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一种脲醛树脂胶粘剂的添加剂、其制备方法

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项目单位

北京林业大学

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成果概况

本发明提供了一种脲醛树脂胶粘剂的添加剂及其制备方法。所述脲醛树脂胶粘剂的添加剂由按重量份计的改性淀粉100份;高分子化合物1-5份;脱硫石膏300-500份;膨胀剂0.1-2份组成。其是将改性淀粉、高分子化合物、膨胀剂、脱硫石膏混合均匀制备得到。所述脲醛树脂添加剂能够代替面粉加入到脲醛树脂中,制备人造板时,赋予胶粘剂良好的预压性,保证人造板高生产效率,同时能够有效降低人造板甲醛释放量,解决了制备脲醛树脂胶粘剂时,体积减小的问题,提高了人造板物理力学性能。


专利情况

 The invention provides an additive agent of urea-formaldehyde resin adhesive and a preparation method thereof. The additive agent of the urea-formaldehyde resin adhesive is prepared from the following components in parts by weight: 100 parts of modified starch, 1-5 parts of polymer compound, 300-500 parts of desulfurization gypsum, and 0.1-2 parts of swelling agent which are mixed uniformly to obtain the additive agent. The additive agent of the urea-formaldehyde resin can replace flour to be added into urea-formaldehyde resin, the adhesive is endowed with favorable prepressing when artificial plates are prepared, the high production efficiency of the artificial plates is ensured, simultaneously the formaldehyde emission of the artificial plates can be reduced effectively, the problem of volume reduction in the process of preparing the urea-formaldehyde resin adhesive is solved, and the physical mechanical property of the artificial plates is improved.


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