1
Jaime Braverman
Mary Lucille DeLucia, Xin Ning, Jaime Braverman, Eric Mitchell Johns, David M Schertz, Robert L Pekrul, Robert L Hudson, Soo Gyung Jung, JeaSeung Chin, Kue Young You, Kyung Hee Cho, Jin Hee Lee: Methods of improving the softness of fibers and nonwoven webs and fibers and nonwoven webs having improved softness. Kimberly-Clark Worldwide, Kimberly Clark Worldwide, January 8, 2004: US20040005457-A1

The present invention provides a method for producing softer fibers and nonwoven webs that includes forming a mixture comprising (i) a thermoplastic and (ii) an additive selected from the group consisting of polyethylene waxes, glyceryl monostearate, sorbitan tristearate, CATALLOY KS357 MONTELL poly ...


2
Butin Robert R, Keller James P, Harding John W: Non-woven mats by melt blowing. Exxon Research and Engineering Company, Burgess Timothy L, Roth David A, November 19, 1974: US3849241 (1082 worldwide citation)

Melt blown non-woven mats prepared from thermoplastic polymer fibers and substantially completely free of polymer shot are produced at high polymer throughput rates in an improved melt blowing process in which thermoplastic polymer resins, preferably polypropylene, having initial intrinsic viscositi ...


3
Richard A Anderson, Robert C Sokolowski, Kurt W Ostermeier: Nonwoven fabric and method of producing same. Kimberly Clark Corporation, Leydig Voit Osann Mayer & Holt, July 11, 1978: US04100324 (926 worldwide citation)

A nonwoven fabric-like material having a unique combination of strength, absorbency and hand consists essentially of an air-formed matrix of thermoplastic polymer microfibers having an average fiber diameter of less than about 10 microns, and a multiplicity of individualized wood pulp fibers dispose ...


4
Matsuki Mutsuo, Nishimura Sadaji, Goto Masato: Apparatus for producing non-woven fleeces. Asahi Kasei Kogyo Kabushiki Kaisha, Sughrue Rothwell Mion Zinn & Macpeak, April 9, 1974: US3802817 (792 worldwide citation)

The invention relates to a process for the manufacture of a fleece-like sheet having a non-woven texture, from a large number of melt-spun monofilaments.The improvement resides in the arrangement of the melt-spun monofilaments in a curtain-like form which is then subjected to the action of a pair of ...


5
Tony J Wisneski, Michael T Morman: Polyolefin-containing extrudable compositions and methods for their formation into elastomeric products including microfibers. Kimberly Clark Corporation, Joseph P Harps, May 5, 1987: US04663220 (758 worldwide citation)

The disclosure is generally directed to an extrudable elastomeric composition formed by blending from at least 10 percent, by weight, of an A-B-A' block copolymer where "A" and "A'" are each a thermoplastic endblock which includes a styrenic moiety and where "B" is an elastomeric poly(ethylene-butyl ...


6
Richard D Pike, Kurtis L Brown, Sharon W Gwaltney, Thomas A Herschberger, Scott D Siegel: Nonwoven multicomponent polymeric fabric and method for making same. Kimberly Clark Corporation, Michael U Lee, William D Herrick, January 17, 1995: US05382400 (539 worldwide citation)

A process for making nonwoven fabric including the steps of meltspinning continuous multicomponent polymeric filaments, drawing the multicomponent filaments, at least partially quenching the multicomponent filaments so that the multicomponents have latent helical crimp, activating the latent helical ...


7
David C Strack, Linda A Connor, Sharon W Gwaltney, Ann L McCormack, Susan E Shawver, Jay S Shultz: Nonwoven fabric made with multicomponent polymeric strands including a blend of polyolefin and ethylene alkyl acrylate copolymer. Kimberly Clark Corporation, William D Herrick, Michael U Lee, August 9, 1994: US05336552 (397 worldwide citation)

A nonwoven fabric made with multicomponent polymeric strands includes a blend of a polyolefin and ethylene alkyl acrylate in one side or the sheath of the multicomponent polymeric strands. The fabric has improved abrasion resistance, strength, toughness and softness properties. Composite materials i ...


8
Akira Kaneko, Yoshinori Kobayashi, Katsuya Hata: Soft nonwoven fabric of filaments. Mitsui Petrochemical, Sherman and Shalloway, April 28, 1992: US05108820 (361 worldwide citation)

Nonwoven fabrics formed, in spun-bonding process, of crimped bi-component composite filaments composed of (A) a first component composed of (a) 3 to 40% by weight of a propylene/ethylene random copolymer having a melting point, determined from DSC main peaks of 110.degree. to 150.degree. C. and a me ...


9
William A Georger, Mark F Jones, Thomas J Kopacz, Gregory A Zelazoski: Abrasion resistant fibrous nonwoven composite structure. Kimberly Clark Corporation, Karl V Sidor, Patrick C Wilson, September 27, 1994: US05350624 (293 worldwide citation)

Disclosed is an abrasion resistant fibrous nonwoven structure composed of (1) a matrix of meltblown fibers having a first exterior surface, a second exterior surface, and an interior portion; and (2) at least one other fibrous material integrated into the meltblown fiber matrix so that the concentra ...


10
Hansen Paul Bernard, Pennings Leon Benjamin: Pattern bonded continuous filament web. Kimberly Clark Corporation, Wolfe Hubbard Leydig Voit & Osann, December 17, 1974: US3855046 (283 worldwide citation)

Continuous filament webs of thermoplastic polymers, such as polypropylene, are bonded to provide webs with desirable characteristics such as textile-like drape and softness, strength, abrasion resistant surfaces, and a high capacity for absorbing energy. One illustrated method of bonding the webs wh ...



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