Composite compositions
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United States of America Patent
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N/A
Issued Date -
Mar 31, 2005
app pub date -
Feb 9, 2004
filing date -
Jul 4, 2001
priority date (Note) -
Abandoned
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Abstract
There is described a composite composition comprising a layered mineral and at least one polymer precursor which is substantially miscible therewith; characterised in that: (i) the composition and/or polymer precursor are polymerisible by radiation to form a polymeric composition; and/or (ii) the polymer precursor comprises a polymer obtained and/or obtainable by polymerisation with radiation. Further described are composite compositions comprising a layered mineral and intercalated therein at least one polymer which is further polymerisable by radiation to form a polymeric network, such as a polymeric coating. Preferred minerals are nanoclays such a montmorillonite in which the counter cation comprises a radiation curable organo functional group covalently bonded thereto (e.g. an acrylate functional onium ion). Processes for making the composites are also described.
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