JPH0633355B2 - Coating composition - Google Patents
Coating compositionInfo
- Publication number
- JPH0633355B2 JPH0633355B2 JP1321951A JP32195189A JPH0633355B2 JP H0633355 B2 JPH0633355 B2 JP H0633355B2 JP 1321951 A JP1321951 A JP 1321951A JP 32195189 A JP32195189 A JP 32195189A JP H0633355 B2 JPH0633355 B2 JP H0633355B2
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- Prior art keywords
- resin
- weight
- coating composition
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- mol
- Prior art date
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Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、塗膜形成用被覆組成物，特にバックスキン
調の塗膜を形成するのに適した一液常温架橋型の被覆組
成物に関する。TECHNICAL FIELD The present invention relates to a coating composition for forming a coating film, particularly a one-component room temperature crosslinking type coating composition suitable for forming a backskin-like coating film. .
従来の艷消しで、かつスウェード状、ベルベット状、バ
ックスキン（鹿の皮革）状などの塗装外観を与える塗装
材料としては、例えば，ゴム弾性を有する種々の樹脂微
粒子もしくは非ゴム弾性樹脂粒子と，バインダー樹脂と
から成る被覆組成物が知られており，既に一部で実用化
されている。As a conventional coating material that gives a paint appearance such as a suede-like, velvet-like, and backskin (deer leather) -like appearance, for example, various resin fine particles having rubber elasticity or non-rubber elastic resin particles, A coating composition composed of a binder resin is known and has already been put to practical use in some areas.
これらの被覆組成物は、ソフトな感触（塗膜を手で触れ
た時の手ざわり感）と優れた耐引っかき傷性（塗膜表面
を爪でこすった時に、爪傷が残り難い性質）を有する塗
膜を与える。These coating compositions have a soft feeling (feeling when the coating film is touched by hand) and excellent scratch resistance (a property in which nail scratches hardly remain when the coating film surface is rubbed with a nail). Give a coating.
このような従来の被覆組成物において、伸び率の小さい
バインダー樹脂を用いた場合にはソフトな感触は得られ
ず、耐引っかき傷性も悪い。In such a conventional coating composition, when a binder resin having a small elongation is used, a soft feel cannot be obtained and scratch resistance is also poor.
また、引張破断強度が小さいバインダー樹脂で上記被覆
組成物を構成した場合では、得られた塗膜は脆く実用的
ではない。Further, when the coating composition is composed of a binder resin having a low tensile breaking strength, the obtained coating film is brittle and not practical.
このため従来の被覆組成物に用いられるバインダー樹脂
の皮膜特性は、一般的に伸び率20％以上で引張破断強度
50kg/cm2以上の軟質樹脂が用いられている。For this reason, the coating properties of binder resins used in conventional coating compositions are generally such that the elongation at 20% or more
A soft resin of 50 kg / cm 2 or more is used.
しかしながら、このような従来の塗膜を形成する前記被
覆組成物にあっては、軟質のバインダー樹脂を用いた場
合、塗装後の塗膜の耐薬品性、耐溶剤性などの塗膜物性
が硬質のバインダー樹脂を用いた塗膜と比べて非常に劣
るという問題があった。However, in the above coating composition for forming such a conventional coating film, when a soft binder resin is used, the coating film physical properties such as chemical resistance and solvent resistance after coating are hard. There is a problem in that it is very inferior to the coating film using the binder resin of.
そのため、高温焼付けによるバインダー樹脂の架橋や、
イソシアネート等による架橋の方法により、耐薬品性、
耐溶剤性、等の塗膜物性を満足する軟質塗膜を得ている
のが現状である。Therefore, cross-linking of binder resin by high temperature baking,
Depending on the method of crosslinking with isocyanate etc., chemical resistance,
The present situation is to obtain a soft coating film that satisfies the coating film physical properties such as solvent resistance.
ところがイソシアネート等により架橋硬化する低温焼付
け塗料では二液型塗料とならざるを得ず、硬化剤混合後
のポットライフの問題、塗料の管理等、取扱上の様々な
欠点を有する。However, a low temperature baking paint that is crosslinked and hardened by isocyanate or the like is inevitably a two-pack type paint, and has various handling drawbacks such as a problem of pot life after mixing a curing agent and management of the paint.
このため、常温硬化一液型塗料でソフトなバックスキン
調の風合いを持ち、耐引っかき傷つき性に優れ、耐薬品
性等に優れた塗膜物性を持つ被覆組成物の開発が強く要
望されている。Therefore, there is a strong demand for the development of a coating composition which is a room temperature curing one-component coating material, has a soft backskin-like texture, is excellent in scratch resistance, and has excellent coating film physical properties such as chemical resistance. .
このような従来の被覆組成物の欠点を解決するため，本
発明では，引張破断強度10〜800kg/cm2、伸び率50〜100
0％を有し、酸価５〜400mgKOH/g、水酸基価５〜400mgKO
H/gのいずれか，或いは酸価と水酸基価の和が５〜400mg
KOH/gである樹脂（以下樹脂Ａという）と， この樹脂Ａの不揮発分100重量部に対し、1.0〜150重量
部の範囲で含まれる固形粒子（以下成分Ｂという）と， 前記樹脂Ａに含まれるカルボキシル基1.0当量、又は水
酸基1.0当量，もしくはカルボキシル基及び水酸基の和
が1.0当量に対し、錯化合物中のアルコキシル基0.1〜1
0.0当量を含む金属錯体（以下成分Ｃという）と， 前記金属錯体1.0molに対し、0.1mol以上を含むケト・エ
ノール型互変異性化合物（以下成分Ｄという）とで被覆
組成物を構成している。In order to solve such drawbacks of the conventional coating composition, the present invention has a tensile breaking strength of 10 to 800 kg / cm 2 and an elongation of 50 to 100.
Has 0%, acid value 5-400mgKOH / g, hydroxyl value 5-400mgKO
Either H / g or the sum of acid value and hydroxyl value is 5-400 mg
KOH / g resin (hereinafter referred to as "resin A"), solid particles contained in the range of 1.0 to 150 parts by weight (hereinafter referred to as "component B") per 100 parts by weight of the nonvolatile content of this resin A, and the above resin A Carboxyl group contained 1.0 equivalent, or hydroxyl group 1.0 equivalent, or the sum of carboxyl group and hydroxyl group is 1.0 equivalent, the alkoxyl group in the complex compound 0.1 to 1
A coating composition is composed of a metal complex containing 0.0 equivalent (hereinafter referred to as component C) and a keto-enol type tautomeric compound (hereinafter referred to as component D) containing 0.1 mol or more per 1.0 mol of the metal complex. There is.
したがって，本発明では前述のように，分子内にカルボ
キシル基，又は水酸基，もしくはカルボキシル基と水酸
基の双方を有し、かつ引張破断強度10〜800kg/cm2、伸
び率50〜1000％を有する樹脂Ａと、樹脂Ａの不揮発分10
0重量部に対して1.0〜150重量部の固形粒子とを含む溶
液に，金属錯体（通常非水溶液として用いる）を、ケト
・エノール型互変異性化合物の存在下に添加混合するこ
とによって、一液型にしてしかも常温で硬化し、優れた
皮膜を形成し得る艷消しのソフトなバックスキン調の風
合いをもつ被覆組成物を得ることができる。Therefore, in the present invention, as described above, a resin having a carboxyl group, or a hydroxyl group, or both a carboxyl group and a hydroxyl group in the molecule and having a tensile breaking strength of 10 to 800 kg / cm 2 and an elongation of 50 to 1000%. A and non-volatile content of resin A 10
By adding and mixing a metal complex (usually used as a non-aqueous solution) to a solution containing 1.0 to 150 parts by weight of solid particles relative to 0 parts by weight in the presence of a keto-enol type tautomeric compound, It is possible to obtain a coating composition which has a soft backskin-like texture and can be made into a liquid form and can be cured at room temperature to form an excellent film.
本発明は，一液型にしてしかも常温硬化し、耐候性、耐
薬品性、耐溶剤性等に優れた皮膜を形成し、且その皮膜
は、艷消しのソフトなバックスキン調の風合いを持ち、
耐引っかき傷性に優れた物性を持つ被覆組成物を提供す
るものである。INDUSTRIAL APPLICABILITY The present invention is a one-component type and is cured at room temperature to form a film excellent in weather resistance, chemical resistance, solvent resistance, and the like, and the film has a soft backskin-like texture that is erased. ,
It is intended to provide a coating composition having physical properties excellent in scratch resistance.
本発明の被覆組成物は、これを被塗装物に塗布すること
により、常温においてこの組成物中の前記成分Ｄ及び溶
剤の揮発に伴い三次元化が起こって硬化し、優れた耐候
性、耐薬品性、耐溶剤性、等を示し、かつ耐引っかき傷
性に優れたソフトなバックスキン調の感触を有する塗膜
を形成することができる。When the coating composition of the present invention is applied to an object to be coated, the component D and the solvent in the composition undergo three-dimensionalization at room temperature to be cured, and the coating composition has excellent weather resistance and resistance. It is possible to form a coating film that exhibits chemical resistance, solvent resistance, and the like, and has a soft backskin-like feel that is excellent in scratch resistance.
本発明による被覆組成物中の樹脂Ａとしては、アクリル
樹脂、ポリエステル樹脂、ポリオレフィン樹脂、ポリウ
レタン樹脂、エポキシ樹脂等であり，官能基にカルボキ
シル基，又は水酸基，もしくはカルボキシル基と水酸基
をもつ樹脂が主に考えられるが、特にポリエステル樹
脂、ポリウレタン樹脂が良好である。The resin A in the coating composition according to the present invention is an acrylic resin, a polyester resin, a polyolefin resin, a polyurethane resin, an epoxy resin or the like, and is mainly a resin having a carboxyl group or a hydroxyl group or a carboxyl group and a hydroxyl group as a functional group. However, polyester resin and polyurethane resin are particularly preferable.
樹脂Ａの引張破断強度は10〜800kg/cm2であるが、好ま
しくは100〜500kg/cm2である。樹脂Ａの引張破断強度が
10kg/cm2以下では、バックスキン調の塗膜を形成した場
合の塗膜強度が小さく実用的でない。The tensile rupture strength of Resin A is 10 to 800 kg / cm 2 , preferably 100 to 500 kg / cm 2 . The tensile breaking strength of Resin A
If it is 10 kg / cm 2 or less, the strength of the coating film when a backskin-like coating film is formed is too small to be practical.
また，引張破断強度が800kg/cm2以上では、塗膜強度は
大きく強靭ではあるが、一般に引張初期弾性が大きく、
バックスキン調の塗膜のソフト感のある風合いが出にく
い。When the tensile breaking strength is 800 kg / cm 2 or more, the coating film strength is large and tough, but generally the initial tensile elasticity is large,
The backskin-like paint film does not have a soft texture.
樹脂Ａの伸び率は、50〜1000％であるが、好ましくは10
0〜500％の範囲である。伸び率が50％以下では、耐引っ
かき傷性に優れたソフト感のあるバックスキン調塗膜は
形成されない。伸び率が1000％以上では、非常にソフト
感のあるバックスキン調塗膜が得られるものの、一般に
塑性変形をおこしやすく、耐引っかき傷性が悪い。The elongation of the resin A is 50 to 1000%, preferably 10
It is in the range of 0 to 500%. When the elongation is 50% or less, a soft backskin-like coating film having excellent scratch resistance cannot be formed. If the elongation is 1000% or more, a very soft backskin-like coating can be obtained, but generally plastic deformation is likely to occur and scratch resistance is poor.
樹脂Ａに含まれるカルボキシル基に由来する樹脂Ａの酸
価は、５〜400mgKOH/gであるのが、好ましくは20〜100m
gKOH/gの範囲である。酸価5mgKOH/g以下では、耐薬品
性、耐溶剤性等の塗膜性能が不十分である。酸価400mgK
OH/g以上では樹脂Ａと前記成分Ｃとの架橋後の塗膜の硬
度が大きくなり、耐引っかき傷性が劣り、ソフト感のあ
るバックスキン調塗膜も得られない。The acid value of the resin A derived from the carboxyl group contained in the resin A is 5 to 400 mgKOH / g, preferably 20 to 100 m
It is in the range of gKOH / g. When the acid value is 5 mgKOH / g or less, the coating film performance such as chemical resistance and solvent resistance is insufficient. Acid value 400mgK
When it is OH / g or more, the hardness of the coating film after crosslinking of the resin A and the component C becomes large, the scratch resistance is poor, and a soft backskin-like coating film cannot be obtained.
また本発明者は、前記成分Ｃは水酸基とも比較的低温で
反応し、樹脂Ａが水酸基価を持つことによって優れた塗
膜物性を発揮することを見いだした。The present inventor has also found that the component C reacts with a hydroxyl group at a relatively low temperature, and the resin A has a hydroxyl value to exhibit excellent coating film physical properties.
樹脂Ａの水酸基価は５〜400mgKOH/gの範囲であるが、好
ましくは20〜100mgKOH/gの範囲である。水酸基価400mgK
OH/g以上では、耐薬品性、耐溶剤性などの塗膜性能が劣
化する。また水酸基価5mgKOH/g以下では、耐薬品性、耐
溶剤性等の塗膜性能が不十分である。The hydroxyl value of Resin A is in the range of 5 to 400 mgKOH / g, preferably 20 to 100 mgKOH / g. Hydroxyl value 400mgK
When it is OH / g or more, the coating film performance such as chemical resistance and solvent resistance is deteriorated. When the hydroxyl value is 5 mgKOH / g or less, the coating film performance such as chemical resistance and solvent resistance is insufficient.
更に，樹脂Ａは酸価と水酸基価の双方をもつものであっ
ても良く，この場合，酸価と水酸基価の和は５〜400mgK
OH/gの範囲であるが，好ましくは20〜100mgKOH/gの範囲
である。Further, the resin A may have both an acid value and a hydroxyl value, in which case the sum of the acid value and the hydroxyl value is 5 to 400 mgK.
It is in the range of OH / g, but is preferably in the range of 20 to 100 mgKOH / g.
酸価と水酸基価との和が400mgKOH/g以上では、耐薬品
性、耐溶剤性などの塗膜性能が劣化する。また酸価と水
酸基価との和が5mgKOH/g以下では、耐薬品性、耐溶剤性
等の塗膜性能が不十分である。When the sum of the acid value and the hydroxyl value is 400 mgKOH / g or more, the coating film performance such as chemical resistance and solvent resistance deteriorates. When the sum of the acid value and the hydroxyl value is 5 mgKOH / g or less, the coating film performance such as chemical resistance and solvent resistance is insufficient.
次に本発明による被覆組成物中の前記成分Ｂは、ゴム弾
性を有する固形粒子もしくは、非ゴム弾性固形粒子であ
るが、ポリウレタン樹脂、ポリエステル樹脂、ポリエチ
レン樹脂、ポリアミド樹脂、アクリル樹脂、ポリシロキ
サン樹脂およびその他の変性ポリマー，更にはシリカな
どの艷消し材や着色顔料からなる固形粒子であり、特に
ポリウレタン樹脂、ポリエステル樹脂、ポリアミド樹脂
等の固形粒子が好ましい。Next, the component B in the coating composition according to the present invention is a solid particle having rubber elasticity or a non-rubber elastic solid particle, and is a polyurethane resin, polyester resin, polyethylene resin, polyamide resin, acrylic resin, polysiloxane resin. And other modified polymers, and further solid particles composed of a cross-linking material such as silica and a coloring pigment, and particularly solid particles of polyurethane resin, polyester resin, polyamide resin and the like are preferable.
更にここで用いる前記成分Ｂの平均粒子径は0.1〜80μ
ｍで、かつその形状は球状であることが好ましい。Further, the average particle size of the component B used here is 0.1 to 80 μm.
It is preferable that m is m and the shape is spherical.
本発明による被覆組成物において、前記樹脂Ａと前記成
分Ｂの混合比も優れた触感を有するバックスキン調の塗
膜を得るのに重要であり、その比率は樹脂Ａの不揮発分
100重量部に対し、1.0〜150重量部であるが、好ましく
は前記樹脂Ａの不揮発分100重量部に対し10〜120重量部
の範囲である。In the coating composition according to the present invention, the mixing ratio of the resin A and the component B is also important for obtaining a backskin-like coating film having an excellent tactile sensation, and the ratio is the nonvolatile content of the resin A.
The amount is 1.0 to 150 parts by weight with respect to 100 parts by weight, but is preferably 10 to 120 parts by weight with respect to 100 parts by weight of the nonvolatile content of the resin A.
樹脂Ａの不揮発分100重量部に対し前記成分Ｂが1.0重量
部以下では、優れた触感を有するバックスキン調の塗膜
は得られない。When the amount of the component B is 1.0 part by weight or less relative to 100 parts by weight of the nonvolatile content of the resin A, a back skin-like coating film having excellent tactile sensation cannot be obtained.
また，樹脂Ａの不揮発分100重量部に対し前記成分Ｂが1
50重量部以上では、塗膜にクラックがはいる等の外観不
良が生じたり、耐引っかき傷性が劣化する。In addition, the component B is added to 100 parts by weight of the nonvolatile content of the resin A.
If it is 50 parts by weight or more, the coating film may have a poor appearance such as cracks, or the scratch resistance may deteriorate.
本発明による被覆組成物中の前記成分Ｃとしては金属錯
体が用いられるが、炭素数１〜８個の脂肪族１価アルコ
ールのアルミニウムアルコラート，或いはジルコニウム
アルコラート，チタニウムアルコラートなどのいずれか
にアセト酢酸エステル、マロン酸ジエステル、アセチル
アセトン、ジアセチル酢酸エステル等のケト・エノール
型互変異性化合物叉は、１・３−プロパンジオール、２
・２−ジメチルプロパンジオール、１・３−トリメチロ
ールプロパン、１・３−ブタンジオール、２・４−ペン
タンジオール等の１・３−プロパンジオール誘導体叉
は、サリチル酸エステル、サリチル酸アルデヒド等のサ
リチロイド誘導体を反応させて得られる金属錯体であ
る。A metal complex is used as the component C in the coating composition according to the present invention, and an acetoacetic acid ester is used as an aluminum alcoholate of an aliphatic monohydric alcohol having 1 to 8 carbon atoms, zirconium alcoholate, titanium alcoholate, or the like. , Malonic acid diesters, acetylacetone, diacetylacetic acid esters, and other keto-enol tautomeric compounds or 1,3-propanediol, 2
・ 2-dimethylpropanediol, 1.3-trimethylolpropane, 1.3-butanediol, 2.4-pentanediol and other 1,3-propanediol derivatives or salicyloid derivatives such as salicylate ester and salicylate aldehyde It is a metal complex obtained by reaction.
前記成分Ｃの添加量としては、樹脂Ａに含まれるカルボ
キシル基，又は水酸基，もしくはカルボキシル基及び水
酸基1.0当量に対し、金属錯体中のアルコキシル基0.1〜
10.0当量であるが、好ましくは樹脂Ａに含まれるカルボ
キシル基，又は水酸基，もしくはカルボキシル基及び水
酸基1.0当量に対して0.5〜2.0当量である。The addition amount of the component C is 0.1 to 10 equivalents of the alkoxy group in the metal complex with respect to the carboxyl group or the hydroxyl group contained in the resin A, or 1.0 equivalent of the carboxyl group and the hydroxyl group.
Although it is 10.0 equivalents, it is preferably 0.5 to 2.0 equivalents relative to 1.0 equivalent of the carboxyl group or hydroxyl group, or carboxyl group and hydroxyl group contained in the resin A.
樹脂Ａに添加される金属錯体中のアルコキシル基が樹脂
Ａに含まれるカルボキシル基，又は水酸基，もしくはカ
ルボキシル基及び水酸基1.0当量に対して0.1当量以下で
は架橋が不十分であり、耐薬品性、耐溶剤性、等の優れ
た塗膜は得られない。If the alkoxyl group in the metal complex added to the resin A is 0.1 equivalent or less with respect to the carboxyl group or the hydroxyl group contained in the resin A, or 1.0 equivalent of the carboxyl group and the hydroxyl group, the cross-linking is insufficient and the chemical resistance and resistance A coating film excellent in solvent properties and the like cannot be obtained.
また，前記樹脂Ａに添加される金属錯体中のアルコキシ
ル基が樹脂Ａに含まれるカルボキシル基，又は水酸基，
もしくはカルボキシル基及び水酸基1.0当量に対して10.
0当量以上では塗膜に含まれる金属錯体が不純物として
作用し、耐薬品性、耐溶剤性、等の低下や塗膜の経時的
劣化（塗膜表面の白化、塗膜の光沢変化、塗膜の変色な
ど）が見られるために好ましくない。Further, the alkoxyl group in the metal complex added to the resin A is a carboxyl group or a hydroxyl group contained in the resin A,
Or 10 to the carboxyl group and hydroxyl group 1.0 equivalent.
When the amount is 0 equivalent or more, the metal complex contained in the coating film acts as an impurity, resulting in deterioration of chemical resistance, solvent resistance, etc. and deterioration of the coating film over time (whitening of the coating film surface, change in gloss of the coating film, coating film Discoloration) is observed, which is not preferable.
本発明による被覆組成物中の前記成分Ｄとしては、アセ
チルアセトン、ベンゾイルアセトン、ジベンゾイルメタ
ン、等のアセチルアセトン型のジケトン系化合物が、本
発明の被覆組成物の安定化に特に優れた効果を発揮する
が、さらには、アセト酢酸エステル、マロン酸ジエステ
ル等のケト・エノール型互変異性化合物も例示される。As the component D in the coating composition according to the present invention, acetylacetone-type diketone compounds such as acetylacetone, benzoylacetone and dibenzoylmethane exert a particularly excellent effect on the stabilization of the coating composition of the present invention. However, keto / enol type tautomeric compounds such as acetoacetic acid ester and malonic acid diester are also exemplified.
前記成分Ｄの添加量としては、成分Ｃ1.0molに対し、0.
1mol以上であるが、好ましくは前記成分Ｃ1.0molに対し
1.0mol以上である。The addition amount of the component D is 0.
It is 1 mol or more, but preferably to 1.0 mol of the above component C
It is 1.0 mol or more.
本発明による被覆組成物中に添加される前記成分Ｄが、
前記成分Ｃ1.0molに対し0.1mol以下では、貯蔵安定性を
欠き、貯蔵中にゲル化やその他の変質を起こすため好ま
しくない。The component D added in the coating composition according to the invention is
When the amount is 0.1 mol or less relative to 1.0 mol of the component C, storage stability is lacking, and gelation or other deterioration occurs during storage, which is not preferable.
また，本発明による被覆組成物中に添加される前記成分
Ｄの上限は、これらの物質が常温揮発性であること等か
ら，貯蔵期間においてそれらの物質が当然に揮発するこ
となどを考慮して設計されるべきで、特に前記成分Ｃ1.
0molに対し30.0mol以上の成分Ｄを添加しても大きな効
果は期待できない。In addition, the upper limit of the component D added to the coating composition according to the present invention is such that these substances are volatile at room temperature, so that it is natural that these substances volatilize during storage. Should be designed, in particular the abovementioned components C1.
Even if 30.0 mol or more of the component D is added to 0 mol, no great effect can be expected.
なお，炭素数１〜４程度の脂肪族アルコールを併用した
場合には、さらに本発明の被覆組成物を安定化させるこ
とができる。When the aliphatic alcohol having about 1 to 4 carbon atoms is used together, the coating composition of the present invention can be further stabilized.
以下この発明を実施例を用いて説明するが、これによっ
て本発明を限定するものではない。The present invention will be described below with reference to examples, but the present invention is not limited thereto.
実施例１ 引張破断強度150kg/cm2、伸び率350％、酸価40mgKOH/
g、水酸基価10mgKOH/gであるポリウレタン樹脂30重量部
とウレタン系樹脂微粒子35重量部をメチルイソブチルケ
トン：イソプロピルアルコール：アセチルアセトン＝10
0：100：15から成る混合溶剤34重量部と共に分散を行
い、分散終了後アルミニウムビスエチルアセトアセテー
トモノアセチルアセトアセトネート1.0重量部を加え、
充分に撹拌を行って塗料100重量部を得た。Example 1 Tensile breaking strength 150 kg / cm 2 , elongation 350%, acid value 40 mgKOH /
30 parts by weight of polyurethane resin having a hydroxyl value of 10 mgKOH / g and 35 parts by weight of urethane resin fine particles are added to methyl isobutyl ketone: isopropyl alcohol: acetylacetone = 10.
Disperse with 34 parts by weight of a mixed solvent consisting of 0: 100: 15, add 1.0 parts by weight of aluminum bisethylacetoacetate monoacetylacetoacetonate after the dispersion is completed,
Thorough stirring was performed to obtain 100 parts by weight of the paint.
この塗料をスプレー塗装し、60℃20分の強制乾燥しその
後48時間常温乾燥を行ったところ、耐擦傷性、耐薬品性
等に優れたバックスキン調のソフトな指触感を有する塗
膜が得られた。This paint was spray-painted, forcedly dried at 60 ° C for 20 minutes, and then dried at room temperature for 48 hours, resulting in a backskin-like soft finger-touch coating with excellent scratch resistance and chemical resistance. Was given.
実施例２ 引張破断強度400kg/cm2、伸び率80％、酸価35mgKOH/g、
水酸基価10mgKOH/gであるアクリル変性ポリウレタン樹
脂30重量部とウレタン系樹脂微粒子35重量部をメチルイ
ソブチルケトン：イソプロピルアルコール：アセチルア
セトン＝100：100：15から成る混合溶剤34重量部と共に
分散を行い、分散終了後にアルミニウムビスエチルアセ
トアセテートモノアセチルアセトアセトネート1.0重量
部加え、充分に撹拌を行って塗料100重量部を得た。Example 2 Tensile breaking strength 400 kg / cm 2 , elongation 80%, acid value 35 mg KOH / g,
Disperse 30 parts by weight of acrylic modified polyurethane resin having a hydroxyl value of 10 mgKOH / g and 35 parts by weight of urethane resin fine particles together with 34 parts by weight of a mixed solvent consisting of methyl isobutyl ketone: isopropyl alcohol: acetylacetone = 100: 100: 15. After the completion, 1.0 part by weight of aluminum bisethylacetoacetate monoacetylacetoacetonate was added and sufficiently stirred to obtain 100 parts by weight of the paint.
この塗料をスプレー塗装し、60℃20分の強制乾燥しその
後48時間常温乾燥を行ったところ、耐擦傷性、耐薬品性
等に優れたバックスキン調のソフトな指触感を有する塗
膜が得られた。This paint was spray-painted, forcedly dried at 60 ° C for 20 minutes, and then dried at room temperature for 48 hours, resulting in a backskin-like soft finger-touch coating with excellent scratch resistance and chemical resistance. Was given.
以上説明したようにこの発明においては、引張破断強度
10〜800kg/cm2、伸び率50〜1000％を有すると共に、酸
価５〜400mgKOH/g、水酸基価５〜400mgKOH/gの何れか，
又は酸価と水酸基価との和が５〜400mgKOH/gを有するよ
うな樹脂と固形粒子を、金属錯体1.0molに対してケト・
エノール型互変異性化合物を0.1mol以上含む溶剤と共に
分散し、分散終了後樹脂に含まれるカルボキシル基1.0
当量，又は水酸基価1.0当量，もしくはカルボキシル基
及び水酸基の和が1.0当量に対し金属錯体中のアルコキ
シル基0.1〜10.0当量に相当する金属錯体を加えるとい
う構成にしたため、貯蔵安定に優れた常温反応硬化型一
液バックスキン調塗料を得ることが出来た。As described above, in the present invention, the tensile breaking strength is
It has an acid value of 5 to 400 mgKOH / g and a hydroxyl value of 5 to 400 mgKOH / g, with 10 to 800 kg / cm 2 and an elongation of 50 to 1000%.
Alternatively, a resin and solid particles having a sum of an acid value and a hydroxyl value of 5 to 400 mgKOH / g, and keto
Disperse the enol-type tautomeric compound together with a solvent containing 0.1 mol or more of the carboxyl group contained in the resin after the dispersion is completed.
Equivalent or 1.0 equivalent of hydroxyl value or 1.0 equivalent of the sum of carboxyl group and hydroxyl group is added to the metal complex corresponding to 0.1 to 10.0 equivalents of alkoxyl group in the metal complex. A mold one-component backskin paint was obtained.
この発明によって従来高温焼付けか、もしくは二液型塗
料でしか得られなかった耐擦傷性、耐薬品性に優れたソ
フトや指触感を有する塗料が、低温乾燥が可能な一液型
において実現した。According to the present invention, a paint having softness and touch feeling which is excellent in scratch resistance and chemical resistance, which has hitherto been obtained only by high temperature baking or a two-pack type paint, has been realized in a one-pack type which can be dried at low temperature.
Claims (5)
000％、酸価５〜400mgKOH/gである樹脂と， 該樹脂の不揮発分100重量部に対し、1.0〜150重量部の
範囲で含まれる固形粒子と， 前記樹脂に含まれるカルボキシル基1.0当量に対し、錯
化合物中のアルコキシル基0.1〜10.0当量を含む金属錯
体と， 前記金属錯体1.0molに対し、0.1mol以上を含むケト・エ
ノール型互変異性化合物と， からなることを特徴とする被覆組成物。1. Tensile breaking strength 10 to 800 kg / cm 2 , elongation rate 50 to 1
000%, a resin having an acid value of 5 to 400 mgKOH / g, solid particles contained in the range of 1.0 to 150 parts by weight with respect to 100 parts by weight of the nonvolatile content of the resin, and 1.0 equivalent of carboxyl groups contained in the resin. On the other hand, a coating composition comprising a metal complex containing 0.1 to 10.0 equivalents of an alkoxyl group in a complex compound and a keto-enol type tautomeric compound containing 0.1 mol or more per 1.0 mol of the metal complex. object.
000％、水酸基価５〜400mgKOH/gである樹脂と， 該樹脂の不揮発分100重量部に対し、1.0〜150重量部の
範囲で含まれる固形粒子と， 前記樹脂に含まれる水酸基1.0当量に対し、錯化合物中
のアルコキシル基0.1〜10.0当量を含む金属錯体と， 前記金属錯体1.0molに対し、0.1mol以上を含むケト・エ
ノール型互変異性化合物と， からなることを特徴とする被覆組成物。2. Tensile breaking strength 10 to 800 kg / cm 2 , elongation 50 to 1
000%, a hydroxyl value of 5 to 400 mg KOH / g, solid particles contained in the range of 1.0 to 150 parts by weight with respect to 100 parts by weight of the nonvolatile content of the resin, and 1.0 equivalent of hydroxyl groups contained in the resin. A coating composition comprising a metal complex containing 0.1 to 10.0 equivalents of an alkoxyl group in a complex compound, and a keto-enol type tautomeric compound containing 0.1 mol or more per 1.0 mol of the metal complex. .
000％、酸価と水酸基価の和が５〜400mgKOH/gである樹
脂と， 該樹脂の不揮発分100重量部に対し、1.0〜150重量部の
範囲で含まれる固形粒子と， 前記樹脂に含まれるカルボキシル基及び水酸基の和が1.
0当量に対し、錯化合物中のアルコキシル基0.1〜10.0当
量を含む金属錯体と， 前記金属錯体1.0molに対し、0.1mol以上を含むケト・エ
ノール型互変異性化合物と， からなることを特徴とする被覆組成物。3. Tensile breaking strength 10 to 800 kg / cm 2 , elongation 50 to 1
000%, a resin having a sum of acid value and hydroxyl value of 5 to 400 mgKOH / g, solid particles contained in the range of 1.0 to 150 parts by weight with respect to 100 parts by weight of the nonvolatile content of the resin, and contained in the resin The sum of the carboxyl group and hydroxyl group is 1.
A metal complex containing 0.1 to 10.0 equivalents of an alkoxyl group in a complex compound with respect to 0 equivalent, and a keto-enol type tautomeric compound containing 0.1 mol or more with respect to 1.0 mol of the metal complex, Coating composition.
をもつ球状樹脂粒子からなることを特徴とする請求項
(1)，或いは請求項(2)，又は請求項(3)に記載の被覆組
成物。4. The solid particles are spherical resin particles having an average particle size of 0.1 to 80 μm.
(1) or the coating composition according to claim (2) or (3).
ト錯化合物，ジルコニウムアルコラート錯化合物，チタ
ニウムアルコラート錯化合物のいずれか，或いはこれら
の組合せからなることを特徴とする請求項(1)，或いは
請求項(2)，又は請求項(3)に記載の被覆組成物。5. The method according to claim 1, wherein the metal complex comprises any one of an aluminum alcoholate complex compound, a zirconium alcoholate complex compound, a titanium alcoholate complex compound, or a combination thereof. ), Or the coating composition according to claim 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1321951A JPH0633355B2 (en) | 1989-12-12 | 1989-12-12 | Coating composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1321951A JPH0633355B2 (en) | 1989-12-12 | 1989-12-12 | Coating composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03182568A JPH03182568A (en) | 1991-08-08 |
| JPH0633355B2 true JPH0633355B2 (en) | 1994-05-02 |
Family
ID=18138252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1321951A Expired - Fee Related JPH0633355B2 (en) | 1989-12-12 | 1989-12-12 | Coating composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0633355B2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01271463A (en) * | 1988-04-22 | 1989-10-30 | Fujikura Kasei Co Ltd | Coating composition for forming velvety coating film |
| JPH0730290B2 (en) * | 1989-06-07 | 1995-04-05 | 三洋化成工業株式会社 | Curable resin composition |
-
1989
- 1989-12-12 JP JP1321951A patent/JPH0633355B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03182568A (en) | 1991-08-08 |
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