The formulation and preparation process of polyurethane for underlayer of slush pump were introduced. The effects of -NCO content of prepolymer and MOCA rate were studied.
介绍了泥浆泵护套用聚氨酯胶的配方和制作工艺，并对预聚物中—NCO含量和MOCA用量进行了考察。
The effect of water content in TMP, catalysts, molar ratio of HDI to TMP, temperature and time on the properties of products was studied by measuring the NCO content and viscosity of products.
通过对反应产物NCO含量和黏度的测定，考察了TMP中水分含量、催化剂、HDI与TMP摩尔比、反应温度、反应时间对加成产物的影响。
Through the experiment, it is found that the tack free time is affected greatly by the content of catalyst, dehydrating agent, plasticizer and the free NCO.
通过实验发现催化剂、脱水剂、增塑剂以及游离的异氰酸酯含量对密封胶的表干时间有很大的影响。
Influences of process data, solvent, ration of-NCO and-OH on free-TDI content is also discussed.
介绍其反应工艺参数、溶剂、-NCO与- OH的配比等对游离tdi含量的影响。
During the course of making prepolymer of CPU prepolymers with different content of m NCO % had different qualities and different duration.
研究了聚氨酯预聚体合成过程中，-NCO其含量对预聚体性质的影响，考察了聚氨酯预聚体贮存时间与性能的关系。
It showed that isocyanate index (the ratio of NCO to OH) and lignin content influenced the properties of synthesized polyurethane.
结果表明，异氰酸酯指数和改性木素含量对聚氨酸性能有影响。
Emphases were placed on the side reactions in the measurement of free NCO in chain extended process. The account formula of the real content of free NCO was given.
重点探讨了扩链过程中对于游离nco基含量测定中存在的副反应，并给出实际NCO基含量的计算公式。
Emphases were placed on the side reactions in the measurement of free NCO in chain extended process. The account formula of the real content of free NCO was given.
重点探讨了扩链过程中对于游离nco基含量测定中存在的副反应，并给出实际NCO基含量的计算公式。
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