丙烯酸

A few days ago Lac even acrylic resin, and so on have been replaced by pure Rosin.

日后虫胶甚至丙烯酸树脂等已被清松香树脂所代替。

Micro-structures of latexes were studied and components of the core and the shell were discussed, then the forming mechanism was analyzed.

采用外来种子乳液聚合方法，用反应单体对外来种子聚四氟乙烯乳液进行浸泡、溶胀，然后引发聚合反应制得聚四氟乙烯改性的聚丙烯酸酯乳液。

By taking polysiloxane emulsion as seed emulsion, copolymer latexes of polyacrylate/polysiloxane were synthesized using seeding emulsion copolymerization.

采用聚硅氧烷乳液为种子乳液，将丙烯酸酯和聚硅氧烷进行乳液共聚，合成了该共聚物乳液。

The net cement with bentonite can form hydrogen key which can improve the felt of the systematic and are wail for eventual strength; The main mechanism of J-85 accelerator to accelerate concrete coagulating are in alkalescence condition to make aluminate and gypsum link and block the building of calcium and aluminium sulphate around cement granule; Polypropylene acid can improve early strength of cement through altering the thickness of hydroxide in cement grout.

添加膨润土后的水泥净浆中形成了氢键，提高了体系的粘结性，对后期强度发展有利； J-85速凝剂加速混凝土凝结的主要机理就是在碱性条件下，使铝酸盐和石膏结合，阻碍水泥颗粒周围的硫铝酸钙即钙钒石的生成，从而使水泥迅速凝结；聚丙烯酸通过改变水泥浆体中羟基的浓度从而提高水泥试块初期强度。

The results indicate that the percent conversion increase, then decrease with the content of MAA increasing.

结果表明，随着甲基丙烯酸含量增大，共聚合转化率呈先增大后减小趋势。

The effect of nano-calcium carbonate in-situ modified by MAA on the properties of SBR compound was experimentally investigated.

试验研究甲基丙烯酸原位改性纳米碳酸钙对SBR胶料性能的影响。

The influence of reaction temperature, contents of BPO and MAA as well as the ratio of cosolvents on the properties of aqueous dispersions were observed and discussed.

本文以双酚A型环氧树脂、甲基丙烯酸和苯乙烯为主要原料，分别通过接枝聚合反应和共混两种方法制备了环氧树脂水分散液，考察了反应条件及组成对水。。。

In this paper, aiming to solve these problems and meet the developmentrequirement, firstly a series of grafted starch sizing agent with good pasting and excellentsizing performance were synthesized utilizing the cheap mealie starch as the reactants.The denatured starch, polyacrylic size combination, nanometer compound acrylic acidcopolymerization pulp with titanium dioxide, the silicon dioxide has designed a series offormulas. The results showed the polyester size had stable viscosity and excellentfilm-formation property, thus it was a good size for fiber. At last, a kind of mixed sizeswas presented to reach the satisfied results of high density and low viscosity.

本文针对当前浆料存在的问题，结合浆料发展的趋势，立足于廉价的玉米淀粉，开发制备了性能优异的接枝淀粉，该浆料上浆性能优异且退浆容易，是一种能获得较好经济效益和社会效益的绿色浆料；将变性淀粉、丙烯酸乳液聚合浆料、纳米二氧化钛和二氧化硅乳液共聚浆料组合，设计了一系列配方，在对这些配方进行了一系列性能测试的基础上，找到了一种无PVA且价格低廉的组合浆料。

A new polyelectrolyte complex was synthesized from quaternary salt of poly(N,N-dimethyamino ethyl methacrylate) and metanil yellow in water.

运用聚甲基丙烯酸二甲胺基乙酯的季胺盐在水溶液中与酸性金黄进行了组装，并制得相应的组装产物。

More and more polymeric surface active agents were used in pigment modification. In this paper, methyl cellulose, sodium polyacrylate and polyglycol were chosen to study the influence of molecular weight and stucture on properties of pigments.

论文中选用的高分子表面活性剂有天然高分子甲基纤维素和聚乙二醇、聚丙烯酸钠等合成高分子，考察了活性剂分子量、结构及用量对颜料性能的影响。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。