JP2013509482A - Cleaning composition for glass substrate of flat panel display device - Google Patents
Cleaning composition for glass substrate of flat panel display device Download PDFInfo
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- JP2013509482A JP2013509482A JP2012536672A JP2012536672A JP2013509482A JP 2013509482 A JP2013509482 A JP 2013509482A JP 2012536672 A JP2012536672 A JP 2012536672A JP 2012536672 A JP2012536672 A JP 2012536672A JP 2013509482 A JP2013509482 A JP 2013509482A
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- glass substrate
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- flat panel
- panel display
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- 238000004140 cleaning Methods 0.000 title claims abstract description 57
- 239000000203 mixture Substances 0.000 title claims abstract description 44
- 239000000758 substrate Substances 0.000 title claims abstract description 39
- 239000011521 glass Substances 0.000 title claims abstract description 34
- 239000002736 nonionic surfactant Substances 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 150000001875 compounds Chemical class 0.000 claims abstract description 10
- 150000005846 sugar alcohols Polymers 0.000 claims abstract description 10
- 150000008044 alkali metal hydroxides Chemical class 0.000 claims abstract description 9
- 125000002947 alkylene group Chemical group 0.000 claims abstract description 9
- -1 oxypropylene group Chemical group 0.000 claims description 9
- 239000000126 substance Substances 0.000 claims description 8
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 claims description 6
- UNXHWFMMPAWVPI-UHFFFAOYSA-N Erythritol Natural products OCC(O)C(O)CO UNXHWFMMPAWVPI-UHFFFAOYSA-N 0.000 claims description 4
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 4
- 150000003505 terpenes Chemical class 0.000 claims description 4
- 235000007586 terpenes Nutrition 0.000 claims description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 claims description 3
- 229920001400 block copolymer Polymers 0.000 claims description 3
- 125000006353 oxyethylene group Chemical group 0.000 claims description 3
- 229920001451 polypropylene glycol Polymers 0.000 claims description 3
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 claims description 2
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 claims description 2
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims description 2
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 claims description 2
- HEBKCHPVOIAQTA-QWWZWVQMSA-N D-arabinitol Chemical compound OC[C@@H](O)C(O)[C@H](O)CO HEBKCHPVOIAQTA-QWWZWVQMSA-N 0.000 claims description 2
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 claims description 2
- UNXHWFMMPAWVPI-QWWZWVQMSA-N D-threitol Chemical compound OC[C@@H](O)[C@H](O)CO UNXHWFMMPAWVPI-QWWZWVQMSA-N 0.000 claims description 2
- 239000004386 Erythritol Substances 0.000 claims description 2
- 229930195725 Mannitol Natural products 0.000 claims description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 claims description 2
- TVXBFESIOXBWNM-UHFFFAOYSA-N Xylitol Natural products OCCC(O)C(O)C(O)CCO TVXBFESIOXBWNM-UHFFFAOYSA-N 0.000 claims description 2
- BMRWNKZVCUKKSR-UHFFFAOYSA-N butane-1,2-diol Chemical compound CCC(O)CO BMRWNKZVCUKKSR-UHFFFAOYSA-N 0.000 claims description 2
- OWBTYPJTUOEWEK-UHFFFAOYSA-N butane-2,3-diol Chemical compound CC(O)C(C)O OWBTYPJTUOEWEK-UHFFFAOYSA-N 0.000 claims description 2
- UNXHWFMMPAWVPI-ZXZARUISSA-N erythritol Chemical compound OC[C@H](O)[C@H](O)CO UNXHWFMMPAWVPI-ZXZARUISSA-N 0.000 claims description 2
- 235000019414 erythritol Nutrition 0.000 claims description 2
- 229940009714 erythritol Drugs 0.000 claims description 2
- 239000000594 mannitol Substances 0.000 claims description 2
- 235000010355 mannitol Nutrition 0.000 claims description 2
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 claims description 2
- 229920000166 polytrimethylene carbonate Polymers 0.000 claims description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 2
- HEBKCHPVOIAQTA-ZXFHETKHSA-N ribitol Chemical compound OC[C@H](O)[C@H](O)[C@H](O)CO HEBKCHPVOIAQTA-ZXFHETKHSA-N 0.000 claims description 2
- 239000000600 sorbitol Substances 0.000 claims description 2
- 235000010356 sorbitol Nutrition 0.000 claims description 2
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 claims description 2
- 239000000811 xylitol Substances 0.000 claims description 2
- 235000010447 xylitol Nutrition 0.000 claims description 2
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 claims description 2
- 229960002675 xylitol Drugs 0.000 claims description 2
- 239000000356 contaminant Substances 0.000 description 19
- 239000002245 particle Substances 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 239000003599 detergent Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 239000004215 Carbon black (E152) Substances 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 239000012459 cleaning agent Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 229910021642 ultra pure water Inorganic materials 0.000 description 3
- 239000012498 ultrapure water Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- OVSKIKFHRZPJSS-UHFFFAOYSA-N 2,4-D Chemical compound OC(=O)COC1=CC=C(Cl)C=C1Cl OVSKIKFHRZPJSS-UHFFFAOYSA-N 0.000 description 1
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000000809 air pollutant Substances 0.000 description 1
- 231100001243 air pollutant Toxicity 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000003868 ammonium compounds Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000011146 organic particle Substances 0.000 description 1
- 239000003002 pH adjusting agent Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003352 sequestering agent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
- C11D1/66—Non-ionic compounds
- C11D1/72—Ethers of polyoxyalkylene glycols
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/02—Inorganic compounds ; Elemental compounds
- C11D3/04—Water-soluble compounds
- C11D3/044—Hydroxides or bases
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/16—Organic compounds
- C11D3/20—Organic compounds containing oxygen
- C11D3/2003—Alcohols; Phenols
- C11D3/2065—Polyhydric alcohols
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/18—Glass; Plastics
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Emergency Medicine (AREA)
- Health & Medical Sciences (AREA)
- Inorganic Chemistry (AREA)
- Detergent Compositions (AREA)
- Surface Treatment Of Glass (AREA)
- Liquid Crystal (AREA)
Abstract
【課題】平板表示装置のガラス基板用洗浄剤組成物を提供する。
【解決手段】本発明の平板表示装置のガラス基板用洗浄剤組成物は、オイルに酸化アルキレンが付加された非イオン性界面活性剤、多価アルコール系化合物、アルカリ金属水酸化物、及び水を含み、ｐＨ１２〜ｐＨ１４であることを特徴とする。
【選択図】図１A cleaning composition for a glass substrate of a flat panel display device is provided.
A glass substrate cleaning composition for a flat panel display device according to the present invention comprises a nonionic surfactant in which alkylene oxide is added to oil, a polyhydric alcohol compound, an alkali metal hydroxide, and water. Including, pH 12 to pH 14.
[Selection] Figure 1
Description
本発明は、低気泡性水系洗浄剤である、平板表示装置のガラス基板用洗浄剤組成物に関する。本発明は、２００９年１０月３０日に韓国特許庁に提出された韓国特許出願第１０−２００９−０１０４４１６号の出願日の利益を主張し、その内容全部は本発明に含まれる。 The present invention relates to a detergent composition for a glass substrate of a flat panel display device, which is a low-bubble aqueous detergent. The present invention claims the benefit of the filing date of Korean Patent Application No. 10-2009-0104416 filed with the Korean Patent Office on October 30, 2009, the entire contents of which are included in the present invention.
ＦＰＤ(flat panel display device)は、半導体デバイスと同様に、成膜、露光、エッチングなどの工程を経て製品が製造される。ところが、このような製造工程によって、基板の表面に各種の有機物や無機物などの大きさが１μｍ以下の非常に小さいパーティクル(Particle)により、付着汚染が発生する。このようなパーティクルが付着したままで次の工程処理を実施した場合、膜のピンホールまたはピット、配線の断線またはブリッジ(Bridge)が発生して製品の製造収率が低下する。 FPDs (flat panel display devices) are manufactured through processes such as film formation, exposure, and etching, as with semiconductor devices. However, due to such a manufacturing process, adhesion contamination occurs due to very small particles (Particles) having a size of 1 μm or less such as various organic substances and inorganic substances on the surface of the substrate. When the next process is carried out with such particles attached, film pinholes or pits, wiring breaks or bridges occur, resulting in a decrease in product manufacturing yield.
したがって、汚染物を除去するための洗浄が各工程の間に行われており、このための洗浄剤についても多くの提案があった。例えば、特許文献１には、芳香族アルコールに酸化アルキレンが付加された非イオン性界面活性剤、及び炭化水素アルコールに酸化アルキレンが付加された非イオン性界面活性剤を含む水系洗浄剤が開示されている。ところが、長鎖の炭化水素系に酸化アルキレンが付加された非イオン性界面活性剤を使用するので、スプレーなどの工程で気泡が発生する。また、特許文献２では、酸性のｐＨ環境下に脱イオン水、有機化合物及びアンモニウム化合物を含む洗浄液を提案した。ところが、前記洗浄液が酸性範囲の洗浄液であるから、洗浄初期段階の基本的特性、すなわち有機物や無機物などの大きさが１μｍ以下の非常に小さいパーティクルに対する除去性が不十分である。また、特許文献３は、長鎖アルコールに酸化アルキレンが付加された非イオン性界面活性剤、短鎖のグリコールエーテル溶剤、長鎖のグリコールエーテル溶剤、パラフィン系またはオレフィン系炭化水素及び水を含んでなる洗浄剤組成物を提案した。ところが、炭化水素系溶剤を使用する場合、引火性と乾燥問題の発生可能性が存在する。また、末端アルキル基の炭素数が増加する場合、洗浄剤の粘度上昇と水に対する溶解性が低下するおそれがある。 Therefore, cleaning for removing contaminants is performed during each process, and there have been many proposals for cleaning agents for this purpose. For example, Patent Document 1 discloses an aqueous detergent containing a nonionic surfactant in which alkylene oxide is added to an aromatic alcohol and a nonionic surfactant in which alkylene oxide is added to a hydrocarbon alcohol. ing. However, since a nonionic surfactant in which alkylene oxide is added to a long-chain hydrocarbon system is used, bubbles are generated in a process such as spraying. Patent Document 2 proposed a cleaning solution containing deionized water, an organic compound, and an ammonium compound in an acidic pH environment. However, since the cleaning liquid is a cleaning liquid in the acidic range, the basic characteristics at the initial stage of cleaning, that is, the removability with respect to very small particles having an organic or inorganic size of 1 μm or less is insufficient. Patent Document 3 includes a nonionic surfactant in which alkylene oxide is added to a long-chain alcohol, a short-chain glycol ether solvent, a long-chain glycol ether solvent, a paraffinic or olefinic hydrocarbon, and water. A cleaning composition was proposed. However, when a hydrocarbon solvent is used, there is a possibility of occurrence of flammability and drying problems. Moreover, when carbon number of a terminal alkyl group increases, there exists a possibility that the viscosity of a cleaning agent and the solubility with respect to water may fall.
本発明の目的は、ガラス基板上に存在する汚染物質を完全に除去することにより洗浄効果及び生産性を増大させることが可能な低気泡性水系洗浄剤である、平板表示装置のガラス基板用洗浄剤組成物を提供することにある。 An object of the present invention is to clean a glass substrate of a flat panel display device, which is a low-bubble aqueous cleaning agent capable of increasing the cleaning effect and productivity by completely removing contaminants present on the glass substrate. It is to provide an agent composition.
本発明は、化学式１で表されるテルペン系オイルに酸化アルキレンが付加された非イオン性界面活性剤、多価アルコール系化合物、アルカリ金属水酸化物、及び水を含み、ｐＨ１２〜ｐＨ１４であることを特徴とする、平板表示装置ガラス基板用洗浄剤組成物を提供する： The present invention includes a nonionic surfactant in which alkylene oxide is added to the terpene oil represented by Chemical Formula 1, a polyhydric alcohol compound, an alkali metal hydroxide, and water, and has a pH of 12 to 14. A cleaning composition for a flat panel display glass substrate is provided:
式中、ＡＯはオキシエチレン基、オキシプロピレン基またはポリオキシエチレン・ポリオキシプロピレンブロック共重合体であり、ｎは１〜４０である。 In the formula, AO is an oxyethylene group, an oxypropylene group or a polyoxyethylene / polyoxypropylene block copolymer, and n is 1 to 40.
本発明の洗浄剤組成物は、平板表示装置のガラス基板の表面に対する有機物汚染物及びパーティクルの除去力に優れる。本発明の洗浄剤組成物は、リンス後に残留物がなく、多量の脱イオン水を含むので、取り扱いが容易で環境的にも有利である。 The cleaning composition of the present invention is excellent in the ability to remove organic contaminants and particles on the surface of a glass substrate of a flat panel display. Since the cleaning composition of the present invention has no residue after rinsing and contains a large amount of deionized water, it is easy to handle and environmentally advantageous.
以下、本発明について詳細に説明する。 The present invention will be described in detail below.
本発明の平板表示装置のガラス基板用洗浄剤組成物は、ｐＨ１２〜ｐＨ１４であり、非イオン性界面活性剤、多価アルコール系化合物、アルカリ金属水酸化物及び水を含む。 The cleaning composition for a glass substrate of the flat panel display device of the present invention has a pH of 12 to 14, and contains a nonionic surfactant, a polyhydric alcohol compound, an alkali metal hydroxide and water.
本発明の平板表示装置のガラス基板用洗浄剤組成物に含まれる非イオン性界面活性剤は、下記化学式１で表されるテルペン系オイルに酸化アルキレンが付加された非イオン性界面活性剤である。 The nonionic surfactant contained in the glass substrate cleaning composition of the flat panel display device of the present invention is a nonionic surfactant obtained by adding alkylene oxide to a terpene oil represented by the following chemical formula 1. .
式中、ＡＯはオキシエチレン基、オキシプロピレン基またはポリオキシエチレン・ポリオキシプロピレンブロック共重合体であり、ｎは１〜４０である。 In the formula, AO is an oxyethylene group, an oxypropylene group or a polyoxyethylene / polyoxypropylene block copolymer, and n is 1 to 40.
前記化学式１で表される非イオン性界面活性剤は、スプレー工程で低気泡性を示し、湿潤浸透力を向上させてガラス基板から汚染物質を容易に除去する。 The nonionic surfactant represented by the chemical formula 1 exhibits a low bubble property in the spray process, and improves the wet permeability and easily removes contaminants from the glass substrate.
前記化学式１で表される非イオン性界面活性剤は、組成物の総重量に対して、０．０１〜５重量％で含まれることが好ましく、０．１〜２重量％で含まれることがより好ましい。上述した範囲未満で含まれると、ガラス基板の表面と粒子などの汚染物間の界面に迅速に洗浄液を浸透させることが難しくなり、汚染物に対する洗浄力が減少するという問題点がある。上述した範囲超過で含まれると、湿潤浸透力が強くてガラス基板の表面に洗浄剤組成物が残留する。そして、リンス工程においても界面活性剤が基板に残留する。また、洗浄剤組成物の粘度上昇による気泡発生の度合いが激しくなって工程上の作業性が低下するという問題がある。 The nonionic surfactant represented by Chemical Formula 1 is preferably included at 0.01 to 5% by weight, and preferably 0.1 to 2% by weight, based on the total weight of the composition. More preferred. If the content is less than the above range, it becomes difficult to quickly penetrate the cleaning liquid into the interface between the surface of the glass substrate and the contaminant such as particles, and there is a problem that the cleaning power against the contaminant is reduced. If it is included in excess of the above range, the wet penetration force is strong and the cleaning composition remains on the surface of the glass substrate. In the rinsing step, the surfactant remains on the substrate. In addition, there is a problem that the degree of bubble generation due to an increase in viscosity of the cleaning composition becomes severe and workability in the process is lowered.
前記化学式１で表される非イオン性界面活性剤としては市販の製品を用いることができるが、Ｒｈｏｄｉａ製のＲｈｏｄｏｃｌｅａｎ ＡＳＰ（Ｒｈｏｄｏｃｌｅａｎは登録商標）、Ｒｈｏｄｏｃｌｅａｎ ＭＳＣ、Ｒｈｏｄｏｃｌｅａｎ ＥＦＣ、及びＲｈｏｄｏｃｌｅａｎ ＨＰなどがある。 Commercially available products can be used as the nonionic surfactant represented by the chemical formula 1, but Rhodoclean ASP (Rhodoclean is a registered trademark) manufactured by Rhodia, Rhodoclean MSC, Rhodoclean EFC, and Rhodoclean HP.
本発明の平板表示装置のガラス基板用洗浄剤組成物に含まれる多価アルコール系化合物は、ガラス基板表面の湿潤性を増加させて、前記化学式１で表される非イオン性界面活性剤のみでは除去し難いガラス基板表面のオイル成分の除去能力、すなわち洗浄力を向上させる。また、前記多価アルコール系化合物は本発明の洗浄剤組成物の水に対する溶解力及びリンス力を向上させる。 The polyhydric alcohol compound contained in the glass substrate cleaning composition of the flat panel display device according to the present invention increases the wettability of the glass substrate surface, and only the nonionic surfactant represented by Formula 1 is used. The ability to remove the oil component on the glass substrate surface that is difficult to remove, that is, the cleaning power is improved. In addition, the polyhydric alcohol compound improves the dissolving power and rinsing power of the cleaning composition of the present invention in water.
前記多価アルコール系化合物は、組成物の総重量に対して、０．０１〜５重量％で含まれることが好ましく、０．１〜３重量％で含まれることがより好ましい。上述した範囲未満で含まれると、ガラス基板の表面に対する湿潤性付与が足りない。上述した範囲超過で含まれると、非経済的である。 The polyhydric alcohol compound is preferably contained at 0.01 to 5% by weight, more preferably 0.1 to 3% by weight, based on the total weight of the composition. If the content is less than the above range, the wettability imparting to the surface of the glass substrate is insufficient. It is uneconomical if included in excess of the above-mentioned range.
前記多価アルコール系化合物は、エチレングリコール、プロピレングリコール、１，３−プロパンジオール、１，２−ブタンジオール、１，３−ブタンジオール、２，３−ブタンジオール、１，４−ブタンジオール、２−メチル−１，３−プロパンジオール、グリセロール、トリメチロールエタン、トリメチロールプロパン、ペンタエリトリトール、キシリトール、マンニトール、ソルビトール、エリトリトール、アドニトール、トレイトール、アラビトール及びタリトールよりなる群から選ばれる１種または２種以上であることが好ましい。 The polyhydric alcohol compounds include ethylene glycol, propylene glycol, 1,3-propanediol, 1,2-butanediol, 1,3-butanediol, 2,3-butanediol, 1,4-butanediol, 2 1 type or 2 types selected from the group consisting of methyl-1,3-propanediol, glycerol, trimethylolethane, trimethylolpropane, pentaerythritol, xylitol, mannitol, sorbitol, erythritol, adonitol, threitol, arabitol and taritol The above is preferable.
本発明の平板表示装置のガラス基板用洗浄剤組成物に含まれるアルカリ金属水酸化物は高アルカリ性を有する。これにより、高分子の有機汚染物またはオイル性有機化合物を低分子量化させ、ガラス基板に対する剥離性を高めてガラス基板に対する洗浄力を付与する。 The alkali metal hydroxide contained in the glass substrate cleaning composition of the flat panel display device of the present invention has high alkalinity. This lowers the molecular weight of high molecular organic contaminants or oily organic compounds, enhances the peelability from the glass substrate, and imparts cleaning power to the glass substrate.
前記アルカリ金属水酸化物は、組成物の総重量に対して、０．０５〜５重量％で含まれることが好ましく、０．１〜２重量％で含まれることがより好ましい。上述した範囲未満で含まれると、ガラス基板上に付着したパーティクルまたは有機汚染物を除去することが容易ではない。上述した範囲超過で含まれると、洗浄効果がもはや増加せず、洗浄液の価格が上昇して非経済的であり、環境的な問題を誘発するおそれもある。 The alkali metal hydroxide is preferably contained at 0.05 to 5% by weight, more preferably 0.1 to 2% by weight, based on the total weight of the composition. When the content is less than the above range, it is not easy to remove particles or organic contaminants attached to the glass substrate. If it is included in excess of the above-mentioned range, the cleaning effect will no longer increase, the price of the cleaning liquid will increase, it will be uneconomical, and it may cause environmental problems.
前記アルカリ金属水酸化物は、ＫＯＨ、ＮａＯＨ及びこれらの混合物よりなる群から選ばれる１種であることが好ましい。その理由は高アルカリ性を与えるうえ、入手が容易で、経済的だからである。 The alkali metal hydroxide is preferably one selected from the group consisting of KOH, NaOH, and mixtures thereof. This is because it provides high alkalinity, is easily available, and is economical.
本発明の平板表示装置のガラス基板用洗浄剤組成物に含まれる水は、脱イオン水を意味し、半導体工程用を使用し、好ましくは１８ＭΩ・ｃｍ以上の水を使用する。組成物の総重量に対して、前記水は本発明の洗浄剤組成物の総重量が１００重量％となるように残量含まれる。 The water contained in the cleaning composition for a glass substrate of the flat panel display device of the present invention means deionized water, and is used for a semiconductor process, preferably water of 18 MΩ · cm or more. The remaining amount of water is included so that the total weight of the cleaning composition of the present invention is 100% by weight with respect to the total weight of the composition.
本発明の平板表示装置のガラス基板用洗浄剤組成物は、前述した成分以外に通常の添加剤をさらに含むことができ、前記添加剤としては金属イオン封鎖剤及びｐＨ調節剤などを挙げることができる。 The glass substrate cleaning composition for a flat panel display device of the present invention may further contain a normal additive in addition to the components described above, and examples of the additive include a sequestering agent and a pH adjuster. it can.
本発明の洗浄剤組成物は、平板表示装置のガラス基板の表面に対する有機物汚染物及びパーティクルの除去力に優れる。本発明の洗浄剤組成物は、リンス後に残留物がなく、多量の脱イオン水を含むので、取り扱いが容易で環境的にも有利である。 The cleaning composition of the present invention is excellent in the ability to remove organic contaminants and particles on the surface of a glass substrate of a flat panel display. Since the cleaning composition of the present invention has no residue after rinsing and contains a large amount of deionized water, it is easy to handle and environmentally advantageous.
以下、実施例及び試験例によって本発明をさらに詳細に説明する。ところが、本発明の範囲は下記の実施例及び試験例によって限定されるものではない。 Hereinafter, the present invention will be described in more detail with reference to Examples and Test Examples. However, the scope of the present invention is not limited by the following examples and test examples.
−実施例１〜１７及び比較例１〜４：洗浄剤組成物の製造−
攪拌器が設置されている混合槽に、下記表１に記載された成分を表１に記載の組成比によって混合し、常温で１時間５００ｒｐｍの速度で攪拌して洗浄剤組成物を製造した。
-Examples 1 to 17 and Comparative Examples 1 to 4: Production of detergent compositions-
The components described in Table 1 below were mixed in a mixing tank in which a stirrer was installed according to the composition ratio described in Table 1, and stirred at a speed of 500 rpm for 1 hour at room temperature to produce a cleaning composition.
−試験例：洗浄剤組成物の特性評価−
<大気中汚染物の除去力の評価>
実施例１〜１７及び比較例１〜４の洗浄剤組成物１００ｍＬをそれぞれ容量２５０ｍＬのビーカーに入れた。一方、汚染物の除去力評価のために５ｃｍ×５ｃｍのサイズに形成されたガラス基板を大気中に３日間放置させて汚染させた。
-Test example: Characteristic evaluation of cleaning composition-
<Evaluation of air pollutant removal ability>
100 mL of the cleaning compositions of Examples 1 to 17 and Comparative Examples 1 to 4 were each placed in a 250 mL capacity beaker. On the other hand, a glass substrate formed in a size of 5 cm × 5 cm was allowed to stand in the atmosphere for 3 days in order to evaluate the removal power of contaminants and contaminated.
前記汚染した基板を、スプレー式ガラス基板洗浄装置を用いて１分間室温で実施例１〜１７及び比較例１〜４の洗浄剤組成物で洗浄した。洗浄の後、超純水で３０秒間洗浄した後、窒素で乾燥させた。汚染物の除去度合いは接触角測定装置を用いて洗浄前と洗浄後の接触角減少量で評価し、その結果を表２に示した。 The contaminated substrate was cleaned with the cleaning compositions of Examples 1-17 and Comparative Examples 1-4 at room temperature for 1 minute using a spray glass substrate cleaning apparatus. After washing, it was washed with ultrapure water for 30 seconds and then dried with nitrogen. The degree of removal of contaminants was evaluated by a contact angle reduction amount before and after cleaning using a contact angle measuring device, and the results are shown in Table 2.
<有機汚染物の除去力の評価>
有機汚染物の除去力評価のために５ｃｍ×５ｃｍのサイズに形成されたガラス基板上にヒトの指紋跡で汚染させ、汚染した基板を、スプレー式ガラス基板洗浄装置を用いて２分間室温で実施例１〜１７及び比較例１〜４の洗浄剤組成物で洗浄した。洗浄の後、超純水で３０秒間洗浄した後、窒素で乾燥させた。汚染物の除去度合いは接触角測定装置を用いて洗浄前と洗浄後の接触角減少量で評価した。その結果を表２に示した。
<Evaluation of organic contaminant removal ability>
In order to evaluate the removal ability of organic contaminants, a glass substrate formed in a size of 5 cm × 5 cm was contaminated with human fingerprint marks, and the contaminated substrate was carried out at room temperature for 2 minutes using a spray type glass substrate cleaning apparatus. Washed with the detergent compositions of Examples 1-17 and Comparative Examples 1-4. After washing, it was washed with ultrapure water for 30 seconds and then dried with nitrogen. The degree of removal of contaminants was evaluated by the contact angle reduction before and after cleaning using a contact angle measuring device. The results are shown in Table 2.
<パーティクルの除去力の評価>
ガラス基板を平均粒径０．８μｍの有機パーティクルソリューションで汚染させ、１分間３０００ｒｐｍでスピンドライした後、スプレー式ガラス基板洗浄装置を用いて２分間室温で実施例３、実施例４、実施例９、実施例１０、実施例１７、比較例２及び比較例４の洗浄剤組成物で洗浄した。洗浄の後、超純水で３０秒間洗浄し、窒素で乾燥させた。洗浄前後のパーティクル数は表面粒子測定器（Ｔｏｐｃｏｎ ＷＭ−１５００）で０．３μｍ以上のパーティクル数を測定し、その結果を表３に示した。
<Evaluation of particle removal power>
A glass substrate was contaminated with an organic particle solution having an average particle diameter of 0.8 μm, spin-dried at 3000 rpm for 1 minute, and then subjected to Example 3, Example 4, and Example 9 at room temperature for 2 minutes using a spray glass substrate cleaning apparatus. Washed with the cleaning compositions of Example 10, Example 17, Comparative Example 2 and Comparative Example 4. After washing, the substrate was washed with ultrapure water for 30 seconds and dried with nitrogen. The number of particles before and after cleaning was measured with a surface particle measuring device (Topcon WM-1500), and the number of particles of 0.3 μm or more was measured.
表２及び表３を参照すると、実施例１〜実施例１７の洗浄剤組成物を用いると、全ての汚染物の除去力があることを示し、接触角が３０°以上減少して有機汚染物の除去能力を示し、パーティクル除去力にも優れることが分かる。これに対し、比較例１〜４の洗浄剤組成物の場合、全ての汚染物ではなく特定の汚染物に対してのみ洗浄能力があり、パーティクル除去率にも優れないことが分かる。 Referring to Tables 2 and 3, when the cleaning compositions of Examples 1 to 17 are used, it shows that all the contaminants are removed, and the contact angle is reduced by 30 ° or more, and the organic contaminants. It can be seen that the particle removal ability is excellent and the particle removal ability is also excellent. On the other hand, it can be seen that the cleaning compositions of Comparative Examples 1 to 4 have a cleaning ability only for specific contaminants, not all contaminants, and are not excellent in particle removal rate.
一方、図１は実施例９の洗浄剤組成物を用いて洗浄前の接触角を示す写真である。図２は実施例９の洗浄剤組成物を用いて洗浄後の接触角を示す写真である。 On the other hand, FIG. 1 is a photograph showing the contact angle before cleaning using the cleaning composition of Example 9. FIG. 2 is a photograph showing the contact angle after cleaning using the cleaning composition of Example 9.
図１及び図２を参照すると、前条前後の接触角が減少して大気中の汚染物が効果的に除去されたことが分かる。 Referring to FIG. 1 and FIG. 2, it can be seen that the contact angle before and after the front strip is reduced, and contaminants in the atmosphere are effectively removed.
Claims (4)
多価アルコール系化合物と、
アルカリ金属水酸化物と、
水とを含み、ｐＨ１２〜ｐＨ１４であることを特徴とする、平板表示装置ガラス基板用洗浄剤組成物:
A polyhydric alcohol compound,
An alkali metal hydroxide,
A cleaning composition for a flat panel display glass substrate, comprising water and having a pH of 12 to 14.
前記化学式１で表されるテルペン系オイルに酸化アルキレンが付加された非イオン性界面活性剤０．０１〜５重量％、
前記多価アルコール系化合物０．０１〜５重量％、および
前記アルカリ金属水酸化物０．０５〜５重量％を含有し、
残部は前記水からなることを特徴とする、請求項１に記載の平板表示装置ガラス基板用洗浄剤組成物。 With respect to the total weight of the composition,
0.01 to 5% by weight of a nonionic surfactant in which alkylene oxide is added to the terpene oil represented by Formula 1;
Containing 0.01 to 5% by weight of the polyhydric alcohol compound, and 0.05 to 5% by weight of the alkali metal hydroxide,
The cleaning composition for a flat panel display device glass substrate according to claim 1, wherein the remainder comprises the water.
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| PCT/KR2010/007416 WO2011052988A2 (en) | 2009-10-30 | 2010-10-27 | Cleaner composition for glass substrate of flat panel display device |
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| CN104232371A (en) * | 2014-09-13 | 2014-12-24 | 滁州斯迈特复合材料有限公司 | Cleaning agent for moisturizing atomizing bottle |
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| JP2009503161A (en) * | 2005-07-25 | 2009-01-29 | ロディア・シミ | Method for removing dirt and makeup from the surface |
| JP2008101193A (en) * | 2006-08-21 | 2008-05-01 | Nippon Parkerizing Co Ltd | Low-foaming, acidic and low-temperature cleaner and process for cleaning surfaces |
| WO2009013207A1 (en) * | 2007-07-20 | 2009-01-29 | Rhodia Operations | Use of carboxylic acid diesters for treating textiles and formulation therefor |
| WO2009013208A1 (en) * | 2007-07-20 | 2009-01-29 | Rhodia Operations | Formulations of carboxylic acid diesters and use thereof for treating materials |
| US20110049428A1 (en) * | 2008-04-09 | 2011-03-03 | Rhodia Operations | Aqueous treatment composition for inhibiting corrosion and acid attack on metallic surfaces |
| WO2009137096A1 (en) * | 2008-05-09 | 2009-11-12 | Rhodia Inc. | Cleaning compositions incorporating green solvents and methods for use |
| JP2013533335A (en) * | 2010-06-02 | 2013-08-22 | ロディア オペレーションズ | Use of environmentally friendly microemulsions in oil cleaning applications |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101673589B1 (en) | 2016-11-07 |
| TWI512099B (en) | 2015-12-11 |
| TW201127946A (en) | 2011-08-16 |
| KR20110047693A (en) | 2011-05-09 |
| WO2011052988A3 (en) | 2011-11-03 |
| WO2011052988A2 (en) | 2011-05-05 |
| CN102482616A (en) | 2012-05-30 |
| JP5603948B2 (en) | 2014-10-08 |
| CN102482616B (en) | 2014-05-28 |
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