Nanometric TiO2-catalyzed production of polyamides
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United States of America Patent
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Jul 15, 2003
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N/A
app pub date -
Jun 25, 2001
filing date -
Dec 23, 1998
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Expired
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Abstract
(Co)polyamides, for example the polyamides 6 and 66, are prepared via the improvedly catalyzed polycondensation of (co)polyamide-forming (co)monomers, even in the presence of normally catalyst-inhibiting matting agents (e.g., microparticulate TiO.sub.2), the catalyst therefor comprising solid nanometric TiO.sub.2 particulates having diameters of less than 100 nm.
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