JP3931566B2 - Matte composition - Google Patents
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- JP3931566B2 JP3931566B2 JP2001019364A JP2001019364A JP3931566B2 JP 3931566 B2 JP3931566 B2 JP 3931566B2 JP 2001019364 A JP2001019364 A JP 2001019364A JP 2001019364 A JP2001019364 A JP 2001019364A JP 3931566 B2 JP3931566 B2 JP 3931566B2
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- polyethylene wax
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Description
【０００１】
【産業上の利用分野】
本発明は艶消し材組成物に関し、さらに詳しくは、塗料に艶消しを付与するために使用される粘性に優れるポリエチレンワックス系艶消し材組成物に関するものである。
【０００２】
【従来の技術】
塗料および印刷インキ等へ微粒ポリエチレンワックスを添加し、塗装された製品・印刷物の艶消し、スリップ性、ブロッキング、傷つき等の表面適性改善、塗料および印刷インキ中の顔料沈降改善を行う事は広く知られている。また、塗料の艶消しを付与する方法としては、微粒ポリエチレンワックスの添加、シリカ等の無機フィラーの添加等が行われ、これらの使い分けは、塗料の用途、艶消し感等により、単独若しくは併用で使われる。さらに、ポリエチレンワックスを塗料の艶消し材として使用する場合、より容易にポリエチレンワックスを塗料に添加する方法として、ポリエチレンワックスを有機溶剤中に分散させた艶消しペーストの使用が一般的に行われている。
【０００３】
このポリエチレンワックス系艶消し材を得る方法としては、微粒化したポリエチレンワックス粉を撹拌機にて有機溶剤中に分散する方法、湿式ミル中に有機溶剤と粗粉ポリエチレンワックスを仕込み分散する方法、ポリエチレンワックスを加熱有機溶剤中で溶解し、撹拌しながら冷却方法があり、組成物中のワックス分としては５〜２０重量％である。
【０００４】
また、塗料に艶消しを付与するために、添加するポリエチレンワックス系艶消し材は、要求される艶により変わるが、数％〜５０重量％と幅広い量となっている。
【０００５】
これらのポリエチレンワックス系艶消し材を使用して艶消し塗料を作成した場合、有効成分であるポリエチレンワックスの量に対し４〜２０倍の有機溶剤が塗料の中に入ることになり、塗料の処方設計および製造工程に対し大きな制約要素となっている。
【０００６】
またこれらのポリエチレンワックス系艶消し材は構造粘性が大きいことから、ハンドリング性が悪いことに加え、ポリエチレンワックス系艶消し材の添加量が多い場合、添加した塗料の粘性が大きく変化する等の欠点があった。
【０００７】
【発明が解決しようとする課題】
本発明は、ポリエチレンワックス系艶消し材を塗料に使用する際の粘性を改良したポリエチレンワックス系艶消し材を提供することにある。
【０００８】
【課題を解決するための手段】
本発明は、有機溶剤と、該有機溶剤に分散したポリエチレンワックスと、該有機溶剤に溶解したエチレン酢酸ビニル共重合樹脂とからなり、上記エチレン酢酸ビニル共重合樹脂は、上記ポリエチレンワックス１００重量部に対して０．５〜３０重量部であることを特徴とするポリエチレンワックス系艶消し材に関する。
【０００９】
更に本発明は、エチレン酢酸ビニル共重合樹脂の酢酸ビニル含有量が１０〜５０重量％である上記艶消し材組成物に関する。
【００１０】
【発明の実施の形態】
本発明の艶消し材について詳細に説明する。本発明の艶消し材は、ポリエチレンワックス、エチレン酢酸ビニル共重合樹脂および有機溶剤を主成分とする液状分散体からなる。
【００１１】
本発明の艶消し材に使用するポリエチレンワックスとは、低分子量ポリエチレンの総称であり、重量平均分子量１０００〜１００００、密度０．９０〜０．９９ｇ／ｍ3、軟化点１００〜１４０℃が好ましく、これらは１種類もしくは２種類以上が使用できる。ポリエチレンワックス粒子の分散平均粒径としては、３〜２０μｍであることが好ましい。
【００１２】
本発明の艶消し材に使用するエチレン酢酸ビニル共重合樹脂は、特に限定されるものではないが、酢酸ビニル含有量が１０〜５０重量％、好ましくは２０〜３５重量％であることが粘性改善効果の面から好ましい。エチレン酢酸ビニル共重合樹脂の使用量としては、上記ポリエチレンワックス１００重量部に対して０．５〜３０重量部、好ましくは１〜１０重量部である。上記数値より小さいと艶消し材の粘性改善効果が劣り、上記数値より大きいと粘性改善効果はあるものの、塗料および印刷インキの適性改良を目的に配合するポリエチレンワックス分が減少することから好ましくない。
【００１３】
本発明艶消し材に使用する有機溶剤としては、エチレン酢酸ビニル共重合樹脂を溶解する有機溶剤であれば制限されなることなく、艶消し材の製造方法および用途等により１種類もしくは２種類以上が選ばれる。選定の基準として、例えば製造方法がポリエチレンワックスを有機溶剤に加熱溶解する工程を経る場合は、溶解温度以上の沸点を有する炭化水素系有機溶剤を溶剤の全部もしくは一部とする。また、艶消し材の用途が、室温で自然乾燥するラッカー塗料等の場合は、蒸発速度の速い低沸点溶剤を、高温で焼き付けするＰＣＭ塗料等は、高沸点溶剤を溶剤の全部もしくは一部とする。
【００１４】
有機溶剤としては、例えばヘキサン、ヘプタン、トルエン、キシレン、シクロヘキサン、メチルシクロヘキサン、エチルシクロヘキサン、工業用ガソリンなどの炭化水素系、酢酸メチル、酢酸エチル、酢酸ブチル、酢酸イソブチルなどのエステル系、イソプロピルエーテルなどのエーテル系、メチルアルコール、エチルアルコール、イソプロピルアルコール、ｎ−ブチルアルコール、イソブチルアルコールなどのアルコール系、アセトン、メチルエチルケトン、メチルイソブチルケトンシクロヘキサノンなどのケトン系などがあげられ、これらは１種類もしくは２種類以上が使用できる。
【００１５】
本発明の艶消し材には、さらに必要に応じて樹脂成分、顔料成分などを配合することができる。例えば、樹脂成分としてアクリル樹脂、ビニル樹脂、ポリエステル樹脂、アルキッド樹脂、ウレタン樹脂、エポキシ樹脂、シリコン樹脂、フッ素樹脂、ケトン樹脂、キシレン樹脂、ロジン変性マレイン酸樹脂、石油樹脂、繊維素誘導体などの溶液または粉体、顔料成分としてシリカ、炭酸カルシウム、水酸化アルミニウム、マイカ、金属石鹸、酸化鉄、二酸化チタン、金属粉末、カーボンブラック、アゾ顔料、フタロシアニン顔料、縮合多環顔料、染料レーキ顔料等、その他染料等の１種類もしくは２種類以上が使用できる。
【００１６】
本発明の艶消し材の製造方法としては、例えば、粉末状のポリエチレンワックスの場合、高速攪拌機にて有機溶剤中に分散あるいは湿式ミル中に有機溶剤と粉末状ポリエチレンワックスを仕込み分散する方法がある。また、ペレット状ポリエチレンワックスの場合、乾式ミル粉砕の後、前記同様に湿式ミル中に有機溶剤と粉砕したポリエチレンワックスを仕込み分散する方法、或いはペレット状ポリエチレンワックスを加熱有機溶剤中で溶解し、撹拌しながら冷却する方法、加熱有機溶剤中で溶解したポリエチレンワックスを析出温度以下の溶剤中に添加して析出させる方法等があり、使用するポリエチレンワックス分散体の形態および艶消し材の目標粒度などにより決定される。また、エチレン酢酸ビニル共重合樹脂は通常ペレット状で供給されるため、艶消し材への添加は、予め有機溶剤に溶解または分散したエチレン酢酸ビニル共重合樹脂を分散時に添加、或いは最終調整時に添加混合するなど、製造方法にあわせて選択でき、何れも粘性改善に有効に働く。但し、艶消し材の製造過程においてポリエチレンワックスの溶解工程がある場合は、ポリエチレンワックスの溶解時にペレット状エチレン酢酸ビニル共重合樹脂を添加することもできる。
【００１７】
本発明の艶消し材が添加される塗料とは、一般の油性塗料であれば特に限定はされず、フタル酸樹脂塗料、硝化綿塗料、アミノアルキッド樹脂塗料、アクリル樹脂塗料、エポキシ樹脂塗料、ビニル樹脂塗料、ポリエステル樹脂塗料、ウレタン樹脂塗料等の有機溶剤系塗料で、塗料の溶剤成分或いは希釈材として水を主に使用するいわゆる水性塗料以外の塗料を指す。
【００１８】
【実施例】
実施例１
酢酸ビニル含有量１５重量％のエチレン酢酸ビニル共重合樹脂０．５重量部とキシレン７９．５重量部を８０℃まで加熱し、エチレン酢酸ビニル共重合樹脂を完全溶解させる。室温まで冷却した後、重量平均分子量２０００、密度０．９６ｇ／ｍ3で最大粒径６０μｍの粉末ポリエチレンワックス２０重量部を添加しバッチ式ビーズミルにて分散し、ポリエチレンワックス系艶消し材を得た。
【００１９】
比較例１
また、キシレン８０重量部および実施例１と同一のポリエチレンワックス２０重量部をバッチ式ビーズミルにて実施例１と同一条件で分散し、ポリエチレンワックス系艶消し材を得た。
【００２０】
実施例２
更に酢酸ビニル含有量２０重量％のエチレン酢酸ビニル共重合樹脂０．８重量部とトルエン５９．２重量部を８０℃まで加熱し、エチレン酢酸ビニル共重合樹脂を完全溶解させる。室温まで冷却した後、重量平均分子量２０００、密度０．９７ｇ／ｍ3で最大粒径４０μｍの粉末ポリエチレンワックス４０重量部を添加しバッチ式ビーズミルにて分散し、ポリエチレンワックス系艶消し材を得た。
【００２１】
比較例２
また、トルエン６０重量部および実施例２と同一のポリエチレンワックス４０重量部をバッチ式ビーズミルにて実施例２と同一条件で分散し、ポリエチレンワックス系艶消し材を得た。
【００２２】
実施例３
重量平均分子量４０００、密度０．９７ｇ／ｍ3のポリエチレンワックス１９．５重量部、酢酸ビニル含有量１７重量％のエチレン酢酸ビニル共重合樹脂０．５重量部とトルエン８０．０重量部を撹拌しながら１０５℃まで加熱し完全溶解させ、撹拌しながら室温まで冷却してポリエチレンワックス系艶消し材を得た。
【００２３】
比較例３
また、実施例３と同一のポリエチレンワックス２０重量部とトルエン８０重量部を撹拌しながら１０５℃まで加熱し完全溶解させ、撹拌しながら室温まで冷却してポリエチレンワックス系艶消し材を得た。
【００２４】
実施例４
酢酸ビニル含有量２５重量％のエチレン酢酸ビニル共重合樹脂０．４重量部とキシレン６６．３重量部を８０℃まで加熱し、エチレン酢酸ビニル共重合樹脂を完全溶解させる。室温まで冷却した後、重量平均分子量２０００、密度０．９２ｇ／ｍ3で最大粒径８０μｍの粉末ポリエチレンワックス２０重量部およびアルキッド樹脂溶液（固形分６０重量％キシレン溶液）１３．３重量部を添加しバッチ式ビーズミルにて分散し、ポリエチレンワックス系艶消し材を得た。
【００２５】
比較例４
キシレン６６．７重量部、実施例４と同一の粉末ポリエチレンワックス２０重量部およびアルキッド樹脂（固形分６０重量％キシレン溶液）１３．３重量部を実施例４と同一の条件でバッチ式ビーズミルにて分散し、ポリエチレンワックス系艶消し材を得た。
【００２６】
上記実施例１〜４および比較例１〜４のポリエチレンワックス系艶消し材の不揮発分、グラインドゲージでの粗粒子、目視での流動性、２０℃でのＢ型粘度計（株式会社トキメック製ＢＬ型）により粘度を測定した結果を表１に示す。
【００２７】
【表１】
実施例５
酢酸ビニル含有量２０重量％のエチレン酢酸ビニル共重合樹脂２０重量部とトルエン８０重量部を８０℃まで加熱し、エチレン酢酸ビニル共重合樹脂を完全溶解させる。室温まで冷却した後、市販ポリエチレンワックス系艶消し材のリオフラットＷ−２５６３Ｔ（東洋インキ製造株式会社製）１００重量部に対し、０重量部、１重量部、２重量部、５重量部、１０重量部、２０重量部、３０重量部および４０重量部をそれぞれ加え、ハイスピードミキサーにて均一に撹拌し、ポリエチレンワックス系艶消し材を得た。
【００２９】
上記ポリエチレンワックス系艶消し材の不揮発分、グラインドゲージでの粗粒子、Ｂ型粘度計での粘度、目視での流動性を測定した。また不揮発分２３％の硝化綿クリヤーラッカー１００重量部に各ポリエチレン系艶消し材を１０重量部配合した塗料をガラス板に塗布したときの６０度鏡面光沢を測定した。その結果を表２に示す。
【００３０】
【表２】
リオフラットＷ−２５６３：東洋インキ製造株式会社製ポリエチレンワックス艶消し材（不揮発分２０％ 溶剤：トルエン／酢酸エチル）
粗粒子：１００μグラインドゲージでＪＩＳ５４００ ４．７により測定
粘度 ：Ｂ型粘度計での６ｒｐｍでの粘度
６０度鏡面光沢：不揮発分２３％のＮＣクリヤーラッカー１００重量部に各ポリエチレン分散体を１０重量部配合した塗料を６ミルアプリケーターでガラスに塗布し、８０℃１０分乾燥し、試験板とした。 日本電色製光沢計 ＶＧ−１ＤＰにて測定。
目視での流動性の判定基準：
○：低粘度で良好な流動性
△：構造粘性強い（攪拌時、攪拌直後のみ流動する）
×：流動性がほとんどない
【００３２】
【発明の効果】
以上の如く本発明により、ポリエチレンワックス系艶消し材の粘性が著しく改善し、不揮発分の向上が達成できた。[0001]
[Industrial application fields]
The present invention relates to a matting material composition, and more particularly to a polyethylene wax matting material composition having excellent viscosity used for imparting matting to a paint.
[0002]
[Prior art]
It is widely known that fine polyethylene wax is added to paints and printing inks to improve the surface suitability such as matting, slipping, blocking and scratching of coated products and printed materials, and to improve pigment sedimentation in paints and printing inks. It has been. In addition, as a method for imparting matting of paint, addition of fine polyethylene wax, addition of inorganic fillers such as silica, etc. is performed. These can be used alone or in combination depending on the use of paint, matte feeling, etc. used. Furthermore, when polyethylene wax is used as a matting material for paint, a matte paste in which polyethylene wax is dispersed in an organic solvent is generally used as a method of adding polyethylene wax to the paint more easily. Yes.
[0003]
As a method for obtaining this polyethylene wax-based matting material, a method of dispersing finely divided polyethylene wax powder in an organic solvent with a stirrer, a method of charging and dispersing an organic solvent and coarse powdered polyethylene wax in a wet mill, polyethylene There is a cooling method in which wax is dissolved in a heated organic solvent and stirred, and the wax content in the composition is 5 to 20% by weight.
[0004]
In addition, in order to impart matte to the paint, the polyethylene wax-based matte material to be added varies depending on the required gloss, but is in a wide range of several to 50% by weight.
[0005]
When matte paints are made using these polyethylene wax matte materials, the organic solvent will be 4 to 20 times the amount of polyethylene wax, which is the active ingredient. It is a major constraint on the design and manufacturing process.
[0006]
In addition, these polyethylene wax matte materials have a large structural viscosity, so in addition to poor handling properties, if the amount of polyethylene wax matte additive is large, the viscosity of the added paint greatly changes. was there.
[0007]
[Problems to be solved by the invention]
An object of the present invention is to provide a polyethylene wax matte material having improved viscosity when a polyethylene wax matte material is used in a paint.
[0008]
[Means for Solving the Problems]
The present invention comprises an organic solvent, a polyethylene wax dispersed in the organic solvent, and an ethylene vinyl acetate copolymer resin dissolved in the organic solvent. The ethylene vinyl acetate copolymer resin is contained in 100 parts by weight of the polyethylene wax. The present invention relates to a polyethylene wax matte material characterized by being 0.5 to 30 parts by weight.
[0009]
Furthermore, this invention relates to the said mat | matte material composition whose vinyl acetate content of ethylene vinyl acetate copolymer resin is 10 to 50 weight%.
[0010]
DETAILED DESCRIPTION OF THE INVENTION
The mat material of the present invention will be described in detail. The matting material of the present invention comprises a liquid dispersion mainly composed of polyethylene wax, ethylene vinyl acetate copolymer resin and an organic solvent.
[0011]
The polyethylene wax used in the matting material of the present invention is a general term for low molecular weight polyethylene, and preferably has a weight average molecular weight of 1,000 to 10,000, a density of 0.90 to 0.99 g / m 3 , and a softening point of 100 to 140 ° C. One or more of these can be used. The dispersion average particle diameter of the polyethylene wax particles is preferably 3 to 20 μm.
[0012]
The ethylene vinyl acetate copolymer resin used in the matting material of the present invention is not particularly limited, but the viscosity improvement is that the vinyl acetate content is 10 to 50% by weight, preferably 20 to 35% by weight. It is preferable from the aspect of the effect. The amount of the ethylene vinyl acetate copolymer resin used is 0.5 to 30 parts by weight, preferably 1 to 10 parts by weight with respect to 100 parts by weight of the polyethylene wax. If it is smaller than the above numerical value, the effect of improving the viscosity of the matte material is inferior. If it is larger than the above numerical value, although there is an effect of improving the viscosity, the amount of polyethylene wax to be blended for the purpose of improving the suitability of the paint and printing ink decreases.
[0013]
The organic solvent used in the matting material of the present invention is not limited as long as it is an organic solvent that dissolves the ethylene-vinyl acetate copolymer resin, and one or two or more types may be used depending on the method and application of the matting material. To be elected. As a criterion for selection, for example, when the production method includes a step of heating and dissolving polyethylene wax in an organic solvent, a hydrocarbon-based organic solvent having a boiling point equal to or higher than the dissolution temperature is used as all or part of the solvent. In addition, when the matting material is used for lacquer paints that are naturally dried at room temperature, a low-boiling solvent having a high evaporation rate is used, and for PCM paints that are baked at a high temperature, the high-boiling solvent is used as all or part of the solvent. To do.
[0014]
Examples of organic solvents include hydrocarbons such as hexane, heptane, toluene, xylene, cyclohexane, methylcyclohexane, ethylcyclohexane, and industrial gasoline, esters such as methyl acetate, ethyl acetate, butyl acetate, and isobutyl acetate, isopropyl ether, and the like. Ethers, alcohols such as methyl alcohol, ethyl alcohol, isopropyl alcohol, n-butyl alcohol, and isobutyl alcohol, and ketones such as acetone, methyl ethyl ketone, and methyl isobutyl ketone cyclohexanone. Can be used.
[0015]
A resin component, a pigment component, etc. can further be mix | blended with the mat | matte material of this invention as needed. For example, acrylic resin, vinyl resin, polyester resin, alkyd resin, urethane resin, epoxy resin, silicon resin, fluorine resin, ketone resin, xylene resin, rosin-modified maleic acid resin, petroleum resin, fiber derivative, etc. as resin components Or powder, pigment components such as silica, calcium carbonate, aluminum hydroxide, mica, metal soap, iron oxide, titanium dioxide, metal powder, carbon black, azo pigment, phthalocyanine pigment, condensed polycyclic pigment, dye lake pigment, etc. One type or two or more types of dyes can be used.
[0016]
As a method for producing the matte material of the present invention, for example, in the case of powdered polyethylene wax, there is a method of dispersing in an organic solvent with a high-speed stirrer or charging and dispersing the organic solvent and powdered polyethylene wax in a wet mill. . Also, in the case of pellet-like polyethylene wax, after dry milling, a method of charging and dispersing an organic solvent and pulverized polyethylene wax in a wet mill as described above, or dissolving pelletized polyethylene wax in a heated organic solvent and stirring There is a method of cooling while heating, a method of adding polyethylene wax dissolved in a heated organic solvent into a solvent below the precipitation temperature, and the like, depending on the form of the polyethylene wax dispersion used and the target particle size of the matte material, etc. It is determined. In addition, since ethylene vinyl acetate copolymer resin is usually supplied in the form of pellets, addition to matte material is done by adding ethylene vinyl acetate copolymer resin previously dissolved or dispersed in an organic solvent at the time of dispersion or at the final adjustment. They can be selected according to the manufacturing method such as mixing, and all of them work effectively for improving viscosity. However, when there is a polyethylene wax dissolving step in the process of producing the matte material, the pelletized ethylene vinyl acetate copolymer resin can be added when the polyethylene wax is dissolved.
[0017]
The paint to which the matting material of the present invention is added is not particularly limited as long as it is a general oil-based paint. Phthalate resin paint, nitrified cotton paint, aminoalkyd resin paint, acrylic resin paint, epoxy resin paint, vinyl Organic solvent-based paints such as resin paints, polyester resin paints, urethane resin paints, etc., and refer to paints other than so-called water-based paints that mainly use water as a solvent component or diluent of the paint.
[0018]
【Example】
Example 1
0.5 parts by weight of ethylene vinyl acetate copolymer resin having a vinyl acetate content of 15% by weight and 79.5 parts by weight of xylene are heated to 80 ° C. to completely dissolve the ethylene vinyl acetate copolymer resin. After cooling to room temperature, 20 parts by weight of powdered polyethylene wax having a weight average molecular weight of 2000, a density of 0.96 g / m 3 and a maximum particle size of 60 μm was added and dispersed in a batch type bead mill to obtain a polyethylene wax matte material. .
[0019]
Comparative Example 1
Further, 80 parts by weight of xylene and 20 parts by weight of the same polyethylene wax as in Example 1 were dispersed in a batch type bead mill under the same conditions as in Example 1 to obtain a polyethylene wax-based matting material.
[0020]
Example 2
Further, 0.8 parts by weight of ethylene vinyl acetate copolymer resin having a vinyl acetate content of 20% by weight and 59.2 parts by weight of toluene are heated to 80 ° C. to completely dissolve the ethylene vinyl acetate copolymer resin. After cooling to room temperature, 40 parts by weight of powdered polyethylene wax having a weight average molecular weight of 2000, a density of 0.97 g / m 3 and a maximum particle size of 40 μm was added and dispersed in a batch type bead mill to obtain a polyethylene wax matte material. .
[0021]
Comparative Example 2
Further, 60 parts by weight of toluene and 40 parts by weight of the same polyethylene wax as in Example 2 were dispersed in a batch type bead mill under the same conditions as in Example 2 to obtain a polyethylene wax-based matting material.
[0022]
Example 3
19.5 parts by weight of polyethylene wax having a weight average molecular weight of 4000 and a density of 0.97 g / m 3 , 0.5 parts by weight of ethylene vinyl acetate copolymer resin having a vinyl acetate content of 17% by weight and 80.0 parts by weight of toluene were stirred. The mixture was heated to 105 ° C. for complete dissolution, and cooled to room temperature with stirring to obtain a polyethylene wax matte material.
[0023]
Comparative Example 3
Further, 20 parts by weight of the same polyethylene wax as in Example 3 and 80 parts by weight of toluene were heated to 105 ° C. with stirring and completely dissolved, and then cooled to room temperature with stirring to obtain a polyethylene wax matte material.
[0024]
Example 4
0.4 parts by weight of ethylene vinyl acetate copolymer resin having a vinyl acetate content of 25% by weight and 66.3 parts by weight of xylene are heated to 80 ° C. to completely dissolve the ethylene vinyl acetate copolymer resin. After cooling to room temperature, 20 parts by weight of powdered polyethylene wax having a weight average molecular weight of 2000, a density of 0.92 g / m 3 and a maximum particle size of 80 μm, and 13.3 parts by weight of an alkyd resin solution (solid content 60% by weight xylene solution) were added. And then dispersed with a batch type bead mill to obtain a polyethylene wax matte material.
[0025]
Comparative Example 4
In a batch type bead mill, 66.7 parts by weight of xylene, 20 parts by weight of the same powdered polyethylene wax as in Example 4 and 13.3 parts by weight of an alkyd resin (solid content of 60% by weight of xylene) were subjected to the same conditions as in Example 4. Dispersion gave a polyethylene wax matte material.
[0026]
Nonvolatile content of the polyethylene wax matte materials of Examples 1 to 4 and Comparative Examples 1 to 4, coarse particles with a grind gauge, visual fluidity, B-type viscometer at 20 ° C. (BL manufactured by Tokimec Co., Ltd.) Table 1 shows the results of measuring the viscosity according to the mold.
[0027]
[Table 1]
Example 5
20 parts by weight of ethylene vinyl acetate copolymer resin having a vinyl acetate content of 20% by weight and 80 parts by weight of toluene are heated to 80 ° C. to completely dissolve the ethylene vinyl acetate copolymer resin. After cooling to room temperature, 0 parts by weight, 1 part by weight, 2 parts by weight, 5 parts by weight, 10 parts by weight with respect to 100 parts by weight of Rioflat W-2563T (manufactured by Toyo Ink Manufacturing Co., Ltd.), a commercially available polyethylene wax matte material. Part by weight, 20 parts by weight, 30 parts by weight and 40 parts by weight were added and stirred uniformly with a high speed mixer to obtain a polyethylene wax-based matting material.
[0029]
The polyethylene wax matting material was measured for non-volatile content, coarse particles with a grind gauge, viscosity with a B-type viscometer, and visual fluidity. Further, a 60-degree specular gloss was measured when a paint in which 10 parts by weight of each polyethylene matte material was blended with 100 parts by weight of a nitrified cotton clear lacquer having a nonvolatile content of 23% was applied to a glass plate. The results are shown in Table 2.
[0030]
[Table 2]
Rio Flat W-2563: Polyethylene wax matting material manufactured by Toyo Ink Manufacturing Co., Ltd. (nonvolatile content 20% solvent: toluene / ethyl acetate)
Coarse particles: Measured according to JIS 5400 4.7 with a 100 μ grind gauge Viscosity: 60 degree viscosity at 6 rpm with a B-type viscometer Specular gloss: 10 parts by weight of each polyethylene dispersion in 100 parts by weight of NC clear lacquer having a nonvolatile content of 23% The blended paint was applied to glass with a 6 mil applicator and dried at 80 ° C. for 10 minutes to obtain a test plate. Measured with Nippon Denshoku gloss meter VG-1DP.
Visual criteria for fluidity:
○: Low viscosity and good fluidity Δ: Strong structural viscosity (flows only during stirring and immediately after stirring)
×: almost no fluidity [0032]
【The invention's effect】
As described above, according to the present invention, the viscosity of the polyethylene wax-based matting material is remarkably improved, and an improvement in non-volatile content can be achieved.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001019364A JP3931566B2 (en) | 2001-01-29 | 2001-01-29 | Matte composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001019364A JP3931566B2 (en) | 2001-01-29 | 2001-01-29 | Matte composition |
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| JP2002220562A JP2002220562A (en) | 2002-08-09 |
| JP3931566B2 true JP3931566B2 (en) | 2007-06-20 |
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| CN105062187B (en) * | 2015-09-01 | 2017-07-04 | 邯郸市龙翔化工材料有限公司 | Physics delustring micro mist and preparation method thereof |
| KR101816354B1 (en) * | 2015-10-06 | 2018-01-08 | 씨제이제일제당 (주) | coating composition capable of embodying paper feel for food packing paper |
| MY209481A (en) | 2019-03-28 | 2025-07-11 | Kimoto Kk | Low reflective film and optical sensing kit using the same, and low reflective molded product |
| US11760897B2 (en) | 2019-07-30 | 2023-09-19 | Axalta Coating Systems Ip Co., Llc | Coating compositions including a sag control agent and wax |
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