Regularly-shaped aluminosilicate and its use

Details Regularly-shaped aluminosilicate and its use Regularly-shaped aluminosilicate and its use

1997-07-31

1999-10-05

Bell, Mark L.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

524443, 501154, C01B 3326, C08K 334

Patent

active

059619430

ABSTRACT:
A regularly-shaped aluminosilicate useful as a blending agent for resins and coating materials, featuring low hygroscopic property, excellent pigment property, being capable of being easily dispersed in resins, and making it easy to carry out the blending operation. The regularly-shaped aluminosilicate comprises regularly-shaped sodium aluminosilicate particles obtained by firing a synthetic A or Pc zeolite, and has a nepheline or carnegieite crystalline structure, and further has an average particle diameter of from 0.5 to 30 .mu.m, an apparent specific gravity of from 0.3 to 0.8 g/cm.sup.3, an amount of oil absorption of not larger than 50 ml/100 g, a refractive index of from 1.46 to 1.56, and an amount of moisture absorption of smaller than 1% at a relative humidity of 90%.

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