TW200909633A - Nonwoven joint tape having low moisture expansion properties and method for using same - Google Patents

Nonwoven joint tape having low moisture expansion properties and method for using same Download PDF

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TW200909633A
TW200909633A TW96147310A TW96147310A TW200909633A TW 200909633 A TW200909633 A TW 200909633A TW 96147310 A TW96147310 A TW 96147310A TW 96147310 A TW96147310 A TW 96147310A TW 200909633 A TW200909633 A TW 200909633A
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Taiwan
Prior art keywords
bonding
tape
coating
fibers
bonding tape
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TW96147310A
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English (en)
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Salvatore Immordino
Richard B Stevens
Charles J Miller
Paul H Neill
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United States Gypsum Co
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Publication of TW200909633A publication Critical patent/TW200909633A/zh

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F19/00—Other details of constructional parts for finishing work on buildings
    • E04F19/02—Borders; Finishing strips, e.g. beadings; Light coves
    • E04F19/06—Borders; Finishing strips, e.g. beadings; Light coves specially designed for securing panels or masking the edges of wall- or floor-covering elements
    • E04F19/062—Borders; Finishing strips, e.g. beadings; Light coves specially designed for securing panels or masking the edges of wall- or floor-covering elements used between similar elements
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
    • D04H1/43835—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • C09J7/21—Paper; Textile fabrics
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • D04H1/4218—Glass fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H13/00—Other non-woven fabrics
    • D04H13/008—Glass fibre products; Complete installations for making them
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/072—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements
    • E04F13/076—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of specially adapted, structured or shaped covering or lining elements characterised by the joints between neighbouring elements, e.g. with joint fillings or with tongue and groove connections
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00—Implements for finishing work on buildings
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2400/00—Presence of inorganic and organic materials
    • C09J2400/20—Presence of organic materials
    • C09J2400/26—Presence of textile or fabric
    • C09J2400/263—Presence of textile or fabric in the substrate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2738—Coating or impregnation intended to function as an adhesive to solid surfaces subsequently associated therewith
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Laminated Bodies (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Paints Or Removers (AREA)
  • Sealing Material Composition (AREA)
  • Building Environments (AREA)
  • Floor Finish (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Description

200909633 九、發明說明： 【先前技術】 另口壁天彳^•板、地板、隔板、浴缸圍繞物及類似物一般 由多塊板（常稱為"面板”）建成。該板可由多種材料中之: 何材料構成，該等材料包括(但不限於)黏結性材料，諸如 ^泥或石膏。通常，當兩塊板在使用中彼此鄰接時，在該 等板之間界疋稱為接合處的間隙或接缝。已熟知用特定製 帛之黏著劑(稱v.接合化合物")填充及塗覆接合處。此項 &術中已知兩種類型之接合化合物：凝固型及乾燥型(其 可以摻水即可用之形式獲得）。此方法亦用於諸如表面不 勻：孔洞、凹陷、間隙、凹痕及包括圍繞電盒、管道系統 及吕道支架之瑕疵的其他瑕疵之缺陷以及無漿牆板之交會 所形成之拐角的修復。 曰 在此項技術中已熟知使用接合膠帶完成板間之接合通常 包括三個步驟。首先’在板接合處塗佈接合化合物之薄 層，且將膠帶嵌埋於其内。此步驟一般稱為嵌埋步驟。接 著，在所嵌埋之接合膠帶上塗佈接合化合物之第二塗層。 此步驟-般稱為填充步驟。接合化合物之第二塗層通；延 展超出接合膠帶之邊緣約2忖。最後，在前兩個塗層上塗 佈接合化合物之第三塗層’其中該第三塗層通常進一步向 外延展出接合膠帶之邊緣。此一般稱為修整步驟。由於紙 接合膠帶在來自接合化合物之水分存在下膨服，因此在接 合化合物之前-塗層及接合膠帶完全乾燥之前，不能塗佈 接合化合物之第二塗層及第三塗層，而完全乾燥通常需要 126589.doc 200909633 24小時之久。此意謂完成板接合需要三天之久。若膠帶為 自黏膠帶，則僅需要步驟（ii)及（iii)，且因此完成接合需要 長達兩整天。
接:膠帶增加平接處及内彎角處之強度及抗裂性以及平 /月掩蓋。習知地，使用三種類型之接合膠帶：單牛皮紙 條，織布玻璃纖維膠帶；及不織布玻璃纖維膠帶。牛皮紙 條及不織布玻璃纖維膠帶係藉由嵌入接合化合物之塗層黏 附於諸如無聚牆之板表面’或其為自黏^。織布玻璃纖維 :帶通常為自黏型’但亦可用釘固定在牆壁上。紙接合膠 ▼施用♦’則帛等候一天之久以便在接合化合物及勝帶完 全乾燥之後可再塗佈接合化合物之下一塗層。 玻璃纖維膠帶具有不可膨m性及抗拉及抗起皺性。然 而不織布玻璃纖維膠帶遭受低拉伸強度且當與習知接合 化口物 < 使用時易於開裂。織布玻璃纖維膠帶具有足夠 的拉伸強纟’但用乾燥型接合化合物產生之板接合易於開 裂’且因此織布玻璃纖維膠帶僅推薦與凝固型化合物一起 使用。 因此’此項技術中仍需要經改良之具有高強度及降低之 因濕膨脹之接合膠帶。此外，仍需要完成板塊之間之接合 的文良方法’以降低或免除對於接合化合物乾燥前之等候 的福要纟發明提供該接合膠帶及該方法。本發明之該等 及”他優點以及其他本發明特徵自本文中所提供之本發明 之描述將顯而易見。 【發明内容】 126589.doc 200909633 本發明提供用於完成板(諸如無聚牆、水泥板或類似物) 之間之接合的接合膠帶，其包含—不織布基板，該不織布 基板在水的存在下不日請親且具有足㈣度讀在塗佈 期間抗撕裂及抗開裂。在—實施例中，該接合膠帶包含一 不織布基板’該不織布基板包含選自由天然紙㈣維、合 成聚合纖維、玻璃纖維及其組合組成之群之纖維，其中如 根據ASTM C474-G5所測定，該不織布基板較佳具有： •小於約1.3 %之橫向膨脹百分率；
•小於約0.2%之縱向膨脹百分率；及 •在橫向上具有至少約15磅力/吋之拉伸強度。 本發明進-步提供一種完成板間接合的方法其包含使 用本發明之接合膠帶。申請者驚人地發現，使用本發明之 接合膠帶可顯著減少完成接合所需之時間。特定而言，可 在第-塗層之上塗佈接合化合物之第二塗層而無需等待第 -塗層或接合膠帶乾燥。因&，在另—實施例中，本發明 提仏種方法’ β亥方法包含：⑴藉由將本發明之接合膠帶 後埋於接合化合物之第-塗層内而將該膠帶塗佈於板間之 接合處；（ii)在該膠帶上塗佈接合化合物之第二填充塗 層，及視需要（iii)在該膠帶上塗佈接合化合物之第三填充 或修整塗層’ #巾步驟iiA/或出係在前一塗層及/或接合 膠帶已大體乾燥或凝固之前執行。 【實施方式】 本發明大體而言係關於接合膠帶、完成板間接合的方法 及用於黏結性材料之強化體。如本文中所使用，完成板接 126589.doc 200909633 合係指將膠帶及接合化合物塗佈於板間之接合處以便形成 板總成’完成後’板總成可藉由諸如塗漆、貼壁紙、究 磚、面板及類似物進一步處理。本發明之接合膠帶可與用 於形成牆壁、天花板、地板、隔板、浴缸圍繞物、垂直及 水平井壁、樓梯井、區域分隔牆及類似物之板一起使用。 舉例而言’本發明之接合膠帶可與SHEETR〇ck㊣無敷踏 產品及DUROCK®水泥板產品（自United States Gypsum
Company購得）以及競爭產品及類似產品一起使用。該板可 由多種材料中之任何材料構成，該等材料包括（但不限於） 黏結性材料，諸如水泥或石膏。術語"無漿牆"係說明性地 使用，但正如普通熟習此項技術者所瞭解，其包括多種產 品，諸如壁板、纖維板、玻璃面石膏板、水泥板及類似產 品。術語，，膠帶"意謂可以例如卷筒形式提供之帶狀材料， 其可含或可不含黏性襯底層且其最好符合ASTM C474-05 及C475中所述之標準。 本發明係關於包含一種接合膠帶，其包含一在水分存在 下大體不可膨脹之纖維之基板。在此態樣中，本發明至少 部分係以本發明者包含—基板之接合膠帶的驚人且意外之 發現為前提，如根據ASTM C474-05所測定，該基板具有 1於 '.勺1.3 /〇之松向膨脹百分率及小於約〇 2%之縱向膨脹百 刀率舉例而έ，在有些實施例中，該基板具有小於約 1%之橫向膨脹百分率及小於約G15%之縱向膨脹百分率。 該基板較佳具有小於約Q · 8 %之橫向膨脹百分率及小於約 〇.1%之縱向膨脹百分率。在有些實施例中，該基板具有小 126589.doc 200909633 於約1.3%之橫向膨脹百分率及小於約〇, 1 5%之縱向膨服百 分率；小於約1 · 3 %之橫向膨脹百分率及小於約〇. 1 %之縱白 膨脹百分率；小於約1%之橫向膨脹百分率及小於約〇 2% 之縱向膨脹百分率；小於約1 %之橫向膨脹百分率及小於 約0.1%之縱向膨脹百分率；小於約0.8%之橫向膨脹百分率 及小於約0.2%之縱向膨脹百分率；或小於約1%之橫向胺 脹百分率及小於約0.1 5 %之縱向膨脹百分率。
該接合膠帶亦需具有足夠的強度以在塗佈於無聚牆接人 處期間避免斷裂。因此，本發明之接合膠帶較佳包含在橫 向上具有如根據ASTM C474-05所測定至少約15磅力/吋之 拉伸強度的基板。在有些實施例中，該基板在橫向上具有 至少約18磅力/吋之拉伸強度。該基板較佳在橫向上具有 至少約20碎力/吋之拉伸強度。 該基板為不織布基板。如本文中所使用，術語，，不織布 基板"係指一種具有單纖維或單絲結構的網狀物，該結構 係插入其中，但並非如在針織物中般係以可識別方式插 ▲入。不織布網狀物或織物可由多種方法形成，該等方法係 諸如溶噴方法、紡黏方法及黏合梳理成網方法。不織布基 板可具有提供接合化合物穿過膠帶之^夠滲透性的任何二 當孔徑，⑼而增強膠帶與其所塗佈之無聚牆之間與接合化 合物之黏合（亦即’如輯ASTMC 474领測定，與接人 :合物之黏合增強至少約9Q%)。根據TAPP! 了彻⑴吻 方法），以空氣阻力量得不敏 Χ 付不織布基板之流體滲透率最好為 約6秒或小於6秒（例如 门 、’’、私或小於5秒，或約4秒或小於4 126589.doc •10- 200909633 秒）。不織布基板之滲透率上限係受如上所述對足夠拉伸 強度之需要所限制。 不織布基板可包含任何適當纖維。舉例而言，不織布基 板可包含選自由天然紙漿纖維、合成聚合纖維、玻璃纖維 及其組合組成之群的纖維。天然紙漿纖維可包括木質紙漿 纖維（包括軟木及硬木紙漿纖維）、稻草纖維、植物及草漿 纖維（諸如大麻、黃麻、紅麻及竹漿纖維）、棉漿纖維及類 似纖維。在有些實施例中，天然紙I纖維為木質紙聚纖 維’諸如彼等用於造紙中之纖維。合成聚合纖維可包括包 含選自由以下各物組成之群之聚合物的纖維：聚酯、聚乙 烯、聚丙稀、耐綸（nylon)、聚乙酸醋、聚丙烯酸、聚苯乙 烯、聚乙酸乙稀酉旨、螺縈（rayt)n)、聚氣乙稀、其共聚物及 v、組口在有些實施例中，合成聚合纖維包含聚酯、聚乙 烯、聚丙烯或其組合。 /為滿足上述對膨脹百分率及拉伸強度之要求，選擇用於 形成供本發明接合膠帶使用之不織布基板的纖維。該不織 布基板通*包含鬲比例之合成聚合纖維，較佳係聚酯纖 維。此外’不織布基板可包含天然紙漿纖維，較佳木質紙 毁纖維及/或玻璃纖維H施例中，不織布基板包含 口成聚口纖維、木質紙漿纖維及玻璃纖維。在有些實施例 中不織布基板包含至少約3 〇 wt %或3 〇 %以上之合成 聚口纖維小於約i wt %之天然紙漿纖維及，或小於約5〇 wt.%之玻璃纖維，其中重量係基於不織布基板之總 計。 126589.doc 200909633 人用於本發明接合膠帶甲之不織布基板係視需要進一步包 豸。d黏σ劑通常係在形成不織布基板期間添加，以 促進纖維點附且改良所得基板之強度。該黏合劑可為任何 l田的黏σ劑’其中多數係為此項技術中已知的。黏合劑 可為聚合物黏合劑，例如由乙酸乙烯酯、乙烯醇、氯乙 烯、丙婦酸、乙基乙酸乙稀酯及乙基氯乙婦形成之聚合 物、；殿粉及其組合。 黏合劑亦可為澱粉或澱粉衍生物。適當澱粉包括玉米、 蠟質玉米、高[白高粱、小麥、馬鈴薯及木薯。適當的 殿粉衍生物包括經乙基殿粉喊、澱粉乙酸醋、殿粉磷酸 醋'殿粉順丁稀二酸醋、殿粉丙醯胺、陽離子性殿粉、氧 化殿粉及氰基乙基藏粉’且特定言之，包括經乙基化馬鈴 薯澱粉、陽離子性馬鈴薯澱粉、酸改質玉米澱粉、羥乙基 化玉米殿粉、氧化玉米殿粉及其混合物。亦包括交聯㈣ 及澱粉轉化產物，諸如糊精（例如白糊精、金黃糊精及英 國膠_地gum))、麥芽糊精、熱化學轉化型澱粉及氧化 澱粉。 黏合劑較佳係選自由聚乙烯醇、聚乙酸乙烯酯、聚乙烯 乙酸乙烯酯、聚氯乙烯、交聯澱粉及其組合組成之群。在 有些實施例中’黏合劑最好為交聯殿粉。在其他實施例 中，黏合劑最好為聚乙烯醇及/或聚乙酸乙烯酯。在其他 實施例中，黏合劑最好為交聯澱粉與聚乙烯醇及/或聚乙 酸乙烯酯之混合物。 用於本發明接合膠帶中的不織布基板視需要經增黏劑至 126589.doc 200909633 少部分塗佈。增黏劑為一 θ 人搬册 a —將膠帶塗佈於牆壁上可改良接 &勝f與接合化合物間 ㊈σ且隨後使接合化纟物滲透性 膠讀附該板(例如無裝牆)表面之任何製劑。舉例而+， =劑可選自由乙酸乙烯sl、乙_、氯乙烯、丙㈣、 乙基乙酸乙稀醋及乙基氯乙稀所形成之聚合物、殿粉及豆 組合組成之群。增黏劑較佳係選自由聚乙酸乙烯醋、聚乙 烯醇及其組合組成之群。 在有些實〜例中’用於本發明之接合膠帶中的不織布基 :反視需要在該不織布基板之至少背面上包含黏著劑。該黏 者劑可替代增黏劑使用或配合增黏劑使用。該黏著劑通常 為屢敏性黏著劑中多數在此項技術中已知。如本文中 :使m指任何可釋黏著劑或可釋膠黏構件。適 田黏著劑包括可與膠黏劑組合的丙婦酸自旨黏著劑，例如丙 烯酸異辛S旨與丙烯酸之共聚物或乙酸乙稀醋.丙烯酸2_乙基 己S旨共聚物。或去，^1- ^ # 黏者劑可包含速凝熱塑性"熱熔"黏著 在”他實把例中，需要不織布基板在塗佈之前輕微砂 :。輕微砂磨表面可改良塗佈期間膠帶與接合化合物之黏 合且隨後與無漿騰表面之黏附。砂磨可單獨使用或與增黏 劑及/或黏著劑組合使用。 本發明之接合腺_维i θ
〇膠帶可具有任何適當厚度。根據ASTM
C 4 7 4 0 5 ’ 適用 丁 | I 於業中之接合膠帶應具有約0.012吋或小 於0 _ 01 211寸之厘痒 » . 巧'度。在有些實施例中，本發明之接合膠帶 具有約0 · 01呀或jΛ Λ 飞J於〇·〇ΐ吋之厚度，或約0,008吋或小於 126589.doc •13· 200909633 0.008 寸之厚度。本發明册 月之接a膠▼較佳具有約〇 〇〇7吋或 小於0.007对之厚度、約〇 4 0,006吋或小於0.006吋之厚度、約 0.00W或小於0.005, f之厚度，或約G⑽忖或小於請4叶 之厚度。 本發明之任何實施例之接合膠帶可進一步包含任何其他 適當的添加劑’諸如染料或顏料、阻燃劑及鑑別標記，其
中多數在此項技術中已知。此外，接合㈣可經由中部預 折或預刻，以便於塗佈至内角。 本發明之接合膠帶最好用於完成板間之接合。本發明之 接合膠帶之一優點在於’該不織布基板在水分存在下具有 低膨脹百分率。此特徵在完成板間接合之情形下尤其需 要’因為塗佈本發明之接合膠帶不需要塗佈膠帶者等候接 合化合物及膠帶已乾燥後再可塗佈接合化合物之另一'塗 層。 、 因此，本發明之任何實施例之接合膠帶最好用於完成無 漿牆接合之方法中。在一實施例中’肖方法包含：⑴將接 合膠帶嵌埋於板間接合處上之接合化合物之第—塗層内； (⑴在接合膠帶上塗佈接合化合物之第二填充塗層；且視 需要（iii)在該膠帶上塗佈接合化合物之第三填充或修整= 層，其中步驟（ii)及/或（in)係在前一塗層已大體 — 孔缽义刖 仃。該方法視需要進一步包含：（iv)在該膠帶上塗佈第 四填充或修整塗層；及視需要（v)在該膠帶上塗佈接合化八 物之第五修整塗層，其中步驟（iv)及（v)係在先前塗層已大 體乾燥之前執行。如本文中所使用之術語”嵌埋，，意謂將膠 126589.doc -14 - 200909633 帶至少部分地固著或安置於接合化合物上或接合化合物 内。接合膠帶可完全或部分地嵌埋在接合化合物内。 在另一實施例中，該方法包含：⑴使用諸如壓敏性黏著 劑之黏著劑將本發明之任何實施例之接合膠帶塗佈於板間 之接合處；（ii)在該接合膠帶上塗佈接合化合物之第一填 充塗層及視需要（iii)在該膠帶上塗佈接合化合物之第二填 充或修整塗層’其中步驟（iii)係在該第一塗層已大體乾燥 之前執行。該方法視需要進一步包含在該膠帶上塗佈接合 化合物之第三、第四或甚至第五填充或修整塗層，其中其 他各塗層係在先前塗佈之塗層已大體乾燥之前塗佈。 如本文中所使用之術語”大體乾燥”係指已塗佈於紙接合 勝帶上之接合化合物中所存在之水已充分蒸發以使得因水 分存在所出現之膠帶之任何膨脹已大體或完全消除的時 點。在本發明之方法中，可在接合化合物中存在之任何水 已例如藉由蒸發移除之前塗佈接合化合物之後續塗層。通 :’可立刻(諸如在約3〇分鐘内、在約H、時内或在約3小 時内）塗佈接合化合物之第二塗層或後續塗層。 方=:進一步說明本發明，當然不應理解為以任何 方式限制其範圍。 只 \7%\ 本實例明本發明之 月之不可膨脹接合 接合膠帶相當的拉伸強…有叮與$知紙 m#4» ^ ^ ^ 子接5化合物之黏合性。 楔仿私準紙接合膠帶尺寸 I纖維(Ahlstr〇m 7136) 版匕3聚_、玻璃及木質紙 )換合物的不織布材料切成兩個3, 126589.doc 200909633 條帶。使用12 〇粗砂砂紙在一側輕微砂磨一條帶。未砂磨 之不織布條帶具有9.5士0.3 mil(242土7微米）之厚度。經砂磨 之不織布條帶具有8.2士〇.2 mil(207±4微米）之厚度。 此外，獲得兩個習知紙接合膠帶（Sheetrock™牌膠帶）用 於比較目的。使用12 0粗砂砂紙在一側輕微砂磨紙接合膠 帶中之一者。未砂磨之紙帶具有8.5土0.3 mil(216士7微米）之 厚度。經砂磨之紙帶具有8·5 士 0.1 mil(217 士 2微米）之厚度。 測定四個條帶中之每一者之拉伸強度。對於經砂磨之材 料依照 ASTM C 474(1/2"規格，0.66 in/min，73°F，50% RH)且對於未砂磨之材料依照TAPPI T 494om(7"規格，1 in/min ’ 73°F ’ 50% RH)測定橫向上之拉伸強度。對於經 砂磨之材料與未砂磨之材料皆依照TAPPI T 494om(7”規 格’ 1 in/min ’ 73°F，50% RH)測定在縱向上之拉伸強度。 拉伸強度報導於表1中。 材料 表1 橫向 縱向 Ahlstrom 7136-未砂磨^ 29.7土0.7 lb/in (5200土 123 N/m) 44.1±1.1 lb/in (7719±192N/m) Ahlstrom 713 6-砂磨 ''''--- 14.6± 1.3 lb/in (2564±119N/m) 26.6±3.5 lb/in (4651 ±618 N/m) 紙-未砂磨 30·1±0·1 lb/in (5274±23 N/m) 52.7±0.3 lb/in (9225土 50 N/m) 紙-砂磨 -—-_ 31.1±1.1 lb/in (5441 土 186 N/m) 41.5±1.5 lb/in (7270士270 N/m) 接著將各不織布材料條帶用SHEETROCK™牌凝固型接 合化合物塗佈於壁板（無漿牆）面板接合處。在多種條件下 根擄:ASTM C474-〇5測定條帶與壁板接合化合物及無漿牆 126589.doc -16- 200909633 材料與接合化合 100% 100% 90%Π〇〇% l6%^72°/〇 ~Ύδδ%~ 表面所產生之黏合性。在多種條件下各種 物之ASTM黏合性提供於表2中。 表2
Ahlstrom 7136
100% ~Ϊ00%~ ~83%^T〇〇% ^"0^20%" ~100%~~ 條件 一室溫 烘箱（110°F) ~ ~~85°F/10°/〇 R.H. ~ —~75T/50% R.H.~~ 40〇F/80°/〇 R.H.~ 回復率 75°F/50%Rlf “等、σ果戍明’本發明之不織布不可膨脹材料可用作接 合膝帶而不降低拉伸強度及與接合化合物及無㈣ 黏合性。 所有參考文獻（包括本 及專利）均以引用之方式 參考文獻單獨且經具體指 於本文中一般。 文中引用之公開案、專利申請案 併入本文中，其併入程度如同各 示以引用之方式併入並全文闡述 否則在描述本發明之 /、τ文有明顯抵觸， 上下文中）使m， 以下中請專利範圍之 > 5吾’—Π及"該"及類似指示物涵蓋單數盥複 數形式。應理解，险非3 士 干双，、稷 有”、”包括”及..含有=:明’否則術語''包含，’、”具 不限於r)。除非本文中另有說明，否二包括(但 範圍之敍述充當個別提及屬於該範圍内之各獨=^數， 述方去，且各獨立數值併入本說的間 敍述於本文中—如 的程度如同其個別 般。除非本文中另有說明或與上下文有明 126589.doc 200909633 顯抵觸，否則本文中所述之所有方法可以任何適當順序執 仃。除非另有主張，否則僅希望本文中所提供之任何及所 有實例或例示性語言（例如"諸如係用於更好地闡明本發 明而非限制本發明之範圍。本說明書中之語言不應解釋為 指不任何未經主張之要素為實施本發明所必需。 本文中已描述本發明之較佳實施例，包括發明者已知之 實施本發明之最佳方式。普通熟習此項技術者辨讀以上說 明後’彼等較佳實施例之變化形式變得顯而易見。本發明 者預期熟習此項技術者可視需要利用該等變化形式，且本 發明者意欲本發明可以不同於本文中具體所述之其他方式 實施。因&，如適用法律所容許，本發明包括隨附申料 利範圍中所述之本發明標的之所有修改及等價物。此外， 除非本文中另有說明或與上下文有明顯抵觸，否則本發明 涵蓋其所有可能變化形式中之上述要素之任何組合。 126589.doc -18·

Claims (1)

  1. 200909633 十、申請專利範圍： ^ :種接合膠帶’其包含—不織布基板，該*織布基板包 各選自由天然紙漿纖維、合成聚合纖維、玻璃纖維及其 、^ 5、’且成之群之纖維’其中如根據ASTM C474-05所測 定’該不織布基板具有： •小於約1.3°/。之橫向膨脹百分率； •小於約0.2%之縱向膨脹百分率；及 •橫向上至少約15磅力/吋之拉伸強度。 2.如巧求項1之接合膠帶，其中如根據ASTM C474-05所測 定’該不織布基板具有： •小於約0.8°/。之橫向膨脹百分率； •小於約0.1 %之縱向膨脹百分率；及 •橫向上至少約20磅力/吋之拉伸強度。
    如印求項1之接合膠帶，其中該等纖維包含天然紙漿纖 維與破螭纖維。 如清求項1之接合膠帶，其中該等纖維包含選自由以下 各物組成之群的合成聚合纖維：聚酯、聚乙烯、聚丙 烤、耐論（nyl〇n)、聚乙酸酯、聚丙烯酸、聚苯乙烯、聚 乙酸乙烯酯、螺縈（rayon)、聚氯乙烯、其共聚物及其組 合〇 5.如句求項1之接合膠帶，其中該等纖維包含聚酯纖維。 6·如清求項1之接合膠帶，其中該等纖維包含天然紙漿纖 維且該等天然紙漿纖維為木質紙漿纖維。 7_如清求項1之接合膠帶，其中該不織布基板包含黏合 126589.doc 200909633 8·如請求項7之接合膠帶，其中該黏合劑係選自由聚乙烯 醇、：：酸乙烯醋、聚乙烯乙酸乙稀_、聚氯乙烯、級 粉、交聯澱粉及其組合組成之群。 /員7之接合膠邢，其中該黏合劑為交聯澱粉或交 聯殿粉與聚乙烯醇之組合。 10·如1求項i之接合膠帶，其中該不織布基板係經 至少部分塗佈。 11.如明求項1G之接合膠帶，其中該增黏劑係選自由由乙酸 乙稀醋、乙烯醇、氣乙烯、丙婦酸、乙基乙酸乙稀醋及 乙：氣乙烯所形成之聚合物、澱粉及其組合組成之群。 12·:味求項1〇之接合膠帶，其中該增黏劑為聚乙酸乙烯 酉曰' 聚乙稀醇或其組合。 13:求項1之接合膠帶’其另外包含-黏著劑於該不織 不基板之至少背面上。 14.:凊未項i之接合膠帶，其中以該不織布基板之總重量 计，該不織布基板包含至少約30 wt%或30 wt%以上之 合成聚合纖維。 ㈣1之接合膠帶’其中該不織布基板包含小於W wt_/°之天然紙漿纖維。 16· 一種完成板間接合的方法，該方法包含： (1) #由將包含-不織布基板的接合膠帶至少部分地 板=接合化合物之第—塗層内而將該接合 板間之該接合處，該不織布基板包含選自由天，然紙1 纖 126589.doc 200909633 、准、合成聚合纖維、玻璃纖維及其組合組成之群之纖 維，其中如根據ASTMC474_〇5m測定，該*織布基板具 有】、於約1.3%之杈向膨脹百分率、小於約〇 2%之縱向膨 脹百分率及橫向上至少約15磅力/吋之拉伸強度；及 (11)在該膠帶上塗佈接合化合物之第二塗層， 其中步驟（ii)係在⑴中所塗佈之接合化合物之該第—塗層 已大體乾燥之前執行。 17. 如明求項16之方法，其中該不織布基板另外包含一黏著 劑於該不織布基板之至少一背面上。 18. 如明求項16之方法，其進一步包含（丨丨丨）在該膠帶上塗佈 接口化合物之第三塗層，其中步驟（iH)係在該第二塗層 已大體乾燥之前執行。 19_如請求項16之方法’其中該等板係選自由無衆牆及水泥 板組成之群。 20. —種完成板間接合的方法，該方法包含： (1)使一包含不織布基板及在該不織布基板之至少一 背面上之黏著劑的接合膠帶利用該黏著劑而塗佈於板間 接口處，其中5亥不織布基板包含選自由天然紙漿纖 維、合成聚合纖維、玻璃纖維及其組合組成之群之纖 維，其中如根據ASTMC474-05所測定，該不織布基板具 有小於約ι_3%之橫向膨脹百分率、小於約m之縱向膨 脹百分率及橫向上至少約15磅力/吋之拉伸強度；及 (II) 在該膠帶上塗佈接合化合物之第一塗層，及 (III) 在該膠帶上塗佈接合化合物之第二塗層， 126589.doc 200909633 其中步驟（iii)係在（ii)中所塗佈之接合化合物之該第一塗 層已大體乾燥之前執行。 126589.doc • 4 - 200909633 七、指定代表圖·· (一) 本案指定代表圖為：（無） (二) 本代表圖之元件符號簡單說明： 八、本案若有化學式時，請揭示最能顯示發明特徵的化學式： (無） C 126589.doc
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JP5602430B2 (ja) 2014-10-08
EP2092102A4 (en) 2010-04-21
ATE540150T1 (de) 2012-01-15
RU2439224C2 (ru) 2012-01-10
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CA2671795A1 (en) 2008-06-19
JP2018135519A (ja) 2018-08-30
US9783998B2 (en) 2017-10-10
US20160273234A1 (en) 2016-09-22
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US9376824B2 (en) 2016-06-28
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US10352050B2 (en) 2019-07-16
WO2008073206A1 (en) 2008-06-19

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