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公开(公告)号：KR20200126371A
公开(公告)日：2020-11-06
申请号：KR20207024480
申请日：2019-02-22
Applicant: TORAY INDUSTRIES
Inventor： SHIMADA DAIKI , NAKANO YOHEI , HANE RYOICHI
Abstract: 본발명은평균단섬유직경이세경이면서방사성이양호하여생산성이높은폴리올레핀계섬유를포함하고, 텍스쳐가균일하며, 표면이매끄러워서질감이나촉감이우수하고, 또한높은유연성을갖는스펀본드부직포를제공한다. 본발명은폴리올레핀계수지를포함하는섬유에의해구성된스펀본드부직포이며, 상기한섬유의평균단섬유직경이 6.5 내지 11.9㎛이고, 반사광휘도에의한섬유분산도가 10 이하이며, 또한적어도편면의 KES법에의한표면조도 SMD가 1.0 내지 2.6㎛인스펀본드부직포에관한것이다.
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公开(公告)号：ES2757304T3
公开(公告)日：2020-04-28
申请号：ES15836602
申请日：2015-08-21
Applicant: TORAY INDUSTRIES
Inventor： SHIMADA DAIKI , NAKANO YOUHEI , YAKAKE YOSHIKAZU , KOBAYASHI TAKUJI
Abstract: Un material textil no tejido soplado en estado fundido que comprende una fibra que contiene una resina termoplástica como su componente principal, en donde la densidad aparente, medida como se describe en la memoria descriptiva, es de 0,1 a 0,4 g/cm3 y la rugosidad superficial KES de al menos una superficie de la lámina de material textil, medida como se describe en la memoria descriptiva, es de hasta 1,2 μm.
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公开(公告)号：EP3187637A4
公开(公告)日：2018-02-07
申请号：EP15836602
申请日：2015-08-21
Applicant: TORAY INDUSTRIES
Inventor： SHIMADA DAIKI , NAKANO YOUHEI , YAKAKE YOSHIKAZU , KOBAYASHI TAKUJI
Abstract: The present invention provides a melt-blown nonwoven fabric which exhibits good texture with no waviness or surface unevenness as well as high thermal size stability without undergoing drastic decrease in the gas flow rate in heat treatment. The melt-blown nonwoven fabric of the present invention comprises a fiber containing a thermoplastic resin as its main component, wherein apparent density is 0.1 to 0.4 g/cm 3 , KES surface roughness of at least one surface of the fabric sheet is up to 1.2 µm, and dry heat shrinkage at a temperature of 200°C is up to 2%. The method for producing a melt-blown nonwoven fabric of the present invention comprises the step of conveying a web of nonwoven fabric comprising a fiber containing a thermoplastic resin as its main component by sandwiching the web between 2 sets of belt conveyers each comprising a belt of flexible material having a smooth surface; wherein a heat treatment zone where surface of one or both of the two sets of the belt conveyers has been heated to a temperature not lower than cold crystallization temperature of the thermoplastic resin and not higher than the temperature -3°C lower than melting temperature of the thermoplastic resin is provided in at least a part of the course where the nonwoven fabric is conveyed between the belts; and wherein the nonwoven fabric web is heated in the heat treatment zone by bringing both surfaces of the nonwoven fabric web in contact with the belt conveyers.
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