查询词典 rosin ester

Rosin allyl alcohol ester was analyzed and characterized by TLC, IR and GC-MS.

利用TLC、IR和GC-MS对目标产物进行了分析和表征。

The polymer of rosin allyl alcohol ester was synthesized by microwave irradiation heating and routine heating method. The structure of the polymer was identified by IR, UV.

采用微波加热和常规加热方法聚合得到聚松香丙烯醇酯，分别对聚合物进行了红外、紫外、软化点和热失重分析。

First, a lot of experiments about changing character on CaCO3 surface has been rearsched,example,fatty acid,pentaerythritol,rosin ester,cocoanut oil,rosin, pentaerythritol + rosin ester,glycerine + rosin ester ,cocoanut oil + oleic acid,titanate + fatty acid,cocoanut oil + fatty acid, and so on surface active agents. Among these surface active agents, cocoanut oil + oleic acid,and titanate+ fatty acid,and cocoanut oil + fatty acid are the best.

本文首先对纳米碳酸钙的活化改性进行了实验研究，在硬脂酸钠、季戊四醇、松香酯、椰子油、松香、季戊四醇+松香酯、甘油+松香酯、椰子油+油酸、钛酸酯+硬脂酸钠、椰子油+硬脂酸钠等表面改性剂中，以硬脂酸钠、椰子油、油酸+椰子油、椰子油+硬脂酸钠等活化剂的活化效果较为理想。

A new method for synthesizing rosin allyl alcohol ester was studied. p-Toluenesulfonic acid allyl alcohol ester was first synthesized by O-acylation of allyl alcohol with p-toluene sulfonyl chloride, using NaOH as catalyst. Then rosin allyl alcohol ester was synthesized from sodium resinate and p-toluenesulfonic acid allyl alcohol ester.

探索了一种两步合成松香烯丙醇酯的新方法，即先以烯丙醇和时甲苯磺酰氯为原料，以NaOH为催化剂，通过O-酰化反应合成中间体对甲笨磺酸烯丙醇酯，再与松香钠皂发生亲核取代反应合成目标产物松香烯丙醇酯。

Based on the market demands,the trend of pine chemicals'developmet and our own foundation of technology and economy,we developed this series products, includ hydrogenated rosin、high-hydrogenated rosin、water-white hydrogenated rosin、water-white rosin、glycerol ester of hydrogenated rosin、pentaerythritol ester of hydrogenated rosin、methanol ester of hydrogenated rosin etc.

本公司基于市场需求、国内外发展趋势以及自身的技术和经济基础，开发了氢化松香系列产品，包括氢化松香、高度氢化松香、水白氢化松香、水白松香、氢化松香甘油酯、氢化松香季戊四醇酯、食品级氢化松香甘油酯、氢化松香甲酯等。

In the presence of DMAc/LiCl solvent, disproportionated rosin glycide-cassava starch ester was synthesized from cassava starch and modified disproportionated glycide ester under microwave irradiation. The effect of reaction conditions on the degree of substitution has been discussed.

在微波辐照下，以DMAc/L iC l为溶剂体系，歧化松香缩水甘油酯和木薯淀粉亲核开环反应得到歧化松香缩水甘油木薯淀粉酯，探讨了各反应因素对产物取代度的影响。

Pentaerythritol ester of gum rosin are made from gum rosin through esterification with pentaerythritol light color stabilizing process etc.

松香季戊四醇酯为松香经脱色、酯化和稳定化等工艺研制而成；应用于粘合剂、橡胶行业。

These products are distilled and purified from gum rosin under vacuum and proper temperature, Used in electronic solder flux and as raw material for light-colored rosin resin, also used for ester gum.

该产品由脂松香在一定的温度和真空条件下经精制提纯而成；应用于电子助焊剂，浅色松香树脂及食用级酯胶原料。

Pentaerythritol ester of gum rosin are made from gum rosin or light-colored rosin through esterification with pentaerythritol;used in adhesives, rubber products.

松香季戊四醇酯为松香或浅色松香经季戊四醇酯化而成；应用于粘合剂、橡胶行业。

Pentaerythritol ester of gum rosin are made from gum rosin through esterification with pentaerythritol light color,stabilizing process etc.; used in adhesives,rubber products.

松香季戊四醇酯为松香经脱色、酯化和稳定化等工艺研制而成；应用于粘合剂、橡胶行业。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。