Method for increasing the absorption rate of paper

Details Method for increasing the absorption rate of paper Method for increasing the absorption rate of paper

1985-04-29

1986-12-30

Chin, Peter

Paper making and fiber liberation

Processes and products

Non-uniform, irregular or configured web or sheet

162112, 162135, 162158, 1621643, 162179, D21H 308, D21H 524

Patent

active

046327304

ABSTRACT:
Paper, especially wet- or dry-creped paper, is manufactured with a high rate of absorption of aqueous media by using carboxylic acid esters of carboxylic acids with 8 to 30 carbon atoms and at least one of ethoxylated and/or propoxylated primary and/or secondary alcohols with 12 to 40 C atoms, ethoxylated and/or propoxylated alkyl phenols, ethoxylated and/or propoxylated amines, and ethoxylated and/or propoxylated amides, with a degree of ethoxylation or propoxylation of 3 to 50; and/or by using polyethers obtained from the reaction of long-chain epoxides with 8 to 30 carbon atoms and at least one of ethoxylated and/or propoxylated primary and/or secondary alcohols with 12 to 40 C atoms, ethoxylated and/or propoxylated alkyl phenols, ethoxylated and/or propoxylated amines, and ethoxylated and/or propoxylated amides, with a degree of ethoxylation or propoxylation of 3 to 50.

REFERENCES:
patent: 3180786 (1965-04-01), Domba et al.
patent: 3637869 (1972-01-01), Seizinger
patent: 4303471 (1981-12-01), Laursen
patent: 4483741 (1984-11-01), Maloney et al.
Technicshes Markblatt Afranil TH Flussig.
Chemical Abstracts, vol. 89, No. 181,429c, entitled "Absorbent Cellulose Material", by Laursen, B. L.

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