JPH0330623B2 - - Google Patents
Info
- Publication number
- JPH0330623B2 JPH0330623B2 JP18408883A JP18408883A JPH0330623B2 JP H0330623 B2 JPH0330623 B2 JP H0330623B2 JP 18408883 A JP18408883 A JP 18408883A JP 18408883 A JP18408883 A JP 18408883A JP H0330623 B2 JPH0330623 B2 JP H0330623B2
- Authority
- JP
- Japan
- Prior art keywords
- weight
- parts
- rubber composition
- rubber
- glass
- 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.)
- Expired
Links
- 229920001971 elastomer Polymers 0.000 claims description 33
- 239000005060 rubber Substances 0.000 claims description 33
- 239000000203 mixture Substances 0.000 claims description 29
- 239000000843 powder Substances 0.000 claims description 11
- 229920002545 silicone oil Polymers 0.000 claims description 10
- 229920002725 thermoplastic elastomer Polymers 0.000 claims description 9
- 229920000098 polyolefin Polymers 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 229920003052 natural elastomer Polymers 0.000 claims description 3
- 229920001194 natural rubber Polymers 0.000 claims description 3
- 229920003051 synthetic elastomer Polymers 0.000 claims description 3
- 239000005061 synthetic rubber Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 description 17
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 14
- 238000012360 testing method Methods 0.000 description 13
- 239000000463 material Substances 0.000 description 10
- 238000005299 abrasion Methods 0.000 description 9
- 229910052742 iron Inorganic materials 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 4
- 229920002943 EPDM rubber Polymers 0.000 description 3
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 3
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- BXKDSDJJOVIHMX-UHFFFAOYSA-N edrophonium chloride Chemical compound [Cl-].CC[N+](C)(C)C1=CC=CC(O)=C1 BXKDSDJJOVIHMX-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001634 Copolyester Polymers 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Description
技術分野
本発明は摩擦抵抗が小さく、耐摩耗性に優れ、
ガラスや塗装板金と固着しにくいゴム組成物に関
するものである。
従来技術
一般に、グラスラン、グラスアウター等の自動
車用ウエザーストリツプは、ゴムの弾性及び水密
性を生かしかつガラスとの摺動抵抗及び固着力を
低下させて窓の開閉に要する動力を軽減する必要
がある。そのため、従来ナイロン短繊維の静電植
毛やウレタン系塗料の塗布等何らかのゴムの表面
処理を行うのが一般的であつたが工程が複雑であ
るという欠陥があつた。
発明の目的
本発明は上記従来技術に存する欠陥を解消する
ために成されたものであつて、そのの目的はシー
ル性が良好で摩擦係数が小さく、耐摩耗性に優
れ、しかもガラス塗装板金等の他部材との固着力
が小さく、後処理をすることなく製品を得ること
ができるゴム組成物を提供することにある。
発明の構成
本発明は上記目的を達成するため、100重量部
の天然又は合成ゴムと、１〜200重量部のシリコ
ーンオイルと、１〜300重量部のふつ素樹脂パウ
ダーと、１〜150重量部の熱可塑性エラストマー
とにより特定発明のゴム組成物を構成している。
さらに、前述した特定発明の構成に対し１〜150
重量部の融点150℃以下のポリオレフインを加え
ることにより改良発明のゴム組成物を構成してい
る。
そこで、前述した各成分の構成、特性あるいは
配合量等について詳細に説明する。
最初に組成の主成分であるゴムについて述べる
と、これはEPDMゴムの他、SBR、NBR、NR、
CR、IIR、UR等を用いても良く特に限定されな
い。
次に、シリコーンオイルについて述べると、こ
れはゴム組成物の潤滑性を向上させるためのもの
であり、１重量部以下では潤滑性の改善に顕著な
効果が現われずすなわち摩擦係数が高くなり、反
対に200重量部以上では加工性が低下するので、
10〜80重量部が最適である。
又、ふつ素樹脂パウダーは押し出し成形した場
合ゴム組成物の表面を適度に粗くして摩擦係数を
小さくする作用があるが、これは１重量部以下で
は効果が小さく、300重量部以上では分離し易く
なつて成形できず、20〜100重量部が望ましい。
次に、熱可塑性エラストマーにはスチレン系、
ウレタン系、コポリエステル系及びナイロン系等
があり、ゴム組成物中へ添加することによつて組
成物中の各成分を結合する力が増加し、耐摩耗性
を向上させる。そして、150重量部以上では加工
性並びに外観が悪くなり、５〜80重量部が望まし
い。
融点150℃以下のポリオレフインには、低分子
量のポリエチレン、低分子量のポリプロピレン、
低分子量のポリエチレンとポリプロピレンの共重
合体及びワツクス類等がある。このポリオレフイ
ンはゴム組成物の潤滑性を増し、分散加工性、耐
摩耗性及び強度を増加する作用がある。150重量
部以上では加工性、外観及び伸びが悪くなり、５
〜100重量部が最適である。
発明の効果
以上のように構成されたゴム組成物は従来の表
面処理技術と比較して大幅に工程を簡素化でき
る。すなわち、架橋後いかなる表面処理も不要に
なり、生産性が大幅に向上する。さらに、後述す
る各実施例から明らかなように、摩擦係数が小さ
く、耐摩耗性に優れ、しかもガラスや塗装板金等
の他部材との固着力が小さいという効果がある。
従つて、例えばグラスラン、グラスアウター等の
自動車用のウエザーストリツプに好適である。
実施例
ここで、実施例について説明する前に前述した
摩擦係数、耐摩耗性及び固着力の測定方法につい
て説明する。
まず、摩擦係数の測定は、厚さ２mmのEPDM
ゴム基材の表面にゴム組成物をコーテイングして
厚さ0.3mmの塗膜を形成したシートから一辺が50
mmの正方形をなす試験片２を用意する。そして、
第１図に示すように鉄板１の下面に対し両面テー
プにより試験片２のゴム基材２ａ側を接着し、該
試験片２の塗膜２ｂ側をガラス板３の上面に載置
し、重り４によつて鉄板１上に荷重を加える。そ
して、鉄板１に止着したワイヤー５を図示しない
テンシロン型引張試験機により毎分100mmの速度
で引張つて測定される。このとき、重り４の重量
Ｗ１と、鉄板１の重量Ｗ２と、両面テープの重量
Ｗ３とを加算したものが１Kgになるように設定さ
れている。なお、ガラス板３の上面は測定の都度
トリクロルエチレンを用いて脱脂洗浄される。
ゴム組成物の耐摩耗性は、振子型摩耗試験機
（図示略）によつて行なわれ、この摩耗子として
第２図に示すように幅20mm、厚さ５mm、先端の半
径が10mmのガラス摩耗子６が使用される。上記試
験機により耐摩耗性試験を行なうには、まず厚さ
２mmのゴム基材に厚さ0.3mmの被試験ゴム組成物
をコーテイングして形成したシートから縦150mm、
幅10mmに形成した試験片を用意し、この試験片の
塗膜側に摩耗子６を押圧し荷重３Kgにて往復摺動
（ストローク100mm、速度１回／sec）させゴム基
材が露出するまでの往復摺動回数によつて測定さ
れる。
ゴム組成物と他部材との固着力を測定する装置
は第３図及び第４図に示すようにガラス固定治具
７と、これに嵌合されたガラス板８と、該ガラス
板８上面に載置される試験片９（試験片２と同じ
もの）ゴム基材９ａ側に両面テープにより接着さ
れる鉄板１０（縦60mm、横60mm、厚さ２mm）と、
さらに前記鉄板１０上面に載置されかつワイヤー
１１を介して図示しないテンシンロンに接続され
た引張用治具１２とにより構成されている。
上記測定装置を用いて固着力を測定するには、
まず、試験片のゴム基材９ａ側を両面テープによ
り鉄板１０に接着する。そして、この試験片９の
塗膜９ｂ側を水滴をたらしたガラス板８上面に接
触させ鉄板１０上に３Kgの重り（図示略）を載せ
る。この状態のまま80℃の恒温槽中に１時間放置
する。さらに、恒温槽から取り出し室温中に30分
放置した後、前記重りを取り去り、テンシロン
（図示略）によるワイヤー１１を介して引張用治
具１２を引張る。このときの最大荷重（Kg）を固
着力とする。
次に、本発明の各実施例と対比される比較例を
表１及び表２に基いて説明する。表１は比較例１
〜７のそれぞれの組成及び各成分の重量部を表わ
し、空欄は該当成分が無いことを意味する。
又、、表２は各比較例１〜７を試験した評価結
果を示す。これによれば、いずれの比較例１〜７
も摩擦係数、耐摩耗性及び固着力の３つの性質全
てを満足するものはない。
Technical field The present invention has low frictional resistance and excellent wear resistance.
This relates to a rubber composition that does not easily adhere to glass or painted sheet metal. Conventional technology In general, automotive weather strips such as glass runs and glass outerwear need to take advantage of the elasticity and watertightness of rubber and reduce the sliding resistance and adhesion force with the glass to reduce the power required to open and close the window. There is. For this reason, it has conventionally been common practice to perform some kind of surface treatment on the rubber, such as electrostatic flocking of short nylon fibers or application of urethane paint, but this has the drawback of being a complicated process. Purpose of the Invention The present invention has been made to eliminate the deficiencies existing in the above-mentioned prior art.The purpose of the present invention is to provide good sealing performance, a low coefficient of friction, excellent wear resistance, and to provide glass-coated sheet metal etc. The object of the present invention is to provide a rubber composition that has a low adhesion force to other members and can be used as a product without post-treatment. Structure of the Invention In order to achieve the above object, the present invention comprises 100 parts by weight of natural or synthetic rubber, 1 to 200 parts by weight of silicone oil, 1 to 300 parts by weight of fluororesin powder, and 1 to 150 parts by weight. The rubber composition of the specific invention is composed of a thermoplastic elastomer and a thermoplastic elastomer.
Furthermore, 1 to 150 for the configuration of the specified invention mentioned above.
The rubber composition of the improved invention is constituted by adding a polyolefin having a melting point of 150° C. or lower in parts by weight. Therefore, the structure, characteristics, blending amount, etc. of each of the above-mentioned components will be explained in detail. First, let's talk about rubber, which is the main component of the composition.In addition to EPDM rubber, this includes SBR, NBR, NR,
CR, IIR, UR, etc. may be used without particular limitation. Next, regarding silicone oil, it is used to improve the lubricity of rubber compositions, and if it is less than 1 part by weight, it will not have a significant effect on improving lubricity, that is, the coefficient of friction will increase, and it will be the opposite. If it exceeds 200 parts by weight, processability will decrease.
10-80 parts by weight is optimal. Furthermore, when extrusion molded, fluorine resin powder has the effect of making the surface of the rubber composition moderately rough and reducing the coefficient of friction, but this effect is small if it is less than 1 part by weight, and if it is more than 300 parts by weight, it will not separate. The amount is preferably 20 to 100 parts by weight since it becomes easy to mold. Next, thermoplastic elastomers include styrene,
There are urethane-based, copolyester-based, nylon-based, etc., and when added to a rubber composition, the force that binds each component in the composition increases, improving wear resistance. If it exceeds 150 parts by weight, processability and appearance will deteriorate, so 5 to 80 parts by weight is desirable. Polyolefins with a melting point of 150℃ or less include low molecular weight polyethylene, low molecular weight polypropylene,
These include low molecular weight polyethylene and polypropylene copolymers and waxes. This polyolefin has the effect of increasing the lubricity, dispersion processability, abrasion resistance and strength of the rubber composition. If it exceeds 150 parts by weight, processability, appearance and elongation will deteriorate, and
~100 parts by weight is optimal. Effects of the Invention The rubber composition configured as described above can greatly simplify the process compared to conventional surface treatment techniques. That is, no surface treatment of any kind is required after crosslinking, greatly improving productivity. Further, as is clear from the examples described later, the material has a small coefficient of friction, excellent wear resistance, and has a small adhesion force to other members such as glass and painted sheet metal.
Therefore, it is suitable for automotive weather strips such as glass runs and glass outerwear. Examples Before describing examples, methods for measuring the friction coefficient, wear resistance, and adhesion force described above will be described. First, the friction coefficient was measured using 2 mm thick EPDM.
A sheet with a side of 50 mm is made by coating the surface of a rubber base material with a rubber composition to form a coating film with a thickness of 0.3 mm.
A test piece 2 having a square shape of mm is prepared. and,
As shown in FIG. 1, the rubber base material 2a side of the test piece 2 is adhered to the lower surface of the iron plate 1 with double-sided tape, and the coated film 2b side of the test piece 2 is placed on the upper surface of the glass plate 3. A load is applied on the iron plate 1 by 4. Then, the wire 5 fixed to the iron plate 1 is pulled at a speed of 100 mm per minute using a Tensilon type tensile tester (not shown) and measured. At this time, it is set so that the sum of the weight W1 of the weight 4, the weight W2 of the iron plate 1, and the weight W3 of the double-sided tape is 1 kg. Note that the upper surface of the glass plate 3 is degreased and cleaned using trichlorethylene every time a measurement is performed. The abrasion resistance of the rubber composition was tested using a pendulum type abrasion tester (not shown), and the abrasion element was a glass abrasion element with a width of 20 mm, a thickness of 5 mm, and a radius of 10 mm at the tip, as shown in Figure 2. Child 6 is used. To conduct an abrasion resistance test using the above testing machine, first coat a 2 mm thick rubber base material with a 0.3 mm thick rubber composition to be tested, then start with a sheet 150 mm long.
Prepare a test piece formed to a width of 10 mm, press the abrasion element 6 against the coating side of this test piece, and slide it back and forth with a load of 3 kg (stroke 100 mm, speed 1 time/sec) until the rubber base material is exposed. It is measured by the number of reciprocating slides. As shown in FIGS. 3 and 4, the device for measuring the adhesion force between the rubber composition and other members includes a glass fixing jig 7, a glass plate 8 fitted to the jig 7, and a glass plate 8 fitted on the upper surface of the glass plate 8. Test piece 9 to be placed (same as test piece 2) A steel plate 10 (length 60 mm, width 60 mm, thickness 2 mm) adhered to the rubber base material 9a side with double-sided tape,
Furthermore, it is comprised of a tensioning jig 12 placed on the upper surface of the iron plate 10 and connected to a tensile strength (not shown) via a wire 11. To measure the adhesion force using the above measuring device,
First, the rubber base material 9a side of the test piece is adhered to the iron plate 10 using double-sided tape. Then, the coated film 9b side of this test piece 9 was brought into contact with the upper surface of the glass plate 8 on which water droplets were dropped, and a 3 kg weight (not shown) was placed on the iron plate 10. Leave this state in a constant temperature bath at 80°C for 1 hour. Furthermore, after taking it out of the constant temperature bath and leaving it at room temperature for 30 minutes, the weight was removed and the tensioning jig 12 was pulled through the wire 11 made of Tensilon (not shown). The maximum load (Kg) at this time is taken as the fixing force. Next, comparative examples to be compared with each example of the present invention will be explained based on Tables 1 and 2. Table 1 is Comparative Example 1
The compositions and parts by weight of each component are shown in Tables 1 to 7, and a blank column means that there is no corresponding component. Moreover, Table 2 shows the evaluation results of testing each of Comparative Examples 1 to 7. According to this, any of Comparative Examples 1 to 7
However, there is no material that satisfies all three properties of friction coefficient, wear resistance, and adhesion.
【表】【table】
【表】【table】
【表】
次に表３及び表４に基づいて本発明の実施例１
〜３を説明する。なお、表３、４中（ ）を付し
たものは熱可塑性エラストマーとしてウレタンの
代わりにナイロンを使用した場合を示す。
実施例１は表３から明らかなようにEPDMゴ
ム基材にシリコーンオイル、ふつ素樹脂パウダー
及び熱可塑性エラストマーを加えた特定発明のゴ
ム組成物を示す。この実施例１は表４から明らか
なように前述した比較例１〜７と異なり摩擦係
数、耐摩耗性及び固着力の３つを全て満足してい
る。
又、実施例２は前記実施例１の成分に低融点ポ
リオレフインを配合した改良発明のゴム組成物を
示す。これは表４に示すように実施例１と比較し
て摩擦係数及び固着力が小さくなり、より優れた
性質を有する。
さらに、実施例３は前述した実施例２の成分に
対し、本発明の必須要件でないが、二硫化モリブ
テンを配合したものである。この二硫化モリブデ
ンはゴム組成物の潤滑性を向上させることができ
るが、200重量部以上では練生地がボロボロにな
り成形不能である。また、低分子量のシリコーン
オイルを用いる場合耐候性試験後ゴム組成物の表
面の潤滑性の低下が著しいが、この二硫化モリブ
デンを添加することによつて潤滑性が確保され
る。さらに、被復などとの摩擦による汚れが問題
となる場合には、添加量を少量にする必要があ
り、10〜100重量部が最適である。
この実施例３は表４のように実施例２と比較し
て摩擦係数及び固着力が低下し、より優れた性質
を呈した。[Table] Next, based on Tables 3 and 4, Example 1 of the present invention
-3 will be explained. In Tables 3 and 4, the numbers in parentheses indicate cases where nylon was used instead of urethane as the thermoplastic elastomer. As is clear from Table 3, Example 1 shows a rubber composition of a specific invention in which silicone oil, fluororesin powder, and thermoplastic elastomer were added to an EPDM rubber base material. As is clear from Table 4, this Example 1, unlike the Comparative Examples 1 to 7 described above, satisfies all three of the friction coefficient, wear resistance, and adhesion strength. Further, Example 2 shows a rubber composition of an improved invention in which a low melting point polyolefin is blended with the components of Example 1. As shown in Table 4, compared to Example 1, this has a smaller coefficient of friction and a smaller adhesion force, and has better properties. Furthermore, in Example 3, molybdenum disulfide was added to the components of Example 2, although it is not an essential requirement of the present invention. This molybdenum disulfide can improve the lubricity of the rubber composition, but if it exceeds 200 parts by weight, the kneaded dough becomes crumbly and cannot be molded. Furthermore, when a low molecular weight silicone oil is used, the lubricity of the surface of the rubber composition is significantly reduced after the weathering test, but the lubricity is ensured by adding this molybdenum disulfide. Furthermore, if staining due to friction with the regenerating material becomes a problem, the amount added needs to be small, and the optimum amount is 10 to 100 parts by weight. As shown in Table 4, this Example 3 had lower friction coefficient and adhesion force than Example 2, and exhibited better properties.
【表】【table】
【表】
次に、前記実施例１の各成分のうち、シリコー
ンオイル、ふつ素樹脂パウダーあるいは熱可塑性
エラストマーを変量した場合の実施例４〜12を表
５〜表７に基づいて説明する。
表５に示す実施例４〜６はシリコーンオイルの
添加量を変更し、ふつ素樹脂パウダー及び熱可塑
性ウレタン等は前述の実施例１と同一配合とした
ものである。表５に示すように、シリコーンオイ
ルの添加量が10〜70重量部程度であればゴム組成
物の特性は良好である。
表６はふつ素樹脂パウダーの添加量を変更した
実施例７〜９を示す。なお、ふつ素樹脂パウダー
以外の各成分配合は実施例１と同様である。この
表６から明らかなように、ふつ素樹脂パウダーの
添加範囲が25〜100重量部であれば、ゴム組成物
の性質は優れたものとなる。
表７は熱可塑性ウレタンの添加量を変更した実
施例10〜12を示す。なお、この熱可塑性ウレタン
以外の各成分配合は前述した実施例１と同じであ
る。この表か明らかなように、熱可塑性ウレタン
の添加範囲が５〜60重量部であれば、ゴム組成物
の特性は優れたものとなる。[Table] Next, Examples 4 to 12 in which silicone oil, fluororesin powder, or thermoplastic elastomer were varied among the components of Example 1 will be described based on Tables 5 to 7. In Examples 4 to 6 shown in Table 5, the amount of silicone oil added was changed, and the fluororesin powder, thermoplastic urethane, etc. were the same as in Example 1. As shown in Table 5, when the amount of silicone oil added is about 10 to 70 parts by weight, the properties of the rubber composition are good. Table 6 shows Examples 7 to 9 in which the amount of fluororesin powder added was changed. The formulation of each component other than the fluororesin powder is the same as in Example 1. As is clear from Table 6, when the fluororesin powder is added in an amount of 25 to 100 parts by weight, the rubber composition has excellent properties. Table 7 shows Examples 10 to 12 in which the amount of thermoplastic urethane added was changed. The composition of each component other than this thermoplastic urethane is the same as in Example 1 described above. As is clear from this table, when the addition range of thermoplastic urethane is 5 to 60 parts by weight, the properties of the rubber composition are excellent.
【表】【table】
【表】【table】
【表】【table】
【表】
さらに、改良発明の別の実施例13〜18を表８に
示し、それらの評価結果を表９に示す。[Table] Further, Table 8 shows other Examples 13 to 18 of the improved invention, and Table 9 shows their evaluation results.
【表】【table】
【表】
最後に、前述した実施例１〜18に使用された各
成分の具体例を表10に示す。[Table] Finally, Table 10 shows specific examples of each component used in Examples 1 to 18 described above.
【表】【table】
第１図は摩擦係数の測定方法を説明するための
正面図、第２図は振子型摩耗試験機に用いられる
ガラス摩耗子の斜視図、第３図は固着力の測定装
置を示す正面図、第４図は同じく平面図である。
Fig. 1 is a front view for explaining the method of measuring the coefficient of friction, Fig. 2 is a perspective view of a glass abrasion element used in a pendulum type abrasion tester, and Fig. 3 is a front view showing a device for measuring adhesion force. FIG. 4 is also a plan view.
Claims (1)
量部のシリコーンオイルと、１〜300重量部のふ
つ素樹脂パウダーと、１〜150重量部の熱可塑性
エラストマーとにより構成したことを特徴とする
ゴム組成物。 ２ シリコーンオイルは10〜80重量部、ふつ素樹
脂パウダーは20〜100重量部、熱可塑性エラスト
マーは５〜80重量部である特許請求の範囲の範囲
第１項記載のゴム組成物。 ３ 100重量部の天然又は合成ゴムと、１〜200重
量部のシリコーンオイルと、１〜300重量部のふ
つ素樹脂パウダーと、１〜150重量部の熱可塑性
エラストマーと、さらに１〜150重量部の融点150
℃以下のポリオレフインとにより構成したことを
特徴とするゴム組成物。 ４ 融点150℃以下のポリオレフインは、５〜100
重量部である特許請求の範囲第３項記載のゴム組
成物。[Claims] 1. 100 parts by weight of natural or synthetic rubber, 1 to 200 parts by weight of silicone oil, 1 to 300 parts by weight of fluororesin powder, and 1 to 150 parts by weight of thermoplastic elastomer. A rubber composition comprising: 2. The rubber composition according to claim 1, wherein the silicone oil is 10 to 80 parts by weight, the fluororesin powder is 20 to 100 parts by weight, and the thermoplastic elastomer is 5 to 80 parts by weight. 3. 100 parts by weight of natural or synthetic rubber, 1 to 200 parts by weight of silicone oil, 1 to 300 parts by weight of fluororesin powder, 1 to 150 parts by weight of thermoplastic elastomer, and further 1 to 150 parts by weight. melting point of 150
A rubber composition characterized in that it is composed of a polyolefin having a temperature of 0.degree. C. or less. 4 Polyolefins with a melting point of 150℃ or less are 5 to 100
The rubber composition according to claim 3, which is in parts by weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18408883A JPS6076545A (en) | 1983-09-30 | 1983-09-30 | Rubber composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18408883A JPS6076545A (en) | 1983-09-30 | 1983-09-30 | Rubber composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6076545A JPS6076545A (en) | 1985-05-01 |
| JPH0330623B2 true JPH0330623B2 (en) | 1991-05-01 |
Family
ID=16147184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18408883A Granted JPS6076545A (en) | 1983-09-30 | 1983-09-30 | Rubber composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6076545A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2308598A (en) * | 1995-12-29 | 1997-07-02 | Shell Int Research | Dispersed polymer blend |
| KR100334429B1 (en) * | 1999-06-23 | 2002-05-03 | 김윤섭 | A rubber roll composition for mechanism of iron foundry |
-
1983
- 1983-09-30 JP JP18408883A patent/JPS6076545A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6076545A (en) | 1985-05-01 |
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