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1)  polyvinyl formal adhesive
聚乙烯醇缩甲醛胶
1.
The preparing process for modified polyvinyl formal adhesives was introduced in this paper.
叙述了改性聚乙烯醇缩甲醛胶粘剂的制备过程 ,讨论了不同的改性方法和不同合成工艺对胶粘剂性能的影响并探讨了改性机理。
2.
The paper mainly analyses the reasons why the low temperature resistance of the polyvinyl formal adhesive is poor.
本文主要分析了聚乙烯醇缩甲醛胶耐寒性差的原因,在此基础上提出了解决耐寒性问题的两种方法,其一是高缩醛化聚乙烯醇缩甲醛,另一种是聚乙烯醇氧化改性再缩甲醛,并对这两种生产工艺所生产的胶水的性能和其用途等进行了探讨。
2)  poly(vinyl formal)adhesive
聚乙烯醇缩甲醛胶黏剂
3)  polyvinyl formal
聚乙烯醇缩甲醛
1.
The polyvinyl formal was prepared via acetalation from polyvinyl alcohol and formaldehyde in water-solution under the condition of pH value was 1.
5~2的条件下,以聚乙烯醇和甲醛为原料,在水溶液中发生缩醛反应制备聚乙烯醇缩甲醛胶,然后向胶中添加适量的尿素和分散助剂PAAM/COB,经调配得到新型水溶性聚乙烯醇缩甲醛涂料。
2.
In accordance with the princiole that in acid media the condensation reaction of hydroxylaldehyde is inversible, a way is given for the regeneration of the gel formed in the process of preparing polyvinyl formal.
根据在酸性介质中羟醛缩合反应是可逆的原理,对聚乙烯醇缩甲醛的制备过程中出现的凝胶进行再生处理,减少了原料浪费。
4)  polyvinyl formaldehyde
聚乙烯醇缩甲醛
1.
This paper introduced how to make a fast-drying emulsion adhesive based on polyvinyl formaldehyde.
介绍了一种以改性的聚乙烯醇缩甲醛为基料的强力快干型抗冻乳白胶。
5)  poly(vinyl formal)
聚乙烯醇缩甲醛
1.
The nonionic poly(vinyl formal) hydrogels with different porosities were synthesized by adding pore-forming agents, their swelling/deswelling behaviors and mechanical properties were measured in order to evaluate the effects of porosity.
通过成孔剂法制备不同孔隙率的聚乙烯醇缩甲醛凝胶(PVFM),其具有对含水量变化快速响应的特性,研究其在吸水、脱水过程中孔隙率对体积、质量、力学性能变化的影响。
6)  polyvinyl(crotonal and acetaldehyde)
聚乙烯醇缩丁烯醛胶
补充资料:聚乙烯醇缩甲醛胶黏剂
分子式:
CAS号:

性质: 低缩醛度的聚乙烯醇缩甲醛在水中的溶解度很高,掺入水泥砂浆,做建筑装修工程用的胶黏剂。缩甲醛树脂与酚醛树脂配合是一种著名的结构胶黏剂。目前使用较多的是缩甲醛水溶液胶黏剂106和107。

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