D - Textiles – Paper – 06 – M
Patent
D - Textiles, Paper
06
M
D06M 13/513 (2006.01) A47L 13/16 (2006.01) D04H 1/54 (2006.01) D04H 1/56 (2006.01) D06M 15/647 (2006.01)
Patent
CA 2041390
Abstract of the Disclosure A nonwoven wipe having improved grease release is provided which includes a meltblown polyolefin web having a basis weight of from about 17 to about 204 g/m2, in which: A. the meltblown polyolefin web has at or on the surfaces of the fibers thereof at least one additive having the general formula, Image in which: (1) R1-R9 are independently selected monovalent C1-C3 alkyl groups; (2) R10 is hydrogen or a monovalent C1-C3 alkyl group; (3) m represents an integer of from 1 to about 4; (4) n represents an integer of from 0 to about 3; (5) the sum of m and n is in the range of from 1 to about 4; (6) p represents an integer of from 0 to about 5; (7) x represents an integer of from 1 to about 10; (8) y represents an integer of from 0 to about 5; (9) the ratio of x to y is equal to or greater than 2; (10) the additive has a molecular weight of from about 350 to about 1,400; and (11) the additive is present in an amount of from about 0.5 to about 5 percent by weight, based on the amount of thermoplastic polyolefin; and B. the wipe has been pattern bonded by the application of heat and pressure in the ranges of from about 80- C to about 180- C and from about 150 to about 1,000 pounds per linear inch, respectively, employing a pattern with from about 10 to about 250 bonds/inch2 covering from about 5 to about 30 percent of the wipe surface area.
Macdonald J. Gavin
Nohr Ronald S.
Borden Ladner Gervais Llp
Kimberly-Clark Corporation
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