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31. Butyl rubber closures had replaced of natural rubber closures and had been applied in pharmaceutical packaging.

32. The special liquid antioxidant 2,6 di - tert - butyl - 4 - isobutyl phenol was elected by one of the antioxidants development direction.

33. Cardanol - aldehyde ferric polymers were prepared by condensation polymerization with formaldehyde, n - butyl aldehyde, furfural and iron trichloride.

34. Objective To study the catalytic activity of potassium bisulfate in synthesizing butyl lactate.

35. The reaction adopted strong - acid cation exchange resin catalysed phthalic anhydride and butyl alcohol.

36. Synthesis of sterically hindered dicyclohexylmethyl, L menthyl and tert butyl diazoacetate by diazo transfer was described on this paper.

37. Synthesis experiments of butyl acetate were done with ammonium ferric hydrogen phosphate as catalyzer.

38. Through this mechanism, multiblock polystyrenes and polystyrene-block-poly(butyl acrylate) copolymers containing various narrow polydispersity blocks can be prepared.

39. With cheap butyl diacid and chloroacetic acid as starting material, butane-tetracarboxylic acid (BTCA) was synthesized through rational synthesis route.

40. This paper introduces formula design, properties and application of J - 169 butyl rubber sealant.

41. Synthesis of n - butyl lactate is catalyzed by phosphotungstic acid and aluminium phosphotungstate.

42. Like butyl acetate, xylene, propyl alcohol, pimelinketone are slow solvents.

43. Rare earth chlorides were used to catalyze the synthesis of 2-butoxy-3, 4-dihydro-2H-pyran using equimolar acrolein and vinyl butyl ether.

44. Oil in the redeployment of high-octane fuel components, blending the best choice programs, such as redeployment isooctane, cumene, alkyl benzene, methyl tert - butyl ether, alcohol burning Materials.

45. The kinetics of thiol-ene reaction is studied by Fourier Transform Infrared when benzoin dimethyl ether, benzoin ethyl ether, benzoin butyl ether, benzophenone and ITX were used as photosensitizer.

46. The experiment results show that tertiary butyl hydroperoxide (TBPO)-tetra ethylene pentamine (TEPA) redox initiation system is the most appropriate for the preparation of ...

47. The bulk and solution photopolymerization of vinyl butyl ether were studied using diphenyl-4-thiophenoxyphenyl sulfonium salt (DPTS) as photoinitiator.

48. Modification of TDI trimer with butyl glycol has greatly improved its compatibility with hydroxy-containing resins, forming film with hydroxy acrylic resins.

49. Methyl - methacrylate and butyl methacrylate are used as basic monomers to copolymerize into acrylic resin.

50. Our core products are propylene oxide (PO), tertiary butyl alcohol (TBA), styrene monomer (SM), toluene diisocyanate (TDI) and aliphatic diisocyanates (ADI).

51. A method of synthesis of n - butyl acetate catalyzed by zinc sulfate has been developed.

52. Tri - n - butyl tin hydride is,[sentencedict.com] a univenal organotin reagent in organic synthesis.

53. The features of isocyanate trimer and physical properties of tri - n - butyl - phosphine for isocyanate trimer catalyzer were introduced.

54. Butyl methacrylate was synthesized from methacrylic acid and n-butyl alcohol with esterification reactions by the catalytic activey of cerous nitrate.

55. The copolymer latex of butyl acrylate and VAE was prepared by interpenetrating polymer networks ( IPN ) method.

56. This type of sealant mainly butyl rubber, high molecular weight polyisobutylene, a certain degree of polymerization of acrylic, chlorosulfonated polyethylene and neoprene rubber sealant.

57. The method of using optically active phenylglycine butyl ester as resolution agent can obtain the higher yield,(www.Sentencedict.com) and it is easy to operate. So it is suitable for industrial production.

58. Butyl cellosolve aka butyl glycol, ethylene glycol is poisonous when swallowed and a lung - tissue irritant.

59. The degraded starch and acrylamide - butyl acrylate copolymer have been produced.

60. Butyl acetate was synthesized from acetonitrile and butanol by one-step method.