lower ester 中文意思是什麼

lower ester 解釋
低級酯
  • lower : adj 〈low 的比較級〉1 較低的。2 下級的,低級的。 lower animals 下等動物。3 南部的。 in lower Manh...
  • ester : n. 【化學】酯。
  1. They can also be used for fiber sizing, textile finishing, the reinforcing agent for cement and ceramics, and the preparation of various kinds of latex paints, and all kinds of special adhesion agents. the products of vinyl acetate - acrylic ester copolymer emulsion, which have overcome some defect of homopolymerized products, are newly developed. the modified emulsion has stronger water resistance, better flexibility, and lower glass state temperature

    醋-丙共聚系列乳液產品是針對均聚產品的某些缺陷而發展起來的新膠種,它通過醋酸乙烯與丙烯酸脂類共聚改性,提高膠粘劑的耐水性和柔韌性,降低共聚物的玻璃化溫度,使產品對一些均聚乳液難以粘接的材料具有良好的粘接性能,主要產品有:寶麗板膠鋁箔紙膠塑板膠等。
  2. Phosphate ester polymers with higher molecular weight have been extensively applied in various fields including medicine and plastics auxiliary, and the lower molecular weight ones are very important in fields such as feedstuff and surfactant

    其中,分子量高的聚磷酸酯近年來在醫藥、塑料助劑等方面有廣泛應用,分子量相對較低的磷酸酯類聚合物在飼料、表面活性劑等方面很重要。
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