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

利用TLC欧美一次性爱、IR和GC-MS對目標(biāo)產(chǎn)物進行了分析和表征。

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.

采用微波加熱和常規(guī)加熱方法聚合得到聚松香丙烯醇酯，分別對聚合物進行了紅外、紫外亚洲美女…黄色wWApp网站毛片、軟化點和熱失重分析。

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.

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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.

探索了一種兩步合成松香烯丙醇酯的新方法国产专区第一页，即先以烯丙醇和時甲苯磺酰氯為原料，以NaOH為催化劑欧美老妇爱操，通過O-鹾莺輈ao青青青视频；磻?yīng)合成中間體對甲笨磺酸烯丙醇酯，再與松香鈉皂發(fā)生親核取代反應(yīng)合成目標(biāo)產(chǎn)物松香烯丙醇酯人人操人人干95。

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久久偷拍九九99热、high-hydrogenated rosin、water-white hydrogenated rosin、water-white rosin无码一级午夜久久福利精品、glycerol ester of hydrogenated rosin成年在线观看免费人视频、pentaerythritol ester of hydrogenated rosin、methanol ester of hydrogenated rosin etc.

本公司基于市場需求久久久精品一区二、國內(nèi)外發(fā)展趨勢以及自身的技術(shù)和經(jīng)濟基礎(chǔ)第四色色色av，開發(fā)了氫化松香系列產(chǎn)品，包括氫化松香黄网毛片aaa黄网毛片、高度氫化松香成人乱人伦精品影视大全在线观看视频、水白氫化松香、水白松香免费在线看a片网址、氫化松香甘油酯人人干人人看另、氫化松香季戊四醇酯、食品級氫化松香甘油酯116国产午夜精品美女毛片、氫化松香甲酯等国产色污污视频在线观看。

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.

在微波輻照下，以DMAc/L iC l為溶劑體系青草青在线视频，歧化松香縮水甘油酯和木薯淀粉親核開環(huán)反應(yīng)得到歧化松香縮水甘油木薯淀粉酯日日与人人与垄草草，探討了各反應(yīng)因素對產(chǎn)物取代度的影響。

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

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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.

該產(chǎn)品由脂松香在一定的溫度和真空條件下經(jīng)精制提純而成看黄网站免费中文字幕；應(yīng)用于電子助焊劑，淺色松香樹脂及食用級酯膠原料国产www视频在线观看。

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

松香季戊四醇酯為松香或淺色松香經(jīng)季戊四醇酯化而成黄色网站在线观看网址；應(yīng)用于粘合劑、橡膠行業(yè)gogo人体艺术写真视频。

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

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