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phthalic anhydride造句
(1) Produced by a Reaction of Phthalic Anhydride and Alcohol. (2) The synthetic processes of phthalic anhydride diglycol ester using sulfuric acid and methyl benzene sulfonic acid as catalysts, respectively, were investigated. (3) PA(Phthalic Anhydride) branched gelatin can be used as a flocculating agent for the preparation of highly concentrated silver halides photographic emulsions. (4) The sheet and operation in phthalic anhydride plant system after the adding partial condensator were introduced. (5) The kinetics of polyesterification of phthalic anhydride with diethylene glycol was investigated. (6) Cetyl phthalate was prepared from phthalic anhydride and cetyl alcohol as raw materials catalyzed by non-acid catalyst. (7) The flow sheet and operation in phthalic anhydride plant system after the adding partial condensator were introduced. (8) A series of metal phthalocyanines was synthesized using phthalic anhydride, urea, metallic salt and ammonium molybdate as raw materials in the absence of a solvent. (9) Trimellitic anhydride and o - phthalic anhydride are the mainly by - products in the producing process of pyromellitic anhydride. (10) Compound 1 was esterified by phthalic anhydride to yield monoester derivative 2. (11) The phthalic C14 mono ester were prepared by the reaction of tetradecanol with phthalic anhydride in cyclohexane, and sodium phthalate. (12) Thiourea was then used as the primary catalyst to making fumaric acid from the waste water of phthalic anhydride. (13) Synthesis of BLP was studied by using PEG 400 as catalyst and phthalic anhydride, butyl alcohol and lauryl alcohol as reactants. (14) The reaction adopted strong - acid cation exchange resin catalysed phthalic anhydride and butyl alcohol. (15) The reaction adopted strong - acid cation exchange resin catalysed phthalic anhydride and alcohol. (16) The research, development situation and technology keys of the catalyst for preparing phthalic anhydride by oxidation of o-xylene were introduced. (17) Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride an overall yield of 23.4 %. (18) The market demand, price and development trend of world phthalic anhydride are reviewed. (19) An air-drying epoxy ester primer is prepared based on epoxy resin , fatty acid, drying oil, pentaerythritol and phthalic anhydride. (20) I perennial companies operating chemical raw materials: styrene, anhydride, phthalic anhydride, and so on. (21) Waterborne alkyd resin modified by tung oil was prepared by molten fatty acid method from tung oil, maleic anhydride, phthalic anhydride, adipic acid, lauric acid, trimethylolpropane. (22) It was showed that the plant system modification could prolong condensator life and enhance the yield of phthalic anhydride. (23) A widely used durable synthetic resin derived from glycerol and phthalic anhydride. (24) A water dispersive alkyds resin was prepared by using fatty oil, phthalic anhydride, trimellitic anhydride and trimethylolpropane as major materials. (25) Exothermic reaction can be reduced by adding hexahydrophthalic anhydride to the phthalic anhydride. (26) The anorexic agent Mazindol was synthesized from chlorobenzene and phthalic anhydride via two new methods and its structure was determinated through UV, NMR and tautomerization . (27) Therefore, the intermediate product is phthalic acid and final products are phthalic anhydride, carbon dioxide and water. (28) Process for synthesizing dimethyl phthalate ( DMP ) for phthalic anhydride and methanol has developed. (29) METHOD The objective compound was synthesized by steps of ring-opening, condensation, hydrazinolysis and hydrolysis, starting from phthalic anhydride.