Since the rate of propagation occurs hundreds of times more frequently than initiation, rates of polymerization and propagation are the same and the symbol R p is used for both. For a steady state chain polymerization reaction, R p is defined by the following equationtRpRpkpRiiktIkdf...
1) rate of polymerization 聚合率 2) VAC polymerization rate VAC聚合率 1. Aiming at the difficulty in measuring the vinyl acetate(VAC)polymerization rate on-line in the process of polyvinyl alcohol production,aVAC polymerization ratesoft-sensing model is established based on RBF neural network in ...
The nucleation mechanisms and colloid stability are the key aspects of emulsifier-free emulsion polymerization. 成核机理和稳定性是无皂乳液聚合的关键. 互联网 2、 Sulphur exerts a strong influences on graphite nucleation and its growth, graphitization and graphite morphology. 硫对石墨的形核和生长, 对...
The equation ofreaction ratewere redefined in this paper. 本文定义了还原反应速率的计算式. 互联网 Thereaction ratewas dually controlled by chemical reaction and diffusion process. 浸出过程实际上受化学反应与扩散过程双重控制. 互联网 The polymerizationreaction rateof carbonization reached its maximum at 400...
1011 is acceptable at low conversions in the decomposition of DIPDC, the inequality k P'$> 1015 Ds becomes complete at high conversions because of the decrease in D8• Therefore, the equation f c:::. D8j(A +D8) may be also used in the polymerization ini- tiated by DIPDC. From ...
This proposed novel kinetic rate equation can be applicable to the curing system either simultaneously or individually by UV-induced and thermal cure methods. This general kinetic rate equation is composed of the reaction order n , activation energy Ea , curing temperature T , energy barrier of ...
et al. Screening and classifying small-molecule inhibitors of amyloid formation using ion mobility spectrometry–mass spectrometry. Nat. Chem. 7, 73 (2015). Article ADS CAS PubMed Google Scholar Feng, B. Y. et al. Small-molecule aggregates inhibit amyloid polymerization. Nat. Chem. Biol. 4...
The polymerization reaction rate of carbonization reached its maximum at 400 ℃.───添加硫沥青球的炭化缩聚反应在400℃反应速率最大. The apparent reaction rate constant can be obtained by linear regression.───线性回归得出化学反应速率常数表观值。 The gasification reaction rate increases with an in...
7.Under the same conditions, propylene oxide polymerization proceeded fasfer than ECH polymerization.在同样的聚合反应条件下,环氧氯丙烷聚合反应速度大于环氧丙烷聚合反应速度。 8.Impact on Chemistry Reaction Speed , Balance and Conversion Ratio of Temperature;温度对化学反应速度、平衡与转化率的影响 9.(espec...
Capable of polymerization, decomposition or rearrangement. Initiation of the reaction can be spontaneous, by energy input such as thermal or mechanical energy or by catalytic action increasing the reaction rate. Selectivity The selectivity is the ratio of the amount of a desired product obtained and ...