CN101802277A - 莱塞尔纤维 - Google Patents
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Abstract
本发明涉及一种莱塞尔纤维,其含选自由珍珠粉、经研磨的珍珠母及它们的混合物组成的群组中的材料。本发明还涉及制备本发明的纤维的方法,其包括下列步骤:制备纤维素在含水氧化叔胺,优选N-甲基吗啉-N-氧化物(NMMO)中的纺丝溶液,将该纺丝溶液纺丝成纤维,其特征在于,将选自由珍珠粉、经研磨的珍珠母及它们的混合物组成的群组中的材料混入纺丝溶液和/或其前体中。
Description
本发明涉及一种莱塞尔纤维。
莱塞尔(Lyocell)类纤维通过溶剂纺丝法制备,在该方法中,该纤维素在不形成衍生物情况下直接溶于有机溶剂中,并对溶液进行纺丝。这种纤维也称为“溶剂纺丝”纤维。“莱塞尔”是BISFA(人造纤维国际标准局(The International Bureau for the Standardization of man made fibres)对纤维素纤维给出的种类名,该纤维素纤维是如此制备的,即该纤维素在不形成衍生物情况下直接溶于有机溶剂中,并由该溶液经干-湿-纺丝法或熔喷法挤出成纤维。这里有机溶剂意指由有机化学品和水组成的混合物。目前在工业规模中使用N-甲基吗啉-N-氧化物作为有机溶剂。
在该方法中,该纤维素溶液通常经模具(Formwerkzeug)挤出和成形。该成形溶液经空气间隙进入沉淀浴中,在此通过溶液的沉淀得到成型体该成型体经洗涤和任选地经其它处理步骤而干燥。用于制备莱塞尔纤维的方法例如描述于US A 4246221中。莱塞尔纤维的特征是高强度、高湿模量和高钩接强度。
已知,纤维素纤维和莱塞尔纤维可通过引入各种添加剂而改性。
与此相关,EP 1 259 264 B1中描述了含有由海洋植物或海洋动物壳制得的材料的莱塞尔纤维。作为海洋动物也可提及贝壳类。但该贝壳类的壳尤其含有全部在该壳外侧即朝向海洋一侧上所淀积的杂质。
CN 1772980 A描述了一种含珍珠粉的粘胶纤维。
CN 1450212 A中也描述了含珍珠粉的纤维。但该纤维为非纤维素合成纤维。
很早以来,珍珠粉(即经研磨的珍珠)在中药中已知是有益于健康和有益于美容的,和因此用于化妆产品中。这种材料主要由CaCO3以及由蛋白质组成。
粘胶纤维和特别是非纤维素合成纤维的制备显著不同于莱塞尔纤维的制备。特别是在粘胶法中,为了制备纺丝溶液必须使用各种对环境不利的化学品。此外,在这种类型纤维的制备方法中还涉及对珍珠粉组分有害的条件,因此降低了产率或有害于产品特性。如将珍珠粉引入非纤维素合成纤维中时导致粉末的低生物有效性,因为该粉末包封在纤维内部,并且由于这种纤维的疏水性仅可与环境有低的交换。在粘胶法中,在含H2SO4的酸性沉淀浴中进行的纤维沉淀也有害于在珍珠粉中存在的CaCO3。这也导致该所含的CaCO3的部分溶解,还预计会作为CaSO4发生部分沉淀。
各类纤维的特性也相互明显不同。
本发明的目的在于提供一种纤维,其中含有具有高生物有效性的纯珍珠材料,并且其可用对珍珠材料有尽可能保护作用的方法制备。
本发明的目的是用含选自由珍珠粉、经研磨的珍珠母及它们的混合物组成的群组中的材料的莱塞尔纤维实现的。
所以本发明的纤维含高纯的珍珠或珍珠母材料。在珍珠母和珍珠情况下其仅涉及朝向软体动物的最里层即下角层(Hypostracum)。其95%由呈文石(Aragonit)晶状的500nm厚的假六方(pseudohesagonal)碳酸钙小片组成。该小片嵌入蛋白质和甲壳质组成的有机基质中。珍珠主要由含80-95%CaCO3的珍珠母组成,其呈文石结晶状存在,可能含少量的方解石(http://de.wikipedia.org/wiki/Perle;http://de.wikipedia.org/wiki/perlmutt)。在贝壳内形成后,珍珠在避免有害环境影响的条件下生长,因此(与整个贝壳不同)其不含杂质。
该由珍珠或珍珠母制得的材料按纤维计占0.07重量%-5重量%的量。
特别优选是该材料是高细度粉末,其平均粒度为0.04-1.5μm,特别优选0.4-1.0μm。这类粉末可按牌号“Nano Pearl Powder”市购或可通过珍珠和/或珍珠母的相应研磨制备。
与制备粘胶纤维的方法不同,制备莱塞尔纤维的方法通常是基于纤维素的溶解而无事先的衍生化作用,并且能够非常环境友好地进行。
制备本发明的莱塞尔纤维的方法按已知方式包括下列步骤:
-制备纤维素在含水的氧化叔胺,优选N-甲基吗啉-N-氧化物(NMMO)中的纺丝溶液
-将该纺丝溶液纺丝成纤维,
其特征在于,将选自由珍珠粉、经研磨的珍珠母及它们的混合物组成的群组中的材料混入纺丝溶液和/或其前体中。
术语纺丝溶液的“前体”意指制备该纺丝溶液的原料和中间材料,特别是
-所用的原始-纤维素材料如纸浆(Zellstoff)
-所用的溶剂(含水氧化叔胺,下面对所有可用的氧化胺(Aminoxide)均缩写为“NMMO”)
-原始-纤维素材料与溶剂NMMO的混合物,特别是该纤维素材料在含水NMMO中的悬浮液,由该悬浮液可制备该溶液。
由珍珠和/或珍珠母制备的材料优选可按0.1重量%-5重量%(以纤维素计)混入。通常的产率损失为5-30%,特别为仅约10%。
该材料优选以粉末形式使用。该粉末的平均粒度为0.04-1.5μm,特别优选0.4-1.0μm。
在该粉末加到纺丝溶液中或其前体中之前,优选使该粉末转变为含水悬浮液形式。然后将该悬浮液混入。
本发明还涉及本发明的莱塞尔纤维在纺织品和/或非织造化妆产品中作为具有化妆作用的产品的用途。
珍珠粉被认为有软化皮肤、再生皮肤细胞、抑制黑色素合成和由此抑制老年斑形成的作用,有时还有抗氧化作用。该作用范围归因于局部施加生物可利用的必需氨基酸和微量元素。
对于作为化妆品的用途已经证实,与微米尺寸的颗粒相比,纳米范围(40-80nm)的粒度增加了Ca和氨基酸通过皮肤的吸收速度(http://www.karipearl.com/medicine.html)。
纯度和必需氨基酸、矿物质、微量元素和高的Ca-含量的特定组成使该珍珠或珍珠母对皮肤特别有价值。
在莱塞尔纤维中引入的珍珠和/或珍珠母材料可通过缓慢释放效应稳定地以小剂量在皮肤上释放出矿物质、必需的氨基酸和钙。由此可为该皮肤稳定地提供微量营养素。
实施例:
基本方法:
本发明的纤维制备可通过将0.5-5%的经研磨的珍珠粉(下面称为“纳米珍珠粉”)混入莱塞尔-纺丝物料中,并在调节通常的纺丝参数下进行纺丝而实现。已经表明,这种纺入(Einspinnen)对纺丝物料的稳定性无显著影响。
实施例1:在Davenport设备中的纺丝
纺丝物料制备:
将3重量%(按纤维素的物料计)的纳米珍珠粉按如下混入纺丝物料中:将0.78g Nano Pearl Powder(制造商:Fenix,制造商给出的粒度:40nm-80nm)悬浮于超声浴中的5ml去离子水中。
在溶液制备时,首先在约50%的含水NMMO中以已知的方式混入稳定剂(0.1%),之后加入纳米珍珠粉的浆液,并接着加入纸浆(Zellstoff)。该物料在室温和250mbar悬浮1小时,然后加热到70℃,然后以已知方式通过蒸发水制备溶液,并对该溶液继续加热一些时间。以此方式制备的溶液是光学透明的并无>3μm的颗粒。
该所制备的溶液含77%NMMO、13%纤维素、10%水、0.1%稳定剂(均按溶液的质量计)和3重量%的Nano Pearl Powder(按纤维素质量计)。
以此方式制备的纺丝物料在Davenport-纺丝设备中以已知方式在115℃通过喷丝嘴经空气间隙纺丝。所用的喷丝嘴的孔径为100μm。
该所制备的纤维经已知方法洗涤和切断。
该所制备的纤维的纤度为1.35dtex,并具有满意的强度特性。
原料(Nano Pearl Powder)和由其制备的纤维的分析数据如下:
实施例2:在小型中试装置中的纺丝
制备下列组成的纺丝溶液:
13%纸浆
10.5%H2O
76.5%NMMO
3%Nano Pearl Powder(按纤维素质量计)
此外,该纺丝物料还含有已知的稳定剂。
首先用Ultra Turrax T 50将Nano Pearl Powder分散在78%的NMMO中。然后加入纸浆、制备悬浮液并以已知方法由其制备溶液。
将该制成的溶液在120℃的纺丝温度纺丝。
所制备的纤维的纤度为1.35dtex,并具有满意的强度特性。
钙的收率衡算:
在所用的Nano Pearl Powder中有40%钙。在洗涤水中经证实的钙损失为12.7%。
Claims (8)
1.莱塞尔纤维,其含选自由珍珠粉、经研磨的珍珠母及它们的混合物组成的群组中的材料。
2.权利要求1的莱塞尔纤维,其特征在于,该材料的含量按纤维计为0.07重量%-5重量%。
3.权利要求1或2的莱塞尔纤维,其特征在于,该材料的平均粒度为0.04-1.5μm,优选0.4-1.0μm。
4.用于制备上述权利要求之一的莱塞尔纤维的方法,其包括下列步骤:
-制备纤维素在含水氧化叔胺,优选N-甲基吗啉-N-氧化物(NMMO)中的纺丝溶液
-将该纺丝溶液纺丝成纤维,
其特征在于,将选自由珍珠粉、经研磨的珍珠母及它们的混合物组成的群组中的材料混入该纺丝溶液和/或其前体中。
5.权利要求4的方法,其特征在于,该材料以0.1重量%-5重量%的量(按纤维素计)混入。
6.权利要求4或5的方法,其特征在于,该材料以平均粒度为0.04-1.5μm,优选0.4-1.0μm的粉末形式使用。
7.权利要求6的方法,其特征在于,在该粉末混入到该纺丝溶液中或其前体中之前,使该粉末转化为含水悬浮液的形式。
8.权利要求1-3之一的莱塞尔纤维在纺织品和/或非织造化妆产品中作为具有化妆作用的产品的用途。
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PCT/AT2008/000329 WO2009036481A1 (de) | 2007-09-18 | 2008-09-15 | Lyocellfaser |
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- 2008-09-15 US US12/678,610 patent/US8633120B2/en active Active
- 2008-09-15 PT PT08782856T patent/PT2191046E/pt unknown
- 2008-09-15 CN CN200880107416.6A patent/CN101802277B/zh active Active
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- 2008-09-15 ES ES08782856T patent/ES2367545T3/es active Active
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CN113227470B (zh) * | 2018-12-28 | 2022-12-13 | 连津格股份公司 | 喷丝板、加热喷丝板的方法和莱赛尔纤维方法 |
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KR101555001B1 (ko) | 2015-10-06 |
ES2367545T3 (es) | 2011-11-04 |
PT2191046E (pt) | 2011-10-04 |
AT505787B1 (de) | 2009-06-15 |
ATE518975T1 (de) | 2011-08-15 |
JP2010539345A (ja) | 2010-12-16 |
TW200932967A (en) | 2009-08-01 |
TWI482891B (zh) | 2015-05-01 |
KR20100061550A (ko) | 2010-06-07 |
US8633120B2 (en) | 2014-01-21 |
AT505787A1 (de) | 2009-04-15 |
EP2191046B1 (de) | 2011-08-03 |
US20100248572A1 (en) | 2010-09-30 |
JP5324581B2 (ja) | 2013-10-23 |
EP2191046A1 (de) | 2010-06-02 |
CN101802277B (zh) | 2015-07-29 |
WO2009036481A1 (de) | 2009-03-26 |
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