Effects of Exploitation and Exogenous Salicylic Acid on Protein Metabolism and Activity of β-1,3-Glucanase in Latex from Hevea brasiliensis 割胶和水杨酸刺激对胶乳中蛋白质代谢及β-1,3-葡聚糖酶活性的影响
Organic and inorganic compound structural coating for wall can be formulated by using binders which consist of silica sol and acrylic acid latex solution. 以硅溶胶和丙烯酸乳液为主要成膜物质,配制成有机无机复合型建筑涂料。
The results showed that the amount of acrylic acid and emulsifier had more important influence on the transparency of the latex. 结果表明,丙烯酸用量和乳化剂用量对透光率的影响较大。
Coal-based polyaniline-p-dodecyl benzene sulfonic acid ( CBP-DBSA) conducting composites were synthesized in-situ by chemical latex polymerization method. 采用化学原位乳液聚合法合成十二烷基苯磺酸(DBSA)掺杂煤基聚苯胺导电复合材料(CBP-DBSA)。
By semicontinuous seed latex polymerization, a kind of butyl acrylate ( BA)/ styrene ( St)/ methyl acrylic acid ( MAA)/ acrylic acid ( AA)/ vinyl acetate ( VAc) composite latex is synthesized. 采用半连续乳液种子聚合法合成苯乙烯(St)、丙烯酸丁酯(BA)、甲基丙烯酸(MAA)、丙烯酸(AA)、醋酸乙烯酯(VAc)的复合乳液。
Modification of cement mortar by using vinylacetic acid-sodium acrylate anion emulsifier-Free Latex 醋酸乙烯阴离子型无皂乳液改性水泥砂浆性能的研究
The results showed that the coating of weak acid was diffused, adsorbed and adhered on the surface of latex glove. The coating of weak acid combined with latex glove by embedding force or diffusing, adsorbing. 结果表明,弱酸涂层在手套表面扩散、吸附、黏结,弱酸与乳胶以机械嵌合形式或扩散吸附形式相结合。
The behavior of acrylic acid ( AA) in emulsion copolymerization and characteristics of carboxylic latex were investigated. 研究了丙烯酸的乳液共聚合行为和羧基胶乳的特性。
CdS hollow spherical particles with different sizes have been prepared using core/ shell fabrication method with poly ( styrene acrylic acid) ( PSA) latex particles as a template. 以苯乙烯丙烯酸聚合物微球为模板,利用核/壳法制备了不同粒径的CdS中空球壳。
Relationship between Tapping Systems and Volatile Fatty Acid Number of Natural Rubber Latex 割胶制度与天然胶乳挥发脂肪酸值的关系
Fuzzy-PID Control in Production Process of Acrylic Acid Latex 丙烯酸乳液生产过程模糊PID控制
The effects of polymerizing process, acrylic acid content, ammoniation temperature on the properties of latex and hydrosol were studied. 考察了聚合方法、丙烯酸用量、氨化温度等对乳液及其水溶胶的影响。
We used transmission electron microscopy ( TEM) to characterize the polystyrene-acrylic acid ( PS-AA) copolymer latex nanospheres which were formed by surfactant-free emulsion polymerization. 本文对采用自由基乳液聚合法制备的聚苯乙烯-丙烯酸(polystyrene-acrylicacid,PS-AA)共聚物胶体纳米球进行了微结构表征。
In the acid medium, the viscosity mechanism of the system of latex particles containing carboxyl is the same with that of the common hard sphere latex system. 在酸性介质中,含羧基乳胶粒子体系的致粘机理与普通硬球型乳胶粒子体系一致。
2-ethyl hexyl acrylate/ acrylic acid radiation emulsion polymerization& carboxyl distribution in latex 丙烯酸2-乙基己酯/丙烯酸辐射乳液聚合&乳胶中羧基的分布
Study on the relation between volatile fatty acid number and electric conductivity of natural rubber latex 天然胶乳的挥发脂肪酸值与电导率关系的探索
The final results reveal that, when methacrylic acid ( MMA) with optimal mass fraction of 3%~ 4% is added on the shell, the particle size of the latex increases and its distribution becomes narrow at first, and then becomes wide. 壳层加入功能性单体甲基丙烯酸(MAA),乳胶粒粒径减小,粒径分布初期变窄,但随着MAA用量的增加粒径分布变宽,MAA用量以3%~4%为佳。
Preparation and Characterization of Oxide Hollow Spheres by Templating Against Poly ( Styrene-Acrylic Acid) Latex 以苯乙烯-丙烯酸(酯)共聚物乳胶粒为模板制备氧化物空心微球及其表征
Effect of Acid Treatment on the Preparation of Hollow Latex Particles 酸处理对制备中空乳胶粒子的影响
Nano-SiO 2/ styrene-acrylate emulsion was synthesized by means of silane coupling agent modified nano-SiO2 copolymerizing with butyl acrylate, styrene and methylacrylic acid. Latex paint was prepared by using above obtained emulsion as main film substance. 通过硅烷偶联剂改性纳米SiO2与丙烯酸丁酯、苯乙烯、甲基丙烯酸3种单体共聚,合成纳米SiO2/苯丙乳液,以其作为主要成膜物制得了乳胶漆。
Preparation of ZrO_2 Hollow Spheres Using Poly-( styrene-acrylic acid) Cationic Latex Particles Loaded with Quaternary Ammonium Salt as a Template 以表面负载季铵盐阳离子型苯/丙乳胶粒为模板制备ZrO2空心微球
Preparation of CdS Hollow Spheres Using Poly-( styrene-acrylic acid) Latex Particles as Template 以聚苯乙烯-丙烯酸微球为模板制备CdS空心球壳
The basic components of waterproof layer and reflecting layer of the coating were acrylic acid latex with different transformation temperature, which met the requirement of flexibility and cohering strength of the waterproof layer, and of anti-weathering and self-cleaning capacity of reflecting layer. 用Tg温度不同的丙烯酸乳液分别作为防水层和反光层的基料,以满足防水涂层的柔韧性和粘结力以及反光涂层的耐候性和自洁性;
Used to auto-deposited on the armor plates, this stable composition is made of black carbon slurry, active substances containing free hydrofluoric acid and hydrogen peroxide solution, and acrylic acid latex can achieve a good coating. 将乳胶、炭黑浆及不含氢氟酸和双氧水的活性剂复配成稳定的活性浴液后,进行钢板的自泳涂装,得到效果良好的丙烯酸防腐涂层。
On the basis of the experiment, the iron oxide nanoparticles coated by bilayer oleic acid were prepared as seed latex and the seeded emulsion polymerization was consequently carried out to prepare magnetic hollow latex particles. 在此基础上,为了拓展其应用领域,我们以双层油酸包覆的磁性纳米粒子为种子,制备出磁性中空乳胶粒。
In this paper, the emulsion polymerization method was adopted to prepare agglomeration agents with monomer mixture of acrylic acid ( AA) and butyl acrylate ( BA) for polybutadiene latex agglomeration. 本文采用丙烯酸(AA)、丙烯酸丁酯(BA)两种混合单体通过乳液聚合方法合成附聚剂,用于聚丁二烯(PB)胶乳的附聚实验。
Styrene-acrylate latex was synthesized by styrene, acrylate and small amount of acrylic acid. This kind of latex was widely applied in the coating industry. 苯丙乳液是由苯乙烯、丙烯酸酯类和少量丙烯酸共聚的乳液,此乳液被广泛地用于涂料行业。
There are contrasts between the tetrahydrofuran and latex. The degradation ability of periodic acid in latex was poor. 高碘酸在胶乳中的降解能力较差。