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Application

2000130441/04, 2000-12-04

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Start date

2000-12-04

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Actual filing date

2000-12-04

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Published

2003-04-27

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Inventor

Starovojtov M.K.Kachegin A.F.Rudakova T.V.Ivankina O.M.Frolikova V.G.Belousov E.K.Bolonkin G.S.Grishin B.S.

(73)

Holder

Otkrytoe Aktsionernoe Obshchestvo Orgsintez"

METHOD OF SYNTHESIS OF N,N'-DICYCLOHEXYL-2-BENZ- THIAZOLSULFENAMIDE Russian patent published in 2003 - IPC

Abstract RU 2203276 C2

FIELD: organic synthesis, rubber industry. SUBSTANCE: invention relates to industrial method of synthesis of N,N'-dicyclohexyl-2-benzthiazolsulfenamide used as accelerating agent of sulfuric vulcanization of rubber mixtures. Method is performed by interaction of 2-mercaptobenzthiazole alkaline or ammonium salt with N,N'-dicyclohexyl chloramines in the mole ratio 2-mercaptobenzthiazole : chloramines = 2: 1 at temperature 20-30 C, pH = 11.5-12.5 in medium of water-soluble solvent. Aqueous solution of C1-C3-alcohol is used as a solvent. Process is completed at achievement of value Redox-potential = = (-100)-(-150) mv. EFFECT: increased yield and enhanced quality of product. 3 cl, 4 ex

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RU 2 203 276 C2

Authors

Starovojtov M.K.

Kachegin A.F.

Rudakova T.V.

Ivankina O.M.

Frolikova V.G.

Belousov E.K.

Bolonkin G.S.

Grishin B.S.

Dates

2003-04-27—Published

2000-12-04—Filed

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