Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1981-01-13
1983-05-17
Woo, Jay H.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
264176F, 2642108, 526351, D04H 104
Patent
active
043840981
ABSTRACT:
In accordance with the present invention, novel lustrous, filamentary polypropylene products are produced by melt spinning a polypropylene resin, having a molecular weight distribution of less than about 7 and a melt flow between about 20 and about 60, at a spinning temperature below about 510.degree. F. and taking up the spun filaments at a speed above about 1200 meters per minute. A novel product having a high degree of luster is also produced in accordance with the present invention.
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Hagler Gerald E.
Hatcher Charles S.
Phillips Petroleum Company
Woo Jay H.
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