Title:
PREPARATION METHOD FOR VENEER MANUFACTURED BOARD
Document Type and Number:
WIPO Patent Application WO/2023/178856
Kind Code:
A1
Abstract:
Disclosed herein is a method for efficiently producing formaldehyde-free veneer manufactured boards, comprising steps of: using wood or non-wood veneer as a raw material; controlling the moisture content of the veneer to within an appropriate range; first applying an accelerant and then applying an isocyanate adhesive; then assembling the veneer into a slab according to a certain rule; carrying out microwave preheating on the slab; and feeding the slab into a hot pressing mechanism to obtain aldehyde-free veneer manufactured boards. In the present method, the process for producing aldehyde-free veneer manufactured boards is simple and easy to implement, hot-pressing production efficiency is high, and the mechanical properties of the boards are excellent.
Inventors:
SUN WEIHUA (CN)
TU SONG (CN)
FAN LIYING (CN)
WANG XIANGSHUO (CN)
SUN PENG (CN)
HU BINGBO (CN)
XIA XIANGQIAN (CN)
TU SONG (CN)
FAN LIYING (CN)
WANG XIANGSHUO (CN)
SUN PENG (CN)
HU BINGBO (CN)
XIA XIANGQIAN (CN)
Application Number:
PCT/CN2022/099991
Publication Date:
September 28, 2023
Filing Date:
June 21, 2022
Export Citation:
Assignee:
WANHUA CHEMICAL GROUP CO LTD (CN)
International Classes:
B27D1/08; C09J5/02; C09J5/06
Foreign References:
| CN110527056A | 2019-12-03 | |||
| US6022444A | 2000-02-08 | |||
| CN101787253A | 2010-07-28 | |||
| CN101389675A | 2009-03-18 | |||
| US20040170856A1 | 2004-09-02 | |||
| CN103612292A | 2014-03-05 |
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
Download PDF: