Polyvinyl alcohol fibers containing acicular colloidal clay

Paper making and fiber liberation – Processes and products – Plural fiber containing

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162157R, 162181D, 428372, D21F 1100

Patent

active

041572750

ABSTRACT:
Polyvinyl alcohol fibers having needle-like crystals of colloidal clay, especially attapulgite or sepiolite clay, disseminated therein in amount within the range of from 30% to 75% of the dry weight of the fibers. The composite fibers are capable of being partially or totally substituted for cellulose fibers in the making of paper products by conventional paper-forming means.

REFERENCES:
patent: 2251296 (1941-08-01), Shipp
patent: 2641557 (1953-06-01), Green
patent: 3409598 (1968-11-01), Takigawa et al.
patent: 3582462 (1971-06-01), Ashikaga et al.

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