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CN1303305A - 用天然及合成聚合物加强异味吸收 - Google Patents

用天然及合成聚合物加强异味吸收 Download PDF

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Publication number
CN1303305A
CN1303305A CN99806748A CN99806748A CN1303305A CN 1303305 A CN1303305 A CN 1303305A CN 99806748 A CN99806748 A CN 99806748A CN 99806748 A CN99806748 A CN 99806748A CN 1303305 A CN1303305 A CN 1303305A
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implements
base material
improvement
foul smell
scope
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L·C·波尼
R·A·波尔德尔斯
R·C·迪罗奇奥
E·S·克普纳
A·雅希尔欧伊
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Kimberly Clark Worldwide Inc
Kimberly Clark Corp
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Priority claimed from US09/087,686 external-priority patent/US5932495A/en
Priority claimed from US09/138,157 external-priority patent/US6204208B1/en
Application filed by Kimberly Clark Worldwide Inc filed Critical Kimberly Clark Worldwide Inc
Publication of CN1303305A publication Critical patent/CN1303305A/zh
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Abstract

诸如一次性尿布及训练裤、卫生巾及棉塞、失禁用品及医用敷料之类制品的异味,可通过在合成聚合物中采用内添加剂,对天然聚合物采用外添加剂而得到减轻。通过表面活性剂的采用,特别是在合成聚合物的情况下,效果将进一步加强。纤网、纤维及薄膜可用作所述制品的成分,并能有效地吸收臭气,例如氨、三乙胺、吲哚及粪臭素这样一些通常存在于诸如汗液、月经、尿液及粪便中物质。

Description

用天然及合成聚合物加强异味吸收
                      发明背景
发明领域
本发明涉及一种放在散发臭味环境中的器物、组合物及结构以及此种组合物及结构对臭气吸收能力的加强。例子包括,诸如一次性尿布、卫生巾、失禁用品、腋下垫之类用于吸收汗液、尿液、粪便或其他身体流出物的产品用的非织造纤网及组成部分。
背景
旨在用来吸收人及动物排泄物的产品在设计上已取得相当大的成功。例如,诸如一次性尿布及训练裤、卫生巾及棉塞、失禁用品及医用敷料之类制品的结构,随着弹性件、挡液侧边(或沿口)等保持废物并防止泄漏要素的加入,而变得日趋复杂。有关这类产品中的如一次性尿布,例如可参见美国专利4,846,823,授予Enloe以及4,846,825,授予Enloe等人。然而,另一方面,正是由于上述设计的成功,导致较大数量废物截留在产品中以期减少更换频率,从而带来更加严重的挑战有待应对。加之,随着对改善产品舒适的要求导致对其透气性提出要求,控制异味就变得更具挑战性。
大多数来自体液的异味包含与生物功能有关的细菌衍生成分及降解产物。据发现,最常见的体液包含,作为主要成分的还原硫组分,例如硫化氢、二甲基二硫化物及二甲基三硫化物,乃至其他异味源,例如异戊酸。另一类组分是胺类,例如氨、三乙胺、吲哚及3一甲基吲哚(粪臭素)。
为防止此种异味生成或者为吸收已生成异味的努力常常涉及抗菌处理。已建议采用添加剂,如活性炭、沸石、金属如铜、金属氧化物、水合氧化铝、矿物质如holmite、laconite、高岭土及改性分子筛等,乃至利用酸/碱相互作用来中和各种生成异味的组分。尽管做了这些努力,目前依然需要一种不依靠复杂结构或材料改良来控制此类异味以达到所需效果的方法。
发明概述
本发明涉及如下发现:某些化合物,例如三甘油酯及聚糖苷(polyglycoside)能够提高诸如天然存在的聚合物,如聚氨基葡糖或藻酸盐,以及表面活性剂处理的合成聚合物之类的组合物及基材的异味吸收性能。所获得的器物、组合物及材料具有高得多的异味吸收效率,尤其是涉及生物废物的。在暴露于身体流出物的场合,例如在一次性尿布及训练裤、卫生巾及棉塞、失禁用品及医用敷料中,本发明用于处理非织造布以及其他结构的应用形式特别有效。例子包括,以烷基聚糖苷处理聚氨基葡糖以及将烷基聚糖苷加入到合成聚合物熔体中,以提供异味吸收与可湿性的组合。对于硫化氢、二甲基二硫化物、二甲基三硫化物、异戊酸、氨、三乙胺、吲哚及3-甲基吲哚中至少1种的原始吸收(能力)至少为约1%,尤其是至少约34%,更尤其是至少约44%的基材,由于采用了本发明,处理后基材对这些异味中至少1种的吸收能力可至少提高约50%,尤其是至少约100%,更尤其是至少约500%。
                         实施方案详述
定义
本文所使用的术语“非织造布或纤网”是指其结构系由单根纤维或丝交叉铺置构成的纤网,而它们不是像针织物或机织物中那样按照规则或可辨认方式排列的。非织造布或纤网一向采用多种方法成形,如熔喷法、纺粘法及粘合-梳理纤网法。非织造布的基重(单位面积重量)通常以每平方码材料的盎司数(osy)或每平方米的克数(gsm)表示;有用的纤维直径通常表示为μm数。(注:要从osy数值换算为gsm值,可用33.91乘上osy的数值)。本文所使用的术语“微纤维”是指平均直径不大于约75μm,如平均直径为约0.5μm~约50μm的小直径纤维,或者更具体地说,微纤维可具有约2μm~约40μm的平均直径。另一种经常使用的纤维直径表示法是旦数,其定义为每9000米纤维的克数,且可根据以μm表示的纤维直径取平方,乘上以g/cc为单位的密度,再乘上0.00707计算出来。旦数越低,表明纤维越细;旦数越高,表明纤维越粗或越重。例如,已知聚丙烯纤维直径为15μm,要换算为旦数,可取平方,乘上0.89 g/cc,再乘上0.00707。于是,15μm的聚丙烯纤维的旦数为约1.42(152×0.89×0.00707=1.415)。在美国以外,常用的度量单位是“特(tex)”,其定义是每千米纤维的克数。特数可按旦数/9来计算。
本文所使用的术语“纺粘纤维”是指一类小直径纤维,其成形方法包括将熔融热塑性材料从纺丝板的多个纤细,通常为圆形的纺丝孔中挤出为丝束,随后,挤出丝束的直径,借助例如以下文献中的方法迅速拉细:授予Appel等人的美国专利4,340,563及授予Dorschner等人的美国专利3,692,618、授予Matsuki等人的美国专利3,802,817、授予Kinney的美国专利3,338,992及3,341,394、授予Har tman的美国专利3,502,763、授予Levy的美国专利3,502,538、授予Dobo等人的美国专利3,542,615,在此均全文收入本文作为参考。纺粘纤维,当沉积到收集表面上并接受单独粘合步骤以获得整体性,例如下面所规定的热点粘合时,通常是不发粘的。纺粘纤维经过骤冷后,通常为连续状且平均直径大于7μm,尤其约10~20μm。
本文所使用的术语“聚合物”通常包括但不限于:均聚物;共聚物,如嵌段、接枝、无规及交替共聚物、三元共聚物等;以及上述的共混物及各种变换形式。而且,除非另行具体限定,术语“聚合物”应涵盖该材料所有可能的分子几何构型。这些构型包括但不限于,全同立构、间同立构及无规的对称构型。
本文所使用的术语“单组分”纤维是指仅使用一种聚合物由一台或多台挤出机制成的纤维。这意思并不排除由一种聚合物制成,但其中加入了少量添加剂以便达到着色、抗静电(性能)、润滑、亲水等效果的纤维。这些添加剂,如用于着色的二氧化钛,用量通常小于5wt%,更典型地约2wt%。
本文所使用的术语“共轭纤维”是指由至少2种聚合物经各自的挤出机挤出,但在一起纺丝形成同一根的纤维。共轭纤维有时也叫做多组分或双组分纤维。所使用的聚合物通常彼此不同,虽然共轭纤维也可以是单组分纤维。这些聚合物在共轭纤维断面上排列在各自位置基本固定、彼此界限鲜明的区内,并沿共轭纤维的全长连续地延伸。此类共轭纤维的构型(断面排列)可以是,例如皮/芯排列,其中一种聚合物被另一种聚合物包围着,或者可以是并列排列的,或者是“海-岛”排列的。共轭纤维公开在授予Kaneko等人的美国专利5,108,820、授予Strack等人的美国专利5,336,552及授予Pike等人的美国专利5,382,400中,在此均全文收作参考。就双组分纤维而言,聚合物存在的比例可以是75/25、50/50、25/75或任何其他希望的比例。
本文所使用的术语“双成分纤维”是指由至少2种聚合物从同一挤出机以共混物形式挤出形成的纤维。术语“共混物”的定义可见诸于下文。双成分纤维所包含的各种聚合物成分不是沿纤维的整个横断面面积排列在位置相对固定、彼此界限鲜明的区内,而且,各种聚合物通常也不是沿着纤维的整个长度呈连续状,而是,往往形成随机开始并随机结束的微丝(原纤)或原生原纤。双成分纤维有时也被称之为多成分纤维。这一大类纤维在例如授予Gessner的美国专利5,108,827中有所讨论。双组分及双成分纤维还在教科书《聚合物共混物及复合物》,John A.Manson及LeslieH.Sperling主编,版权1976归Plenum Press所有,Plenum出版公司(纽约)的一个分部,IBSN 0-306-30831-2,PP.273~277。
本文所使用的术语“共混物”,当指聚合物时,是指2种或更多种聚合物的混合物,而术语“合金”是指共混物的一个子类,其中各成分不溶混但经过了相容化处理。“可溶混性”及“不可溶混性”被分别定义为具有负值和正值的混合自由能。再有,“相容化”的定义是改变不可溶混聚合物共混物的界面性能以便制成一种合金的过程。
本文所使用的术语“热点粘合”涉及使由待粘合纤维构成的布料或纤网从加热轧辊与砧辊之间穿过。轧辊一般地但不总是带有用以使整个布料不是沿着全部表面粘合的花纹。结果,为功能及美观的原因,已开发出各种各样用于轧辊的花纹。一种花纹的例子包括许多点,就是HansenPennings或“H&P”图案,粘合面积为约30%,每平方英寸有约200个粘合点,正如授予Hansen和Pennings的美国专利3,855,046中所描述的,在此全文收作参考。H&P花纹具有方块形的点或针状粘合区,其中每个针的侧边尺寸为0.038英寸(0.965mm),针与针之间的间距是0.070英寸(1.778mm),粘合深度0.023英寸(0.584mm)。形成的花纹具有约29.5%的粘合面积。另一种典型的点粘合花纹是扩展型Hansen and Pennings,或“EHP”粘合图案,它能产生15%的粘合面积,其方块形针侧边尺寸为0.037英寸(0.94mm),针间距0.097英寸(2.464mm),深度是0.039英寸(0.991mm)。另一种叫做“714”的典型点粘合花纹具有方块针粘合区,其中每个针的侧边尺寸是0.023英寸,针与针的间距为0.062英寸(1.575mm),粘合深度是0.033英寸(0.838mm)。产生的花纹具有约15%的粘合面积。又一种常用花纹是C-Star花纹,其粘合面积为约16.9%。C-Star花纹带有横向条纹或“灯芯绒”花纹,间或被闪发的星形隔断。其他常见的花纹包括菱形花纹,由重复和略微偏置的菱形组成,以及波浪线花纹,看上去类似窗纱。就典型而言,粘合百分数可占非织造布层合物总面积的约10%~约30%。正如技术上熟知的,点粘合将层合物各层维系在一起并通过将每层内部的长丝和/或纤维的粘合赋予每个单层以整体性。
本文所使用的术语“个人护理制品”是指尿布、训练裤、吸收性内裤、成人失禁用品及妇女卫生制品。
本文所使用的术语“吲哚”是指普通粪便气味,通常与氨基酸衍生的色胺酸分解有关。它是一种吡咯(2,3苯并吡咯);分子式C8H7N;分子量117.14g;熔点,52℃。它可溶于热水、热乙醇、乙醚及苯中。
本文所使用的术语“粪臭素”是指另一种常见排泄物气味,其来源类似于吲哚。粪臭素实际上是吲哚的甲基化形式,亦称为“3-甲基吲哚”。分子式为C9H9N9;分子量,131.17;熔点,95℃。它可溶于热水、乙醇、苯、氯仿及乙醚。
本文所使用的术语“异戊酸”(IVA)亦称作“3-甲基丁酸”是具有腐臭的乳酪气味的化合物,通常与呕吐物相关。其分子式为C5H10O2;分子量,102.13g。它在水中具有低溶解度,可溶于乙醇、氯仿及乙醚中。
本文所使用的术语“二甲基二硫化物(DMDS)”及“二甲基三硫化物(DMTS)”是指还原的硫化合物,与氨基酸代谢有关。二甲基二硫化物的分子式和分子量分别是C3H6S2和94.20g。另一方面,二甲基三硫化物则尚难以说清楚。据信,其分子式为C3H6S3;分子量,126.2g。
本文所使用的术语“三乙胺”(TEA)是指一种氨在汽相中进行烷基化的产物的化合物。它具有强烈氨气味,并替代地被称为N,N-二乙基乙胺;分子式为C6H15N;分子量,101.19g。它稍微溶于25℃的水,并可与乙醇、乙醚及低于18.7℃的水混溶。
“氨”的分子式是H3N,一般与脲在细菌作用下分解为氨的过程相联系:
脲(尿液中)+脲酶(细菌中)>>>>>>氨它可溶于水、乙醇、甲醇、氯仿及乙醚中。人类鼻子可感知非常低浓度的氨。
本文中给出的范围意在包含任何以及所有落在其内的较小范围。例如,范围50~100,将也包括60-90、55~80,如此等等。
本文所使用的术语“基本上由…组成”并不排除不显著影响给定组合物要求特性的附加材料的存在。例子包括但不限于,颜料、填料、流动促进剂等。
本文以及权利要求中所使用的术语“包含”是一种包容性的或者开放的,不排除附加未举出的要素、组合物组分或方法步骤。
试验程序
每种聚合物例子的气味减少能力的分析都是采用如下所述标准顶空气相色谱技术进行的。
采用火焰离子化检测器(FID)分析除氨以外的所有臭气。FID对在氢-空气火焰中燃烧时产生离子的化合物做出响应。氨是无机化合物,燃烧时不容易产生离子。因此,需要用热导率检测器(TCD)来分析氨。TCD具有2个可向热敏电阻传热的通道(一个是参比(载气),另一个则包含分析柱的流出物)。热导率的差异造成一定温差,它正比于被分析物的数量。
采用2种不同的GC(气相色谱)柱。与FID配合使用的柱情况如下:
-DB-210毛细管柱
30m长
0.25mm内径
0.5μm膜厚度
用于氨以及TCD的柱情况如下:
-DB-1毛细管柱
60m长
0.32mm内径
0.5μm膜厚度
当采用GCHS(顶空气相色谱)时,压力和气体流率影响试验组分的停留时间及峰形状。对每种检测器规定为常数的变量是柱的进口压力、载气压力、载气、抽出放空流(率)、吹洗放空流、检测器温度以及注射器温度。针对每种不同臭味采用不同的柱升温程序,以期获得最佳结果。下面给出,针对每种臭味的常数以及升温程序。
FID条件:    注射器温度:105℃
检测器温度: 300℃
TCD条件:    注射器温度:105℃
检测器温度: 150℃
用于分析的升温程序:
1)TEA、DMDS及DMTS
-在50℃持续2min,然后以20℃/min升高到最高160℃
2)吲哚及粪臭素
-在50℃持续1min,然后以20℃/min升高到最高240℃,在240℃维持2 min
3)IVA
-从50℃开始以20℃/min升高到最高190℃,在190℃维持1min
4)氨
-从40℃开始以10℃/min升高到最高100℃
分析用的一般程序涉及下列各步骤,首先准备好必要材料:
-20cc样品管形瓶
-20cc螺旋盖样品管形瓶,带有橡胶隔膜
-管形瓶盖子
-涂聚四氟乙烯隔膜
-折皱器
-5μL针筒
步骤1-在20cc管形瓶中称取规定数量材料。
步骤2-将聚四氟乙烯隔膜放在盖子中,让聚四氟乙烯面朝下。
步骤3-从2cc管形瓶中将规定数量臭气抽入到针筒中。
步骤4-将臭气注入到管形瓶中,其间针尖抵住管形瓶侧壁,以免任何液体呆在针尖上。
步骤5-迅速盖上管形瓶并折皱夹紧。
步骤6-管形瓶放入到顶空样品室内,并在37℃温育至少15min。
步骤7-对管形瓶依次进行GC试验。
臭气准备
向每个测试管形瓶中注入精确规定数量的臭气。必须小心确保注入程序的可重复性。为节省时间,某些臭气按类别合在一起制备成一组原料溶液。每种化学品的原料溶液保存在2cc带有橡胶隔膜的螺旋盖管形瓶中。
DMDS、DMTS及TEA的原料溶液直接取自装有化学品的瓶子中。这3种一开始全部为液态,因此注射之前不需要对其实施任何改变。DMDS为98%纯,每次测试使用0.5μL其未稀释的液体。DMDS为98+%纯,每次测试也使用0.5μL其未稀释的液体。使用的TEA为99+%纯,每次测试使用0.5μL其未稀释液体。每种化学品(DMDS、DMTS及YEA)分别引入到同一管形瓶中。每种化学品注入到管形瓶中的数量均为0.5μL。
由于吲哚与粪臭素也是同时进行试验的,故而将吲哚与粪臭素原料溶液配制在一起,成为一种20%吲哚和20%粪臭素的二氯甲烷溶液。这2种化合物的自然状态均为固体。所使用的吲哚为99+%纯,所使用的粪臭素为98%纯。该溶液按1μL的数量注入到每个测试管形瓶中。此时,管形瓶不立即盖上和折皱夹紧。让管形瓶敞口1.5~2min,以便使某些溶剂二氯甲烷蒸发出去,因为GC分析期间溶剂会与实际待测组分竞争。
IVA则单独进行试验。原料溶液直接取自装有该化学品的瓶子。一开始它处于液态,因此注入前不需要对其进行任何改变。该未稀释的99%纯化学品按0.5μL的数量注入到每个测试管形瓶中。
氨气也是单独试验,不过实际注入到样品管形瓶中的是氢氧化铵。氢氧化铵以液态形式并按30%纯的形式注入到样品管形瓶中。它经过反应,生成氨和水。为保证氨在测试管形瓶中的存在,样品是在质谱仪中测试的。测试使用的数量为2μL氢氧化铵溶液。
对照数据是这样获得到:仅装有规定数量存在的原料溶液的管形瓶在GC中进行测试。所获得的这些数据随后与还装有吸收剂的管形瓶数据进行比较,从而找出百分率差异。
实施例
下面,将通过若干实施例说明本发明。正如本领域技术人员所知道的,本发明不限于所提供的实施例,而是可更广地应用于所附权利要求规定的范围。
这些实施例将展示各种类别聚合物及吸收剂,包括合成聚合物,例如聚烯烃,以及天然聚合物,例如聚氨基葡糖、甲壳质、纤维素及藻酸盐。表面活性剂类别包括烷基聚糖苷以及蓖麻油衍生物(例如乙氧基化蓖麻油)与脱水山梨醇烷基酯(例如脱水山梨醇一油酸酯)的混合物。正如实施例所证明的,不存在表面活性剂时,异味仍可被吸收,而这一效果在加入表面活性剂之后将得到改善。在例如聚氨基葡糖的情况下,对异戊酸、二甲基二硫化物及二甲基三硫化物的吸收能力明显高于未处理的对照样。
对比例1
本实例将作为以后的其他实例的基准。
在本实例中,商品名Sorb-A-Odor的活性炭称重并加入到20mL GC分析用试验管形瓶中。活性炭称重之后,再引入已知浓度挥发分,在引入挥发分之后立即密封管形瓶。将管形瓶引入到顶空间中,并维持在37℃。保温约15min之后,将样品上方空间(气体)注入到GC中以分析剩余挥发分。
称取的活性炭样品平均为10.5mg,并暴露于各种挥发性化合物中。在每种情况下可确定以相对于原始浓度的a%表示的挥发分吸收量。在20mL管形瓶中加入的挥发分原始量如下:0.4685 mg异戊酸、0.52mg二甲基二硫化物、0.5mg二甲基三硫化物、0.7mg三乙胺、1mg吲哚及1mg粪臭素。挥发分在至少1式三份样品上的吸收结果,按被吸收%表示分别如下:99.8%,异戊酸;99.4%,二甲基二硫化物;100%,二甲基三硫化物;100%三乙胺;71%,吲哚;以及18.5%,粪臭素。
对比例2
在对比例1中规定的条件下,Absents,一种市售分子筛,由UOP工业公司生产、Gordon实验室(upper Darby,PA)总经销,暴露于上面所列举的所有挥发分并以各种不同重量引入,结果如下:15mg(引入量),吸收99.8%异戊酸;40mg,吸收99.7%二甲基二硫化物及99.9%二甲基三硫化物及100%三乙胺;以及15mg,吸收68%吲哚及32%粪臭素。
对比例3
同样在对比例1中规定的条件下,Arm and HammeBaking Soda(小苏打)(商店购买)按引入量15mg,吸收98.2%异戊酸;150mg,吸收8%二甲基二硫化物、10%二甲基三硫化物、0%三乙胺、1%吲哚及1%粪臭素。
对比例4
甲壳质(VNS-647),由Vanson工业公司(Redmond,WA)直接获得鳞片状材料,接受同样挥发分的处理,结果如下:10mg,吸收92.5%异戊酸、0%二甲基二硫化物、45%二甲基三硫化物、24%三乙胺、77%吲哚及60%粪臭素。
对比例5
聚氨基葡糖,即甲壳质的脱乙酰形式,作为天然材料研究其促进减轻异味的作用。制备聚氨基葡糖(商品名RNS-022,由Vanson提供)薄膜:将聚合物溶解在2%乙酸中并采用刮刀流延成膜。10mg聚氨基葡糖乙酸酯能够吸收平均60%异戊酸、1%二甲基二硫化物、8%二甲基三硫化物、44%三乙胺、90%吲哚及67%粪臭素。
实例5A
以0.5 wt%Glucopon 220UP烷基聚糖苷(汉高公司出品)处理的聚氨基葡糖,按照类似于对比例5中所描述的方法成形为薄膜。10mg该薄膜能够吸收,平均97%异戊酸、18%二甲基二硫化物、36%二甲基三硫化物、34%三乙胺、84%吲哚及58%粪臭素。
实例5A与对比例5之间的比较说明,烷基聚糖苷能使聚氨基葡糖吸收异戊酸的能力提高61%;吸收二甲基二硫化物,提高1800%;二甲基三硫化物,提高450%。
实例6
通过加入1wt%Glucopon处理过的聚氨基葡糖,也按照类似于对比例5中所描述的方法成形为薄膜。10mg该薄膜能够吸收,平均99%异戊酸、6%二甲基二硫化物、46%二甲基三硫化物、54%三乙胺、92%吲哚及74%粪臭素。
实例6与对比例5之间的比较说明,烷基聚糖苷能使聚氨基葡糖吸收异戊酸的能力提高65%;二甲基二硫化物,提高600%;二甲基三硫化物,575%。
对比例7
制备带有或不带添加剂的藻酸钙纤维束:藻酸钠湿法纺丝到C4Cl2溶液中,成形后的纤维经过热处理。然后对其进行异味吸收试验研究。丝束样品切断为10mg的样品数量,然后接受与对比例1中所描述的相同挥发分处理。接受试验的藻酸钙纤维束的样品分别被指定为下面的样品A、B、C及D:
样品A:藻酸钙(无添加剂),对照例
样品B:藻酸钙,带有8%Absents(对比例2中所描述的Absents)
样品C:藻酸钙,带有4%活性炭(与对比例1中相同的活性炭)
样品D:藻酸钙,含有2%聚氨基葡糖(与对比例5中所用相同的聚氨基葡糖)
下表给出该藻酸钙纤维的吸收特性。
                  表格%,吸收的挥发分
  样品   IVA   TEA   DMDS   DMTS   吲哚   粪臭素   氨
    ABCD     95979899     65833880     137028     2645044     82848786     25464043   100969498
其中
IVA=异戊酸
TEA=三乙胺
DMDS=二甲基二硫化物
DMTS=二甲基三硫化物
据信,上述藻酸钙实施例也将因与烷基聚糖苷的组合使用而受益。如前面所示,烷基聚糖苷的有效用量随着其他异味吸收组分乃至要吸收的异味性质而有很大变化。通常,有用的用量,以异味吸收组分总重量为基准将介于痕量到50%,而超过50%的用量也是有用的,不过成本效益将降低。在许多情况下,最高约10%的用量具有较好的成本效益。如同对比例7所示,其他异味吸收组分可能占到整个结构的基本上100%,此时,可采用较低百分率的烷基聚糖苷。其他基材,例如单组分、多组分以及多成分非织造布也可进行此种处理,其效果的显著程度随着聚合物、处理剂以及要吸收的异味而有所不同。
正如上面所展示的,本发明可显著改善通过对臭味的吸收达到的异味减轻效果。显然,本发明适用于许多变换和替代方案,可用于范围宽广的产品,包括被例如身体流出物沾污的产品。其他替代及修改以及变换方案,在本领域技术人员研读了上述描述之后将一目了然。本发明的意图在于,所有这些替代、修改及变换方案及其等效物均应包括在所附权利要求之内。就此而论,此种等效物既包括功能的也包括结构及组成的等效物。例如,螺丝钉与钉子就其固定材料而言是功能等效物,尽管它们可能具有不同的结构。

Claims (20)

1减轻臭味的器物,它包含,
一种基材,以及
所述基材表面或内部包含的组合物,
所述组合物包含三甘油酯和/或聚糖苷,以及
其中所述基材和/或所述组合物
包含天然存在的聚合物或合成聚合物,它们在没有所述三甘油酯和/或聚糖苷的情况下也具有异味减轻性能,然而通过与所述三甘油酯和/或聚糖苷的组合使用此种作用可得到改善。
2.权利要求1的器物,其中所述基材选自聚氨基葡糖及藻酸盐,而所述组合物包含烷基聚糖苷。
3.权利要求2的器物,其中所述基材包含聚氨基葡糖。
4.权利要求2的器物,其中所述基材包含藻酸盐。
5.权利要求1的器物,其中所述基材采取非织造纤网形式。
6.权利要求1的器物,其中所述改善在至少约50%的范围。
7.权利要求6的器物,其中所述改善在至少约100%的范围。
8.权利要求7的器物,其中所述改善在至少约500%的范围。
9.权利要求1的器物,其中所述基材选自聚氨基葡糖及藻酸盐,而所述组合物包含三甘油酯。
10.权利要求9的器物,其中所述基材包含聚氨基葡糖。
11.权利要求9的器物,其中所述基材包含藻酸盐。
12.权利要求2的器物,其中所述基材采取非织造纤网形式。
13.权利要求9的器物,其中所述基材采取非织造纤网形式。
14.权利要求9的器物,其中所述改善在至少约50%的范围。
15.权利要求14的器物,其中所述改善在至少约100%的范围。
16.权利要求15的器物,其中所述改善在至少约500%的范围。
17.一种暴露于产生臭气的身体流出物的器物,所述臭气选自吲哚、粪臭素、异戊酸、二甲基二硫化物、二甲基三硫化物、三乙胺及氨,所述器物包含具有吸收所述臭气的原始能力的基材,所述基材包含天然存在的聚合物和三甘油酯或聚糖苷,其中所述器物对所述臭气的吸收能力与所述原始能力相比有所改善。
18.权利要求17的器物,它采取个人护理制品的形式。
19.权利要求17的器物,其中所述臭气包括异戊酸,且所述改善超过50%。
20.权利要求17的器物,其中所述臭气选自二甲基三硫化物及二甲基二硫化物,且所述改善超过100%。
CN99806748A 1998-05-29 1999-05-28 用天然及合成聚合物加强异味吸收 Pending CN1303305A (zh)

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