CN101534872A - 包括有机锌盐和抗菌剂或碱金属氯化物或碱土金属氯化物的吸收性物品 - Google Patents
包括有机锌盐和抗菌剂或碱金属氯化物或碱土金属氯化物的吸收性物品 Download PDFInfo
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- CN101534872A CN101534872A CN200680056403A CN200680056403A CN101534872A CN 101534872 A CN101534872 A CN 101534872A CN 200680056403 A CN200680056403 A CN 200680056403A CN 200680056403 A CN200680056403 A CN 200680056403A CN 101534872 A CN101534872 A CN 101534872A
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- China
- Prior art keywords
- acid
- absorbent
- absorbent commodity
- zinc salt
- antibacterial
- Prior art date
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- 239000002250 absorbent Substances 0.000 title claims abstract description 136
- 230000002745 absorbent Effects 0.000 title claims abstract description 135
- 150000003751 zinc Chemical class 0.000 title claims abstract description 51
- 229910001514 alkali metal chloride Inorganic materials 0.000 title claims abstract description 21
- 229910001617 alkaline earth metal chloride Inorganic materials 0.000 title claims abstract description 16
- 239000003242 anti bacterial agent Substances 0.000 title abstract description 3
- 230000000844 anti-bacterial effect Effects 0.000 claims abstract description 57
- 150000001340 alkali metals Chemical class 0.000 claims abstract description 9
- 206010021639 Incontinence Diseases 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 53
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 36
- 239000011701 zinc Substances 0.000 claims description 36
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 34
- 229910052725 zinc Inorganic materials 0.000 claims description 33
- 239000000243 solution Substances 0.000 claims description 32
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 25
- 239000002253 acid Substances 0.000 claims description 21
- 239000000835 fiber Substances 0.000 claims description 21
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 18
- 239000011780 sodium chloride Substances 0.000 claims description 18
- 239000005711 Benzoic acid Substances 0.000 claims description 14
- 235000010233 benzoic acid Nutrition 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 12
- 150000003839 salts Chemical class 0.000 claims description 11
- 210000002700 urine Anatomy 0.000 claims description 11
- 229920002678 cellulose Polymers 0.000 claims description 9
- 239000001913 cellulose Substances 0.000 claims description 9
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- 235000010199 sorbic acid Nutrition 0.000 claims description 7
- 239000004334 sorbic acid Substances 0.000 claims description 7
- 235000015165 citric acid Nutrition 0.000 claims description 6
- BEFDCLMNVWHSGT-UHFFFAOYSA-N ethenylcyclopentane Chemical compound C=CC1CCCC1 BEFDCLMNVWHSGT-UHFFFAOYSA-N 0.000 claims description 6
- 150000007524 organic acids Chemical class 0.000 claims description 6
- 229940075582 sorbic acid Drugs 0.000 claims description 6
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 5
- 229930195729 fatty acid Natural products 0.000 claims description 5
- 239000000194 fatty acid Substances 0.000 claims description 5
- 150000004665 fatty acids Chemical class 0.000 claims description 5
- 230000000640 hydroxylating effect Effects 0.000 claims description 4
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 claims description 3
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 claims description 3
- 239000011975 tartaric acid Substances 0.000 claims description 3
- 235000002906 tartaric acid Nutrition 0.000 claims description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims 5
- 150000001735 carboxylic acids Chemical class 0.000 claims 3
- 239000012466 permeate Substances 0.000 claims 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 32
- 229910021529 ammonia Inorganic materials 0.000 abstract description 16
- 230000001629 suppression Effects 0.000 abstract 1
- 230000002195 synergetic effect Effects 0.000 abstract 1
- GAWWVVGZMLGEIW-GNNYBVKZSA-L zinc ricinoleate Chemical compound [Zn+2].CCCCCC[C@@H](O)C\C=C/CCCCCCCC([O-])=O.CCCCCC[C@@H](O)C\C=C/CCCCCCCC([O-])=O GAWWVVGZMLGEIW-GNNYBVKZSA-L 0.000 abstract 1
- 229940100530 zinc ricinoleate Drugs 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 26
- 238000000034 method Methods 0.000 description 19
- 229920000247 superabsorbent polymer Polymers 0.000 description 17
- -1 anionic zinc salt Chemical class 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 229920000642 polymer Polymers 0.000 description 10
- 238000012360 testing method Methods 0.000 description 9
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 8
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- 238000002360 preparation method Methods 0.000 description 7
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 7
- 239000007921 spray Substances 0.000 description 7
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
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- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 4
- 229910052783 alkali metal Inorganic materials 0.000 description 4
- 150000001447 alkali salts Chemical class 0.000 description 4
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 4
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- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 3
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- CERQOIWHTDAKMF-UHFFFAOYSA-N alpha-methacrylic acid Natural products CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 3
- 150000001413 amino acids Chemical class 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 3
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- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 3
- 239000011888 foil Substances 0.000 description 3
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- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- NCXMLFZGDNKEPB-FFPOYIOWSA-N natamycin Chemical compound O[C@H]1[C@@H](N)[C@H](O)[C@@H](C)O[C@H]1O[C@H]1/C=C/C=C/C=C/C=C/C[C@@H](C)OC(=O)/C=C/[C@H]2O[C@@H]2C[C@H](O)C[C@](O)(C[C@H](O)[C@H]2C(O)=O)O[C@H]2C1 NCXMLFZGDNKEPB-FFPOYIOWSA-N 0.000 description 3
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- DTOUUUZOYKYHEP-UHFFFAOYSA-N 1,3-bis(2-ethylhexyl)-5-methyl-1,3-diazinan-5-amine Chemical compound CCCCC(CC)CN1CN(CC(CC)CCCC)CC(C)(N)C1 DTOUUUZOYKYHEP-UHFFFAOYSA-N 0.000 description 2
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- NALMPLUMOWIVJC-UHFFFAOYSA-N n,n,4-trimethylbenzeneamine oxide Chemical compound CC1=CC=C([N+](C)(C)[O-])C=C1 NALMPLUMOWIVJC-UHFFFAOYSA-N 0.000 description 1
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- 239000011591 potassium Substances 0.000 description 1
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- RWPGFSMJFRPDDP-UHFFFAOYSA-L potassium metabisulfite Chemical compound [K+].[K+].[O-]S(=O)S([O-])(=O)=O RWPGFSMJFRPDDP-UHFFFAOYSA-L 0.000 description 1
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- 239000004404 sodium propyl p-hydroxybenzoate Substances 0.000 description 1
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- XNRNJIIJLOFJEK-UHFFFAOYSA-N sodium;1-oxidopyridine-2-thione Chemical compound [Na+].[O-]N1C=CC=CC1=S XNRNJIIJLOFJEK-UHFFFAOYSA-N 0.000 description 1
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- RTKIYNMVFMVABJ-UHFFFAOYSA-L thimerosal Chemical compound [Na+].CC[Hg]SC1=CC=CC=C1C([O-])=O RTKIYNMVFMVABJ-UHFFFAOYSA-L 0.000 description 1
- 229940033663 thimerosal Drugs 0.000 description 1
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- ICUTUKXCWQYESQ-UHFFFAOYSA-N triclocarban Chemical compound C1=CC(Cl)=CC=C1NC(=O)NC1=CC=C(Cl)C(Cl)=C1 ICUTUKXCWQYESQ-UHFFFAOYSA-N 0.000 description 1
- 229960003500 triclosan Drugs 0.000 description 1
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- 238000009941 weaving Methods 0.000 description 1
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- 235000016804 zinc Nutrition 0.000 description 1
- DJWUNCQRNNEAKC-UHFFFAOYSA-L zinc acetate Chemical class [Zn+2].CC([O-])=O.CC([O-])=O DJWUNCQRNNEAKC-UHFFFAOYSA-L 0.000 description 1
- 229940006486 zinc cation Drugs 0.000 description 1
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- 239000011670 zinc gluconate Substances 0.000 description 1
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- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
- MXODCLTZTIFYDV-JHZYRPMRSA-L zinc;(1r,4ar,4br,10ar)-1,4a-dimethyl-7-propan-2-yl-2,3,4,4b,5,6,10,10a-octahydrophenanthrene-1-carboxylate Chemical compound [Zn+2].C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C([O-])=O.C([C@@H]12)CC(C(C)C)=CC1=CC[C@@H]1[C@]2(C)CCC[C@@]1(C)C([O-])=O MXODCLTZTIFYDV-JHZYRPMRSA-L 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- A—HUMAN NECESSITIES
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Abstract
本发明涉及吸收性物品,例如尿布、尿裤、卫生巾或失禁用装置,所述吸收性物品包括表层材、底层材和包在所述表层材与所述底层材之间的吸收芯,其中,所述吸收芯包括抗菌剂或者碱金属或碱土金属氯化物与有机锌盐的组合,特别是蓖麻油酸锌。所述抗菌剂或碱(土)金属氯化物和有机锌盐的组合在抑制臭味例如氨时发挥出协同效应。
Description
技术领域
本发明涉及吸收性物品,例如尿布(diaper)、尿裤(panty diaper)、卫生巾或失禁用装置,所述吸收性物品包括有效的臭味控制系统。本发明特别是涉及这样的吸收性物品,其中,有机锌盐例如蓖麻油酸锌,与抗菌剂或碱金属氯化物或碱土金属氯化物相互反应以减少恶臭味例如氨。
背景技术
上述类型吸收性物品领域的一个重要开发领域是控制臭味化合物,典型地,在排出体液之后,特别是较长时间之后,形成所述臭味化合物。这些化合物包括脂肪酸、氨、胺、含硫化合物、以及酮和醛。它们作为体液的固有成分存在,或因为固有成分例如尿素的降解作用而形成,通常,在尿路细菌中出现的微生物的作用下发生所述降解作用。
有许多种抑制在吸收性物品中形成令人不愉快气味的方法。WO97/46188、WO 97/46190、WO 97/46192、WO 97/46193、WO 97/46195和WO97/46196教导了例如加入臭味抑制添加剂或除臭剂例如沸石和硅石。但是,一旦沸石吸收的水达到饱和,对体液的吸收就会降低沸石抑制臭味的能力,例如在WO 98/17239中提到的。
另一种方法涉及为了在产品中抑制形成难闻气味的细菌而加入乳酸杆菌。例如在SE 9703669-3、SE 9502588-8、WO 92/13577、SE 9801951-6和SE 9804390-4中公开了添加乳酸杆菌及其有益效果。
另一种方法是采用部分中和的超吸收材料(酸性超吸收材料)(参见WO98/57677、WO 00/35503和WO 00/35505)。
因此,本领域一直需要在吸收性物品中的有效的控制臭味系统。特别地,希望提供这样的控制臭味系统,其能够有效降低臭味,同时保持泌尿系统中的细菌菌群。
US 2006/0036223和US 2006/0036222公开了吸收性物品,所述吸收性物品包括身体排出物改性剂、皮肤护理制品,和身体排出物改性剂中和剂。后者可以是酶抑制剂,其可选自许多化合物,包括饱和与不饱和单羧酸的锌盐。任选地,皮肤护理制品包括其它成分,所述其它成分选自防腐剂、抗微生物活性物和抗真菌活性物等。US2006/003622和US 2006/0036222的目的是降低身体排出物的粘度,从而促进排出物在吸收性物品中的吸收。没有提及减少臭味。
EP-A-165 074描述了一种亲水聚合物材料,例如用于制备卫生巾和尿布的亲水聚合物材料。可以通过一种方法来制备亲水聚合物材料,在所述方法中,将特定水凝胶干燥并且可以使其与水溶液接触。除电解质、营养物、生理活性多肽和蛋白质之外,水溶液也可以包含抗菌剂。此外,可以将锌离子,例如以硫酸锌或酸性氨基酸的盐的形式,加入到水凝胶中。描述了锌离子对细胞生长具有有益效果。在该文献中没有体积减少臭味。
EP-A-O 366 869的抑菌、杀菌和抗真菌组合物包括溶菌酶、无机组分和免疫调节剂。描述了无机组分可以增强溶菌酶的杀分支杆菌的效果,所述无机组分可以包括锌和/或碘(权利要求5)。可以以硫酸锌、氧化锌、葡糖酸锌、和锌的其它盐和化合物的形式来提供锌。组合物中包含的免疫调节剂可以选自苯甲酸等。
US 5,721,295和US 5,847,031涉及吸收性聚合物组合物,其包含离子型或共价型交联剂。离子型交联剂可以是选自水溶性镁、钙、铝、锆、铁和锌化合物的金属化合物(参见D8a的权利要求6和21,和D8b的权利要求6和19)。锌化合物可以是无机酸或羧酸的盐。在该文献中提到了非常多的合适的共价交联剂,例如柠檬酸等。US 5,721,295和US 5,847,031进一步描述了包含活性物质的组合物,其包含吸收性聚合物组合物和至少一种活性物质,所述活性物质可选自药物、杀虫剂、杀菌剂和香料。该文献主要关注生物降解能力,没有提及减少臭味。
US 6,015,547涉及一种锌离子的水溶液或水/醇溶液,所述溶液储存时是透明稳定的,在所述溶液中存在至少一种碳酸氢盐和碳酸盐离子。溶液包含第一阴离子的锌盐。任选地,溶液可以包含抗菌剂。该专利的要点在于将含锌离子的化合物与碳酸氢盐和/或含碳酸盐离子的化合物组合,所述化合物均为溶液形式,也就是说,不会释放出二氧化碳,也不会形成不溶性的锌的碱性盐和碳酸盐。
根据US 6,153,209,向皮肤提供皮肤护理组合物的物品可以包括皮肤护理剂,所述皮肤护理剂可以许多种化合物,例如乙酸锌。在列出许多其它成分时,提及了抗菌活性物。然而,该文献没有公开通过采用有机锌盐例如乙酸锌与防腐剂的组合来减少臭味的任何效果。
US 7,005,557、US 2003/0077307和US 2006/0064068涉及物品,特别是一次性吸收性物品,其含有成膜组合物,所述成膜组合物包括粘度增强剂,和任选存在的抗微生物剂(选自许多种化合物)。这些文献提供许多种粘度增强剂,包括铝、镁或锌与硬脂酸酯、山嵛酸酯、棕榈酸酯或月桂酸酯的金属酯复合物。这些文献的目的不是减少臭味,而是形成对流体、身体排出物和其它刺激性物质的保护屏障。
在US 2004/0213892中,高度可膨胀的吸收介质包括至少一种Lewis酸作为涂布剂。提供了许多合适的Lewis酸,例如苯甲酸、柠檬酸和锌的水溶性乙酸盐、甲酸盐、草酸盐或乳酸盐等。然而,该文献没有公开防腐剂与有机锌盐组合。此外,US 2004/0213892的目的是减小在潮湿环境中和/或在高温下的结块倾向,但是没有提及减少臭味。
US 2005/0101927涉及可以用在吸收性产品上的增湿和润滑组合物。吸收性产品包括固定剂。描述了作为合适的固定剂的许多化合物,包括硬脂酸锌。关注了任选添加防腐剂,但是没有提及减少臭味。
WO 99/00090涉及一种排泄物处理装置,其包括一种特定的袋子,所述袋子包括湿气可透过的壁材料。根据具体实施方式,壁材料还包括臭味控制剂。列举了许多臭味控制剂,例如蓖麻油酸锌等,以及作为不同类型的臭味控制剂的抗微生物剂,例如苯甲酸和山梨酸。然而,WO 99/00090没有公开将防腐剂与有机锌盐组合来减少难闻气味。特别地,没有提及蓖麻油酸锌作为氨吸收剂的作用。
WO 99/30753涉及用在吸收性物品中的臭味控制颗粒。臭味控制颗粒包括有效量的液体活性颗粒分离手段。这些分离手段有两种,即使物理手段和化学手段。作为物理分离手段给出了氯化钠(NaCl)。作为化学分离手段列举了柠檬酸。用作吸收性颗粒的臭味控制颗粒包括臭味控制活性材料,例如锌阳离子等。提及了任何其它已知的臭味控制活性物对于对抗臭味是同样合适的。在WO 99/30753中没有提及有机锌盐。
DE 10256569 A1涉及吸水性的、交联的并且包含酸基团的聚合物,所述聚合物主要是开孔泡沫的形式,所述聚合物包括至少一种臭味控制剂,所述臭味控制机选自具有酸酐基团的化合物、具有酸性基团的化合物,环右旋糖苷(cyclodextrane)、杀菌剂和HLB值小于12的表面活性剂。杀菌化合物的一个例子是锌化合物例如锌氯化物。然而,在该文献中没有提及有机锌盐。
从其它技术领域还已知不饱和羟基化脂肪酸的有机锌盐,例如蓖麻油酸锌,是除臭活性成分(见例如DE-A-1792074、DE-A-2548344和DE-A-3808114)。
从以上可知,现有技术没有意识到将抗菌剂或碱金属氯化物与有机锌盐组合使用的有益效果,特别是协同效应。
本发明的一个技术目的是克服上面讨论的现有技术中存在的缺陷。
另一个技术目的是提供一种吸收性物品,其具有有效的臭味控制系统.
本发明的再一个技术目的是大大减少或消除在吸收性物品中形成氨。
从本发明以下的描述可以清楚地知道本发明的其它目的。
发明内容
本发明涉及吸收性物品,例如尿布、尿裤、内裤衬垫(panty liner)、卫生巾或失禁用装置,所述吸收性物品包括表层材、底层材和包在所述表层材与所述底层材之间的吸收芯,其中,所述吸收芯包括(i)抗菌剂,或者至少一种碱金属或碱土金属氯化物,所述至少一种碱金属或碱土金属氯化物的量为至少0.01g/g所述吸收芯,和(ii)有机锌盐。
本发明的发明者已经发现抗菌剂与有机锌盐如蓖麻油酸锌相互反应,有利地抑制了令人不愉快的气味。
对碱金属或碱土金属氯化物例如NaCl也进行了相同的观察。尽管这些氯化物一般不称作"抗菌剂",但是当以较高浓度采用时,它们可以控制细菌生长。
不希望被理论束缚,假定对本发明减少臭味的机理的解释如下。发现在吸收性产品中,例如在失禁用产品中产生难闻气味的氨以如下方式形成:
细菌+尿素—>NH3
在本发明中,抗菌剂例如苯甲酸,或碱金属氯化物具有抑制细菌生长的作用,而有机锌盐,例如蓖麻油酸锌将实际形成的氨(NH3)除去。
本发明的目的是开发吸收性物品,其中,在使用过程中,不希望的细菌,例如产生氨的细菌的量不增加。
具体实施方式
在整个说明书和权利要求书中,采用"包括"意指也涵盖"基本上由……构成"和"由……构成"这些限制性更强的意思。
对于"吸收性物品",理解为物品能够吸收体液例如尿、水状排泄物(watery feces)、女性分泌物或月经流体。这些吸收性物品包括,但不限于尿布、尿裤、内裤衬垫、卫生巾或失禁用装置(例如成年人用的)。
这些吸收性物品具有液体可渗透的表层材,在使用过程中,所述表层材与穿用者的身体接触。它们还包括(优选液体-不渗透的)底层材,例如塑料膜、涂布有塑料的无纺布、或疏水性无纺布,和包在液体可渗透表层材与底层材之间的吸收芯。
合适的表层材可以由许多种材料来制备,例如纺织材料和无纺布材料(例如纤维的无纺布纤维网(纤维网)),聚合材料例如有孔的塑料膜,例如有孔的成型的(apertured formed)热塑性膜和液压成型的热塑性膜;多孔泡沫;网状泡沫;网状热塑性膜;和热塑性粗孔织品(scrim)。合适的纺织材料和无纺布材料可以由以下物质组成:天然纤维(例如木材或棉花纤维)、合成纤维(例如聚合纤维例如聚酯、聚丙烯或聚乙烯纤维)、或天然纤维与合成纤维的组合。当表层材包括无纺布纤维网时,可以通过许多种已知技术来制备纤维网。例如,纤维网可以是纺丝黏合的、粗梳的(carded)、湿法成网的(wet-laid),熔喷的、水刺的(hydroentangled)或这些方法的组合。根据本发明,优选采用基于合成纤维的有孔的塑料膜(例如热塑性膜)或无纺布材料,例如由如下物质制成的那些材料:聚乙烯或聚丙烯均聚物或共聚物,以及基于它们的聚合物组合物。
任选地,在吸收芯与表层材之间存在至少另外一层,所述另外一层可以由疏水和亲水纤维网(web)或泡沫材料制成。对于"纤维网材料",理解为薄纸(paper tissue)、纺织或无纺布类型的,粘在一起的、平坦的基于纤维的结构。纺布的材料可以具有与前面对表层材所述相同的特征。
特别地,至少一种另外的层可以有助于流体处理,例如以至少一种获得/分配层的形式存在。在例如US 5,558,655、EP 0 640 330 A1、EP 0 631 768Al或WO 95/01147中教导了这些结构。
"泡沫材料"也是本领域公知的,例如在本发明者的专利EP0878481Al或EP 1 217 978 A1中对其有描述。
吸收芯可以部分或全部被芯包裹物包围。吸收芯包括如下的吸收性材料:所述吸收性材料通常是可压缩的、舒适的、并且对穿用者的皮肤没有刺激性的,还能够吸收和保持液体例如尿和其它身体排出物。
吸收性材料的例子包括许多种常用于一次性尿布和其它吸收性物品的液体吸收性材料,例如粉末木质纸浆,其通常称作气毡(air felt)或绒毛,以及皱丝纤维素填料;熔喷聚合物,包括共形成物(co-form);化学加固、改性或交联的纤维素纤维;薄纸,包括薄纸包裹物和薄纸层合物,吸收性泡沫,吸收性海绵,超吸收性聚合物(例如超吸收性纤维或颗粒),吸收性胶凝材料,或者任何其它已知的吸收性材料或材料的组合。
典型地存在于吸收芯中的纤维也优选能够吸收体液,如同亲水纤维一样。最优选纤维是纤维素纤维,例如木质纸浆绒毛、棉花、棉绒、人造纤维和纤维素乙酸盐等,优选采用纤维素绒毛浆。纤维素绒毛浆可以是机械类型或化学类型的,优选化学浆。
吸收芯优选包括软木吸收性聚合物和/或纤维素绒毛浆纤维。如果以混合物的形式使用,SAP/绒毛浆的重量比优选为20/80-70/30,例如30/70-60/40。
术语"超吸收性聚合物"是本领域公知的,并且表示水-可膨胀的且水-不溶性的材料,这些材料能够吸收重量是它们自身重量许多倍的体液。优选地,在包含0.9重量%氯化钠的水溶液中,超吸收性聚合物(SAP)能够吸收至少约自身重量10倍,优选至少约自身重量15倍,特别地至少约自身重量20倍的液体(在通常的测量条件下,其中,待吸收液体可自由出入超吸收性表面)。为测定超吸收性聚合物的吸收能力,可以采用标准测试EDANA WSP 241.2。
超吸收性聚合物可以是适合用于吸收性物品的任何形式,包括颗粒、纤维、薄片和球形等,优选颗粒形式。
根据一种具体实施方案,吸收芯中的超吸收性聚合物包含酸性超吸收性组分,这是因为酸性组分可以对臭味控制产生有益影响。在一种可选的具体实施方案中,吸收性物品中的吸收芯不包含酸性超吸收材料,特别是pH≤5.5的酸性超吸收材料。因此,采用标准测试EDANA WSP 200.2来测量标准的(也就是说,非-酸性)和酸性SAP的pH。
SAP是基于均聚物或共聚物的,所述均聚物或共聚物包括至少一种具有酸性基团(例如羧酸基团或磺酸基团)的可聚合单元,所述可聚合单元例如甲基丙烯酸、丙烯酸、马来酸、乙烯基磺酸。相应的聚合物包括,但不限于聚(甲基)丙烯酸、乙烯马来酸酐共聚物、乙烯基磺酸的聚合物和共聚物、聚丙烯酸酯、丙烯酸接枝淀粉和异丁烯马来酸酐共聚物。这些聚合物优选是交联的,从而使得材料基本上不溶于水。根据本发明的一种优选具体实施方案,超吸收材料是包含(甲基)丙烯酸单元的交联的均聚物或共聚物,例如EP 0 391 108 A2中公开的类型。标准SAP的pH落在例如5.8或更大的范围内。
在本发明中,将"抗菌剂"定义为如下化合物:所述化合物能够杀灭细菌,例如存在于人体泌尿区域中的产生氨的细菌,或者能够抑制所述细菌的生长。
对于优选的抗菌剂,当以约103CFU/ml每种类型细菌的液体(CFU是形成菌落的单元)的浓度开始时,在12小时之后,给定浓度的抗菌剂(例如10-3g/g干吸收芯)能够产生105CFU/ml每种类型细菌的液体或更低的细菌量,优选104-10,更优选103-102。这可以根据本申请人的WO 00/35505中描述的方法"测量吸收体中的细菌抑制"来测量(第17页,方法3)。上述方法中采用的吸收芯优选是圆形的,其直径为5cm,吸收性材料在芯中的存在量为1.16g,吸收芯已经被压缩到约8-10cm3/g的体积,并且向其中加入16ml测试液体。该方法评价对选自大肠埃希菌、奇异变形菌和粪肠球菌中的至少一种菌株的生长的抑制能力或杀灭能力。
用于本发明的抗菌剂优选是皮肤友好型的化合物。需要注意的是,与吸收性产品例如尿布、尿裤、卫生巾或者失禁用装置接触的那部分皮肤是敏感并且脆弱的。因此,优选采用经认可用于食品的抗菌剂(例如,作为防腐剂),例如,在任何EC成员国、或US、或日本经认可的那些食品防腐剂可优选用于本发明。
抗菌剂可以是有机的或无机的。抗菌剂可以选自例如以下有机化合物:异噻唑啉酮和苯并异噻唑啉酮、噁唑烷、吡啶、任选氯化的酚、溴化物、醛和二醛化合物、苄醇、甲酚、对-羟基苯甲酸及其酯和盐(对羟基苯甲酸类化合物(parabene compounds))、有机酸及其盐,特别是碱金属盐、碱土金属盐以及有机多酸及其盐,特别是碱金属盐和碱土金属盐。如果抗菌剂表现出(包括)相应的结构特征,那么该抗菌剂就属于上述类别。因此,(进一步)取代的化合物例如羟基化有机酸也包括在上述类别中。
无机的抗菌剂可以选自碱金属(例如钠和钾)或碱土金属(例如钙或镁)的亚硫酸盐、亚硫酸氢盐、硝酸盐、亚硝酸盐和碘酸盐。
优选地,将以下化合物或它们的混合物中的一种用作抗菌剂。
1,2-苯并异噻唑啉-3-酮(BIT,Proxel);
苯甲酸,E210;
苄醇;
2-苄基-4-氯酚(Chlorophene);
1,3-双(羟基甲基)-5,5-二甲基咪唑啉-2,4;
5-溴-5-硝基-1,3-二噁烷(BronidoxTM);
2-溴-2-硝基丙烷-1,3-二醇(BNPD);
琥珀酸二醛;
甲基乙酰吡喃二酮(6-甲基乙酰吡喃酮);
双咪唑烷基脲(diazolidinyl urea,Germall IITM);
1,2-二溴-2,4-二氰基丁烷;
6,6-二溴-4,4-二氯-2,2′-亚甲基联苯酚;
3,3′-二溴-4,4′-六亚甲基二氧二苄脒(二溴六脒);
2,4-二氯苄醇;
5,5′-二氯-2,2′-二羟基二苯基甲烷(Dichlorophen);
4,4-二甲基-1,3-噁唑烷;
酚,例如邻-苯基酚;
甲酚,例如邻-、间-或对-甲酚,4-异丙基-间-甲酚,对-氯-间-甲酚;
2-苯氧基乙醇(乙二醇单苯基醚);
1-苯氧基丙烷-2-醇;
邻-苯基酚及其盐;
苯基汞银盐,包括硼酸盐;
甲醛;
富马酸,E 297;
戊二醛;
乙二醛;
海克替啶(hexetidine);
六亚甲基四胺,E 239;
对-羟基苯甲酸(4-羟基苯甲酸);
对-羟基苯甲酸-苄基酯(苄基对羟基苯甲酸酯);
对-羟基苯甲酸正丁基酯(丁基对羟基苯甲酸酯);
对-羟基苯甲酸-乙基酯,E 214(乙基对羟基苯甲酸酯);
对-羟基苯甲酸-乙基酯钠盐,E 215(乙基对羟基苯甲酸钠盐);
对-羟基苯甲酸正庚酯(庚基对羟基苯甲酸酯);
对-羟基苯甲酸-甲基酯,E 218(甲基对羟基苯甲酸酯);
对-羟基苯甲酸-甲基酯钠盐,E 219(甲基对羟基苯甲酸钠盐);
对-羟基苯甲酸正丙基酯,E 216(丙基对羟基苯甲酸酯);
对-羟基苯甲酸正丙基酯钠盐,E 217(丙基对羟基苯甲酸酯钠盐);
1-羟基-4-甲基-6(2,4,4-三甲基戊基)-2-吡啶酮;
咪唑烷基脲;
乙酸钙,E 263;
亚硫酸氢钙,E 227;
丙酸钙,E 282;
亚硫酸钙,E 226;
亚硫酸氢钾,E 224(焦亚硫酸钾);
硝酸钾,E 252;
丙酸钾,E 283;
山梨酸钾,E 202;
2-氯乙酰胺;
N-(3-氯烯丙基)-六氨合(hexaminium)氯化物(Quaternium 15);
1-(4-氯苯氧基)-1-(咪唑-1-基)-3,3-二甲基丁-2-酮;
洗必泰;
对-氯-间-二甲苯酚;
5-氯-2-甲基-4-异噻唑啉-3-酮;
4-氯-3,5-二甲苯酚;
metenamine-3-氯烯丙基氯化物;
N,N′-亚甲基双(5-甲基-噁唑烷)(GrotODTM);
2,2′-亚甲基-双-(3,4,6-三氯酚)(Hexachlorophene);
乳酸E 270;
肉豆蔻酸;
那他霉素,E 235(Pimaricin);
乙酸钠,E 262;
苯甲酸钠,E 211;
二乙酸钠,E 262;
甲酸钠(sodium forminate),E 237;
硝酸钠,E 251;
亚硝酸钠,E 250;
丙酸钠,E 281;
钠-2-吡啶硫醇-1-氧化物(OmadinTM和PyrionNaTM);
山梨酸钠,E 201;
亚硫酸钠,E 221;
亚硫酸氢钠,E 223(焦亚硫酸钠);
碘酸钠;
酸式亚硫酸钠,E 222(亚硫酸氢钠);
尼生素,E 234;
2正辛基-4-异噻唑啉-3-酮(Kathon893TM和Skane M-8TM);
低聚甲醛;
聚(1-六亚甲基双胍氢氯化物);
丙酸,E 280;
水杨酸(2-羟基苯甲酸);
山梨酸,E 200;
无机亚硫酸盐;
二氧化硫(aq.),E 220;
2,2′-硫代-双-(4,6-二氯酚)(Bithionol);
硫柳汞(乙基汞硫代水杨酸盐);
1,3,5-三嗪-1,3,5-(2H,4H,6H)-三乙醇;
trichlocarban(3,4,4′-三氯-N碳酰苯胺);
2,4,4′-三氯-2′-羟基二苯基醚(IrgasDP 300TM和TriclosanTM);
3,4,4-三甲基-1,3-噁唑烷(Bioban CS 1135TM和Oxaben ATM)。
癸烯酸;
无机酸式亚硫酸盐;
锌-双-(2-吡啶硫醇-1-氧化物)(Zink-OtnadinTM);
苹果酸,E 296(羟基琥珀酸);
乙酸,E 260;
吗啉衍生物,例如4-(硝基丁基)-吗啉和
4,4′-(2-乙基-2-硝基-三亚甲基)-二吗啉(Bioban P 1487TM或BiobCS1248TM);
噁唑烷;
吡啶衍生物;
Kathon CG(5-氯-2-甲基-4-异噻唑啉-3-酮和2-甲基-4-异噻唑啉-3-酮的混合物);和
1,1,1-三氯-2-甲基-2-丙醇(氯丁醇)。
抗菌剂优选选自有机酸和多酸(例如二酸或三酸),以及它们的盐。有机(多)酸可以被一个、两个或更多羟基基团取代。有机(多)酸可以是不饱和的(例如单不饱和的或二不饱和的)或饱和的、直链或支链的脂肪族羧酸,其优选具有2-18个碳原子,更优选3-8个碳原子。在上述列举的化合物中已经提及了其例子。有机酸也可以代表芳香族(多)酸,优选苯基(多)羧酸,其具有优选7-18个碳原子,特别是7-10个碳原子,例如苯甲酸、对-羟基苯甲酸或水杨酸。盐优选是碱金属盐(例如K或Na)或碱土金属盐(例如Ca或Mg)。
酸性抗菌剂,包括上述有机(多)酸,优选是弱酸,特别是pK值至少为3,特别地至少为4,例如4-5的那些(对于多酸为pK1值),所述pK是于25℃在水中测量的。例如,乙酸的pK为4.75,山梨酸的pK为4.76,以及苯甲酸的pK为4.19。
更优选地,将苯甲酸、山梨酸、酒石酸或柠檬酸,最优选苯甲酸,用作本发明中的抗菌剂。
碱金属氯化物可以是氯化钾(KCl)或氯化钠(NaCl),优选NaCl。碱土金属氯化物可以是氯化镁(MgCl)或氯化钙(CaCl2)。根据本发明,碱金属氯化物或碱土金属氯化物的存在量为至少0.01,优选至少0.05,更优选至少0.1g/g干吸收芯。
对于与组分(i)组合使用的有机锌盐,没有特别限制。根据本发明,优选采用具有2-30个碳原子,特别是12-24个碳原子的有机羧酸的锌盐。羧酸基团可以与脂肪族、脂肪族-芳香族、芳香族-脂肪族、脂环族或芳香族残基相连,其中,脂肪族链或脂环族环可以是不饱和的,并且任选被取代,例如被羟基或C1-C4烷基取代。这些盐包括乙酸锌、乳酸锌、蓖麻油酸锌和松香酸锌。更优选地,锌盐是具有8-18个碳原子的不饱和羟基化脂肪酸的锌盐。尽管对于不饱和双键或羟基基团的数目没有特别限制,那些具有一个或者两个不饱和双键和一个或者两个羟基基团的脂肪酸似乎是优选的。最优选的具体实施方案是蓖麻油酸锌。有机锌盐也可以在氨基酸的存在下被活化,例如在得自Degussa的TEGO Sorb中。此外,用于本发明的有机锌盐也能够以化学方式除去具有难闻气味的物质,所述物质基于胺(例如,香烟烟雾中的烟碱),含硫化合物(例如,大蒜和洋葱中的蒜素),和酸(例如,人体汗液中的异戊酸,和丁酸)。例如,蓖麻油酸锌(例如,Degussa以商标名出售的 Sorb)除了可以除去氨之外,还具有所述附加的气味除去效果。
根据特别优选的具体实施方案,抗菌剂(作为组分(i)的一种选择)选自苯甲酸、山梨酸、酒石酸和柠檬酸,或它们的混合物,并且有机锌盐是蓖麻油酸锌。根据更优选的具体实施方案,氯化钠用作组分(i),并且有机锌盐是蓖麻油酸锌.
对于组分(i)和有机锌盐在本发明中的用量,没有特别限制。在本说明书中,以与干吸收芯的重量(单位为g)相比的方式来表示这些量。这里,对吸收芯所采用的术语"干"应理解为没有向吸收芯中加过水,而在吸收芯中存在的仅有的水是制备过程中不可避免的残留水。为了本发明的目的,优选将在圆形测试之后的吸收芯称为"干"吸收芯,其中,所述芯的厚度为5-6mm,直径为5cm,所述芯已经被压缩到约8-10cm3/g的体积,并且已经将所述芯在环境温度(例如20℃)和指定的相对湿度(例如50%RH)下保持至少一周。
虽然对本发明中抗菌剂的用量没有特别限制,只要不影响本发明的目的即可,不过,抗菌剂的量优选为至少1 x 10-4g,更优选至少5 x 10-4g,最优选至少1 x 10-3g/g干吸收芯。然而,也有以下情形,其中,相对于干吸收芯,抗菌剂的用量可以低至5-10ppm抗菌剂(以重量计)。这种情形是 CG,它是两种化合物的混合物,即5-氯-2-甲基-4-异噻唑啉-3-酮和2-甲基-4-异噻唑啉-3-酮的混合物,如果抗菌剂超过一定的量(例如0.01g或0.1g/g干吸收芯),再加入抗菌剂就不经济了。
碱金属氯化物或碱土金属氯化物如氯化钠的量是至少0.01g,优选至少0.05g,例如至少0.1g/g干吸收芯。虽然对于碱(土)金属氯化物的含量没有具体的上限,但是如果超过某一值,例如0.5g/g吸收芯或者1g/g吸收芯,增加碱(土)金属氯化物的量就不再有益。
非常低量的有机锌盐与组分(i)组合使用,已经取得了非常有效的臭味控制效果。有机锌盐(以锌计),例如蓖麻油酸锌的优选的重量下限似乎是至少1 x 10-5g/g干吸收芯。更优选的值是至少1 x 10-4g,甚至更优选至少5x10-4g/g干吸收芯,甚至更优选至少1 x 10-3g/g干吸收芯。虽然没有具体的上限,但是因为经济原因,当进一步增加锌的含量不再有用时,可以达到一个点,例如达到0.1或1g锌/g吸收芯的值时,如果这不伴随有增强的臭味抑制效果的话。
抗菌剂、碱金属氯化物或碱土金属氯化物,与有机锌盐的重量比也没有特别限制,但是优选15/1 to 1/5,更优选5/1 to 1/2,例如3/1 to 1/1。
对于将抗菌剂或者碱金属氯化物或碱土金属氯化物(以下也称作"氯化物")和有机锌盐加入到吸收芯中的技术,本发明也没有任何限制。然而,浸泡、浸渍和喷淋是优选的。
例如,在与SAP混合之前或在与SAP混合的过程中,可以用有机锌盐的混合溶液处理待用于吸收芯中的浆纤维,优选纤维素绒毛浆。或者,可以逐次用单独的溶液来处理待用于吸收芯中的纤维,例如通过浸泡和喷淋,包括抗菌剂或氯化物的第一溶液,和包括有机锌盐的第二溶液.
根据一种具体实施方案,在与浆纤维之前或在与浆纤维混合的过程中,用有机锌盐的混合溶液处理待用于吸收芯中的超吸收体(SAP),所述浆纤维特别是纤维素绒毛浆。或者,可以逐次用单独溶液来处理待用于吸收芯中的SAP,例如通过浸泡和喷淋,包括抗菌剂或氯化物的第一溶液,和包括有机锌盐的第二溶液。
根据另一个具体实施方案,将有机锌盐与抗菌剂或者氯化物的混合溶液喷淋到纤维上,最优选喷淋到得自厂家的纤维素绒毛浆薄片上。在将这些薄片交付到生产吸收性物品的厂家之前,生产这些薄片的厂家可以直接将混合溶液喷淋到绒毛浆薄片上。这是特别优选的具体实施方案,这是因为当制备吸收性物品时,避免了喷淋混合溶液或单独的溶液的额外步骤(也就是说,有机锌盐和组分(i)的溶液)。或者,将浆薄片浸泡到溶液中。在形成薄片的过程中或在形成薄片之后,可以加入SAP,以获得根据本发明处理的吸收芯。
最优选的方式是用有机锌盐和抗菌剂或者氯化物的混合溶液或单独的溶液来预处理SAP或浆纤维,特别是绒毛浆纤维,并且在形成吸收芯的过程中将这些组分与浆液一起添加到吸收芯中。
根据一种优选的应用技术,将组分(i)特别是苯甲酸,和组分(ii)特别是蓖麻油酸锌的溶液喷淋到吸收芯的一侧或两侧上,或者喷淋到构成吸收芯的各层的一侧或两侧上。
用于(i)抗菌剂或者氯化物和(ii)有机锌盐的混合溶液的溶剂可以是水,优选挥发性有机溶剂例如乙醇,或水和可与水混溶的有机溶剂例如乙醇的混合物,只要组分(i)和(ii)可以溶解或可以分散于其中即可。优选地,当制备组分(i)和(ii)的两种单独的溶液时也采用这些溶剂。在为两种溶液的情形下,可以根据组分(i)和有机锌盐的溶解性独立地选择溶剂。优选地,组分(i)和(ii)以相对较高的浓度,优选1-30重量%存在于溶液中。采用这种浓溶液确保了超吸收材料的吸收能力不受到不必要的损害。也可以采用可商购获得的有机锌盐(例如得自Degussa的TEGO A30,活性物含量为30重量%,蓖麻油酸锌被氨基酸活化)的溶液,所述溶液任选地采用稀释的形式,其中,向所述溶液中加入合适量的期望化合物(i)。
底层材防止吸收性层吸收的并且包含在吸收性物品中的排出物将会接触到吸收性物品的其它外部物品弄脏,所述外部物品例如床单和内衣。在优选的具体实施方案中,底层材基本上是液体(例如尿)不透过型,并且包括无纺布和薄塑料膜(例如厚度为约0.012mm至约0.051mm的热塑性膜)的层合物。合适的底层材膜包括Tredegar Industries Inc.of Terre Haute,Ind制备的并且以商标名X15306、X10962和X10964出售的那些。其它合适的底层材材料可以包括透气材料,所述透气材料允许水气从吸收性物品排出,同时仍然防止排出物透过底层材。例证性的透气材料可以包括如下材料:例如纺织的纤维网、无纺布的纤维网、复合材料例如膜-涂布的无纺布纤维网、和微孔膜。
可以本领域已知的方式,将吸收性物品的上述成分任选地与吸收性物品的其它典型成分组合。
本发明也涉及纤维素纤维,特别是纤维素绒毛浆纤维,其包括上面详细说明的组分(i)和(ii)。可以通过以上面所述方式处理纤维素纤维来获得纤维素纤维。
以下实施例和对比例用于说明本发明,而不是用于限制本发明的。
实施例1
圆形测试的吸收芯的重量为约1.48g,并且直径为5cm,所述吸收芯是由中试装置中制备的吸收芯打孔得到的。在中试装置中制备芯时,采用对芯进行表面处理的标准方法。吸收芯由绒毛浆、氯化钠和超吸收材料的混合物均匀构成。所用的绒毛浆是0.69g的Weyerhauser浆(NB 416),并且超吸收材料是0.47g的超吸收体(Dow Chemicals XZ 91030.03)。氯化钠(NaCl)的用量为163g/m2(相应于0.32g/g干吸收芯)。将吸收芯压缩到约8-10cm3/g的体积。
通过将所述溶液滴到芯的表面上(在一侧上)或将芯的一侧浸泡到所述溶液中,向吸收芯添加包含0.5wt%蓖麻油酸锌(可以商标名 SorbA30得自Degussa,并且适当地进行稀释)的1.3ml溶液。在处理之后1周,根据下面所述的方法A使吸收芯吸收16ml合成尿,然后将其在室温下静置。
在吸收合成尿之后6h和8h时,测量产生的氨的量。
将五次测量的结果取平均值,作为平均值。结果示于表1中。
方法A:测量在吸收芯中的氨抑制
按照上面所述制备吸收芯。制备测试液体1。在30℃的营养液中培养奇异变形菌的细菌悬液,过夜。将接枝培养菌稀释并且测定细菌的量。最终的培养菌包含约105细菌/ml测试液体。将吸收芯置于塑料广口瓶中,并将测试液体1加入到吸收芯中,然后将容器在35℃培养分别6和8小时,然后采用手动泵和所谓的德拉格管()将样品从容器中取出。根据颜色变化来获得氨含量,以ppm或体积百分数来划分等级。
测试液体1:
将已经向其中加入过微生物生长介质的合成尿消毒。合成尿包含单价和二价阳离子和阴离子和尿素,所述合成尿是根据Geigy,Scientific Tables,VoI2,8th ed.1981p.53的形成方法制备的。微生物生长介质是基于肠杆菌的Hook-介质和FSA-介质的形成的。所述混合物中的pH为6.6。
对比例1
以与实施例1相同的方式形成吸收芯,除了将不经处理的溶液加入到吸收芯,从而其不含有任何蓖麻油酸锌。
对比例2
以与实施例1相同的方式形成吸收芯,唯一的不同在于吸收芯不包含任何氯化钠(吸收芯的重量为约1.16g),以及用于处理吸收芯的溶液包含6wt%的蓖麻油酸锌,并且不含氯化钠。
关于实施例1和对比例1和2中形成的氨的结果示于下表1。
表1
样品描述 | 形成的氨(ppm)6h | 形成的氨(ppm)8h | |
对比例1 | NaCl | 77 | 520 |
对比例2 | Zn1 | <19 | 270 |
实施例1 | NaCl+Zn1 | 10 | 140 |
1蓖麻油酸锌
上述实验显示,将碱金属氯化物例如氯化钠,和有机锌盐例如蓖麻油酸锌组合使用,以令人吃惊的程度抑制了氨的形成。
Claims (19)
1.吸收性物品,例如尿布、尿裤、卫生巾或失禁用装置,所述吸收性物品包括表层材、底层材和包在所述表层材与所述底层材之间的吸收芯,其中,所述吸收芯包括
(i)抗菌剂,或者至少一种碱金属或碱土金属氯化物,所述至少一种碱金属或碱土金属氯化物的量为至少0.01g/g干吸收芯,和
(ii)有机锌盐。
2.根据权利要求1所述的吸收性物品,其中,所述吸收芯包括纤维和超吸收材料的混合物,所述纤维特别是纤维素绒毛浆。
3.根据权利要求1或2所述的吸收性物品,其中,所述有机锌盐的量使得所述吸收芯中包含至少5 x 10-4g Zn/g干吸收芯。
4.根据权利要求1-3中任一项所述的吸收性物品,其中,所述抗菌剂的量为至少1 x 10-3g/g干吸收芯。
5.根据权利要求1-4中任一项所述的吸收性物品,其中,所述抗菌剂与所述有机锌盐的重量比为15/1-1/5,其中所述有机锌盐的重量按锌的重量计。
6.根据权利要求1-5中任一项所述的吸收性物品,通过用组分(i)和所述有机锌盐(ii)的混合溶液处理所述吸收芯获得所述吸收性物品。
7.根据权利要求1-6中任一项所述的吸收性物品,其中,所述抗菌剂选自具有2-18个碳原子的有机酸和多酸及它们的盐。
8.根据权利要求7所述的吸收性物品,其中,所述有机酸或多酸选自具有3-8个碳原子的饱和或不饱和的直链或支链的羧酸以及具有7-10个碳原子的芳香族酸和多酸。
9.根据权利要求8所述的吸收性物品,其中,所述酸或多酸选自苯甲酸、山梨酸、酒石酸和柠檬酸,或它们的混合物。
10.根据权利要求9所述的吸收性物品,其中,所述酸是苯甲酸。
11.根据权利要求1所述的吸收性物品,其中,所述碱金属氯化物是氯化钠。
12.根据权利要求1-11任一项所述的吸收性物品,其中,所述有机锌盐选自具有2-30个碳原子的羧酸的锌盐。
13.根据权利要求12所述的吸收性物品,其中,所述羧酸代表具有8-18个碳原子的不饱和羟基化脂肪酸。
14.根据权利要求13所述的吸收性物品,其中,所述锌盐是蓖麻油酸锌。
15.根据权利要求1-14任一项所述的吸收性物品,其中,所述抗菌剂是苯甲酸,并且所述锌盐是蓖麻油酸锌。
16.根据权利要求1-15任一项所述的吸收性物品,其中,所述底层材是液体不可透过的。
17.纤维素纤维,特别是纤维素绒毛浆纤维,其特征在于,它们包括:
(i)抗菌剂,或者至少一种碱金属或碱土金属氯化物,所述至少一种碱金属或碱土金属氯化物的量为至少0.01g/g干吸收芯,和
(ii)有机锌盐。
18.根据权利要求17所述的纤维素纤维,其中,所述有机锌盐是蓖麻油酸锌。
19.根据权利要求17或18所述的纤维素纤维,其是通过用组分(i)的第一溶液的和组分(ii)的第二溶液,或者用组分(i)和(ii)的混合溶液处理纤维素纤维而获得的,其中所述组分(i)和(ii)如权利要求17所定义的。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2006/011067 WO2008058564A1 (en) | 2006-11-17 | 2006-11-17 | Absorbent articles comprising an organic zinc salt and an anti-bacterial agent or alkali metal chloride or alkaline earth metal chloride |
Publications (1)
Publication Number | Publication Date |
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CN101534872A true CN101534872A (zh) | 2009-09-16 |
Family
ID=38669024
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN200680056403A Pending CN101534872A (zh) | 2006-11-17 | 2006-11-17 | 包括有机锌盐和抗菌剂或碱金属氯化物或碱土金属氯化物的吸收性物品 |
Country Status (10)
Country | Link |
---|---|
US (1) | US9555150B2 (zh) |
EP (1) | EP2083873B1 (zh) |
JP (1) | JP5073753B2 (zh) |
CN (1) | CN101534872A (zh) |
AT (1) | ATE481114T1 (zh) |
AU (1) | AU2006350910B2 (zh) |
BR (1) | BRPI0622130B1 (zh) |
DE (1) | DE602006017007D1 (zh) |
PL (1) | PL2083873T3 (zh) |
WO (1) | WO2008058564A1 (zh) |
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-
2006
- 2006-11-17 AU AU2006350910A patent/AU2006350910B2/en not_active Ceased
- 2006-11-17 CN CN200680056403A patent/CN101534872A/zh active Pending
- 2006-11-17 PL PL06818637T patent/PL2083873T3/pl unknown
- 2006-11-17 US US12/514,911 patent/US9555150B2/en active Active
- 2006-11-17 BR BRPI0622130A patent/BRPI0622130B1/pt not_active IP Right Cessation
- 2006-11-17 JP JP2009536610A patent/JP5073753B2/ja not_active Expired - Fee Related
- 2006-11-17 EP EP06818637A patent/EP2083873B1/en active Active
- 2006-11-17 WO PCT/EP2006/011067 patent/WO2008058564A1/en active Application Filing
- 2006-11-17 DE DE602006017007T patent/DE602006017007D1/de active Active
- 2006-11-17 AT AT06818637T patent/ATE481114T1/de not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107923128A (zh) * | 2015-03-11 | 2018-04-17 | 花王株式会社 | 薄片纸 |
CN107923128B (zh) * | 2015-03-11 | 2019-02-15 | 花王株式会社 | 薄片纸 |
TWI716374B (zh) * | 2015-03-11 | 2021-01-21 | 日商花王股份有限公司 | 薄片紙及其製造方法、與吸收性物品 |
Also Published As
Publication number | Publication date |
---|---|
PL2083873T3 (pl) | 2011-03-31 |
ATE481114T1 (de) | 2010-10-15 |
AU2006350910A1 (en) | 2008-05-22 |
JP2010509954A (ja) | 2010-04-02 |
EP2083873A1 (en) | 2009-08-05 |
AU2006350910B2 (en) | 2012-10-11 |
BRPI0622130B1 (pt) | 2016-02-10 |
US20100047303A1 (en) | 2010-02-25 |
BRPI0622130A2 (pt) | 2011-12-27 |
DE602006017007D1 (de) | 2010-10-28 |
WO2008058564A1 (en) | 2008-05-22 |
EP2083873B1 (en) | 2010-09-15 |
US9555150B2 (en) | 2017-01-31 |
JP5073753B2 (ja) | 2012-11-14 |
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