Title:
ARTIFICIAL BOARD CONTAINING STRAW SURFACE LAYER AND WOOD CORE LAYER
Document Type and Number:
WIPO Patent Application WO/2019/109651
Kind Code:
A1
Abstract:
An artificial board, comprising a surface layer, and a core layer (32). The surface layer comprises an upper surface layer (31), and a lower surface layer (33); the surface layer contains an adhesive accounting for 3-8 wt% of the surface layer, additives accounting for 0-10 wt% of the surface layer, and the balance of straw shavings; the percentage of straw shavings incapable of passing through a 12-mesh sieve in the total weight of the straw shavings of the surface layer is highest. The core layer (32) contains an adhesive accounting for 2-8 wt% of the core layer, additives accounting for 0-10 wt% of the core layer, and the balance of wooden shavings; the percentage of wooden shavings capable of passing through a 40-mesh sieve and incapable of passing through a 60-mesh sieve in the wooden shavings of the core layer is highest. According to the artificial board, crop straws are mixed with wood for manufacturing the artificial board, so that the problem of wood resource shortage in China is effectively solved; meanwhile, part of wood raw material is added, so that the raw material structure of the artificial board can be effectively improved, thereby improving the quality of the artificial board.
Inventors:
ZHAO ZHIMEI (CN)
Application Number:
PCT/CN2018/098336
Publication Date:
June 13, 2019
Filing Date:
August 02, 2018
Export Citation:
Assignee:
WANHUA STRAW ECOBOARD IND CO LTD (CN)
International Classes:
B27D1/04
Foreign References:
| CN108177207A | 2018-06-19 | |||
| CN105965658A | 2016-09-28 | |||
| CN102198684A | 2011-09-28 | |||
| CN2837066Y | 2006-11-15 | |||
| CN103770187A | 2014-05-07 | |||
| CN107243975A | 2017-10-13 | |||
| US20080032147A1 | 2008-02-07 |
Attorney, Agent or Firm:
CHINA SCIENCE PATENT & TRADEMARK AGENT LTD. (CN)
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