羧酸盐
- 名carboxylate
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对相应的表面活性和聚集体研究发现,C10HL与传统羧酸盐表面活性剂有很大的不同,在较高pH时仍具有较高的表面活性和聚集能力。
It was found that these two compounds showed superior surface activity and aggregation capability at higher pH value , which is so different from the traditional carboxylate surfactants .
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含羧酸盐Gemini成分的正/负离子表面活性剂混合体系聚集体形貌的研究
Investigation on Aggregate Morphologies of Cationic / Anionic Surfactants Mixture Containing Carboxylate Gemini Component in Aqueous Solution
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醇(酚)醚羧酸盐HLB值与pH值关系及应用
Relationship between HLB and pH value and use of polyoxyethylene ether carboxylic acid surfactants
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PTC条件下固体羧酸盐与卤代烃反应的动力学
Kinetics of phase transfer catalyzed reaction of alkyl halide with solid carboxylate
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方法:考察不同pH对9-NC内酯型和羧酸盐型相互转变动力学和平衡比例的影响。
METHODS : The interconversion kinetics of 9-NC lactone and carboxylate forms under different pH conditions were measured .
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结果表明,无论是有机羧酸盐成核剂还是无机成核剂都使回收PET的冷结晶温度逐渐降低,热结晶温度逐渐提高。
The results indicated that both the organic carboxylic ester and inorganic nucleating agents could decrease the cooling crystallization temperature and increase the melt crystallization temperature of PET gradually .
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本论文共合成了两种新型羧酸盐Gemini表面活性剂和一种新型季铵盐Gemini表面活性剂。
In this paper , we synthesized two kinds of new carboxylate Gemini surfactants and one of new bis-quaternary ammonium salt .
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目前文献中所见到的羧酸盐Gemini表面活性剂的合成采用了第①、②种合成方式。
Until now , the synthesis of the carboxylate Gemini surfactants appearing on the literature only adopted method ① and ② .
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结论:脂质体可以使9-NC内酯型和羧酸盐型的平衡向内酯型方向移动,能够提高内酯型的稳定性。
The lactone form of 9-NC could be stabilized by liposome .
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新型羧酸盐Gemini表面活性剂的合成及胶团化性质研究碳酸酐酶在无活性官能团聚合物表面的偶联接枝新方法
The Synthesis of New Carboxylate Gemini Surfactants and Their Micellization Character ; Immobilization of Carbonic Anhydrase onto Polymer Surface without Active Functional Groups with Crosslinker
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以TG/DTA对金属羧酸盐凝胶的热分解历程进行了分析,以XRD分析了不同煅烧温度下所得产物的相组成。
The thermal decompostion of the metal carboxylate precursor gels was studied by TG / DTA and the products derived from calcinations of the gels at different temperatures were characterized by XRD and TEM .
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羧酸盐Gemini表面活性剂性质以及与相反电荷普通表面活性剂的相互作用&相行为、表面吸附、胶团化及流变特性
The Properties of Carboxylate Gemini Surfactant and Interaction with Cationic Conventional Surfactants in Aqueous Solution & Phase Behavior , Surface Adsorption , Micellization and Rheological Properties
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根据混凝土外加剂分子设计理论,试验采用了自制丙烯酸聚乙二醇单酯、丙烯酸钠盐和二乙烯三胺通过Michael加成制得一种新型羧酸盐高效减水剂。
Based on the molecular design theory of concrete admixture , a new type of carboxylate superplasticizer was prepared by means of Michael addition with self-made polyethylene glycol aery-late , sodium acrylate and diethylenetriamine .
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本论文以羧酸盐为对象,主要以热分析技术(TG、DTA、DSC等)为手段,研究了邻苯二甲酸盐在惰性气氛中的热稳定性,探讨了其热分解反应机理;
In present thesis , the thermal stability of phthalates in nitrogen atmosphere was studied by thermal technique ( TG , DTA , DSC et al ), thermal decomposition mechanism was discussed ;
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通过在以烷基羧酸盐为表面处理剂的PP/CaCO3复合体系中添加改性聚烯烃和EPDM的方法,研制了高冲击韧性PP/EPDM/CaCO3复合材料。
High impact toughness PP / EPDM / CaCO 3 composite is prepared by adding modified polyolefin and EPDM into PP / CaCO 3 composite which is coupled by alkyl carboxylic salt .
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分散后,苯甲酸分子间的氢键缔合结构垮塌;苯甲酸的羧基与γ-Al2O3表面羟基发生相互作用并缩水形成类似羧酸盐的结构;
After dispersion , the H - bond association structure among benzoic acid molecules collapses and the carboxyl groups react with the surface hydroxyl groups of γ - Al2O3 to form a salt - like structure on the surface .
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本文通过十二烷基磺酸钠(C(12)H(25)SO3Na)和多种烷基羧酸盐(CnH(2n+1)COONa)的复配,研究了复配对胶束与微乳液形成和结构的影响。
Abstract : In the binary mixed aqueous solution of sodium dodecyl sulfonate and various sodium alkyl carboxylates > the influence of complex formulation on formation of the Micelle nand microemulsion was investigated .
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希土羧酸盐的结构研究&Ⅲ.[Y(n-C5H(11)COO)3·2H2O]2的合成和结构测定
Structural studies on rare earth carboxylates III. The Synthesis and structure determination of [ y ( n-c_5h_ ( 11 ) coo ) _3 ? 2h_2o ] _2
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在pH6.5条件下,9-NC内酯型和羧酸盐型的相互转变速度最慢。脂质体包封能显著提高9-NC内酯型的平衡比例,降低内酯型水解开环转变为羧酸盐型的速度。
CONCLUSION : The equilibrium between 9-NC lactone and carboxylate forms was shifted to lactone form after liposomal encapsulation .
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由实验结果表明,一种过渡元素的羧酸盐TA是较理想的催化剂,用量为聚乙烯重量的0.8%;
The results showed that a kind of carboxylate , which consists of transition elements and is called TA catalyst , was an ideal catalyst for the reaction , and the adding amount of it was 0.8 % of PE ;
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玻璃器皿腐蚀试验和行车试验结果表明,由高效的无机缓蚀剂和有机羧酸盐组成的防冻液具有良好的防腐蚀性能,通过了法国PSA集团的产品检测。
The results of glass corrosion and car running tests show that the anti-freezing fluid composed of high - efficiency inorganic inhibitor and organic carboxylate has excellent corrosion resistance , which has passed the product examination of France PAS Group .
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目的:考察脂质体包封对9-硝基喜树碱(9-nitrocamptothecin,9-NC)内酯型和羧酸盐型体外平衡的影响。
AIM : To study the effect of liposomes on in vitro equilibrium between 9-nitrocamptothecin ( 9-NC ) lactone and carboxylate forms .
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利用α-溴代月桂酸甲酯与二酚通过Williamson醚化得到二酯,再经皂化得羧酸盐二聚表面活性剂,其结构经1HNMR,IR和元素分析确认。
Diester was synthesized from α - bromo-dodecanoic acid methyl ester and dihydroxybenzene via Williamson synthesis of ether , and a series of carboxylate ion gemini surfactants were obtained by saponification . The structures were confirmed by ~ 1H NMR , IR and elemental analysis .
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以一种碱金属羧酸盐K-1000作为甲苯二异氰酸酯(TDI)三聚反应的催化剂合成了以TDI三聚体为主要成分的多异氰酸酯固化剂。对合成工艺条件进行了探讨。
A polyisocyanate curing agent , which is mainly composed of toluene diisocyanate ( TDI ) trimer , was prepared in the presence of the base metal carboxylate K-1000 . The reaction conditions were studied .
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以油酸为起始原料,经酰胺化和羧甲基化反应制得了油酸单乙醇酰胺醚羧酸盐(OAEC)。
Oleic acid monoethanol amide ether carboxylate ( OAEC ) was synthesized by the amidation and carboxylation of oleic acid .
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葡糖二酸(GLA)是一种六碳二元羧酸盐的葡萄糖类似物,是葡萄糖在生物体内代谢的产物之一,存在于组织和体液中,可被99mTc标记。
Glucaric acid ( GLA ) is a six-carbon dicarboxylic acid sugar , one of the natural endogenous end-catabolite of glucose , which is normally present in tissues and body fluids . It can be labeled with 99mTc .
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羧酸盐Gemini表面活性剂C9pPHCNa与季铵盐表面活性剂十烷基三甲基溴化铵(C10TABr)混合水溶液的胶团生成能力、降低水表面张力的能力和效率均出现明显的增效。
The surface adsorption and micelle formation of the mixed anionic Gemini surfactant ( C9pPHCNa ) and cationic conventional surfactant ( C10TABr ) aqueous solutions have been investigated by surface tension method .
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CEB型脱脂剂是以脂肪醇醚羧酸盐为主要活性成分,并复配少量其他类型表面活性剂和适量助剂而制得的,具有优良的润湿渗透性能、乳化性能。
Abstract The new type of leather degreasing agent developed , CEB degreasing agent , was constituted mainly by fatty alcohol ether carboxylate as its main active component , a small amount of other surfactants and right amount of chemical aids .
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天然羧酸盐驱油剂ZY5在高温高盐高钙镁条件下的界面活性与岩心驱油能力陕北石油秩序
Natural Carboxylate Based Surfactant System ZY5 : Interfacially Active Properties and Oil Displacing Capacity at Conditions of High Temperature , Salinity and Ca ~ ( 2 + ) + Mg ~ ( 2 + ) Contents
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以丙酮作溶剂合成烷基酚聚氧乙烯醚羧酸盐
Synthesis of alkyl phenol polyoxyethylene ether carboxylate with acetone as solvent