Title:
METHOD FOR REMOVING FORMALDEHYDE FROM ARTIFICIAL BOARDS
Document Type and Number:
WIPO Patent Application WO/2018/165782
Kind Code:
A1
Abstract:
A method for removing formaldehyde from artificial boards, comprising the following steps: (1) placing an artificial board within a sealed space, introducing nitrogen, spraying solution A to reach a humidity of 30-60%, heating to 60-70°C, and incubating for 2-4 hours; (2) drying to reach a humidity of 10-15%, incubating for 1-2 hours; (3) vacuumizing, cooling to 30°C, incubating for 2-5 hours; (4) spraying solution B on the artificial board, heating to 40-50°C, incubating for 0.5-2 hours, then cooling to 25‐30°C, and drying. The method has a good removal effect, is low cost, has a simple process, and may eliminate formaldehyde contained in linear resin.
Inventors:
SHENG XIUQUN (CN)
Application Number:
PCT/CN2017/000526
Publication Date:
September 20, 2018
Filing Date:
August 14, 2017
Export Citation:
Assignee:
JINAN SHUN JING MEDICAL SCIENCE AND TECH CO LTD (CN)
International Classes:
B27K3/02; B27K3/50; B27K3/52; B27K5/00; B27K5/04
Foreign References:
| CN101152728A | 2008-04-02 | |||
| CN106914961A | 2017-07-04 | |||
| CN101549511A | 2009-10-07 | |||
| CN103120892A | 2013-05-29 |
Attorney, Agent or Firm:
JINAN SPRINGS PATENT & TRADEMARK OFFICE (CN)
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