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2 067 604

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C1

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IPC

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Application

94003833/04, 1994-02-01

(22)

Actual filing date

1994-02-01

(45)

Published

1996-10-10

(72)

Inventor

Lopyrev V.A.Antonik L.M.Shafeeva I.V.Odintsov V.V.Shafeev M.A.Kozyrev V.G.Min'Kov A.S.Shul'Gin V.K.

(73)

Holder

Irkutskij Institut Organicheskoj Khimii So Ran

ADHESIVE MELT Russian patent published in 1996 - IPC

Abstract RU 2067604 C1

FIELD: jewetry industry. SUBSTANCE: claimed adhesive is prepared from polyvinyl acetate (polymers having molecular weight of from 60,000 to 200,000) obtained by polymerization of vinyl acetate in alcoholic solution and is subsequently heat treated at 100-190 C for 20-180 min. Adhesive seam, when semi- precious stone raw material is fixed on dop rod, is strong within temperature range of 0 to 140 C and is readily separated when heated to 150 C. The claimed adhesive melt can be reused. EFFECT: improved properties of the adhesive melt. 1 tbl

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RU 2 067 604 C1

Authors

Lopyrev V.A.

Antonik L.M.

Shafeeva I.V.

Odintsov V.V.

Shafeev M.A.

Kozyrev V.G.

Min'Kov A.S.

Shul'Gin V.K.

Dates

1996-10-10—Published

1994-02-01—Filed

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