竞聚率
- 网络Reactivity Ratio
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用核磁共振波谱法(NMR)对共聚产物的结构及单体的表现竞聚率进行了表征和测定。
The copolymer structure and monomer reactivity ratio were characterized by NMR .
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单体竞聚率与共聚物序列分布的蒙特卡罗计算方法
Monte Carlo calculation of monomer reactivity ratio and sequence distribution
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给出了这两种方法的程序流程图,并按置信水平为95%时,计算了竞聚率r1与r2的联合置信区域。
The program flow charts were given and the joint 95 % confidence limits of reactivity ratios r1 and r2 were calculated .
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讨论了溶液性质对SAS竞聚率的影响。
The effect of solvent property on MRR of SAS is discussed .
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第一,聚丙烯腈共聚合反应的动力学规律研究,计算了单体的竞聚率,统计推测了PAN的链段序列分布规律。
Firstly , the reactivity ratios of comonomer were calculated . The composition and sequence distribution of copolymers were conjectured statistically .
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HEMANVPSt三元共聚体系中单体的表观竞聚率
Apparent monomer reactivity ratios in hema-nvp-st copolymerization systems
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APMP与MMA溶液光共聚合的共聚物组成及竞聚率的测定
The Copolymer Composition and Reactivity Ratios of Photo-induced Copolymerization of APMP and MMA in Solution
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Nd(Opr~i)(3-n)Cln-AlEt3催化体系中的n值和双烯竞聚率(γ)间的关系
The relationship between the value of n of nd ( op_r ~ I ) _ ( 3-n ) cl_n-alet_3 catalyst system and the reactivity ratio (γ) of dienes
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丙烯酰胺与2-甲基丙烯酰氧乙基三甲基氯化铵共聚合竞聚率及Q-e值的研究
Study on reactivity ratios of acrylamide and ( 2-methacryloyloxyethyl ) trimethyl ammonium chloride copolymerization systems and Q-e values
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利用核磁共振技术测定共聚物组成,用Mayo-Lewis共聚物组成方程拟合实验数据计算竞聚率。
The copolymer compositions were determined by H NMR technique . The values of reactivity ratios for the two copolymerization systems were determined analytically , based on Mayo Lewis equation , by fitting the calculated curve with the experimental data .
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结果表明:虽然AN的竞聚率较大(γAN>γVDC),但VDC/AN悬浮共聚树脂中AN含量却低于原料单体中AN的含量;
The results showed that AN content in VDC / AN copolymers was less than that in monomers though the reactivity ratios of AN was greater (γ AN > γ VDC ) . Xc of the copolymers was decreased with the increase of AN content in the copolymers .
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用Tidwell-Mortimer非线性最小二乘法计算原理,在计算步骤上作了有意义的改进后,导出能用于高转化率下计算一般二元共聚体系竞聚率的公式。
Attempting to calculate the monomer reactivity ratio ( m. r. r. ) for binary copolymerizing system at high conversion by integral model , a formula has been derived by using the principle of the Tidwell-Mortimer nonlinear least square method with improved " optimization of initial value " .
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丙烯腈和(甲基)丙烯酸酯基团转移共聚合的竞聚率
The reactivity ratios of Group Transfer Copolymerization of acrylonitrile with methacrylates
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丙烯腈/丙烯酸丁酯浓乳液快速聚合的竞聚率
Reactivity ratio for acrylonitrile / butyl acrylate concentrated emulsion copolymerization system
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DM-AM、TM-AM共聚反应竞聚率
Monomer reactivity ratios of DM am and TM am copolymerization
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负载钛系催化丁二烯-异戊二烯共聚合的竞聚率及共聚物的结构
Monomer reactivity ratio of butadiene - isoprene copolymerization and structure of copolymer
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并且,我们得到了三氟氯乙烯/乙烯共聚体系的表观竞聚率。
We get the experimental reactivity ratios of ECTFE copolymerization .
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氯乙烯/N-取代马来酰亚胺共聚竞聚率及共聚物组成
Reactivity Ratios and Copolymer Composition of Vinyl Chloride and N-Substituted Maleimide Copolymerization
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高效液相色谱法测定丙烯酸酯单体竞聚率
Determination of Reactivity Ratios for Acrylic Esters by High Performance Liquid Chromatography
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St/AN乳液共聚合的表观竞聚率和恒比组成
Apparent reactivity ratios and azeotropic composition of st / an emulsion copolymerization
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四氟乙烯/偏氟乙烯乳液共聚反应的竞聚率测定
Monomer reactivity ratio measurement of tetrafluoroethene / vinylidene fluoride in emulsion copolymerization
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丙烯酸与丙烯酸钾共聚反应竞聚率的研究
Studies of reactivity ratios of copolymerization of acrylic acid with potassium acrylate
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竞聚率在乳液胶粘剂分子设计中的应用
Application of The Monomer Reactivity Ratio in Molecular Designing of Emulsion Polymer Adhesive
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丙烯酸酯第二单体A共聚竞聚率的测定及其应用
Determination and application of reactivity ratio in copolymerization of acrylate and monomer A
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丙烯腈与N-乙烯基吡咯烷酮共聚体系对单体竞聚率的影响
Effect of acrylonitrile-n-vinylpyrrolidone copolymerization systems on monomer reactivity ratios
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气相色谱法测定共聚合竞聚率的研究
Study on Measurement of Relative Reactivity Ratios by GC
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全氟甲基乙烯基醚和其它含氟单体乳液共聚合的竞聚率测定
Monomer reactivity ratio measurement of Perfluoromethyl vinyl ether with some vinyl monomers containing fluorine in emulsion copolymerization
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丙烯腈与丙烯酸烷氨基酯共聚合的竞聚率及共聚物组成
The monomer reactivity ratio of copolymerization of acrylonitrile with dimethylaminoethyl acrylates and the composition of the copolymer
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利用单体竞聚率差别,用一次投料法合成梯度共聚物。
The gradient copolymers could be obtained due to the difference of reactivity ratios of the two monomers .
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提供了本共聚体系在多种介质中进行溶液共聚合时的竞聚率数据及有关的共聚物组成曲线。
The copolymer composition curves and the monomer reactivity ratios of such copolymerization system in different solvents were obtained .