Permanent hydrophobic and oleophotic modification for polymer su

Details Permanent hydrophobic and oleophotic modification for polymer su Permanent hydrophobic and oleophotic modification for polymer su

1997-03-26

1999-01-05

Nakarani, D. S.

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Coated or impregnated woven, knit, or nonwoven fabric which...

Coating or impregnation is specified as water proof

811556, 811565, 811566, 8181, 8196, 428375, 428378, 428409, 428420, 442 89, 442 92, C08J 704, B01D 7182, D06M 13213

Patent

active

058562460

ABSTRACT:
The invention concerns a thin film of a permanent hydrophobic and optionally oleophobic finish for polymer surfaces. The film is formed from at least one layer of a water-soluble polycation and cationic synthetic resin. For further improvement of the oleophobic and permanent hydrophobic properties the film can additionally contain a long-chain surfactant or an alkyl-substituted polyanion.

REFERENCES:
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(Mitsubishi Rayon KK.) 20 Feb. 1987.
JP 1-174 539, Pat. Abstract Japan, C-643, 11 Oct. 1989, vol. 13/No. 451.
DE-Buch: Rompps Chemie-Lexikon, 7. Aufl., S. 2306/2307.
International Standard ISO 6330--Textiles--Domestic washing and drying procedures for textile testing, First edition--1984 Dec. 15.
International Standard CEI/IEC 456--Methods for measuring the performance of electric clothes washing machines for household use; 1974.
International Electrotechnical Commission Standard--Methods for measuring the performance of electric clothes washing machines for household use; Publication 456, 1974.
Dr. Th.Bohme Chemie & Service.

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