adipic acid वाक्य
उदाहरण वाक्य
मोबाइल
- It can be biodegredated to form adipic acid and di ( 6-hydroxyhexyl ) carbonate by " Roseateles depolymerans " 61A.
- Mixtures of different methyl dibasic esters are commercially produced from short-chain acids such as adipic acid, glutaric acid, and succinic acid.
- The oxidation of cyclohexane in the presence of boric acid produced a mixture of cyclohexanol and cyclohexanone, precursors of adipic acid.
- Other applications of homogeneous catalysis studied in CRD include ethylene polymerization, cyclohexane oxidation to adipic acid, and butadiene carbonylation to nylon intermediates.
- Another car was a covered hopper carrying adipic acid, a raw material used to make nylon fiber, polyurethane and other products, Husband said.
- Instead he wanted to use benzene as the feedstock for making both adipic acid and hexamethylenediamine to make a 6 / 6 polyamide.
- DuPont, officials said, not only has cut its energy consumption, but invested millions of dollars changing its processes for making adipic acid powder, a chemical feedstock.
- Nylon 6, 6 is made of two monomers each containing 6 carbon atoms, hexamethylenediamine and adipic acid, which give nylon 66 or PA 66 . its name.
- Conventional polyester polyols are based on virgin raw materials and are manufactured by the direct polyesterification of high-purity diacids and glycols, such as adipic acid and 1, 4-butanediol.
- Isophorone is reduced by hydrogenation to the trimethylcyclohexanol, which is then oxidized with nitric acid ( in the same fashion as adipic acid is synthesized from cyclohexane ).
- For example, DuPont has found ways to end emissions of nitrous oxide, a greenhouse gas, that once flowed from its process for making adipic acid, an ingredient in nylon.
- For acids with carboxylic groups at position 1 and 6 this dehydration causes loss of carbon dioxide and water to form a cyclic ketone, for example adipic acid will form cyclopentanone.
- Later work focused on the activation of C-H bonds by transition metal complexes and free radical oxidation of cyclohexane for the production of adipic acid, an intermediate in the manufacture of nylon.
- It is found that the cavity dimensions are optimal for inclusion of suberic acid but that with a longer acid sebacic acid or a shorter acid adipic acid the interaction is less favorable.
- Historically, adipic acid was prepared by oxidation of various fats, thus the name ( ultimately from Latin " adeps ", " adipis " " animal fat "; cf . adipose tissue ).
- On February 28, 1935, Gerard Berchet, under the direction of Carothers, produced a half-ounce of polymer from hexamethylenediamine and adipic acid, creating polyamide 6-6, the substance that would come to be known as Nylon.
- RadiciGroup manages diversified businesses worldwide focused on Chemicals, Plastics and Synthetic Fibres with total control over its production chain, from products such as adipic acid, polyamide 6 and polyamide 6.6 to yarns and engineering plastics.
- A low temperature example is work by Kitagawa, et al . who used a two-dimensional oxalate-bridged anionic layer framework as the host and introduced ammonium cations and adipic acid molecules into the pores to increase proton concentration.
- The anionic ( HO 2 C ( CH 2 ) 4 CO 2 " ) and dianionic ( " O 2 C ( CH 2 ) 4 CO 2 " ) forms of adipic acid are also referred to as adipate.
- While working on the air oxidation of cyclohexane to adipic acid ( an intermediate in the preparation of nylon-66 ) he discovered a series of bis ( pyridylimino ) isoindoline complexes of cobalt to be very effective catalysts for the decomposition of the intermediate cyclohexylhydroperoxide.
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