Preparation and properties of acrylate emulsion using carboxymethyl cellulose as protective colloid 羧甲基纤维素丙烯酸酯复合乳液的制备及其性能分析
With the Experiment of the production paraffin emulsion waterproof and admixture with colloid mill, a new set of equipment and technology for paraffin emulsion are devel-oped. 通过对用胶体磨生产石蜡乳液防水剂的试验研究,开发出了一套新型石蜡乳液制备工艺与设备。
Rheology of Acrylic Emulsion Stabilized by Protective Colloid 用保护胶体稳定的丙烯酸酯乳液的流变性
The amin factors affecting property of the emulsion are diluting agent, quality of vinyl acetate and type and content of emulsifying agent, protective colloid. 影响乳液性能的主要因素是稀释剂、醋酸乙烯质量以及乳化剂、保护胶体的品种和用量。
Emulsion for ambient curing self-cross linking waterborne ink is prepared by use of nano-scale SiO2 colloid, styrene, ( methyl) acrylic acid and ( methyl) acrylate, reactive emulsifier, coupling agent, etc. It is characterized by IR as well. 利用纳米SiO2胶体、苯乙烯、(甲基)丙烯酸及其酯、反应性乳化剂、偶联剂等成功合成了常温自交联水性油墨用乳液,并对其进行了红外光谱表征。
Grafting Reaction in the Emulsion Polymerization of Vinyl Acetate with Poly ( Vinyl Alcohol) as Protective Colloid 醋酸乙烯乳液聚合中保护胶体与单体接枝反应的研究
The emulsion temperature during dip-drawing directly impacts the solvent evaporation and then PS sphere transfer. High temperature leads to faster colloid crystal growth. 提拉过程中的乳液温度直接影响溶剂的蒸发,进而影响微球的移动,较高的温度导致较快的胶晶生长速度。
This article has described the mechanism of improvement of performance of emulsion coatings with modified colloid and discussed the performance of high PVC emulsion coalings by use of modified colloid and influence of modified colloid on coatings performance. 介绍了改性胶体改善乳胶漆性能的原理,讨论了使用改性胶体配制的高PVC乳胶漆的性能和改性胶体对乳胶漆性能的影响。
At the same shear rate, the acrylic ( emulsion) with protective colloid shows higher shearing force than conventional emulsions and shearing dilution phenomena in a specific range of shear rate. 在相同剪切速率下,保护胶体制备的丙烯酸酯乳液的剪切力明显大于常规乳液的剪切力,该乳液在一定剪切速率范围内有剪切稀化现象。
Study on the emulsion polymerization of vinyl acetate with PAM, CMC and EC in place of PVA as protective colloid 以PAM,CMC和EC代替PVA作醋酸乙烯酯乳液聚合保护胶体的研究
The grafting reactions between emulsion and functional groups, such as epoxy acrylate, polyurethane and silane in the process of emulsion polymerization of vinyl acetate ( VAc) with poly ( vinyl alcohol)( PVA) as protective colloid are studied. 主要研究了在以聚乙烯醇为保护胶体的醋酸乙烯乳液聚合中,乳液与环氧丙烯酸酯、聚氨酯、硅烷等官能团的接枝反应。
The mechanisms of protective colloid in emulsion polymerization were introduced. Research advance of protective colloid in the emulsion polymerization of vinyl monomer, conjugated monomer and acrylic monomer were reviewed in detail. 介绍了乳液聚合中保护胶体稳定聚合物乳液的机理,详细综述了保护胶体在乙烯基单体、共轭烯单体和丙烯酸酯类单体乳液聚合中的研究进展。
The kinetic studies of hydrolysis reaction of ethylene vinyl acetate copolymer emulsion ⅱ. inner hydrolysis of colloid particle 乙烯-醋酸乙烯共聚乳液水解动力学研究Ⅱ.乳胶粒内部水解反应动力学
Prevention of Citrus Red Mite by Using Self making Diesel Oil Emulsion of Colloid Sulphur 自制胶体硫柴油乳剂防治柑桔红蜘蛛
A silver iodobromide emulsion with average size of 14. 3 um was prepared in fish gelatin as protective colloid medium by a double-jet method. It possesses more satisfactory monodispersity and thermostability. 采用直接双注法,利用较低分子量的鱼明胶作为保护性胶体介质制备了平均粒径14.3um的卤化银纳米粒子,具有良好的单分散性与热稳定性。
Highly shear-stable copolymer dispersions with high solid contents of methyl methacrylate ( MMA) and butyl acrylate ( BA) were prepared using the semicontinuous emulsion polymerization, with thiol-ended poly ( vinyl alcohol) ( PVA-SH) as the protective colloid. 以分子链末端为巯基的部分水解聚乙烯醇(PVA-SH)为保护胶体,采用半连续乳液聚合工艺合成出具有高机械稳定性的高固含量聚甲基丙烯酸甲酯-丙烯酸丁酯(MMA/BA)共聚物乳液。
Steric stabilized siloxane hybrid acrylic polymer ( SSPA) dispersion was prepared by surfactant-free emulsion polymerization with thiol group terminated polyvinyl alcohol ( PVA-SH) as protective colloid. 以分子链一端为巯基的聚乙烯醇(PVA-SH)为保护胶体,合成了空间稳定的硅氧烷改性丙烯酸酯聚合物乳液。
The influence of proportion on the properties of polyvinyl acetate copolymer emulsion was studied, using vinyl acetate as material, polyvinyl alcohol as protective colloid and methyl acrylate as modifier. 以醋酸乙烯酯为原料、聚乙烯醇为保护胶,用丙烯酸甲酯作改性剂,研究了它们不同配比对聚醋酸乙烯共聚乳液性能的影响。
The title emulsion has been prepared based on conventional emulsifier and hydroxyethyl cellulose as protective colloid. 分别采用常规乳化剂和羟乙基纤维素为保护胶体制备丙烯酸酯乳液。