查询词典 polyester resin

Both of adsorption of VB〓 on sulphonic resin in Zn〓form from ethanol and caffeine on sulphonic resin in Cu〓 form from ethyl acetate is considerable, with saturation adsorption capacity 60 and 76mg/g respectively.

磺酸锌型树脂对乙醇中VB〓、磺酸铜型树脂对乙酸乙脂中咖啡因和丙烯酸铁型树脂对甲醇中的鞣酸均具较好的吸附性能，其静态饱和吸附量分别为60、76和34mg/g。

Automatic control of exposure time, vacuum degree, plate cleaning time and temperature en sures quality of plate dev.of resin plate .It is especially applicable in high resolution sensitizat ion resin printing.

自动控制曝光时间及真空度、洗版时间、烘干时间及温度，从而可以保证树脂的晒版质量，特别适用于制作高网线的感光树脂版印刷版。

The invention provides a method for preparing an epoxy sheet-like mold plastic, which comprises the following steps: thickening the mixed epoxide resin system with diisocyanate compound; strengthening the chopped strand; making the tectorial into non-stick hand and shear epoxy sheet-like mold plastic, that is, preparing the epoxide resin paste and the epoxy sheet-like mold plastic; ripening.

本发明提供的制备环氧片状模塑料的方法是：采用二元异氰酸酯化合物对混合环氧树脂体系增稠，短切纤维增强，覆膜制备成不粘手可剪切的环氧片状模塑料；该方法包括环氧树脂糊的制备、环氧片状模塑料的制备和熟化步骤。

The experiment results indicated that the cross-linking mechanism of hydrogenated terpinene maleic anhydride with bisphenol A epoxy resin was similar to anhydride curing with epoxy resin in the presence of accelerants. The curing degree was increasing as the curing temperature was arisen and the curing time was delayed, and the gelation time was shortened obviously as the curing temperature was arisen and the dosage of accelerants was increased.

实验结果表明：HTMA与环氧树脂的固化反应过程与促进剂作用下的酸酐固化环氧树脂的交联反应机理一致；固化度随温度升高、时间延长而提高，而凝胶时间随温度升高、促进剂用量的增加明显缩短。

The results showed that during hydrogenation of rosin under the experimental conditions the dominant reaction was the formation of dihydro resin acids with minor products of tetrahydro resin acids and dehydroabietic acid.

证实在本实验条件下松香催化加氢过程中的主体反应是树脂酸的二氢化，只伴随少量的四氢化和极少量的脱氢反应。

A photosensitive resin for UV curing acrylic powder coating has been synthesized by esterification of methacrylic acid and GMA-type acrylic resin at the presence of ethyl acetate as solvent, tetramethylammonium chloride as catalyst, YK as inhibitor.

以醋酸丁酯为溶剂，四甲基氯化铵为催化剂，氮氧自由基为阻聚剂，由甲基丙烯酸缩水甘油酯类丙烯酸树脂与甲基丙烯酸酯化反应制得了UV固化粉末涂料用感光性丙烯酸树脂。

The influence of thixotropic reactive resin—Ac resin the automobile coating have been studied.

研究了触变性反应型树脂对汽车涂料性能的影响。

The effects of solution\'s pH value, mol ratio between phenyl aldehyde and L-Arginine, concentrations of sodium chloride, ammonia chloride andL-Lystine, initial concentration of L-Arginine on precipitation rate of a -tolylene arginine were investigated, the results indicated that phenyl aldehyde precipitation method\'s appropriate pH value was higher than 11, suitable mol ratio between phenyl aldehyde and L-Arginine was 1.25, initial concentration of L-Arginine was must higher than 15g/L, sodium chloride had little effect on precipitation rate, on the contrary, ammonia chloride and L-Lystine had great effect on it, both of them must be eliminated; At the same time, adsorption isotherm at 25 C of L-Lystine on anion exchange resin A was measured, the result showed that the maximal equilibrium adsorbance was 30mg/g, the influences of solution\'s pH value, temperature, concentration of chloride ion on adsorption of L-Lystine by anion exchange resin A were also studied, the results indicated that appropriate operational pH value was 0.5 0.2, the effect of temperature on adsorption ratio was little, process could be operated at room temperature, the concentration of chloride ion must be eliminated.

考察了溶液pH值、苯甲醛与L-精氨酸摩尔比、氯化钠与氯化铵浓度、L-赖氨酸浓度、L-精氨酸初始浓度对苯甲醛沉淀L-精氨酸的影响，结果表明，沉淀反应的适宜pH值大于11，苯甲醛与L-精氨酸的适宜摩尔比为1.25，(来源：Aa6BC论文网www.abclunwen.com)L-精氨酸适宜的初始浓度在15g/L以上，氯化钠的存在对沉淀率基本上没有影响，而氯化铵和L-赖氨酸的存在使沉淀率下降；同时测定了25℃时阴离子交换树脂A吸附L-赖氨酸的吸附等温线，表明其最大平衡吸附量为30mg/g，考察了溶液pH值、温度、氯离子浓度对阴离子交换树脂A吸附脱除L-赖氨酸的影响，结果显示从L-精氨酸和L-赖氨酸混合液中吸附分离出L-赖氨酸的适宜pH值为10.5±0.2，温度对L-赖氨酸吸附率影响不大，吸附过程可在室温下进行，氯离子的存在使L-赖氨酸的吸附率降低。

Acrylic resin as coated material, N- thiophosphric triamide and dicyandiamde as biological inhibitors, with Fluid Bed spraying biological inhibitors on urea granular surface and coated it with acrylic resin afterward, four coated urea fertilizers were made for monitoring slow/controlled effects of coated fertilizers in distilled water.

采用丙烯酸树脂为包膜材料，以NBPT和DCD为生化抑制剂，利用流化床对尿素进行涂层生化抑制剂及包膜，制备4种包膜肥料，对这些包膜肥料在水中的控释效果进行了研究。

Acrylic resin as coated material, N- thiophosphric triamide and dmyandlamde as biological inhibitors, with Fluid Bed spraying biological inhibitors on urea granular surface and coated it with acrylic resin afterward, four coated urea fertilizers were made for monitoring slow/controlled effects of coated fertilizers in distilled water.

采用丙烯酸树脂为包膜材料，以NBPT和DCD为生化抑制剂，利用流化床对尿素进行涂层生化抑制剂及包膜，制备4种包膜肥料，对这些包膜肥料在水中的控释效果进行了研究。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。