methylol

常见例句

• Ingredients:Rose extract,hydroxyethyl cellulose, propylene glycol, glycerol, methylol acrylamide ethylic lycine, methacrylate copolymer.
  成分：玫瑰提取液,羟乙基纤维素，丙二醇，甘油，甲基丙烯酰乙基甜菜碱，甲基丙烯酸酯共聚物。
• It was shown that the curing process of resoles, at first, proceeded by condensation reaction of methylol groups, and the formation of dimethylene ether linkage was predominant.
  结果表明热固性酚醛树脂的固化过程,首先是羟甲基发生缩合反应,缩合反应形成醚键是主要的。
• A new type of acrylic emulsion pressure - sensitive adhesive was prepared by using hydroxypropyl aery-late and N - methylol acrylamide as cross - liking monomers.
  选用丙烯酸羟丙酯和N-羟甲基丙烯酰胺作为交联单体参与丙烯酸酯共聚,研制出一种新型的丙烯酸乳液压敏胶。
• In the second route and third route, the insertion of benzoylation can effectively protect the active methylol radical and may advantageously be employed to facilitate the separation of cis- and trans-forms of the intermediate.
  “路线二”和“路线三”中用苯甲酯保护活泼羟基，并可以分离顺式和反式异构体。
• The melamine, the methylol carboxyl group nitrogen and so on a kind of supplement has not attained Ministry of Agriculture to authorize, does not allow in any feed to increase the use.
  三聚氰胺、羟甲基羧基氮等一类添加物未获农业部批准，不允许在任何饲料中添加使用。
• Test Method for Qualitative Determination of Methylol Group in Phenolic Resins
  酚醛树脂中羟甲基组团定性测定的试验方法
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