TWI505787B - 用於可丟棄物件或衣服之黏扣帶的圈狀材料(一) - Google Patents
用於可丟棄物件或衣服之黏扣帶的圈狀材料(一) Download PDFInfo
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- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B18/00—Fasteners of the touch-and-close type; Making such fasteners
- A44B18/0003—Fastener constructions
- A44B18/0011—Female or loop elements
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H13/00—Other non-woven fabrics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/559—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered webs
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H11/00—Non-woven pile fabrics
- D04H11/08—Non-woven pile fabrics formed by creation of a pile on at least one surface of a non-woven fabric without addition of pile-forming material, e.g. by needling, by differential shrinking
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H13/00—Other non-woven fabrics
- D04H13/001—Making non-woven fabrics from staple fibres, filaments or yarns, bonded to at least one web-like material, e.g. woven, knitted non-woven fabric, paper, leather, during consolidation
- D04H13/002—Making non-woven fabrics from staple fibres, filaments or yarns, bonded to at least one web-like material, e.g. woven, knitted non-woven fabric, paper, leather, during consolidation characterised by the disposition or nature of their elements
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H13/00—Other non-woven fabrics
- D04H13/001—Making non-woven fabrics from staple fibres, filaments or yarns, bonded to at least one web-like material, e.g. woven, knitted non-woven fabric, paper, leather, during consolidation
- D04H13/007—Making non-woven fabrics from staple fibres, filaments or yarns, bonded to at least one web-like material, e.g. woven, knitted non-woven fabric, paper, leather, during consolidation strengthened or consolidated by welding together the various components
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23907—Pile or nap type surface or component
- Y10T428/23979—Particular backing structure or composition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24008—Structurally defined web or sheet [e.g., overall dimension, etc.] including fastener for attaching to external surface
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24008—Structurally defined web or sheet [e.g., overall dimension, etc.] including fastener for attaching to external surface
- Y10T428/24017—Hook or barb
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
- Y10T428/24826—Spot bonds connect components
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
- Laminated Bodies (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Nonwoven Fabrics (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Description
本申請案主張提出於2007年4月17日之共同審查中的美國臨時申請案編號60/912244的利益,該案之全部內容併入此處作為參考。
本發明針對用於可丟棄物件或衣服之黏扣帶的圈狀材料。
消費與工業用品使用黏扣帶裝置已經廣為人知。此等用品之實例包括可丟棄衛生吸收物件如尿布、可丟棄衣服如手術袍及相似物。
通常,一黏扣帶裝置包括一勾狀組件與一圈狀組件。勾狀組件包括安裝至基底材料的多數勾狀構件。圈狀組件包括從背材料向外突出之直立的多數圈狀構件。勾狀構件設計成接合圈狀構件以提供彼此間之強力機械結合。勾狀構件與圈狀構件典型上可以重複地接合與去接合。
然而,當黏扣帶裝置想被用於可丟棄衛生吸收物件或可丟棄衣服時,低成本但是就有限數目之用品仍然能夠充分提供可重複黏撕之機械密封的圈狀組件是眾所期盼的。因為可丟棄物件只是短期使用,所以可丟棄物件的圈狀組件不需要具有長期與勾狀組件重複地接合及去接合的能力。然而,與勾狀組件一起使用之圈狀組件應該提供相當高的撕起強度及相當高的剪力強度,即該圈狀組件於有限的使用循環中應該確保密封。
各種的圈狀材料均可購得。典型圈狀材料包括層疊成支撐膜之層的編織或不織布織物。這些圈狀材料典型上藉著以下方式於尿布線上加工製造:從一捲件中解開纏繞的材料,將黏劑施用於背面,對圈狀材料的側邊覆以薄膜,饋進材料於多孔金屬圓筒上方,該圓筒以真空吸力將材料固定於定位,當材料被圓筒固定時將材料切成條狀,及將該條狀物加在尿布背片材料,該背片材料係經由尿布裝配線平行地饋入。
聚丙烯由於相當低的價格、觸感柔軟、取得容易與加工方便為較佳用於生產尿布產品之不織布材料。想要的不織布圈狀材料係不需使用薄膜支撐層以更降低價格與增進圈狀材料之柔軟性與彎曲性。
然而,遭遇到許多問題使得不織布作為圈狀材料受到限制,此將於下討論。
典型的不織布材料空氣通透性太好。在典型上既存之尿布生產線的真空圓筒上剪切成條狀的操作過程中,如此高通透度材料無法有效地固著於定位。為了使用如此高通透材料,對於真空圓筒與相關設備的大幅修改是必要的。
典型以聚丙烯為主的不織布容易受到壓縮。當不織布圈狀材料被繞成捲件且儲存一段時間後,圈狀區域會變得永久地壓扁。當不織布圈狀材料之捲件解開捲繞、尿布生產線上加工切成每一片且貼附至尿布背片時,圈狀會如此地平坦以致於不再可以用作有效的固定材料。
不織布纖維與細絲必須結合在一起以確保結構在一起以及留下未結合纖維或圈狀件區域以用於與勾狀相對件相固定。如果結合在一起之不織布平面區域的百分比不足的話,當解開黏扣帶時,勾狀件回縮同時不織布纖維會容易地被拉離結構。如果結合在一起之不織布平面區域的百分比太高的話,可用於與勾狀件接合的圈狀纖維會不足使得固定的效果會大降。此外,結合圖案對勾狀接合的容易性有重大影響,因此也影響到固定的表現。
因此,需要低價的不織布來作為圈狀固定材料以用於衛生用品(諸如尿布)中來克服上述的問題。
一種用於黏扣帶之圈狀材料為一不織布組合物,該不織布組合物由一圈狀件層、一背層及多數結合區域組成。該圈狀件層可為熱塑性波紋狀短纖維之梳理過的不織布,該短纖維為介於1.5至6.0 dTEX之間,且該圈狀件層之基本重量為介於10至35 g/m2
之間。該背層為基本重量介於5至30 g/m2
之間的紡黏性或紡熔性不織布,該圈狀件層可與該背層為面對面疊合。該多數結合區域連結該圈狀件層至該背層且使得該結合區域為大致上空氣不通透,該結合區域包括介於35至55%之該圈狀材料的表面區域。
為闡述本發明之故,顯示於圖式中者為現時較佳的形式;然而應了解的是,本發明不限於所示之精確安排與方式。
第1圖係依據本發明所製造之不織布組合物的橫截面圖。
第2圖係依據本發明所製造之不織布組合物之實施例之一的頂部平視圖。
第3圖係依據本發明所製造之不織布組合物之實施例之一的頂部平視圖。
第4圖係“島狀”的頂部平視圖。
第5圖係製造本發明之方法的簡要圖解。
第6圖係與下述之實例相關之圖解。
請參見圖式,其中相似標號表示相似元件,第1圖顯示不織布組合物10之一實施例。不織布組合物10包括一圈狀件層12、一背層14及多數結合區域16。每個元件將詳述於下。
不織布組合物10可以作為用於可丟棄物件/衣服之黏扣帶(未圖示)的圈狀組件。可丟棄物件/衣服包括可丟棄衛生吸收物件(如尿布)及可丟棄衣服(如手術袍)。可丟棄通常意指僅使用一次。
在不織布組合物10中,圈狀件層12與背層14為面對面接觸且於結合區域16連結在一起。不織布組合物10可包括至少兩種不同的不織布材料。在非結合區域之圈狀件層12形成一“隆起”,藉此不織布圈狀件層呈開啟狀且適合勾狀接合。在結合區域之圈狀件層12為平坦狀,藉此圈狀件層呈關閉狀且不適合勾狀接合。不織布組合物10的總空氣通透度不應該超過1500 l/m2
/s。於一實施例中,通透度不應該超過1300 l/m2
/s。於另一實施例中,通透度應該為800 l/m2
/s。通透度的上限表示在尿布製造過程中(如上所述)不織布組合物作用良好的門檻,而下限表示不織布組合物具有充分柔軟性的門檻(例如,不會感到像薄膜一樣的硬)。通透度係使用空氣通透度測試儀III(型號FX 3300,Textest AG of Zurick,瑞士)測定。
圈狀件層12適於接合黏扣帶之勾狀件(未圖示)。於一實施例中,圈狀件層12可為由熱塑性波紋狀短纖維製造之梳理過不織布。於一實施例中,該短纖維之dTEX值為1.5至6.0的範圍。該梳理過不織布的基本重量為10至35g/m2
的範圍,或者,基本重量可為18至27g/m2
的範圍。在引入不織布組合物10之前,該梳理過不織布可為非結合的(較佳)或結合的。若為結合的,可藉任何已知方式完成結合(雙組件纖維;加熱點結合,超音波,微波;黏劑及相似物);但較佳地,可使用雙組件纖維完成結合。此處所用之“熱塑性”意指任何之熱塑性材料。熱塑性材料包括但不限於聚烯烴類、聚酯類、尼龍及其等之組合。聚烯烴類包括但不限於:聚乙烯、聚丙烯、聚丁烯、聚甲基戊烯、其等之共聚物與其等之摻合物。聚酯類包括但不限於:PET、PBT、其等之共聚物與其等之摻合物。於一實施例中,熱塑性材料為聚丙烯。
背層14適於將圈狀件層12的纖維固著在定位,提供一表面,如此圈狀件層12可被固定至物件/衣服(未圖示),且便於物件/衣服的組裝。於一實施例中,背層可為由熱塑性細絲製造之紡黏性或紡熔性不織布。此處所用之紡黏性或紡熔性不織布意指以紡黏方法或紡熔方法製造之不織布。紡熔方法為紡黏(S)及噴熔(M)方法的組合。紡熔性不織布可具有SM或SMS或SMMS或相似的結構。紡黏性或紡熔性不織布之基本重量可為5至30 g/m2
的範圍。或者,該基本重量可為11至17 g/m2
的範圍。紡黏性或紡熔性不織布可被調整以降低空氣通透度。當不織布組合物被固定至物件/衣服時,降低的空氣通透度對於物件/衣服製造方法是有用的。當背層14產生後,在不織布組合物10的組裝之前其可被砑光。在此砑光過程後,一側可為“平滑的”即從壓花輥子不生漣漪狀。平滑側可為不織布組合物10的曝露側且可於其上印刷。此所用之熱塑性意指任何熱塑性材料。熱塑性材料包括但不限於聚烯烴類、聚酯類、尼龍及其等之組合。聚烯烴類包括但不限於:聚乙烯、聚丙烯、聚丁烯、聚甲基戊烯、其等之共聚物與其等之摻合物。聚酯類包括但不限於:PET、PBT、其等之共聚物與其等之摻合物。於一實施例中,熱塑性材料為聚丙烯。
此處所用之結合區域16意指圈狀件層與背層連結在一起且不織布組合物大致上不通透的區域。“大致上不通透”意指相對於空氣可穿過不織布組合物之非結合區域的通透度。於結合區域中,沒有空氣可通過(或少於穿過非結合區域之空氣的5%),但是在非結合區域中,空氣可穿過不織布組合物。結合區域16可包括約圈狀材料之表面區域的35至55%。結合區域16可包括圈狀材料之表面區域的40-50%。結合區域16如顯示於第2及3圖者,可為線狀或(連續或不連續)波浪狀,但不是如顯示於第4圖的“島狀”19。於一實施例中,結合區域朝橫過機器方向設置。勾狀件(未圖示)於結合區域中將不接合不織布組合物,但勾狀件將在非結合區域中接合不織布組合物。如第1圖所述者,結合區域中圈狀件層12及背層14的聯合高度小於非結合區域中背層14的高度。
當結合區域16為線狀或波浪狀,圈狀件長度為結合區域之間的距離。圈狀材料中之圈狀件長度可以相等或大致上相等。朝機器方向之圈狀件長度可為1-4 mm或2-3 mm。圈狀件高度為背層14與圈狀件層12最高部份之間的距離。於非結合區域之間,圈狀件高度大致相等。
不織布組合物10係如下述方式製造,看第5圖:一紡熔性或紡黏性之第一棉網20藉由從熱塑性樹脂饋出細絲而形成,此棉網然後藉著藉砑光牢固,藉梳理波紋狀短纖維產生未牢固之棉網而產生一第二棉網22,然後此兩棉網疊合(即面對面),最後兩疊合棉網形成之棉網通過一熱砑光機24(輥子26為例如壓花輥子,輥子28為例如平滑輥子)以獲得下述結果:藉由在多個地帶結合波紋狀短纖維牢固化梳理過棉網,沿著多個結合地帶將兩棉網連結在一起。在砑光方法中,棉網之結合將在或接近在生成不織布之熱塑性聚合物的熔點處。於足以允許將棉網適當結合在一起的溫度與壓力下加工係重要的。因此,不織布組合物被捲繞形成30。
就不織布組合物進行180度撕起結果之比較,該等不織布組合物係依據本發明以相當低百分比之區域結合及結合圖案而產生。撕起試驗係使用拉力試驗機(型號MTC Alliance RT/5,MTS系統公司,Eden Prairie,MN)而進行。
各不織布組合物之主捲件係使用如下所示之結合圖案而產生,然後切開成為捲件且以相同程度之拉力捲繞。各結合圖案之一切開捲件然後儲藏超過兩星期。從各捲件內之相似位置取得樣品且進行180度撕起試驗,見第6圖。
180°撕起強度試驗牽涉將一黏扣帶之一勾狀組件貼附至一圈狀組件,然後以180°角從圈狀組件撕起勾狀組件。將兩組件去接合所需之最大負載以牛頓紀錄。
SMS底層:14 g/m2
梳理過纖維頂層:23 g/m2
結合區域:17.4%
壓花:島狀(見第4圖)
180度撕起試驗:使用Aplix 94x原型勾狀件(具有密度為385勾狀件/cm2
之蕈狀勾狀件的13 mm寬帶)
樣品:來自主捲件切開17天後之捲件
SMS底層:14 g/m2
梳理過纖維頂層:23 g/m2
結合區域:42%
壓花:水平不連續波浪狀(見第3圖)
180度撕起試驗:使用Aplix 94x原型勾狀件(具有密度為385勾狀件/cm2
之蕈狀勾狀件的13 mm寬帶)
樣品:來自主捲件切開21天後之捲件
切開樣品捲件 1
切開樣品捲件 2
本發明可以其他型式具體例示而不脫離本發明之精神與基本性質,因此,如本發明請求範圍所示者,本發明之請求範圍以申請專利範圍為準而不是前述的說明。
10...不織布組合物
12...圈狀件層
14...背層
16...結合區域
19...島狀
20...第一棉網
22...第二棉網
24...熱砑光機
26...輥子
28...輥子
30...捲繞的不織布組合物
第1圖係依據本發明所製造之不織布組合物的橫截面圖。
第2圖係依據本發明所製造之不織布組合物之實施例之一的頂部平視圖。
第3圖係依據本發明所製造之不織布組合物之實施例之一的頂部平視圖。
第4圖係“島狀”的頂部平視圖。
第5圖係製造本發明之方法的簡要圖解。
第6圖係與下述之實例相關之圖解。
10...不織布組合物
12...圈狀件層
14...背層
16...結合區域
Claims (17)
- 一種用於黏扣帶之圈狀材料,其包括一複合不織布,該複合不織布由下列組成:一非結合性不織布網的一圈狀件層,且該不織布網具有介於10至35g/m2 之間的一基本重量;一紡熔性不織布的一背層,其具有介於5至30g/m2 之間的一基本重量,該圈狀件層與該背層為面對面疊合;以及連結該圈狀件層至該背層的多數結合區域。
- 如申請專利範圍第1項之圈狀材料,其中該複合不織布具有不超過1500l/m2 /s之一空氣通透度。
- 如申請專利範圍第2項之圈狀材料,其中該複合不織布具有在800至1300l/m2 /s的範圍內之一空氣通透度。
- 如申請專利範圍第1項之圈狀材料,其中該等結合區域之形式為連續或不連續的線狀或波浪狀。
- 如申請專利範圍第4項之圈狀材料,其中該等結合區域朝著一橫過機器方向延伸。
- 如申請專利範圍第1項之圈狀材料,其中該結合區域之高度小於該背層之高度。
- 如申請專利範圍第1項之圈狀材料,其中大致上空氣不通透為該結合區域之空氣通透度不超過一非結合區域之空氣通透度的5%。
- 如申請專利範圍第1項之圈狀材料,其中多數圈狀件形成於該等結合區域之間的該圈狀件層中,該等圈狀件遠 離該背層延伸達一大致上相等的高度。
- 如申請專利範圍第1項之圈狀材料,其中一圈狀件之長度為結合區域之間的距離,且該圈狀件之長度為介於1-4mm的範圍。
- 一種用於黏扣帶之圈狀材料,其包括一複合不織布,該複合不織布由下列組成:一非結合性不織布網的一圈狀件層,且該不織布網具有介於10至35g/m2 之間的一基本重量;一紡黏性或紡熔性的聚乙烯或聚丙烯不織布的一背層,其具有介於5至30g/m2 之間的一基本重量,該圈狀件層與該背層為面對面疊合;連結該圈狀件層至該背層的多數結合區域,以及該複合不織布具有不超過1500l/m2 /s之一空氣通透度。
- 如申請專利範圍第10項之圈狀材料,其中該複合不織布具有在800至1300l/m2 /s的範圍內之一空氣通透度。
- 如申請專利範圍第10項之圈狀材料,其中該等結合區域之形式為連續或不連續的線狀或波浪狀。
- 如申請專利範圍第12項之圈狀材料,其中該等結合區域朝著一橫過機器方向延伸。
- 如申請專利範圍第10項之圈狀材料,其中該結合區域之高度小於該背層之高度。
- 如申請專利範圍第10項之圈狀材料,其中大致上空氣不通透為該結合區域之空氣通透度不超過一非結合區域 之空氣通透度的5%。
- 如申請專利範圍第10項之圈狀材料,其中多數圈狀件形成於該等結合區域之間的該圈狀件層中,該等圈狀件遠離該背層延伸達一大致上相等的高度。
- 如申請專利範圍第10項之圈狀材料,其中一圈狀件之長度為結合區域之間的距離,且該圈狀件之長度為介於1-4mm的範圍。
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