用不饱和氨基甲酸酯、丙烯酸异辛酯和交联剂,以悬浮聚合的方法制备高吸油性树脂。
Useing unsaturated urethane, 2-ethylhexyl acrylate, crosslinking agent, high oil-absorbent resin was prepared by suspension polymerization.
聚氨酯全称为聚氨基甲酸酯,是主链上含有重复氨基甲酸酯基团的大分子化合物的统称。
The full name of the polyurethane is the poly - urethane, which is a general designation of the macromolecular compound containing repeated amino acid ester groups.
聚氨酯是由异氰酸酯与多元醇反应制成的一种具有氨基甲酸酯链段重复结构单元的聚合物。
PU is a polymer with urethane segment repetitive structure unit formed after the reaction of TDI and PPG.
优选地,该氨基甲酸酯预聚物是脂族异氰酸酯聚醚预聚物,且该固化剂包括芳族二胺和三醇。
Preferably, the urethane prepolymer is an aliphatic isocyanate polyether prepolymer and the curative includes an aromatic diamine and a triol.
报道在二碘化钐作用下,硫代氨基甲酸酯发生还原反应,得到较好产率的二硫醚和酰胺化合物。
This paper reports reductive reaction of the thiocarbamic esters with samarium diiodide to give disulfidesand carboxamides in good results.
通过在固化剂存在下使氨基甲酸酯预聚物聚合而形成的固体产物具有小于大约38%的巴肖氏回弹。
A solid product formed by polymerizing a urethane prepolymer in the presence of a curative has a Bashore rebound that is less than about 38%.
为了形成微孔聚氨酯材料,在表面活性剂存在下用惰性气体使该氨基甲酸酯预聚物发泡,随后固化。
To form a microcellular polyurethane material, the urethane prepolymer is frothed with inert gas, in the presence of a surfactant, then cured.
因为聚氨基甲酸酯和腈这些材料不会因温度的变化或者潮湿而影响性状,所以不需要专门的储存环境。
No special storage requirements are needed because polyurethane and nitrile are not affected by changes in temperature and dampness.
聚氨酯(PU)是一种具有氨基甲酸酯链段重复结构的聚合物,具有很好的耐撕裂和耐磨损性,良好的抗臭氧和耐油性,应用广泛。
The polyurethane (PU) is a polymer formed with urethane segment, as very high resistance to tear and abrasion, good resistance to ozone, oil and petrol, is widely used.
聚氨酯(PU)是一种具有氨基甲酸酯链段重复结构的聚合物,具有很好的耐撕裂和耐磨损性,良好的抗臭氧和耐油性,应用广泛。
The polyurethane (PU) is a polymer formed with urethane segment, as very high resistance to tear and abrasion, good resistance to ozone, oil and petrol, is widely used.
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