The copolymerization of vinyl acetate(VAc) and 2-hydroxy ethyl acrylate(HEA) was carried out. The copolymerization improved the water-resistance and bonding performances of vinyl-acetate adhesive.
研究了醋酸乙烯酯与丙烯酸2 羟基乙酯共聚的合成路线，通过乳液聚合所制得的共聚产物可有效地改善聚醋酸乙烯酯的耐水性能与粘接性能；
Preparation of hydroxy-aluminum trichloride and modified polyacrylic amide was discussed. Together with a natural material, high-efficiency water treatment coagulant was made.
研究了羟基氯化铝和改性聚丙烯酰胺的制法，然后与一种天然物质复配，制成了一种复合水处理混凝剂。
The experimental results show that the replacing of the hydroxy groups with acetoxy groups in the resin causes less water uptake, but increases the diffusibility of water in the resin.
实验结果表明，该树脂中的羟基改为乙酸基后可降低树脂的饱和吸水率，并增大水在树脂中的扩散能力。
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