FILTERMATERIAL FÜR SEGMENTE FÜR RAUCHARTIKEL MIT REDUZIERTER KRIECHNEIGUNG

    公开(公告)号:WO2022263029A1

    公开(公告)日:2022-12-22

    申请号:PCT/EP2022/057367

    申请日:2022-03-21

    Abstract: Gezeigt wird ein Filtermaterial zur Herstellung eines Segments für einen Rauchartikel, wobei das Filtermaterial wasserstrahlverfestigt ist und mindestens 50% und höchstens 100% Cellulosefasern, jeweils bezogen auf die Masse des Filtermaterials, enthält, wobei das Filtermaterial ein Flächengewicht von mindestens 15 g/m² und höchstens 60 g/m² aufweist, wobei die Dicke einer Lage des Filtermaterials, gemessen nach ISO 534:2011, mindestens 25 µm und höchstens 400 µm beträgt, und wobei das Filtermaterial eine Kriechneigung in Dickenrichtung von höchstens 10% aufweist, wobei die Kriechneigung die relative Abnahme der Dicke von 5 Lagen des Filtermaterials, gemessen nach ISO 534:2011, innerhalb von 20 s nach Beginn der Dickenmessung ist.

    一种单向导水面膜基材及其制备方法

    公开(公告)号:WO2022062830A1

    公开(公告)日:2022-03-31

    申请号:PCT/CN2021/114913

    申请日:2021-08-27

    Abstract: 一种单向导水面膜基材,其为三层结构,上层为疏水改性涤纶纤维,中层为壳聚糖改性聚乙烯醇纤维,下层为黏胶纤维;疏水改性涤纶纤维,壳聚糖改性聚乙烯醇纤维和粘胶纤维梳理成网复合后,进行水刺加固得到,采用了三层不同材料的纤维层进行复合,得到的面膜基材具有单向垂直导水,使得面膜吸取营养精华液后,可以定向地从上至下地垂直传输营养精华液,使吸收营养液效率最大化,不浪费营养液,各个纤维层的面密度和复合时的角度,上中下三层纤维层协同作用,使得所得面膜基材总和性能优异,具有单向导水性能,优异的吸水和保水性能,还具有很好的透气性和湿度的透湿性,保证了面部肌肤对营养液的充分吸收,同时面膜质地舒适柔软。

    APERTURED NONWOVEN
    6.
    发明申请
    APERTURED NONWOVEN 审中-公开

    公开(公告)号:WO2021208008A1

    公开(公告)日:2021-10-21

    申请号:PCT/CN2020/085097

    申请日:2020-04-16

    Abstract: The present invention relates to apertured nonwovens (30) comprising a first nonwoven layer comprising cellulose-based fibers and a plurality of apertures (302), wherein the plurality apertures (302) have a minimum aperture distance between two adjacent apertures which has a relative standard deviation no greater than about 40%, as measured according to the Aperture Quality Test, and either the apertures (302) has an aperture size no greater than about 2.2mm 2 and have an occlusion no greater than about 9%, as measured according to the Aperture Quality Test, or wherein the apertures (302) have an aspect ratio no greater than about 2.5 as measured according to the Aspect Ratio Test. The present invention also relates to an apertured nonwoven (30) comprising a first nonwoven layer comprising cellulose-based fibers and a plurality of apertures (302), the apertures (302) formed by pin-hole aperturing, wherein the plurality apertures (302) have a minimum aperture distance between two adjacent apertures which have a relative standard deviation no greater than about 40%, as measured according to the Aperture Quality Test.

    밀착성이 우수한 혼섬부직포
    8.
    发明申请

    公开(公告)号:WO2020256317A1

    公开(公告)日:2020-12-24

    申请号:PCT/KR2020/007289

    申请日:2020-06-04

    Abstract: 본 발명은 10~90중량%의 폴리에스테르 단섬유 및 90~10중량%의 천연섬유가 수류교락된 스펀레이스부직포이며, 상기 폴리에스테르 단섬유는 사이드 바이 사이드 권축사 또는 폴리에스테르 탄성사 중 적어도 어느 하나로 구성된 것이고, 상기 천연섬유는 면섬유, 셀룰로오스섬유, 레이온섬유, 대나무섬유, 펄프 섬유 또는 이들의 혼합섬유 중 어느 하나로 구성된 밀착성이 우수한 혼섬부직포에 관한 것이다.

    一种二醋酸纤维素纤维薄膜及其制备方法

    公开(公告)号:WO2019232700A1

    公开(公告)日:2019-12-12

    申请号:PCT/CN2018/090024

    申请日:2018-06-05

    Inventor: 杨旭红 李冰艳

    Abstract: 本发明公开了一种二醋酸纤维素纤维薄膜及其制备方法。将二醋酸纤维素粉末溶于丙酮/水,或者丙酮/二氯甲烷的混合溶剂中制成纺丝溶液,采用静电纺丝工艺,在静电高压电场力的作用下,二醋酸纤维素纺丝溶液被牵伸为纤维,在接收器上固化形成纤维膜。本发明提供的技术方案操作简单,条件容易控制。制得的二醋酸纤维素纤维膜中纤维细,直径为微米级,纤维表面具有多孔结构,截面为扁形,纤维膜比表面积大,吸附性能优良,在生物敷料、药物缓释、组织支架等领域具有良好的应用前景。

Patent Agency Ranking