Paper making and fiber liberation – Processes and products – Non-fiber additive
Patent
1990-05-31
1992-07-07
Chin, Peter
Paper making and fiber liberation
Processes and products
Non-fiber additive
162150, 1621818, D21H 1768
Patent
active
051279959
ABSTRACT:
A family of novel and unique synthetic alkali metal alumino-silicates (SAMS) are produced by the hydrothermal reaction between kaolin and alkali metal silicates. The integrated composition of the SAMS products is a unique entity having an overall composition of ##STR1## where x is the number of moles of alkali metal oxide and is an integer from 0.01 to 2.0, M is the alkali metal, y is the number of moles of SiO.sub.2 in the unique SAMS compositions and is an integer greater than 2.0, and z is the number of moles of bound water and is an integer ranging from 1.0 to 5.0. The unique SAMS compositions are structured materials in which the structure can be controlled, and are therefore useful as functional fillers, as TiO.sub.2 extenders, as silica extenders or as reinforcing agents for paper, paint, rubber, plastics and specialty products.
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Rowland, B. W., "The Colloidal Nature or Clay With Reference to Papermaking", Paper Trade Journal, Oct. 17, 1940, pp. 207-212.
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Chin Peter
Flanders Harold H.
Horn Alec H.
J. M. Huber Corporation
Price Robert L.
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