POLYROTAXANE COMPOSITE MOLDED ARTICLE AND PRODUCTION METHOD THEREFOR

Title:

POLYROTAXANE COMPOSITE MOLDED ARTICLE AND PRODUCTION METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2020/080331

Kind Code:

A1

Abstract:

The present invention addresses the problem of obtaining a polyrotaxane composite molded article in which a crosslinked polyrotaxane molded article and an elastomer molded article are strongly bonded together without being mediated by an adhesive. This production method for a polyrotaxane composite molded article comprises subjecting a surface of a crosslinked polyrotaxane molded article (1) and a surface of an elastomer molded article (2) to a plasma treatment, and pressure-joining both of the treated surfaces together to bond the molded articles (1, 2) together. This polyrotaxane composite molded article comprises a crosslinked polyrotaxane molded article (1) and an elastomer molded article (2) which are directly bonded together without involving penetration of one into the other and without being mediated by an adhesive, wherein an oxygen-rich layer exists at the bonding surface between the two molded articles (1, 2), and the release strength between the two molded articles is 1 N/m or more.

Inventors:

TAKANO SHINJI (JP)
MATSUNO KOYA (JP)
NAGAMORI YOSHINORI (JP)
HARADA AKIRA (JP)
TAKASHIMA YOSHINORI (JP)
OSAKI MOTOFUMI (JP)
INOUE KATSUNARI (JP)

Application Number:

PCT/JP2019/040385

Publication Date:

April 23, 2020

Filing Date:

October 15, 2019

Export Citation:

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Assignee:

UNIV OSAKA (JP)
TOYODA GOSEI KK (JP)

International Classes:

B32B27/08; B32B37/02; C08J7/00

Domestic Patent References:

WO2013042377A1

2013-03-28

Foreign References:

JP2018111788A	2018-07-19
JP2014220949A	2014-11-20