The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 14, 2018

Filed:

Nov. 19, 2014
Applicant:

Asahi Kasei Kabushiki Kaisha, Tokyo, JP;

Inventors:

Masaaki Endo, Tokyo, JP;

Shoji Otani, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 71/12 (2006.01); H05K 1/03 (2006.01); C08K 5/14 (2006.01); C08K 5/3492 (2006.01); H05K 1/02 (2006.01); C08K 5/03 (2006.01); C08J 5/24 (2006.01);
U.S. Cl.
CPC ...
C08L 71/12 (2013.01); C08K 5/14 (2013.01); C08K 5/34924 (2013.01); H05K 1/024 (2013.01); H05K 1/0353 (2013.01);
Abstract

The description of the present application describes a cured product that is obtained by compression molding a resin composition that contains a polyphenylene ether (A) and a cross-linking curable compound (B). A phase separated structure that comprises a dispersed phase and a continuous phase is observed in a 10,000× morphological image that is observed from the vertical direction of a compression surface of the cured product using a transmission electron microscope. In a 200,000× morphological image that is observed from the vertical direction of the compression surface of the cured product using a transmission electron microscope, the continuous phase has a co-continuous structure that includes an A phase that has the polyphenylene ether (A) as a principal component and a B phase that has the cross-linking curable compound (B) as a principal component, the proportion of the area of the co-continuous structure occupied by the A phase being 40%-90% of the area.


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