articles
AssigneeSabic Global Technologies B.V.
InventorsLiang Shen, Zhuxia Rong, Mian Dai
Life of this patent
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Abstract
A coating layer includes a composite of a fluoropolymer and a high heat thermoplastic polyimide, the thermoplastic polyimide having 5 to 1000 units of the formula (I): wherein each V is the same or different, and is a substituted or unsubstituted tetravalent C4-40 hydrocarbon group, and each R is the same or different, and is a substituted or unsubstituted C2-20 divalent organic group A method of manufacturing a coating composite, coated substrates and articles are also described.
Claims15
A coating layer, comprising
- a composite of a fluoropolymer and a thermoplastic polyimide, the thermoplastic polyimide having 5 to 1000 units of the formula:
- wherein
- each V is the same or different, and is a substituted or unsubstituted tetravalent C4-40 hydrocarbon group, and
- each R is the same or different, and is a substituted or unsubstituted C2-20 divalent organic group.
1 more element
A method of making a coating composite, comprising
- combining a high heat thermoplastic polyimide dispersion and a fluoropolymer, wherein the polyimide dispersion is in the form of a dry powder dispersion, an aqueous dispersion, or an organic dispersion, and
- producing the composite comprising the polyimide and the fluoropolymer.
Dependencies are inferred from the claim text.