Silica base particles and production process for same

Details Silica base particles and production process for same Silica base particles and production process for same

1998-12-09

2000-11-21

Michl, Paul R.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

523217, C08K 900

Patent

active

061504343

ABSTRACT:
Provided is a silica base particle having an average particle diameter of 0.01 to 10 .mu.m, wherein carboxylic esters are present on the surface of the above particle in a proportion falling in a range of 0.05 to 10% by weight based on the weight of the above particle. A polyester film containing the above silica base particles shows an excellent lubricant property and scratch resistance.

REFERENCES:
patent: 4977029 (1990-12-01), Brown
patent: 5635557 (1997-06-01), Kimura
Japanese Laid-Open Publication No. 310965/1993 and English Abstract, published Nov. 22, 1993.
Japanese Laid-Open Publication No. 331357/1993 and English Abstract, published Dec. 14, 1993.
Japanese Laid-Open Publication No. 331300/1993 and English Abstract, published Dec. 14, 1993.
Japanese Patent Publication No. 91400/1995 and English Abstract, published Jun. 22, 1993.
Japanese Laid-Open Publication No. 65404/1994 and English Abstract, published Mar. 8, 1994.

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