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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0512275 (1990-04-20) |
우선권정보 | JP-0104980 (1989-04-25) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 416 인용 특허 : 0 |
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°to 150°C. and a melt flow rate [AS
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°to 150°C. and a melt flow rate [ASTM D-1238 (L)]of not more than 15 g/10 minutes and (b) 97 to 60% by weight of polyethylene having a melt flow rate [ASTM-D-1238 (E)]of at least 15 g/10 minutes, and (B) a second component comprising crystalline polypropylene having a melt flow rate [ASTM D-1238 (L)]of at least 10 g/10 min. as a main component, have a soft feel and are suitable for use as, e.g., disposable bed sheets and liners for diapers.
A soft nonwoven fabric of filaments, said filaments being composed 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°to 150°C. and a m
A soft nonwoven fabric of filaments, said filaments being composed 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°to 150°C. and a melt flow rate [ASTM D-1238 (L)]of not more than 15 g/10 minutes and (b) 97 to 60% by weight of polyethylene having a melt flow rate [ASTM D-1238 (E)]of at least 15 g/10 minutes, and (B) a second component comprising crystalline polypropylene having a melt flow rate [ASTM D-1238 (L)]of at least 10 g/10 min. as a main component.
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