TW213413B - - Google Patents

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Publication number
TW213413B
TW213413B TW081105268A TW81105268A TW213413B TW 213413 B TW213413 B TW 213413B TW 081105268 A TW081105268 A TW 081105268A TW 81105268 A TW81105268 A TW 81105268A TW 213413 B TW213413 B TW 213413B
Authority
TW
Taiwan
Prior art keywords
wood pulp
item
layer
hydrophilic
liquid
Prior art date
Application number
TW081105268A
Other languages
English (en)
Original Assignee
Johnson & Johnson Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Johnson & Johnson Inc filed Critical Johnson & Johnson Inc
Application granted granted Critical
Publication of TW213413B publication Critical patent/TW213413B/zh

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • AHUMAN NECESSITIES
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    • A61FFILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53743Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterised by the position of the layer relative to the other layers
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    • A61F13/00Bandages or dressings; Absorbent pads
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    • A61F13/15577Apparatus or processes for manufacturing
    • A61F13/15699Forming webs by bringing together several webs, e.g. by laminating or folding several webs, with or without additional treatment of the webs
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    • A61F13/15577Apparatus or processes for manufacturing
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    • A61F2013/530007Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made from pulp
    • A61F2013/530036Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made from pulp being made in chemically-modified cellulosic material, e.g. Rayon
    • A61F2013/530051Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made from pulp being made in chemically-modified cellulosic material, e.g. Rayon being made in cross-linked cellulosic fibres
    • AHUMAN NECESSITIES
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    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F2013/530007Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made from pulp
    • A61F2013/530058Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made from pulp with specific method of producing wood pulp fibres
    • A61F2013/530065Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made from pulp with specific method of producing wood pulp fibres with chemical pulp
    • A61F2013/530087Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium being made from pulp with specific method of producing wood pulp fibres with chemical pulp with debonding agents
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    • A61F2013/530868Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterized by the liquid distribution or transport means other than wicking layer
    • A61F2013/530927Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterized by the liquid distribution or transport means other than wicking layer having longitudinal barriers
    • A61F2013/530934Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterized by the liquid distribution or transport means other than wicking layer having longitudinal barriers having a density gradient
    • A61F2013/530941Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium characterized by the liquid distribution or transport means other than wicking layer having longitudinal barriers having a density gradient through the thickness
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    • A61F13/53Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
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    • A61F2013/53739Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction with capillary means with compressed points
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    • A61F13/84Accessories, not otherwise provided for, for absorbent pads
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    • A61F2013/8491Accessories, not otherwise provided for, for absorbent pads including testing apparatus including test methods

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Nonwoven Fabrics (AREA)
  • Paper (AREA)
  • Laminated Bodies (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Description

213413 Λβ __B6_ 五、發明説明() 本玆頜城 本發明係有關製造吸收身體谚出物構造物的方法。詳 言之,本發明係有關一種含有泥煤苔物質之聯合的複合液 體吸收性结構,可用於衛生棉,尿布,失禁用襯塾,成 人紙内褲,創傷性纗帶及類似者上。本聯合之複合液體 吸收性结構一般是吸收性並且具保持力的,其液體穿透時 間相當短,並且.其存放期柑當長。本發明亦提出製造此 聯合的複合液體吸收性结構的/方法,及減低液龉穿透泥煤 苔片之時間,也提出&因老化致泥煤爸片之液體吸收特性 降解大幅减低的方法。 太玆明背軎 經濟部屮央標準局貝工消t合作社印製 (請先閱讀背面之注意事項再填寫本頁) 傳統上•作為高月經來潮煤介物之衛生棉相當厚並且體 積龐大•其含有由鬆散之親水性物質,如木漿,嫘縈或棉花 製成之吸收性核心。這些物質由於易於以低成本製造•至少 ,其在理論上具有高度吸收性能力*因而很吸引人。然而· 此類可_式吸收性產品有習知具有駸重的缺點,並不能提供 防及防污染所简之保護。詳言之,此種所使用之给缈維物 質之缺點為掖體分佈特性不佳,並且,在所有有可用之吸收 性體積内並不具有分散液體能力。因而,此吸收性液體易持 續位於吸收核心之某些部位,導致飽和與崩溃。此現象導致 液體溢流與慘瀰。 具有厚的吸收性核心之衛生棉的其它蜇要缺點為其 -3·- 本紙張尺度边用中8國家標準(CNS)甲4規格(210x297公;¢) 213413 Λ 6 13 6 經濟部中央標準β工消费合作社印製 五、發明説明() 未能密切地適合並循箸人體之輪郸與未能達成衛生棉之液體 可透面與衣服外皮間最適接觸面,致襯墊不佳,增加液體由 衛生棉邊緣摻漘與弄髒衣服之可能性。 為解決上述問題,已發展出多種較薄與更具撓性之衛 生棉,具更阽適性,舒適性與自在性,且有充分的吸收 性提供有效的月經保I» 。衛生棉所用之吸收性核心包含佔 大比率之掻小孔及毛細管之K縮的水_泥煤笞物質*使其 具有吸收相當液體量的ιέ力。此泥煤若物質吸收液體時會 〆 膨脹,然而,膨脹並不會降低進一步吸收液體的能力。此 外,因吸收性核心吸收液體所致之膨脹一般會在使用時雒 持其吸收性结構之结構完整性、泥煤苔物質也具有獨特的 ”乾燥”鄰近物質之能力,係藉著持缅自其中拉或吸液體一 段長時間,致所有液體實質被集中,並且在整痼泥煤苔核 心被吸遍。 雖然泥煤物質有某些高度希望之液體吸收待性,俱其 卽具有柑當低之液Β通1.時-辟〇此項缺點在液體釋 放速率高的時候尤為明顯。尿失禁是其中例,其體液湧流使 得唯有具有超短液賵穿透時間之吸收性结情才能予以容納。 為了使泥谋苔吸收性層適合此種用途,一般是在泥谋 % 若層中提供一種高度可透之絲狀掖脰傳避厢.其功能是快 速搜集,随後將此掖體送速泥煤若層。此楢複合吸收性構-4.- (請先閱讀背面之注意事項再填寫本頁) 裝· 訂 線· 本紙張尺度逍用中S國家標準(CNS)甲4規格(210x2讥公垃) 213413 Λ 6 136 經濟部屮央楳準局A工消费合作社印製 五、發明説明() 中惲出的掖體由於其离度之多孔網狀,將冋時進入到傳遞層 中。經由毛細管作用*液體由傳遞層移向离度兹吸性之泥煤 笞層·因而其間產生實質较吸能力之差異。開始時在泥煤笞 物質之接受速率下,液醴移動受到良好地控制•然而,傳避 層對於泥煤笞層接受液體之助益仍有限制。在某些情況下, 例如尿液失禁,當液體湧滾多時,傳避層與泥煤層間之控制 移動過程受到妨礙,因為惲於吸收性结檐上之液體量穿過傳 避層,並且開始在泥煤笞層上累積成一凝聚體,很可能導致 湓流滲漏。 由於老化,泥煤苦物質也可能會失去其親水性。剛生 産時,泥煤苦物質片具有強烈的親水性,然而,随箸時間 逝去,泥煤笤物質逐漸失去其吸收水分之親和性,而在其 表面産生厭水性障壁。因而.目前使用泥煤苔之吸水性産 品較樂觀適用期爲短。若這些産品未在其預定適用期使用 .可能會部分或完金失去其預定功能吸收劑的效力。 本發明之一目的係提供一棰含有泥煤苕物皙·>庥腰瓶此 性结構及其裂造的方法•此吸收性结構係用於可_式吸收性 *-·I - φ—.. II. jii.imnr~l" t T 產品,如衛生棉,尿布,成人紙内補,失禁用襯墊,創傷性 绱帶及其類似者,其後1&為掖鱧穿诱時間婼•乃县有异時朋,彭直'鼠吸Jim 本發明另一項目的傜提烘一種城拥―矽网 s有效降低由於老化致泥煤苔物質之液-5.- (請先閲讀背面之注意事項再塡寫本頁) 裝· 訂' 線- 本紙張尺度逍用中國困家標準(CNS)甲4規格(210x297公龙) Λ 6 136 213413 五、發明説明() 體吸收持性降解的方法。 古转明粧要 本發明前述目的係提供一種薄的液體吸收性结構•包 括高度吸收性及较吸性之泥煤笞物質,具有改善之液體穿透 時間與增長其存效期,據此,目前已完成木發明組成物’產 品與方法。 依據本發明目的,如具85實施例與此處所述者,本發 明之持戡為一種释合的複合液體卩及收性結構,包括: ........... ,_II '""f·11111柳"·** 1 ' ........................................................... _ ——親水性绻雒傳遞層;及 .——具有較傳遞層密度高之泥煤苔物質貯存層,此傳避層 與貯存層绖由一擴散交结面連接在一起,生成^ 煤若並11佈親水性之共有三維分界線區域,該分界 —-〜 综區域使此傳避層與貯存層之間達成密切之液體連通關 係的情況。 此吸收性结構之高度理想的特性為傳遞與貯存層間之 擴散界面具有3三維匾域.其傜親水性绡維互相貫穿於泥 煤苔物質之表面,g:層與_頂之間防止 用時脱4#·^一此外,此擴散界面在不同之液腊吸收介質間 生成一逐漸的過渡區域.铦箸提供較厢壓吸收性结搆較® 阻力與層與層間快與陡然之轉爱.使液腊通道有較低I1且力 .致降低此貯存層之液體痈透時間。 較佳具腊莨施例中,此親水性绻維與泥煤苔物質 - 6. - 本紙張尺度边用中國國家標準(CHS)甲4規格(210父297公犮) c請先閱讀背面之法意事項再塡寫本ί -装. 經濟部屮央標準而貝工消费合作社印製 Λ 6 Β6 213413 五、發明説明() 氫铤在三雒分界線區域聯合。三維分界線區域交雜的性質 (請先閱讀背面之注意事項再填寫本頁) 使其具有機械缈雒之结合作用,增強層與層間鍵之強度。 本發明吸收性结構之優點為能長時期維持其優良之液 體吸收特性。傳睹層使用绻維物質能長時期保持對水之強 力親和力,例如,使用雜維素木漿,因老化致存層表面産 生不希望有之排斥水的障壁,可因貯存層表面為親水性绻 維穿透,開啓其结構,引致液體進入包括貯存層之泥煤苔 物質中而抑制之。 / 因而,使用本發明原理之可_式吸收性產品有非凡之吸 收性,由於其立即捕播釋出的掖體,因而有相當短的液體穿 透時間•並且具有相當長之存放期。 本發明亦提供一種增強泥煤苔物質層之液體吸收持性 的方法,本方法包括之步駭如下: -在該泥煤苔物質之層上塗一層較該泥煤苔物質層密度 低之親水性缫維物質; 經濟部屮央標準局Μ工消费合作社印製 -在該層間生成一含有泥煤苔物質並散佈親水性缈維之 三雒分界線區域,該分界線區域使此屑之間速成密切 之液體迪通關傜的倩況。 ' 本發明亦提供一種製造聯合之液脰吸收性结構的方法 ,包括之步驟如下: -在水含毋不超過無水分泥煤苔物質简ai s約11 之泥 煤苔物質靥上,塗一層水含量不超過無水分親水性缒雒層 -7.-本紙張尺度逍用中國國家標準(CNS)甲4規格(210x297公釐) 21341^ Λ 6 Π 6 經濟部中央楳準局貝工消費合作社印製 五、發明説明() 重量約7¾之親水性纖維層,及 -移除該層邊界面間之水.使此親水性绻維與此坭煤苔 物質間得以建立氫鐽,將各層聯合成為具有密切液體連通 之關偽。 較佳具體實施例中,親水性绻維層與泥煤苔層各以濕 性敷設生成。去除該層水份使其逹到所希望之水含置程度 ,將其重《與共同滾壓,使其間產生一ffl久結合。Μ滾. 壓操作對各履作機械壓縮有二目的為*首先·將屑與層 間界面之水分排除以産生氫鍵連接,其次,使這些層互相 貫穿産生一三线黏附區域。 本聯合之複合液體吸收性結tfl進行機械軟化,如穿孔壓 花與撤壓波紋•其優點為增強其撓性及舒適之潛力。亦可進 行強度之機械加工而不致使吸收性结構剝離·其係藉著機械 绡維結合作用之肋*使哏收性層以氫鍵結合。 本發明提供一?雇可索式吸收性產品,如衛生棉,尿布, 失禁用襯墊•成人紙内神,創傷性绷帶及其類似者,包括: -—液腌可透性蓋Μ ; . ——液體不滲透性物質之背材料片, -一介於該二片間之聯合的複合液體吸收性結構,此吸收性 結搆包含: a) —親水性纖維之傳通層;及-8.- (請先閲讀背面之注意事項再填寫本頁) 裝· 訂_ 線- 本紙張尺度逍《1中BS家標準(CNS)〒4規格(210X297公垃) 經濟部屮央梂準局β工消費合作社印製 213413 Λ 6 __ η 6_ 五、發明説明() b)—泥煤苔物質之貯存層,此貯存層較傳遞層密度高 ,該層傜以面對面之關偽,經由一擴散交结面連接 在一起,生成一含有泥煤苔並散佈親水性維雒之共 有三維分界線區域,該分界線區域使此傳避層與貯 存層之間達成密切之液體連通關傜的倩況。 圃様筋沭 -圖1俱聯合之複合液體吸收性结構之jg視圖,傜依本 , 發明建造; -圖2傜圖1所示吸收性结構之理想楢剖面圖,更詳細 呈現本吸收性结構之傳遞與貯存層間绡雒層次之彼此 關係; -圖3傜用於製造欣據本發明聯合的複合液體吸收性结 構之共同浪S設備的透視圖;及 -圖4傜一衛生棉併入依據本發明之聯合的複合液體 吸收性结構的部分透視圖。 較样具胯例詳细紗沭 參閲圖1 ,參考數字10表示一聯合的拔合掖gg吸收性 结構,係本發明原理之具腊化。詳言之,本吸收性结構 10包括一親水性谢雒物質之傅避層12,其緊密地與包括泥 煤苔物質之較猎的貯存層1 4結合。本吸收性结〇有大的 容员,高的1?5體吸收速率,並能畏時期排持其額外之液腊 吸^持性。 -9.- 本紙張尺度逍用中國Η家榣孕(CNS)>F4規格(210x297公龙) (請先閲讀背面之注意事項再填寫木頁) 裝· Λ 6 Η 6 213413 五、發明説明() 傳越層12之功用是吸收81液,並保留液體直到較稠密 的貯存層14有機會吸收它。傳遞層12是由绡維素絲狀物質 ,如硫酸鹽、亞硫酸鹽、或牛皮紙木漿•鬆解之木漿,未經 漂白之木漿或經氣化方法或過氧化氫漂白之木漿•熱機製本 漿或化學熱機製木漿。 傳避層12可為1 維素木漿-或含有慘..MM, 棉绡雒或可撓性泡棉(即胺基醚或低保留沫)之餓維素漿。其優 點為:傳遞層1 2可依使傳避/層穩定之目的而由缈雒素木漿 與熱塑性雜維之接合物所組成。例如,具有適當長度與強 度之聚烯缈维,如低密度聚乙烯,或具聚乙烯或聚酯核之 雙成分绡雒及較低熔點聚烯,或聚丙烯,聚乙烯醋酸乙烯 酯或其它聚烯绻Μ或熱塑性漿等效物或其類亦可使用。绡 维素漿中摻入如潘雒增加了傳遞層物質之穩定性及使其保 持原狀。熱塑性绡雒對缈雒素漿之比率較佳為约1 :99到約 50:50,更佳之比率為线:97到約20: 80之間。傳避層缈維 之長度範圍,由磨碎的木漿長度為約0,0117英吋到穩定性 熱塑锇维為约3英吋。較佳為•若傳遞層12欲由熱结合方式在 绡雒之接味點穩定該绡雒之長度為約0 . 2 13英吋到约JL英 '吋。 —傅Μ屑1 2之谢維物質對快速吸·1ί!水為親水性的,若 此锹維之親水性不充分.可以表而活性劑處理此锹雒物質 以增加其可濕性。 -10.- 本紙張尺度边用中困Β家標準(CNS)肀4規格(210x297公;a:) (請先閲讀背面之注意事項再填寫本頁) 裝· 線. 經濟部屮央梂準局貝工汸费合作社印51 經濟部中央櫺準局貝工消费合作杜印製 213413 Λ 6 ___1^6____ 五、發明説明() 較佳為傳避層12之基重範圍由约每平方尺15克(g/m2 )到约500 g/m1。更佳為傳遞層基重的範圍由約100 s/nf 到約225 g/m2,最佳為基重之範圍由约USg/m2到約 1 7 5g/nf 〇 傳避層12之密度的範圍在毎平方英吋(Psi )0.05磅壓 力下,由約每立方公分0.05克(g/cc)到約0.45 g/cc。更 佳為,其密度的範圍在0.05 psi壓力下為約0.10 g/cc到 约0.25 g/cc。最佳為密度的範圍在0.05 ps丨壓力下為約 0. 12 g/cc到约 0. 15 g/cc。 較佳為,傳IS層12的厚度在〇_ 05 psi壓力下之範圍由 约0.03英时(in)到约0.75英吋。更佳為,在0.05 psi壓力 下,厚度之範圍由约0.05英吋(in)到约0.50英吋。最佳為 ,厚度之範圔在0.05 psi壓力下為約〇.〇δ英吋到約0.25英 时。 與傳姥層12緊鄰並結合者為貯存層14。貯存層14為具 有細孔之高密度液體吸收性層.其有高的掖體保有能力· 並且相當具有保持力。本質上,其係作為毛細管泵•可將液髖 启傅趑層1 2位出來。 貯存眉1 4之製造是由魈缔的水蘚泥煤爸物質I欣美國 專利第4.473,440號.係由K. Ovans,在1984年9月25曰發 表,及其所參考之專利中敍述的方法製成的。ΊΤ?存層14也 可以下述任一項美國專利製造,如美國珥利第4 , 1 7 〇,5 1 5 -11.- 本紙張尺度边用中國B家標孕(CNS) TM規格(210x297公釐) (請先閲讀背面之注意事項再填寫本頁) 裝- 線· _[£6_ _[£6_ 經濟部屮央標準局β工>«費合作社印製 213413 Λ 6 五、發明説明() ,<1-^[3丨311〇6以6等人,1979年發表,第4,226,232號, Y Levesque, 1990 年 10 月 7 日發表,第 4,2 1 5,692 號,Y. Levesque, 1 980年 8月 5日發表,第 4,507,122號.Y. Levesque, 1 985年 5 月 26 日發表。 此貯存層在其混入缕維之成分,美國專利第 4.473.440號中曾予以敘述。减.汾適宜為无然或、合j 的激物級維..如媒、紫嚴雜」聚酯,耐编,丙烯酸或其類似 's 、' f ......... * y 物,其長度由约0.25到1.5英吋,最佳為約0.5英吋及登尼 爾由约1.0到5。绡維成分之量可為约2到20¾重,最佳為4 到8丨。i/p.湛…苔I質tt可包括其它成分,如木漿,合成的木 L—熱i製本龙姐1,…獻 聚,.,合 梭„,.—1面活性截,起吸收性及其韻似者" 較佳為貯存層之基重範圍由約25 g /Ilf到約700 g/m2 。更佳為貯存層之基重範圍由约100 g/m2到约300 g/m2, 最佳為.基重範圍由约125 g/m2到約200 g/m2。 在0.05 psi壓力下,貯存層之密度的範圍由約0.05 g/nf到约0.5 g/cc·更佳為.其密度之苑圆在〇.〇5 pSi(g 下由约0_10 g/cc到约〇·35 g/cc。最佳為,在0.05 psi壓力下密度之範圍由約0.20 g/CC到約〇.3〇 g/cc。 $文佳為在0.0 5 p s i歷力下貯存層之厚度的吨圃由約 〇 · 〇 5英吋到约0 · 7 5英时。更佳為在0 . 0 5 p s i丨5?力下.厚度 的範圔由约0.08英时到約0.5英吋。最佳為在〇.05 psi鞑 -12 - 各紙5*:尺度边用中Η Η家棕準(CNS)«F4規格(210X297公龙) · " (請先閱讀背面之注意事項再填窝木頁) 裝- 線· 經濟部屮央梂準局貝工消费合作社印製 213413 Λ 6 _________ 五、發明説明() 力下厚度的範圍由約〇 · 1 2英吋到約0.2 5英吋。 本發明之一重要戢點為傳遞層1 2與貯存層14之間緊密 接觸。其待獻在圖2中作了最佳地閫示,其為傳避層12與 貯存層1 4間界面高度放大之理想化切横切而圖。為了以肉 眼區分吸收性结構10之不同材料,傳遞層12之親水性绻維 以淡的濰雒绻出,而貯存層14之泥煤笤物質以暗色绡維绻 出。要了解的事是:此圖酵僅作為閜示之目的,而不需與 層12與14之真正材料结構一致。 傳遞層12與貯存層14沿箸擴散之界面踅合,由一層到 其它層逐漸變遷。界面16為一含有泥煤苔物質並散佈 . .....------------------- 一 m. ....... 親水性敗.維之写維分、IL線區.城* 值得注意的是:泥煤苔物 muHIiI I------一-. - 質之濃度向下方增加,由液體傳避層12向貯存層14為一正 濃度悌度之泥煤苔物質。 傳避層12之親水性缈維與貯存層14之泥煤苔物質以氫 逭茳界挖此聯合.其傜一強而緊密之黏附。鍵強度 由於界面1 6之交雜特性,受到機械性m緋结合作用加強。 材料之结合明顙改進液體穿透貯存層14的時間。傅Μ原 、1 2所含之液腊由於親水性锹雒穿透泥煤苻物質的表而,開 啓其結構,並提供一導入之作用,包括Fl丨於其對水之親和 力.使掖脰進到泥煤物質中•致能容易進到貯存屑14之中。 相較之下,具有鮮明界而吸收性结構,液腊傅®厢之谢維 並不透入貯存層,由於液體由傅避層ϋ入,突然遇上碉密 -13.- 本紙5fc尺冬边用中國國家楳準(CNS) ΤΜ規格(210X297公龙) (請先閱讀背面之注意事項再填离木頁) 裝· 線- 五、地發獅(存 Λ 6 Β6 層網狀物,無傳遞層穿雜維所生成通道之肋較 間,致液體通道 圖式間示製'造吸 層14以濕式敷設 之抗力較高。 不能穿透其 圖3以 層12與貯存 水使各網達到目檫之水含量程度。隨後,將此網重昼並以 收性結構1 0的方法。液體傳Μ 各生成連缅性網。該網随後脱 —組重疊滾輪,施以相當之壓力進行共同滾壓,將水由網 及同時丨吏此層間 親水性绡雒與泥_ 互嚙合作用使此 彼此交互貫穿,因而使交互貫 狀物排出~ 穿.區域中之 I_因绡雒交 合作用使這 的结構,其 缈雒素木漿用於傳避層12時,滾壓前,纲狀物之目標 煤苔物質間得以產生篇鍵,。並 層間以機械結合。藉箸機械结 些氮铤緊密將纲狀物结合在一起.得到一聯合 可抵抗強烈的機械加工而不會剝離。 (請先閲讀背面之注意事項再蜞寫木页) 經濟部中央橾準局员工消贽合作社印製 水含量的範圍佔纲中绡維素重之7¾到113:。泥煤苔物質之 較佳水含量的範圍佔不含水之泥煤苔纲狀物重由约113:到 約 15J;。 绡雒素漿與泥煤苔物質各別之水含最莨質低於7U;與 1 15:,此將妨礙氫鍵之生成、谢雒素漿與泥煤苔物質各別 之水含S增加超過1 U與1 5¾之上限,基於筲際理由乃為所 不希望的,最主要是因為细狀物之液體增加會睦生處理上 之問題。 為了弄軟,軟化並改良吸收性结侦之谐性,可進行機 诚加工,如美固專利授褓给値人産品公司,第4, 596 . 567 -14.-衣紙尺度逍用中國Η家榀準(CNS) T4規格(2]0x297公址) 經濟部屮央楳準局ex工消费合作社印製 於* ΛΟ _ Π 6_ 五、發明説明() 號與鋩/1.559,050號一各於1986年6月24日及1985年12月 17日中所述之穿孔壓花與榭壓波紋法。 詳言之*穿孔K花操作法係以切變作用操作,在吸收性 结mio之多處點上,局部破裂继維網之完整性,之後•此吸 收結搆具有交雜網眼搰紋的锟通過,使此吸收性結構横向與 縱向隆起。此產生之壓花線構成植纽線,相當地增強吸收性 結構之摈性。 撤壓波紋操作與穿孔壓花操作似,不囘之處為未進行打 孔。此吸收性结搆僅進行壓紋操作以製成密切間隔之樞纽 線。 圖4圖解一加入本發明吸收性結構之衛生棉。此衛 生棉以參考编號17指示,包括一封套18·表明一内部空間吸 收性结m 10。此封套18包含一由不餓布或任何其它適用之多 孔性網狀物構成之蓋層20,及一液腊不可透性背層22,其係 由如聚乙烯膜構成。此蓋層20及背層22沿其遴界位置熱封。 為使衛生棉1 7附於穿者之襯楝,可使液體不透性背 層22披覆有不樓透材料之膠黏區域(未於圖中顯示)。 依拽本發明之衛生棉· 發現其具有高度之液體吸 收能力及高度掖腊穿透速率.降低了突然有大贵液腊釋於 衛生棉之不利風險,此外.衛生棉在相常畏期問仍能 維持其吸收性質,增加此産品•之存放期。 ^**·^·····»·····*^ -15.- 本紙張尺度边用中a Η家標準(CNS)甲4規格(210x297公*) (請先閲讀背面之注意事項再墦寫木頁) 裝. 線- 213413 Λ 6 __ Π 6_ 五、發明説明() 本發明範圍不限於此處所述2實施例及提示之用途, 可在不違背本發明精神下作修改。 本産品之應用及本發明方法,作為衛生及其它健康« 療者有目前或未來為本技藝人士習知之衛生保護.失禁, S藥及吸收收方法與技術。因而.本發明擬將本發明之改 良及變化涵蓋於提出之專利範圍及其同等物之中。 (請先閲讀背面之注意事項再碭寫本頁) 裝, 訂- -線< 經濟部中央楳準局员工消贽合作社印驭 -16.- 本紙張尺度边用中8 B家榣準(CNS)TM規格(210X297公;¢)

Claims (1)

  1. 、申靖專·列範圍 補充 A7 B7 C7 D7 1-¾勝合之棋合液體吸收性结構包括: ~ —親水性缈維之傳班層;及 ••一泥煤苔物質之貯存層,該貯存層真有較傳避層更高 之密度•該傳适層與貯存屑經由擴散交结面連接在一起· 生成一含泥煤笞並散佈親水性锹維之共有三維分界線區域 ,該分界線區域使該二層之間達成密切之掖體連通關係时 情況。 2. 如申請專利範圍第1項之聯合之複合液體吸收性结 構,其中,此親水性餓维與泥煤笞物質傜以氫鍵在三雒 分界综區域以氫鐽结聯合。 3. 如申請專利範圍第1項之聯合之複合液體吸收性结 構,其中,此親水性雜維與此泥煤苔物質在該三維分界 4 線區域中係以機梂式互鎖结合。 4 ·如申請專利範圍第1 項之聯合之複合液體吸收性结 構,其中,此吸收性结構傜以機槭軟化以增加其撓性。 5.如申請專利範圍第1項之聯合之複合液體吸收性结 構,其中,此吸收性結構是Μ選自由穿孔壓花與撤壓波紋 的方法群之方式進行機械软化。 ......................................................it (請先閱讀背面之注意事項再填窩本頁) 經濟部屮央標準局月工消贽合作社印製 項 聯 结 性 收的 吸 0 脰存 液 貯 合 該 拔到 之 層 合 避 傳 該 之 自 域 區 1 線 第界 圍分 範此 利 * , 專中 請 其 申, 如淸 向 方 •線· 度 梯 度 密 質 1 物第 苔 圍 煤範 泥利 的專 正請 1 申 有如 聯 之 項 17. 结 性 吸 體 液 合 拔 之 合 本纸張尺度適用中g Η家標準(CNS)T4規格(210x297公釐)
    i 本·平月 日 六、申請專利範面 構,其中,此傳拯層包括經表面活上劑處理之维維。 (請先閱請背面之注意事項再堪荈本頁 8 .如申請專利範圍第1項之聯合之複合液體吸收性结 構,其中,此傳避層包含S自下列組成群之物質:硫酸 鹽,亞硫薛鹽,绖去键结,經漂白,未绖漂白,牛皮紙 木漿,熱機製木漿.化學熱機製木漿,經氣方法漂白之 木漿,缇過氣化氫漂白之木漿^ ύ 9. 如申請專利範圍第1項之聯合之複合液體吸收性結 〆 構.其中,_停皞„辱包含缈維素木漿與熱塑性纖维之慘 合物。 10. 如申請專利範函第1 項之聯合之複合液體吸牧性 结構,其中,此傳遞層厚度之範圍是在0.05 PS丨壓力 下,測得之厚度由约〇 . 〇 3英吋到约0 . 7 5英时。 11 .如申請專利範圍第1項之聯合之複合掖體吸收性 结構,其中,此傳遞層在0.0 5 p s i壓力下,測得之厚 度由约0 . 0 5英吋到约0 · 5 0英吋。 經浒部屮央櫺準局W工消贽合作社印製 1 2 .如申諳專利範圍苐1項之聯合之複合液體吸收性 结構,其中,此傳拯層在0 . 05 ps i歴力下,測得之厚 度由约0 . 0 8英吋到約〇 . 2 5英时。 1 3 .如申詰專利範園第1項之聯合之複合液龉吸收性 结搆,其中,此傳避層之基Μ範I?:丨山1 5 g / nf到约 500 s / 〇 14 .如申詰專利範圍第1 項之聯 '合之複合液體吸收性 -18.- 本紙張尺度適用中B S家楳準(CHS)甲4規格(210x297公嫠)
    經漪部屮央標準局®:工消费合作社印製 六、申請專利範圍 结構,其中,此傳遞層之基重範圍由约100 ε/πι2到约 2 2 5 g / nf 0 15.如申請專利範圍第i項之聯合之複合液體吸收性 结構,其中,此傳遞層之基重範圍由约125 g/m2到约 1 7 5 g / re2。 16 .如串請專利範圔第1項之聯合之複合掖體吸收性 结構,其中,此傳g層在〇 · 〇 5 p s i壓力下測得之密度 '範圍由约 0.05 g/cc到约,0.45 g/cc。 17.如申請專利範圍第1項之聯合之複合液體吸收性 结構,其中,此傳适層在〇 · 〇 5 p s i歷力下測得之密度 範圍由約0.1 g/cc到约0.25 g/cc。 18 .如申請專利範圍第1項之聯合之複合液_吸收性 结構,其中,此傳趑層在0.05 psi壓力下測得之密度 範圍由约0.12 g/cc到约0.15 g/cc。 19.如申請專利範圍第1 項之聯合之複合液體吸收性 结構,其中,此貯存層包括與泥A煤苔物質摻合之下列 纽成群中的物質:炫縈缈維,聚酯缈绯.刚编缈雒, 丙烯酸谢雒.木漿谢雒,合成木漿绡绯.熱撺製木漿 、 mm,化學熱機製木漿谢雒,機械細腊木漿缈绯,聚 合物,表而活性劑及超吸收劑。 2 0 .如申諳玛利範圃第1項之聯合之汉合液腊吸11¾性 .结侦.其中,此傳遞層在0 . 05 PS i脫力下測搰之厚度 -19.- 本紙張尺度適Λ中β Η家標毕(CNS)甲4規格(210x297公釐) (請先κι讀背面之注意事項再填寫本百) k.
    〜、申請專則範園 範圍由约0.05英吋到約0.75英吋。 2 1 ·如申請專利範圍第1項之聯合之復合液體吸收性 结構,其中,此貯存層在0.0 5 P s i歷力下測得之厚度 的範圍由约0 . 〇 8英吋到约0 . 5英吋。 2 2 ·如申請專利範圍第1 項之聯合之拔合液體吸收性 结構,其中.此貯存層在0 · 0 5 p s i睽力下測得之厚度 的範圍由约0.12英吋到約0.25英吋。 2 3 .如申請專利範圍第1请之聯合之複合液體吸收性 结構,其中,此貯存層之基重的範圃由约2 5 b / m2到 7 0 〇 g / m2。. 24.如申請專利範圍第1項之聯合之複合液體吸收性 结携,其中,此貯存層之基重的範圍由約100 g/m2到 3 0 0 g / nf 〇 25 .如申請專利範圍第1項之一種聯合之複合液體吸牧性 结構,其中,此貯存層之基重的範圍由约1 2 5 s / πι2到 {請先閱讀背面之注意事硕再填寫本頁) ο ο 2 ΠΓ 經濟部屮央標準局员工消赀合作社印製 第 圍 1C, 利 中 專其 *π to 丨 申 構 如結 在 05® ο 筘 约 利 由玛 圃Iff 宛 申 之如 在 13 f 结 約 由 圍 之 項 聯 性度 收 密 吸嗝 體存 液貯 合 此 之測 合 , 下 力 之睽 約 到 性 吸 液 合 拔 之 合 聯 之 項 下 力 約 到 20. •綠. 度 密 厢 存 貯 此 n;f 本纸》尺度適用中國國家桴準(CHS) T4規格(210x297公*)
    經濟部屮央標準局貝工消费合作社印製 '、、申奸專丨範面 28.如申謓專利範圍第1項之聯合之複合液體吸收性 结構,其中,在0 . 0 5 p S丨壓力下.測摴此貯存層密度 之範圍由约0.20 g/cc到约0.30 g/cc., 29· ~ m增強泥煤笞物質1之液體吸收特性的方法,包括步 驟如下: -在該泥煤苔物質之層上塗一層較該泥煤苔物質層密 度低之親水性雜雒物質; -在此二層間生成含有泥煤笞物質並散佈親水性缈維之 三維分界線區域,該分/界線區域使此二層之間達成密 切之液體連通關係的情況。 30. 如申請專利範圍第29項之方法,其中,此親水性缒維 傜與此三雒分界综區域中之泥煤苔物質以氫鍵结聯合 〇 31. 如申請專利範圍第29項之方法,其中,此親水性绻雒 與此泥煤苔物質在該三維分界综區域中偽以機娀互鎖 結合。 32 .如申請專利範圍第3〇項之方法,包括之步驟為將這些 餍以機械壓缩使此層彼此互相貫穿,並且將水自其中 排出以生成氫趙结。 33 .如申請專利範固第32項之方法,在以機诚壓縮前,該親 水性绡雒物質層之水含屋不超過無水分親水性餓Μ物 質層蜇爾之约7%。 -21.- 本纸張尺度適用中BH家標準(CNS)甲4規格(210x297公釐) -.................................................…··5t...............................打..............................& (請先聞讀背面之注意事項再填寫本頁) a A7 B7 C7 D7 六、申請專利範園 34 .如申請專利範圍第32項之方法,其中,在以機械壓缩 前,該親水性雜維物質層之水含量不超過約1U無水 分泥煤苔物質層之重量。 35 ·如申請專利範圍第29項之方法,包括之步驟為使該層 進行機域軟化的方法以增加該層之撓性。 36 .如申請專利範圍第35項之方法,其中,此機械軟化的 方法係S自穿孔壓柁與撤壓波紋的方法。 37 .如申請專利範圍第29項之·方法,其中,此親水性绡維物質包 含選自下列組成群的物質:硫酸鹽,亞硫酸鹽,绖去 _结,漂白,未绖漂白,牛皮紙木漿,熱機製木漿. 化學熱機製木漿,经氯方法漂白之木疲\及經過氣化氫 漂$之木漿。 · 38 ·如申請專利範圍第29項之方法,其中,此親水性绻維物質層 包含经表面活性劑處理之餓維。 39 .如申請專利範圍第29項之方法,其中,此親水性谢雒物質層 包含绡維素木漿與熱塑性绻雒之摻合物。 4 0 .如申請專利範圍第29項之方法,其中,與此泥煤苔物質層接 合之下列組成群的物質:嫦縈缈雒.聚酯娥維,耐编 锹雒,丙烯酸掰維,木漿雜維,合成木漿锹雒,Μ機 製木漿谢雒.化學熟機製木漿谢Μ ,機械細磨木漿餓 維,识合物.表面活性劑及超吸收劑。 41 . 一種製造聯合的複合液體吸收性结桃的方法,包括步 -22.- 本纸張尺度適用中國《家«準(CNS)甲4規格(210x297公嫠) (請先W讀背面之注竟事項再壤·"本頁) .裝. 經浙部屮央櫺準屈貝工消费合作社印製 •綠. ΑΪ濟部十央標準局貝工消贽合作社印製 A7 B7 C7 D7 A、申請專利範面 费如下: -在水含童不超過佔不含水分之親水性绡維層重量 7%之親水性m维上,塗上水分含量不超y過-佔不含 水分泥堞苔物質層重量之iu之泥煤笞物質層,及 -移除該二層之邊界面間之水•使此親水性绡雒與此泥煤 笞物質間得μ建立氫鍵•將此二屑聯合成為具有密切液 ......._ ...皞連.通么麗直丄一 42. 如申請專利範圍第41項之方法.包括之步驟為將這些 層以機械壓縮使此層彼此互相貫穿.並且將水自其中 _排出以生成氫鍵。 43. 如申請專利範圍第41項之方法,包括之步駿[為使該聪 合的複合掖體吸收性结構進行機械軟化方法以增加該 層之撓性。 〇.如申請專利範圍第4 3項之方法,其中.此機械軟化的 方法係選自穿孔S花與撤壓波紋的方法。 4 5 .如申請專利範圍第4 1項之方法,其中,此親水性缈雒 屑包含之物質傜選自下列之組成群:硫酸,亞硫酸, 绍去iU ·结.漂白,未绍漂白,牛皮纰木漿,熱機製木 *铤)化學熱機製木漿,經氮方法漂白之木漿及經過氣 化氫漂白之木漿。 4 6 .如申詰專利範圍第41項之方法•其中.此親水性绡 雒塥包含绖表而活性劑處理之缒雒。 -23.- 本紙》尺度適用中HB家樣準(CNS)T4規格(210x297公釐) (請先閲讀背面之注意事項再填萁本百) k.
    六、中請專利範圍 經濟部屮央標準局R工消贽合作社印製 47·如申請專利範圍第41項之方法,其中.此親水性绻維 層包含緲.维素木漿與熱塑性缈維之摻合物。 4 8 .如申諳專利範圍第41項之一種方法.其中,與此泥煤 苔物質層摻合之下列組成群的物質:炫縈绁雒,聚酯 雜绻,闬编锹維,丙烯酸餓雏.木漿潘維.合成木漿 缈維.熱機製木漿化學熱機製木漿織雒,機械 細磨木漿餓維.聚合物,表面活性劑及超吸收劑。 49. ~種可棄式液體吸收性産品.包括: 一一掖體可透性蓋片; -一掖體不滲透性物質之背材料片,及 --介於該二片間之聯合的複合液體吸收性结搆,此吸 收性結構包含: a ) —親水性谢維之傳避層;及 Μ—泥煤爸物質之貯存層,此貯存層較傳遞層密度 高 > 該二層傜以面對面之關係,經由一擴散交结面 連接在一起.生成一含有泥煤苔物質並散佈親水 性餓雒之共有三維分界線區域.該分界線區域使 該;:層之間達成密切之液體連通關悌的情況。 50 ·如申請專利範圍第49項之可帘式液艏吸收性產品, .其中,此親水性锹維與泥煤若物Κ在三雒分界線區 1或中傜以氮《I聯合。 51 如申請專利範圍第49項之可葙式液體吸收性產品· -24.- 本紙度適用中國《家橒毕(CNS)T4規格(210X297公嫠) (請先聞讀背面之注意事項再填寫本百) •装· •訂· A7 B7
    經浒部十央櫺準局Ε:工消贽合作社印製 •其中,此親水性缈雒與此泥煤若物質在該三雒分界 绨區域中傜以機械结合。 5 2.如申請專利範圍第49項之可薄式液體吸收性產品· .其中,此産品傜選自下列之組成群:衛生棉,尿 布,失禁用襯熱,成人''紙 内楝及創傷性编帶。 53 .如申請專利範圍第49項之可薄式掖體吸收性產品, ,其中,此吸收性结構偽以機械軟化以增加其撓性。- 54 .如申請專利範圍第53項之可棄式液體吸收性產品,其· 中·此吸收性結構是以穿孔壓花與撖壓波紋的方法進行 機械軟彳b。 U>,< ·* >» L/ \ ( w V 55.如申請專利範圍第49項之可薄式液體吸收性產品, ,其中,此親水性绻雒是選自下列組成群之物質:硫 誃盏,亞硫酸發,绖去鍵結,绖漂白,未經漂白,牛 皮组木漿,熱機製木漿,化學熱機製木漿,經氛方法 漂白之木漿,經過氣化氫漂白之木漿。 56 .如申請專利範圍第49項之可薄式液體吸收性產品’ •其中.此傳遞屑包含以表面活性剤處理之缈雒。 57·如申請專利範圍第49項之可薄式液體吸收性產品· •其中.此傅遞屑包含绡雒累木漿與熱塑性缒緋之摻 合物。 5 8 ·如申誚專利範圍第4 9項之可箝式骹腊吸收.性產品, •其中,此貯存層包括與泥煤苔物货捜之下列绀成 -2S - 本紙任尺度適用中Β Η家轘毕(CNS)T4規格(210x297公釐) (猜先閔請背面之注意事項再填蒋本百) .,Λ· •訂. ί A7 -.' B7 9Λ 一 3 DV 六、申請專利範園 群中的物質:炫紫缒雒,聚酯缈維,耐编缈维,丙烯 酸缫維,木漿锹雒,合成木漿绡雒,熱機製木漿绡雒 ,化學熱機製木漿織雒,機械細磨木漿缒维,聚合物 ,表面活性_及超吸收劑。 (請先聞讀背面之注意事項再填寫本頁) 經濟部屮央標準局月工消许合作社印¾ 26. 本纸》尺度適用中國國家標準(CNS)甲4規格(210x297公*)
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JPH07508661A (ja) 1995-09-28
NO922827L (no) 1993-01-20
CA2071318A1 (en) 1993-01-20
EP0529296A2 (en) 1993-03-03
WO1993001778A1 (en) 1993-02-04
CZ223892A3 (en) 1993-02-17
IE922345A1 (en) 1993-01-27
AU654862B2 (en) 1994-11-24

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