重均官能度具有按当量数分数加和的性质。
Weighted average functionality possess additivity by equivalent number fraction.
平均官能度是影响醇酸树脂配方设计的重要参数。
The average function degree is an important parameter to design the formulation of the alkyd resins.
探讨了用TLC法研究HTPB官能度分布的可靠性。
The reliability of TLC to determine the functionality distribution ofHTPB has been discussed.
研究发现,随着丙烯酸官能度的增多,双键转化率随之降低;
The results showed that, the structure of polyurethane acrylates had great effect on the conversion of double bond.
超支化聚合物的玻璃化转变温度随中心核可反应官能度的增加而增大。
The glass transition temperature of hyperbranched polymers rises with the increase of degree of functionality of central core.
本发明涉及一种含氮多官能度甲基丙烯酸酯单体及其制备方法和应用。
The invention relates to a nitrogenous poly-functionality methyl acrylate monomer and a preparation method and application thereof.
这些环化物对聚合产物的分子量、分子量分布和官能度都有较显著的影响。
The cyclic compound so obtained has profound effects upon the MW, MWD and functionability of the polymer product.
生产具有高顺式1,4 -键含量和高官能度的官能化顺式1,4 -聚二烯的方法。
Method for producing functionalized cis-1, 4-polydienes having high cis-1, 4-linkage content and high functionality.
研究了聚醚多元醇的官能度及相对分子质量对单组分聚氨酯泡沫填缝(密封)胶性能的影响。
The effects of functionality and molecular weight of polyether polyols on the properties of one component polyurethane foam sealant were studied.
采用三官能度的聚氧化丙烯醚醇、聚乙二醇,合成了吸水膨胀率在0~200%的聚氨酯弹性体。
Using tri-functionality polyoxytrimethylene alcohol ether and polyethylene glycol, synthetize polyurethane elastomer with water absorption expansion rate of0~200%.
研究了键合剂BS、交联剂JC、固化剂、粘合剂分子量和官能度等因素对推进剂力学性能的影响。
Effects of bonding agent BS, cross-linking agent JC, curing agent, binder molecular weight and functionality on mechanical properties of the propellants were studied.
以分子末端带有多官能度活泼端基的PAMAM等为原料,通过缩聚反应制备了一类新型体型缩聚物。
A novel class of three-dimensional polycondensates were prepared with PAMAM dendrimers having terminal multi-functional groups and other compounds, on the basis of polycondensation mechanism.
合成了单官能度丙烯酸锌盐和单官能度甲基丙烯酸锌盐,并研究了其对丙烯酸共聚物机械性能的影响。
A monofunctional zinc acrylate and monofunctional zinc methacrylate have been prepared, the influences of which on the mechanical properties of acrylic copolymers were studied.
该固色剂为树脂性预聚体,是一种多官能度的化合物,既能与染料分子反应,也能与纤维素大分子反应。
This agent is mainly used for reactive dyes, and in some cases, it can also be used for direct dyes. Its molecules can react with one another into network under certain conditions.
所谓复杂化学文联型聚氨酯网络是指固化体系中含有官能度大于4的预聚物及固化剂固化形成的交联网络。
The complex chemical crosslinking PU network means that a PU network is cured from the curing system which includes the prepolymer and curing agent with the functionality more than 4.
对于近年文献上提出的官能度分布和平均官能度问题,我们也就本文所涉及的反应体系作了理论上的探讨。
For the reaction system involved in this paper, the functionality distribution and the average functionality which have been proposed recently in literature were studied theoretically.
通过UV固化和有机硅交联改性及多官能度扩链剂的引入,研制了多重交联UV固化水性聚氨酯木器涂料。
UV curable multi-crosslinking waterbrone polyurethane paint for wood is developed by introducing UV curing procedure, organosilicane crosslinking modification and multifunctional chain-extender.
采用羟基官能度不同的马来酸酐改性蓖麻油(MCO),合成了一系列软段含有离子基的聚氨酯水分散液(MCPU)。
A series of aqueous polyurethane dispersions (MCPU) with ionic groups in the soft segments were prepared with maleic anhydride modified castor oil (MCO) of various hydroxyl functionality.
前言:介绍了聚醚多元醇“官能度”的意义、计算、应用与测定,并举出实例加以说明,还给出了若干样品的实测结果。
The meaning, computation, application and determination about functionality of polyether polyols were described. Some examples were given, and the determinated results of them were obtained.
前言:本文探讨了不饱和度与官能团关系以及官能团对有机化合物合成的影响。
The essay probes into the relation between the unsaturation and the functional group as well as the influence of the functional group on the organic compound.
前言:本文探讨了不饱和度与官能团关系以及官能团对有机化合物合成的影响。
The essay probes into the relation between the unsaturation and the functional group as well as the influence of the functional group on the organic compound.
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