JPH04246484A - Coating material for metal - Google Patents
Coating material for metalInfo
- Publication number
- JPH04246484A JPH04246484A JP9831991A JP9831991A JPH04246484A JP H04246484 A JPH04246484 A JP H04246484A JP 9831991 A JP9831991 A JP 9831991A JP 9831991 A JP9831991 A JP 9831991A JP H04246484 A JPH04246484 A JP H04246484A
- Authority
- JP
- Japan
- Prior art keywords
- silicone
- silane coupling
- coupling agent
- copolymer
- resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000011248 coating agent Substances 0.000 title claims description 15
- 239000000463 material Substances 0.000 title abstract description 6
- 229910052751 metal Inorganic materials 0.000 title abstract description 5
- 239000002184 metal Substances 0.000 title abstract description 5
- 238000000576 coating method Methods 0.000 title description 7
- 239000006087 Silane Coupling Agent Substances 0.000 claims abstract description 12
- 229920002050 silicone resin Polymers 0.000 claims abstract description 9
- 229910001234 light alloy Inorganic materials 0.000 claims abstract description 7
- 229920001225 polyester resin Polymers 0.000 claims abstract description 7
- 239000004645 polyester resin Substances 0.000 claims abstract description 7
- 229920001577 copolymer Polymers 0.000 claims abstract description 6
- -1 alkyl titanate Chemical compound 0.000 abstract description 5
- 239000000126 substance Substances 0.000 abstract description 4
- 239000003054 catalyst Substances 0.000 abstract description 3
- 150000002739 metals Chemical class 0.000 abstract description 3
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 abstract description 3
- 239000000178 monomer Substances 0.000 abstract description 2
- 238000013329 compounding Methods 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 229920001296 polysiloxane Polymers 0.000 description 11
- 229920002545 silicone oil Polymers 0.000 description 9
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 8
- 239000012046 mixed solvent Substances 0.000 description 7
- 229920000728 polyester Polymers 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000010408 film Substances 0.000 description 5
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 4
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000002966 varnish Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000004205 dimethyl polysiloxane Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000011368 organic material Substances 0.000 description 3
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- GQIUQDDJKHLHTB-UHFFFAOYSA-N trichloro(ethenyl)silane Chemical compound Cl[Si](Cl)(Cl)C=C GQIUQDDJKHLHTB-UHFFFAOYSA-N 0.000 description 3
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 3
- 239000005050 vinyl trichlorosilane Substances 0.000 description 3
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000011147 inorganic material Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- CBOIHMRHGLHBPB-UHFFFAOYSA-N hydroxymethyl Chemical compound O[CH2] CBOIHMRHGLHBPB-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000004447 silicone coating Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Landscapes
- Polyesters Or Polycarbonates (AREA)
- Paints Or Removers (AREA)
- Silicon Polymers (AREA)
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は金属用コーティング剤に
関するもので、特にシリコーン樹脂とポリエステル樹脂
からなる共重合体であり、シランカップリング剤を含有
することを特徴とする軽合金用コーティング剤に関する
ものである。[Field of Industrial Application] The present invention relates to a coating agent for metals, and more particularly to a coating agent for light alloys which is a copolymer consisting of a silicone resin and a polyester resin and contains a silane coupling agent. It is something.
【０００２】0002
【従来の技術】従来ステンレス鋼を含め、軽合金用コー
ティング剤として一般に市販されているシリコーンアク
リル変性樹脂、シリコーンエポキシ変性樹脂等シリコー
ン系コーティング剤は樹脂中の水酸基（ＣＨ２ＯＨ）と
シリコーン樹脂のシラノール（Ｓｉ−ＯＨ）とを反応さ
せたものでイオン結合性を有しており、加水分解を受け
やすい構造であり、このため従来はアルミニウム、ステ
ンレス鋼、亜鉛、マグネシア合金等それぞれの素材によ
ってその都度コーティング剤を選択することが必要であ
った。[Prior Art] Silicone coating agents such as silicone acrylic modified resins and silicone epoxy modified resins, which are commonly commercially available as coating agents for light alloys including stainless steel, combine the hydroxyl groups (CH2OH) in the resin with the silanol (silanol) of the silicone resin. It has an ionic bond and has a structure that is susceptible to hydrolysis.For this reason, conventionally it has been coated with each material such as aluminum, stainless steel, zinc, and magnesia alloy. It was necessary to select an agent.
【０００３】0003
【発明が解決しようとする課題】このため本発明は素材
に無関係に全ての軽合金金属に共通に適用できるシリコ
ーン系の優れたコーティング剤を提供するためのもので
ある。SUMMARY OF THE INVENTION Therefore, it is an object of the present invention to provide an excellent silicone-based coating agent that can be commonly applied to all light alloy metals, regardless of the material.
【０００４】0004
【課題を解決するための手段】すなわち本発明はシリコ
ーン樹脂とポリエステル樹脂からなる共重合体であり、
シランカップリング剤を含有することを特徴とする軽合
金用コーティング剤に関するものであって、シリコーン
樹脂とポリエステル樹脂とを適当な触媒下で加熱して反
応させ（ホットブレンド法）反応には水酸基またはメト
キシ基を含有するシリコーン中間体と、水酸基またはア
ルコキシ基を含有するポリエステルを使用するものであ
る。[Means for Solving the Problems] That is, the present invention is a copolymer consisting of a silicone resin and a polyester resin,
This relates to a coating agent for light alloys characterized by containing a silane coupling agent, in which a silicone resin and a polyester resin are heated and reacted under an appropriate catalyst (hot blending method). A silicone intermediate containing a methoxy group and a polyester containing a hydroxyl group or an alkoxy group are used.
【０００５】本発明で適用するホットブレンド法では、
両者の混合物をアルキルチタネートまたはパラトルエン
スルホン酸の触媒下で１４０〜１６０℃に加熱し、脱水
または脱アルコール化することによって複合化する。[0005] In the hot blending method applied in the present invention,
A mixture of the two is heated to 140 to 160° C. under the catalyst of alkyl titanate or para-toluenesulfonic acid, and dehydrated or dealcoholized to form a composite.
【０００６】この種の複合樹脂は従来のロールブレンド
形に比べてシリコーン含有量が多く、塗膜が強靭で硬度
、曲げ加工性、被塗物への密着性、耐薬品性、硬化性が
良好となるばかりでなく、ポリエステル成分のビニール
基とシリコーン成分のビニール基との重合反応で骨格を
形成している為、あらゆる性能において従来品よりも優
れている。[0006] This type of composite resin has a higher silicone content than the conventional roll blend type, and the coating film is strong and has good hardness, bending workability, adhesion to the coated object, chemical resistance, and curing properties. Not only that, but because the skeleton is formed by a polymerization reaction between the vinyl group of the polyester component and the vinyl group of the silicone component, it is superior to conventional products in every performance.
【０００７】本発明はこのようにポリエステルとシリコ
ーン化合物をベースとし、またスチレン系を用いないこ
とにより、シリコーン樹脂の含有量を多くする事により
耐候性の向上を計ると共に、特にポリエステル樹脂の部
分に従来のコーティング剤には使用されていない成分と
してシランカップリング剤を使用し、特殊シリコーン樹
脂を用いて変性重合するものである。[0007] As described above, the present invention is based on polyester and a silicone compound, and by not using styrene, it aims to improve weather resistance by increasing the content of silicone resin, and also improves weather resistance, especially in the polyester resin part. It uses a silane coupling agent as a component not used in conventional coating agents, and undergoes modification polymerization using a special silicone resin.
【０００８】本発明に使用されるシランカップリング剤
は、分子中に２個以上の異なった反応基を持つ有機ケイ
素単量体で、２個の反応基の１つは無機質（ガラス、金
属、ケイ砂など）と化学結合する反応基（メトキシ基、
エトキシ基、セロソルブ基など）であり、もう１つの反
応基は有機材料（各種合成樹脂）と化学結合する反応基
（ビニル基、エポキシ基、メタクリル基、アミン基、メ
ルカプト基）などであり、この様に、無機質、有機質の
双方に化学結合する性質を持つ、シランカップリング剤
は、無機質材料、有機質材料への添加剤として用いられ
複合材料の機械的強度接着性の向上、電気特性の安定化
、樹脂改質表面改質等の向上に、広く応用されている。The silane coupling agent used in the present invention is an organosilicon monomer having two or more different reactive groups in its molecule, and one of the two reactive groups is inorganic (glass, metal, Reactive groups (methoxy groups, etc.) that chemically bond with silica sand, etc.
The other reactive group is a reactive group (vinyl group, epoxy group, methacrylic group, amine group, mercapto group) that chemically bonds with organic materials (various synthetic resins). Silane coupling agents, which have the property of chemically bonding to both inorganic and organic materials, are used as additives to inorganic and organic materials to improve the mechanical strength and adhesive properties of composite materials and stabilize the electrical properties. It is widely applied to improve resin modification, surface modification, etc.
【０００９】これらのシランカップリング剤を添加する
ことによって本発明のコーティング剤は独特の性能が得
られるものである。[0009] By adding these silane coupling agents, the coating agent of the present invention can obtain unique performance.
【００１０】表１に本発明のコーティングのシリコーン
ポリエステルの性状を示す。Table 1 shows the properties of the silicone polyester of the coating of the present invention.
【００１１】[0011]
【表１】[Table 1]
【００１２】0012
【実施例】以下に本発明の実施例を示すが、これらの実
施例は単に本発明の理解を助けるためのものに過ぎず、
本発明がこれらの実施例によって何等限定されるもので
ないことは当然理解されなければならない。なお、実施
例の％は全て重量％である。[Examples] Examples of the present invention are shown below, but these examples are merely for helping understanding of the present invention.
It must be understood that the present invention is not limited in any way by these Examples. Note that all percentages in Examples are percentages by weight.
【００１３】実施例１
シランカップリング剤（ビニルトリクロルシラン系）３
．７％、シリコーンオイル（ポリジメチルシロキサン）
５．６％、シリコーンオイル（ジメチル系）２．３％の
混合液を作り、キシロール１４．２％、ｎ−ブタノール
８．２％、ブチルセロソルブ２．８％の混合溶剤の一部
によって希釈した溶液を、シリコーンポリエステルワニ
ス６３．２％に撹はんしながら徐々に加えてから、残部
の混合溶剤を加えて粘度調整をしながら、製品粘度＃４
フォードカップ、２０℃、３０＋−２秒とした。Example 1 Silane coupling agent (vinyltrichlorosilane type) 3
．． 7%, silicone oil (polydimethylsiloxane)
A mixed solution of 5.6% silicone oil (dimethyl type) and 2.3% silicone oil was prepared and diluted with part of a mixed solvent of 14.2% xylol, 8.2% n-butanol, and 2.8% butyl cellosolve. was gradually added to 63.2% silicone polyester varnish while stirring, and then the remaining mixed solvent was added to adjust the viscosity until the product viscosity was #4.
Ford Cup, 20°C, 30+-2 seconds.
【００１４】実施例２
シランカップリング剤（ビニルトリクロルシラン系）３
．７％、シリコーンオイル（ポリジメチルシロキサン）
４．３％、ジメチルシリコーンオイル３．６％の混合液
を作り、キシロール１４．２％、ｎ−ブタノール８．２
％、ブチルセロソルブ２．８％の混合溶剤の一部で希釈
して、シリコーンポリエステルワニス６３．２％に徐々
に攪はんしながら加えてからさらに残部の混合溶剤を加
えて粘度調整をしながら、製品粘度＃４フォードカップ
、２０℃、３０＋−２秒とした。Example 2 Silane coupling agent (vinyltrichlorosilane type) 3
．． 7%, silicone oil (polydimethylsiloxane)
Make a mixture of 4.3% dimethyl silicone oil, 3.6% dimethyl silicone oil, 14.2% xylol, and 8.2% n-butanol.
%, butyl cellosolve 2.8% mixed solvent and gradually added to 63.2% silicone polyester varnish with stirring, and then added the remaining mixed solvent to adjust the viscosity. Product viscosity #4 Ford cup, 20°C, 30+-2 seconds.
【００１５】実施例３
シランカップリング剤（ビニルトリクロルシラン系）１
．５％、シリコーンオイル（ポリジメチルシロキサン）
５．６％、シリコーンオイル（ジメチル系）２．３％の
混合液を作り、これをキシロール１３．２％、ｎ−ブタ
ノール８．２％、ブチルセロソルブ２．８％の混合溶剤
の一部で希釈してからシリコーンポリエステルワニス６
５．４％に撹はんしながら徐々に加え、さらに残部の混
合溶剤をレベリング剤、ブロッキング防止剤、消泡剤等
の助剤合計１．０％と共に加えて製品とした。Example 3 Silane coupling agent (vinyltrichlorosilane type) 1
．． 5%, silicone oil (polydimethylsiloxane)
Make a mixture of 5.6% silicone oil (dimethyl type) and 2.3% silicone oil, and dilute this with a portion of a mixed solvent of 13.2% xylol, 8.2% n-butanol, and 2.8% butyl cellosolve. Then silicone polyester varnish 6
5.4% was gradually added with stirring, and the remaining mixed solvent was added together with a total of 1.0% of auxiliary agents such as a leveling agent, an antiblocking agent, and an antifoaming agent to prepare a product.
【００１６】実施例３のものをキシロール／ｎ−ブタノ
ール／ブチルセロソルブ：９０／４／６の混合溶剤で粘
度１５秒（＃４フォードカップ、２０℃）に希釈してス
テンレス（ＳＵＳ−３０４）にエアースプレーし、乾燥
塗膜が８ になるように塗布して３０分後に１８０℃
の熱風乾燥機で焼付け乾燥させたステンレス鋼板の塗膜
の性能評価は表２に示す通りであり、耐候性は図１に示
す通りであった。[0016] The material of Example 3 was diluted with a mixed solvent of xylol/n-butanol/butyl cellosolve: 90/4/6 to a viscosity of 15 seconds (#4 Ford cup, 20°C) and air-coated on stainless steel (SUS-304). Spray and apply so that the dry coating film is 8°C, then heat to 180℃ after 30 minutes.
The performance evaluation of the coating film on the stainless steel plate baked and dried in a hot air dryer is as shown in Table 2, and the weather resistance is as shown in FIG.
【００１７】[0017]
【表２】[Table 2]
【００１８】[0018]
【図１】[Figure 1]
【００１９】[0019]
【発明の効果】実施例３の図１及び表２からも知られる
ように、本発明によれば、従来品よりも優れた性能とし
て、一液型で使用できるため長期安定性がよく、硬化剤
を使用しないため使用時にポットライフ等の制約がなく
、ワニス時で５〜８万の分子量のポリマーであり使用時
の粘度と塗膜の適正値を得るために固形分を例えば３５
％としているために、薄膜１０μ以下でもその特性値を
発揮できる塗膜性能として高度の耐薬品性、長期耐久性
、耐水性、硬度、密着性、耐摩耗性を有し、このため車
両、外装建材、ＯＡ機器など全ゆる分野の軽合金鋼に広
範囲の適用が可能である。Effects of the Invention As can be seen from FIG. 1 and Table 2 of Example 3, the present invention has better performance than conventional products, and can be used as a one-component type, resulting in good long-term stability and hardening. Since no agent is used, there are no restrictions such as pot life during use, and the varnish is a polymer with a molecular weight of 50,000 to 80,000, and the solid content is adjusted to 35,000 to obtain the appropriate viscosity and coating film during use.
%, it has a high level of chemical resistance, long-term durability, water resistance, hardness, adhesion, and abrasion resistance that can exhibit its characteristic values even with a thin film of 10μ or less. It can be widely applied to light alloy steel in all fields such as building materials and OA equipment.
【００２０】[0020]
【図１】本発明の塗膜の耐候性を従来品と比較したもの
。FIG. 1: Comparison of weather resistance of the coating film of the present invention with that of conventional products.
Claims (1)
らなる共重合体であり、シランカップリング剤を含有す
ることを特徴とする軽合金用コーティング剤。1. A coating agent for a light alloy, which is a copolymer consisting of a silicone resin and a polyester resin, and contains a silane coupling agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9831991A JPH04246484A (en) | 1991-01-31 | 1991-01-31 | Coating material for metal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9831991A JPH04246484A (en) | 1991-01-31 | 1991-01-31 | Coating material for metal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04246484A true JPH04246484A (en) | 1992-09-02 |
Family
ID=14216593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9831991A Pending JPH04246484A (en) | 1991-01-31 | 1991-01-31 | Coating material for metal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04246484A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008068402A (en) * | 2006-09-12 | 2008-03-27 | Furukawa Sky Kk | Regular reflective resin coated aluminum material superior in durability |
| CN102504265A (en) * | 2011-11-03 | 2012-06-20 | 杭州吉华高分子材料有限公司 | Method for preparing polyester modified organic silicon resin and coating containing the resin |
-
1991
- 1991-01-31 JP JP9831991A patent/JPH04246484A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008068402A (en) * | 2006-09-12 | 2008-03-27 | Furukawa Sky Kk | Regular reflective resin coated aluminum material superior in durability |
| CN102504265A (en) * | 2011-11-03 | 2012-06-20 | 杭州吉华高分子材料有限公司 | Method for preparing polyester modified organic silicon resin and coating containing the resin |
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