METHOD AND APPARATUS FOR PRODUCING LAMINATED COMPOSITE

Title:

METHOD AND APPARATUS FOR PRODUCING LAMINATED COMPOSITE

Document Type and Number:

WIPO Patent Application WO/2002/087854

Kind Code:

A1

Abstract:

A method for producing a laminated composite wherein a polyolefin based resin stretched sheet (203) is laminated on at least one surface of a core material (201) in a sheet form having a density of 30 to 300 kg/m?3¿, characterized in that a sheet or film (202) for adhesion comprising a synthetic resin or rubber which has a flow initiation temperature being lower than both of the heat distortion temperature of the core material (201) and the melting point of the stretched sheet (203) is caused to be present between the core material (201) and the stretched sheet (203), the resultant laminate is heated to a temperature being not lower than the flow initiation temperature of the sheet or film and lower than both of the heat distortion temperature of the core material (201) and the melting point of the stretched sheet (203), and simultaneously or thereafter the laminate is pressed to an extent such that the core material (201) is compressed in a strain of 0.01 to 10 %.

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Inventors:

TSUJIMOTO MICHITAKA (JP)
MATSUZAKA KATSUO (JP)
YAMAGUCHI KOJI (JP)
OKABE MASASHI (JP)
HIRATA MASANORI (JP)
ISHIYAMA MASAFUMI (JP)

Application Number:

PCT/JP2002/004008

Publication Date:

November 07, 2002

Filing Date:

April 23, 2002

Export Citation:

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Assignee:

SEKISUI CHEMICAL CO LTD (JP)
TSUJIMOTO MICHITAKA (JP)
MATSUZAKA KATSUO (JP)
YAMAGUCHI KOJI (JP)
OKABE MASASHI (JP)
HIRATA MASANORI (JP)
ISHIYAMA MASAFUMI (JP)

International Classes:

B32B5/18; B32B27/08; B32B27/32; B32B37/08; B32B38/00; (IPC1-7): B29C65/40; B29C65/78; B32B27/32

Foreign References:

JPH08318602A	1996-12-03
JPH04173126A	1992-06-19
EP1027977A1	2000-08-16
EP1174263A1	2002-01-23
JPS5942710B2	1984-10-17
JPS5622413B2	1981-05-25

Other References: