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2 247 751

(13)

(51)

IPC

(21) (22)

Application

2003135668/04, 2003-12-08

(24)

Start date

2003-12-08

(22)

Actual filing date

2003-12-08

(45)

Published

2005-03-10

(72)

Inventor

Akatova I.N.Nikulin S.S.Korystin S.I.

(73)

Holder

Gosudarstvennoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Voronezhskaja Gosudarstvennaja Tekhnologicheskaja Akademija

BUTADIENE-STYRENE RUBBER RECOVERY METHOD Russian patent published in 2005 - IPC

Abstract RU 2247751 C1

FIELD: rubber industry.

SUBSTANCE: method consists in coagulation of latex with sodium chloride and mineral acid and is characterized by that mineral acid utilized is fiber-acidifying composite obtained by treating fibrous material for 10-60 min with sulfuric acid at 40-80°C, amount of the acid constituting 0.1 to 1.0% on the weight of rubber.

EFFECT: stabilized recovery process, reduced loss of rubber with produced rubber crumb, and weakened environmental pollution with rubber products.

4 tbl, 9 ex

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RU 2 247 751 C1

Authors

Akatova I.N.

Nikulin S.S.

Korystin S.I.

Dates

2005-03-10—Published

2003-12-08—Filed