Paper-like polyester fiber sheet and process for producing the s

Details Paper-like polyester fiber sheet and process for producing the s Paper-like polyester fiber sheet and process for producing the s

1983-02-24

1985-01-29

Kendell, Lorraine T.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

1621573, 428296, D21F 1100, D04H 158

Patent

active

044965834

ABSTRACT:
A paper-like polyester sheet having an enhanced filtering property, an excellent mechanical strength and satisfactory touch and appearance, comprises polyester staple fibers and has a coefficient of air flow resistance of 1,000 to 50,000 dyn.s/cm.sup.4 at a volume fraction of the fibers of from 0.01 to 0.24.

REFERENCES:
patent: 3309260 (1967-03-01), Boese
patent: 3394047 (1968-07-01), Sommer et al.
patent: 3401078 (1968-09-01), Grossteinbeck et al.
patent: 3489643 (1970-01-01), Hoffman
patent: 3730830 (1973-05-01), Driscoll
patent: 4267016 (1981-05-01), Okazaki et al.

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