| 释义 |
urethanes 英'jʊərɪθeɪnz美'jʊərɪθeɪnz COCA²⁵⁴³³⁷⁺⁶BNC¹⁷³⁹⁹⁵⁺²
基本英英例句例句
聚氨酯橡胶¹⁰⁰原型urethane的复数
名词 urethane:
an ester of carbamic acidSilicones andurethanesare by far the leading sealant products followed by latex and butyl rubber.到目前为止密封剂产品主要是硅树脂和聚氨酯橡胶，其次是乳胶和丁基橡胶。 Biodegradable, amorphous polyester urethanes PU are synthesized by the coupling reaction of PLGA and diisocyanate, which have good shape-memory and mechanical properties.
PLGA与异氰酸酯反应得到了交联结构的无定型聚酯型聚氨酯材料 PU。 fabiao
Oil-modified urethanes is prepared with vegetable oil and TDI as main materials, which is then neutralized to form the waterborne oil-modified urethanes.
以植物油、 TDI为主要原料合成氨酯油，中和后加入水分散得水性氨酯油溶液。 chemyq
These include esterification amidation the formation of urethanes aromatic substitution etc.
这些反应包括酯化、酰胺化、氨基甲酸酯、芳香族取代物的形成等。52analysis |