as the grafting degree increase, the contact angle to water of aa-grafted hdpe powder decreases.
随接枝率的增大,接枝hdpe与水的接触角下降,亲水性增加。
the influences of concentration of bpo, concentration of monomer, reaction time, reaction temperature were investigated in terms of grafting degree and gel content.
研究了单体浓度、引发剂浓度、反应时间和反应温度对接枝聚合物接枝率、凝胶率等的影响。
tensile strength and lap shear strength increased with increasing of grafting degree due to great improvement of polarity.
离聚体的拉伸强度、搭接剪切强度和乳化性能均随顺酐化程度的提高而改善。
the grafting degree can reach above (1.8%).
称量法表明接枝率可达1.8%以上。
the grafting degree increased with increasing bpo concentration, reaction time and reaction temperature.
接枝率随引发剂浓度、反应时间、反应温度的增加而增加;
the results showed when the grafting degree was 15% and kaolin content was 10% , the blend system had a better tensile strength.
结果表明在接枝度为15%、高岭土填充量为10%时,体系具有较高的拉伸强度。
the grafting degree of the specimens that was taken from upstream and downstream reaction zone was determined by titration.
结果表明:物料的熔融终了点和主反应区的充满度对接枝反应率有较大的影响。
once the temperature is higher than the melt point of nipaam, the grafting degree decreases strikingly.
提高反应温度可以显着的提高接枝程度,但是当温度高于单体熔点时,接枝程度反而大幅降低。
the influences of monomer mass fraction, dcp mass fraction, reaction temperature and rotating velocity on grafting degree were investigated.
研究了单体质量分数、引发剂质量分数、反应温度和转子转速对接枝聚合物接枝率的影响。
the copolymerization was confirmed by ft infrared spectra and the grafting degree and grafting efficiency were measured by chemical titration.
采用化学滴定法测定了反应产物的接枝率和接枝效率;
the grafting degree increased with the increase of monomer mass fraction and dcp mass fraction.
单体质量分数、引发剂质量分数增加,接枝率增加。