交酯

The effect of crosslinking agent dicumyl peroxide and co- crosslinking agent triallyl isocyanurate on the cure and tensile properties of liquid ethylene propylene diene monomer was investigated.

研究了由过氧化二异丙苯和助交联剂三烯丙基异氰脲酸酯组成的过氧化物体系对液体三元乙丙橡胶的交联及产物拉伸性能的影响。

In this paper,two kinds of primers (uncrosslinking and thermo-curable)were synthesized by emulsion copolymerization of acrylate and vinylidene chloride.These primers were specially designed for the adhesion of many materials on poly ethylene terephthalatefilm and epoxy resin plate.

本文以丙烯酸酯类和偏二氯乙烯为原料，采用乳液聚合法，合成了非交联型和抗溶剂热固交联型两类专用于涤纶膜与多种材料、特别是与高分子量的感光材料之间粘接的乳胶。

In this thesis, monomer with unsaturated double bond was firstly synthesized byreacting acryloyl chloride with bifunctional monomer. Such synthesized monomer ormonomer with initial unsaturated double bond was used to prepare linear polymericmaterials by free radical polymerization. A series of new degradable space polymerswith acylamino bond were subsequently synthesized using diisocyanate as thecross-linker.

本文首先通过丙烯酰氯和双官能团单体反应引入不饱和双键，或者直接使用具有不饱和双键的单体，通过自由基聚合得到含有活泼羟基或氨基的线型高分子聚合物，再用二异氰酸酯作为交联剂交联，从而合成了一系列基于酰胺键的新型可降解高分子体型聚合物。

Corn starch was treated by cross - linking using mixed acid of adipic acid and acetate .

采用已二酸和醋酸酯的混合酸交联处理玉米淀粉，然后对交联淀粉水浴加热至80℃制备非晶颗粒态淀粉。

This paper deals with making stop bleeding sponge with dried small shrimps. Firstly breaking away with inorganic salt and proteir in the dried small shrimps with acid and NaOH, secondly, taking off vinyl-in the chitin with 50% NaOH, temperature is 110 ℃. the last, reacting with chitosamine and PVA-124 make stop bleeding sponge were produced, catalyst is PdCl 2. The sponge film and sparkce is setatisfaction.

用虾壳经除盐，去蛋白处理后，用50％的NaOH溶液在110℃的温度下脱乙酰基制备壳聚糖；以1∶9的稀醋酸溶作溶剂，氯化钯作催化剂，甲苯二异氰酸酯作发泡剂、交联剂，使壳聚糖与PVA－124进行交联成膜，发泡用氨水洗成中性后在80℃的红外灯烘箱下烘干，制得止血海棉

Native tapioca starch granules were not treated with any alkaline and consequently there was no starch swelling Moreover, Huangllll reported that in preparing CLTS with low DC, except the formation of cross linking tarch molecules with POC13 there were also some esterification between starch molecule and POC13 due to a small amount of POC13 added The introduction of hydrophilic ester bond during the cross linking reaction could induce hydration of starch chains, resulting in easy absorption of enzyme onto starch granule

乡土木薯淀粉颗粒不处理与任何碱性因此没淀粉膨胀此外， huangllll报备clts低直流，除形成交叉连接tarch分子poc13还有一些酯化淀粉分子和poc13 由于少量poc13续引进亲水酯键的交联反应诱使水化的淀粉链，造成容易吸收的酶转入淀粉颗粒

After a muliobjective searching by AT-0520 D electronic computer using orthogonal regression design, the optimum technological conditions including the principal factors which influence the chemical reactions have been found. The expected yield of butyl acrylate, the content of byproduct β ester and acid value are all identical with the experimental data.

对影响反应的主要因素，采用正交回归设计和用AT-0520D电子计算机对多目标进行搜索，得出优化工艺条件组合，经实验验证，丁酯收率、付产β酯含量、酸值的予测值都和实验值吻合，并经生产规模验证，得到满意结果。

Five parameters in the process, namely initial starch slurry concentration, pH, reaction temperature, reaction time and anhydrides concentration were investigated.

以轻度水解淀粉为原料，以取代度为衡量标准，采用单因素和正交试验方法研究湿法工艺制备辛烯基琥珀酸淀粉酯，从淀粉乳的初始浓度、pH、反应温度、反应时间和酸酐浓度五个方面研究辛烯基琥珀酸淀粉酯最佳制备工艺。

Adopting 30-second nitrocellulose as the main sticky material, using ethyl acetate, ketone, alcohol and aromatic hydrocarbon as a mixture solvent and modifying nitrocellulose with dimethyl phthalate plasticizer,the prescription of staple adhesive was designed with orthogonal experimental methodology.

选用30s 硝酸纤维素作为主要成膜物质，醋酸酯、酮、醇和芳烃作为组合溶剂，邻苯二甲酸酯类复合增塑剂对硝化棉进行改性，采用正交试验方法确定胶黏剂的配方。

In this research, liposoluble chlorogenic laurate was synthesized by the acylation with lauroy chloride in the existence of alkali catalyst in non-water phase, and yellowish CGL powders with a yield of 81.24% were obtained under the optimal synthesis conditions determined via single-factor tests and orthogonal experiments, that is, carrying out the acylation at 35℃ for 8h with a n:n: n ratio of 1:1:1.5 and with dimethylformamide as the solvating agent and the thinner.

文中对绿原酸进行了改性，即在碱性催化剂催化的条件下使其与月桂酰氯进行非水相的酯化反应，得到了脂溶性的绿原酸月桂酸酯。经过单因素及正交试验，确定了最佳合成条件为：以N，N-二甲基甲酰胺作为溶解、稀释剂，绿原酸／月桂酰氯／三乙胺的摩尔比为1：1：1.5，温度控制在35℃，反应时间8h。

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。