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- Acrylic resin (ACR) with core-shell structure was synthesiz by seeded emulsion polymerization,and the effects of amount of emulsifier, initiator, function monomer, reaction temperature on emulsion polymerization process were studied in this paper. 采用预乳化工艺,种子聚合法,通过甲基丙烯酸甲酯(MMA)说明丙烯酸丁酯(BA)接枝共聚反应,制得具有核/壳结构的丙烯酸酯类抗冲击改性剂(ACR)乳液,讨论了乳化剂用量、引发剂用量、交联剂用量及反应温度对乳液聚合和PVC性能的影响。
- From the experiment results,we found that when using the functional monomer MBI,the emulsion properties were enhanced. 结果表明,使用功能单体MBI,能有效改善乳液的性能。
- A novel moderate synthetic method for functional monomer 3,5 dibromoiodobenzene and 1 bromo 4 iodobenzene was reported. 设计报道一种在温和条件下,以溴代苯胺为原料,经叠氮化、碘甲烷碘代,合成功能单体3,5二溴1碘代苯和4溴1碘代苯的新方法
- The particle size and distribution of latex was influenced by functional monomer. 功能单体对胶乳粒子大小及分布有较大影响;
- The research provided the applicable functional monomer leading urethano into acrylic ester. 为将氨酯基团引入丙烯酸树脂提供了一种可用的官能单体。
- The influences of crosslinked monomer, functional monomer, emulsifier and initiator on the properties of PA emulsion and its film were studied. 研究了交联单体、功能单体、乳化剂和引发剂对聚合反应的影响。
- Histamine sensor was constructed based on molecularly imprinted polymer-modified electrode with m-aminophenol used as the functional monomer. 3.制备了基于分子印迹聚合物修饰电极的电容传感器,结合压电石英微天平检测了组胺以及结构类似物。
- Generally speaking, chemical groups are introduced into latex by means of polymerization of polymerizable surfactant or functional monomer. 一般来说,化学基团通过可聚合表面活性剂或功能性单体引入乳胶粒内。
- The addition of functional monomer (AA) made the viscosity and adhesive strength of the polymer increased obviously and improved the service performance of the adhesive. 功能单体AA的加入对聚合物的粘度和粘接强度都有较大提高,改善了胶粘剂的使用性能。
- The self-crosslinking acrylate latex contained functional monomer DAAM、acrylamide and NMA through pre-emulsification polymerization process was prepared. 通过预乳化乳液聚合工艺,合成了含官能团单体双丙酮丙烯酰胺(DAAM)、丙烯酰胺、N-甲基丙烯酰胺(NMA)的自交联丙烯酸酯乳液。
- Latex particles were obtained by soapless emuls ion copolymerization of styrene (St) and methyl methacrylate (MMA) in the presen ce of functional monomer acrylic acid (AA) . 以苯乙烯、甲基丙烯酸甲酯为主单体,丙烯酸为功能单体合成了三元无皂乳液共聚胶粒。
- The interaction between template and functional monomer was proved by UV spectrophotometry and based on the results, appropriate reaction solvent was selected. 紫外分光光度法证明了模板分子与功能单体之间存在相互作用,并据此选择了聚合反应时合适的溶剂。
- Function monomers are copolymerized with crosslinkers in the desired molecule, the imprinted molecule. 分子印迹聚合物由印迹分子、功能单体及交联剂共聚而成。
- A kind of molecular imprinted polymer was prepared using cefalexin as the template molecule, both 2-(trifluoromethyl) acrylic acid and 4-vinylpyridine as functional monomer. 采用分子模板技术合成了以头孢氨苄为模板分子,以三氟甲基丙烯酸和4-乙烯基吡啶同时为功能单体的分子模板聚合物。
- Recent development in functionalization of biodegradable polyesters and the improvement of their hydrophilicity is reviewed in the present paper from aspects of functional monomer and macromolecule reaction, respectively. 从功能化单体的共聚和大分子反应两个角度对近年来生物降解型聚酯的功能化及其亲水性改善方面的工作进展进行了综述。
- A constant, variable, function name, or expression. 一种常数、变量、函数名或表达式。
- The stable nano-meter particle latex whose film exhibits better water-resistance was synthesized with reactive emulsifiers with m(DSB): m(DNS-86)=3:1,the optimal amount of epoxy resin and functional monomer were obtained. 研究发现反应型乳化剂可制备纳米级乳液,且 m(DSB):m(DNS-86)=3:1时,乳液具有好的稳定性,涂膜有较好的耐水性;
- The research progress of pure acrylic emulsion in leading -in microcontent functional monomer,emulsification system,initiation system and polymerization technology is reviewed.In additi... 综述了纯丙乳液在微量功能单体的引入、乳化体系、引发体系及聚合工艺方面的研究进展,并指出获得性能优良纯丙乳液的途径。
- A tissue is a group of similar cells which have an identical general function. 组织是一组具有相同的一般机能的类似细胞。
- The effects of propdrtion of soft and hard monomer, the content of functional monomer and emulsifier on the viscosity, ball tack and hold tack, peeling strength of adhesives were discussed. 并且讨论了软、硬单体配比,宫能单体含量及乳化剂用量等因素对压敏胶粘度、快粘力、持粘力、剥离强度等性能的影响。