JPH02150469A - Abrasion-resistant coating composition - Google Patents
Abrasion-resistant coating compositionInfo
- Publication number
- JPH02150469A JPH02150469A JP30475588A JP30475588A JPH02150469A JP H02150469 A JPH02150469 A JP H02150469A JP 30475588 A JP30475588 A JP 30475588A JP 30475588 A JP30475588 A JP 30475588A JP H02150469 A JPH02150469 A JP H02150469A
- Authority
- JP
- Japan
- Prior art keywords
- zinc oxide
- needle
- core
- total solid
- weight
- 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
- 238000005299 abrasion Methods 0.000 title claims abstract description 10
- 239000008199 coating composition Substances 0.000 title claims description 12
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000000576 coating method Methods 0.000 claims abstract description 22
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000011248 coating agent Substances 0.000 claims abstract description 18
- 239000011787 zinc oxide Substances 0.000 claims abstract description 18
- 239000007787 solid Substances 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 13
- 229920005989 resin Polymers 0.000 claims abstract description 13
- 239000011347 resin Substances 0.000 claims abstract description 13
- 239000013078 crystal Substances 0.000 claims abstract description 12
- 229910001570 bauxite Inorganic materials 0.000 claims abstract description 7
- 125000000524 functional group Chemical group 0.000 claims abstract description 6
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000000203 mixture Substances 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims abstract description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 6
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 6
- 239000000377 silicon dioxide Substances 0.000 claims description 6
- 238000004132 cross linking Methods 0.000 claims description 4
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 239000001095 magnesium carbonate Substances 0.000 claims description 3
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 claims description 3
- 229910000021 magnesium carbonate Inorganic materials 0.000 claims description 3
- 235000014380 magnesium carbonate Nutrition 0.000 claims description 3
- 239000000395 magnesium oxide Substances 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000007822 coupling agent Substances 0.000 claims description 2
- 230000002209 hydrophobic effect Effects 0.000 claims 1
- 239000003973 paint Substances 0.000 abstract description 18
- 239000000919 ceramic Substances 0.000 abstract description 7
- 238000003860 storage Methods 0.000 abstract description 3
- 239000006004 Quartz sand Substances 0.000 abstract 1
- 239000007921 spray Substances 0.000 description 8
- 241001455273 Tetrapoda Species 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 229920000768 polyamine Polymers 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012765 fibrous filler Substances 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 ore Substances 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
Abstract
Description
【発明の詳細な説明】
技 術 分 野
本発明は耐摩耗性塗料組成物に係り、さらに詳しくは粉
粒体を貯蔵あるいは輸送する容器、槽、管などの内壁あ
るいは船舶外装部等機械的、物理的摩擦を受ける部位の
上塗塗料として有用な耐摩耗性塗料組成物に関するもの
である。[Detailed Description of the Invention] Technical Field The present invention relates to an abrasion-resistant coating composition, and more particularly, it relates to a wear-resistant coating composition, and more specifically, it is applied to mechanical and physical coatings such as the inner walls of containers, tanks, and pipes for storing or transporting powder or granular materials, or to the exterior parts of ships. The present invention relates to a wear-resistant paint composition useful as a top coat for areas subject to surface friction.
従 来 技 術
船舶の接岸時に岸壁等に接触するおそれのある外装部分
あるいは鉱石、セメント・、穀物などの粉粒体を貯蔵、
輸送する際にこれら粉粒体と接触するタンク、ホッパー
、配管などの内壁部の様に固体による著しい機械的、物
理的京擦力を受ける部位の上塗塗料として、従来比較的
柔軟なウレタン樹脂にガラスファイバーの如き繊維状フ
ィラーを加えた弾性変形性塗膜を与える塗料と、エポキ
シ／アミン系のような高硬度塗膜を与える塗料とが検討
されてきた。Conventional technology Storage of exterior parts or powdery materials such as ore, cement, and grains that may come into contact with quay walls when ships are berthed.
Conventionally, relatively flexible urethane resins have been used as top coats for areas that are subject to significant mechanical and physical frictional forces due to solids, such as the inner walls of tanks, hoppers, and piping that come into contact with these powders during transportation. Paints that provide elastically deformable coatings with added fibrous fillers such as glass fibers and coatings that provide high hardness coatings such as epoxy/amine systems have been investigated.
しかしながら前者にあっては衝撃の吸収により塗膜ハガ
レを防止することを目的としたもので耐衝撃性には強い
が、耐摩耗性、耐久性に劣り、また繊維状フィラーの微
粒化が困難なためスプレー等による作業性に難点がある
し、また塗膜面の平滑性の点で不充分であるし、また後
者にあっては膜の見掛は硬度をあげることにより傷つき
性を改善しようとするものであるが、粉粒体などによる
衝突に対してもろく、長期の使用で塗膜のハガレを起し
易い問題があり、いづれも満足すべき結果を与えるもの
ではなかった。However, the former is intended to prevent paint film peeling by absorbing impact, and although it has strong impact resistance, it has poor abrasion resistance and durability, and it is difficult to atomize the fibrous filler. Therefore, it is difficult to work with spraying, etc., and the smoothness of the coating film surface is insufficient. However, they have problems in that they are brittle against collisions with particles and the like, and the paint film tends to peel off after long-term use, and none of them have given satisfactory results.
発明が解決しようとする問題点
そこで、硬くて耐摩耗性に優れ、しかも衝撃に対しても
耐性が大で、スプレー等の作業性も良好で且つ平滑な塗
面を与えうる耐摩耗性塗料が要望されており、かかる塗
料組成物を提供することが本発明の目的である。Problems to be Solved by the Invention Therefore, an abrasion-resistant paint that is hard, has excellent abrasion resistance, is highly resistant to impact, is easy to spray, etc., and can provide a smooth painted surface. There is a need and it is an object of the present invention to provide such a coating composition.
問題点を解決するための手段
本発明に従えば上記目的が
（Ａ＞核部と、この核部から異なる４方向に伸びた針状
結晶部からなり、前記針状結晶部の基部の径が０．７〜
１４μｍであり、前記針状結晶部の基部から先端までの
長さが３〜２００μｍであるテトラポット状酸化亜鉛ウ
ィスカーを全固形分量に対し１〜２０重量％と、
（Ｂ）ボーキサイト、珪砂、金剛砂、アルミナ、ジルコ
ニア、珪石、マグネサイト、マグネシアからなる群より
選ばれる高硬度セラミックスの平均粒径０．１〜２００
μｍの微粉末
（Ｃ）硬化塗膜のＴｇが一９０℃以上となる相互に反応
する架橋性官能基を各々が担持する２種以上の樹脂ある
いは樹脂と化合物、もしくは相互に反応する架橋性官能
基を同一分子内に有する樹脂もしくは樹脂混合物を含み
、（Ａ＞が全固形分重量に対し１０〜７０重量％、但し
（Ａ）＋ （Ｂ）の合計量が全固形分重量に対し３０〜
８０重蓋％の範囲内になる如く、含有する耐摩耗性塗料
組成物により達成せられる。Means for Solving the Problems According to the present invention, the above object (A> consists of a core and an acicular crystal part extending in four different directions from the core, and the diameter of the base of the acicular crystal part is 0.7~
(B) bauxite, silica sand, diamond sand , alumina, zirconia, silica, magnesite, and magnesia, with an average particle size of 0.1 to 200.
μm fine powder (C) Two or more resins each carrying mutually reactive crosslinking functional groups, or resin and compound, or mutually reactive crosslinking functional groups, each of which has a Tg of 190°C or higher for the cured coating film. (A> is 10 to 70% by weight based on the total solid weight, provided that the total amount of (A) + (B) is 30 to 70% by weight based on the total solid weight)
This is achieved by the abrasion-resistant coating composition containing the coating composition such that the coating weight is within the range of 80%.
本発明者らはさきに高純度酸化亜鉛ウィスカーで核部と
、この核部から異なる４方向に伸びた針状結晶部からな
り、前記針状結晶部の径が０．７〜１４μであり、前記
針状結晶部の基部から先端までの長さが３〜２００μで
ある特性を有するものを、独自に開発せる新規製法によ
り工業的規模で生産することに成功し、同製法について
特願昭６２−３３４４１８、・同６３−４１３２９．同
６３−４１３３０号として特許出願した。The present inventors previously discovered that high-purity zinc oxide whiskers are made of a core and needle-like crystal parts extending from the core in four different directions, and the diameter of the needle-like crystal part is 0.7 to 14μ. We succeeded in producing on an industrial scale the needle-shaped crystal part having the characteristic of having a length of 3 to 200 μm from the base to the tip using a new manufacturing method that we developed independently. -334418, 63-41329. A patent application was filed as No. 63-41330.
本発明においてはかかる特定形状の高純度酸化亜鉛ウィ
スカー（テトラポット状酸化亜鉛ウィスカーと称す）が
塗料固形分に対し１〜２０重量％の割合で添加され、さ
らにこれと共にボーキサイト、珪砂、金剛砂、アルミナ
、ジルコニア、珪石、マグネサイト、マグネシアからな
る群より選ばれる天然あるいは人造の高硬度セラミ・ン
クス体で平均粒径０．１〜２００μｍの範囲内にある高
硬度セラミックス微粉末が塗料固形分に対し１０〜７０
重量％の範囲内で配合せられる。In the present invention, high-purity zinc oxide whiskers of a specific shape (referred to as tetrapod zinc oxide whiskers) are added at a ratio of 1 to 20% by weight based on the solid content of the paint, and together with this, bauxite, silica sand, diamond sand, alumina , zirconia, silica, magnesite, and magnesia are selected from the group consisting of natural or artificial high-hardness ceramic powder with an average particle size within the range of 0.1 to 200 μm, based on the solid content of the paint. 10-70
It is blended within the range of weight %.
尚テトラポット状酸化亜鉛ウィスカーとセラミックス微
粉末の合計量は塗料固形分に対し３０〜８０重蓋％の範
囲内でなくてはならない。The total amount of the tetrapod zinc oxide whiskers and the fine ceramic powder must be within the range of 30 to 80 percent based on the solid content of the paint.
本発明者らの研究によれば、高硬度セラミックス体は塗
膜自体の硬度を上げるため最も有効な添加剤であるが、
これのみによる場合は耐衝撃性が悪く、特定量のテトラ
ポット状酸化亜鉛ウィスカーを組合せるに、この酸化亜
鉛ウィスカーが塗膜内で被塗物面に水平および垂直方向
の構造強化硬化をもたらし、さらに耐摩耗性を大ならし
めると共に、その独自の形状に由来し、衝突変形に対す
る追従性の向上から耐衝撃性をも大巾に改善する効果の
あることを見出し本発明を完成したものである。According to the research conducted by the present inventors, a high-hardness ceramic body is the most effective additive for increasing the hardness of the coating film itself;
If this alone is used, the impact resistance is poor, but when a specific amount of tetrapot-shaped zinc oxide whiskers is combined, the zinc oxide whiskers cause structural reinforcement and hardening in the horizontal and vertical directions on the surface of the coated object within the coating film. Furthermore, the present invention has been completed by discovering that it has the effect of increasing wear resistance and greatly improving impact resistance due to its unique shape, which improves the ability to follow collision deformation. .
テトラポット状酸化亜鉛ウィスカーが塗料固形分に対し
、１重量％未満では発明効果が充分発揮されず、また２
０重量％をこえると流動性が悪くなり塗装作業性、特に
スプレー作業性が悪くなるし塗膜外観の劣るので、酸化
亜鉛ウィスカー含量は塗料固形分に対し１〜２０重量％
に制限せられるべきである。If the tetrapot-shaped zinc oxide whisker is less than 1% by weight based on the solid content of the paint, the effect of the invention will not be sufficiently exhibited;
If it exceeds 0% by weight, fluidity will deteriorate, painting workability, especially spraying workability will be poor, and the appearance of the paint film will be poor. Therefore, the zinc oxide whisker content should be 1 to 20% by weight based on the solid content of the paint.
should be limited to
また高硬度セラミックス微粉末は塗膜厚、作業性外観等
から０，１〜２００μｍの範囲内にあることが望ましく
、塗料固形分に対し１０重量％未満では酸化亜鉛ウィス
カーと組合せても発明効果が不充分であり、他方７０重
量％をこえると塗膜がモロくなりすぎて望ましくない。In addition, it is desirable that the high hardness ceramic fine powder is within the range of 0.1 to 200 μm from the viewpoint of coating film thickness, workability, appearance, etc. If it is less than 10% by weight based on the solid content of the paint, the invention will not be effective even when combined with zinc oxide whiskers. On the other hand, if it exceeds 70% by weight, the coating film becomes too loose, which is not desirable.
本発明に於てはしかしながらテトラポット状酸化亜鉛ウ
ィスカーと高硬度セラミックス微粉末の合計量が塗料全
固形分に対し３０〜８０重量％の範囲内にあることが必
要である。というのは３０重量％未満では硬く且つ耐衝
撃性に優れた耐摩耗性塗料を得るとの本発明目的が十分
には達成されず他方８０重量％をこえるとスプレー作業
性、塗膜外観、就中平滑性がそこなわれるからである。However, in the present invention, it is necessary that the total amount of the tetrapot-shaped zinc oxide whiskers and the high hardness ceramic fine powder be within the range of 30 to 80% by weight based on the total solid content of the paint. This is because if it is less than 30% by weight, the purpose of the present invention, which is to obtain a hard and abrasion-resistant paint with excellent impact resistance, will not be fully achieved, while if it exceeds 80% by weight, the spray workability, the appearance of the coating, and the This is because the medium smoothness is damaged.
また前記酸化亜鉛ウィスカーはカップリング剤で疎水化
処理されたものを使用することが特に好ましいことも確
かめられている。It has also been confirmed that it is particularly preferable to use zinc oxide whiskers that have been hydrophobized with a coupling agent.
樹脂ビヒクルとしては従来既知の任意の塗料用樹脂を用
いることができるが、高度の耐串耗性塗膜を得るために
は比較的高硬度塗膜を与えるものであることが好ましく
、例えばエポキシ樹脂、不飽和ポリエステル樹脂、フェ
ノール樹脂、就中レゾルシン型フェノール樹脂、尿素樹
脂、ポリアミド樹脂、酸無水物樹脂等に所望によりポリ
アミン、ゲチミン、ポリイソシアネート等を組合せたも
のを用いることが好ましい。特に好ましい樹脂はエポキ
シ−ポリアミン系樹脂である。本発明の塗料組成物には
なお所望により繊維状ファイバー例えばガラス繊維、チ
タン酸カリウム繊維、ロックウール、アルミナファイバ
ーを加えても良いが、スプレー塗装の場合には、つまり
、ブッなどの発生傾向を示すため使用しない方が好まし
い。Any conventionally known coating resin can be used as the resin vehicle, but in order to obtain a highly skewered coating, it is preferable to use one that provides a coating with relatively high hardness, such as epoxy resin. , unsaturated polyester resins, phenolic resins, especially resorcinol-type phenolic resins, urea resins, polyamide resins, acid anhydride resins, and the like, optionally combined with polyamines, getimine, polyisocyanates, etc., are preferably used. Particularly preferred resins are epoxy-polyamine resins. If desired, fibrous fibers such as glass fibers, potassium titanate fibers, rock wool, and alumina fibers may be added to the coating composition of the present invention. It is preferable not to use it for purposes of illustration.
溶剤顔料その他の通常の塗料用添加剤も所望により添加
せられる。Solvent pigments and other conventional paint additives may also be added if desired.
本発明の塗料組成物は被塗物に対し刷毛、ローラー、ス
プレー等任意の通常の塗装手段により適用せられるが、
タンク等にはスプレーによることが特に望ましく、この
場合通常のエアスプレーやエアレススプレーが利用せら
れる。The coating composition of the present invention can be applied to the object to be coated by any conventional coating means such as brush, roller, spray, etc.
It is particularly desirable to use a spray for tanks, etc. In this case, a normal air spray or airless spray can be used.
塗ＪＩＩＴｇは伸縮振動による動的なＴｇ（周波数１１
０ＨＺ ）を言い、レオバイオブロンＤＤＶ−ＩＦ（オ
リエンチック味製）により、室温より１℃／分で昇温測
定した際のＴａｎδのピークをＴｇとしな。Coating JIITg has a dynamic Tg (frequency 11
0HZ), and Tg is the peak of Tan δ when the temperature is measured at a rate of 1° C./min from room temperature using a Rheobiobrone DDV-IF (manufactured by Orientic Aji).
既に述べた如く、本発明の塗料組成物を使用すると、硬
く且つ耐衝撃性に優れた耐串耗性塗膜が得られ、しかも
作業性に優れ、塗膜外観にも優れたものが得られるので
、船舶外装、粉粒体の貯蔵、輸送客器、タンク、管など
の内壁塗装の上塗りとして特に有用である。As already mentioned, when the coating composition of the present invention is used, it is possible to obtain a hard, abrasion-resistant coating film with excellent impact resistance, excellent workability, and an excellent coating film appearance. Therefore, it is particularly useful as a top coat for interior walls of ships, storage of powder and granular materials, transportation vehicles, tanks, pipes, etc.
以下実施例により本発明を説明する。The present invention will be explained below with reference to Examples.
えＩＬＬ
船舶用耐串性塗料のインターガード主剤（日本ペイント
■製）２２０部（うちボーキサイト粉７２部）に、シラ
ンカップリング剤ＫＢＭ−４０３（信越化学製品）で表
面処理したテトラポット状酸化亜鉛ウィスカー（松下電
器産業■製、高純度酸化亜鉛結晶、針状結晶部基部後０
．８μｍ、長さ３．５μｍ）２６部を加え、ＳＧミルで
１時間分散し、塗料組成物（１）を得た。EILL Tetrapod zinc oxide surface treated with silane coupling agent KBM-403 (Shin-Etsu Chemical) in 220 parts (including 72 parts of bauxite powder) of Intergard main ingredient (manufactured by Nippon Paint ■) for marine skewer-resistant paint. Whisker (manufactured by Matsushita Electric Industrial ■, high purity zinc oxide crystal, 0 after the base of the needle-shaped crystal part)
．． 8 μm, length 3.5 μm) was added thereto and dispersed in an SG mill for 1 hour to obtain a coating composition (1).
ＥＧ硬化剤（日本へインド社製、インターガード用ポリ
アミン硬化剤） ３５．５部を加え、７０ｍｍＸ１５０
ｍａ Ｘ ３ ｔのサンドブラスト板上に乾燥膜厚１２
０μにスプレー塗装し、６０℃で３日間乾燥後１日室温
に放置した。尚上記塗料組成物の酸化亜鉛ウィスカーと
ボーキサイト粉の塗膜性能を、テーパーテスト法（Ｊ
Ｉ Ｓ −Ｋ５６６５）で１ｋｇ荷重１０００回転後の
摩耗減量によりテストし、さらにガードナー法による耐
衝撃テストで鉄板上のスプレの直径を実施し、さらにま
た鉛筆硬度テストを行って調べ、それらの結果を第１表
に示した。Add 35.5 parts of EG curing agent (polyamine curing agent for Intergard, manufactured by Japan India Co., Ltd.), and make a 70mm x 150
Dry film thickness 12 on a sandblasting board of ma x 3 t.
It was spray coated to 0μ, dried at 60°C for 3 days, and then left at room temperature for 1 day. The film performance of zinc oxide whiskers and bauxite powder in the above coating composition was evaluated using the taper test method (J
I S-K5665) was used to test the wear loss after 1000 revolutions under a load of 1 kg, and an impact test using the Gardner method was conducted to determine the diameter of the spray on a steel plate. It is shown in Table 1.
実施例１と同様方法を但しテトラポット状酸化亜鉛ウィ
スカーの代わりに２０部のボーキサイト粉を用いて実施
し、そのテスト結果を第１表に示した。The same method as in Example 1 was carried out except that 20 parts of bauxite powder was used in place of the tetrapod zinc oxide whiskers, and the test results are shown in Table 1.
Claims (2)
結晶部からなり、前記針状結晶部の基部の径が０．７〜
１４μｍであり、前記針状結晶部の基部から先端までの
長さが３〜２００μｍであるテトラポット状酸化亜鉛ウ
ィスカーを全固形分量に対し１〜２０重量％と、 （Ｂ）ボーキサイト、珪砂、金剛砂、アルミナ、ジルコ
ニア、珪石、マグネサイト、マグネシアからなる群より
選ばれる高硬度セラミックスの平均粒径０．１〜２００
μｍの微粉末 （Ｃ）硬化塗膜のＴｇが−９０℃以上となる相互に反応
する架橋性官能基を各々が担持する２種以上の樹脂ある
いは樹脂と化合物、もしくは相互に反応する架橋性官能
基を同一分子内に有する樹脂もしくは樹脂混合物を含み
、（Ａ）が、全固形分重量に対し１０〜７０重量％、但
し（Ａ）＋（Ｂ）の合計量が全固形分重量に対し３０〜
８０重量％の範囲内になる如く、含有する耐摩耗性塗料
組成物。(1) (A) Consists of a core and needle-like crystal parts extending from the core in four different directions, and the diameter of the base of the needle-like crystal part is 0.7 to
(B) bauxite, silica sand, diamond sand , alumina, zirconia, silica, magnesite, and magnesia, with an average particle size of 0.1 to 200.
μm fine powder (C) Two or more resins each carrying a crosslinking functional group that reacts with each other, or a compound with a resin, or a crosslinking functional group that reacts with each other so that the Tg of the cured coating film is -90°C or higher. contains a resin or resin mixture having a group in the same molecule, and (A) is 10 to 70% by weight based on the total solid weight, provided that the total amount of (A) + (B) is 30% by weight based on the total solid weight. ~
An abrasion-resistant coating composition containing such that the content is within the range of 80% by weight.
リング剤で疎水化処理されたものである請求項第１項記
載の組成物。(2) The composition according to claim 1, wherein the tetrapot-shaped zinc oxide whiskers have been previously treated with a coupling agent to make them hydrophobic.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30475588A JPH02150469A (en) | 1988-11-30 | 1988-11-30 | Abrasion-resistant coating composition |
| DE68918575T DE68918575T2 (en) | 1988-11-30 | 1989-11-30 | Coating composition containing tetrahedral zinc oxide whiskers. |
| EP89203055A EP0379746B1 (en) | 1988-11-30 | 1989-11-30 | Coating composition containing tetrapod-like zinc oxide whiskers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30475588A JPH02150469A (en) | 1988-11-30 | 1988-11-30 | Abrasion-resistant coating composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02150469A true JPH02150469A (en) | 1990-06-08 |
Family
ID=17936837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30475588A Pending JPH02150469A (en) | 1988-11-30 | 1988-11-30 | Abrasion-resistant coating composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02150469A (en) |
-
1988
- 1988-11-30 JP JP30475588A patent/JPH02150469A/en active Pending
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