Stick of small diameter

Details Stick of small diameter Stick of small diameter

1988-04-28

1991-02-19

Kendell, Lorraine T.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428401, 604 1, A61M 3500, D02G 300

Patent

active

049943251

ABSTRACT:
A stick of small diameter being highly stiff, difficult to break or crack and usable as a cotton swab, straw, "sunokos", etc. is provided, which stick comprises a polypropylene resin as the raw material resin thereof having a crystallinity of 0.945 or more and a melt flow rate of 0.2 to 20 g/10 minutes and satisfying a relation between melt flow rate and Q value of y.gtoreq.2x+8 wherein y represents Q value and x represents melt flow rate and which stick is obtained by molding said polypropylene resin into a stick and stretching this stick to 5 times or more the original length thereof.

REFERENCES:
patent: 2842790 (1958-07-01), Castelli
patent: 3255494 (1966-06-01), Bloch et al.
patent: 3367926 (1968-02-01), Voeks
patent: 3394702 (1968-07-01), Heimlich et al.
patent: 4259790 (1981-04-01), Borisof

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