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    • 9. 发明申请
    • FORMALDEHYDE-FREE PLYWOOD AND PREPARATION THEREOF
    • 无甲醛无菌和其制备
    • US20140272403A1
    • 2014-09-18
    • US14015159
    • 2013-08-30
    • RESEARCH INSTITUTE OF WOOD INDUSTRY, CHINESE ACADEMY OF FORESTRY
    • Liang CHANGZheng WangWenjing GuoLi GaoYiping Ren
    • B27D1/04B32B37/06B32B37/18
    • B27D1/04B29B17/0026B32B37/04B32B37/182B32B2305/70B32B2309/02B32B2309/04B32B2309/12B32B2317/16Y02W30/62Y10T428/269Y10T428/31902
    • The present invention discloses a method for preparation of formaldehyde-free plywood from scrap plastic alloys. Different scrap plastics are used to prepare plastic alloy film, which is then used as an adhesive material for the preparation of new plywood without formaldehyde emission. The formaldehyde-free plywood according to the present invention is prepared by the following steps: different scrap plastics are crushed, cleaned separately, and then corresponding fillers and additives are added to the above crushed material or their mixtures which mixed according to a certain blending ratio; plastic alloy film of certain size and thickness is prepared after the film blowing and rolling processes; after being assembled with wood veneers to form a lay-up mat, the mat is hot pressed and then cold pressed. The present invention provides a method of preparing non-toxic and environmentally friendly formaldehyde-free plywood, solving the problem that the environment and human beings being poisoned by the free formaldehyde released from ordinary plywood and at the same time providing a way of recycling and reusing scrap plastics.
    • 本发明公开了一种从废塑料合金制备无甲醛胶合板的方法。 使用不同的废塑料制备塑料合金膜,然后将其用作用于制备不具有甲醛释放的新胶合板的粘合剂材料。 根据本发明的无甲醛胶合板通过以下步骤制备:将不同的废塑料分别粉碎,分开清洗,然后将相应的填料和添加剂加入到按照一定混合比混合的上述粉碎材料或其混合物中 ; 在吹膜和轧制过程之后制备一定尺寸和厚度的塑料合金膜; 在用木质贴面组装以形成铺垫之后,将该垫热压,然后冷压。 本发明提供一种制备无毒环保的无甲醛胶合板的方法,解决了环境与人类被普通胶合板释放的游离甲醛中毒的问题,同时提供了循环再利用的方法 废塑料。