TWI599545B - 玻璃板間隔紙用木漿及玻璃板用間隔紙 - Google Patents
玻璃板間隔紙用木漿及玻璃板用間隔紙 Download PDFInfo
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- TWI599545B TWI599545B TW102148699A TW102148699A TWI599545B TW I599545 B TWI599545 B TW I599545B TW 102148699 A TW102148699 A TW 102148699A TW 102148699 A TW102148699 A TW 102148699A TW I599545 B TWI599545 B TW I599545B
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- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
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- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
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- 229920000728 polyester Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229940096992 potassium oleate Drugs 0.000 description 1
- MLICVSDCCDDWMD-KVVVOXFISA-M potassium;(z)-octadec-9-enoate Chemical compound [K+].CCCCCCCC\C=C/CCCCCCCC([O-])=O MLICVSDCCDDWMD-KVVVOXFISA-M 0.000 description 1
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- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
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- 238000004513 sizing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- XCPXWEJIDZSUMF-UHFFFAOYSA-M sodium;dioctyl phosphate Chemical compound [Na+].CCCCCCCCOP([O-])(=O)OCCCCCCCC XCPXWEJIDZSUMF-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 235000019337 sorbitan trioleate Nutrition 0.000 description 1
- 229960000391 sorbitan trioleate Drugs 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
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- 125000002328 sterol group Chemical group 0.000 description 1
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- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
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- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- STCOOQWBFONSKY-UHFFFAOYSA-N tributyl phosphate Chemical compound CCCCOP(=O)(OCCCC)OCCCC STCOOQWBFONSKY-UHFFFAOYSA-N 0.000 description 1
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 1
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Classifications
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- 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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
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- B65D57/00—Internal frames or supports for flexible articles, e.g. stiffeners; Separators for articles packaged in stacks or groups, e.g. for preventing adhesion of sticky articles
- B65D57/002—Separators for articles packaged in stacks or groups, e.g. stacked or nested
- B65D57/005—Separators for vertically placed articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B65G57/02—Stacking of articles by adding to the top of the stack
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- D—TEXTILES; PAPER
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- D21C3/22—Other features of pulping processes
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- D—TEXTILES; PAPER
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- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
- D21H11/04—Kraft or sulfate pulp
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- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/59—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon
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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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/12—Defoamers
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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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
- B65D85/30—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure
- B65D85/48—Containers, packaging elements or packages, specially adapted for particular articles or materials for articles particularly sensitive to damage by shock or pressure for glass sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2249/00—Aspects relating to conveying systems for the manufacture of fragile sheets
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B40/00—Preventing adhesion between glass and glass or between glass and the means used to shape it, hold it or support it
- C03B40/02—Preventing adhesion between glass and glass or between glass and the means used to shape it, hold it or support it by lubrication; Use of materials as release or lubricating compositions
- C03B40/033—Means for preventing adhesion between glass and glass
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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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/001—Release paper
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Paper (AREA)
- Buffer Packaging (AREA)
- Packaging Frangible Articles (AREA)
- Laminated Bodies (AREA)
Description
本發明係有關於積層多片液晶顯示器、電漿顯示器、有機電致發光(有機EL)顯示器等平面顯示器用之玻璃板以進行保管、搬運之過程中,用以包裝玻璃板的紙及夾入玻璃板間的紙,以及製造該等紙時所使用的木漿。
一般來說,於積層多片平面顯示器用之玻璃板以進行保管之過程、以卡車等搬運之流通過程等中,為防止玻璃板彼此受衝撃而接觸產生擦傷、及防止玻璃表面汙染,會在玻璃板間夾入稱為間隔紙的紙。
相較於一般建築用窗玻璃板、車輛用窗玻璃板等,平面顯示器用之玻璃板因使用於高畫質顯示器上,而被要求玻璃表面保持在幾乎無紙表面所含之不純物的乾淨表面,並為了高速響應性或擴大視角,而被要求具有優異之平坦度。
作為使用在如此用途之間隔紙,在可防止玻璃板
破裂或表面受傷的間隔紙、及不汙染玻璃表面的間隔紙方面,已有好幾個提案。例如,於專利文獻1揭示一種在間隔紙的表面形成氟塗膜的手法。另外,分別在專利文獻2揭示一種貼合有聚乙烯系樹脂製發泡片與聚乙烯系樹脂製薄膜之間隔紙;在專利文獻3揭示一種由含有漂白化學紙漿50質量%以上之紙漿所構成之玻璃用間隔紙,其係含有特定環氧烷加成物或水可溶性聚醚改質聚矽氧之紙;而在專利文獻4揭示一種規定紙中樹脂成分之量並使用了顧及玻璃表面汙染之原料的玻璃板間隔紙。
專利文獻1:日本特開2012-188785號公報
專利文獻2:日本特開2010-242057號公報
專利文獻3:日本特開2008-208478號公報
專利文獻4:日本特開2006-44674號公報
然而,利用此等間隔紙並未完全防止平面顯示器用之玻璃板表面的汙染,現實中有時會因某些原因而汙染玻璃板表面,以致玻璃板的瑕疵率上昇。
特別是最近基於獲利性的觀點要求平面顯示器等的製造步驟具有高良率,而如何防止使用於平面顯示器之玻璃板表面的汙染是很重要的。
本發明以提供間隔紙與該間隔紙用的木漿為課題,該間隔紙對於使用在要求高潔淨度及傷痕度之平面顯示器用基板材料方面之玻璃板,可卓越防止該玻璃表面之汚染。
例如,在TFT液晶顯示器製造步驟之一的陣列步驟製作濾色器基板時,當玻璃板表面被汙染時,已知會產生斷線等問題。此係由於濾色器基板是以濺鍍或真空蒸鍍法等在玻璃板形成半導體膜、ITO膜(透明導電膜)、絕緣膜、鋁金屬膜等薄膜而製作,然一旦玻璃板表面存在汙染物質,則由薄膜形成之電路圖案會產生斷線,或因絕緣膜之瑕疵而產生短路。又,於濾色器基板之製作中,係在玻璃板以光微影術形成圖案,然於此步驟塗布光阻劑時若玻璃板面存在汙染物質,則曝光或顯影後之光阻膜將產生小孔,其結果便會產生斷線或短路。同樣的問題亦確認發生在有機EL顯示器之製造上。有機EL顯示器係以濺鍍、蒸鍍或印刷等在玻璃基板形成ITO陽極、有機發光層、陰極等薄膜而製作,因而產生一旦在玻璃基板表面存在干擾薄膜之異物會導致不發光之問題。這類玻璃板的汙染原因雖難以確切指出,但藉由本案發明人的驗證,首次證實其原因是玻璃板用間隔紙所含的聚矽氧。
因此,本案發明人發現,藉由將用以製造玻璃板用間隔紙(以下,亦稱為「玻璃板間隔紙」)之木漿中的聚矽氧含量設為一定以下,然後,將玻璃板用間隔紙中的聚矽
氧含量設為一定以下,即可解決上述課題,從而完成本發明。
即,本發明之第一態樣係有關於一種玻璃板間隔紙用木漿,相對於紙漿的絕乾質量,該木漿中之聚矽氧含量為0.5ppm以下。
相對於木漿的絶乾質量,木漿中所含之聚矽氧的量以0.1ppm以下為宜。
前述聚矽氧以聚矽氧油為宜。
前述聚矽氧油以二甲基聚矽氧烷為宜。
前述玻璃板以顯示器用為宜,且顯示器為TFT液晶顯示器或有機EL顯示器尤佳。
本發明之第二態樣係有關於一種玻璃板用間隔紙,其紙係以木漿為原料,且相對於紙的絶乾質量,紙中所含之聚矽氧的量為0.5ppm以下。
相對於紙的絶乾質量,玻璃板用間隔紙中所含之聚矽氧的量以0.1ppm以下為宜。
前述聚矽氧以聚矽氧油為宜。
前述聚矽氧油以二甲基聚矽氧烷為宜。
前述玻璃板以顯示器用為宜,且顯示器為TFT液晶顯示器或有機EL顯示器尤佳。
又,本發明亦有關於一種積層物,其係由本發明第一態樣之前述木漿所構成之玻璃板間隔紙及/或本發明第二態樣之前述玻璃板用間隔紙、與玻璃板積層而成者。
進而,本發明亦有關於一種本發明第一態樣之前
述木漿之用途,係用以製造玻璃板間隔紙,特別是本發明第二態樣之玻璃板間隔紙。
本發明之木漿所構成之玻璃板間隔紙與本發明之玻璃板用間隔紙,可抑制乃至避免聚矽氧轉印至玻璃板。如此一來,藉由抑制乃至避免聚矽氧轉印至玻璃板,可防止在TFT液晶顯示器等的製造步驟中造成彩色片等的電路斷線。
至此明確可知,對玻璃板使用間隔紙時,間隔紙中的聚矽氧有轉印至玻璃板的傾向,尤其若將由聚矽氧含量超過0.5ppm之木漿所構成的間隔紙,或是,將紙中聚矽氧含量超過0.5ppm之間隔紙使用於玻璃板,則轉印至玻璃板之聚矽氧量顯著増加,其結果便會引起面板形成時的問題。因此,本發明之玻璃板間隔紙用木漿,相對於木漿之絶乾質量,該木漿中所含之聚矽氧的量為0.5ppm以下。藉此,由本發明木漿所構成之玻璃板間隔紙的聚矽氧含量可做到0.5ppm以下。又,本發明之玻璃板用間隔紙是由木漿所構成之玻璃用間隔紙,相對於紙的絶乾質量,該紙中所含之聚矽氧的量為0.5ppm以下。此外,在本發明中,所謂「絶乾」意指藉由乾燥使被乾燥對象物中實質上不存在水
分的狀態,例如,「絶乾」狀態之物體在室溫(25℃)下每1小時的重量變化在1%以下,且以0.5%以下為宜、0.1%以下較佳。
一般來說,木漿中大多含有聚矽氧。這是因為在木漿的製造過程中,特別是洗淨步驟,作為用以防止因產生泡沫而降低洗淨能力之消泡劑,大多使用聚矽氧系消泡劑,而源自此聚矽氧系消泡劑的聚矽氧會殘存在紙漿中。聚矽氧系消泡劑舉例言之係於聚矽氧油及疏水性二氧化矽的混合物中混合改質聚矽氧、界面活性劑等來製造。
因此,為了將玻璃間隔紙之聚矽氧含量做到0.5ppm以下,使成為間隔紙原料的木漿不含許多聚矽氧尤為重要。在本發明第一態樣中,雖無特別限定將成為間隔紙原料的木漿中之聚矽氧含量做到0.5ppm以下之手段,但作為製造木漿時使用之消泡劑以使用非聚矽氧系消泡劑為宜。
在非聚矽氧系的消泡劑方面,例如可舉礦物油系消泡劑、高級醇系消泡劑、脂肪酸系消泡劑、脂肪酸酯系消泡劑、醯胺系消泡劑、胺系消泡劑、磷酸酯系消泡劑、金屬肥皂系消泡劑、磺酸酯系消泡劑、聚醚系消泡劑及植物油系消泡劑等。
礦物油系消泡劑,包含例如烴油等的礦物油、礦物蠟等。
高級醇系消泡劑,包含例如辛醇、十六醇等。
脂肪酸系消泡劑,包含例如棕櫚酸、油酸、硬
脂酸等。
脂肪酸酯系消泡劑,包含例如硬脂酸異戊酯、甘油單蓖麻油酸酯、山梨醇單月桂酸酯、山梨醇三油酸酯等。
醯胺系消泡劑,包含例如丙烯酸酯聚胺等。
胺系消泡劑,包含例如二烯丙基胺等。
磷酸酯系消泡劑,包含例如磷酸三丁酯、磷酸辛酯鈉等。
金屬肥皂系消泡劑,包含例如硬脂酸鋁、硬脂酸鈣、油酸鉀等。
磺酸酯系消泡劑,包含例如月桂基磺酸鈉、十二基磺酸鈉等。
聚醚系消泡劑,包含例如(聚)氧伸乙基(聚)氧伸丙基加成物等的聚氧伸烷類;二乙二醇庚基醚、聚氧伸乙基油醇醚、聚氧伸丙基丁基醚、聚氧伸乙基聚氧伸丙基2-乙基己基醚、對碳原子數8以上之高級醇或碳數12~14之2級醇的氧伸乙基氧伸丙基加成物等之(聚)氧伸烷基烷基醚類;聚氧伸丙基苯基醚、聚氧伸乙基壬基苯基醚等的(聚)氧伸烷基(烷基)芳基醚類;2,4,7,9-四甲基-5-癸炔-4,7-二醇、2,5-二甲基-3-己炔-2,5-二醇、3-甲基-1-丁炔-3-醇等的使氧化伸烷基加成聚合於乙炔醇之乙炔醚類;二乙二醇油酸酯、二乙二醇月桂酸酯、乙二醇二硬脂酸酯等的(聚)氧伸烷基脂肪酸酯類;聚氧伸乙基去水山梨醇單月桂酸酯、聚氧伸乙基去水山梨醇三油酸酯等的(聚)氧伸烷基去水山
梨醇脂肪酸酯類;聚氧伸丙基甲基醚硫酸鈉、聚氧伸乙基十一基酚醚硫酸鈉等的(聚)氧伸烷基烷基(芳香基)醚硫酸酯塩類;(聚)氧伸乙基硬脂基酸酯等的(聚)氧伸烷基烷基磷酸酯類;聚氧伸乙基月桂基胺等的(聚)氧伸烷基烷基胺類;聚氧伸烷基醯胺等。
植物油系消泡劑,包含例如大豆油、玉米油、椰子油、亞麻子油、菜子油、棉子油、芝麻油、蓖麻油等植物油。
又,非聚矽氧系消泡劑可含有疏水性二氧化矽等無機粒子。作為疏水性二氧化矽,宜使用將親水性二氧化矽的矽醇基以甲基等烷基取代而經疏水化處理的二氧化矽。
非聚矽氧系消泡劑,依需要亦可含有界面活性劑等。因此,非聚矽氧系消泡劑亦可為乳劑型。
本發明中可使用之木漿有:針葉樹漂白牛皮紙漿(NBKP)、闊葉樹漂白牛皮紙漿(LBKP)、針葉樹漂白亞硫酸鹽紙漿(NBSP)、闊葉樹漂白亞硫酸鹽紙漿(LBSP)、熱機械紙漿(TMP)等木漿,可單獨使用或混合使用。以該等木漿為主體,依需要可於此單獨或混合加入麻、竹、秸稈、大麻槿、楮、結香或棉花等非木漿,陽離子化紙漿、絲光化紙漿等改質紙漿,嫘縈、維尼綸、尼龍、丙烯酸、聚酯等合成纖維或化學纖維,抑或微纖維化紙漿加以併用。但是,一旦紙漿中含有許多樹脂成分,該樹脂成分可能造成汙染玻璃板表面等之不良影響,因此儘可能單獨使用樹脂
成分少的化學紙漿、例如針葉樹漂白牛皮紙漿為宜。又,如碎木漿之高產率紙漿,因含有許多樹脂成分而不宜使用。此外,若混合合成纖維或化學纖維,會提升刮削性,且整平間隔紙時之加工性提升,但在廢棄物處理方面回收性不佳而需要注意。
又,在以不損害本發明性能的範圍內,對於以上述木漿為主體之製紙用纖維,依需要可添加接著劑、防黴劑、各種製紙用填料、濕潤紙力增強劑、乾燥紙力增強劑、上漿劑、著色劑、固定劑、良率提升劑、黏泥控制劑等,接著可以周知、現有的長網抄紙機、圓網抄紙機、短網抄紙機、長網與圓網的組合抄紙機等進行抄造。又,添加此等藥品時要小心注意不要混入蟲或雜物等。
製造本發明之木漿時,若增進木漿的游離,則可望達到增加紙層間強度之效果。然而,若藉由增進游離使木漿中之微細纖維增加,就間隔紙而言恐於使用中產生紙粉,因此不宜增進必要以上之游離度。故本發明中游離度以300~650mlc.s.f.為宜。
本發明中,木漿、以至於由該木漿構成之玻璃板間隔紙所含之聚矽氧的量,宜相對於木漿或間隔紙的絶乾質量在0.4ppm以下,且以0.3ppm以下較佳、0.2ppm以下更佳、0.1ppm以下尤佳。此係由於存有超過0.1ppm之量的聚矽氧時,在移動終端機等需要非常高畫質顯示的情況下,以轉移至玻璃之微量聚矽氧為要因而產生之彩色片的斷線處,因高色彩之故而顯眼,有提高被判斷為品質不良
之虞。
使用本發明之木漿並利用一般方法,可獲得玻璃板間隔紙、特別是本發明的玻璃板間隔紙。亦可於玻璃板間隔紙的抄造途中及/或製造後進行壓光處理、超級壓光處理、軟軋壓光(soft nip calender)處理、壓花等加工。藉由加工處理,可調整表面性或厚度。
作為本發明中之聚矽氧,可舉聚矽氧油。聚矽氧油為疏水性,其分子結構可為環狀、直鏈狀、支鏈狀任一種。聚矽氧油在25℃下之動黏度通常於0.65~100,000mm2/s之範圍,但亦可於0.65~10,000mm2/s之範圍。
在聚矽氧油方面,例如可舉直鏈狀有機聚矽氧烷、環狀有機聚矽氧烷及支鏈狀有機聚矽氧烷。
作為直鏈狀有機聚矽氧烷、環狀有機聚矽氧烷及支鏈狀有機聚矽氧烷,可舉以下述通式(1)、(2)及(3)所表示之有機聚矽氧烷為例:
(式中,R1係各自獨立,為選自由氫原子、羥基、或是取代或非取代之一價烴基、烷氧基所表示基群之基;
a為0~1000之整數;b為3~100之整數;c為1~4之整數,且以2~4之整數為宜。)
取代或非取代的一價烴基,典型上為:取代或非取代之碳原子數1~30之一價飽和烴基,且以碳原子數1~10為佳、碳原子數1~4為較佳;取代或非取代之碳原子數2~30之一價不飽和烴基,且以碳原子數2~10為佳、碳原子數2~6為較佳;碳原子數6~30之一價芳香族烴基,且以碳原子數6~12為佳。
在碳原子數1~30的一價飽和烴基方面,例如可舉甲基、乙基、正丙基、異丙基、正丁基、異丁基、二級丁基、三級丁基、戊基、己基、庚基、辛基、壬基、癸基等直鏈或支鏈狀烷基,以及環戊基、環己基、環庚基、環辛基等環烷基。
在碳原子數2~30的一價不飽和烴基方面,例如可舉乙烯基、1-丙烯基、烯丙基、異丙烯基、1-丁烯基、2-丁烯基、戊烯基、己烯基等直鏈或支鏈狀的烯基;環戊烯基、環己烯基等環烯基;環戊烯基乙基、環己烯基乙基、環己烯基丙基等環烯基烷基;及乙炔基、炔丙基等炔基。
在碳原子數6~30的一價芳香族烴基方面,例如可舉苯基、基、茬基、基等芳基。並以苯基為宜。此外,本說明書中所謂芳香族烴基,除僅由芳香族烴構成之基以外,亦包含芳香族烴與脂肪族飽和烴複合而成之基。
作為芳香族烴與飽和烴複合而成之基的例子,例如可舉苯甲基、苯乙基等芳烷基。
上述一價烴基上的氫原子亦可被1個以上的取代基取代,該取代基可選自由有機基所構成之群組,該有機基包含例如鹵素原子(氟原子、氯原子、溴原子及碘原子)、羥基、甲醇基、環氧基、縮水甘油基、醯基、羧基、胺基、甲基丙烯醯基、巰基、醯胺基、氧伸烷基等。具體可舉3,3,3-三氟丙基、3-氯丙基、3-羥基丙基、3-(2-羥基乙氧)丙基、3-羧基丙基、10-羧基癸基、3-異氰酸丙酯基等。
在烷氧基方面,可舉甲氧基、乙氧基、丙氧基等,但以甲氧基或乙氧基為佳,且以甲氧基為較佳。
更具體而言,在直鏈狀有機聚矽氧烷方面,可例示分子鏈兩末端三甲基矽烷氧基封鎖二甲基聚矽氧烷(2mPa.s或6mPa.s等低黏度~100萬mPa.s等高黏度的二甲基聚矽氧)、有機氫聚矽氧烷、分子鏈兩末端三甲基矽烷氧基封鎖甲基苯基聚矽氧烷、分子鏈兩末端三甲基矽烷氧基封鎖二甲基矽氧烷.甲基苯基矽氧烷共聚物、分子鏈兩末端三甲基矽烷氧基封鎖二苯基聚矽氧烷、分子鏈兩末端三甲基矽烷氧基封鎖二甲基矽氧烷.二苯基矽氧烷共聚物、三甲基五苯基三矽氧烷、苯基(三甲基矽烷氧基)矽氧烷、分子鏈兩末端三甲基矽烷氧基封鎖甲基烷基聚矽氧烷、分子鏈兩末端三甲基矽烷氧基封鎖二甲基聚矽氧烷.甲基烷基矽氧烷共聚物、分子鏈兩末端三甲基矽烷氧基封
鎖二甲基矽氧烷.甲基(3,3,3-三氟丙基)矽氧烷共聚物、α,ω-二羥基聚二甲基矽氧烷、α,ω-二乙氧聚二甲基矽氧烷、1,1,1,3,5,5,5-七甲基-3-辛基三矽氧烷、1,1,1,3,5,5,5-七甲基-3-十二基三矽氧烷、1,1,1,3,5,5,5-七甲基-3-十六基三矽氧烷、参三甲基矽烷氧基甲基矽烷、参三甲基矽烷氧基烷基矽烷、肆三甲基矽烷氧基矽烷、四甲基-1,3-二羥基二矽氧烷、八甲基-1,7-二羥基四矽氧烷、六甲基-1,5-二乙氧三矽氧烷、六甲基二矽氧烷、八甲基三矽氧烷、高級烷氧改質聚矽氧、高級脂肪酸改質聚矽氧、二甲基矽氧烷醇等。
在環狀有機聚矽氧烷方面,可例示六甲基環三矽氧烷(D3)、八甲基環四矽氧烷(D4)、十甲基環五矽氧烷(D5)、十二甲基環六矽氧烷(D6)、1,1-二乙基六甲基環四矽氧烷、苯基五甲基環四矽氧烷、1、1-二苯基六甲基環四矽氧烷、1,3,5,7-四乙烯基四甲基環四矽氧烷、1,3,5,7-四甲基環四矽氧烷、1,3,5,7-四環己基四甲基環四矽氧烷、三(3,3,3-三氟丙基)三甲基環三矽氧烷、1,3,5,7-四(3-甲基丙烯醯氧丙基)四甲基環四矽氧烷、1,3,5,7-四(3-丙烯醯氧基丙基)四甲基環四矽氧烷、1,3,5,7-四(3-羧基丙基)四甲基環四矽氧烷、1,3,5,7-四(3-乙烯氧基丙基)四甲基環四矽氧烷、1,3,5,7-四(對-乙烯基苯基)四甲基環四矽氧烷、1,3,5,7-四[3(對-乙烯基苯基)丙基]四甲基環四矽氧烷、1,3,5,7-四(N-丙烯醯-N-甲基-3-胺基丙基)四甲基環四矽氧烷、1,3,5,7-四(N,N-雙(月桂醯)-3-胺基丙基)四甲基環四矽
氧烷等。
在支鏈狀有機聚矽氧烷方面,可舉甲基参三甲基矽烷氧基矽烷、乙基参三甲基矽烷氧基矽烷、丙基参三甲基矽烷氧基矽烷、肆三甲基矽烷氧基矽烷、苯基参三甲基矽烷氧基矽烷等。
本發明之聚矽氧油方面,以二甲基聚矽氧烷、二乙基聚矽氧烷、甲基苯基聚矽氧烷、聚二甲基-聚二苯基矽氧烷共聚物、聚甲基-3,3,3-三氟丙基矽氧烷等為宜。本發明之聚矽氧以二甲基聚矽氧烷為典型。
本發明中聚矽氧油亦可為改質聚矽氧油。在改質聚矽氧油方面,例如可舉聚氧伸烷基改質聚矽氧油。
聚氧伸烷基改質聚矽氧油是在分子中藉由矽-碳鍵來鍵結聚氧伸烷基之聚矽氧油,以在常溫下、具體而言在25℃下呈水溶性者為宜,且以非離子系者為較佳。
聚氧伸烷基改質聚矽氧油,具體而言,例如為由直鏈狀或支鏈狀矽氧烷所構成之聚矽氧油與聚氧伸烷基之共聚物,種類繁多,但以下述式(4)所表示者尤佳:R2 3SiO-(R1 2SiO)d-(R1ASiO)e-SiR2 3 (4)(式中,R1各自獨立,與上述相同,R2各自獨立,為R1或A,A各自獨立,係以R3G所表示之基,R3為取代或非取代的二價烴基,G表示含有環氧乙烷、環氧丙烷等碳數2~5的環氧烷之至少1種所構成之聚氧伸烷基,
d表示1~500之整數,e表示1~50之整數)。
在取代或非取代二價烴基方面,例如可舉碳原子數1~30的直鏈狀或支鏈狀二價烴基,具體可舉亞甲基、二亞甲基、三亞甲基、四亞甲基、五亞甲基、六亞甲基、七亞甲基、八亞甲基等碳原子數1~30的直鏈狀或支鏈狀伸烷基;伸乙烯基、伸丙烯基、伸丁烯基、伸己烯基、伸辛烯基等碳原子數2~30的伸烯基;伸苯基、二伸苯基等碳原子數6~30伸芳基;二亞甲基伸苯基等碳原子數7~30伸烷基伸芳基;以及鍵結於此等基之碳原子的氫原子至少一部分被有機基取代之基,該有機基包含:氟等的鹵原子、羥基,或甲醇基、環氧基、縮水甘油基、醯基、羧基、胺基、甲基丙烯醯基、巰基、醯胺基、氧伸烷基等。二價烴基宜為碳原子數1~30的伸烷基,且以碳原子數1~6的伸烷基為佳、碳原子數3~5的伸烷基更佳。
作為聚氧伸烷改質聚矽氧油之具體例,可舉下述者為例:
(式中,x是20~160、y是1~25,且x/y之值是50~2,A為例如-(CH2)3O-(CH2CH2O)m-(CH2CH2CH2O)n-R4,m為
7~40、n為0~40,且m+n之值至少為1,可為經接枝聚合或無規聚合者,R4表示氫原子或者是上述取代或非取代之一價烴基。M宜為7~30、n宜為0~30)。
又,在改質聚矽氧油方面,例如可舉胺基烷基改質聚矽氧油。
胺基烷基改質聚矽氧油是在分子中藉由矽-碳鍵來鍵結胺基烷基之聚矽氧油,以在常溫下、具體而言在25℃下呈現10~100000cs之黏度者為宜。
在前述胺基烷基聚矽氧油方面,可舉上述式(4)並將式中之G以式:-(NR4CH2CH2)zNR4 2(式中,R4為各自獨立並如上述,z為0≦z≦4之數字)取代者。
從本發明木漿獲得之間隔紙,特別是本發明之玻璃板間隔紙,係插入玻璃板間來使用。例如,前述玻璃板間隔紙典型上係於多數的玻璃板每片之間各插入1枚,將全體做成積層體,並以該積層體作為保管、搬運的對象。又,亦可使用本發明木漿所構成之間隔紙,特別是本發明之玻璃板間隔紙,來包裝玻璃板單體或前述積層體。
在玻璃板方面並無特別限定,但以電漿顯示器面板、液晶顯示器面板(特別是TFT液晶顯示器面板)、有機EL顯示器面板等之平面顯示器用的玻璃板為宜。在平面顯示器用之玻璃板表面雖形成細微的電極、阻隔壁等,但藉由使用本發明木漿所構成之玻璃板間隔紙,特別是本發明的玻璃板間隔紙,可抑制乃至避免聚矽氧轉印至玻璃板,因此即便於玻璃板表面形成細微的電極、阻隔壁等,
仍可抑制乃至避免聚矽氧造成不良狀況,就結果而言,可抑制乃至避免顯示器的瑕疵。
特別是,伴隨著顯示器的大型化,平面顯示器用的玻璃板尺寸及重量増大,但本發明木漿所構成之玻璃板間隔紙,特別是本發明的玻璃板間隔紙,可善加保護這類大型乃至大重量之玻璃板表面。尤其,本發明木漿所構成之玻璃板間隔紙,特別是本發明的玻璃板間隔紙,因聚矽氧之含量極少,即便被大重量玻璃板壓迫,仍可抑制乃至避免聚矽氧轉印在玻璃板。因此,本發明木漿所構成之玻璃板間隔紙,特別是本發明的玻璃板間隔紙,可適於使用在格外要求表面潔淨性的平面顯示器用玻璃板。
以下,藉由實施例及比較例再具體說明本發明,但本發明之範圍並非以實施例為限。
(1)聚矽氧之定量測定
將間隔紙切割成約1cm見方,並使用己烷進行約3個半小時的莎列特式萃取(Soxhlet extraction)。將獲得之萃取物以旋轉蒸發器加以凝縮,使其再溶解於氘代氯仿1mL並以1H-NMR進行測定。在此定量時,為作成校準曲線,使用聚二甲基矽氧烷之氘代氯仿溶液作為標準品,並以絕對校準法進行定量。此外,NMR裝置是使用AVANCE500型(Bruker BioSpin公司製)。
(2)對玻璃之轉印試驗(輸送測試)
在鋁製且帶有75度角之L型托架上的玻璃載置面鋪上
發泡胺甲酸乙酯,並向用以將玻璃板以垂直方向載置的載置面、與從載置面後端部以垂直方向延伸之背板面,將120枚尺寸680mm×880mm×0.7mm之玻璃板在各玻璃板間插入玻璃板間隔紙且以與背板面平行之方式立起,再將固定於托架之帶狀皮帶從後端部往背面繞過全周固定玻璃板。並利用包裝材料將如上述般設置之托架全面被覆,以防止從外部混入塵埃。之後,實施卡車輸送測試。輸送測試之條件係以輸送距離1000km(輸送途中在40℃×95%RH之環境下保管5天)來實施測試。之後,以FT-IR分析確認玻璃板表面有無聚矽氧。
[木漿之製造]
在由蒸煮步驟、洗淨步驟、脫氧木質素反應步驟、與利用二氧化氯及過氧化氫之多段漂白步驟所構成之針葉樹漂白牛皮紙漿的製造裝置中,在蒸煮步驟後適量連續添加非聚矽氧系消泡劑之礦物油系消泡劑「Puronaru A5044」(東邦化學公司製)之原液,以作為除去結塊瞬後使用在圓筒式洗濯機洗淨液中之消泡劑。又,在壓榨洗淨步驟同樣適量加入「Puronaru A5044」以作為添加在清洗壓榨機中之消泡劑。如上述,獲得在製造步驟中使用非聚矽氧系消泡劑的針葉樹漂白牛皮紙漿A。
又,除在消泡劑方面使用聚矽氧系消泡劑「SN Defoame r551K」(聖諾普科公司製)之外,按照同上述之方式獲得針葉樹漂白牛皮紙漿B。
[實施例1]
作為木漿,準備100質量份針葉樹漂白牛皮紙漿A,將其浸解調配成游離度為520mlc.s.f.之漿料,再相對於全紙漿質量添加聚丙烯醯胺(商品名:Polystron1250,荒川化学工業社製)0.4質量份作為紙力增強劑,調製成濃度0.4%的紙漿料。使用長網抄紙機將其製成基重50g/m2的玻璃板間隔紙。
[實施例2]
使用混合了80質量份針葉樹漂白牛皮紙漿A與20質量份針葉樹漂白牛皮紙漿B者作為木漿,其他則按照與實施例1同樣的手法,獲得基重50g/m2的玻璃板間隔紙。
[比較例1]
使用100質量份針葉樹漂白牛皮紙漿B,其他則利用與實施例1同樣的手法,獲得基重50g/m2的玻璃板間隔紙。
以實施例及比較例獲得之玻璃板間隔紙的聚矽氧含量顯示於表1。玻璃板間隔紙的聚矽氧含量,亦表示製造該間隔紙所使用之木漿中的聚矽氧含量。
以輸送測試確認實施例及比較例所獲得之玻璃板間隔紙對玻璃板的轉印後,在使用實施例1間隔紙之玻璃板表面完全未檢驗出聚矽氧。在使用實施例2間隔紙之玻璃板表面雖確認有微量聚矽氧,但在使用該玻璃板之液
晶面板的陣列形成時,未觀察到彩色片有斷線情形。在使用比較例1間隔紙之玻璃板表面,確認有聚矽氧造成的汙染。在使用該玻璃板之液晶面板的陣列形成時,觀察到彩色片有斷線情形。
從以上結果得知,相對於木漿的絶乾質量,本發明木漿中所含的聚矽氧量為0.5ppm以下,故本發明木漿所構成的本發明玻璃板間隔紙其聚矽氧含量亦僅有0.5ppm以下,因此,可防止聚矽氧從該玻璃板間隔紙轉移至玻璃板,於是可製造出適合進行液晶面板之陣列形成的玻璃板。
Claims (11)
- 一種玻璃板間隔紙用木漿,相對於紙漿的絕乾質量,該木漿中之聚矽氧含量為0.5ppm以下,且所述玻璃板間隔紙用木漿為TFT液晶顯示器或有機EL顯示器用。
- 如請求項1之玻璃板間隔紙用木漿,其中相對於紙漿的絶乾質量,該木漿中之聚矽氧含量為0.1ppm以下。
- 如請求項1或2之玻璃板間隔紙用木漿,其中前述聚矽氧為聚矽氧油。
- 如請求項3之玻璃板間隔紙用木漿,其中前述聚矽氧油為二甲基聚矽氧烷。
- 一種玻璃板間隔紙,係由如請求項1至4中任一項之玻璃板間隔紙用木漿所構成。
- 一種玻璃板用間隔紙,係以木漿為原料且為TFT液晶顯示器或有機EL顯示器用之玻璃板用間隔紙,並且,相對於紙的絶乾質量,紙中所含之聚矽氧的量為0.5ppm以下。
- 如請求項6之玻璃板用間隔紙,其中相對於紙的絶乾質量,該紙中所含之聚矽氧的量為0.1ppm以下。
- 如請求項6或7之玻璃板用間隔紙,其中前述聚矽氧為聚矽氧油。
- 如請求項8之玻璃板用間隔紙,其中前述聚矽氧油為二甲基聚矽氧烷。
- 一種積層體,係由如請求項5之玻璃板間隔紙及玻璃板 所構成。
- 一種如請求項1至4中任一項木漿之用途,係用於製造TFT液晶顯示器或有機EL顯示器用之玻璃板用間隔紙。
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CA2907248C (en) | 2016-05-17 |
CA2907248A1 (en) | 2015-06-29 |
TW201431806A (zh) | 2014-08-16 |
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US20150233059A1 (en) | 2015-08-20 |
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EP3599309B1 (en) | 2022-11-02 |
EP3599309A1 (en) | 2020-01-29 |
RU2615058C2 (ru) | 2017-04-03 |
CN104204344A (zh) | 2014-12-10 |
EP2940208A4 (en) | 2015-11-04 |
US20160108580A1 (en) | 2016-04-21 |
CN108755264A (zh) | 2018-11-06 |
CA2889225A1 (en) | 2015-06-29 |
US20150274444A1 (en) | 2015-10-01 |
WO2014104187A1 (ja) | 2014-07-03 |
KR101538437B1 (ko) | 2015-07-22 |
JPWO2014104187A1 (ja) | 2017-01-19 |
US20150090413A1 (en) | 2015-04-02 |
KR20140130559A (ko) | 2014-11-10 |
JP2020020089A (ja) | 2020-02-06 |
CA2870436A1 (en) | 2014-07-03 |
CA2870436C (en) | 2015-09-29 |
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