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Title:
RECOMBINED WOODEN BOARD USING POLYIMIDE-MODIFIED POLYURETHANE ADHESIVE AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2017/177578
Kind Code:
A1
Abstract:
A recombined wooden board using a polyimide-modified polyurethane adhesive and a preparation method therefor, relating to the technical field of wooden floor production. Fiber strips are bonded by means of an adhesive and pressed into a recombined wooden core board. A paint layer is provided on the surface of the recombined wooden core board, and side tenons and side grooves are provided on side surfaces of the recombined wooden core board. The adhesive is prepared from the following raw materials in parts by weight: 5-20 parts of polyisocyanate, 1-10 parts of polyanhydride, 30-50 parts of polyalcohol, 20-50 parts of a plasticizer, 0.02-0.20 part of a catalyst, 0.5-3 parts of a defoaming agent, 0.02-0.20 part of a dewatering agent, 0.02-0.5 part of a coupling agent, and 0.02-0.20 part of an antioxidant. By using the recombined wooded board, a waste of wood can be effectively reduced, wood resources are saved, and excellent economic benefits are achieved. In addition, by using the adhesive, the mechanical properties and high temperature resistance of wooden floors can be effectively improved.

Inventors:
SUN, Longxiang (No.3998, Xunlian Road Nanxun Distric, Huzhou Zhejiang 9, 313009, CN)
ZHANG, Enjiu (SUN Longxiang, No.3998 Xunlian Road, Nanxun Distric, Huzhou Zhejiang 9, 313009, CN)
QIAN, Xinmin (SUN Longxiang, No.3998 Xunlian Road, Nanxun Distric, Huzhou Zhejiang 9, 313009, CN)
WANG, Yanwei (SUN Longxiang, No.3998 Xunlian Road, Nanxun Distric, Huzhou Zhejiang 9, 313009, CN)
Application Number:
CN2016/092776
Publication Date:
October 19, 2017
Filing Date:
August 02, 2016
Export Citation:
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Assignee:
JIUSHENG WOOD CO., LTD. (SUN Longxiang, No.3998 Xunlian Road, Nanxun Distric, Huzhou Zhejiang 9, 313009, CN)
International Classes:
C09J175/08; B27N3/00; B27N3/08; C08G18/12; C08G18/48; C08G18/64; C08G18/73; C08G18/76; C08G73/10
Foreign References:
CN105670551A2016-06-15
CN105860912A2016-08-17
CN105838312A2016-08-10
CN104031241A2014-09-10
CN1453323A2003-11-05
US4654409A1987-03-31
Attorney, Agent or Firm:
HANGZHOU XINYUAN PATENT AGENCY (HUANG, Xiaohong Room 313, West Side, Building A, Zhejiang University National Science park, No.525, Xixi Road, Xihu Distric, Hangzhou Zhejiang 3, 310013, CN)
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