速英语 / isocyanate造句

isocyanate造句

2024年06月28日 10:17:26
Polyether - type isocyanate prepolymers are prepared with polyether polyols and tolylene diisocyanate.
采用聚醚多元醇和甲苯二异氰酸酯合成了聚醚型异氰酸酯预聚体.

A polyamide imide was synthesized from trimellitic anhydride and di isocyanate.
本文用偏苯三酸酐和二异氰酸酯合成了一种新型聚酰胺酰亚胺.

The p - chlorophenyl isocyanate is synthesised by carbonyl chloride and p - chloroaniline . The yield is 90 %.
采用光气与对氯苯胺合成对氯苯基异氰酸酯. 收率≥90%.

Situations of preparing isocyanate trimers at home and abroad are mainly introduced.
主要介绍国内外异氰酸酯三聚体的制备状况.

Results Methyl isocyanate, chloride and oxide of Quercetin were prepared.
结果制备了槲皮素的甲基异氰酸酯 、 氯代化合物和氧化物.

Spectrophotometric determination of free isocyanate - group ( - NCO ) content in polyurethane resin production is studied.
本文研究了分光光度法测定聚氨酯树脂生产过程中剩余— NCO 含量的方法.

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