LUMINESCENT SOLID SUSPENSION Russian patent published in 1995 - IPC

Abstract SU 1748431 A1

FIELD: chemical technology. SUBSTANCE: suspension has luminescent solid 100 mas. p., polyvinyl alcohol 3-7 mas. p., colloidal silicon dioxide at concentration SiO₂ 30% modified with aluminium hydroxide at concentration 0.15-0.25% Al₂O₃ to SiO₂ 0.5-1.0 mas. p., water 100-170 mas. p. Charge components were stirred in ball mill. Lamps with power 1.5 W were covered with suspension proposed. Lamp properties on the basis of "white mixture" of luminescent solid L48, L49 and L47: light flow are 35-36 lm, no falling off. Suspension is used in luminescent lamp of low pressure. EFFECT: enhanced quality of suspension. 2 cl, 3 tbl

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SU 1 748 431 A1

Authors

Ivanova E.V.

Paramonova L.L.

Saminskij L.A.

Kharlashkina G.M.

Kukhareva A.I.

Dates

1995-04-20—Published

1990-04-04—Filed