COMPOSITE MATERIAL PREFORMING BOARD AND MANUFACTURING METHOD THEREFOR

Title:

COMPOSITE MATERIAL PREFORMING BOARD AND MANUFACTURING METHOD THEREFOR

Document Type and Number:

WIPO Patent Application WO/2018/208051

Kind Code:

A1

Abstract:

Provided are a composite material preforming board and a manufacturing method therefor, the board comprising: a first fiber; a second fiber; a binder for binding the first fiber and the second fiber; and a thermal-expandable fine particle, wherein the first fiber and the second fiber are bound by the binder to form an irregularly networked structure including a pore. The thermal-expandable find particle is positioned in the pore. The first fiber includes a first thermoplastic resin. The second fiber includes a second thermoplastic resin. The binder includes a third thermoplastic resin. Each of the first thermoplastic resin and the second thermoplastic resin has a melting point higher than that of the third thermoplastic resin.

Inventors:

AHN SEUNG-HYUN (KR)
HAN KYUNG-SEOK (KR)
KIM HEE-JUNE (KR)

Application Number:

PCT/KR2018/005232

Publication Date:

November 15, 2018

Filing Date:

May 04, 2018

Export Citation:

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Assignee:

LG HAUSYS LTD (KR)

International Classes:

B29C70/16; B29C70/30; B32B37/10; B32B37/24; B29L7/00

Foreign References:

KR20160128499A	2016-11-08
JP2000328494A	2000-11-28
KR20120000714A	2012-01-04
KR20170002725A	2017-01-09
JP7040503Y

Other References: