1) Brunner-Mond came to Billingham for the anhydride deposits which it could process into nitrates.

2) Styrene - maleic anhydride copolymer (SMA) is one kind of special thermoplastic material with superior heat - resistance, and is capable to blend with many kinds of resins.

3) PA(Phthalic Anhydride) branched gelatin can be used as a flocculating agent for the preparation of highly concentrated silver halides photographic emulsions.

4) This paper studied the effect of starch anhydride of octenyl succinic ( OSAS ) as stabilizer in yogurt.

5) Aromatic hyperbranched polyesters(HBP) were synthesized by 1,2,4-benzenetricarboxylic anhydride, diols and monohydric alcohols using solution polymerization and melting polymerization.

6) Nonylphenol polyoxyethylene ether was esterified with maleic anhydride and then sulfonated with sodium bisulfite to form nonylphenol polyoxyethylene ether sulfosuccinic acid diester sodium salt.

7) Casting resin used with anhydride hardeners for making insulators and switchgear components of high mechanical strength, for class 'F' Insulation.

8) Phosphorous acid is the acid anhydride of orthophosphoric acid ( H 3 PO 4 ).

9) The radical co-polymerization of maleic anhydride and itaconic acid obtained polymeric polycarboxylic acids.

10) Diethyl fumarate was synthesized with maleic anhydride and ethanol as raw materials, sodium bisulfate and aluminium trichloride as catalysts.

11) An interesting development is the direct synthesis of acetic anhydride, used to make cellulose acetate for photographic film base.

12) The acid solution is a mixture of glacial acetic acid, acetic anhydride, and sulfuric acid.

13) The V-P-O Catalyst for oxidation of n-butane to maleic anhydride was prepared. High yield of maleic anhydride was obtained over the catalyst under suitable reaction conditions.

14) The photosensitivity,(http:///anhydride.html) alkaline solubility and viscosity of products increased as the ratio of maleic anhydride increased.

15) Transient kinetic modeling of then-butane selective oxidation to maleic anhydride(MA) over vanadium phosphorus oxide(VPO) catalysts is studied.

16) In this paper, aspirin is synthesised through O- acylating reaction from salicylic acid and anhydride acetic acid with vita-mm C as catalyst.

17) The phthalic C14 mono ester were prepared by the reaction of tetradecanol with phthalic anhydride in cyclohexane, and sodium phthalate.

18) Norfloxacin succinyl was synthesized by Nacylation of norfloxacin with succinic anhydride in 79.8 % yield.

19) An analysis of four factors which affect the yield of formyl aspartic acid anhydride, one of the intermediates of aspartame, was made in terms of their relational grades based on Grey System Theory.

20) In this paper, natural cotton cellulose was modified by the steam explosion, modified cellulose, acetic anhydride and fatty acids have been used to synthesize the long chain cellulose ester.

21) A mathematic model used for cracking furnace of acetic acid toacetic anhydride with two section of reaction coil has been set up.

22) The new water stabiliser TJ -302, a compound containing phosphonic acid, is synthetized in water phase with main materials, of maleic anhydride, acrylic acid and phosphate by one step.

23) Chiral imine 1 derived from (R) glyceraldehyde acetonide could rapidly react with ketenes 2 which was converted from mixed anhydride or acid chloride under mild conditions.

24) The mixed indicator of thymolphthalein with phenolphthalein was applied as the new indicator for the determination of maleic anhydride.

25) The regioselective nitration of toluene and chlorobenzene with nitrates and supported nitrates on solid acid catalysts and supports in the presence of acetic anhydride is studied.

26) The paper introduced the process, and discussed the influence of levels of maleic anhydride comonomer , compound dispersant and initiator on the coatings properties.

27) The amino-group in the teraamino-phthalocyanine Cu(II), which synthesized from 3-nitro-phthalic anhydride, has the conversion trend from thermodynamic spin state to thermodynamic conjugation state.

28) Another with high corrosion inhibiting performance, PPMA, is prepared through the reaction of maleic anhydride with phosphorous acid.

29) is synthesized through O - acylating reaction from acid and anhydride acid with anhydrous carbonate as catalyst.

30) The activity of curing reaction of modified rosin based alicyclic epoxy resin with modified methyl hexahydrophthalic anhydride was investigated by thermal analysis and gelatin time determination.

31) The study on catalytic oxidation of n-butane to maleic anhydride, in fluidized-bed reactor was investigated.

32) Glucose pentaacetat was directly synthesized from glucose and acetic anhydride with p-toluene sulphonic acid as catalyst under microwave irradiation.

33) The results show that cerous chloride has a better catalytic activity for the acylation of tert-butyl alcohol and acetic anhydride.

34) Perosmic anhydride when 48 degrees Celsius will melt, to 130 degrees Celsius when will seethe with excitement.

35) Synthesis of acyl azide from aldehyde, or acylhydrazine, or carboxylic acid , or acyl chloride, or anhydride, or ester is introduced in this paper.

36) The paper studied the esterification process between ricinus oil and phosphoric anhydride as well as influences to the reaction by making up prescription of materials and temperature.

37) At least one of the cathode, the anode, the separator, and the electrolytic solution contains a sulfone compound having an acid anhydride group and a sulfonyl group.

38) In this paper N-acetylated chitosan films were prepared by the reaction of chitosan and acetic anhydride in the medium CH 3OH and acetic acid.

39) Treatment of 4-chloroaniline (1) with equimolar amounts of mercury acetate, lithium chloride and excess acetic anhydride gave 2 in high yield.

40) It was deduced from FTIR that the condensation reaction was caused by a reaction of ketone group with anhydride.

41) In basic condition E ring was converted into the cyclohexanedicarboxylic anhydride to form purpurin 18 derivatives by the air oxidation.

42) The first route was using the liquid bromine to aromatize the 4-chlorotetrahydrophthalic anhydride to 4-chlorophthalic anhydride, The yield was 89%, and the purity was more than 99%.

43) Sulfuric acid and acetic anhydride were used as a cyclizing agent to prepare Ofloxacin intermediate.

43) try its best to collect and create good sentences.

44) Dodecanol abietate succinic anhydride was synthesized from abietic acid. The structures of products were characterized by spectrum of IR, HNMR and MS.

45) Formyl L aspartic anhydride was prepared by the reaction of L aspartic acid and formic acid with magnesium oxide catalyst in acetic anhydride solvent.

46) A modified oligomer has been prepared by the reaction of epoxidized oil acrylate with maleic anhydride.

47) Stearone glycol fumaric acid ( SGF ) was synthesized with maleic anhydride, cinnamyl alcohol and ethylene glycol.

48) The hemisuccination process and reaction kinetics of stigmasterol with succinic anhydride using toluene as a solvent, pyridine as a catalyst were studied.

49) It's influence on the properties of anhydride cured epoxy resin was studied by scanning electron microscope, heat analysis, limiting oxygen index determination and other methods.

50) Hydrolysis time, temperature, acid concentration are the main hydrolysis factors of octenyl succinic anhydride modified starch.

51) The present invention belongs to the field of polymer material technology and is especially one kind of modified random styrene-maleic anhydride copolymer with improved toughness and strength.

52) An alcohol evaporator for production of acetic acid and acetic anhydride exploded during operation.

53) Phthalein acid anhydride Photophobic pharmaceutical and has special protective action on the ultraviolet ray. It can cure sunlight dermatitis, eczema, etc.

54) This invention relates to a preparation method of substituent glutaric acid anhydride.

55) The consumption and market at home and abroad were introduced in detail. It was pointed out that the key to produce maleic anhydride from n-butane was the development of catalysts. Some proposals ...

56) The market demand[], price and development trend of world phthalic anhydride are reviewed.

57) IBMA Resin has been obtained by the method of sedimental copolymerization of two main monomers, isobutylene and maleic anhydride. It has wide application and is one of fine chemical products.

58) First, T-2 toxin reacted with succinic anhydride in steam-bath to synthesize T-2 hemisuccinate(T-2HS). Thin layer chromatography analysis showed that the objective hapten was obtained successfully.

59) The emphasis was on the synthesis methods including the ones using fumaric acid or cis- fumaric anhydride or cis- butene bicarboxylic anhydride as raw materials.

60) Cetyl phthalate was prepared from phthalic anhydride and cetyl alcohol as raw materials catalyzed by non-acid catalyst.

61) Similarly , using diketene to replace mixed anhydride or acid chloride, intermediate enol 5 may be obtained.

62) Diethyl Fumarate is synthesized by esterification of maleic anhydride and ethanol under microwave radiation on one-step method.

63) Companies engaged mainly in itaconic acid , itaconic acid anhydride, kojic acid and other organic acids, biological agent production, sales, research and development.

64) The DP finishing agents were prepared by free radical polymerization with maleic acid, maleic anhydride and itaconic acid reacting in presence of peroxide.

65) Litsea cubeba oil reacted with hydroxylamine sulfate to give citral oxime, which by dehydration with acetic anhydride in the presence of phase transfer catalyst gave lemonile.

66) The thermal stability and the vitrification point increase with the increase of maleic anhydride content.

67) Uses: One of the most important organic raw materials, mainly used in vinyl acetate, acetic anhydride, acetic ester, acetate, acetate fiber and other products.

68) The paper introduces the application of chromic flotsam natrium bisulfate in the course of neutralization and pre acidification in industry of chromic acid anhydride.

69) When the fibers were treated with acetic anhydride, it was possible to acetylate the chitosan fibers and converted them into chitin fibers.

70) Results show that the main factor influencing the yield of maleic anhydride is the phase composition or oxidation state of vanadium in the catalyst.

71) I perennial companies operating chemical raw materials: styrene, anhydride, phthalic anhydride, and so on.

72) The synthesis of diisopenty maleate with isopentanol and maleic anhydride as reactants and ferric chloride hexahydrate as catalyst have been studied.

73) Sulfonated EPDM ionomers ( S - EPDM ) were prepared with concentrated sulfuric acid and acetic anhydride.

74) A lot of decomposition products are formed, such as dioxoimidazole, dioxopiperazine, acid anhydride, cyanuric acid, ammonium, four,(http:///anhydride.html) five and six-membered ring lactam etc.

75) DL Asparagine was produced by ammonolysis of maleic anhydride in the presence of N catalyst(home made) in a stainless steel autoclave.

76) 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.

77) The influence of oleoyl polyamine prepared by oleic acid and triethylene-tetramine on the properties of cured product of epoxy resin and methyhetrahydrophthalic anhydride(MTHPA)was studied.

78) The synthetic technique of new type high molecular ashless dispersant of polybutene (PBP) and dimaleic anhydride was described.

79) 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.

80) Diethyl fumarate was synthesized with maleic anhydride and ethanol as raw materials, sodium bisulfate and aluminium trichloride as catalyst.

81) DL -aspartic acid was produced by ammonolysis of maleic anhydride in the presence of N catalyst (home-made) in a stainless steel autoclave.

82) Micropipette aspiring system was selected to test the adhesion property of Wistar rat osteoblasts on polylactide (PLA) and maleic anhydride modified polylactide (MPLA) made in our laboratory.

83) Aspirin was synthesized from salicylic acid and acetic anhydride by sodium bisulfat as catalyst.

84) The results are given, tetrahydrophthalic anhydride conversion reaction order is 1, the hydrogen is 0.5.

85) The essay introduce the synthesis and function test about the terpene maleic anhydride ethylene glycol polyester.

86) A water dispersive alkyds resin was prepared by using fatty oil, phthalic anhydride(), trimellitic anhydride and trimethylolpropane as major materials.

87) Up to date, the partial oxidation of n-butane to Maleic Anhydride (MA) over vanadium phosphorus oxide (VPO) catalyst is still an unique alkane selective oxidation reaction industrialized.

88) A terpolymer MAV was synthesized with maleic anhydride(MA), acrylate ester(AE) and vinyl acetate(VA) as raw materials.

89) The effects of acylating agents, acetic anhydride and ketene on synthesis of linalyl acetate from linalool were studied.

90) Based on the principle of HLB, a scheme of epoxy acrylate modified with maleic anhydride was designed, and carboxylated acrylate epoxy with good water dispersity was synthesized successfully.

91) An anionic protein retanning agent has been prepared from collagen hydrolysate by amidation with maleic anhydride and co-polymerization with acrylic acid.

92) 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 .

93) The starch maleic acid ester was prepared with maleic anhydride as esterifying agent in acetone, and the properties of starch maleic acid ester were investigated.

94) Taking chloropropylene oxide, phosphoric anhydride, divinyl triamine as raw materials, the stable and hydrophilic flame retardant was synthesized.

95) Therefore, the intermediate product is phthalic acid and final products are phthalic anhydride, carbon dioxide and water.

96) Methods: The target compounds were synthesized by methylation and acetylation, iodomethane as methylated reagent, acetic anhydride as acylated reagent.

97) In the presence of catalyst phosphoric acid, isomeric addition of bipentene with cis-butenedioic anhydride can form terpenyl bu tenedioic anhydride compound as expoxylite firming agent.

98) Trimellitic anhydride and o - phthalic anhydride are the mainly by - products in the producing process of pyromellitic anhydride.

99) Diethyl glutarate was synthesized using glutaric anhydride and ethanol, which were separated from dicarboxylic acid, as raw material, heteropoly acid as catalyst.

100) Reaction of a terpene alcohol with acetic anhydride in the presence of a high-boiling amine provides a terpene ester.

101) The mechanical property and thermal stability of cured epoxy resin were closely related to the chemical structure of hydrogenated terpinene maleic anhydride.

102) The invention discloses a fructo-oligose maleic acid ester which is formed by the method that maleic anhydride is used for carrying out esterification reaction on fructo-oligose.

103) The O - acetylation of tri - butyl citrate with acetic anhydride catalyzed by polyvinyl pyridine was explored.

104) A polyamide imide was synthesized from trimellitic anhydride and di isocyanate.

105) Sulfur method replaced by acetic anhydride method for chloroacetic production is the trends in domestic.

106) The roasting is atmospherically leached under diluted acid, and the leaching rate of vanadic anhydride in the invention can reach over 82%.

107) The emulsion was detected by TEM, it manifested the diameter of polymer particles from acryloyl modified LS was bigger than form maleic anhydride modified LS.

108) Menthyl acetate was obtained in reaction of the result compound with acetic anhydride, with yield up to 90%.

109) Acetylsalicylic acid was synthesized from salicylic acid and acetic anhydride catalyzed by chloride acidation bentonite.

110) Succinic acid dehydration is one of industrial Methods: To produce succinic anhydride.

111) The di- octadecanol maleic was prepared with maleic anhydride and octadecanol as raw materials and p - toluene sulphonic acid as catalyst.

112) Some low alcohols with different azo - chains were linked up with polymaleic anhydride to prepare bipolar polymaleates.

113) Glutaric anhydride was first prepared With acetic anhydride as dehydrating agent, and hydrogen peroxide was used as oxidant for the preparation of glutaric acid peroxide.

114) METHODS The target compound was prepared from andrographolide and maleic anhydride.

115) The mechanism of photodegradation induced by photosensitizer and the effect of the modified starch and maleic anhydride on the phase structure of PE plastics filled with starch were studied.

116) Compound 1 was esterified by phthalic anhydride to yield monoester derivative 2.

117) Process for synthesizing dimethyl phthalate ( DMP ) for phthalic anhydride and methanol has developed.

118) Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.

119) METHOD The objective compound was synthesized by steps of ring-opening, condensation, hydrazinolysis and hydrolysis, starting from phthalic anhydride.

120) Diethyl maleate was synthesized from maleic anhydride and alcohol in the presence of sodium bisulfate monohydrate.

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