TW446628B - A dry laid structure comprising particulate material - Google Patents

A dry laid structure comprising particulate material Download PDF

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Publication number
TW446628B
TW446628B TW087100462A TW87100462A TW446628B TW 446628 B TW446628 B TW 446628B TW 087100462 A TW087100462 A TW 087100462A TW 87100462 A TW87100462 A TW 87100462A TW 446628 B TW446628 B TW 446628B
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TW
Taiwan
Prior art keywords
dry
web
particulate material
laminated
fibrous
Prior art date
Application number
TW087100462A
Other languages
Chinese (zh)
Inventor
Giovanni Carlucci
Ivano Gagliardi
Original Assignee
Procter & Gamble
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Publication date
Priority claimed from EP96120569A external-priority patent/EP0850616A1/en
Priority claimed from EP96120568A external-priority patent/EP0850615A1/en
Application filed by Procter & Gamble filed Critical Procter & Gamble
Application granted granted Critical
Publication of TW446628B publication Critical patent/TW446628B/en

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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
    • 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
    • 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
    • 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
    • A61F13/84Accessories, not otherwise provided for, for absorbent pads
    • A61F13/8405Additives, e.g. for odour, disinfectant or pH control
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/22Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons containing macromolecular materials
    • A61L15/24Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/60Liquid-swellable gel-forming materials, e.g. super-absorbents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/12Applications used for fibers

Abstract

The present invention relates to a dry laid fibrous structure for absorbing aqueous fluids and/or for providing odour control. The fibrous structure comprises a dry laid fibrous web and a particulate material distributed in the web and are bonded by a thermoplastic polymeric material in finely divided form distributed therein; the fibrous structures are particularly suitable for use in disposable absorbent articles.

Description

446628 Λ7 ________B7 五、發明説明.(1 ) --- 發明之領域― 本發明係關於乾式併#纖維質結構,較佳爲預定供吸收 含水流體及/或提供氣味㈣。該結構包含_乾式併疊纖維 質幅片1 一種粒子物料分布在幅片±,並藉一.種分布在其 中I熱塑性聚合材料予以黏合;丨特別適合使用於可丢棄 吸收性物品。 發明之背景 纖維質結構,特別是供吸收液體之纖維質結構,係予製 造爲供很多用途,例如其予以,合至吸收性物品,諸如可 丟棄尿片,尿失禁墊片及月經棉片,作爲流體吸收或流體 傅輸及/或擴散元件’例如作爲預定吸收及容留體液之吸收 性心層使用於吸收性物品作爲流體吸收或流體傳輸及/或擴 散元件之纖維質結構’及更明確而言,纖維質結構,通常 包含很多组份,俾改進其特定性能;例如,包含纖維及一 種粒子物料,諸如一種成粒子形式之吸收性膠凝材料之吸 收性結構,在此項技藝上爲已知者。也可包括另外之组 份,以使結構具有增加之好處。 經濟部中央標準局員工消費合作社印製 乾式併疊’更明確而言,空氣併疊法廣爲用以自乾纖維 產生幅片,其復可用作例如供吸收流體之結構。特別是, 乾式併疊指形成梳理幅片,亦即纖維予以在既定方向取向 (梳理)之幅片’而空氣併疊法指形成幅片具有完全隨機纖 維取向;此等空氣併疊幅片之特性因此略呈各向同性。藉 乾式併疊法所產生之纖維質幅片柔軟,具有撓性並多孔, 並且特別適合在吸收性物品,諸如可丟棄尿片,衛生棉 -4 - 本紙張尺度適用中國國家標準(CNS ) A4規格(210Χ:297公釐) 446 628 經濟部中央標準局員工消費合作社印製 Λ7 B7 五、發明説明.(2 ) 片’尿失禁墊片,及抹布使用作爲液體吸收性結構。 供將另外组份例如成粒子形式包括有於乾式併疊纖維質 幅片之方法’在此項技藝上也爲已知者;特別是,在u §專 利4,765,780號’説明一種方法及裝置,供形成有很多組份 之空氣併疊纖維質幅片,諸如一種二層吸收性心層,有一 層有一種吸收性膠凝材料成粒子形式均勻摻合在其中,另 —層實際無吸收性膠凝材料粒子β相似之技術可用以在一 乾式併叠纖維質幅片包括有不同類型之組份,例.如一種成 粒子,式之氣味控制裝置,俾使藉乾式併疊纖維質幅片所 構成之吸收性結構具有氣味控制之另外益處。 乾式併疊製造過程通常包含一幅片形成及成層步驟,以 及一幅片牲結及穩定步驟;在乾式併叠法,可爲任何類型, 例如纖維質,合成,或其任何組合之纖維,事實上係予形 成或凝結爲一幅片。不成纖維形式之另外组份,例如—種 粒子物料也可結合於纖維質幅片。所產生之幅片在形成後 缺少完整性,並且因此必須予以穩定a供粘結及穩定一乾 式成形幅片之不同技術,亦即機械,熱及化學點結方法, 在此項技藝上爲已知者。藉一種化學品粘結幅片結構,在 非織造業界爲最常見之枯結方法之—,並且在於施加一種 化學黏合劑至幅片及在黏合劑之固化。最廣爲使用之化學 品爲乳膠,由於其價廉’多方面用途,容易施加,並且作 爲黏合劑很有效。施加乳膠黏合劑至纖維質幅片已知若干 方法,而供預定使用於吸收性物品之纖維質幅片,以噴塗 黏結及印刷粘結爲特.別較佳。 -5- 本纸張尺度適用中國國家標準(CNS } A4規格(210X297公楚) {讀先聞讀背面之注立畢項再填寫本頁) 4衣· 訂 4 4 6 6 2b Λ7 B7 五 、發明説明-( = 相 y裝—0 • -... \ (諳先閱讀背面之注$項再填寫本頁} 齔洲申請案EP-A-592001號説明一種藉例如乳膠黏合劑所 黏合之非織造織物,包含一種熱塑性組成之"粒子”或”球,,, 排列成一不連續圖案至至少其表面之一,及有一種成粉末 形式之氣味控制材料在非織造織物之表面附加至熱塑性,,粒 子或"球"。所有氣味控制材料在‘此情形均附加至熱塑性 粒子”,並且僅存在於非織造結構之表面。 在歐洲申請案EP-A-463716號,說明一種乾式併疊吸收結 構,其包含一纖維質幅片,其中有一種吸收膠凝材料,並 藉施加—乳膠塗層至至少幅片之表面之一予以穩定。 熱粘結方法也廣爲被人們使用,俾黏合乾式併疊幅片; 此種幅片包含易熔纖維諸如雙組份纖維作爲唯一組份纖 維,或作爲一種與非易熔纖維,例如天然纖維之混合物。 藉熱處理致使其連績熔化,俾黏合幅片結構。 • H. III · .1^ 經濟部中央標準局員工消費合作社印製 國際申請案W0 94/01069號及W0 95/17868號中所説明之薄 層狀吸收性結構,一般包含二外獨立形成之纖維質層,一 般爲空氣併疊纖維素薄紙層,及一中間層,包含吸收膠凝 材料之粒子及熱塑性聚合材料之粒子,二纖維質層藉熔化 熱塑性粒子予以黏合。製造層狀結構時,纖維質層本身巳 形成及黏合,並因此構成二不同及分開之層,接合爲形成 層狀結構,而粒子物料僅分布在纖維質層之間。 化學及熱黏結方法,及其可能之组合,如果應用於其中 包含粒子物料之乾式併墨結構,特別是結合於乾式併墨結 構之粒子物料較佳爲集中在幅片厚度之中間,因此形成幅 片之一部位’其中纖維構成較低百分比時,也有某些缺 本紙張尺度適用中國國家標準(CNS ) A4規格(2】0X297公趙) 446628 Λ7 __________B7 五、發明説明(4 ) ~~ — 點。在此等情形,乳膠組成可能難以滲透幅片之厚度,以 便達到粒子,除非其使用一量爲致使其將會損害整個結構 之性能,並可能將會導致與粒子物料之消極相互作用。在 另方面,使用可溶化纖維,例如雙組份纖維,而有随後 熱處理,並不解決問題,由於纖維可能不以致使進行有效 粘結作用之量分布在粒子;而且,由於與粒子物料比較之纖 維之不同性質,在粒子物料構成混合物之較高百分比時, 頗難以達成纖維在粒子物料當中之均勻分布。熱可溶化纖 維’諸如雙組份纖維也頗爲昴貴。 經濟部中央標準局負工消費合作社印製 因此本發明之一項目的爲提供—種乾式併疊纖維質結 構,較佳爲一種空氣併疊纖維質結構.其包含一乾式併疊纖 維質幅片及一粒子物料,並且有配合柔敕性之良好完整 I·生本發明之乾式併疊纖維質結構可用作供吸收流體之吸 收性結構,較佳爲另外能控制所吸收之流體相關之氣味。 ,吾人意外發現,一種成細微分開形式,較佳爲成粒子或 卷末形式之熱塑性聚合材料,可有效分布在粒子物料當中 及至少部份在乾式併疊幅片之纖維當中 熱:性聚合職化,並因此在幅片内造成一分 I架構,亦即在成細微分開形式之熱塑性聚舍材料已分布 之纖維及粒子物料當中,而不由於熱塑性粒子之很小尺寸 而實際改變粒子物料本身之有效性。<吏用成細微分開形式 (熱塑性聚合材料,也可與一種傳統乳膠粘結合併,例如 熱塑性粉末進行較佳爲乾式併疊幅片内部之枯結,施加減 少量 < 乳膠使乾式併疊幅片之外表面穩定。要不然,乾式 (CNS ) A4規格(210x297公釐) 經濟部中央標準局員工消費合作社印製 4 4 6 628 Λ7 _______ B7 五、發明説明.(5 ) 併疊幅片可成細微分開形式之熱塑性聚合材料均勻分散於 整個幅片内,然後並藉熱處理使其熔化而予以整個黏合。 發明之概述 本發明係關於一種乾式併疊纖維質結構;該乾式併疊纖 維質結構包含一乾式併疊纖維質幅片,有一第一表面及一 對準爲大約相反於第一表面之第二表面,以及—種粒子物 料分布於幅片中。該乾式併疊纖維質結構另包含一種成細 微分開形式之熱塑性聚合材料分布在其中,以便將粒子材 料黏合至乾式併疊纖維質幅片之纖維。 附圖之簡要説明 雖然説明書係以申請專利範園結尾,特別指出本發明, 並就其分別申請專利,但吾人相信,自下列説明配合下列 附圖,將會較佳瞭解本發明: 圖1爲根據本發明作成纖維質結構之裝置之示意,片段側 裸圖; 圖2爲一根據本發明之纖維質結構之放大,剖面圖; 圖3爲根據本發明作成纖維質結構之一種替代性實施例之 裝置之示意,片段側視圖; 圖4爲根據本發明之纖維質結構之一種替代性實施例之放 大,之剖面圖。 發明之詳細説明 本發明係關於一乾式併疊纖維質結構,較佳爲預定供吸 收含水流體及/或提供氣味控制。該結構係藉—乾式併疊纖 維質幅片所構成,包含—種粒子物料’並藉一種分布於在 本紙狀心对 (請先閱讀背面之注意事項再填寫本頁)446628 Λ7 ________B7 V. Description of the invention. (1) --- Field of invention-The present invention relates to a dry-type and #fibrous structure, preferably for absorbing aqueous fluids and / or providing odors. The structure contains _ dry-laminated fiber webs 1 A particle material is distributed on the web ± and is bonded by a kind of I distributed in the thermoplastic polymer material; It is particularly suitable for use in disposable absorbent articles. BACKGROUND OF THE INVENTION Fibrous structures, especially fibrous structures for absorbing liquids, are manufactured for many uses, for example, they are applied to absorbent articles such as disposable diapers, urinary incontinence pads and menstrual cotton pads, As a fluid-absorbing or fluid-transporting and / or diffusing element 'for example as an absorbent core layer intended to absorb and hold body fluids for use in an absorbent article as a fibrous structure of a fluid-absorbing or fluid-transmitting and / or diffusion element' and more specifically In other words, a fibrous structure usually contains many components to improve its specific properties; for example, an absorbent structure containing fibers and a particulate material, such as an absorbent gelling material in the form of particles, is already known in the art. Knower. Additional components may also be included to provide added benefits to the structure. Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs Dry-stacking 'More specifically, the air-stacking method is widely used to produce webs from dry fibers, which can be used, for example, as structures for absorbing fluids. In particular, dry lamination refers to the formation of carded webs, that is, webs whose fibers are oriented (carded) in a given direction, and air lamination refers to the formation of webs with completely random fiber orientation; The characteristics are therefore slightly isotropic. The fibrous web produced by the dry lamination method is soft, flexible and porous, and is particularly suitable for absorbent articles, such as disposable diapers, sanitary napkin-4-This paper size applies to Chinese National Standard (CNS) A4 Specifications (210 ×: 297 mm) 446 628 Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs Λ7 B7 V. Description of the invention. (2) Sheets of 'urinary incontinence pads' and wipes are used as liquid-absorbent structures. A method for including additional components, such as in the form of granules, in dry-laminated fibrous webs is also known in the art; in particular, u § Patent No. 4,765,780 'describes a method and apparatus for An air-laminated fibrous web with many components is formed, such as a two-layer absorptive core layer, and one layer has an absorbent gelling material uniformly incorporated in the form of particles, and the other layer is practically non-absorbent gelling. Material particles β similar technology can be used in a dry-laminated fibrous web to include different types of components, such as a particle-formed odor control device, using dry-laminated fibrous webs The absorbent structure has the additional benefit of odor control. The dry cascading manufacturing process usually includes a sheet formation and layering step, and a sheet sizing and stabilization step; in the dry cascading method, it can be any type, such as fibrous, synthetic, or any combination of fibers. The upper system is formed or condensed into a single sheet. Other components in a non-fibrous form, such as a particulate material, can also be incorporated into the fibrous web. The resulting web lacks integrity after being formed and must therefore be stabilizeda. Different techniques for bonding and stabilizing a dry-formed web, namely mechanical, thermal, and chemical sintering methods, are already in this art. Knower. Bonding a web structure with a chemical is one of the most common deadlock methods in the nonwovens industry—and it involves applying a chemical adhesive to the web and curing the adhesive. The most widely used chemical is latex, which is easy to apply due to its versatility, and is effective as an adhesive. Several methods are known for applying latex adhesives to fibrous webs, and fibrous webs intended for use in absorbent articles are spray-bonded and printed bonded. Especially preferred. -5- This paper size applies to Chinese National Standards (CNS) A4 size (210X297). {Read first, read the notes on the back, and then fill out this page.) 4 Clothes · Order 4 4 6 6 2b Λ7 B7 V. DESCRIPTION OF THE INVENTION-(= phase y equipment—0 • -... \ (谙 read the note on the back of the page before filling in this page) Weizhou application EP-A-592001 describes a kind of adhesive bonded by, for example, a latex adhesive Non-woven fabric, comprising a "composite particle" or "ball" of thermoplastic composition, arranged in a discontinuous pattern to at least one of its surfaces, and having a powdered odor control material attached to the surface of the non-woven fabric to the thermoplastic Particles or "balls". All odor-controlling materials are 'attached to thermoplastic particles in this case' and are only present on the surface of the nonwoven structure. In European application EP-A-463716, a dry-type and A laminated absorbent structure comprising a fibrous web, in which an absorbent gelling material is stabilized by applying a latex coating to at least one of the surface of the web. Thermal bonding methods are also widely used by people, 俾Adhesive dry and stacked webs; this The web contains fusible fibers such as bicomponent fibers as the sole component fiber, or as a mixture with non-fusible fibers, such as natural fibers. The heat treatment causes them to melt continuously and stick to the web structure. H. III · .1 ^ The thin-layer absorbent structure described in the International Consumer Applications WO 94/01069 and WO 95/17868 printed by the Consumer Standards Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs generally includes two fibrous layers independently formed Generally, it is an air-laminated cellulose thin paper layer, and an intermediate layer containing particles that absorb gelling material and particles of thermoplastic polymer material. The two fibrous layers are bonded by melting thermoplastic particles. When manufacturing a layered structure, the fibrous layer It itself is formed and bonded, and thus constitutes two different and separated layers, joined to form a layered structure, and the particulate material is only distributed between the fibrous layers. Chemical and thermal bonding methods, and their possible combinations, if applied The dry inking structure containing particulate materials, especially the particle materials combined with the dry inking structure, is preferably concentrated in the middle of the web thickness, because Form a part of the web, where the fiber composition has a low percentage, there are some paper sizes that are not suitable for the Chinese National Standard (CNS) A4 specifications (2) 0X297 male Zhao 446628 Λ7 __________B7 V. Description of the invention (4) ~~ —Point. In these cases, the latex composition may have difficulty penetrating the thickness of the web in order to reach the particles, unless it is used in an amount such that it will impair the performance of the entire structure and may cause negative interactions with the particulate material. On the other hand, the use of solubilized fibers, such as bicomponent fibers, and subsequent heat treatment does not solve the problem, because the fibers may not be distributed in particles in an amount that causes effective binding; and Comparing the different properties of the fibers, it is difficult to achieve a uniform distribution of the fibers in the particulate material when the particulate material constitutes a higher percentage of the mixture. Thermally soluble fibers' such as bicomponent fibers are also quite expensive. Printed by the Office of the Central Standards Bureau, Ministry of Economic Affairs and Consumer Cooperatives. Therefore, one of the items of the present invention is to provide a dry superimposed fibrous structure, preferably an air superimposed fibrous structure. It includes a dry superimposed fibrous structure. And a particle material with good integrity and flexibility. The dry-laminated cellulosic structure of the present invention can be used as an absorbent structure for absorbing fluids, preferably it can also control the odors associated with the absorbed fluids. . I unexpectedly found that a thermoplastic polymer material in a finely divided form, preferably in the form of particles or rolls, can be effectively distributed in particulate materials and at least partially in the dry and stacked web fibers. And thus create a one-point I structure within the web, that is, among the fibers and particulate materials in which thermoplastic thermoplastic materials have been distributed in a finely divided form, without actually changing the particulate material itself due to the small size of the thermoplastic particles Effectiveness. < Used in finely divided form (thermoplastic polymer material, can also be combined with a traditional latex, for example, thermoplastic powder is subjected to dry knots preferably inside dry-laminated webs, and a reduced amount is applied < latex to dry-laminate The surface outside the web is stable. Otherwise, dry (CNS) A4 size (210x297 mm) Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs 4 4 6 628 Λ7 _______ B7 V. Description of the invention. The thermoplastic polymeric material, which can be divided into finely divided forms, is uniformly dispersed throughout the web, and then melted by heat treatment to be completely bonded. SUMMARY OF THE INVENTION The present invention relates to a dry-laminated fibrous structure; the dry-laminated fibrous structure The structure includes a dry-laminated fibrous web, a first surface and a second surface aligned approximately opposite the first surface, and a particulate material distributed in the web. The dry-laminated fibrous structure is another Contains a thermoplastic polymer material in a finely divided form distributed in order to bond the particulate material to the fibers of a dry, stacked fibrous web. Brief description Although the description ends with a patent application park, specifically pointing out the invention and applying for patents separately, I believe that the invention will be better understood from the following description and the following drawings: Figure 1 is based on Schematic diagram of the device for forming a fibrous structure according to the present invention, with a fragmentary side view; Figure 2 is an enlarged, cross-sectional view of a fibrous structure according to the present invention; Figure 3 is an alternative embodiment of a fibrous structure according to the present invention Schematic view of the device, fragment side view; Figure 4 is an enlarged, cross-sectional view of an alternative embodiment of the fibrous structure according to the present invention. DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a dry-stacked fibrous structure, preferably It is intended to absorb water-containing fluids and / or provide odor control. This structure consists of a dry-laminated fibrous web, which contains a kind of particulate material, and is distributed in a paper-like core pair (please read the note on the back first (Fill in this page again)

,1T 經濟部中央標準局員工消費合作社印製, 1T Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs

[4 6 8 2 B 卜 Λ7 B7 五、發明説明.(6 ) 其中成細微分開形式之熱塑性聚合材料予以黏合。在_種 較佳實施例’本發明之結構予以結合至吸收性物品,較佳 爲作爲預定吸收及容留各種體液之吸收性結構。吸收性物 品’及更明確而言可丟棄吸收性物品,指諸如衛生棉片, 可丟棄尿片,尿失禁墊片等物品,其由使用者予以穿用靠 近身體,並預定吸收及包含自身體所排洩之各種體液(例 如,陰道剕洩物,月經,汗液,及/或尿),並且其預定在 單次使用後予以丟棄。 本文中所稱”使用”一詞,指將吸收性物品實際與使用者 身體接觸時開始之時間。 在本發明之一種較佳實施例,根據本發明之乾式併疊纖 維質結構可整體構成一可丟棄吸收性物品之吸收性心層, 或其可包含在其中作爲吸收性心層之一部份,或在任何情 形,其可構成一例如預定供吸收體液,或供氣味控制,或 供二者之可丢棄吸收性物品之元件。 可丟棄吸收性物品,諸如衛生棉片,褲内襯,尿失禁塾 片,或尿片,一般爲包含一可透流體頂片,—可任選爲可 透水蒸氣及/或氣體之不可透流體背片,及—包含在其間,之 吸收性心層。 本發明之乾式併登纖維質結構包含一種分布在幅片之粒 子物料’其一般爲能進行吸收含水流體及/或控制氣咮,例 如與所吸收之流體關連之氣味。粒子物料較佳爲包含一種 吸收性膠凝材料及一氣味控制裝置,二者均成粒子形式。 本發明之纖維質結構可使用供乾式併盤法之習知設計設 本紙張尺度適用中國國家標準(CNS ) Λ4規格(210X 297公釐) 〈請先聞讀背面之注意事項再填寫本頁〕[4 6 8 2 B Bu Λ7 B7 V. Description of the invention. (6) The thermoplastic polymer materials in a finely divided form are bonded. The structure of the present invention is incorporated into an absorbent article in a preferred embodiment, and is preferably an absorbent structure that is intended to absorb and hold various body fluids. 'Absorbent article' and more specifically disposable absorbent articles refer to items such as sanitary napkins, disposable diapers, urinary incontinence pads, etc. which are worn by the user near the body and are intended to absorb and contain the body Various body fluids (eg, vaginal discharge, menstruation, sweat, and / or urine) that are excreted and are intended to be discarded after a single use. The term "use" as used herein refers to the time when the absorbent article actually comes into contact with the user's body. In a preferred embodiment of the present invention, the dry stacked fibrous structure according to the present invention may form an absorbent core layer of a disposable absorbent article as a whole, or it may be included as part of the absorbent core layer. Or, in any case, it may constitute a disposable absorbent article, for example, intended to absorb body fluids, or for odor control, or both. Disposable absorbent articles, such as sanitary napkins, panty liners, urinary incontinence diaphragms, or diapers, typically include a fluid-permeable topsheet, optionally an impermeable fluid that is permeable to water vapor and / or gas The backsheet, and-the absorptive core layer contained in between. The dry type parallel fibrous structure of the present invention comprises a particulate material &apos; distributed on the web, which is generally capable of absorbing aqueous fluids and / or controlling gas scavenging, such as odors associated with the absorbed fluids. The particulate material preferably comprises an absorbent gelling material and an odor control device, both of which are in the form of particles. The fibrous structure of the present invention can be designed using the conventional design method of the dry-type method. The paper size is applicable to the Chinese National Standard (CNS) Λ4 specification (210X 297 mm). <Please read the precautions on the back before filling this page]

446 62 8 Λ7 Β7 五、發明説明.(7 ) 計作成,雖然本發明在本案係在以寸特別參照空氣併昼結 構予以説明,但請予暸解,也適用其他乾式併疊法,例如 梳理。 本發明將予説明爲一種能吸收含水流體,特別是體液, 及控制與所吸收之流體關連之氣味之空氣併疊纖維質結 構,其預定予以結合在一可丟棄吸收性物品,例如衛生棉 片作爲吸收性結構。 圖1爲一供製造本發明乏纖維質結構,其較佳實施例之簡 化示思圖。根據此實施例,圖號1 〇概括所示之空氣成形系 統,包括一分配器單元12橫向配置i 一安裝在滾柱16之連 續成形網1 4上面,並藉一適當馬達(未示)予以驅動,以及 具工裝置或吸柏1 8位於網下面。在-種習知之空氣成形系 統,分配器單元之上游爲一纖維分離器或進給器(未示), 諸如一錘磨機或Rando進給器,包,捲或類似者在此處予以 纖維離器,如果必要或希望,另外之纖維可予以清潔及/或 择合,主要依所使用之纖維類型,所使用之纖維之摻合, 及所尋求之最後製品而定◦例如,木漿纖維可與合成纖維 摻合,並藉一單一分配器施加作爲一種摻合物,或不同之 纖維可各藉一不同分配器輸送至網,以形成分開之合股或 層。 多孔形成網丨4基本上爲與分配器同等寬廣,並且在網下 面疋吸箱1 8將氣流向下抽吸,並將纖維輸送至網之表面, 藉以形成合股或一鬆弛之幅片22。在方法中之此階段,幅 片主現很少冗整性,並且眞空裝置容留鬆弛之纖維質幅片 -10- (讀先閲讀背面之注意事項再填寫本K ) ii衣. 訂 經濟部中央標準局貝工消費合作社印製 Η 446 6 2 8 Λ7 B7 五、發明説明(8 在網上。幅片22有一面對分配器之第—表面6及一相反於 表面6,面對形成網1 4之第二表面8。 請予暸解,系統可予以修改以控制最後製品之組成及厚 度。例如’分配器單元可包含許多個別分配器,不過圖1略 π二分配器在1 2 A及1 2 B .,依諸如機器速度,容量,纖維 之類型,及所希望之最後製品等因素而定,分配器之此數 目及特定配置可予以更改或改變。 形成在網14之幅片2 2有一種粒子物料結合在其中。在一 較佳實施例,粒子物料包含一種吸收性膠凝材料及一氣味 控制裝置之混合物,二者均成粒子或粉末形式。在如圖i中 所.示之一種較佳實施例,一包含粒子物料之配量單元或進 給料斗24 ’位於分配器單元之中間,亦即在分配器12A及 1 2 B之間。在圖1之實施例,配量單元2 4自供給容器2 5及 26接收不同之粒子物料,其包含成粒子形式之吸收性膠凝 材料及氣味控制裝置。配量單元24較佳爲以一種均勻混合 物提供粒子物料。 —種成細微分開形式,較佳爲成粉末形式之熱塑性聚合 材料’,也予以添加至纖維質幅片22;在一種較佳實施例, 成粉末形式之熱塑性聚合材料予以自容器27供給至配量單 元2 4,並與來自容器2 5及2 6之粒子物料均勻混合。 以此方式,包含成粉末形式之熱塑性聚合材料之粒子物 料予以沉積在藉每一分配器所併疊之諸合股纖^之間。亦 即,粒子物料及熱塑性聚合材料自料斗2 4予以排出至藉分 配器12 A所併疊之栘動之層纖維,並且分配器12B所併叠 -11 - 本紙張尺度適用中國國家標準(CNS ) A4現格(210X297公焱) (請先閱讀背面之注意事項再填寫本肓) ir 經濟部中央標準局員工消費合作社印製 446628 Λ7 B7 經濟部中央標準局員工消費合作社印製 五、發明説明( 9 之合股纖維予以併疊在粒子物料上。然而,請予瞭解,合 股爲相對多孔’因此粒子物料及熱塑性聚合材料會略微分 布在相鄰之合股内。因此所產生之纖維質幅片2 2包含粒子 物料及熱塑性聚合材料,集中在幅片之中間厚度,形成幅 片2 2之一郅位,其中較之粒子物料及熱塑性聚合材料纖維 構成較低之百分比。在希望時,粒子材料可在一個或多個 分配器,諸如在分配器12A或12B與纖維摻合,藉以形成 一幅片與粒子材料與幅片之一合或多纖維質合股互相混. 合。然而具有熱塑性聚合材料之粒子物料較佳予以分布在 幅片22之厚度以内,在第一及第二表面6,8中間。 凝結在成形屬線1 4上之幅片2 2有很少完整性並需要穩 定。在圖1中所示之實施例,幅片藉粘結站2 8經歷第一穩 疋步驟。知_子物料及包含在粒子物料當中’之幅.片2 2之纖. 維,以及至少部份在二合股施加熱及任選施加適度壓力, 以使熔化熱塑性聚合材料成粉末形式與吸收性膠弩材料及 氣味控制裝置混合所構成之粒子物料予以黏合在一起。 在粒子物料及纖維當中之黏合藉熔化成粉末形式之個別 粒子熱塑性聚合材料所產生;在其熔化時,熱塑性聚合材料 形成直接連接粒子材料及纖維之&quot;橋&quot;。 黏合點之總表面積表示在粘結所包括之粒子物料及纖維 之表面積之一小部份,其特徵因此保持幾乎不變。由於 成較佳粉末形式之熱塑性聚合材料可均勻分布在粒子物料 及在其中所包含之纖維當中,因此可使幅片22在熱塑性聚 合材料本身之分布有利害關係之部份以内具有一種有效之 一- 12-本紙張尺度適用中國國家標準(CNS ) Λ## ( 2ΪΟΧ 297公潑) (請先閲讀背面之注意事項再填寫本頁} 、?τ 446 62 8 經濟部中央標準局員工消費合作社印製 Λ7 B7 五、發明説明.(1〇) 粘結:在藉圖1之裝置所達成之本發明之實施例,這對應於 主要由粒子物料所構成,有較小百分比纖維之幅片2 2之部 位,在第一及第二表面6及8中間。 較佳爲,成粒子之形式分布之吸收性膠凝材料,可由無 機或有機物質諸如交聯聚合物作成,均爲自先前技藝所已 知者。 氣味控制裝置可爲此項技藝上已知之任何適當氣味控制 劑,或其任何混合物,其例如由彿石及二氧化秒之粒子所 構成。 給定爲個別粒子之最小尺寸之加權平均,粒子物料之平 均尺寸’可在50微米及1500微米之間,較佳爲在微米 ,及800微米之間。 成“微分開形式’例如成粉末形式之熱塑性聚合材料, 其目的爲熔化及形成粒子及纖維當中之分立,間開黏合 點’藉以將粒子物料及至少部份將乾式併疊吸收性結構之 纖維枯結在一起。熱塑性聚合材料也可使用於其他細微分 開形式,例如成原纖維之形式。 如以上所解釋’形成此等黏合點之橋可包括粒子物料及 幅片2 2之纖維。 - 成細微分開形式結合於幅片2 2之熱塑性聚合材料之量, 可在5克/平方公尺及18〇克/平方公尺之間。 , 成細微分開形式之熱塑性聚合材料可較佳爲在致使其不 妨礙及收性結構’亦即纖維及粒子物料之其他组份之特徵 义溫度予以熔化,其在較佳實施例包含吸收性膠凝材料及 -13- 本紙張尺度適用 t5iiii(CNS)A4^{ 210X297^}' (請先聞讀背面之注意事項再填寫本頁) 袭·446 62 8 Λ7 Β7 V. Description of the invention. (7) Although the invention is described in the present case with reference to the air and day structure, please understand that other dry stacking methods, such as carding, are also applicable. The present invention will be described as a superimposed fibrous structure capable of absorbing aqueous fluids, especially body fluids, and controlling the odor associated with the absorbed fluids, which is intended to be incorporated into a disposable absorbent article such as a sanitary napkin As an absorbent structure. FIG. 1 is a simplified schematic diagram of a preferred embodiment for manufacturing a defibrous structure of the present invention. According to this embodiment, the air forming system shown generally in Figure No. 10 includes a distributor unit 12 arranged laterally i-mounted on a continuous forming wire 14 of a roller 16 and supplied by a suitable motor (not shown) The drive, as well as the fixture or suction cypress 18 are located under the net. In a conventional air forming system, a fiber separator or feeder (not shown) upstream of the distributor unit, such as a hammer mill or Rando feeder, bag, roll or the like is fed here. Separator, if necessary or desired, additional fibers can be cleaned and / or selected, depending on the type of fiber used, the blend of fibers used, and the final product sought e.g. wood pulp fibers It can be blended with synthetic fibers and applied as a blend by a single dispenser, or different fibers can be delivered to the web by a different dispenser each to form separate strands or layers. The porous forming net 4 is basically as wide as the dispenser, and the suction box 18 under the net sucks the airflow downward, and conveys the fibers to the surface of the net, thereby forming a plied or a loose web 22. At this stage of the method, the owner of the web is rarely verbose, and the empty device can hold slack fibrous webs -10- (Read the precautions on the back before filling in this K) ii. Order the Central Ministry of Economic Affairs Printed by the Standard Bureau Shellfish Consumer Cooperative Η 446 6 2 8 Λ7 B7 V. Description of the invention (8 on the Internet. The web 22 has a first surface 6 facing the dispenser and a surface 6 opposite to the surface 6, facing the web 1 4 的 第二 表面 8. Please understand that the system can be modified to control the composition and thickness of the final product. For example, 'the distributor unit can contain many individual distributors, but Figure 1 is slightly different. The two distributors are at 1 2 A and 1 2 B. Depending on factors such as machine speed, capacity, type of fiber, and desired final product, this number and specific configuration of dispensers can be changed or changed. The web formed on the net 14 2 2 Yes A particulate material is incorporated therein. In a preferred embodiment, the particulate material comprises a mixture of an absorbent gelling material and an odor control device, both of which are in the form of particles or powder. One is shown in Figure i. The preferred embodiment, one The dosing unit or feed hopper 24 'containing the particulate material is located in the middle of the dispenser unit, that is, between the dispensers 12A and 1 2 B. In the embodiment of FIG. 1, the dosing unit 2 4 is supplied from the supply container 2 5 And 26 receives different particulate materials, which include absorbent gelling materials and odor control devices in the form of particles. The dosing unit 24 preferably provides the particulate materials in a homogeneous mixture.-Seeded in a finely divided form, preferably into The thermoplastic polymer material in powder form is also added to the fibrous web 22; in a preferred embodiment, the thermoplastic polymer material in powder form is supplied from a container 27 to a dosing unit 2 4 and from the container 2 5 And the particulate material of 26 is uniformly mixed. In this way, the particulate material containing the thermoplastic polymer material in powder form is deposited between the stranded fibers stacked by each dispenser. That is, the particulate material and the thermoplastic The polymeric material is discharged from the hopper 2 4 to the moving layer of fibers stacked by the distributor 12 A, and the distributor 12B is stacked -11-This paper size applies to the Chinese National Standard (CNS) A4 Present (210X297) 焱 (Please read the notes on the back before filling in this 肓) ir Printed by the Staff Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs 446628 Λ7 B7 Printed by the Staff Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs The stranded fibers are stacked side by side on the particulate material. However, please understand that the strands are relatively porous, so the particulate material and the thermoplastic polymer material will be slightly distributed in the adjacent strands. The resulting fibrous web 2 2 contains Particulate materials and thermoplastic polymer materials are concentrated in the middle thickness of the web to form one position of the web 22, where the percentage is lower than that of particulate materials and thermoplastic polymer materials. When desired, the particulate material may be blended with the fibers in one or more distributors, such as the distributors 12A or 12B, thereby forming a sheet and the particulate material and one of the sheets or multi-fibrous strands are mixed with each other. . However, the particulate material having a thermoplastic polymeric material is preferably distributed within the thickness of the web 22, between the first and second surfaces 6,8. The web 22, set on the forming line 14, has little integrity and requires stability. In the embodiment shown in Fig. 1, the web undergoes a first stabilization step by the bonding station 28. Know the sub-materials and the webs contained in the particulate materials. The fibers of the sheet 2 2 and the dimension, and at least partly apply heat and optionally a moderate pressure in the ply, so that the molten thermoplastic polymer material is in powder form and absorbent. Particle materials composed of the rubber crossbow material and the odor control device are bonded together. The adhesion in the particulate material and fibers is produced by melting individual particulate thermoplastic polymer materials in powder form; when they melt, the thermoplastic polymer material forms a "bridge" that directly connects the particulate material and fibers. The total surface area of the bonding points represents a small fraction of the surface area of the particulate material and fibers included in the bond, and its characteristics therefore remain almost unchanged. Since the thermoplastic polymer material in the preferred powder form can be evenly distributed in the particulate material and the fibers contained therein, the web 22 can have an effective one within the portion of the distribution of the thermoplastic polymer material that is at stake -12- This paper size applies Chinese National Standards (CNS) Λ ## (2Ϊ〇Χ 297 公 IPO) (Please read the precautions on the back before filling out this page} 、? Τ 446 62 8 System Λ7 B7 V. Description of the invention. (10) Bonding: The embodiment of the present invention achieved by the device of FIG. 1, which corresponds to a web composed mainly of particulate material and having a small percentage of fibers 2 2 The part is in the middle of the first and second surfaces 6 and 8. Preferably, the absorbent gelling material distributed in the form of particles can be made of inorganic or organic substances such as cross-linked polymers, which have been obtained from previous techniques. The odor control device may be any suitable odor control agent known in the art, or any mixture thereof, which is composed of, for example, fossils and particles of dioxide seconds. Weighted average of the smallest size of different particles, the average size of the particulate material can be between 50 microns and 1500 microns, preferably between microns and 800 microns. Thermoplastic polymerization in a "micro-separated form" such as in powder form Material, the purpose of which is to melt and form the discrete particles and fibers, and to separate the bonding points, so that the particulate material and at least part of the fibers of the dry stacking absorbent structure are stale together. The thermoplastic polymer material can also be used in other Finely divided forms, such as in the form of fibrils. As explained above, 'the bridges forming these bonding points may include particulate material and fibers of the web 22.-Thermoplastic polymeric materials bonded to the web 22 in a finely divided form The amount can be between 5 g / m² and 180 g / m². The thermoplastic polymeric material in a finely divided form may preferably be such that it does not obstruct and retract the structure, that is, fibers and particles The characteristic temperature of the other components of the material is melted, which in a preferred embodiment includes an absorbent gelling material and -13- This paper is applicable to t5iiii (CNS) A4 ^ {210X297 ^} '(Please read the notes on the back before filling this page)

、tTTT

446 62 B 經濟部中央標準局員工消費合作社印製 Λ7 B7 五、發明説明(11 ) 氣味控制裝置。因此,熱塑性聚合材料必須具有流動性特 徵,諸如使能快速形成必要之黏合。 此等較佳特徵可藉一種成細微分開形式,具有炫化流動 指數(111611£1〇评111(16乂,簡稱]\/1_?.1_)藉八8丁^1方法〇1238-85 在狀況190 /2.16下所估算至少爲2 5克/ 1 〇分鐘,較佳爲至少 爲40克/10·分鐘’及_更佳爲至少60克/10分鐘之熱塑性,聚 合有機材料達成。 如果乾式成形纖維質結構之纖維爲短纖維素纖維,較佳 爲使用一種高密度聚乙烯粉末所構成之熱塑性聚合材料, 粒子之最大尺寸約爲4 0 0微米,特徵爲熔化流動指數约爲 50克/10分鐘,量爲在12克/平方公尺及90克/平方公尺之 間。 根據圖1中所例示本發明之實施例,幅片2 2可另外藉施 加一種乳耀组成而黏合在一,或較佳爲二表面6及8。幅片 22可首先在壓力滚柱之間通過(未示),其可予以加熱,以 使幅片增濃,但此步驟爲任選。此增濃步驟可增強乳膠滲 透至幅片’並且增濃度或百分比可依諸如氣味控制粒子之 量,幅片之基礎重量,乳膠至幅片之希望滲透程度,以及 所尋求之最後製品等因素予以改變。 在抽結站2 8及(任選)壓力滾柱後,幅片予以運輸至一適 當配送裝置3 0,諸如噴塗噴嘴,刮刀片.,滾柱施加器,或 類似者,一種乳勝黏合劑在此處予以施加至幅片2 2之第一 表面6。一位於配送裝置及網丨4下面之吸箱1 9所施加之眞 空有助將乳膠抽吸至幅片。配送裝置或施加器基本上爲與 -14- 本紙張尺度適用中國國家標準(CNS ) A4規格(210X29*7公麓) (請先閱讀背面这注意事項再填寫本頁) 訂 Α7 Β7 446 6 2 8 五、發明説明.(12 幅片之寬度同等寬廣,並θ^ ^ I且車又佳屙知一實際均勻之塗層施 力至帖片表面。然而’乳膠可予以施加爲非均自,隨機或 圖案塗層’並且因爲乳膠水基,故其將會擴散在所有幅片 並在固化時作用如黏合劑。 乳膠在固化時將完整性傳給至幅片,因此需要乳膠之若 干滲透。乳膠滲透至幅片之範園或程度係藉㈣所施加之 乳膠之量’及藉控制加至幅片之眞空予以控制’因爲眞空 有助將乳膠抽吸至幅片。此渗透範園或程度可能限於幅片 22之表面,由於包含粒子物料之幅片22之部份在表面6及8 中間,其巳藉熱塑性聚合材料予以黏合,並因此避免在乳 膠組成及粒子物料之間任何可能之消極干擾。乳膠組成之 里也予以保持爲致使其不損害纖維質幅片2 2之吸收性及柔 軟性特徵之程度。 乳膠通常予以施加作爲一種含水乳膠,並可爲一種熱固 塑膠。爲使乳膠活化,乳膠乳膠包含一種適當之固化劑或 交聯劑’並且在幅片予以塗布後,乳膠予以固化以影響交 %。最通丰爲’固化爲使塗布之幅片通過一熱空氣烤箱或 通過空氣乾燥器3 2所達成’溫度一般約爲100 至 260J^I C之範圍,但此係依所使用之特定類型之乳膠樹 脂’固化劑或交聯劑,乳膠之量,幅片之厚度,眞空度, 及機器速度而定。 也宜於以乳膠塗布幅片2 2之第二表面8,,此容易在幅片 2 2繞/骨輪191 ’ 192,193及194操作之第二網3 4輸送時,藉 配送裝置36達成。第二配送裝置36包括一吸箱37。此第二 -15- 本紙張尺度適用中國國家榡準&lt; CNS ) Α4規格(210Χ297公釐) (諳先聞讀背面之注意事項再填寫本頁) 、?τ 經濟部中央標準局員工消費合作社印掣 446628 Λ7 ------------B7 五、發明説明.(13) ' 一- —罗塗層同樣藉使幅片在約爲相同溫度範圍以&amp;通過第二 烤箱3 8予以固化。 _自最後烤箱退出之所:產生之吸收性結構4 〇現在呈現足夠 完整性,並可予以切開,繞捲,包裝等。 圖2中例不根據上述方法所作成之吸收性結構4 。吸收 f生、構4 0包含随機分布之纖維4 6,諸如木漿纖維,並且粒 子物料4 2分布在吸收性結構中。成粉末形式之熱塑性聚合 材料48王要分布在粒子物料42當中,並進行粘結粒子物料 及至少纖維吸f性結構4 〇之一部份,亦即與熱塑性聚合材 料接觸之纖維。請予瞭解,粒子材料更集中在吸收性結構 疋中間區域,但有些粒子遷移至吸收性結構之其他區段。 及收幅片22之第一及第二表面6及8均帶有一乳膠塗層 5〇(圖中陰影所示),其已滲透或浸潰吸收性結構至若干程 度’並已部份塗布有些纖維。如以上所解釋,滲透予以控 制爲致使不損害粒子物料之特徵。 經濟部中央標準局負工消費合作社印製 本發明之纖維質結構柔敕而堅固,並具有吸收性,呈現 相對高拉伸強度。此型之較佳吸收性纖維質結構宜具有相 對低鬆密度,因爲與不包含乳膠並约爲相等吸收容量,但 爲較高鬆密度之相似結構比較,較濃密之吸收性結構,可 較薄但具高吸收性,並因之具較小鬆密度。鬆密度之減 少’意爲吸收性纖維質結構所佔用之容積減少,而不顯著 犧牲其他希望之特性,自製造,儲存及包裝之觀點,其.具 有重要性。因而,供本發明之製品,基礎重量之範圍可約 爲50克/平方公尺至6〇〇克/平方公尺,較佳約爲75克,/平方 -16- 本紙張尺度適用中國國家標準(CNS ) Λ4規格(210X297公釐) 446628 Λ7 ______B7_____ 五、發明説明(14 ) 公尺至400-克/平方公尺,更較佳約爲250克/平方公尺至350 克/平方公尺。在生產基礎重量低於約5 0克/平方公尺之吸 收性結構時,可能有製造限制,因爲此種吸收性結構可能 缺少希望之強度。基礎重量超過上限時,製品可能太剛 硬,並因此無法供大多數應用使用。 各種纖維之任何一種,包括摻合物或混入物,均可使用 .於本發明之纖維質結構。纖維可爲纖維質,修改纖維質, 或合成,並包括諸如木漿,嫘縈,棉,纖維素醋酸酯,共 聚多酯,聚乙烯,聚丙烯,尼龍等纖維,及類似者。一種 包含纖維質纖維諸如木漿纖維之纖維質結構,特別可使用 在諸如衛生棉片,可丟棄尿片或抹布等製品,作爲吸收性 結構’因爲纖維素爲液體吸收並因此增強結構之總吸收 性。此型之產品,亦即也爲吸收性之纖維質結構,也有利 使用纖維質及合成纖維之摻合物,一般爲以重量計包含約 6 5 %至9 5 %之纖維質纖維,更佳爲以重量計高達約2 0 %合 成纖維。可以任何長度包括短纖長度提供之合成纖維可改 進結構之強度。其也可予以處理,以使其爲親水性,以便 不減少較佳吸收性纖維質結構之吸收容量。 經濟部中央標準局員工消费合作社印製 (#先閣讀背面之注意事項再填寫本頁) 至此所說明之較佳纖維質結構包含親水性纖維,其實際 吸收含水流體.,該結構可使用在可丟棄吸收物品作爲吸收 性結構。根據本發明之乾式併疊纖維質結構也可僅包含疏 水性纖維’例如合成纖維。此結構可僅包含例如—種氣味 控制I置作爲粒子材料,因此能氣味控制,而不吸收及容 留液體。此種類型之結構可包含於可丟棄吸收性物品,作 -17- 本紙浪尺度適用中國國家標準(CNS ) A4規格(210X297公釐〉 446628 Λ7 B7 五、發明説明.(15 爲-液體接收及傳層,例如作爲—包含在頂片與吸收性心 層間(獲取;I,其能快速獲得體液並將其傳至吸收性心 層,同時對流體進行氣味控制作用。一種根據本發明,僅 包含疏水性合成纖維之結構也可可用於不同應用,例如作 爲一種過濾媒質。 因此,纖維之類型及特定摻合物可依最後製品予以改 變。除了上述使用,本發明之吸收性結構可適合供尿失禁 墊片’尿片〜層’尿片插入,及供外科及包捲端帶使用, 提供吸收容量及/或氣味控制。 經濟部中央標準局員工消費合作社印製 吸收性膠凝材料,其較佳爲構成包含於本發明之-乾式併 疊吸收性結構之粒子物料之至少一部份,可包含變成廣爲 使用於吸收性物品之熟知材料(有時候稱作&quot;超吸收體,,)之 種。A G Μ爲具有流體吸收特性之材料。此等材料在與水 (例如與尿,血液,及類似者)接觸時形成水凝膠。—種高 萵較佳類型之水凝膠形成,吸收性膠凝材料係以多元酸, 特別是聚丙烯酸爲基礎。此種類型之水凝膠形成聚合材料 爲其在與流體(亦即液體)諸如水或體液接觸時,吸入此等 流體’並從而形成水凝膠者。此等較佳吸收性膠凝材料通 常將包含自可聚合’未飽和,含酸單體所製備之實際不可 水溶,略微交聯,部份中和,水凝膠形成聚合物材料。在 此等材料,自未飽和,含酸單體所形成之聚合組份可包含 整個膠凝劑或可予以接枝至其他類型之聚合物部份,諸如 澱粉或纖維素。丙烯酸接枝澱粉材料爲此後一類型。因 此,較佳吸收性膠凝材料包括水解丙烯睛接枝澱粉,两缔 -18 - 本紙張尺度適用中國國家標準(CNS ) Α4规格(210x297公釐) 4 4 6 6 2 8 A7 --- B7 - __ __ * ......——- —— 五、發明説明.(16) 酸接枝搬粉’聚丙烯酯’馬來酐基共聚物及其組合。特別 較佳之吸收膝凝材料爲聚丙烯酯及丙烯酸接枝澱粉。 較佳爲包括於本發明之纖維質結構之氣咮控制裝置可包 含一種氣味控制劑,以便控制令人不愉快之氣味,例如在 纖維質結構爲流體吸收性結構時,與所吸收之流體關連之 氣味。 在其在可丢棄吸收性物品作爲吸收性心層之較佳使用, 本發明之吸收性結構預定吸收體液。 各種體液包,含有惡臭之化學化合物,包括丙烯酸及環 胺,越’脂#酸,及含硫化合物諸如硫化物。例如陰道排 淺物及所使用之衛生棉片可能包含很多有惡臭之化學化合 物,例如三甲胺,呲啶,糠醛,異戊酸,及甲硫醇。各種 吸收性物品所將會吸收之特定有惡臭之化合物將會依穿用 吸收性物品之個人及所吸收之體液之類型,亦即尿,經 液’陰道排洩物,流汗,牛奶等而改變。供女性用墊片, 諸如衛生棉片或褲内襯等物品穿用之時間之長度,所吸收 之流體量’及墊片暴露至不同體液,將會確定吸收性物品 可能發出何種氣味。 乾式併盤纖維質結構爲一種較佳爲結合於可丢棄吸收性 經濟部中央標準局員工消費合作社印製 (#先閱讀背面之注意事項再镇寫本頁) 物品(吸收性結構時,例如就與所吸收之體液關連之氣味 而s ’在此項技藝上已知之任何適當氣味控制劑均可結合 於本發明(乾式併疊纖維質結構,以提供具有氣味控制益 處之結構。 在實施本發明時所可採用之適當氣味控制劑,可例如爲 -19 - 不紙淮尺戍通用甲囷國家標準(CNS )A4^#(210X29^i7 4 46 62 8 Λ7 ______B7 五、發明説明(17 ) 水溶抗菌化合物。此等化合物包括例如_代苯化合物(美國 專利3,093,546號),高碘酸(美國專利3,8〇4,〇94號),各種鋼 化合物’特別是醋酸銅(美國專利七385,632號),各種季銨 鹽’其以其抗菌性而爲人們所熟知,例如十六观啶氣化 物’及類似者。要不然,可與各種粒子物料共同使用抗菌 化合物’其在使用及存在濕氣時,釋出抗菌劑。由於其中 及其上已吸收各種抗菌陽離子諸如銅,銀及鋅,而具殺菌 性之沸石材料諸如沸石,可有利使用於實施本發明(美國專 利4,525,410號)^在一較佳模式,氣味控制劑爲不可水溶粒 子氣味吸收材料,諸如葉綠素粒子,活性碳粒,木炭,離 子文換樹脂(曰本87019865號),活性氧化銘,及吸收性滞 石材料,包括熟知之A及X型η分子篩,,沸石,以及Uni〇n446 62 B Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs Λ7 B7 V. Description of Invention (11) Odor control device. Therefore, thermoplastic polymeric materials must have fluidity characteristics, such as enabling the necessary adhesion to be formed quickly. These better features can be borrowed into a finely divided form with a dazzling flow index (111611 £ 1〇 Comment 111 (16 乂, abbreviated] \ / 1 _ ?. 1_) by 8/8 ^ 1 method 〇1238-85 in Under conditions 190 / 2.16, it is estimated to be at least 25 g / 10 minutes, preferably at least 40 g / 10 minutes, and more preferably at least 60 g / 10 minutes of thermoplastic organic polymer materials. If dry The fibers forming the fibrous structure are short cellulose fibers, preferably a thermoplastic polymer material composed of a high-density polyethylene powder. The maximum particle size is about 400 microns, which is characterized by a melt flow index of about 50 g / For 10 minutes, the amount is between 12 g / m 2 and 90 g / m 2. According to the embodiment of the present invention illustrated in FIG. 1, the web 2 2 can be adhered to one another by applying a milky composition. , Or preferably two surfaces 6 and 8. The web 22 can first pass between pressure rollers (not shown), which can be heated to thicken the web, but this step is optional. This thickening Steps can enhance latex penetration into the web 'and the concentration or percentage can be increased, such as by odor control particles The amount, the basis weight of the web, the desired degree of penetration of the latex to the web, and the final product sought are changed. After the knotting station 28 and (optional) pressure rollers, the web is transported to A suitable dispensing device 30, such as a spray nozzle, a scraper blade, a roller applicator, or the like, a lactam adhesive is applied to the first surface 6 of the web 22 here. The empty space applied by the suction box 19 below the net 4 helps to suck the latex to the web. The distribution device or applicator is basically -14- This paper size applies to China National Standard (CNS) A4 specifications (210X29 * 7 male feet) (Please read this note on the back before filling in this page) Order Α7 Β7 446 6 2 8 V. Description of the invention. (The width of the 12 frames is equally wide, and θ ^ ^ I and the car is well known A practically uniform coating is applied to the surface of the patch. However, 'latex can be applied as a non-uniform, random, or patterned coating' and because the latex is water-based, it will diffuse across all webs and will act as if cured Adhesives. Latex imparts integrity when cured. To the web, so some penetration of latex is needed. The extent or extent of latex penetration into the web is controlled by the amount of latex applied, and by controlling the air added to the web, because the air helps pump the latex. The extent of penetration into the web may be limited to the surface of the web 22. Since the part of the web 22 containing the particulate material is in the middle of the surfaces 6 and 8, it is adhered by the thermoplastic polymer material, and is therefore avoided in the Any possible negative interference between the latex composition and the particulate material. The latex composition is also maintained to such an extent that it does not impair the absorbency and softness characteristics of the fibrous web 22. Latex is usually applied as an aqueous latex, And a thermosetting plastic. To activate the latex, the latex latex contains an appropriate curing agent or cross-linking agent 'and after the web is coated, the latex is cured to affect the% of cross-linking. The best way is to 'curing the coated web through a hot air oven or through an air dryer 32'. The temperature is generally in the range of about 100 to 260 J ^ IC, but this depends on the specific type of latex used. Resin 'curing agent or crosslinking agent, the amount of latex, the thickness of the web, the porosity, and the speed of the machine. It is also suitable to coat the second surface 8 of the web 22 with latex. This is easily achieved by the distribution device 36 when the web 22 is transported around the second web 3 4 operated by 191 '192, 193, and 194. . The second distribution device 36 includes a suction box 37. This second -15- This paper size applies to China's National Standards &lt; CNS) Α4 size (210 × 297 mm) (谙 Please read the precautions on the back before filling out this page),? Τ Consumer Cooperatives, Central Standards Bureau, Ministry of Economic Affairs Imprint 446628 Λ7 ------------ B7 V. Description of the invention. (13) 'a-Luo coating also uses the second oven to pass the second oven at about the same temperature range. 3 8 to be cured. _ From where the last oven exited: the resulting absorbent structure 4 〇 now shows sufficient integrity and can be cut, wound, packaged, etc. The absorptive structure 4 which is not made according to the above method is illustrated in FIG. 2. The absorbent fiber 40 contains randomly distributed fibers 46, such as wood pulp fibers, and the granular material 42 is distributed in the absorbent structure. The thermoplastic polymer material 48 in powder form is distributed in the particulate material 42 and is bonded to the particulate material and at least a part of the fiber-absorbent structure 40, that is, the fibers that are in contact with the thermoplastic polymer material. Please understand that the particulate material is more concentrated in the middle region of the absorbent structure, but some particles migrate to other sections of the absorbent structure. And the first and second surfaces 6 and 8 of the receiving sheet 22 are each provided with a latex coating 50 (shown in the shaded figure), which has penetrated or impregnated the absorbent structure to a certain degree 'and has been partially coated with some fiber. As explained above, penetration is controlled so as not to impair the characteristics of the particulate material. Printed by the Office of the Central Standards Bureau, Ministry of Economic Affairs and Consumer Cooperatives. The fibrous structure of the present invention is soft and strong, absorbent, and exhibits relatively high tensile strength. The preferred absorbent cellulosic structure of this type should have a relatively low bulk density, because it can be thinner and denser than a similar structure that does not contain latex and has approximately the same absorption capacity, but a higher bulk density. However, it is highly absorbent and therefore has a smaller bulk density. The decrease in bulk density 'means that the volume occupied by the absorbent fibrous structure is reduced without significantly sacrificing other desirable characteristics. From the viewpoint of manufacturing, storage, and packaging, it is important. Therefore, for the products of the present invention, the basis weight can range from about 50 g / m² to 600 g / m², preferably about 75 g / m²-16. This paper size applies to Chinese national standards (CNS) Λ4 specification (210X297 mm) 446628 Λ7 ______B7_____ 5. Description of the invention (14) m to 400-g / m2, more preferably about 250 g / m2 to 350 g / m2. When producing an absorbent structure with a basis weight of less than about 50 grams per square meter, there may be manufacturing restrictions because such an absorbent structure may lack the desired strength. When the basis weight exceeds the upper limit, the article may be too rigid and therefore unusable for most applications. Any of a variety of fibers, including blends or blends, can be used in the fibrous structure of the present invention. The fibers may be fibrous, modified fibrous, or synthetic, and include fibers such as wood pulp, cotton, cotton, cellulose acetate, copolyester, polyethylene, polypropylene, nylon, and the like. A fibrous structure containing fibrous fibers such as wood pulp fibers, particularly useful in products such as sanitary napkins, disposable diapers or wipes, as an absorbent structure 'because cellulose is a liquid absorbent and therefore enhances the overall absorption of the structure Sex. This type of product, which is also an absorbent fibrous structure, is also beneficial to use a blend of fibrous and synthetic fibers. Generally, it contains about 65 to 95% by weight of fibrous fibers, which is better. Up to about 20% synthetic fibers by weight. Synthetic fibers available in any length, including staple fiber length, can improve the strength of the structure. It can also be treated to make it hydrophilic so as not to reduce the absorption capacity of the better absorbent fibrous structure. Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs (#xiange read the notes on the back and then fill out this page) The preferred fibrous structure described so far includes hydrophilic fibers, which actually absorb aqueous fluids. This structure can be used in Disposable absorbent articles serve as absorbent structures. The dry superimposed cellulosic structure according to the present invention may also include only hydrophobic fibers' such as synthetic fibers. This structure may only contain, for example, an odor control device as a particulate material, so that it can control odor without absorbing and retaining liquid. This type of structure can be included in disposable absorbent articles, as -17- The paper scale is applicable to China National Standard (CNS) A4 specifications (210X297 mm> 446628 Λ7 B7 V. Description of the invention. (15 为-Liquid receiving and Layer transfer, for example, is included between the topsheet and the absorptive heart layer (acquisition; I, which can quickly obtain body fluids and transfer it to the absorptive heart layer, and at the same time perform odor control on the fluid. The structure of the hydrophobic synthetic fiber can also be used in different applications, such as a filter medium. Therefore, the type of fiber and the specific blend can be changed according to the final product. In addition to the above-mentioned uses, the absorbent structure of the present invention can be suitable for urine supply Incontinence pads 'diapers ~ layers' diapers are inserted and used for surgical and wrapping end bands to provide absorption capacity and / or odor control. The Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs prints absorbent gelling materials, which are Preferably, at least a portion of the particulate material constituting the dry-type superimposed absorbent structure included in the present invention may include a material widely used in absorbent articles. A kind of known material (sometimes called &quot; superabsorber ,, etc.). AG M is a material with fluid absorption properties. These materials form water condensation when contacted with water (such as with urine, blood, and the like). Gum.—A type of hydrogel that is the preferred type of high lettuce. The absorbent gelling material is based on polyacids, especially polyacrylic acid. This type of hydrogel-forming polymeric material is used in conjunction with fluids (that is, Liquids) such as water or body fluids when inhaled by these fluids and thereby forming a hydrogel. These preferred absorbent gelling materials will usually contain self-polymerizable 'unsaturated, acid-containing monomers that are practically impossible to prepare Water-soluble, slightly cross-linked, partially neutralized, hydrogels form polymer materials. In these materials, the polymerized components formed from unsaturated, acid-containing monomers may contain the entire gelling agent or may be grafted to Other types of polymer parts, such as starch or cellulose. Acrylic grafted starch material is the latter type. Therefore, preferred absorbent gelling materials include hydrolyzed acrylic grafted starch, two associations-18-this paper size applies China Home Standard (CNS) Α4 Specification (210x297 mm) 4 4 6 6 2 8 A7 --- B7-__ __ * ......——- —— 5. Description of the invention. (16) Acid grafting Powdered "polyacrylic ester" maleic anhydride-based copolymer and combinations thereof. Particularly preferred materials for absorbing knee coagulation are polypropylene ester and acrylic acid grafted starch. It is preferred that the air control device included in the fibrous structure of the present invention can be Contains an odor control agent to control unpleasant odors, such as odors associated with absorbed fluids when the fibrous structure is a fluid-absorbent structure. In its use in disposable absorbent articles as absorbent cores Preferably, the absorptive structure of the present invention is intended to absorb body fluids. Various body fluid packages contain malodorous chemical compounds, including acrylic acid and cyclic amines, fatty acids, and sulfur-containing compounds such as sulfides. For example, vaginal drainage and sanitary napkins used may contain many malodorous chemical compounds such as trimethylamine, pyridine, furfural, isovaleric acid, and methyl mercaptan. The specific malodorous compounds that will be absorbed by various absorbent articles will change depending on the individual who wears the absorbent article and the type of body fluid absorbed, that is, urine, menstrual fluid, vaginal discharge, sweating, milk, etc. . The length of time that women's pads, such as sanitary pads or panty liners are worn, the amount of fluid absorbed 'and the exposure of the pads to different body fluids will determine what odor the absorbent article may emit. Dry-type side-by-side fibrous structure is preferably printed in conjunction with the Consumer Cooperative of the Central Standards Bureau of the Ministry of Disposable Absorptive Economy (#Read the notes on the back before writing this page) Articles (for absorbent structures, such as With regard to the odors associated with the absorbed body fluids, any suitable odor control agent known in the art may be incorporated into the present invention (dry-laminated fibrous structure to provide a structure with odor control benefits. In implementing this A suitable odor control agent that can be used in the invention can be, for example, -19-National Standard for Paper Foil, Common Formazan (CNS) A4 ^ # (210X29 ^ i7 4 46 62 8 Λ7 ______B7 V. Description of the Invention (17) Water-soluble antibacterial compounds. Such compounds include, for example, benzene compounds (U.S. Patent No. 3,093,546), periodic acid (U.S. Patent No. 3,8,04,094), various steel compounds, especially copper acetate (U.S. Patent No. 7,385,632 No.), various quaternary ammonium salts 'which are well known for their antibacterial properties, such as hexadecylpyridine gas' and the like. Otherwise, antibacterial compounds can be used together with various particulate materials It releases antibacterial agents during use and in the presence of moisture. Since various antibacterial cations such as copper, silver, and zinc have been absorbed therein, bactericidal zeolite materials such as zeolite can be advantageously used in the practice of the present invention (United States Patent No. 4,525,410) ^ In a preferred mode, the odor control agent is an insoluble particle odor absorbing material, such as chlorophyll particles, activated carbon particles, charcoal, ion exchange resin (Japanese No. 87019865), active oxidizing agent, and absorbency Stagnation materials, including well-known A and X-type η molecular sieves, zeolites, and UniOn

Carbide Corporation及UOP以商名ABSCENTS所發售之沸石材 料’並JL其一般作爲—種在3_5微米粒子大小範圍之白色粉 末發售。 經濟部中央標準局員工消費合作社印裝 在一種已知模式,氣味控制劑可爲不可水溶粒子氣味吸 收材料諸如葉綠素粒子’活性碳粒,木炭,離子交換樹脂 (日本87019865號),活性氧化鋁,及吸收性沸石材料,包 括熟知之A及X型&quot;分子篩,|沸石以及Uni(m carbide Corporation及U0P以商名ABSCENTS所發售之沸石材料,並 且其一般作爲一種在3 _ 5微米粒子大小範圍之白色粉末發 售β 使用於本發明之氣味控制劑也可包含其他化合物,諸如 %胺精’螯合劑,parabenS,.甲殼質,ρ Η緩衝材料,二氧 __ -20- 本紙張尺度適用中國國家梯準(CNS ) A#規格(21〇&gt;&lt;297公貉) 446628 Λ7 — B7 五、發明説明.(18 ) 化石夕凝膠;黏土,碎藥土,聚笨乙缔衍生物,殿粉,及類 似者。例如,特別較佳爲螯合劑,如在歐洲申請案EP 96109178.2號及EP 96109179.0號中所説明者,該二申請案均 爲在1996年6月7月所提出。也可使用有些部份中和水凝膝· 形成吸收性膠凝材料,諸如聚丙烯酯膠凝材料及丙締酸酿 接枝澱粉膠凝材料,較佳爲與其他氣味控制劑組合。 另外之氣味控制劑可包含酸性化合物,諸如抗壞血酸,_ 硬脂酸’棚酸,馬來酸聚合物,丙二酸,馬來酸,聚丙缔 酸及鱗故卓神,或基本化合物諸如碳酸鹽,重礙酸鹽,鱗 酸鹽’重磷酸鹽,硫酸鹽,重硫酸鹽,硼酸鹽之無機鹽及 其混合物’如US 5037412中所説明者,或如國際申請案w〇 94/25077中所説明之硼酸及四硼酸鈉之組合。 經濟部中央標準局貝工消費合作社印製 (請先閲讀背面之注意事碩再填寫本頁.) &gt;i_ 請予瞭解,較佳爲在實施本發明可採用之氣咮控制裝置 不僅爲氣味控制劑就其本身添加至纖維質結構。而是,氣 味控制裝置包含氣味控制劑,及任選其他材料諸如黏合劑 足任何组合。因此也可使用不同氣味.控制劑之附聚物,例 如有一種黏合劑,,諸如沸石及成粒子形式之二氧化矽之 一種附聚物,如1996年6月7曰所提出之歐洲申請案EP 96109175.8中所説明者。在另一方面,氣味控制劑爲特定氡 味控制化合物。 較佳爲’氣味控制劑成粒子形式使用於本發明。特别較 佳A包含滞石,二氧化矽,較佳爲成二氧化矽凝膠之形 式、’吸收膠凝材料,及其組合之氣味控制裝置,諸如國際 申請案WO 95/26207號及歐洲申請案ep 961〇9177 4號,Ejj ______ -21 - 本紙張尺度適财_^ (eNS} - 446 62 b Λ7 B7 經濟部中央標準局員工消費合作社印製 五、發明説明,(19 96109173·3、,ρ··ρ 、 Ρ 如109174·1號,ΕΡ 96109176.6號中所說明 工氣味控制裝置。 、 種較佳之氣味控制裝置可爲二氧化矽凝膠之粒 子1石及吸收性膠凝材料之一種组合。吸收性膠凝材料 對二氧化矽對沸石之重量比,較佳爲在1 : 5 :⑴:i _ 5 之範圍’較佳爲…:^:…’最佳…^幻: 1 · 5 : 1 . 5。 乳味私制材料經發現可結合至根據本發明之纖維質結 構,參照纖維質結構之總表面積,量爲2〇克/平方公尺至 400克/平方公尺,之範圍,較佳爲1〇〇克/平方公尺至3〇〇 克/平方公尺,更較佳爲15〇克/平方公尺至250克/平方公 尺。較佳爲,本發明之纖維質結構,以重量計,可包含 20%至80%之氣味控制裝置。精於此項技藝者考膚纖維質 結構之大小及類型,以及其預定用途,便可容易確定可實 際使用於各種纖維質結構,預定供不同使途之氣味控制裝 置之重量。 乳膠係作爲一種含水乳膠或分散體予以施加,其一般包 含約爲4 5 %至6 5 %固體,並且此等材料容易自若干製造廠 商購得。因爲乳膠乳膠爲水可溶混,如果希望,其可在加 至幅片前予以進一步稀釋。此等乳膠组成也爲熱固,並且 爲影響交聯,其包含少暈之適當交聯劑,其爲供此目的之 熟知化學劑,諸如N -羥曱基丙烯瞌胺。可使用適合本發明 之纖維質結構,此項技藝上已知之任何類型之乳膠,假設 其較佳爲不產生可檢測之氣味,特別是在固化後,由於這 -22 各紙張尺度適用中國國家標準(CNS ) Λ4規格(210X 297公#_ ) (諳先閱讀背面之注意事項再填寫本頁}Carbide Corporation and UOP sell zeolite materials under the trade name ABSCENTS 'and JL, which are generally sold as a white powder with a particle size range of 3-5 microns. The Consumer Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs is printed in a known mode. The odor control agent can be an insoluble particulate odor absorbing material such as chlorophyll particles' activated carbon particles, charcoal, ion exchange resin (Japanese No. 8708865), activated alumina, And absorbent zeolite materials, including the well-known A and X type molecular sieves, | zeolites and zeolite materials sold by Uni (m carbide Corporation and U0P under the trade name ABSCENTS), and it is generally used as a particle size range of 3-5 microns White powder for sale β The odor control agent used in the present invention may also contain other compounds, such as% amine essence 'chelating agent, parabenS, .chitin, ρ Η buffer material, dioxin __ -20- This paper size applies to China National Ladder Standard (CNS) A # specification (21〇 &lt; 297 gong) 446628 Λ7 — B7 V. Description of the invention. (18) Fossil evening gel; clay, crushed medicinal soil, polybenzyl ethylene derivative, palace Powder, and the like. For example, chelating agents are particularly preferred, as described in European applications EP 96109178.2 and EP 96109179.0, both of which were issued in 1996. Proposed in July. Some parts can also be used to neutralize the hydraulic knee. · Form absorbent gelling materials, such as polyacrylate gelling materials and acrylic acid grafted starch gelling materials, preferably with other odors. Controlling agent combinations. Additional odor controlling agents may include acidic compounds such as ascorbic acid, stearic acid, shed acid, maleic polymer, malonic acid, maleic acid, polyacrylic acid, and scale, or basic Compounds such as carbonates, tallows, phosphonates 'biphosphates, sulfates, bisulfates, inorganic salts of borates and mixtures thereof' are as described in US 5037412 or as international application WO 94 The combination of boric acid and sodium tetraborate as described in / 25077. Printed by the Shellfish Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs (please read the notes on the back before filling out this page.) &Gt; i_ Please understand, preferably The gas control device that can be used in the practice of the present invention is not only an odor control agent added to the fibrous structure itself. Instead, the odor control device contains an odor control agent, and optionally other materials such as a binder, in any combination. Therefore Different odor control agents can be used. For example, there is a binder, such as an agglomerate such as zeolite and silica in the form of particles, such as the European application EP 96109175.8 filed on June 7, 1996. In the other aspect, the odor-controlling agent is a specific odor-controlling compound. The odor-controlling agent is preferably used in the form of particles in the present invention. Particularly preferably, A contains sludge, silica, and more preferably In the form of a silica gel, an 'absorptive gelling material, and a combination of odor control devices such as international application WO 95/26207 and European application ep 961〇9177 4, Ejj ______ -21-this paper Standards for Finance _ ^ (eNS)-446 62 b Λ7 B7 Printed by the Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs. 5. Description of the invention. No. odor control device. A preferred odor control device may be a combination of particles of silica gel and an absorbent gelling material. The weight ratio of the absorptive gelling material to silica to zeolite is preferably in the range of 1: 5:: i _ 5 'preferably…: ^:…' best… ^ magic: 1 · 5: 1.5. The milk-flavored private material was found to be able to be incorporated into the fibrous structure according to the present invention. With reference to the total surface area of the fibrous structure, the amount ranges from 20 g / m2 to 400 g / m2, preferably 1 0.00 g / m2 to 300 g / m2, more preferably 150 g / m2 to 250 g / m2. Preferably, the fibrous structure of the present invention may comprise 20% to 80% of an odor control device by weight. Those skilled in this art can easily determine the weight of the odor control device that can be used in various fibrous structures and can be used in different ways by examining the size and type of the fibrous structure of the skin and its intended use. Latex is applied as an aqueous latex or dispersion, which typically contains about 45% to 65% solids, and these materials are readily available commercially from several manufacturers. Because latex latex is water-miscible, it can be further diluted, if desired, before being added to the web. These latex compositions are also thermoset, and to affect cross-linking, they contain suitable cross-linking agents that are less halo, which are well-known chemicals for this purpose, such as N-hydroxyamidopropenamide. A fibrous structure suitable for the present invention can be used. Any type of latex known in the art is assumed to preferably not produce a detectable odor, especially after curing. Since these 22 paper standards are applicable to Chinese national standards (CNS) Λ4 specifications (210X 297 公 #_) (谙 Please read the precautions on the back before filling in this page}

經濟部中央標準局員工消費合作社印製 446628 Λ 7 Β7 五、發明説明_( 2〇 ) 可能令使用者不愉快,而且遠在其預定使用前便可至少部 份排出較佳氣味控制容量之纖維質結構。現有之膠乳以化 學族予以分類,特別有用者包括乙烯基醋酸酯及丙烯酯共 聚物·,乙晞醋酸乙缔醋共聚物,苯乙晞丁二晞叛化物,嚴 酸鹽共聚物,及聚丙晞睛,並例如由Air Products, Inc.以商 名 Airbond, Airflex及Vinac, Goodrich Chemical Co.以商名 Hycar 及Geon,以及Η. B. Fuller Company以商名Fulatex所發售。使 用於吸收性結構之乳膠量不可高至致使實際損害或模糊氣 味控制裝置之有效氣味控制容量,以及親水性纖維之吸收 &lt; .特性,或致使將勁度傳給至結構,而致使其不切實際。乳 膠經發現以重量計範園可約爲結構之5 %至3 0 %,較佳爲以 重量計約爲1 〇 %至2 0 %。 根據本發明作成之纖維質結構,由於結構内所包含成細 .微分開形式之熱塑性聚合材料所進行之粘結及任選由於乳 膠塗層而呈現良好之完整性,並仍較佳爲具有顯著之吸收 容量或氣味控制能力,或更佳爲兼具二者,由於纖維質幅 片中所包含之粒子物料被粘結裝置,亦即被成細微分開形 式之熱塑性聚合材料所影響,並可能被乳膠塗層影響僅至 最小程度。萬一使用乳膠黏合劑之情形,乳膠至纖維質幅 片之滲透深度可藉位於與配送裝置對應之吸箱所施加之眞 空,及藉選擇將行施加至幅片之量予以控制。 圖3示一根據本發明,供作成乾式併疊纖維質結構5 9', 例如吸收性結構替代性較佳.實施例之裝置之簡.化示意圖, 圖4中復例示該結構。 -23- 本紙張尺度適用申國國家標準(CNS〉A4規格(210X297公釐) tl·1:--J-----—-----訂------'&gt; (請先閱讀背面之注意事項再填寫本頁) 丨 Α7 Β7 五、發明説明.(21 圖3之裝-置與圖1中所如-、 一 ' 厅例7足裝置相似,並且相似圖號指 不對應“,但在此情形缺少乳膠施加及固化區段,由於 結合於幅片成細微分開报斗、 】^式 &lt; 熱塑性聚合材料進行結構之 整個粘結。 如自圖3可看出,較佳爲成粉末形成,容納於容器27之 熱塑性聚合材料’丨以供給至進給器24以及至分配器la 及1 2Β纟塑性聚合材料因此與粒子材料及與纖維均句混 合,其也形成纖維質合股。 在枯結f 28所進行之随後枯結階段,整個乾式併叠結構 5—9在其全邵厚度藉熔化熱塑性聚合材料之粉末予以熱穩 疋’其黏合包含在第一及第二表两6及8中間之粒子物料, 及幅片22之纖維。 、 清參…圖4,乾式併疊吸收性結構5 9包含由吸收性勝凝 材料及散置在幅片,但較集中在幅片22之厚度中間之氣味 控制裝置I混舍物所構成之纖維6 〇及粒予物料6〗。成粉末 形式之熱塑性聚合材料6 3均勻分布在整個纖維質幅片内, 形成乾式併疊吸收性結構5 9。 在本發明I另外替代性實施例,假設在吸收性結構包含 一種粒子物料,吸收性膠凝材料或氣味控制裝置可包括在 成不门太粒子形式之形式之吸收性結構,例如可使用纖維 質吸收性膠凝材料,或可結合喷塗至吸收性結構之溶液形 式之氣味控制裝置。例如,可將一種適當之溶液噴塗至藉 圖1中所例示之分配器1 2 A所併盤之第一纖維質合股,或代 t爲噴塗至圖3之幅片2 2之第一表面6,或與幅片2 2内之料 24- 本紙張聽剌(2,〇;797^¥ (諳先閱讀背面之注項再填寫本頁)Printed by the Consumers' Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs 446628 Λ 7 Β7 V. Description of the invention _ (2〇) May be unpleasant for the user, and can at least partially discharge the fiber with better odor control capacity far before its intended use structure. Existing latexes are categorized by chemical family. Particularly useful include vinyl acetate and propylene copolymers, ethyl acetate copolymers, acetobutyl succinate, acid salt copolymers, and polypropylene And are marketed, for example, by Air Products, Inc. under the trade names Airbond, Airflex and Vinac, Goodrich Chemical Co. under the trade names Hycar and Geon, and Η B. Fuller Company under the trade name Fulatex. The amount of latex used in the absorbent structure must not be so high as to cause actual damage or obscure the effective odor control capacity of the odor control device, and the absorption of hydrophilic fibers &lt;. Characteristics, or to impart stiffness to the structure, so that Realistic. The latex has been found to be about 5% to 30% by weight of the structure, preferably about 10% to 20% by weight. The fibrous structure made according to the present invention has good integrity due to the bonding of the thermoplastic polymer material in the finely divided micro-separated form and optionally due to the latex coating, and still preferably has a significant Absorption capacity or odor control ability, or better, both, because the particulate material contained in the fibrous web is affected by the bonding device, that is, the thermoplastic polymer material in a finely divided form, and may be affected by Latex coating effects are minimal. In case of using a latex adhesive, the penetration depth of the latex to the fibrous web can be controlled by the vacancy applied by the suction box corresponding to the distribution device, and by selecting the amount of rows to be applied to the web. FIG. 3 illustrates a simplified and simplified fibrous structure 59 ′ according to the present invention, for example, an absorbent structure is better alternative. A simplified and simplified schematic diagram of the device of the embodiment, and FIG. 4 illustrates the structure again. -23- This paper size applies to the national standard of China (CNS> A4 specification (210X297 mm) tl · 1: --J ------------ order ------ '&gt; ( Please read the precautions on the back before filling this page) 丨 Α7 Β7 V. Description of the invention. (21 The installation and installation of Fig. 3 is similar to that in Fig. 1 and 1 'Hall example 7-foot device, and the similar drawing number indicates Does not correspond to ", but in this case the latex application and curing section is lacking, because it is combined with the web to form a finely divided hopper, and the thermoplastic polymer material performs the entire bonding of the structure. As can be seen from Figure 3, It is preferably formed into a powder, and the thermoplastic polymer material contained in the container 27 is supplied to the feeder 24 and to the dispensers 1a and 12B. The plastic polymer material is thus mixed with the particulate material and with the fiber, which is also formed. Fibrous strands. During the subsequent dry-out stage of the dry knot f 28, the entire dry cascade structure 5-9 is thermally stabilized at its full thickness by melting the powder of thermoplastic polymer material. Its adhesion is included in the first and The second table is the particle material between 6 and 8 and the fiber of the web 22. Qingshen ... Figure 4, dry stack The absorptive structure 59 includes fibers 60 and granules 6 composed of an absorptive coagulation material and an odor control device I mixture interspersed in the web, but more concentrated in the middle of the thickness of the web 22. The thermoplastic polymer material 63 in powder form is uniformly distributed throughout the fibrous web to form a dry, overlapping absorbent structure 5 9. In another alternative embodiment of the present invention I, it is assumed that the absorbent structure contains a particulate material that absorbs The gelling material or odor control device may include an absorbent structure in the form of particles, such as a fibrous absorbent gelling material, or a combination of odor control in the form of a solution sprayed onto the absorbent structure For example, a suitable solution may be sprayed onto the first fibrous ply stranded by the dispenser 1 2 A illustrated in FIG. 1, or the first t is sprayed onto the web 22 of FIG. 3 Surface 6, or the same as the material in frame 2 2 24- Listen to this paper (2, 〇; 797 ^ ¥ (谙 Read the note on the back before filling in this page)

HaT. 經濟部中央標準局員工消費合作社印製 446628 Λ7 B7 五、發明説明.(22 ) 斗24所分布,成粒子形式之氣味控制裝置合併。 在本發明之另一替代性實施例(未示),也將一乳膠塗肩 施加至纖維質幅片之第—合股,隨後並施加粒子物料,名 將行分布粒子物料之表面前予以固化。 纖維貝幅片之諸合股之一,例如圖3之幅片之第二合股, 在另一替代性實施例也可由一非織造層,或由一聚合薄膜 予以替化。在此後一情形,聚合薄膜應在粘結站28後加至 幅片,以避免在粘結站之溫度可能熔化聚合薄膜。_此種 類型之結構可構成一有不可透層結合在其中之可丟棄吸收 性物品之吸收性元件。 經濟部中央標準局負工消費合作社印製 25-HaT. Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs 446628 Λ7 B7 V. Description of the Invention. (22) The odor control devices distributed in buckets 24 are merged. In another alternative embodiment (not shown) of the present invention, a latex coated shoulder is also applied to the first strand of the fibrous web, and then a particulate material is applied, which is then cured before the surface of the particulate material is distributed. One of the plies of the fibrous shell web, such as the second ply of the web of Fig. 3, may also be replaced by a nonwoven layer or by a polymeric film in another alternative embodiment. In this latter case, the polymeric film should be added to the web after the bonding station 28 to avoid the possibility of melting the polymeric film at the temperature of the bonding station. _ This type of structure may constitute an absorbent element of a disposable absorbent article having an impermeable layer incorporated therein. Printed by the Consumer Standards Cooperative of the Central Bureau of Standards of the Ministry of Economic Affairs 25-

Claims (1)

經濟部中央標準局員工消費合作社印製 AS BS C8 --~________ 六、申請專利範圍 — i. 一種乾式併疊纖維質結構,較佳爲一乾式併疊吸收性纖 維貧結構,該結構包含—乾式併疊纖維質幅片,有一第 表面及一對準爲與該第一表面大約相反之第二表面, 並包含一種分布於該幅片之粒子物料,該乾式併疊纖維 質結構之特徵爲,其另外包含—種成細微分開形式.之熱 塑性聚合材料分布在其中,以便將該粒子物料黏合至該 乾式併疊纖維質幅片之纖維。 2 根據申請專利範圍第1項之乾式併疊纖維質結構,其特 徵爲,該粒子物料包含一種吸收性膠凝材料。 3. 根據申請專利範園第1項之乾式|疊纖維質結構,其特 徵爲,該粒子物料包含一種氣味控制裝置。 4. 根據申請專利範園第1項之乾式併疊纖維質結構,其特 徵爲,該粒子物料分布在該乾式併疊纖維質幅片之厚度 以内,在該第一及第二表面中間。 5 .根據申請專利範園第丨項之乾式併疊纖維質結構,其特 徵爲,該熱塑性聚合材料係成粒子或粉末形式。 ' 6_根據令請專利範圍第丨項之乾式併疊纖維質結構,其特 徵爲’該熱塑性聚合材料係與該粒子材料混合。 7.根據申請專利範圍第1項之乾式併疊纖維質結構,其特 徵爲,該乾式併疊纖維質結構另包含在纖維質幅片之第 —或第二表面至少之一上之乳膠塗層。 8 .根據申請專利範圍第1項之乾式併疊纖維質結構,其特 徵爲,孩熱塑性聚合材料另外提供該乾式併疊纖維質幅 片之粒結。 -26 « 本紙張尺度適用中國國家摞孪(CNS ) Λ4規格(21攸297公^7 (請先Μ讀背面之注意事項弃填寫本買) --,----1)·^------ir------·}&quot;--------111__i 4 4 6 6 2 8 · St SVU ϋο Λ BCD 六、申請專利範園 ' ~ '根據申‘請專利範園第β之乾式併签纖維質結構,其特 爲,m乾式併疊纖維質結構較佳爲予以空氣併疊。 ιο· —種可丟棄吸收性物品,包含_ ^ ^ ^ 根據申請專利範園第1 項I乾式併疊纖維質。 (請先閱讀背面之注意事項再填寫本頁) 訂 經濟部中央標牟局貝工消費合作社印製 -27- 本紙張尺度適用中國國家揉準(CMS &gt; Α4規格(210X297公疫)AS BS C8 printed by the Consumer Cooperatives of the Central Bureau of Standards of the Ministry of Economic Affairs-~ ________ VI. Scope of Patent Application — i. A dry-stacked fibrous structure, preferably a dry-stacked absorbent fiber-poor structure, the structure contains— The dry-laminated fibrous web has a first surface and a second surface aligned approximately opposite the first surface, and contains a particulate material distributed over the web. The dry-laminated fibrous structure is characterized by: It further comprises a thermoplastic polymer material distributed in a finely divided form in order to adhere the particulate material to the fibers of the dry-laminated fibrous web. 2 The dry-laminated cellulosic structure according to item 1 of the patent application, characterized in that the particulate material contains an absorbent gelling material. 3. According to the dry type | stacked cellulosic structure of the first patent application park, the particulate material includes an odor control device. 4. The dry-laminated fibrous structure according to item 1 of the patent application park, characterized in that the particulate material is distributed within the thickness of the dry-laminated fibrous web, between the first and second surfaces. 5. The dry-laminated fibrous structure according to item 丨 of the patent application park, characterized in that the thermoplastic polymer material is in the form of particles or powder. '6_ According to the patent, the dry-laminated fibrous structure according to item 丨 is characterized in that the thermoplastic polymer material is mixed with the particulate material. 7. The dry-laminated cellulosic structure according to item 1 of the patent application scope, characterized in that the dry-laminated cellulosic structure further comprises a latex coating on at least one of the first or second surface of the fibrous web. . 8. The dry-laminated fibrous structure according to item 1 of the scope of the patent application, characterized in that the thermoplastic polymer material additionally provides the granules of the dry-laminated fibrous web. -26 «The size of this paper is applicable to China National Twin (CNS) Λ4 specification (21 Y297 297 ^ 7 (please read the notes on the back first and discard this purchase)-, ---- 1) · ^- ---- ir ------ ·} &quot; -------- 111__i 4 4 6 6 2 8 · St SVU ϋο Λ BCD VI. Apply for a patent in Fanyuan '~' Please apply for a patent according to the application ' Fanyuan No. β's dry-type parallel fiber structure is characterized in that the m-type dry-layer fiber structure is preferably air-stacked. ιο · —A disposable absorbent article, including _ ^ ^ ^ According to Item 1 of the patent application park I dry-laminated cellulosic. (Please read the notes on the back before filling out this page) Order Printed by the Central Labor Bureau of the Ministry of Economic Affairs, Printed by the Shellfish Consumer Cooperative -27- This paper size is applicable to the Chinese national standard (CMS &gt; Α4 size (210X297)
TW087100462A 1996-12-20 1998-01-15 A dry laid structure comprising particulate material TW446628B (en)

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EP96120569A EP0850616A1 (en) 1996-12-20 1996-12-20 A dry laid structure comprising odour control means
EP96120568A EP0850615A1 (en) 1996-12-20 1996-12-20 A dry laid structure comprising particulate material

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Publication number Publication date
EP0948676A1 (en) 1999-10-13
WO1998028478A1 (en) 1998-07-02
EP0948675A1 (en) 1999-10-13
CA2275605A1 (en) 1998-07-02
EP0948675A4 (en) 2002-05-08
ZA9711462B (en) 1998-06-25
PE37299A1 (en) 1999-05-15
JP2000506571A (en) 2000-05-30
AU5698798A (en) 1998-07-17
AR010840A1 (en) 2000-07-12
KR20000069579A (en) 2000-11-25
EP0948676A4 (en) 2002-05-08
AU742451B2 (en) 2002-01-03
KR20000069580A (en) 2000-11-25
CA2275608A1 (en) 1998-07-02
AU5712298A (en) 1998-07-17
WO1998028479A1 (en) 1998-07-02
JP2000505847A (en) 2000-05-16

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