Coating processes – Particles – flakes – or granules coated or encapsulated – Inorganic base
Patent
1998-09-22
2000-07-04
Woodward, Ana
Coating processes
Particles, flakes, or granules coated or encapsulated
Inorganic base
106416, 106417, 106483, 106484, 106487, 2523152, 501141, 501145, 501148, C08K 334
Patent
active
060835591
ABSTRACT:
Intercalates formed by contacting a layered material, e.g., a phyllosilicate, with an intercalant monomer having a hydroxyl and/or an aromatic ring functionality to sorb or intercalate the intercalant monomer between adjacent platelets of the layered material. Sufficient intercalant monomer is sorbed between adjacent platelets to expand the adjacent platelets to a spacing of at least about 5 .ANG. (as measured after water removal to a maximum of 5% by weight water), up to about 100 .ANG. and preferably in the range of about 10-45 .ANG., so that the intercalate easily can be exfoliated into individual platelets. The intercalated complex can be combined with an organic liquid into a viscous carrier material, for delivery of the carrier material, or for delivery of an active compound; or the intercalated complex can be combined with a matrix polymer to form a strong, filled polymer matrix. Alternatively, the intercalated complex can be exfoliated prior to or after combination with the organic liquid or the matrix polymer.
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Beall Gary W.
Goldman Anatoliy
Sorokin Anatoliy
Tsipursky Semeon
Amcol International Corporation
Woodward Ana
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