Organoclay compositions for gelling unsaturated polyester resin systems
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United States of America Patent
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Mar 18, 2003
Grant Date -
Jan 3, 2002
app pub date -
Aug 3, 2001
filing date -
Nov 7, 1995
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Abstract
An organoclay composition for gelling unsaturated polyester resin/monomer systems comprising a mineral clay mixture which has been treated with an alkyl quaternary ammonium compound. The mineral clay mixture comprises two components; mineral clay (a) comprising greater than 50 wt. %, based on the weight of the mineral clay mixture, of a mineral clay selected from the group consisting of sepiolite, palygorskite and mixtures of sepiolite and palygorskite; and mineral clay (b) comprising less than 50 wt. %, based on the weight of the mineral clay mixture, of a smectite.
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