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2 100 386

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Application

96108655/04, 1996-05-14

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Actual filing date

1996-05-14

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Published

1997-12-27

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Inventor

Moiseev V.V.Poluehktov I.T.Guljaeva N.A.Fil' V.G.Kudrjavtsev L.D.Molodyka A.V.Privalov V.A.Markova Z.N.Lykova N.R.Sosnovskaja N.G.Semkina O.D.Bocharov V.D.

(73)

Holder

Voronezhskij Filial Gosudarstvennogo Predprijatija Institut Sinteticheskogo Kauchuka Im.Akad.S.V.Lebedeva"

POLYMERIC COMPOSITION Russian patent published in 1997 - IPC

Abstract RU 2100386 C1

FIELD: organic chemistry; production of synthetic rubbers and latexes. SUBSTANCE: polymeric composition comprises, parts by weight: unsaturated elastomer, 97.0-99.99; and phenol-type stabilizing agent, 0.01-3.0. Stabilizing agent is produced by re-alkylating 4-methyl-2,6-di-tert.butylphenol with nonylphenol, followed by condensation with formaldehyde. Stabilizing agent is constituted by mixture of spatially-obstructed phenols having following composition, parts by weight: 4-methyl-2,6-di-tert.butylphenol, 2-16; 2,6-ditert. butyl-4-nonylphenol, 4-16; 2,2'-methylene-bis-(4-methyl-6-tert. butylphenol), 10-22; 2-(1-hydroxy-4-methyl-6-tert. butylphenol)-2'-(l'-hydroxy-4-nonyl-6'-ter- t. butylphenyl)methane, 35-45; 2,2'-methylene-bis-(4-nonyl-6-tert.butylphenol), 8-33. EFFECT: higher stability. 3 tbl

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RU 2 100 386 C1

Authors

Moiseev V.V.

Poluehktov I.T.

Guljaeva N.A.

Fil' V.G.

Kudrjavtsev L.D.

Molodyka A.V.

Privalov V.A.

Markova Z.N.

Lykova N.R.

Sosnovskaja N.G.

Semkina O.D.

Bocharov V.D.

Dates

1997-12-27—Published

1996-05-14—Filed

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