TW201305401A - 具有抗過敏效果之多層化非織造織物 - Google Patents
具有抗過敏效果之多層化非織造織物 Download PDFInfo
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- TW201305401A TW201305401A TW101121947A TW101121947A TW201305401A TW 201305401 A TW201305401 A TW 201305401A TW 101121947 A TW101121947 A TW 101121947A TW 101121947 A TW101121947 A TW 101121947A TW 201305401 A TW201305401 A TW 201305401A
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- nonwoven fabric
- multilayered
- fibers
- meltblown
- spunlaced
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Classifications
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Abstract
本發明提供一種多層化非織造織物,其包含:由射流噴網非織造織物形成之外層,該射流噴網非織造織物包括竹纖維及基於聚對苯二甲酸乙二酯(PET)之纖維中之至少一者;由熔噴非織造織物形成之中間層;及由熔噴非織造織物或熔噴-射流噴網非織造織物形成之內層,其中該外層包含過敏原不活化劑;一種製造該多層化非織造織物之方法;及一種包括該多層化非織造織物之抗過敏產品。該多層化非織造織物可展現良好透氣性及耐候性,且甚至更可使過敏原不活化且因此展現抗過敏、抗細菌及抗病毒效果。
Description
過敏為生物體之防禦系統對抗侵入生物體之外來物質(亦即抗原)的反應。換言之,其為免疫系統之異常反應。一般而言,當抗原侵入時,生物體產生有特定反應之抗體及淋巴細胞。若此抗原再次侵入,則生物體觸發各種免疫反應作為自我保護之防禦機制。此舉稱為過敏反應。
過敏原為產生過敏反應之抗原。例示性過敏原包括塵蟎、花粉、動物毛髮、皮膚碎屑、植物纖維、病菌、食品、染料、化學物質。塵蟎分泌物藉由呼吸進入或直接接觸皮膚,由此導致過敏。空氣中之花粉進入人類之眼睛、鼻及肺中,從而導致過敏。特別言之,當花粉進入人類之鼻及頸部時,由此導致一系列稱為花粉過敏之季節性過敏性鼻炎。
寵物毛髮及皮膚碎屑亦為過敏原。對動物過敏可能要花費2年以上才會有進展。在一些情況下,在與動物發生接觸之後6個月以上過敏仍不能減輕。
多層化非織造織物已用作口罩材料。但控制過敏之經抗過敏處理之多層化非織造織物還有待於充分開發。
本發明之目的為提供經濟且製造簡單之對各種過敏原具有極佳抗過敏效果且具有抗生及抗病毒效果的多層化非織造織物及其製造方法。
本發明提供多層化非織造織物及製造方法,該織物包括
具有竹纖維、聚對苯二甲酸乙二酯(PET)類纖維及包括該等纖維之射流噴網非織造織物之外層;具有熔噴非織造織物之中間層;及具有熔噴非織造織物或熔噴射流噴網織造織物之內層。該外層包括過敏原不活化劑。
陰離子界面活性劑尤其適用於過敏原不活化劑。
在一些實施例中,需要外層進一步包括抗生劑。
在特定實施例中,中間層宜用電暈靜電處理。
中間層及內層之一種以上織物材料通常係選自由聚丙烯、聚烯烴、聚酯及聚醯胺組成之群。
本發明提供包括先前提及之多層化非織造織物之抗過敏產品。抗過敏產品可選自口罩、過濾器、防毒面罩、空氣淨化器及空氣調節器之群。
本發明之多層化非織造織物具有極佳抗過敏及抗病毒效果。其可用於諸如口罩、過濾器、防毒面罩、空氣淨化器及空氣調節器之抗過敏產品。
以上發明內容並不意欲描述本發明之各所揭示實施例或每一實施例。以下描述更特定例示說明性實施例。在整個申請案之若干處,經由實例之清單提供指導,該等實例可以不同組合使用。在各情況下,所述清單僅用作代表性群組且不應被解釋為排他性清單。
本發明參考圖式進行進一步描述,其中相應元件符號(reference character)指示遍及若干視圖之對應部分。
但本發明不限於彼等執行實例及圖式。其可以另一形式
說明或變為另一形式。
圖1為本發明之一個執行實例中之多層化非織造織物的橫截面圖。如圖1所示,本發明中之多層化非織造織物(100)包括3個層化非織造織物層,其包括第一外層(110)、中間層(120)及第二外層(130)。第一外層(110)包括過敏原不活化劑。
本發明之多層化非織造織物(100)中之第一外層(110)可由竹織物、聚對苯二甲酸乙二酯(PET)纖維或射流噴網非織造織物構成。
射流噴網非織造織物可為流體組合之非織造織物。在某些實施例中,流體組合之非織造物為在無化學手段或加熱手段之情況下在高壓下藉由噴射流體由纖維之間的摩擦運動組合之3維纖維總成。射流噴網非織造織物不包括由膠形成之黏著點或纖維之間的融合點。因此,其看起來像紡織物且柔軟並具有強懸垂特性。其具有極佳吸收作用及輔助溶解(supplementary solution)之特性。其對於使用溶劑安全且對人類無害。通常,射流噴網非織造織物包括人造絲。但本發明使用竹纖維、聚對苯二甲酸乙二酯(PET)類纖維或包括竹及PET之組合的纖維。
竹纖維可藉由對自溶解碎竹萃取之纖維素進行輻射來製造。竹織物具有高撕裂強度、抗皺性、吸收作用、透氣性及除臭作用。此外,其具有中斷UV射線、產生陰離子、防靜電及耐久性之特性。此外,竹織物具有極佳抗生作用,因此在本發明中,在射流噴網非織造織物不進行獨立
抗生處理之情況下,其可用於外層。
此外,關於聚對苯二甲酸乙二酯(PET)類纖維,可使用業內已知之常用PET類纖維,而無限制。舉例而言,可使用具有主要成分對苯二甲酸及乙二醇且調節其重量比且放出射線之纖維。
射流噴網非織造織物之第一外層(110)可藉由以適當比率混合以上竹纖維及PET類纖維來製造。如熟習此項技術者所瞭解,混合比率可考慮外層之形式維持及抗生作用而在常用範圍內調節。此外,考慮到非織造織物之強度、處理、可撓性、透氣性,射流噴網非織造織物之外層(110)之基礎重量可為20 g/m2至60 g/m2。
在本發明中,包括竹織物及/或PET類纖維之射流噴網非織造織物之第一外層(110)藉由抗過敏處理而含有過敏原不活化劑。
抗過敏處理意謂用過敏原不活化劑或過敏原不活化劑之溶液塗佈或浸漬本發明之外層(110)的處理。塗佈過敏原不活化劑之方法可為凹板印刷式塗佈、噴塗、絲網印刷或其他已知方法。
過敏原不活化劑為吸收且改變導致過敏之蛋白質物質從而使過敏原活化降低之物質。其可不受限制地使用,只要其降低或不活化目標過敏原即可,此情況通常為業內所知。作為過敏原不活化劑之目標之過敏原可為動物過敏原或植物過敏原。關於典型實例,其為過敏疾病之病因-一類室內塵蟎、花粉及寵物。本發明之過敏原不活化劑理想
上應為清潔力及乳化特性增強之陰離子界面活性劑。過敏原不活化劑之量不受特定限制。舉例而言,外層(110)之過敏原不活化劑之重量可為2.0 g/m2或2.0 g/m2以上。
必要時,在抗過敏處理期間,過敏原不活化劑可藉由添加至可增強抗過敏效果之溶劑或黏合劑或添加劑中來使用。適當溶劑為可溶解或分佈過敏原不活化劑之溶劑。舉例而言,適當溶劑包括(但不限於)水、醇類(甲醇、乙醇、丙醇)、烴類(甲苯、二甲苯、甲基萘、煤油、環己烷)、醚類(二甲醚、四氫呋喃、二噁烷)、酮類(丙酮、甲基乙基酮)及醯胺類(N,N-二甲基甲醯胺)。
此外,可增強抗過敏效果之添加劑之非限制性實例可為有機酸,諸如檸檬酸、蘋果酸、酒石酸、苯甲酸、乳酸、葡糖酸、抗壞血酸、五倍子酸、葡糖酸(aluconic acid)、順丁烯二酸;螯合劑,諸如乙二胺四乙酸(EDTA)四鈉;或其組合。過敏原不活化劑可與一定範圍內不會降低過敏原之減低效果及有效性之諸如以下之醫學助劑一起使用:保濕劑、抗氧化劑、UV射線吸附劑或蜱消毒劑(tick sanitizer)、其他消毒劑、真菌移除劑、除臭劑。
外層(110)可經抗細菌處理。可進一步包括另一抗生層。進行以上抗生處理之方法可為噴霧且乾燥或浸漬抗生物質之方法。此外,抗生物質可為具有耐熱性之無機或有機殺細菌劑,例如PHMB。
與先前提及之本發明之射流噴網非織造織物之一側(110)融合之中間層(120)可由熔噴非織造織物構成。
熔噴非織造織物包括具有由直徑為10 μm或10 μm以下之精細纖維彼此組合之網狀結構的3維纖維總成。熔噴非織造織物為將微纖維層壓於濾網上具有高過濾功能之非織造織物。其收集空氣中之細塵粒或粉塵。此外,熔噴非織造織物具有極佳彈性及透氣性以及拉伸特性。因此,其可作為具有高功能之非織造織物、過濾劑、吸附劑及絕緣體用於新穎構件。
用於中間層(120)之纖維材料不受特定限制。舉例而言,可使用一類聚丙烯、聚烯烴、聚酯、聚醯胺或與此等物質混合之其他纖維。
如上文所提及,具有熔噴非織造織物之中間層(120)具有過濾器或過濾介質之功能。為增強此過濾功能,中間層可另外經電暈放電、電漿電荷、使用帶電水珠之水電荷或與此等形式混合之形式靜電處理。在某些情況下,電暈靜電處理之方法為理想方法。
此外,中間層(120)為基礎重量為20 g/m2至40 g/m2之靜電處理之非織造織物過濾器。需要粉塵聚集效率在80%至99.9%之範圍內。
與先前提及之外層(110)及中間層(120)結合之本發明之內層(130)可由熔噴非織造織物或熔噴射流噴網非織造織物構成。
本發明之內層(130)之纖維材料可能與中間層(120)之材料相同或不同。例示性纖維材料可為聚丙烯、聚烯烴、聚酯、聚醯胺纖維類型或與此等纖維混合之其他纖維。
如同早先提及之外層,內層(130)之非織造織物之基礎重量典型地為20 g/m2至60 g/m2。
本發明之多層化非織造織物可由以下方法製造。然而,熟習此項技術者將瞭解可使用其他製造方法。
製造方法之一個執行實例可包括(1)將竹纖維、聚對苯二甲酸乙二酯(PET)類纖維或包括該等纖維之射流噴網非織造織物、熔噴非織造織物或熔噴射流噴網非織造織物依序層壓及融合以製造多層化非織造織物之步驟,(2)用過敏原不活化劑塗佈經製造之多層化非織造織物之射流噴網非織造織物的步驟。
此外,製造方法之另一執行實例可包括(1)用過敏原不活化劑塗佈竹纖維、聚對苯二甲酸乙二酯(PET)類纖維或包括該等纖維之射流噴網非織造織物;將熔噴非織造織物或熔噴射流噴網非織造織物依序層壓且融合以製造多層化非織造織物之步驟,(2)將熔噴非織造織物及熔噴非織造織物或熔噴射流噴網非織造織物依序層壓且融合於經塗佈射流噴網非織造織物之一側上之步驟。
此塗佈步驟可藉由凹板印刷式塗佈或噴塗來處理。此外,3層非織造織物可與包括黏著劑、熱或超音波黏合劑之各種方法組合。此外,其可與業內已知之常用物理方法組合。
如先前提及,本發明由包括竹纖維或聚對苯二甲酸乙二酯(PET)類纖維之射流噴網非織造織物與非織造層壓物來構造,該非織造層壓物係將熔噴非織造織物與熔噴非織造
織物或熔噴射流噴網非織造織物依序層壓。
多層化非織造織物之強度係利用此類層壓法藉由位於外層上之竹纖維或PET類非織造織物來增強。此外,藉由使孔隙大之非織造織物位於外層且使孔隙小之非織造織物位於內層可使孔隙相對小之熔噴非織造織物或熔噴射流噴網非織造織物之功能持續較長時間。此外,多層化非織造織物可藉由不使相對弱非織造織物以最大外角置放而具有極佳耐久性。
多層非織造織物可藉由使射流噴網非織造織物位於表層上且使熔噴非織造織物位於本發明之中間層上而充當具有高功能之過濾器。可藉由用包括於最大外角層上之過敏原不活化劑防止病原體穿入內部來提供抗過敏、抗病毒及抗生之效果。
對於本發明之空氣穿透速率,具有3層之多層化非織造織物上之正面部分的吸入阻力理想上應為10.3 mmH2O或10.3 mmH2O以下。在此範圍內其可用作口罩。
3層層壓之多層化非織造織物為本發明之實例。視用途而定之多層化非織造織物中之非織造織物之數目及層壓位置可在本發明之範圍內自由選擇。
本發明之多層化非織造織物可用於各種抗過敏產品。
此抗過敏產品之非限制性實例可為口罩、過濾器、空氣淨化器、空氣調節器及防毒面罩。舉例而言,圖2顯示具有本發明之多層化非織造織物的口罩主體(210),及具有耳環(220)之口罩。經抗過敏處理之外層理論上應面向接觸臉
之層置於口罩主體(210)上。
本發明由以下執行實例詳述。本發明不限於以下執行及實驗實例。
用由竹纖維製造之紡織物製備射流噴網非織造織物。在射流噴網非織造織物上進行凹板印刷式塗佈以使過敏原不活化劑之重量為40 g/m2,其中具有20重量%之化學製品十六烷基二苯醚二磺酸二鈉作為有效成分、2重量%檸檬酸、2重量%聚六亞甲基雙胍及76重量%水。乾燥之後,給予抗過敏處理。將熔噴非織造織物及熔噴射流噴網非織造織物依序層壓於此抗過敏射流噴網非織造織物之一側上。使用超音波融合且產生3層非織造織物。用作中間層之熔噴非織造織物為G100級電暈處理之非織造織物。
口罩主體由所製備之多層化非織造織物製造。耳環位於口罩主體之一側。耳環由棉紗製成。其融合且附接於口罩主體之一側(圖2)。
對執行實例1之口罩主體之外層進行抗生處理。將PHMB用於殺細菌劑。
口罩主體由未經抗過敏處理之單層聚酯非織造織物製成。耳環安裝於此口罩主體上且製得口罩。
抗過敏評估測試
使用ELISA酶LISA方法量測本發明過敏原之不活化功能。此方法檢查由抗原抗體反應引起之顏色改變以量測過敏原濃度。
製造方法及量測本發明之執行實例中所用之樣品及反應試劑之測試結果的方法如下所示。在各執行實例及比較實例中多種特定有效成分、過敏原類型、有效成分之涵蓋量下給予測試。
所用過敏原
室內塵蟎:Der p 1、Der f 1、Der p 2、Der f 2
花粉:Bet v 1(樺樹)
寵物:Can f 1(寵物皮屑)
將Inbio Corporation之產品用於各抗原之ELISA測試套組。將各抗原溶解於PBS中。製備測試過敏原溶液250 ng/ml。對於製造試劑之其他方法,遵循ELISA套組供應商之說明書。
將各樣品切割為5 mm×5 mm。將其置放於300 μl抗原溶液(250 ng/ml)中且在25℃下靜置1小時。1小時後,將100 μl此溶液(當量溶液)作為抗體置放於有蓋96孔微定量盤中。用微定量盤讀取器量測405 nm之光學密度。量測各樣品中過敏原濃度。
使用微定量盤讀取器以405 nm量測具有樣品之反應溶液
中各抗原之濃度,以計算過敏原不活化效率。
效率(%)(亦即過敏原不活化率(%))=(250-各樣品之量測濃度)/250
執行實例1及比較實例1
將四類室內塵蟎(Der p 1、Der f 1、Der p 2、Der f 2)、花粉(Bet v 1)及寵物(Can f 1)之過敏原用作各測試過敏原。花粉(Bet v 1)及寵物(Can f 1)之過敏原之蛋白質濃度為250 ng/ml。在樣品中總有效成分之涵蓋量達1 g/m2之後,量測十六烷基二苯醚二磺酸二鈉作為有效成分之過敏原不活化劑之各移除效率。結果示於以下表1中。
可如參考表2及圖3所瞭解,當本發明之過敏原不活化劑用於Der p 1、Der f 1、Der p 2、Der f 2、Bet v 1、Can f 1時,過敏原不活化效率優於非處理樣品。
本文中所引用之專利、專利文獻及公開案之全部揭示內容以全文引用的方式併入本文中,該引用的程度就如同各者係個別併入一般。在不悖離本發明範疇及精神之情況下,本發明之各種修改及變化對熟習此項技術者而言將為顯而易見的。應瞭解本發明並不意欲不適當地受限於本文所闡明之說明性實施例及實例,且該等實例及實施例係僅作為實例呈現,本發明之範疇意欲僅受限於本文如下闡述之申請專利範圍。
100‧‧‧多層化非織造織物
110‧‧‧第一外層
120‧‧‧中間層
130‧‧‧第二外層
210‧‧‧口罩主體
220‧‧‧耳環
圖1為本發明之一個實施例中多層化非織造織物之剖視圖。
圖2顯示基於本發明之一個實施例的具有多層化非織造織物之口罩之外部結構。
圖3為顯示實例1中之多層化非織造織物及比較實例1中之非織造織物對各種過敏原(塵蟎、花粉及寵物)之不活化功能之量測結果的圖表。
Claims (11)
- 一種多層化非織造織物,其包含:由射流噴網非織造織物形成之外層,該射流噴網非織造織物包含竹纖維及基於聚對苯二甲酸乙二酯(PET)之纖維中之至少一者;由熔噴非織造織物形成之中間層;及由熔噴非織造織物或熔噴-射流噴網非織造織物形成之內層,其中該外層包含過敏原不活化劑。
- 如請求項1之多層化非織造織物,其中該過敏原不活化劑為陰離子界面活性劑。
- 如請求項1之多層化非織造織物,其中該外層進一步包含抗細菌劑。
- 如請求項1之多層化非織造織物,其中該中間層已經歷電暈靜電處理。
- 如請求項1之多層化非織造織物,其中該中間層及該內層之該等非織造織物各自包含至少一種選自由基於聚丙烯之纖維、基於聚烯烴之纖維、基於聚酯之纖維及基於聚醯胺之纖維組成之群的纖維。
- 如請求項1之多層化非織造織物,其中構成該外層及該內層之該等非織造織物各自具有在20 g/m2至60 g/m2範圍內之單位面積重量,且其中構成該中間層之該非織造織物之單位面積重量在20 g/m2至40 g/m2之範圍內,且集塵效率在80%至99.9% 之範圍內。
- 一種抗過敏產品,其包含如請求項1至6中任一項之多層化非織造織物。
- 如請求項7之抗過敏產品,其係選自由口罩、過濾器、防毒面罩、空氣淨化器及空氣調節器組成之群。
- 一種製造如請求項1之多層化非織造織物之方法,該方法包含:(i)依序堆疊(a)包含竹纖維及基於聚對苯二甲酸乙二酯(PET)之纖維中之至少一者的射流噴網非織造織物、(b)熔噴非織造織物及(c)熔噴非織造織物或熔噴-射流噴網非織造織物,以獲得多層化非織造織物;及(ii)用過敏原不活化劑塗佈該多層化非織造織物之該射流噴網非織造織物之表面。
- 一種製造如請求項1之多層化非織造織物之方法,該方法包含:(i)用過敏原不活化劑塗佈包含竹纖維及基於聚對苯二甲酸乙二酯(PET)之纖維中之至少一者的射流噴網非織造織物;及(ii)將(a)熔噴非織造織物及(b)熔噴非織造織物或熔噴-射流噴網非織造織物依序堆疊於該射流噴網非織造織物之表面上,隨後層壓且黏結。
- 如請求項9或10之方法,其中該塗佈包含凹板印刷式塗佈或噴塗。
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CN103084007A (zh) * | 2013-01-25 | 2013-05-08 | 福建建州竹业科技开发有限公司 | 一种竹原纤维汽车空调过滤滤芯及其制备方法 |
KR101537446B1 (ko) * | 2013-09-23 | 2015-07-17 | 도레이케미칼 주식회사 | 다공성 복합여재, 이의 제조방법 및 이를 포함하는 필터 카트리지 |
KR102211659B1 (ko) * | 2013-12-16 | 2021-02-02 | 도레이첨단소재 주식회사 | 항바이러스 및 제균이 우수한 필터 카트리지 및 이의 제조방법 |
DE102013021071A1 (de) | 2013-12-18 | 2015-06-18 | Mann + Hummel Gmbh | Filtermedium, Filterelement und Filteranordnung |
CN103948188B (zh) * | 2014-04-30 | 2015-09-02 | 李甲亮 | 净化pm2.5的中药防护型口罩滤芯 |
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CN106400317A (zh) * | 2016-11-23 | 2017-02-15 | 桐城市钰锦塑料包装有限公司 | 一种抗菌驱虫无纺布及其制备方法 |
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EP2721208A4 (en) | 2015-06-03 |
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CN104302473A (zh) | 2015-01-21 |
WO2012177648A2 (en) | 2012-12-27 |
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