JPH08225670A - Coating composition for surface treatment of elastic polymer material - Google Patents

Coating composition for surface treatment of elastic polymer material

Info

Publication number
JPH08225670A
JPH08225670A JP7016312A JP1631295A JPH08225670A JP H08225670 A JPH08225670 A JP H08225670A JP 7016312 A JP7016312 A JP 7016312A JP 1631295 A JP1631295 A JP 1631295A JP H08225670 A JPH08225670 A JP H08225670A
Authority
JP
Japan
Prior art keywords
surface treatment
glass
rubber
sliding
polymer material
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.)
Granted
Application number
JP7016312A
Other languages
Japanese (ja)
Other versions
JP3461605B2 (en
Inventor
Tetsuo Onzuka
哲夫 恩塚
Yoshihiro Ito
喜洋 伊藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kinugawa Rubber Industrial Co Ltd
Original Assignee
Kinugawa Rubber Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kinugawa Rubber Industrial Co Ltd filed Critical Kinugawa Rubber Industrial Co Ltd
Priority to JP01631295A priority Critical patent/JP3461605B2/en
Priority to US08/637,388 priority patent/US5844051A/en
Priority claimed from US08/637,388 external-priority patent/US5844051A/en
Priority to GB9608725A priority patent/GB2312428B/en
Publication of JPH08225670A publication Critical patent/JPH08225670A/en
Application granted granted Critical
Publication of JP3461605B2 publication Critical patent/JP3461605B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

PURPOSE: To obtain a surface treatment coating compsn. suitable for surface treatment of a weatherstrip with an improvement in the durability of a coating compsn. for surface treatment of an elastic polymer material and with low noises being hardly generated during friction. CONSTITUTION: The coating compsn. for surface treatment of an elastic polymer material comprises 100 pts.wt. curable polyurethane and 0.5-100 pts.wt. diorganopolysiloxane having an average degree of polymn. of 6,000 to 10,000. This compsn. is pref. formed into a predetermined shape and used as a weatherstrip.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は高分子弾性体の表面処理
に用いられる塗料組成物に関し、特にゴム等を表面処理
することで滑性、耐摩耗性等が得られる塗料組成物に関
する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coating composition used for the surface treatment of a polymer elastic body, and more particularly to a coating composition which can be provided with lubricity and abrasion resistance by surface-treating rubber or the like.

【0002】[0002]

【従来の技術】従来、高分子弾性体は種々の用途に用い
られている。例えば、2つの物体を接触させる際に、こ
れらの物体の摺動面や接触面に高分子弾性体を用いるこ
とで両者が保護され、また接触音も低減されるといった
効果が得られる。
2. Description of the Related Art Conventionally, polymer elastic materials have been used for various purposes. For example, when two objects are brought into contact with each other, a polymeric elastic body is used for the sliding surface and the contact surface of these objects, so that the two can be protected and the contact noise can be reduced.

【0003】特に、自動車や建築物のウェザーストリッ
プにおいては、上記のような効果を得るために高分子弾
性体が用いられている。
In particular, in weather strips for automobiles and buildings, a polymer elastic body is used to obtain the above effects.

【0004】一般にウェザーストリップには耐候性、耐
熱性、耐水性、滑性、非凍結性等の多くの特性が必要で
あり、ウェザーストリップを構成する高分子弾性体の改
良及び表面処理技術が求められている。
Generally, weather strips are required to have many properties such as weather resistance, heat resistance, water resistance, lubricity, and non-freezing property, and improvement of the polymer elastic material constituting the weather strip and surface treatment technology are required. Has been.

【0005】このような高分子弾性体の表面処理技術と
して、特公昭61−4408号公報には、熱硬化性ポリ
ウレタンにシリコンオイル(または変性シリコンオイ
ル、硬化性シリコンオイル等)を添加して表面処理剤を
製造し、これを用いて高分子弾性体を表面処理すること
で、耐摩耗性、滑り性、密着性等を向上させる技術が開
示されている。
As a surface treatment technique for such a polymer elastic body, Japanese Patent Publication No. 61-4408 discloses a method in which silicone oil (or modified silicone oil, curable silicone oil, etc.) is added to the surface of thermosetting polyurethane. A technique has been disclosed in which a treatment agent is produced and a polymer elastic body is subjected to a surface treatment using the treatment agent to improve wear resistance, slipperiness, adhesion, and the like.

【0006】また、特公平4−37859号公報には、
硬化性ポリウレタンに上記シリコンオイルと接着与付剤
(塩素化EPTのアクリルモノマーグラフト重合物)を
添加し無極性ゴム(EPDM)にプライマー無で密着
し、耐候性等を改良する技術が開示されている。
Further, Japanese Patent Publication No. 4-37859 discloses that
A technique for improving the weather resistance etc. by adding the above silicone oil and an adhesive imparting agent (acrylic monomer graft polymer of chlorinated EPT) to curable polyurethane and adhering to a non-polar rubber (EPDM) without a primer is disclosed. There is.

【0007】[0007]

【発明が解決しようとする課題】しかし、熱硬化性ポリ
ウレタンにシリコンオイルを添加して得られる表面処理
剤においては耐久性に課題が残されており、図1に示す
ように、表面処理した高分子弾性体1とガラス2とを摺
動させて耐久試験を行うと、ガラス2の端面との摩擦に
よって早期にゴムが破断してしまう。
However, the surface treatment agent obtained by adding silicone oil to thermosetting polyurethane still has a problem in durability. As shown in FIG. When the durability test is performed by sliding the molecular elastic body 1 and the glass 2 on each other, the rubber ruptures at an early stage due to friction with the end surface of the glass 2.

【0008】また、硬化性ポリウレタンに上記シリコン
オイルと接着与付剤を添加し無極性ゴムにプライマー無
で密着した場合には、図2に示すように、ガラス3が水
でぬれた状態では高分子弾性体4との摺動時にキュルキ
ュルという低級音を発生してしまう。
Further, when the above silicone oil and the adhesive-imparting agent are added to the curable polyurethane and the non-polar rubber is adhered to the non-polar rubber without a primer, as shown in FIG. When sliding with the molecular elastic body 4, a low-quality sound called curculule is generated.

【0009】本発明は上記背景の下になされたものであ
り、高分子弾性体の表面処理用塗料組成物の耐久性を向
上し、かつ摩擦時に低級音が発生し難くするとともに、
ウェザーストリップの表面処理にも適した表面処理用塗
料組成物を提供することを目的とする。
The present invention has been made in view of the above background, and improves the durability of a coating composition for surface treatment of a polymer elastic body, and makes it difficult for low-grade sound to be generated during rubbing.
An object of the present invention is to provide a coating composition for surface treatment, which is also suitable for surface treatment of weather strips.

【0010】[0010]

【課題を解決するための手段及び作用】上記課題を解決
するために、本発明は、硬化性ポリウレタン100重量部
に対して、平均重合度6,000〜10,000のジオルガノポリ
シロキサンを0.5〜100重量部含有することを特徴とする
高分子弾性体の表面処理用塗料組成物を提供する。
In order to solve the above problems, the present invention is based on 100 parts by weight of curable polyurethane, 0.5 to 100 parts by weight of diorganopolysiloxane having an average degree of polymerization of 6,000 to 10,000. Provided is a coating composition for surface treatment of an elastic polymer, which is characterized by containing.

【0011】本発明では平均重合度6,000〜10,000のジ
オルガノポリシロキサン(ゴム状シリコン)を用いてい
るが、その分子量は高いので、塗膜内ではゴム状シリコ
ン分子とポリウレタン樹脂の分子とが互いにからまった
形で保持されていると推測される。
In the present invention, diorganopolysiloxane (rubber-like silicon) having an average degree of polymerization of 6,000 to 10,000 is used. However, since the molecular weight of the diorganopolysiloxane is high, the rubber-like silicon molecule and the polyurethane resin molecule are mutually in the coating film. Presumed to be held in a tangled form.

【0012】従って、通常のシリコン系添加剤に比べる
とブリードアウトしにくく、塗膜表皮からゴム状シリコ
ンが雨水等で流出し難くなり耐久性がよくなる。また、
塗膜に柔らかさを出すことができ、ガラス摺動時の低級
音が発生しにくくなる。更に、塗膜表面に露出している
ゴム状シリコンは滑り性を確保するとともに、その一部
はガラス等の摺動相手に転写される。
Therefore, as compared with the usual silicone-based additives, bleed-out is less likely to occur, and rubber-like silicone is less likely to flow out from the surface of the coating film due to rainwater or the like, resulting in improved durability. Also,
The coating film can be made soft, and low-grade noise is less likely to occur when sliding on glass. Further, the rubber-like silicon exposed on the surface of the coating film ensures slipperiness, and part of it is transferred to a sliding partner such as glass.

【0013】ゴム状シリコンは分子量が高いのでガラス
等への付着力が高く、除去され難い。これによりガラス
表面は高分子弾性体上に形成された塗膜と同様に水をは
じきやすくなる。これらの相乗作用によって、より一層
摺動時の低級音が発生しずらくなる。
Since rubber-like silicon has a high molecular weight, it has a high adhesion to glass and the like and is difficult to remove. As a result, the glass surface becomes easy to repel water like the coating film formed on the polymeric elastic body. Due to these synergistic effects, it becomes more difficult to generate low-grade sounds when sliding.

【0014】以下、本発明を更に詳細に説明する。The present invention will be described in more detail below.

【0015】本件発明に使用する直鎖状のジオルガノポ
リシロキサンは、平均重合度は6,000〜10,000程度、粘
度は1,000万以上の流動性のないゴム状シリコンであ
る。
The linear diorganopolysiloxane used in the present invention is a non-flowing rubber-like silicone having an average degree of polymerization of about 6,000 to 10,000 and a viscosity of 10 million or more.

【0016】平均重合度が6,000より低くなると、塗料
を塗布した後の塗膜から添加剤がブリードアウトしやす
くなるので、添加剤が雨水などに流されやすく、すぐに
摩擦係数の低下や水をはじく効果がなくなってしまう。
平均重合度が10,000より高いと溶剤に溶けなくなって塗
料中への分散が困難となる。
If the average degree of polymerization is lower than 6,000, the additive is likely to bleed out from the coating film after the coating material is applied, so that the additive is easily washed away by rainwater and the like, and the friction coefficient immediately decreases and water is removed. The repelling effect is lost.
If the average degree of polymerization is higher than 10,000, it becomes insoluble in the solvent and becomes difficult to disperse in the paint.

【0017】また、硬化性ポリウレタンは、ウレタンポ
リオールとポリイソシアネートから成る。
The curable polyurethane is composed of urethane polyol and polyisocyanate.

【0018】ウレタンポリオールとしては、イソシアネ
ート基と反応する活性水素を2個以上有する化合物であ
る。一般的には、プロピレンオキサイドやエチレンオキ
サイドを付加重合させたポリエーテルポリオールと、ア
ジピン酸等の有機酸と短鎖ジオール等のヒドロキシ成分
を縮合重合させたポリエステルポリオールなどがある。
さらに、ポリテトラメチレンエーテルグリコール、ラク
トン系ポリオール、アクリル系ポリオール、ポリカーボ
ネート系ポリオール、ヒマシ油系ポリオール、ポリブタ
ジエンポリオール等がある。ヒドロキシル基(−OH)
を有するポリオール以外では、ポリアミン(−N
3)、ポリカルボン酸(−COOH)等を用いること
ができ、また上記ポリマーと、上記他のポリマーとのブ
レンド、ポリエーテル・エステルポリエーテル等の付加
重合物、及びシリコン共重合ポリエーテル等の共重合物
などが使用できる。
The urethane polyol is a compound having two or more active hydrogens which react with an isocyanate group. Generally, there are a polyether polyol obtained by addition-polymerizing propylene oxide or ethylene oxide, and a polyester polyol obtained by condensation-polymerizing an organic acid such as adipic acid and a hydroxy component such as a short-chain diol.
Further, there are polytetramethylene ether glycol, lactone-based polyol, acrylic-based polyol, polycarbonate-based polyol, castor oil-based polyol, polybutadiene polyol and the like. Hydroxyl group (-OH)
Other than polyols having
H 3 ), polycarboxylic acid (—COOH) and the like can be used, and blends of the above polymers with other polymers, addition polymers such as polyether / ester polyethers, and silicone copolymer polyethers and the like. The copolymers thereof can be used.

【0019】ここで前記ポリイソシアネートとしては、
イソシアネート基(−NCO)を有する化合物であり、
トリレンジイソシアネート(TDI)、ジフェニルメタ
ンジイソシアネート(MDI)、ヘキサメチレンジイソ
シアネート(HDI)、キシリレンジイソシアネート
(XDI)、ナフタレンジイソシアネート(NDI)、
イソホロンジイソシアネート(IPDI)、リシンジイ
ソシアネート(LDI)、その水添物である水素化ジフ
ェニルメタンジイソシアネート(H6MDI)、または
水素化キシリレンジイソシアネート(H12XDI)をモ
ノマーで使用するか、またはこれら上記のものをTMP
アダクト、水アダクト、トリマー等に代表される変成
物、または前述のウレタンポリオールと上記ポリイソシ
アネート化合物とのプレポリマー等が使用可能であり、
さらに上記モノマーや変成物やプレポリマーをブレンド
してもよい。さらに、フェノールやオキシムブロック体
等によるブロックイソシアネートも使用可能である。ま
た、以上に限定されることなく、イソシアネート基(−
NCO)を複数有しているものであれば使用できる。
Here, as the polyisocyanate,
A compound having an isocyanate group (-NCO),
Tolylene diisocyanate (TDI), diphenylmethane diisocyanate (MDI), hexamethylene diisocyanate (HDI), xylylene diisocyanate (XDI), naphthalene diisocyanate (NDI),
Isophorone diisocyanate (IPDI), lysine diisocyanate (LDI), its hydrogenated hydrogenated diphenylmethane diisocyanate (H 6 MDI), or hydrogenated xylylene diisocyanate (H 12 XDI) is used in the monomer or these Things to TMP
Adducts, water adducts, modified compounds represented by trimers, or the like, or a prepolymer of the above-mentioned urethane polyol and the above polyisocyanate compound can be used,
Further, the above monomers, modified products and prepolymers may be blended. Furthermore, blocked isocyanates such as phenol and oxime block compounds can also be used. Further, without being limited to the above, an isocyanate group (-
Any one having a plurality of NCOs) can be used.

【0020】直鎖状のジオルガノポリシロキサンは、例
えば環状シロキサンの開環重合や、オルガノクロロシラ
オン又はオルガノアルコキシランの加水分解重合等で得
られる。また、その側鎖や端末のメチル基の一部をフェ
ニル基,ビニル基,アミノ基,エポキシ基,エーテル基
等で置き換えた変性シリコンオイルでもかまわない。
The linear diorganopolysiloxane can be obtained, for example, by ring-opening polymerization of a cyclic siloxane or hydrolysis polymerization of organochlorosilaone or organoalkoxylane. In addition, a modified silicone oil in which a part of the methyl group of the side chain or the terminal is replaced with a phenyl group, a vinyl group, an amino group, an epoxy group, an ether group or the like may be used.

【0021】また、使用条件等に応じて、表面処理用組
成物に適宜硬化性シリコンオイル,変性シリコンオイ
ル,シリコンオイル及び接着付与剤,顔料,つや消剤,
触媒,各種溶剤等を併用することができる。
Further, depending on the conditions of use, etc., the surface treatment composition may be appropriately added with a curable silicone oil, a modified silicone oil, a silicone oil and an adhesion-imparting agent, a pigment, a matting agent,
A catalyst and various solvents can be used together.

【0022】上記の直鎖状のジオルガノポリシロキサン
は、実質的に塗膜形成要素となるのに十分な量が含有さ
れればよく、好ましくは硬化性ポリウレタン100重量部
に対して0.5〜100重量部添加し、更に好ましくは2〜80
重量部添加する。
The above linear diorganopolysiloxane may be contained in an amount sufficient to substantially serve as a film-forming element, and is preferably 0.5 to 100 per 100 parts by weight of curable polyurethane. Parts by weight, more preferably 2 to 80
Add by weight.

【0023】ジオルガノポリシロキサンの添加量が0.5
重量部より少ないとジオルガノポリシロキサンの添加効
果が実質的に認められないほど小さくなり、添加量が10
0重量部を超えると塗膜が弱くなる。
The amount of diorganopolysiloxane added is 0.5
If the amount is less than 10 parts by weight, the effect of adding the diorganopolysiloxane becomes so small that it is virtually unnoticeable.
If it exceeds 0 parts by weight, the coating film becomes weak.

【0024】[0024]

【実施例】本実施例においては、硬化性ポリウレタンを
主成分とする表面処理用塗料組成物をウェザーストリッ
プに塗布し、塗布後のウェザーストリップにおける動摩
擦係数、耐久性等の特性を調べた。
Example In this example, a coating composition for surface treatment containing a curable polyurethane as a main component was applied to a weather strip, and the properties such as dynamic friction coefficient and durability of the weather strip after application were examined.

【0025】まず、表1に示される配合比の組成物(比
較例1、2及び実施例1〜3)を調製した。実施例1〜
3の組成物には平均重合度6,000〜10,000のジオルガノ
ポリシロキサン(ゴム状シリコン)をそれぞれ添加した
が、比較例1、2の組成物には添加していない。
First, compositions having the compounding ratios shown in Table 1 (Comparative Examples 1 and 2 and Examples 1 to 3) were prepared. Example 1
Diorganopolysiloxane (rubber-like silicon) having an average degree of polymerization of 6,000 to 10,000 was added to the composition of Example 3, but not added to the compositions of Comparative Examples 1 and 2.

【0026】また、比較例2及び実施例1〜3には硬化
性シリコンオイル及び触媒を添加したが、比較例1には
添加していない。
Further, the curable silicone oil and the catalyst were added to Comparative Example 2 and Examples 1 to 3, but not added to Comparative Example 1.

【0027】[0027]

【表1】 [Table 1]

【0028】次に、口径1(mm)のスプレーガンを用いて
これら各種組成物をウェザーストリップに塗布し、10
0℃で10分間乾燥させた。その後に上記のように表面
処理されたウェザーストリップの動摩擦係数,耐久性,
摺動音,接触角の測定を行った。
Next, these various compositions were applied to a weather strip using a spray gun having a diameter of 1 (mm), and 10
It was dried at 0 ° C. for 10 minutes. After that, the coefficient of kinetic friction, durability, and
The sliding noise and contact angle were measured.

【0029】尚、動摩擦係数及び耐久性は、図1に示さ
れるようにガラス1とウェザーストリップ2との面圧を
10(g/mm2)に保ち、ストロークを100(mm)として1
分間に60往復の速度で摺動させて測定した。
The dynamic friction coefficient and the durability are 1 when the surface pressure between the glass 1 and the weather strip 2 is kept at 10 (g / mm 2 ) and the stroke is 100 (mm) as shown in FIG.
The measurement was performed by sliding at a speed of 60 reciprocations per minute.

【0030】摺動音は、図2に示されるようにガラス3
とウェザーストリップ4との面圧を10(g/mm2)に保
ち、ガラスの表面に水滴を付着させてストローク100
(mm)で1分間に60往復の速度で摺動させて測定した。
The sliding noise is caused by the glass 3 as shown in FIG.
Keep the surface pressure between the weather strip 4 and the weather strip 4 at 10 (g / mm 2 ) and attach water droplets to the surface of the glass to make a stroke of 100.
(mm) was measured by sliding at a speed of 60 reciprocations per minute.

【0031】動摩擦係数等の測定結果を表2にまとめて
示す。
Table 2 shows the measurement results of the dynamic friction coefficient and the like.

【0032】[0032]

【表2】 [Table 2]

【0033】この表に示されるように、組成物にゴム状
シリコン及び硬化性シリコンオイルを添加しなかった比
較例1は同摩擦係数は0.1(kg)と小さいものの、耐久性
が低いうえに摺動音が大きい。
As shown in this table, Comparative Example 1 in which the rubber-like silicone and the curable silicone oil were not added to the composition had a small friction coefficient of 0.1 (kg), but had a low durability and a low sliding property. The noise is loud.

【0034】また、比較例2は耐久性が低く摺動音も発
生するうえに動摩擦係数も0.45と大きい。
Further, Comparative Example 2 has low durability, generates sliding noise, and has a large dynamic friction coefficient of 0.45.

【0035】一方、実施例1〜3は同摩擦係数が0.15〜
0.3といずれも小さく、また30,000〜40,000回の摺動に
も耐えられるので、耐久性も高い。更に、摺動音も小さ
く、特に実施例2、3で良好な結果が得られている。
On the other hand, Examples 1 to 3 have the same friction coefficient of 0.15 to
It is as small as 0.3 and can withstand sliding of 30,000-40,000 times, so it has high durability. Further, the sliding noise was small, and particularly good results were obtained in Examples 2 and 3.

【0036】更に、図3に示すように、ウェザーストリ
ップ上の塗膜と水との接触角、及び塗膜と摺動後のガラ
スと水との接触角をそれぞれ測定した。その結果を併せ
て表2に示す。
Further, as shown in FIG. 3, the contact angle between the coating film on the weather strip and water, and the contact angle between the coating film and the glass and water after sliding were measured. The results are also shown in Table 2.

【0037】表2に示されるように、ゴム状シリコンを
添加していない塗料(比較例1、2)と摺動したガラス
は水との接触角が20度程度と小さく、ガラスには撥水
性が殆ど付与されていない。
As shown in Table 2, the glass sliding with the coating material containing no rubbery silicon (Comparative Examples 1 and 2) had a small contact angle with water of about 20 degrees, and the glass had water repellency. Is hardly given.

【0038】これに対し、ゴム状シリコンを添加した塗
料(実施例1〜3)と摺動したガラスは水との接触角が
40〜64度と大きくなっている。これらのことから、
塗膜を形成したウェザーストリップと摺動したガラスに
は撥水性が生じていることが示される。
On the other hand, the glass sliding with the coating material containing rubber-like silicon (Examples 1 to 3) has a large contact angle with water of 40 to 64 degrees. from these things,
It is shown that the glass sliding on the coated weather strip has water repellency.

【0039】これは、ウェザーストリップ上に形成され
た塗膜表面に露出したゴム状シリコンが、摺動対象とな
るガラスに転写されて被膜を形成することに起因すると
考えられる。
It is considered that this is because the rubber-like silicon exposed on the surface of the coating film formed on the weather strip is transferred to the glass to be slid to form a film.

【0040】ガラス上にゴム状シリコンの被膜が形成さ
れることで、実質的には水はゴム状シリコンと接触する
ことになり、接触角が大きくなっている。
By forming the rubber-like silicon film on the glass, water substantially comes into contact with the rubber-like silicon, and the contact angle is increased.

【0041】このように、ゴム状シリコンを添加した実
施例1〜3の組成物で形成された塗膜は、摩擦係数が小
さく耐久性に優れているうえに、摩擦音も発生し難いと
いう優れた特性を有し、特にウェザーストリップ用の表
面処理剤として有用である。
As described above, the coating films formed from the compositions of Examples 1 to 3 to which the rubber-like silicon was added were excellent in that the coefficient of friction was small and the durability was excellent, and the frictional noise was hardly generated. It has characteristics and is particularly useful as a surface treatment agent for weather strips.

【0042】[0042]

【発明の効果】以上説明したように、本発明によれば高
分子弾性体表面に形成される塗膜の摩擦係数が低下する
ので、ウレタン膜の摩耗が少なくなり耐久性が向上す
る。
As described above, according to the present invention, the coefficient of friction of the coating film formed on the surface of the elastic polymer is lowered, so that the abrasion of the urethane film is reduced and the durability is improved.

【0043】また、塗膜表面に露出したゴム状シリコン
はガラス等の摺動対象面にも転写されるので、ガラス側
は常にドライ状態となって撥水性が生じ、一層摩擦係数
が小さくなる。
Further, since the rubber-like silicon exposed on the surface of the coating film is also transferred onto the sliding surface such as glass, the glass side is always in a dry state to cause water repellency and the friction coefficient is further reduced.

【0044】尚、添加剤は分子量が高いので、ガラスへ
転写したゴム状シリコンは除去されずらく、摩擦係数を
長期にわたって低く維持することができる。
Since the additive has a high molecular weight, it is difficult to remove the rubber-like silicon transferred to the glass, and the friction coefficient can be kept low for a long period of time.

【図面の簡単な説明】[Brief description of drawings]

【図1】耐久試験の説明図。FIG. 1 is an explanatory diagram of a durability test.

【図2】摺動の測定方法の説明図。FIG. 2 is an explanatory diagram of a sliding measuring method.

【図3】水と塗膜との接触角の説明図。FIG. 3 is an explanatory diagram of a contact angle between water and a coating film.

【符号の説明】[Explanation of symbols]

1…高分子弾性体 2…ガラス 3…ガラス 4…ウェザーストリップ 1 ... Polymer elastic body 2 ... Glass 3 ... Glass 4 ... Weather strip

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 硬化性ポリウレタン100重量部に対し
て、平均重合度6,000〜10,000のジオルガノポリシロキ
サンを0.5〜100重量部含有することを特徴とする高分子
弾性体の表面処理用塗料組成物。
1. A coating composition for surface treatment of a polymeric elastomer, which comprises 0.5 to 100 parts by weight of diorganopolysiloxane having an average degree of polymerization of 6,000 to 10,000 per 100 parts by weight of curable polyurethane. .
JP01631295A 1994-12-19 1995-02-03 Coating composition for surface treatment of polymer elastics Expired - Fee Related JP3461605B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP01631295A JP3461605B2 (en) 1994-12-19 1995-02-03 Coating composition for surface treatment of polymer elastics
US08/637,388 US5844051A (en) 1995-02-03 1996-04-25 Coating composition for high-molecular weight elastic body
GB9608725A GB2312428B (en) 1995-02-03 1996-04-26 Coating composition for high-molecular elastic body

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP6-314380 1994-12-19
JP31438094 1994-12-19
JP01631295A JP3461605B2 (en) 1994-12-19 1995-02-03 Coating composition for surface treatment of polymer elastics
US08/637,388 US5844051A (en) 1995-02-03 1996-04-25 Coating composition for high-molecular weight elastic body
GB9608725A GB2312428B (en) 1995-02-03 1996-04-26 Coating composition for high-molecular elastic body

Publications (2)

Publication Number Publication Date
JPH08225670A true JPH08225670A (en) 1996-09-03
JP3461605B2 JP3461605B2 (en) 2003-10-27

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