TWI579247B - 碟片輥筒及其基材 - Google Patents
碟片輥筒及其基材 Download PDFInfo
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- TWI579247B TWI579247B TW101111294A TW101111294A TWI579247B TW I579247 B TWI579247 B TW I579247B TW 101111294 A TW101111294 A TW 101111294A TW 101111294 A TW101111294 A TW 101111294A TW I579247 B TWI579247 B TW I579247B
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- 239000000463 material Substances 0.000 title claims description 8
- 239000000835 fiber Substances 0.000 claims description 42
- 239000000758 substrate Substances 0.000 claims description 34
- 239000002893 slag Substances 0.000 claims description 20
- 239000010445 mica Substances 0.000 claims description 16
- 229910052618 mica group Inorganic materials 0.000 claims description 16
- 239000000440 bentonite Substances 0.000 claims description 12
- 229910000278 bentonite Inorganic materials 0.000 claims description 12
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 12
- 239000000156 glass melt Substances 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 claims description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 6
- 229920002472 Starch Polymers 0.000 claims description 5
- 239000002689 soil Substances 0.000 claims description 5
- 235000019698 starch Nutrition 0.000 claims description 5
- 239000008107 starch Substances 0.000 claims description 5
- 239000010803 wood ash Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 description 22
- 238000010438 heat treatment Methods 0.000 description 9
- 238000005452 bending Methods 0.000 description 7
- 239000012784 inorganic fiber Substances 0.000 description 6
- 229910001220 stainless steel Inorganic materials 0.000 description 6
- 239000010935 stainless steel Substances 0.000 description 6
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- YGANSGVIUGARFR-UHFFFAOYSA-N dipotassium dioxosilane oxo(oxoalumanyloxy)alumane oxygen(2-) Chemical compound [O--].[K+].[K+].O=[Si]=O.O=[Al]O[Al]=O YGANSGVIUGARFR-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000005357 flat glass Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052627 muscovite Inorganic materials 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 229910052622 kaolinite Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 238000010298 pulverizing process Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- RJDOZRNNYVAULJ-UHFFFAOYSA-L [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] RJDOZRNNYVAULJ-UHFFFAOYSA-L 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 229910052626 biotite Inorganic materials 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000003112 degranulating effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 229910052628 phlogopite Inorganic materials 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000000930 thermomechanical effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
- C03B17/06—Forming glass sheets
- C03B17/068—Means for providing the drawing force, e.g. traction or draw rollers
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
- C03B35/14—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
- C03B35/16—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by roller conveyors
- C03B35/18—Construction of the conveyor rollers ; Materials, coatings or coverings thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/52—Producing shaped prefabricated articles from the material specially adapted for producing articles from mixtures containing fibres, e.g. asbestos cement
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
- C03B17/06—Forming glass sheets
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
- C03B35/14—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
- C03B35/16—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by roller conveyors
- C03B35/18—Construction of the conveyor rollers ; Materials, coatings or coverings thereof
- C03B35/181—Materials, coatings, loose coverings or sleeves thereof
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B35/00—Transporting of glass products during their manufacture, e.g. hot glass lenses, prisms
- C03B35/14—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands
- C03B35/16—Transporting hot glass sheets or ribbons, e.g. by heat-resistant conveyor belts or bands by roller conveyors
- C03B35/18—Construction of the conveyor rollers ; Materials, coatings or coverings thereof
- C03B35/185—Construction of the conveyor rollers ; Materials, coatings or coverings thereof having a discontinuous surface for contacting the sheets or ribbons other than cloth or fabric, e.g. having protrusions or depressions, spirally wound cable, projecting discs or tires
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- C04B33/00—Clay-wares
- C04B33/28—Slip casting
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- C04B33/00—Clay-wares
- C04B33/36—Reinforced clay-wares
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
- C04B35/18—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay rich in aluminium oxide
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- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/626—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B
- C04B35/63—Preparing or treating the powders individually or as batches ; preparing or treating macroscopic reinforcing agents for ceramic products, e.g. fibres; mechanical aspects section B using additives specially adapted for forming the products, e.g.. binder binders
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- C04B35/71—Ceramic products containing macroscopic reinforcing agents
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- C04B35/71—Ceramic products containing macroscopic reinforcing agents
- C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
- C04B35/80—Fibres, filaments, whiskers, platelets, or the like
- C04B35/82—Asbestos; Glass; Fused silica
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5216—Inorganic
- C04B2235/522—Oxidic
- C04B2235/5228—Silica and alumina, including aluminosilicates, e.g. mullite
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5264—Fibers characterised by the diameter of the fibers
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/602—Making the green bodies or pre-forms by moulding
- C04B2235/6025—Tape casting, e.g. with a doctor blade
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- C04B2235/74—Physical characteristics
- C04B2235/77—Density
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
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- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
- C04B2235/9607—Thermal properties, e.g. thermal expansion coefficient
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Structural Engineering (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Glass Compositions (AREA)
- Producing Shaped Articles From Materials (AREA)
- Paper (AREA)
Description
本發明係關於一種適用於平板玻璃之製造之碟片輥筒及其基材。
平板玻璃係藉由將玻璃熔融物連續地供給至裝置，並使其自裝置中帶狀流下，且於流下過程中進行冷卻硬化而製造。碟片輥筒係作為一對張力輥筒發揮作用，且用於將帶狀玻璃熔融物挾持著強制性送至下方。
通常而言，碟片輥筒係將紙板(板狀成形體、基材)沖裁成環狀之複數片之碟片材嵌插於作為旋轉軸之軸，製成輥筒狀之積層物，並介隔配置於兩端之凸緣將整體加壓固定而成者。碟片材之外周面係作為玻璃熔融物之搬送面發揮作用。
碟片輥筒係搬送帶狀玻璃熔融物者，故而不僅要求耐熱性、柔軟性、硬度，亦要求不劃傷玻璃表面，且已知有包含耐熱性無機纖維、雲母、黏土之碟片輥筒等(專利文獻1~3)。
通常而言，碟片輥筒係根據濾水性之好壞，利用吸引脫水成形法或抄紙法製造原料之水性漿料。抄紙法可製造較大之薄片，故效率佳，但濾水性必須良好。
專利文獻1：日本專利特表2010-510956專利文獻2：日本專利特開2009-132619專利文獻3：日本專利特開2004-299980
然而，包含70重量%以上之作為原料之耐熱性較高之氧化鋁的無機纖維價格較高。又，為了效率良好地進行製造，而要求可利用抄紙法製造，且自水性漿料濾水時之濾水時間較短。
本發明之目的在於提供一種無須使用高價之纖維便可效率良好地製造之碟片輥筒及其基材。
根據本發明，可提供以下之無機纖維等。
1.一種碟片輥筒用基材，其包含：約20~約38重量%之矽酸鋁纖維，其係約45 μm以上之渣球為約5重量%以下，且包含約40重量%以上且約60重量%以下之氧化鋁、及約40重量%以上且約60重量%以下之氧化矽；約10重量%~約30重量%之木節土；約2重量%~約20重量%之膨潤土；及約20重量%~約40重量%之雲母。
2.如1之碟片輥筒用基材，其中，
進一步包含紙漿及澱粉。
3.一種碟片輥筒用基材之製造方法，其係對包含氧化鋁約40重量%以上且約60重量%以下及氧化矽約40重量%以上且約60重量%以下之粗纖維進行脫粒，製造約45 μm以上之渣球為約5重量%以下之矽酸鋁纖維，將水、上述矽酸鋁纖維、木節土、膨潤土、及雲母進行混合，製造水性漿料，且藉由將水性漿料流入模具中進行濾水而製造薄片。
4.一種碟片輥筒，其係包含如1或2之基材。
5.一種玻璃之製造方法，其係使用如4之碟片輥筒，搬送玻璃熔融物，且將玻璃熔融物冷卻。
根據本發明，可提供一種無須使用高價之纖維便可效率良好地製造之碟片輥筒及其基材。
本發明之碟片輥筒用基材係包含陶瓷纖維(矽酸鋁纖維)、木節土、膨潤土及雲母。
陶瓷纖維係含有20~38重量%，較佳為25~38重量%，更佳為25~35重量%。若陶瓷纖維未達20重量%則耐熱性降低，若陶瓷纖維超過38重量%則空隙量增大，故而存在耐磨損性惡化之可能性。
用於本發明之陶瓷纖維係含有40重量%以上且60重量%
以下之氧化鋁，較佳為45重量%以上且55重量%以下。又，陶瓷纖維係包含40重量%以上且60重量%以下之氧化矽，較佳為45重量%以上且55重量%以下。纖維亦可混合使用1種或2種以上。
陶瓷纖維之平均纖維直徑通常為2~5 μm左右。
原料之陶瓷纖維通常包含未纖維化物質(渣球)，藉由利用乾式或濕式之方法進行脫粒，可減少渣球。
用於本發明之陶瓷纖維僅包含5重量%以下、較佳為2重量%以下之45 μm以上之渣球(未纖維化物質)。使用渣球較多之纖維而製造之碟片輥筒存在劃傷玻璃表面之虞。渣球之大小通常為45~5000 μm左右。
基材係包含10~30重量%、較佳為15~25重量%之木節土。若於此範圍內包含木節土，則表面潤滑性(平滑性)變得良好。
膨潤土係含有2~20重量%，較佳為2~15重量%，更佳為3~15重量%，特佳為5~15重量%。若不含膨潤土，則固著、凝聚不充分而使濾水性變差。反之，若膨潤土過多，則漿料性升高，濾水性變差。
雲母係為提昇碟片材對軸之熱膨脹之追蹤性而添加。由於嵌插碟片材之軸為金屬製，因此，若曝露於高溫，則該軸產生熱膨脹而沿軸方向伸長。此時，由於碟片材與金屬相比熱膨脹率較低，故而無法追蹤軸之伸長，導致碟片材彼此剝
離。另一方面，雲母係形成極薄之層構造，一旦受熱則將產生結晶變態，而此時，存在沿層方向膨脹之傾向，因朝向該層方向之膨脹，而使碟片材之對軸之熱膨脹之追蹤性提昇。
作為雲母，可使用白雲母(muscovite；K2Al4(Si3Al)2O20(OH)4)、黑雲母、金雲母(phlogopite；K2Mg6(SiAl)2O20(OH)4)、鈉雲母、鋰雲母、氟合成雲母等，但考慮到上述追蹤性，較佳為白雲母。
基材係包含20~40重量%、較佳為25~35重量%之雲母。若雲母未達20重量%，則對軸之熱膨脹之追蹤性降低，若超過40重量%，則難以均勻地分散至漿料中，存在有導致碟片基材之物性之變異增大的疑慮。
本發明之基材係於不損及本發明效果之範圍內，除了可包含上述成分，亦可包含凝聚助劑、有機黏合劑。
作為有機黏合劑，較佳為有機纖維(紙漿)、澱粉。若包含有機纖維(紙漿)，則可表現壓縮特性，其量可設為例如2~10重量%或6~10重量%。又，若包含澱粉，則可表現碟片材之強度，其量可設為例如1~10重量%或1~4重量%。
本發明之基材中，作為無機成分，可使陶瓷纖維、木節土、膨潤土、雲母合計為90重量%以上、95重量%以上、98重量%以上、100重量%。
本發明之基材係藉由於上述範圍內包含上述成分，而即便無機纖維之量較少，亦可獲得耐熱性與強度係平衡性良好地
保持之碟片輥筒。
基材係可藉由使包含無機纖維、高嶺石及雲母之水性漿料成形為板狀並進行乾燥而製造。此時，使用抄紙法因效率較高而較佳。即，可藉由製備包含既定量之無機纖維、高嶺石及雲母、以及視需要包含既定量之凝聚助劑、有機纖維、有機黏合劑等之水性漿料，且利用抄紙機將該水性漿料成形為板狀並進行乾燥而獲得基材。再者，基材之厚度可進行適當設定，通常為2~10 mm。
繼而，關於碟片輥筒之製造方法，係進行說明。通常，自基材沖裁環狀之碟片材，並將複數片該碟片材嵌插於金屬製(例如鐵製)之軸，製成輥筒狀之積層物，且介隔配置於兩端之凸緣自兩端對整體進行加壓，於對碟片材施加若干之壓縮之狀態下，利用螺帽等進行固定。視需要進行煅燒。繼而，以達到既定之輥筒直徑之方式研磨碟片材之外周面，藉此，獲得碟片輥筒。
於碟片輥筒之構造中，存在利用碟片材覆蓋軸整體之規格者、僅玻璃所接觸之部分利用碟片材覆蓋軸之規格者、以及包括單一軸之規格者等。
例如，可如圖1所示，使用本發明之碟片輥筒10，挾持搬送玻璃熔融物100，並使玻璃熔融物100冷卻、硬化，而製造玻璃。
將包含氧化鋁40~60重量%、氧化矽60~40重量%之粗陶瓷纖維(麗仕股份有限公司製造「fine FREX bulk fiber」)進行脫粒，獲得45 μm以上之渣球為2重量%以下之陶瓷纖維。
渣球之含有率係利用以下之順序測定。
(i)自任意之部位以渣球不自試樣中脫落之方式切取100 g以上之試樣。
(ii)將經切取之試樣於105~110℃下乾燥處理1小時後，進行稱量並記為W0。
(iii)將試樣放入圓筒，以21 MPa進行加壓粉碎，在圓筒內使用刮勺使試樣變得鬆散後，再次進行加壓粉碎。
(iv)將粉碎之試樣移入JlS-Z-8801之預定尺寸45 μm之篩，利用流水沖洗纖維及細小之渣球。
(v)使用乾燥器，使殘留於篩中之渣球與篩一併乾燥1小時。
(vi)將自乾燥器取出之篩冷卻至室溫為止後，用手敲打篩之側面10秒左右，將附著於篩之背面之細粒去除。
(vii)將殘留於篩面上之渣球移入適當容器中。此時，以渣球不殘留於篩之方式，利用篩刷充分撣落，稱量分離之渣球並記為W1。
(viii)渣球之含有率由下式求得，且四捨五入至小數點以下1位。渣球含有率%=W1/W0×100
製備上述經脫粒之陶瓷纖維30重量%、白雲母32重量%、木節土20重量%、膨潤土10重量%、紙漿6重量%及澱粉2重量%之水性漿料，利用抄紙法抄紙製造乾燥後之尺寸為200 mm×200 mm×6 mm之碟片輥筒用基材(紙板)。
對於所得之含陶瓷纖維碟片輥筒用基材，測定密度後，進行下述(1)~(7)之評估。結果如表1所示。
(1)原板之彎曲試驗(彎曲強度及彎曲彈性模數)
將含陶瓷纖維碟片輥筒用基材在維持於900℃之加熱爐中保持3小時後，自然冷卻至室溫為止。自冷卻後之基材中切取寬30 mm、長150 mm、厚6 mm之試驗片，使用島津製作所製造之「autograph AG-100kND」，依據JlS K7171，評估彎曲強度及彎曲彈性模數。
(2)填充時之彎曲試驗(彎曲強度及彎曲彈性模數)
自含陶瓷纖維碟片輥筒用基材中，切取寬30 mm、長150 mm之碟片材，由不鏽鋼板夾住該碟片材，以厚度達到10 mm且密度達到1.25 g/cm3之方式進行壓縮，於經壓縮之狀態下在維持於900℃之加熱爐中保持10小時後，自然冷卻至室溫為止。冷卻後，將壓縮力經釋放者作為測定試樣，使用島津製作所製造之「autograph AG-100kND」，依據JlS K7171
評估彎曲強度及彎曲彈性模數。
(3)熱傳導率
自含陶瓷纖維碟片輥筒用基材中，切取寬50 mm、長100 mm之碟片材，由SUS板夾住該碟片材，以厚度達到10 mm且密度達到1.25 g/cm3之方式進行壓縮，於經壓縮之狀態下在維持於900℃之加熱爐中保持10小時後，自然冷卻至室溫為止。冷卻後，將壓縮力經釋放者作為測定試樣，依據JlS R2618之暫態熱線法，藉由迅速熱傳導率計QTM-500(京都電子工業股份有限公司製造)，於試樣之表面測定室溫下之熱傳導率。
(4)熱膨脹係數
自含陶瓷纖維碟片輥筒用基材，沖裁外徑60 mm、內徑20 mm之碟片材，於不鏽鋼製之軸上以達到長100 mm、密度1.25 g/cm3之方式進行輥筒增徑，並在維持於900℃之加熱爐中保持10小時後，自然冷卻至室溫為止。將冷卻後之試樣切取為5×5×20 mm作為測定試樣。使用理學電機工業股份有限公司製造之熱機械分析裝置「TMA8310」，於空氣中以5℃/min之速度自室溫升溫至900℃為止，測定熱膨脹係數。
(5)壓縮加熱回復率
自含陶瓷纖維碟片輥筒用基材中，切取寬30 mm、長50 mm之碟片材，且由不鏽鋼板夾住，以厚度達到20 mm且密
度達到1.35 g/cm3之方式進行壓縮、固定後，作為試樣。
於600℃下對獲得之試樣加熱5小時後，冷卻至室溫25℃為止，將釋放施加至碟片材之壓縮力時之回復長度除以原長度，求出回復率。又，於900℃下對獲得之碟片輥筒加熱10小時，如上所述，測定回復率。
(6)磨損試驗
自含陶瓷纖維碟片輥筒用基材，沖裁外徑80 mm、內徑30 mm之碟片材，於直徑30 mm之不鏽鋼製軸上，以達到長100 mm、填充密度1.25 g/cm3之方式進行輥筒增徑，製作碟片輥筒。
於使該碟片輥筒之輥筒面以2 mm間隔，接觸於經實施5個寬2 mm之槽加工之直徑30 mm之不鏽鋼製軸之狀態下，於900℃下旋轉5小時後，冷卻至室溫25℃為止，測定碟片輥筒之輥筒表面上出現之槽之深度。
(7)荷重變形量
自含陶瓷纖維碟片輥筒用基材，沖裁外徑60 mm、內徑20 mm之碟片材，於直徑20 m之不鏽鋼製軸上，以達到長100 mm、填充密度1.25 g/cm3之方式進行輥筒增徑，製作碟片輥筒。
於軸之兩端利用座架支持該碟片輥筒，藉由壓縮件以1 mm/分鐘，對包含碟片材之輥筒面施加10 kgf/cm之荷重，測定此時之荷重變形量(室溫)。
又，在900℃之加熱爐中將上述碟片輥筒保持10小時，自加熱爐取出後，對於冷卻至室溫者，以與上述相同之方式測定荷重變形量(900℃下10小時)。
自表1可知，實施例之碟片輥筒係未使用高價之纖維而具有耐熱性、強度、耐磨損性、柔軟性。又，由於渣球較少，故而亦較少劃傷玻璃面。
為了分析膨潤土之影響，除了表2所示之組成外，與實施
例1相同地製造碟片輥筒用基材及碟片輥筒並進行評估。
結果如表2所示。對於膨潤土量30%，由於原板製作較難，故而未測定輥筒物性。
(1)濾水性
以TAPPI(Technical Association of the Pulp and Paper Industry，美國紙漿與造紙工業技術協會)式手工抄紙機之濾水時間進行評估。
○：未達100秒，△：100~200秒，×：200秒以上
(2)薄片外觀
○：良好，△：存在不均一情形，×：存在龜裂
(3)加熱收縮率
將碟片輥筒用基材切取為寬30 mm、長150 mm，於900℃下加熱3小時後，測定其線方向及厚度方向之長度，並基於下述式，評估加熱收縮率。
[(加熱前之測定值-加熱後之測定值)/加熱前之測定值]×100
本發明之碟片輥筒可用於平板玻璃，尤其是液晶用玻璃或電漿顯示器用玻璃之製造。
上述對本發明之實施形態及/或實施例進行若干或詳細說明，熟悉該項技藝者在不實質性地脫離本發明之新穎性教示及效果之情況下，可容易地對作為該等例示之實施形態及/或實施例施加多種變更。因此，該等多種變更亦包含於本發明之範圍內。
本說明書所記載之文獻之內容均引用於此。
10‧‧‧碟片輥筒
100‧‧‧玻璃熔融物
圖1係顯示使用碟片輥筒之玻璃之製造方法之一例之圖。
10‧‧‧碟片輥筒
100‧‧‧玻璃熔融物
Claims (6)
- 一種碟片輥筒用基材，其包含：20~35重量%之矽酸鋁纖維，其係45μm以上之渣球為2重量%以下，且包含45重量%以上且55重量%以下之氧化鋁、及45重量%以上且55重量%以下之氧化矽；10~30重量%之木節土；5~15重量%之膨潤土；及20~40重量%之雲母。
- 如申請專利範圍第1項之碟片輥筒用基材，其中，進一步包含紙漿及澱粉。
- 一種申請專利範圍第1項之碟片輥筒用基材之製造方法，其係將包含氧化鋁45重量%以上且55重量%以下及氧化矽45重量%以上且55重量%以下之粗纖維進行脫粒，製造45μm以上之渣球為2重量%以下之矽酸鋁纖維，將水、上述矽酸鋁纖維、木節土、膨潤土、及雲母進行混合，製造水性漿料，且藉由使水性漿料流入模具中進行濾水而製造薄片。
- 一種碟片輥筒，其係包含自申請專利範圍第1或2項之基材沖裁環狀之碟片材。
- 一種碟片輥筒之製造方法，其係自申請專利範圍第1或2項之基材沖裁複數片環狀之碟片材，將上述複數片碟片材嵌插於軸，製成輥筒狀之積層物，並將上述環狀之積層物自 兩端進行加壓固定。
- 一種玻璃之製造方法，其係使用申請專利範圍第4項之碟片輥筒，搬送玻璃熔融物，且將玻璃熔融物冷卻。
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| JP2007197264A (ja) * | 2006-01-27 | 2007-08-09 | Nichias Corp | 無機繊維質成形体 |
| JP2007269604A (ja) * | 2006-03-31 | 2007-10-18 | Nichias Corp | ディスクロール及びディスクロール用基材 |
| TW201018631A (en) * | 2008-11-06 | 2010-05-16 | Nichias Corp | Base material for disk, process for producing the same, and disk roll |
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|---|---|---|---|---|
| JPS5928771B2 (ja) * | 1982-03-09 | 1984-07-16 | ニチアス株式会社 | デイスクロ−ル |
| WO2003082755A1 (en) | 2002-03-22 | 2003-10-09 | Corning Incorporated | Pulling rolls for use in manufacturing sheet glass |
| JP4393781B2 (ja) | 2003-03-31 | 2010-01-06 | ニチアス株式会社 | ディスクロール及びその製造方法 |
| JP5847994B2 (ja) | 2006-11-29 | 2016-01-27 | コーニング インコーポレイテッド | 板ガラスの製造のための引張ロール用材料 |
| US20090272151A1 (en) * | 2008-04-30 | 2009-11-05 | Maurice Lacasse | Pulling roll material for manufacture of sheet glass |
| KR101624222B1 (ko) * | 2008-09-17 | 2016-05-25 | 니찌아스 카부시키카이샤 | 내열 롤, 그 제조방법 및 내열 롤을 사용한 판유리의 제조방법 |
| JP4920118B1 (ja) * | 2011-07-13 | 2012-04-18 | ニチアス株式会社 | ディスクロール及びその基材 |
| JP2011241920A (ja) * | 2010-05-19 | 2011-12-01 | Nichias Corp | ディスク材用基材及びその製造方法、並びにディスクロール |
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- 2012-03-28 CN CN2012800168660A patent/CN103476721A/zh active Pending
- 2012-03-28 WO PCT/JP2012/002147 patent/WO2012132426A1/ja active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007197264A (ja) * | 2006-01-27 | 2007-08-09 | Nichias Corp | 無機繊維質成形体 |
| JP2007269604A (ja) * | 2006-03-31 | 2007-10-18 | Nichias Corp | ディスクロール及びディスクロール用基材 |
| TW201018631A (en) * | 2008-11-06 | 2010-05-16 | Nichias Corp | Base material for disk, process for producing the same, and disk roll |
Also Published As
| Publication number | Publication date |
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| KR20140031860A (ko) | 2014-03-13 |
| TW201247564A (en) | 2012-12-01 |
| CN103476721A (zh) | 2013-12-25 |
| JP2012211052A (ja) | 2012-11-01 |
| WO2012132426A1 (ja) | 2012-10-04 |
| JP5637915B2 (ja) | 2014-12-10 |
| KR101880906B1 (ko) | 2018-07-23 |
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