Title:
ROOFING UNDERLAYMENT MATERIAL AND PROCESS FOR PREPARATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2008/011813
Kind Code:
A1
Abstract:
A waterproof material has a membrane layer (2) that is formed and affixed to the composite
surface between two non-woven fabric layers (1), an asphalt layer (3) is positioned
between two membrane layers (2) and sandwiches a reinforced mesh layer (4). The
waterproof material can prevent asphalt from penetrating through to the non-woven
fabric, improve the tensile strength and split-resistant strength, and enhance
the performance of the heat-resistant and prick-resistant of the membrane layer.
Inventors:
ZHANG, Guorong (Hangzhou Ludu Waterproof Materials Co, LtdGouzhuang Industrial Park City, Moganshan Road,Yuhang District,Hangzhou, Zhejiang 3, 311113, CN)
Application Number:
CN2007/002202
Publication Date:
January 31, 2008
Filing Date:
July 19, 2007
Export Citation:
Assignee:
ZHANG, Guorong (Hangzhou Ludu Waterproof Materials Co, LtdGouzhuang Industrial Park City, Moganshan Road,Yuhang District,Hangzhou, Zhejiang 3, 311113, CN)
International Classes:
E04D5/10; B32B5/10; B32B11/10; C09D195/00; D06N5/00; E04D5/00; B32B5/10; B32B11/00; C09D195/00; D06N5/00
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (8th Floor, Vantone New World Plaza2 Fuchengmenwai Street, Beijing 7, 100037, CN)
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