Process for the production of cellulose fibre containing products in sheet or web form
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United States of America Patent
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Jan 11, 1994
Grant Date -
N/A
app pub date -
Dec 9, 1991
filing date -
Dec 11, 1990
priority date (Note) -
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status (Latency Note)
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Abstract
Cellulose fibre containing products in sheet or web form, such as paper and pulp sheets, are produced from a suspension of cellulose containing fibres, and optional fillers, to which is added anionic inorganic particles, such as bentonite and silica based particles, and a cationic carbohydrate polymer containing aluminum. The cationic carbohydrate polymers are cationic galactomannans or cationic starch. High cationized starch with a degree of substitution of at least 0.07 are especially suitable.
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