WebJul 11, 2012 · 摘要： The embodiment of the invention discloses a preparation method of a polyurethane foam material and a foaming gun. The preparation method comprises: mixing combined polyether and cyclopentane to prepare mixture; and mixing the mixture, foaming additives and polyisocyanate in the foaming gun for reaction to generate foam, thereby … http://www.ichacha.net/polyisocyanurate.html

with polyisocyanate-翻译为中文-例句英语 Reverso Context

WebBayhydur® 3100. 基于六亚甲基二异氰酸酯（HDI）的亲水性脂肪族聚异氰酸酯,作为优质水性双组分聚氨酯体系的硬化剂组分及作为改善水性 涂料和胶粘剂性能的添加剂。. 关于它的 … Webcycloidal中文的意思、翻譯及用法：adj. 擺線的；圓形的。英漢詞典提供【cycloidal】的詳盡中文翻譯、用法、例句等 crysis 3 won\\u0027t launch

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Web在中文里面，我们如何解释polyisocyanate这个英文词呢？ polyisocyanate这个英文词，中文意思如下：聚异氰酸酯。 Meaning of polyisocyanate for the defined word. 在语法上，这 … WebMethylene diphenyl diisocyanate (MDI) is an aromatic diisocyanate.Three isomers are common, varying by the positions of the isocyanate groups around the rings: 2,2′-MDI, 2,4′-MDI, and 4,4′-MDI.The 4,4′ isomer is most widely used, and is also known as 4,4′-diphenylmethane diisocyanate. This isomer is also known as Pure MDI.MDI reacts with … Web异氰酸酯是异氰酸的各种酯的总称，用于家电、汽车、建筑、鞋业、家具、胶粘剂等行业。若以－nco基团的数量分类，包括单异氰酸酯r－n=c=o和二异氰酸酯o=c=n－r－n=c=o及多 … crypto regulation asic