C - Chemistry – Metallurgy – 01 – G
Patent
C - Chemistry, Metallurgy
01
G
23/24, 400/7041
C01G 21/14 (2006.01) C09C 1/16 (2006.01)
Patent
CA 1172826
Abstract of the Disclosure When dissolving highly pure lead(II)oxide in aqueous acetic acid, introducing carbon dioxide under slight pressure at a temperature of 10 to 40°C until a pH of 7 is reached, removing the precipitate and drying it under mild conditions a "white lead" (basic lead carbonated is obtained which is free of lead oxides, has a remission of at least 60 % at 300 to 800 nm and is thermostable up to 300°C. Therefore, this product is useful as a pigment even for polyolefins, especial- ly polyethylene, and apt for preparing flat structures showing the remission properties of snow.
363206
Jabonka Dieter
Klotz Gunther
Kunz Wilhelm
Lenz Hans-Joachim
Nagel Rolf
Dorken (ewald) Aktiengesellschaft
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
Lindgens & Sohne G.m.b.h. & Co.
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