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    • 1. 发明授权
    • 부직포, 및 이것을 표피재로서 이용한 복합 흡음재
    • KR102343534B1
    • 2021-12-28
    • KR1020207017818
    • 2018-12-13
    • D04H3/153D04H3/011D04H3/016B32B5/26G10K11/168
    • 본발명은성형성이좋으며, 얇고, 경량이며, 형태안정성이우수하면서도성형후에도일정한통기범위로제어할수 있는, 복합흡음재의표피재로서적합한부직포및 적층부직포를제공한다. 본발명은, 평균섬유직경 0.3 ㎛이상 7 ㎛이하, 단위중량 1 g/㎡이상 40 g/㎡이하의적어도 1층의극세섬유층(M)과평균섬유직경 10 ㎛이상 30 ㎛이하의적어도 1층의연속장섬유층(S)이부분열압착에의해일체화된적층구조를갖는부직포로서, 상기연속장섬유층(S)이폴리에스테르(A 성분) 97.0 중량% 이상 99.9 중량% 이하와유리전이점온도 114℃이상 160℃이하의열가소성수지(B 성분) 0.1 중량% 이상 3.0 중량% 이하를함유하는장섬유및/또는복굴절률 0.04 이상 0.07 이하의장섬유로구성되고, 또한상기극세섬유층(M)의부피밀도가 0.35 g/㎤이상 0.70 g/㎤이하인것을특징으로하는부직포, 및상기부직포의적층부직포, 및상기부직포또는적층부직포와, 연속기포수지발포체또는섬유다공질재가적층되어있는복합흡음재를제공한다.
    • 7. 发明公开
    • 소프트성 및 내구성이 향상된 농업용 부직포 및 그 제조방법
    • 具有软性的非织造布和其制备方法
    • KR1020130142681A
    • 2013-12-30
    • KR1020120066093
    • 2012-06-20
    • 도레이첨단소재 주식회사
    • 김연수박서진토미오카김동욱윤제득
    • D04H3/14D04H3/011D04H3/016
    • D04H3/147A01G13/0268D01F1/106D04H3/011D04H3/016D10B2331/04D10B2401/061D10B2401/063D10B2401/22
    • The present invention relates to nonwoven fabric used as agricultural nonwoven, which has adequate softness and durability required as an agricultural sheet capable of preventing growth and development of weeds by covering soil of farmland on which crop are planted, and which uses specific material for manufacturing so as to be economically manufactured, and a method for manufacturing the same. The agricultural fabric nonwoven having enhanced softness and durability of the present invention is characterized by forming elongate fibers in a single layer or multiple layers combined through thermocompression bonding according to non-emossing or an embossing pattern by radiating polytrimethylene terephthalate having 0.8-1.2 of viscosity alone or radiating after mixing with PPT and polyethylene terephthalate (PET) having 0.6-0.8 of viscosity. The agricultural fabric nonwoven having enhanced softness and durability and the method for manufacturing the same according to the present invention use polytrimethylene terephthalate as main material, and thereby, solving the existing problems such that the present invention is a useful invention capable of more economically manufacturing nonwoven fabric suitable for agriculture wherein the fabric has adequate softness and durability required as an agricultural sheet.
    • 本发明涉及用作农业无纺布的非织造织物,其具有足够的柔软性和耐久性,作为能够通过覆盖种植农作物的农田的土壤来防止杂草生长发育所需的农用片材,并且使用特定材料制造 为了经济地制造,以及其制造方法。 具有增强的本发明柔软性和耐久性的农用织物非织造织物的特征在于,通过单独或多层通过热压接合形成细长纤维,通过不分散或压花图案通过辐射单独粘度为0.8-1.2的聚对苯二甲酸丙二醇酯 或与具有0.6-0.8粘度的PPT和聚对苯二甲酸乙二醇酯(PET)混合后辐射。 本发明的具有增强的柔软性和耐久性的农用织物非织造物及其制造方法使用聚对苯二甲酸丙二醇酯作为主要材料,从而解决了现有问题,使得本发明是能够更经济地制造非织造布的有用的发明 适用于农业的织物,其中织物具有作为农业片材所需的足够的柔软性和耐久性。