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    • 3. 发明申请
    • MELT-BLOWN NON WOVEN FABRIC, PROCESS FOR PRODUCING SAME AND THE USES THEREOF
    • 熔喷摇粒绒,方法及其及其用途
    • WO1997033026A1
    • 1997-09-12
    • PCT/EP1996005686
    • 1996-12-18
    • RHONE-POULENC RHODIA AKTIENGESELLSCHAFTMAURER, GünterRUSTEMEYER, PaulTEUFEL, Eberhard
    • RHONE-POULENC RHODIA AKTIENGESELLSCHAFT
    • D04H01/56
    • D04H3/013A24D3/068A24D3/10D04H1/425D04H3/077D04H3/16Y10T428/298Y10T442/60Y10T442/607Y10T442/668Y10T442/68
    • The disclosure relates to a melt-blown non-woven fabric based on cellulose esters, with fibres of mean diameter less than about 10 mu m. The fabric in question is characterised in that it contains 0-10 wt % extractable softener, has a reflection factor (R INFINITY ) determined according to DIN 53 145 Part 1 (1992) of more than 60 % and the cellulose ester has a degree of substitution DS of about 1.5-3.0. The softener is preferably water-extractable. Triacetin is especially suitable as the softener. A melt-blown non-woven fabric of this type is produced with the cellulose ester as follows: a cellulose ester, in particular cellulose acetate, with a degree of substitution DS of about 1.5-3.0, in particular 1.7-2.7, is mixed with a softener in a weight ratio of about 2:1 to 1:4 and simultaneously heated and melted. The mixture of softener and cellulose ester has a melting index MFI (210/2.16) according to DIN 53 735 of about 400 to 5g/10 min, in particular 300 to 50 g/10 min. The melt is worked in a melt-blown spinning device into a melt-blown non-woven fabric and the softener is then extracted with a softener solvent to leave a proportion of 0-10 wt.%. The melt-blown non-woven fabric is especially suitable as a filter material.
    • 描述了纤维素酯的具有小于约10微米的平均纤维直径的纤维的基础上的熔喷非织造布。 的超过约60%,纤维素酯,这是其特征在于,它包含一个可提取增塑剂,反射系数(R INFINITY)的约0至10重量%,根据DIN 53 145第1部分(1992),具有的取代度DS的 从约1.5至3.0具有。 优选地,增塑剂是水可提取的。 三醋精是特别适合作为增塑剂。 制备时,这样的熔喷非织造织物,所述纤维素酯的纤维素酯,特别是乙酸纤维素,约1.5至3.0的取代度DS,特别是从约1.7〜2.7,与在增塑剂 1至1:约2质量比4在加热下混合,然后被转换成熔体,其特征在于,具有熔体指数MFI(210 / 2.16)的增塑剂和纤维素酯的混合物按约400至5g的根据DIN 53735/10分钟 ,尤其300至50克/ 10分钟,其处理在熔喷纺丝熔体指熔喷幅材,然后将增塑剂的约0至10%的水平按重量计为溶剂 增塑剂提取。 将所得到的熔喷非织造织物特别适合用作过滤材料。
    • 7. 发明申请
    • FILTER CIGARETTE
    • 过滤嘴卷烟
    • WO1997016986A1
    • 1997-05-15
    • PCT/EP1996004733
    • 1996-10-31
    • RHONE-POULENC RHODIA AKTIENGESELLSCHAFTTEUFEL, EberhardSEXAUER, WolfgangWILLMUND, Rolf
    • RHONE-POULENC RHODIA AKTIENGESELLSCHAFT
    • A24D03/14
    • A24D3/16A24D3/04A24D3/048A24D3/10A24D3/14
    • Disclosed is a filter cigarette whose filter a) contains fibrous filter material, b) contains an additive with antimutagenic effects on the cigarette smoke in a quantity equivalent to less than 15 wt % of the weight of fibre and c) during test smoking of an unventilated filter cigarette of this type but containing no additive, has a nicotine retention RN (in %, determined according to CORESTA, recommended method no. 9) which satisfies the following formula: RN >/= 100 * (1-D), in which D = exp (A * B + C), A being 21 mm - filter length (mm) for filter lengths 25 mm, B being 9.3 * 10 (1/mm) and C being -(d * DELTA p * K + L) with d = filter diameter (mm) wherein DELTA p = draw resistance of the filter (mmWS), K = 1.0228 * 10 (1/(mm * mmWs)) and L = 0.2334. With this filter, it has been shown with the Ames test with strain TA 98 that mutagenic substances can be filtered with a selectivity at least 10 % better than other smoke components. Also disclosed is an especially suitable process for producing such a filter cigarette.
    • 公开了一种过滤嘴香烟,其过滤器包含a)一种纤维过滤材料,b)根据所述过滤器的纤维重量具有小于15质量%的量的香烟烟雾抗突变作用的添加剂,包含,和c)在抽着类似, 然而,不含添加剂,具有不通风的过滤嘴香烟,尼古丁保留RN(以%计)(根据CORESTA决定的推荐方法的第9号),下面的公式满足:RN> / = 100 *(1-D),其中:D = EXP (A * B + C),其中A = 21毫米 - 滤波器长度(mm)对滤波器长度 25mm时,B = 9.3×10 <-3>( 1 /毫米)和C = - (D <4> * DELTA p * K + L)(其中d =过滤器直径),DELTA p =绘制过滤器(MMWG)的抗性,K = 1.0228×10 <-6> (1 /(毫米<4> *毫米WS))和L = 0.2334。 该过滤器可以通过Ames试验用菌株TA 98,作用物质具有比其它烟雾成份更好的是至少10%的选择性诱变滤波器来测量。 此外,描述了制造这样的过滤嘴香烟的一个特别合适的方法。
    • 10. 发明申请
    • FILTER OR FILTER ELEMENT FOR TOBACCO SMOKE. CIGARETTE CONTAINING SUCH A FILTER OR FILER ELEMENT AND METHOD FOR PRODUCING SUCH A FILTER OR FILTER ELEMENT
    • 过滤嘴或滤芯FOR烟草烟雾。 有了这样一种生产这种过滤嘴或滤芯过滤器或过滤元件与卷烟的方法
    • WO2007028476A3
    • 2007-07-26
    • PCT/EP2006007922
    • 2006-08-10
    • RHODIA ACETOW GMBHMAURER GUENTERTEUFEL EBERHARDRUSTEMEYER PAULSCHUETZ ECKART
    • MAURER GUENTERTEUFEL EBERHARDRUSTEMEYER PAULSCHUETZ ECKART
    • A24D3/04
    • A24D3/048A24B15/245A24D3/16A24D3/163
    • The invention relates to a filter or filter element with a substantially cylindrical filter body, which contains, in particular, at least two different additives, the additives being located in at least two zones which are arranged one after the other in the longitudinal-axial direction of the filter body and/or in at least two zones, more particularly layers, which at least in sections lie one above the other in the radial direction of the filter body. The invention also relates to a filter or filter element for tobacco smoke, comprising a substantially cylindrical filter body that can be made from a material which in its initial state is flat, more particularly endlessly curled filaments, paper, fibrous webbing, textile material, non-woven and the like, the filter body comprising at least two zones which are arranged one after the other in the longitudinal-axial direction of the filter body, a tobacco-end zone containing an additive and a mouth-end zone being free from additive. The subject matter according to the invention permits better filtering of burnt products. The invention also relates to a method which is particularly suitable for producing filters or filter elements for tobacco smoke, in which method a filter body is provided with at least two different zones, the additive being applied to a flat starting material from which the filter body is formed in substantially parallel strips and/or in layers one above the other.
    • 公开的是具有大致圆柱形的过滤体,其特别具有至少两个不同的添加剂,过滤器或过滤器元件,其中在至少两个所述添加剂在所述过滤器主体的纵向轴线方向上彼此下游区和/或至少部分地在至少两个在所述过滤器主体的径向方向上 重叠的区域,特别是层存在。 此外,本发明提供了一种用于烟草烟雾,其包括基本圆柱形的过滤器主体中的过滤器或过滤元件关乎从片材在初始状态下的材料,在特定的无端卷曲的长丝,纸,羊毛,纺织织物,无纺布和类似物,其特征在于,所述过滤器本体具有在至少两个产生 具有过滤器本体的每一个其它下游区域的长轴方向,与烟草侧区具有添加剂和嘴一边区不含添加剂。 与本发明的燃烧产物的改进的过滤成为可能。 此外,这是特别适合用于生产过滤器或烟草烟雾,提出的过滤器元件的方法,其中,过滤器主体被提供有至少两种不同的添加剂,所述添加剂被布置在平坦的起始材料用于过滤器体在基本上平行的条 和/或在层中施加在另一个。