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806 101

(13)

A1

(51)

IPC

(21) (22)

Application

2706331/05, 1979-01-02

(22)

Actual filing date

1979-01-02

(45)

Published

1997-01-20

(72)

Inventor

Reusova L.A.Fedorov A.A.Orlov V.A.Zhigalov V.G.Kuprijanov A.R.

METHOD OF PREPARING HOLLOW MICROGLOBES Russian patent published in 1997 - IPC

Abstract SU 806101 A1

FIELD: chemical engineering. SUBSTANCE: method of preparing hollow microglobes by way of pulverizing homogenized composition of phenol-formaldehyde resin, a blowing agent, and a surfactant into a heated gaseous medium, followed by hardening and drying resultant microglobes, is distinguished with that, when being pulverized, composition is characterized with density 0.4-0.9 g/cu.cm and size of gas bubbles therein 5-140 mcm. EFFECT: improved performance characteristics.

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SU 806 101 A1

Authors

Reusova L.A.

Fedorov A.A.

Orlov V.A.

Zhigalov V.G.

Kuprijanov A.R.

Dates

1997-01-20—Published

1979-01-02—Filed

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