The abamectin microcapsules were prepared by in-situ polymerization process in this work, with melamine-formaldehyde resin and urea-formaldehyde resin as wall materials respectively.
采用原位聚合法,分别使用脲醛树脂和蜜胺树脂两种囊壁材料对生物农药-阿维菌素进行了微胶囊包覆。
A research is made on the production process of the high NV reactive acrylic resin by solution polymerization.
采用溶液聚合研究了高固含量反应性丙烯酸酯树脂的制造工艺。
The results show that the morphology, the state of aggregation and the particle diameters of the resin are Connected closely with the method of polymerization.
结果表明聚合方法对树脂形态、粒径、分散系数和聚集态结构均有一定程度的影响。
The structural characteristics of BLF43 prepolymerizer were introduced. In the production of PVC resin by bulk polymerization, the BLF43 prepolymerizer could well meet the process requirements.
简要介绍了BL F43型预聚合釜的结构特点,该釜应用于本体法PVC树脂的生产,较好地满足了工艺要求。
The changes in the molecular weight and molecular weight distribution index of the resin during the semi-continuous polymerization were also researched.
本研究还考察了半连续聚合反应进程中苯丙树脂分子量和分子量分布指数的变化规律。
The method of emulsion polymerization was used to synthesize polyvinyl acetate resin by adding hard monomer_methyl methacrylate to modify it.
本论文采用乳液聚合的方法合成了聚醋酸乙烯树脂,并通过加入硬单体—甲基丙烯酸甲酯对其进行改性。
The properties of low molecule dimeric dibasic acid polyamide resin were improved by chemical modified in mass polymerization.
用本体聚合的方法,通过化学改性,使低分子二聚酸聚酰胺树脂的性能得到大幅度提高。
Synthetic resin of acrylate was prepared with solution polymerization.
用溶液聚合法制备丙烯酸酯合成树脂。
A high water absorption polyacrylic acid resin was obtained using inverse suspension polymerization.
采用反相悬浮聚合法合成了聚丙烯酸高吸水性树脂。
A branched fluorine - containing acrylic resin has been developed through solution polymerization at normal pressure with liquid fluorine - containing acrylic acid monomer and acrylate monomers.
将液态含氟丙烯酸单体与丙烯酸酯类单体采用常压溶液聚合工艺,合成了支链含氟的丙烯酸树脂。
METHOD the osmotic acrylic resin Eudragit RS was synthesized respectively by means of solution polymerization, bulk polymerization and solution bulk polymerization.
方法:分别用溶液聚合、本体聚合和溶液-本体聚合的方法,制备渗透型药用丙烯酸树脂。
The title cationic epoxy acrylic resin was synthesized with the method of free-radical solution polymerization.
采用自由基溶液聚合法合成了阳离子环氧丙烯酸树脂。
The recent advances regarding nylon-6 resin in polymerization technology, as well as processing methods and equipments were briefly reviewed.
介绍了尼龙6树脂的聚合新工艺、成型加工方法和设备特性。
The preparation of microcapsules of bio-pesticide rotenone by means of in-situ polymerization, with melamine formaldehyde resin(MF) as the shell material, is discussed in this paper.
采用三聚氰胺甲醛树脂(MF)作为囊壁,用原位聚合法对生物农药鱼藤酮进行包囊,制备微胶囊制剂。
The results show that the higher the degree of polymerization is, the better heat stability of HPVC resin is, and the better light aging resistance of HPVC is.
结果表明,聚合度越高,树脂的热稳定性越好,HPVC的耐光老化性能明显优于普通聚合度聚氯乙烯(pvc)。
Solid acrylic resin is synthesized by suspension polymerization with potassium polyacrylate dispersing agent. The factors influencing on the performances and preparation process are discussed.
以聚丙烯酸钾为分散剂,悬浮聚合成固体丙烯酸树脂,并讨论了固体丙烯酸树脂的性能及合成过程中的影响因素。
PVC resin with high degree of polymerization (HPVC) is a new type of PVC resin with good mechanical properties.
高聚合度聚氯乙烯(HPVC)树脂是一种机械力学性能优异的新一代聚氯乙烯(PVC)树脂。
Polymerization volume shrinkage of EEPE resin was lower than other dimethacrylate resin.
与其他甲基丙烯酸类树脂相比,EEPE树脂的聚合收缩率比较低。
The acrylate oil absorbing resin were synthesised by means of suspension polymerization and using divinylbenzene as crosslinking agent.
以丙烯酸酯为单体,二乙烯基苯为交联剂,采用悬浮聚合法合成低交联度的聚丙烯酸酯类吸油树脂。
This article reviews the properties of curing lights, as well as several recommendations, and related factors of polymerization of resin composite.
本文主要介绍了每种光固化灯的特点、对复合树脂聚合固化的影响因素及使用注意事项。
CONCLUSION: Polymerization shrinkage of composite resin has negative effect on bonding strength of adhesives.
结论:树脂固化时的体积收缩可在黏结层产生较大的应力,影响黏结强度。
The influences of the composition of monomers, the polymerization temperature, and time on the performance of resin were investigated.
通过讨论单体配比、合成温度、聚合时间以及引发剂的类型和用量对树脂性能的影响;
Influence of compound emulsifier's ratio and amount, reaction temperature, polymerization types and functional monomer amount on the emulsion resin particle size and its distribution were studied.
系统研究了复合乳化剂配比及用量、聚合温度、聚合方式和官能团单体含量对共聚物乳胶粒径及其分布的影响。
A new type of phenolic resin adhesive for casting was prepared by condensation polymerization of furfuryl alcohol and the reaction product between phenol, phenylphenol, urea and formaldehyde.
苯酚、苯基苯酚、尿素与甲醛的反应产物进一步与糖醇缩聚生成新型铸造用改性酚醛树脂粘结剂。
DCPD type unsaturated polyester resin prepared by using semi condensation polymerization method is proposed.
本文用半缩聚法合成双环戊二烯型不饱和聚酯树脂。
Degradable super absorbent composite resin was prepared by water solution co-polymerization.
采用水溶液共聚法合成易降解的高吸水性复合树脂。
Granular high oil-absorbing resin was prepared by free radical suspension polymerization process using 4-tert-butyl styrene as monomer.
以4 -叔丁基苯乙烯为单体,采用自由基悬浮聚合法合成了颗粒状高吸油树脂。
Granular high oil-absorbing resin was prepared by free radical suspension polymerization process using 4-tert-butyl styrene as monomer.
以4 -叔丁基苯乙烯为单体,采用自由基悬浮聚合法合成了颗粒状高吸油树脂。
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