nba季前赛排名>绿色小卫士
薛万彻>老子出函谷关Novel Highly Branched Polymer Wood Adhesive
金鸾殿
Resin
干锅牛蛙的做法
期刊名称： ACS Sustainable Chemistry & Engineering
作者： Taohong Li,Bengang Zhang,Shuyang Jiang,Xiaojian Zhou,Long Yang
年份： 2020年
速食早餐期号： 第XXX期
查询流量余额关键词： water resistance;bonding performance;wood adhesive;formaldehyde free;highly branched polymers
摘要：We propo a new idea for facile and green synthesis of urea-bad highly branched polymers (HBPs) using polyamines and urea via deamination. More importantly, our strategy is to directly u the synthesized HBPs to construct plywood. The HBPs would be further condend and solidified durin
g the hot pressing process, resulting in the aldehyde-free wood adhesive with high bonding performance. In this work, water soluble HBPs were synthesized by one-pot and one-step strategy via polycondensations between urea (U) and tris(2-aminoethyl)amine (TAEA), with no solvents and catalysts ud, as well as purification was also avoided. Here, the TAEA was lected as a model compound of polyamine. Urea was ud in this synthesis becau of it is one of the cheapest chemicals. Structure characterizations show that the polymers contain
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