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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0729356 (1976-10-04) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 535 인용 특허 : 0 |
A non-woven fabric-like material comprising an integrated mat of generally discontinuous, thermoplastic polymeric microfibers and a web of substantially continuous and randomly deposited, molecularly oriented filaments of a thermoplastic polymer. The polymeric microfibers have an average fiber diame
A non-woven fabric-like material comprising an integrated mat of generally discontinuous, thermoplastic polymeric microfibers and a web of substantially continuous and randomly deposited, molecularly oriented filaments of a thermoplastic polymer. The polymeric microfibers have an average fiber diameter of up to about 10 microns while the average diameter of filaments in the continuous filament web is in excess of about 12 microns. Attachment between the microfiber mat and continuous filament web is achieved at intermittent discrete regions in a manner so as to integrate the continuous filament web into an effective load bearing constituent of the material. The material has desirable strength characteristics and possesses a textile-like appearance, drape and hand. By autogenously bonding the mat and web together in a manner so as to provide substantially uniform discrete bond regions, particularly outstanding strength characteristics with respect to energy absorption, tensile strength, and tear resistance can be achieved.
A nonwoven fabric-like material comprising a web of substantially continuous and randomly deposited, molecularly oriented filaments of a thermoplastic polymer having an average filament diameter in excess of about 12 microns and an integrated mat of generally discontinuous, thermoplastic polymeric m
A nonwoven fabric-like material comprising a web of substantially continuous and randomly deposited, molecularly oriented filaments of a thermoplastic polymer having an average filament diameter in excess of about 12 microns and an integrated mat of generally discontinuous, thermoplastic polymeric microfibers having an average fiber diameter of up to about 10 microns and a softening temperature of about 10°-40°C. less than the softening temperature of the continuous filaments; said web and mat being positioned in laminar surface-to-surface relationship and united together at intermittent discrete bond regions formed by the application of heat and pressure to thereby provide a unitary structure having desirable textile-like appearance and drape characteristics and to integrate the web of substantially continuous filaments so that said web can function as an effective load bearing constituent of the material during straining thereof.
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