Title:
SOUNDPROOFING SHEET MADE OF POLYOLEFIN
Document Type and Number:
Japanese Patent JP2001260290
Kind Code:
A
Abstract:
To provide a soundproofing sheet made of a polyolefin having a light weight, flexibility, a soundproofing performance and excellent flameproofness.
The soundproofing sheet 1 made of the polyolefin containing a flame retardant comprises laminated layers 4 provided on both surfaces of a laminate obtained by laminating two woven knitted fabrics 2 made of polyolefin oriented yarns via an adhesive layer 3. In this case, the polyolefin for constituting the laminated layers contains at least one type selected from a styrene thermoplastic elastomer and a polyurethane thermoplastic elastomer.
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Inventors:
KAIHARA YUICHI
Application Number:
JP2000077362A
Publication Date:
September 25, 2001
Filing Date:
March 21, 2000
Export Citation:
Assignee:
HAGIHARA IND
International Classes:
E04B1/82; B32B27/32; E04B1/94; E04G21/32; (IPC1-7): B32B27/32; E04B1/82; E04B1/94; E04G21/32