The water-reducing agent has the advantages of environment protection, small slump loss, high water reducing rate, simplicity in preparation and low cost. The invention further discloses a preparation method of the modified carboxylic acid water-reducing agent.马清浩...
The preparation method of the high-performance polycarboxylic acid water reducing agent comprises the following steps of: adding an unsaturated polyether macromonomer A and water into a reactor, uniformly stirring and dissolving, and then adding an initiator F hydrogen peroxide; then respectively ...
A Reducing Agent is one of the reactants of an oxidation-reduction reaction which reduces the other reactant by giving out electrons to the reactant. A Reductant by itself being oxidized causes another substance to be reduced.
A poly-carboxylic acid-series water reducing agent for high-performance concrete is prepared through reaction between sodium methylacrylsulfonate and acrylic ... 马保国,谭洪波,董荣珍 被引量: 9发表: 2006年 Poly(meth)acrylic acid-based polymer composition The present invention provides a polymer composi...
Polycarboxylic high efficiency-reducing agent 翻译结果4复制译文编辑译文朗读译文返回顶部 Reduction of water-efficient carboxylic acid together 翻译结果5复制译文编辑译文朗读译文返回顶部 Gathers the carboxylic acid is the high efficiency water reducing agent ...
not available for EP0354835of corresponding document: US4956175 An N-(mercaptoalkyl) omega -hydroxyalkylamide having the formula, wherein n is 2 or 3 and m is 2 to 5 inclusive is employed as a reducing agent in the first stage reducing o... MAIGNAN, JEAN,LANG, GERARD,MALLE, GERARD -...
Composition and process for permanent waving of hair ofCompsn. for long-lasting hair styling is based on a keratin-reducing cpd (I), contains no mercapto carboxylic acid esters, and has a pH of 7-7.5. The com... G Maresch,W Burg 被引量: 0发表: 2000年 Reducing agent of a plurality...
One equivalent is consumed for the formation of salt of carboxylic acid. The rest for the conversion into alcohol.E.g. iii) Benzoic acid requires 3 equivalents of DIBAL-H for its conversion into benzyl alcohol.But in case of esters, 3 to 4 equivalents of DIBAL-H are required at ordinary...
Butyltriphenylphosphonium tetraborate (BTPPTB) (1) has been found to be a selective and versatile reducing agent. The reagent in dichloromethane solution or under solvent-free conditions is very useful for reduction of aldehydes, ketones, carboxylic acid chlorides, aryl azides, and aroyl azides to ...
carboxylic acid and zinc amalgam as reducing agent, or a water-soluble heme fragment of cytochrome c (microperoxidase MP-11) in the presence of ... 被引量: 0发表: 0年 Reductive potentiometric stripping analysis for elements forming sparingly soluble mercury compounds with amalgamated metal as the...