Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Patent
1997-05-22
1999-04-06
Seidleck, James J.
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
106481, 106482, 106492, C04B 1404
Patent
active
058912355
ABSTRACT:
An additive for resins, a process for preparing amorphous definite particles used as an inorganic additive, and an olefin resin composition blended with the additive, and an agricultural film blended with the additive and a lithium-aluminum composite hydroxide carbonate. The additive for resins comprises amorphous definite particles having (1) a molar ratio SiO.sub.2 /Al.sub.2 O.sub.3 of from 2.1 to 3.3 on the basis of oxides, (2) an average particle diameter of from 0.3 to 10 .mu.m, (3) a moisture regain at equilibrium (RH90%) of not greater than 10%, (4) a bulk density of from 0.5 to 1.2 g/ml, and (5) a pH in the form of an aqueous suspension of from 6 to 10, said amorphous definite particles being obtained by acid-treating and then heat-treating a Pc zeolite having a spherical particle shape, a notched surface and a molar ratio SiO.sub.2 /Al.sub.2 O.sub.3 of from 2 to 3.4 on the basis of oxides, and said amorphous definite particles further having substantially the same particulate structure as that of said Pc zeolite.
REFERENCES:
Database WPI, Section Ch, Week 8404, Derwent Pubications Ltd., London, GB; & JP 58 213 031 A (Mizusawa Chem Ind Co Ltd) 10 Dec. 1983.
Database WPI, Section Ch, Week 8736, Derwent Publications Ltd., London, GB; & JP 62 174 243 A (Mizusawa Chem Ind Co Ltd) 31 Jul. 1987.
Inoue Hiroo
Nakagawa Hideyuki
Ogawa Hiroshi
Suzuki Kazuhiko
Mizusawa Industrial Chemicals Ltd.
Rajguru U. K.
Seidleck James J.
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