hexatomic
- hexatomic的基本解释
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[医] 六价的
- 更多网络例句与hexatomic相关的网络例句 [注:此内容来源于网络,仅供参考]
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For the production of reactive polyurethane cross-linkinger and curing agents, 2, 4-diisocyanate toluene terpolymer, which possesses the rigid structures of hexatomic ring and three reactive functional groups, was synthesized and characterized by the Fourier transform infrared, the gel permeation chromatography and the chemical analysis methods.
为了制备高活性聚氨酯交联固化剂,用2,4-二异氰酸基甲苯三元聚合反应合成了具有3个活性异氰酸根的六元环结构异氰脲酸酯。
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For the production of reactive polyurethane cross-linkinger and curing agents,2,4-diisocyanate toluene terpolymer,which possesses the rigid structures of hexatomic ring and three reactive functional groups,was synthesized and characterized by the Fourier transform infrared,the gel permeation chromatography and the chemical analysis methods.
结果表明采用Cat-3作催化剂,在(60±2)℃下反应,可制得分子量为530~550,Mw/Mn=1.10,NCO质量分数为(25.0±0.5)%窄分子量分布的TDI三聚体;随着反应时间延长,TDI会进一步多元聚合生成多聚结构;而加入质量分数为0.4%的苯甲酰氯作为稳定剂,可有效抑制多元聚合的发生,所制备的TDI三聚体稳定性可在半年以上