THERMALLY BOUND HYDROPHYLIC BICOMPONENT POLYOLEFIN FIBER AND METHOD OF ITS PRODUCTION Russian patent published in 1997 - IPC

Abstract RU 2079585 C1

FIELD: production of fluffy fibrous hygienic absorbing materials. SUBSTANCE: two polyolefins taken in the ratio of (30:70)-(70:30) are melted. Core polyolefin melting temperature is higher and introduced into melt of shell component is surfactant in the amount of 0.1-5.0 % of the mass of formed fiber. Components are formed into bundle, drawn and cut into lengths up to 35 mm long. Surfactant is used in form of nonionic, cationic ones, ester of fatty acid and glycerol, amide of fatty acid, or polyglycol amide. Bicomponent thermally bound hydrophylic fiber has linear density of 1-7 dtex and may have up to four crimps. EFFECT: higher efficiency. 15 cl, 4 dwg , 4 tbl

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RU 2 079 585 C1

Authors

Anders Staf Khansen[Dk]

B'Ern Marcher[Dk]

Peter Skloss[Dk]

Dates

1997-05-20Published

1989-05-02Filed