TWI277681B - Flowable and meterable densified fiber particle - Google Patents
Flowable and meterable densified fiber particle Download PDFInfo
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- TWI277681B TWI277681B TW092127015A TW92127015A TWI277681B TW I277681 B TWI277681 B TW I277681B TW 092127015 A TW092127015 A TW 092127015A TW 92127015 A TW92127015 A TW 92127015A TW I277681 B TWI277681 B TW I277681B
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H5/00—Special paper or cardboard not otherwise provided for
- D21H5/12—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials
- D21H5/14—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of cellulose fibres only
- D21H5/141—Special paper or cardboard not otherwise provided for characterised by the use of special fibrous materials of cellulose fibres only of fibrous cellulose derivatives
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/253—Cellulosic [e.g., wood, paper, cork, rayon, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2964—Artificial fiber or filament
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2913—Rod, strand, filament or fiber
- Y10T428/2933—Coated or with bond, impregnation or core
- Y10T428/2964—Artificial fiber or filament
- Y10T428/2965—Cellulosic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Nonwoven Fabrics (AREA)
- Paper (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Reinforced Plastic Materials (AREA)
Description
1277681 玖、發明說明: 【發明所屬之技術領域】 本發明係關於可流動及可測量之㈣纖維顆粒。藉由機 械作用,該産物易分散在水中或乾燥介質中,且其特別可 用於充當黏性組合物之添加劑。 【先前技術】 纖維素纖維通常經濕式地形成於一長網造紙機滅網 (F_ddnier screen)上,且壓縮成一薄板。該薄板經脫水、 乾燥’且捲成較大的捲筒’以用於儲存及運貨給顧客。爲 使用該漿料(pulp)’顧客通常將該等薄板引人—錘磨機或切 塊機中,來分離且單-化該等纖維,意即,將薄板分離成 較小部分或個別纖維,該等較小部分或個別纖維接著形成 短纖漿而被該顧客使用。 對某些使用而言,該短纖漿可直接使用,(例如)用以製 造經空氣沈降之吸收産物。但是,對許多其他使用而言, 這些使用包括(但不限於)吸收產物與充當黏性材料之添加 $,及被鑄模或被擠出之聚合産物,該聚料必須被分散至 含水介質中。但是’當短纖漿使用於(例如)黏性或聚合産 物中時’其不易流動及/或不具可測量性以供混合時精確 測。 【發明内容】 本I明提供一種不僅易被分散至含水或乾燥介質中,而 且還具有可流動及可測量性的漿料産物,使得其可被傳送 且以精確量被量測,以用於分批或連續加m産品, 88323 1277681 =由短纖聚製成之點性或聚合或其他産物。該產物本 二…流動、可測量且易分散之纖維素纖維材料。該材 匕含稷數個離散顆粒,各顆粒包含複數個被單一化且稠 以^纖料纖維。㈣顆粒將易滑動或互相流動通過,所 /、易猎由用於顆粒之習知材料裝卸設備而被傳送。在一 =中,該等顆粒係相對扁平的,且具有至少約爲1〇平 ^、(sq. m啦總表面積。該等顆粒較佳具有大於或等 於〇·3 g/cc之密度。 ^明亦提供-種製造可流動及可測量之纖維素顆粒的 法,該等顆粒易分散至含水或乾燥介質中。該方法包含 •百先對纖維素纖維單—化,以形成大量被單-化且未黏 合之纖維;其後稠化該等被單一化之纖维,且 形成爲離散顆粒,每—離散顆Mm 該專纖維 — 離政顆粒包含複數個未黏合纖維。 ===稠化該等被單-化之纖維’接著形成離散顆粒 /成該專顆粒。亦可藉由同時稠化且形成該等顆粒,或 =將多個組之纖維分離或稠化爲離散顆粒,來製作該等 【實施方式】 纖維素纖維被轉換成本發明之可流動及可測量之形態。 本發明包含複數個離散顆粒。該等離散顆粒中的每=又 由複數個漿料纖維組成。離散顆粒由被單-化之漿料爐維 製成’該等漿料纖維接著被稠化且被形成爲離散顆粒’。該 等離散顆粒不僅具有可用於習知材料裝卸設備的 2 可流動性,而且當被放置在含水或乾燥介質中時,“易 88323 1277681 且迅速地分散成複數個被單一化之漿料纖維。在含水介質 中的分散通常需要輕微攪動,以導致該介質與纖維之相對 運動。在乾燥介質中的分散需要機械混合,以導致該介質 與該等纖維之相對運動。該等顆粒尤其可用於製造其中該 等纖維充當填充物(filler)及增強劑之功能之最終産品。該 等材料之實例包括黏性産物(例如壁面板),及由聚合材料 製成之被鎮模或被擠出之産物。 可用多種方法製造被單一化之纖維。在習知漿料磨機中 製造之漿板可被引進至一錘磨機中,且被分離成個別纖維 ’以形成在本發明中可使用的被單一化之漿料纖維。或者 ,可藉由將從未被乾燥之漿料自一漿料磨機直接引入至一 喷氣乾燥爐中,以同時乾燥且單一化該等漿料纖維,來製 造該等被單一化之漿料纖維。以此方式製作被單一化之聚 料纖維的方法在以下申請案中被揭示:2〇〇1年1〇月3〇曰申 請,標題爲π製造乾燥且被單一化之纖維素漿料纖維的方法 (Process to Produce Dried Singulated Cellulose Pulp Fibers)”之共同申請的美國專利第〇9/998,143號;2〇〇2年i 月16日申明’才示超爲製造乾燥且被單一化之交聯纖維素聚 料纖維的方法(Process f0r producing Dded Singulated
Crossliiiked Cellulose Pulp Fibers)"之美國專利第 1〇/〇51,872 號。該等申請案之全文因此以引用的方式併入本文中。 可利用很多種漿料,以製造特別可用於本發明中的被單 一化之漿料纖維。任何硫酸鹽漿、亞硫酸鹽、蘇打或鹼蒸 煮方法均被認爲適合獲得在本發明中使用之漿料。在本發 88323 1277681 明中使用的合適漿料亦可自機械製漿方法而獲得,例如熱 機械漿料、化學熱機械漿料、精煉機械漿料及石料磨木= 漿(stone groundwood)。一特別可最終用於黏性材料中之漿 料具有較低化學需氧量,且述於美國專利申請第1〇/2〇9,4f7 號中,其於2002年7月30曰申請且標題爲,,非常低化學需氧 量之未漂白漿料(Very Low COD Unbleached Pulp)”。該申 請案之全文因此被以引用方式併入本文。根據本發明可使 用之另一 t 料由 Weyerhaeuser Company 〇f Tac〇ma,
Washington以TYEE的商標出售。τγΕΕ聚料爲由鋸屬 (sawdust)所製作的漂白軟木漿料。 可衍生出該漿料的纖維素纖維可來自任何木質或非木質 來源。在所有纖維素纖維來源中,木質漿料最佳,由於其 易獲取且價格便宜之故。纖維素纖維之自然來源包括軟木 種(softwood Species),其包括美國長葉松、花旗松、雲杉 、鐵杉及放射松(Radiata pine)。除該等軟木纖維來源外, 漿料亦可由硬木種(例如桉樹)製成。亦可使用非木質纖維 素纖維,其包括麥桿(straw)、亞麻、洋麻、***、黃麻、 甘蔗渣(bagasse)、劍麻或相似材料。與基於木質的纖維相 同,非木質纖維原料亦可製漿,且接著用來提供該漿料, 以用於製造根據本發明可使用的被單一化之漿料纖維。 適合的輔劑,例如天然或合成的其它纖維及/或任何化學 處理,也可在根據本發明處理前與該漿料混合。適合的輔 劑包括偶合劑、矽酸鹽、沸$、膠乳、交聯劑、去黏結劑 (debonder)、界面活性劑、分散劑、黏土、碳酸鹽、殺菌劑 88323 1277681 、染料、抗菌組合物、阻燃劑、防腐劑、合成纖維(例如聚 、稀水Sg來酿細、螺縈溶胞纖維(rayon lyocell))、玻璃 纖維、奴化纖維,及其他任何天然纖維(例如羊毛、絲綢及 不同種類之木質或非木質纖維,例如硬木、軟木、OCC、 、, 棉彳t*麥杯、亞麻、***、黃麻、甘蔗渣、劍.麻與 洋麻,及其相似材料)。例如較好使用偶合劑以使該等纖維 紇合至基質。適合的輔劑之其他實例描述於ChHst〇pher j. Biermann (Biermann)所著之製漿與造紙手冊(Handb〇〇k 〇f
Pulping and Papermaking)第二版中的 194至 206頁中,該等 頁面之全文以引用方式併入本文中。在2002年6月28日申請 ‘遞爲使用喷氣乾燥機及射出液流製造乾燥單一化纖維 素Λ水之方法及由其製得之產物(p⑺ass Pr〇ducing
Dried Singulated Cellulose Pulp Fibers Using a Jet Drier and
Injected Steam and the Product Resulting Therefrom)”之美 國專利第10/187,213號中描述漿料之其他輔劑,其揭示内容 之全文以引用方式併入本文中。 接著,如以上所製造的經單一化之纖維根據本發明予以 稠化。可藉由若干習知方法中的任何一種而分別稠化該等 纖、准稠化之一共同形式爲··將單一化纖維之鬆弛結合團 通過一對壓送捲筒(nip rou),該對壓送捲筒將其壓縮成一 鬆弛結合之薄板。若需要,則可將該單—化之衆料纖維在 一習知空氣沈降機器中予以空氣沈降。接著,可藉由習知 方法稠化或壓縮該經空氣沈降的墊片(pad),且接著利用旋 轉式衝壓或旋轉式沖模將其形成爲複數個離散顆粒。據信 88323 •10- 1277681 ’儘管亦可φ 與該纖維沾人現某些粒子結合’但是該稠化形態可機械地 、、 。〇。已稠化纖維之薄板接著予以切割、定形、
Htp 1、 ^ 社么的式形成離散顆粒。該等顆粒各包含經機械共同 二維::化之複數個衆料纖維。可利用多種方法以將該 二爲離散顆粒。該等方法包括(但不限於)切割、 刀:疋轉式衝壓與旋轉式沖模切割。亦可使用其他 方法。
被早-化之漿料纖維可同時經稠化且形成離散顆粒。基 :::的可使用多種習知設備。旋轉型模型可用來(例如) 早化之水料纖維團製作呈團塊(br咖et⑷形態的離散 顆ti在一旋轉型模型中,單一化之毅料纖維同時被壓縮 且每拉至與壓送捲筒相似之配對捲筒上的空腔中。單一化 2料:維團亦可被引入一組配對齒輪間,在該組配對齒 輪間,漿料在齒輪與齒輪間之空隙間被壓縮。 根據本發明製造之可流動及可測量的離散顆粒較佳具有 大於或等於0.3 g/ee之密度。該密度較佳纽3 g〜幻g/cc 之間,且最佳在G.3g/“與1 g〜之間。對其形狀無特定要 求。但是’該等顆粒必須夠小,以互相流動通過且必須爲 可測量的’所有顆粒均利用一用於顆粒材料之習知材料裝 知設備予以測量。當該等顆粒通常爲扁平時(此情形出現於 當薄板被切割或衝壓成離散顆粒時),較佳情況係,該等扁 平顆粒之兩側上的總表面積爲自i。平方毫米(:…「至"Ο 平方毫来(sq.匪)’且其厚度爲大約〇5至1〇毫米―”且 較佳爲2至5毫米(mm)。根據本發明製作的可流動及可測量 88323 -11- 1277681 之離散顆粒當被引進至含k + 常迅速且容 的或單一化 %王3水或乾燥介質時可非 易地分散,且幾乎立即在兮八 I仕Θ介質中分離成分散 之纖維。 實例 且不欲以任何方式限制此處 以下實例意欲說明本發明 界定之發明範圍。 實例1 、、、’要自一噴氣乾燥爐之網狀輸送器 (screen conveyor)取出,該噴氣乾燥爐已使先前從未乾燥的 硫酸鹽聚(Kraft pulp)予以單—化且乾燥。經單—化之喂料 纖維通過-壓送捲筒,形成已稍化之纖維塾1已稠化之 纖維塾具有0.05英寸之薄板厚度。接著該薄板切割成ι/4英 寸之正方形。該等正方形易在傾斜表面上互相流動通過。 當按此方法製造之約20個正方形放置在一盛有溫水的則 毫升(ml)燒杯中時,其藉由輕微攪拌而在一分鐘内完全且 迅速分散。 實例2 女只例1直接自一喷氣乾燥爐之網狀輸送器取出之單一 化之漿料纖維***一墊片形成器(pad f〇rmer)中。該墊片形 成益係以商標”Pocket Former,,出售,且可自Automated Systems of Tacoma,Washington獲得。該等墊片大約爲4英 寸X 12英寸。該等墊片通過一壓送壓力機直至其大約爲ι/8 英寸厚爲止。利用一 1/4英寸X 3/4英寸之狹槽,而建立一單 衝程(single-stroke)金屬衝壓。接著,藉由此狹槽,以具有 88323 -12- 1277681 相似尺寸之衝壓機衝壓已稠化之薄板。得自該被衝壓薄板 的衝壓脫落物(plug)包含離散顆粒。所製得之離散顆粒體的 主要部分未相對於自該壓送壓力機取出之材料進一步被稠 化’但是’其邊緣被完全加壓且密封。該等邊緣可一起保 有該衝壓脫落物之形狀。複數個衝壓脫落物易在傾斜表面 上互相流動通過。當丨〇個衝壓脫落物放置在一盛有溫水的 9500毫升(mi)燒杯中時,其藉由輕微攪拌而在一分鐘内完 王且迅速分散。不存在由於該衝壓之剪切與壓縮作用而産 生的可視之編織或結點(knot)。 實例3 自驾知硫酸鹽漿薄板製造一對照顆粒。該硫酸鹽漿薄板 以該習知方式在一長網造紙壓力機上製造接著乾燥。來自 該纖維塾之該等纖維未被單一化,或未分離成個別纖維。 該硫酸鹽漿薄板被切割成邊長約爲1/4英寸之正方形,其與 實例1中的正方形相似。當該等正方形***一盛有溫水之燒 杯中且授拌時’在-分鐘後未觀察到分散的跡象並停止該 試驗。 雖然已顯示且描述本發明之較佳實施<列,但是應瞭解在 不偏離本發明之精神及範圍時,可産生各種變化。 88323
Claims (1)
1277681 拾、申請專利範圍: 1 · 一種可流動、可測量日 了分散之纖維素纖維材料,包 含: 複數個離散顆粒,各離 分雕政顆粒包含複數個單一化 化之纖維素纖維。 平化且裯 2·如申請專利範圍第1項之从^ 、之材料,其中該等顆粒係扁平的 且具有大於或等於10平方古上, ^ .,^ 万笔未(sq· mm.)之總表面積。 3·如申請專利範圍第2項之 、 材枓’其中該表面積在10至150 平方毫米(sq· mm·)範圍内。 4.如申請專利範圍第1項 味 艾材枓,其中該等顆粒具有大於或 專於0.3 g/cc之密度。 其中該密度在0.3之 5·如申請專利範圍第4項之材料 g/cc範圍内。 ,其中該密度在0.3之 其中該等顆粒在少於乡 其中該等顆粒具有等方 其中,該厚度在0.5至1 其中該等纖維素纖維i; 6. 如申請專利範圍第5項之材料 g/cc範圍内。 7. 如申請專利範圍第丨項之材料, 一分鐘内可分散在溫水中。 8·如申請專利範圍第2項之材料, 或大於0.5¾:米(mm)之厚户 9.如申請專利範圍第3項之材料, 毫米(mm)範圍内。 ι〇.如申請專利範圍第1項之材料, 一步包含選自由以下久 合物組成之群的輔劑:偶合劑、 酸鹽、沸石、膠乳、交脱 父邮劑、去黏結劑、界面活性资 88323 1277681 分散劑、黏土、碳酸鹽、殺菌劑、染料、抗菌組合物、 阻燃劑、防腐劑、合成纖維、玻璃纖維、碳化纖維,及 天然纖維。 11. 如申請專利範圍第1 0項之材料,其中該等合成纖維係選 自由以下各物組成之群:聚丙烯、聚酯、聚醯胺、聚乙 浠、人造纖維及溶胞纖維(lyocell)。 12. 如申請專利範圍第10項之材料,其中該等自然纖維係選 自由以下各物組成之群:硬木、軟木、棉花、羊毛、絲 綢、麥桿、亞麻、***、黃麻、甘蔗渣、劍麻、洋麻、 回收漿料、OCC及ONP。 88323 2-
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EP (1) | EP1418268A3 (zh) |
JP (1) | JP3746502B2 (zh) |
KR (1) | KR100652329B1 (zh) |
CN (1) | CN100540802C (zh) |
BR (1) | BR0304640A (zh) |
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TW (1) | TWI277681B (zh) |
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-
2002
- 2002-10-25 US US10/280,277 patent/US20040081828A1/en not_active Abandoned
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2003
- 2003-09-30 TW TW092127015A patent/TWI277681B/zh not_active IP Right Cessation
- 2003-10-21 JP JP2003360427A patent/JP3746502B2/ja not_active Expired - Fee Related
- 2003-10-22 BR BR0304640-0A patent/BR0304640A/pt not_active IP Right Cessation
- 2003-10-24 MX MXPA03009775A patent/MXPA03009775A/es active IP Right Grant
- 2003-10-24 CN CNB2003101025987A patent/CN100540802C/zh not_active Expired - Fee Related
- 2003-10-25 KR KR1020030074862A patent/KR100652329B1/ko not_active IP Right Cessation
- 2003-10-25 EP EP03256748A patent/EP1418268A3/en not_active Withdrawn
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2005
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EP1418268A2 (en) | 2004-05-12 |
TW200413600A (en) | 2004-08-01 |
CN100540802C (zh) | 2009-09-16 |
KR20040036670A (ko) | 2004-04-30 |
US20050276968A1 (en) | 2005-12-15 |
BR0304640A (pt) | 2004-08-31 |
EP1418268A3 (en) | 2007-05-16 |
US7306846B2 (en) | 2007-12-11 |
JP2004143658A (ja) | 2004-05-20 |
CN1500937A (zh) | 2004-06-02 |
US20040081828A1 (en) | 2004-04-29 |
KR100652329B1 (ko) | 2006-11-29 |
JP3746502B2 (ja) | 2006-02-15 |
MXPA03009775A (es) | 2005-04-19 |
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