Title:
PRE-LAID WATERPROOF ROLL AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/237117
Kind Code:
A1
Abstract:
Disclosed in the present application are a pre-laid waterproof roll and a preparation method therefor. The pre-laid waterproof roll comprises a main body waterproof material layer and a structural layer, wherein the main body waterproof material layer and the structural layer are joined in a stacked mode by means of a joining device, or the main body waterproof material layer and the structural layer are integrally formed. The structural layer comprises a first part and/or a second part; a plurality of holes opening in a surface of the first part are formed in the first part, the total area S1 of the openings of the plurality of holes and the area S2 of the first part meeting: S1/S2≥10%; the second part comprises a plurality of independent first protruding structures, the distribution density P of the first protruding structures meeting: 30/cm2≤P≤80/cm2.
Inventors:
CHEN ZHIWEI (CN)
YANG XIAOYU (CN)
GONG XINGYU (CN)
YANG XIAOYU (CN)
GONG XINGYU (CN)
Application Number:
PCT/CN2023/099548
Publication Date:
December 14, 2023
Filing Date:
June 09, 2023
Export Citation:
Assignee:
KESHUN WATERPROOF TECH CO LTD (CN)
International Classes:
B32B33/00; B32B3/24; B32B3/30; B32B7/12; B32B9/00; B32B9/04; B32B15/00; B32B15/06; B32B15/08; B32B17/00; B32B17/06; B32B17/10; B32B25/00; B32B25/04; B32B25/08; B32B27/00; B32B27/06; E02D31/00; E02D31/02; E04B1/66; E04D5/10
Foreign References:
| CN115230281A | 2022-10-25 | |||
| CN216077153U | 2022-03-18 | |||
| CN212534559U | 2021-02-12 | |||
| KR101479531B1 | 2015-01-07 |
Attorney, Agent or Firm:
BEIJING EAST IP LTD. (CN)
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