Ethylene polymer fibrils

Details Ethylene polymer fibrils Ethylene polymer fibrils

D - Textiles, Paper

01

D

18/500

D01D 5/40 (2006.01) D01F 6/04 (2006.01)

Patent

CA 1155618

H-90 ABSTRACT Improved ethylene polymer fibrils are provided which are characterized in having: (a) a melt temperature of at least about 137°C, (b) a molecular weight of at least 250,000, (c) at least about 1.2 weight % of polyvinyl alcohol sorbed thereon, and (d) a zero-span breaking length of at least about 25,000. Water-laid sheets prepared from the fibrils have the following minimum factored values: Mullen Burst 30 psi Elmendorf Tear Strength 300 grams/sheet Tensile Strength 15 lbs/inch Elongation at Break 40%

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