MALEIMIDE RESIN AND METHOD FOR PRODUCING SAME, MALEIMIDE SOLUTION, AND CURABLE RESIN COMPOSITION AND CURED PRODUCT THEREOF

Title:

MALEIMIDE RESIN AND METHOD FOR PRODUCING SAME, MALEIMIDE SOLUTION, AND CURABLE RESIN COMPOSITION AND CURED PRODUCT THEREOF

Document Type and Number:

WIPO Patent Application WO/2021/182360

Kind Code:

A1

Abstract:

Provided is a maleimide resin represented by formula (1). The content of N,N'-(phenylene-di-(2,2-propylidene)-di-phenylene)bismaleimide in the maleimide resin is no more than 98% by area in terms of GPC areal percentage. The content of a maleimide compound represented by formula (2) in the N,N'-(phenylene-di-(2,2-propylidene)-di-phenylene)bismaleimide is at least 30% and less than 60% by area in terms of HPLC areal percentage. (In formula (1), n is the number of repeating units, and the average value thereof is such that 1 < n < 5.)

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Inventors:

KUBOKI KENICHI (JP)
NAKANISHI MASATAKA (JP)
MATSUURA KAZUKI (JP)

Application Number:

PCT/JP2021/008836

Publication Date:

September 16, 2021

Filing Date:

March 05, 2021

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Assignee:

NIPPON KAYAKU KK (JP)

International Classes:

C08G61/02; C08G73/12; C08L65/04

Domestic Patent References:

WO2017170551A1	2017-10-05
WO2020054601A1	2020-03-19

Foreign References:

JPH01216957A	1989-08-30
JPS6144A	1986-01-06
JPS6335561A	1988-02-16
JPH05155824A	1993-06-22

Attorney, Agent or Firm:

SHIN-EI PATENT FIRM, P.C. (JP)

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