PURPOSE:To prepare an isocyanate-terminated urethane prepolymer which has a low viscosity even if it is prepd. from a high-viscosity hydrocarbon-derived polyol by reacting a polyisocyanate with a hydroxylated compd. component essentially comprising the polyol and a monohydric iso alcohol. CONSTITUTION:...
6) isocyanate-terminated polyurethane prepolymers 端异氰酸酯聚氨酯预聚体补充资料:氰酸化学式为HOCN。为有挥发性和腐蚀性的液体;有强烈的乙酸气味;熔点-81℃,沸点23.5℃;溶于乙醚和苯。其水溶液是较强的弱酸。氰酸与异氰酸、雷酸互为同分异构体。氰酸在稀水溶液中迅速水解,伴随着生成尿素:...
The synthesis and characterization of NCO-terminated urethane prepolymer, as a base material for the process of gluing in medicine have been studied. A polyol system consisting of a polyether/polyester mixture, together with toluene diisocyanate was employed to synthesis the desired urethane-based prepo...
KRASOL(R) ISOCYANATE (MDI)-TERMINATED PREPOLYMER 英文别名: KRASOL(R) ISOCYANATE (MDI)-TERMINATED PREPOLYMER 中文名: 中文别名: CBNumber: CB8351111 分子式: 分子量: 0 MOL File: Mol file 化学性质安全信息用途供应商1 KRASOL(R) ISOCYANATE (MDI)-TERMINATED PREPOLYMER化学性质 ...
4)isocyanate terminated polyethers端异氰酸酯聚醚 5)isocyanate prepolymer异氰酸酯预聚物 1.Method of lowering content of free TDI in polyisocyanate prepolymeris introduced.介绍了降低多异氰酸酯预聚物中游离TDI含量的方法,以及我国当前的技术状况,并就发展方向提出了建议。
6) isocyanate-terminated polyethers 端异氰酸基聚醚补充资料:-羟基-聚[氧(甲基-1,2-乙烷二基)]与异氰酸酯封端1,1'-亚甲基双(4-异氰酸根苯)的聚合物 CAS:68081-93-6分子式:[C15H10N2O2·(C3H6O)nH2O]x中文名称:α-氢-ω-羟基-聚[氧(甲基-1,2-乙烷二基)]与异氰酸酯封端1,1'-亚甲基双(4-...
网络端羟基聚醚 网络释义 1. 端羟基聚醚 端羟基聚丁二烯液体橡胶,te... ... ) Hydroxyl telechelic polyester 端羟基聚酯 )Isocyanate-terminated polyethers端羟基聚醚... www.dictall.com|基于 1 个网页
The isocyanate-terminated urethane with functionalized methacrylate groups demonstrated viscosity, degree of conversion and biocompatibility that are comparable with commercially available methacrylate resin monomers. Methacrylate-functionalized UMP reacts with dental collagen via covalent and hydrogen bonds. An ...
an isocyanate-terminated prepolymer composition obtained from reaction of a methylene diphenylisocyanate, comprising at least 25 weight percent of the 2,4′- isomer, with a polycaprolactone polyol; and to polyurethane or polyurea elastomers obtained from the said isocyanate-terminated prepolymer ...
Isocyanate-Terminated Urethane Prepolymer as Bioadhesive Material: Evaluation of Bioadhesion and Biocompatibility, In Vitro and In Vivo Assays. J. Biomater. ... HB Mutlu,C Citak,A Sirkecioglu - 《Polymer Engineering & Science》 被引量: 11发表: 2014年 Isocyanate-terminated urethane prepolymer as bio...