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2 141 980

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C1

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IPC

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Application

97114333/04, 1997-08-20

(24)

Start date

1997-08-20

(22)

Actual filing date

1997-08-20

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Published

1999-11-27

(72)

Inventor

Gordon E.P.Klimov S.A.Mitrokhin A.M.Sorokina O.V.

(73)

Holder

Volgogradskoe Aktsionernoe Obshchestvo Otkrytogo Tipa

MULTIFUNCTIONAL MODIFIER OF RUBBER MIXES AND METHOD OF PREPARING THEREOF Russian patent published in 1999 - IPC

Abstract RU 2141980 C1

FIELD: modifier for tyre and industrial rubbers. SUBSTANCE: p-xylene and paraffin are chlorinated at 4.5-4.7:1 weight ratio calculated for original p-xylene in the presence of 0.1-2.0 wt % with respect to p-xylene of initiator. Initiator is used as solution at temperature at which initiator shows its initiating power at pressure not higher than 5 atm. Mixing is carried out at drop point of reaction mixture of at least 92 C. Hydrogen chloride is then blown off. Stabilizer is added and final product is isolated in the form of scales and granules. EFFECT: simplified process and homogeneous final product. 3 cl, 6 ex

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RU 2 141 980 C1

Authors

Gordon E.P.

Klimov S.A.

Mitrokhin A.M.

Sorokina O.V.

Dates

1999-11-27—Published

1997-08-20—Filed

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