FAST-PREPARATION ADHESIVE FOR WALLPAPER Russian patent published in 1998 - IPC

Abstract RU 2120953 C1

FIELD: chemical industry. SUBSTANCE: adhesive is readily soluble in cold water and comprises dry extrudate of oxidized starch or meal. Adhesive is prepared by moisture and thermomechanical treatment at pressure of 1.5-2.5 MPa and temperature of 169-180 C in admixture with starch or meal with moisture content of 13.2-17.3, antiseptic such as sodium cartocide or sorbate and oxidizer such as calcium hypochlorite. Storage time for liquid adhesive is 20 days, storage time for dry adhesive is at least 2 years and drying time is 3-4 h. EFFECT: improved properties. 1 ex, 1 tbl

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RU 2 120 953 C1

Authors

Solomina L.S.

Zhushman A.I.

Karpov V.G.

Gavrilova O.N.

Sinel'Shchikova T.A.

Dates

1998-10-27—Published

1996-07-09—Filed