The effect of v -arninopropyl sodium silicate and poly ether-bearing organ di-sodium silicate is better than sodium silicate.
结果表明,有机硅酸盐有一定的缓蚀性能,其中,胺丙基硅酸钠和聚醚有机二硅酸钠的缓蚀效果比硅酸钠好。
The effects of poly ether, F_(11), water, catalyst and surfactant on the mobility of polyurethane rigid foam were studied quantitatively.
定量研究了聚醚、F_(11)用量、水分、催化剂、匀泡剂对泡沫流动性的影响。
The solubility parameter of phenolphthalein poly (ether sulfone) (PES-C) was determinated by using turbidity titration method, and estimated by using group contribution method.
采用浊度滴定法测定和基团贡献法估算了酚酞基聚醚砜的溶解度参数。
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