Composition for resin surface roughening

US11084915B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-11084915-B2
Application numberUS-201616062741-A
CountryUS
Kind codeB2
Filing dateDec 26, 2016
Priority dateJan 4, 2016
Publication dateAug 10, 2021
Grant dateAug 10, 2021

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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Abstract

Official abstract text for this publication.

Provided is a means capable of realizing a surface-roughening method for modifying the surface of a resin molded article to form a surficial layer, such as a coating or plating, or to impart a function derived from the surface configuration. The method comprises adding a resin composition and performing a post-treatment and is thus simpler and easier than conventional methods. The resin composition is a composition for resin surface roughening that contains an aliphatic polycarbonate and an alkali metal salt.

First claim

Opening claim text (preview).

The invention claimed is: 1. A method for producing a resin molded article having a surface-roughened surface layer, comprising decomposing an aliphatic polycarbonate contained in a molded article of a resin composition, wherein the resin composition comprising the aliphatic polycarbonate, an alkali metal compound, and a base resin. 2. The method according to claim 1 , wherein the alkali metal compound is at least one member selected from the group consisting of alkali metal hydroxides and alkali metal salts. 3. The method according to claim 2 , wherein the alkali metal salt is at least one member selected from the group consisting of alkali metal carbonates and alkali metal acetates. 4. The method according to claim 1 , which contains the alkali metal compound in an amount of 10 ppm or more and 5000 ppm or less, relative to the aliphatic polycarbonate. 5. The method according to claim 1 , wherein the aliphatic polycarbonate is an alternating copolymer of an epoxide and carbon dioxide. 6. The method according to claim 3 , which contains the alkali metal compound in an amount of 10 ppm or more and 5000 ppm or less, relative to the aliphatic polycarbonate. 7. The method according to claim 6 , wherein the aliphatic polycarbonate is an alternating copolymer of an epoxide and carbon dioxide.

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What does patent US11084915B2 cover?
Provided is a means capable of realizing a surface-roughening method for modifying the surface of a resin molded article to form a surficial layer, such as a coating or plating, or to impart a function derived from the surface configuration. The method comprises adding a resin composition and performing a post-treatment and is thus simpler and easier than conventional methods. The resin composi…
Who is the assignee on this patent?
Sumitomo Seika Chemicals, Osaka Res Inst Ind Science & Tech
What technology area does this patent fall under?
Primary CPC classification C08K3/22. Mapped technology areas include Chemistry & Metallurgy.
When was this patent published?
Publication date Tue Aug 10 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).