聚脲用英文怎么说？Polyurea

     Polyurea by the isocyanate component with the amino compound to the reaction of a class of compounds. The isocyanate component may be a monomer, polymer, an isocyanate derivative of the prepolymer and semi-prepolymer.
     Polyurea may be a diamine with diisocyanate or urea polymerization.
     Polyalkylene nonyl urea is representative of the polyurea polymer. By nonanediamine prepared by condensation of urea, 聚脲its nature and polyamide (such as nylon 6) is similar, can be melt-spun and a melting temperature of 230 to 235 ° C, smaller density (1.066 g / cm 3) having a good heat resistance, dyeability, and resistance to corrosion, the fiber tensile strength of 0.0441 to 0.0539 N / denier, elongation of 23%, suitable for the manufacture of nets, and knitwear.

　   聚脲由异氰酸酯组分与氨基化合物反应生成的一类化合物。异氰酸酯组分可以是单体、聚合物、异氰酸酯的衍生物、预聚物和半预聚物。
 　 聚脲可由二胺与二异氰酸酯或尿素聚合而成。
 　 聚亚壬基脲是代表性的聚脲高分子。Polyurea由壬二胺与尿素缩合制备 ，其性质与聚酰胺（如耐纶6）相似 ，可以熔融纺丝，熔融温度230～235℃，密度较小（1.066克/厘米3），具有良好的耐热性、染色性和耐腐蚀性，纤维抗拉强度0.0441～0.0539牛顿/旦，伸长率23%，适宜制造渔网和针织品。