JP3293177B2 - Chloroprene rubber composition - Google Patents
Chloroprene rubber compositionInfo
- Publication number
- JP3293177B2 JP3293177B2 JP17939292A JP17939292A JP3293177B2 JP 3293177 B2 JP3293177 B2 JP 3293177B2 JP 17939292 A JP17939292 A JP 17939292A JP 17939292 A JP17939292 A JP 17939292A JP 3293177 B2 JP3293177 B2 JP 3293177B2
- Authority
- JP
- Japan
- Prior art keywords
- chloroprene rubber
- rubber composition
- silicone oil
- rubber
- dust cover
- 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 - Fee Related
Links
- 229920001084 poly(chloroprene) Polymers 0.000 title claims description 18
- 239000000203 mixture Substances 0.000 title claims description 11
- 229920001971 elastomer Polymers 0.000 claims description 10
- 239000000428 dust Substances 0.000 claims description 9
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 7
- 229920002545 silicone oil Polymers 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 7
- 238000004073 vulcanization Methods 0.000 description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000012188 paraffin wax Substances 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 239000001993 wax Substances 0.000 description 3
- OUBMGJOQLXMSNT-UHFFFAOYSA-N N-isopropyl-N'-phenyl-p-phenylenediamine Chemical compound C1=CC(NC(C)C)=CC=C1NC1=CC=CC=C1 OUBMGJOQLXMSNT-UHFFFAOYSA-N 0.000 description 2
- 241000282320 Panthera leo Species 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 235000021355 Stearic acid Nutrition 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 2
- 229920003216 poly(methylphenylsiloxane) Polymers 0.000 description 2
- 229920001083 polybutene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 239000008117 stearic acid Substances 0.000 description 2
- OXFSTTJBVAAALW-UHFFFAOYSA-N 1,3-dihydroimidazole-2-thione Chemical compound SC1=NC=CN1 OXFSTTJBVAAALW-UHFFFAOYSA-N 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- PFBWBEXCUGKYKO-UHFFFAOYSA-N ethene;n-octadecyloctadecan-1-amine Chemical compound C=C.CCCCCCCCCCCCCCCCCCNCCCCCCCCCCCCCCCCCC PFBWBEXCUGKYKO-UHFFFAOYSA-N 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000004898 kneading Methods 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- FTQWRYSLUYAIRQ-UHFFFAOYSA-N n-[(octadecanoylamino)methyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCNC(=O)CCCCCCCCCCCCCCCCC FTQWRYSLUYAIRQ-UHFFFAOYSA-N 0.000 description 1
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 1
- FATBGEAMYMYZAF-KTKRTIGZSA-N oleamide Chemical compound CCCCCCCC\C=C/CCCCCCCC(N)=O FATBGEAMYMYZAF-KTKRTIGZSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- DVQHRBFGRZHMSR-UHFFFAOYSA-N sodium methyl 2,2-dimethyl-4,6-dioxo-5-(N-prop-2-enoxy-C-propylcarbonimidoyl)cyclohexane-1-carboxylate Chemical compound [Na+].C=CCON=C(CCC)[C-]1C(=O)CC(C)(C)C(C(=O)OC)C1=O DVQHRBFGRZHMSR-UHFFFAOYSA-N 0.000 description 1
- KUAZQDVKQLNFPE-UHFFFAOYSA-N thiram Chemical compound CN(C)C(=S)SSC(=S)N(C)C KUAZQDVKQLNFPE-UHFFFAOYSA-N 0.000 description 1
- 229960002447 thiram Drugs 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、クロロプレンゴム組成
物に関する。更に詳しくは、ボールジョイントに組み込
まれるダストカバー成形用に好適に用いられるクロロプ
レンゴム組成物に関する。The present invention relates to a chloroprene rubber composition. More specifically, the present invention relates to a chloroprene rubber composition suitably used for forming a dust cover incorporated in a ball joint.
【０００２】[0002]
【従来の技術】通常、ゴムの加硫成形品の表面は、1.0
以上の摩擦係数を有している。ボールジョイントに組み
込まれるダストカバー用として用いられているクロロプ
レンゴムの加硫成形品についても、同様に摩擦係数が大
きく、クロロプレンゴム製ダストカバーをボールジョイ
ントに組み込むとき、ダストカバーのリップとボールジ
ョイントのシャフトとの間あるいはダストカバーのスカ
ート部(固定部)とボールジョイントのボールシートとの
間の滑り抵抗が大きく、組立て性が悪いという問題がみ
られる。2. Description of the Related Art Normally, the surface of a vulcanized molded product of rubber is 1.0
It has the above friction coefficient. Similarly, the vulcanized molded product of chloroprene rubber used for dust covers incorporated in ball joints has a large coefficient of friction.When a chloroprene rubber dust cover is incorporated in a ball joint, the lip of the dust cover and the ball joint There is a problem that the sliding resistance between the shaft or the skirt portion (fixed portion) of the dust cover and the ball seat of the ball joint is large, and the assembling property is poor.
【０００３】この組立て性が悪いと、組立ての自動化が
困難となり、ボールジョイントの生産性の向上を図るこ
とができない。このような問題点を解決するために、パ
ラフィン、高級脂肪酸アミド、ポリエチレンワックスな
どをクロロプレンゴム組成物中に配合し、加硫成形品の
ゴム表面にそれらをブリードさせることによって、ゴム
表面の摩擦抵抗を低下させる方法が採られているが、十
分にその目的を達成させることができなかったり、ある
いは加硫前の生地の状態で表面へブルームし、金属や樹
脂成形品などとの加硫接着性を低下させるなどの不具合
がみられた。[0003] If the assembling property is poor, it is difficult to automate the assembling, and it is not possible to improve the productivity of the ball joint. In order to solve such problems, paraffin, higher fatty acid amide, polyethylene wax, etc. are blended in the chloroprene rubber composition and bleed them on the rubber surface of the vulcanized molded product, so that the frictional resistance of the rubber surface is reduced. Has been adopted, but it is not possible to achieve its purpose sufficiently, or it blooms on the surface in the state of the cloth before vulcanization, and vulcanization adhesion with metals and resin molded products Problems such as lowering
【０００４】[0004]
【発明が解決しようとする課題】本発明の目的は、ボー
ルジョイントに組み込まれるダストカバー成形用として
好適に用いられ、改良された加硫接着性および表面摩擦
係数を有する加硫成形品を与え得るクロロプレンゴム組
成物を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a vulcanization molding having an improved vulcanization adhesion and a surface friction coefficient, which is suitably used for molding a dust cover incorporated in a ball joint. An object of the present invention is to provide a chloroprene rubber composition capable of giving a product.
【０００５】[0005]
【課題を解決するための手段】かかる本発明の目的は、
クロロプレンゴムに分子中にフェニル基を有するシリコ
ーン油を添加したクロロプレンゴム組成物によって達成
される。SUMMARY OF THE INVENTION The object of the present invention is as follows.
This is achieved by a chloroprene rubber composition in which a silicone oil having a phenyl group in a molecule is added to the chloroprene rubber.
【０００６】分子中にフェニル基を有するシリコーン油
としては、末端がアルキル基でブロックされたポリシロ
キサンであって、モノマー単位中に少なくとも１個のフ
ェニル基を有する油状重合体が用いられる。このフェニ
ルシリコーン油は、粘度(25℃)が約50〜10000cst、好ま
しくは約100〜1000cstのものが、クロロプレンゴム100
重量部に対し約0.5〜10重量部、好ましくは約1〜5重量
部の割合で用いられる。これ以下の添加割合では、本発
明の所期の目的が達成されず、一方これ以上の割合で添
加されると、強度、接着性、加工性などが損われるよう
になり好ましくない。[0006] As the silicone oil having a phenyl group in the molecule, an oily polymer which is a polysiloxane having a terminal blocked with an alkyl group and has at least one phenyl group in a monomer unit is used. This phenyl silicone oil has a viscosity (25 ° C.) of about 50 to 10,000 cst, preferably about 100 to 1000 cst, and is preferably chloroprene rubber 100.
It is used in an amount of about 0.5 to 10 parts by weight, preferably about 1 to 5 parts by weight, based on parts by weight. If the addition ratio is less than this, the intended purpose of the present invention is not achieved, while if it is added at a higher ratio, the strength, adhesiveness, workability, and the like are undesirably deteriorated.
【０００７】組成物の調製は、クロロプレンゴムに、そ
れに対して一般に用いられている各種配合剤およびフェ
ニルシリコーン油を添加し、オープンロールなどを用い
て混練することによって行われ、それの加硫はクロロプ
レンゴムの一般的な加硫条件に従って行われる。The composition is prepared by adding various compounding agents and phenyl silicone oil generally used to chloroprene rubber and kneading them with an open roll or the like, and vulcanizing the mixture. This is performed according to general vulcanization conditions for chloroprene rubber.
【０００８】[0008]
【発明の効果】クロロプレンゴムに分子中にフェニル基
を有するシリコーン油を添加することにより、その加硫
成形品のゴム表面摩擦係数を著しく低下させることがで
きる。しかも、金属などに対する加硫接着性も良好であ
る。従って、本発明のクロロプレンゴム組成物は、ダス
トカバー成形用に好適に用いられ、成形されたダストカ
バーは、低表面摩擦係数故に、良好なボールジョイント
への組込み性を有している。By adding silicone oil having a phenyl group in the molecule to chloroprene rubber, the rubber surface friction coefficient of the vulcanized molded product can be significantly reduced. Moreover, the vulcanization adhesion to metals and the like is good. Therefore, chloroprene rubber composition of the present invention, das
The dust cover which is suitably used for molding the cover and has good incorporation into a ball joint due to a low surface friction coefficient.
【０００９】[0009]
【実施例】次に、実施例について本発明を説明する。Next, the present invention will be described with reference to examples.
【００１０】実施例１〜３ クロロプレンゴム 100重量部 (電気化学製品デンカクロロプレンDCR31) FEFカーボンブラック 45 (昭和キャボット製品ショウブラックN550G) 老化防止剤IPPD 2 (大内新興化学製品ノクラック810NA) 酸化マグネシウム 4 (神島化学製品スターマグU) 酸化亜鉛 5 (正同化学製品亜鉛華特号) ステアリン酸 1 (ミヨシ油脂製品ステアリン酸TST) 2-メルカプトイミダゾール 1 (バイエル社製品ブルカチットNPV/C) テトラメチルチウラムジサルファイド 1 (大内新興化学製品ノクセラーTT-P) メチルフェニルシリコーン油 2 (実施例１) (信越化学製品KF54；粘度400cst) 5 (実施例２) 10 (実施例３)Examples 1 to 3 100 parts by weight of chloroprene rubber (Denka chloroprene electrochemical product DCR31) FEF carbon black 45 (Showa Black N550G from Showa Cabot) Antioxidant IPPD 2 (Ouchi Shinko Chemical Nocrack 810NA) Magnesium oxide 4 (Kamijima Chemical Starmag U) Zinc Oxide 5 (Shodo Chemical Zinchua Special Number) Stearic Acid 1 (Miyoshi Oil / Fat Product Stearic Acid TST) 2-Mercaptoimidazole 1 (Bayer Vulkatit NPV / C) Tetramethylthiuram Disulfide 1 (Ouchi Emerging Chemical Noxeller TT-P) methylphenyl silicone oil 2 (Example 1) (Shin-Etsu Chemical KF54; viscosity 400 cst) 5 (Example 2) 10 (Example 3)
【００１１】以上の各配合成分を、60〜70℃のオープン
ロールで混練し、150℃、10MPa、30分間の条件下で加圧
成形した。 (測定項目) ゴム表面摩擦係数：HEIDON製HEIDON-14 50gの荷重下
に、50mm/分の摺動速度で測定 接着性：SPCCに下塗としてケムロック205、上塗として
ケムロック252をいずれも50%トルエン溶液として塗布、
自然乾燥した後、混練物と同時に加熱加圧して加硫接着
し、接着面の剥離強度およびゴム残率(剥離後のゴムの
残率)を測定Each of the above components was kneaded with an open roll at 60 to 70 ° C., and was molded under pressure at 150 ° C., 10 MPa for 30 minutes. (Measurement items) Rubber surface friction coefficient: HEIDON-14 manufactured by HEIDON Measured at a sliding speed of 50 mm / min under a load of 50 g Adhesion: 50% toluene solution of Chemrock 205 as an undercoat and Chemlock 252 as an overcoat on SPCC As applied,
After natural drying, heat and pressure are applied simultaneously with the kneaded material for vulcanization bonding, and the peel strength of the bonded surface and the residual rubber ratio (residual rubber after peeling) are measured
【００１２】比較例１〜10 実施例１〜３において、メチルフェニルシリコーン油の
代わりに、次の添加剤がそれぞれ用いられた。 添加剤 重量部 比較例 なし 0 1 パラフィンワックス 5 2 (日本石油製品135度パラフィンワックスペレット) ジメチルシリコーン油 2 3 (信越化学製品KF96) 5 4 オレイン酸アミド 2 5 (日本化成製品ダイアミドO) 5 6 エチレンビスステアリルアミド 10 7 (ライオン・アフゾ製品アーモワックスEBS-P) ステアリルアミド 10 8 (ライオン製品アーマイドHT-P） ポリブテン 10 9 (日本曹達製品ポリブテン5H) ポリエチレンワックス 10 10 (三洋化成製品サンワックス171P)[0012] In Comparative Examples 1 to 10 Examples 1 to 3, in place of the methyl phenyl silicone oil, the following additives were used, respectively. Additive parts by weight No comparative example 0 1 Paraffin wax 5 2 (Nippon Petroleum Products 135 degree paraffin wax pellets) Dimethyl silicone oil 23 (Shin-Etsu Chemical KF96) 5 4 Oleic acid amide 2 5 (Nippon Kasei Chemicals Daiamide O) 5 6 Ethylene bisstearyl amide 10 7 (Lion Afuzo product armowax EBS-P) Stearyl amide 10 8 (Lion product armide HT-P) Polybutene 10 9 (Nippon Soda product polybutene 5H) Polyethylene wax 10 10 (Sanyo Chemical product sun wax 171P) )
【００１３】以上の各実施例および比較例における測定
結果は、次の表に示される。 表 例 表面摩擦係数 剥離強度(KN/m) ゴム残率 実施例１ 0.2 9.5 95 〃 ２ 0.06 8.5 95 〃 ３ 0.05 7.0 85 比較例１ >2.0 10.2 100 〃 ２ 1.7 9.9 100 〃 ３ 1.4 8.4 95 〃 ４ 0.9 8.0 80 〃 ５ 1.6 9.5 80 〃 ６ 0.6 9.3 70 〃 ７ 1.0 8.4 75 〃 ８ 1.0 8.1 80 〃 ９ 1.4 7.2 80 〃 10 1.9 7.4 85The measurement results in the above Examples and Comparative Examples are shown in the following table. Table Example Surface friction coefficient Peel strength (KN / m) Rubber residual ratio Example 1 0.2 9.5 95 〃2 0.06 8.5 95 ３3 0.05 7.0 85 Comparative Example 1> 2.0 10.2 100 〃2 1.7 9.9 100 ３3 1.4 8.4 95 ４4 0.9 8.0 80 ５ 5 1.6 9.5 80 〃 6 0.6 9.3 70 ７ 7 1.0 8.4 75 ８ 8 1.0 8.1 80 ９ 9 1.4 7.2 80 〃 10 1.9 7.4 85
【００１４】以上の結果から、次のようなことがいえ
る。 (1）比較例６を除く各比較例では、ゴム表面の摩擦係数
の低下が十分ではない。 (2）比較例６では、摩擦係数は低下するものの、接着性
も低下する。 (3）各実施例では、摩擦係数の低下が著しく、接着性も
十分である。From the above results, the following can be said. (1) In each of Comparative Examples except Comparative Example 6, the friction coefficient of the rubber surface was not sufficiently reduced. (2) In Comparative Example 6, although the coefficient of friction decreases, the adhesiveness also decreases. (3) In each of the examples, the coefficient of friction is significantly reduced and the adhesiveness is sufficient.
Claims (2)
を有するシリコーン油を添加してなる、ボールジョイン
トに組み込まれるダストカバー成形用に用いられるクロ
ロプレンゴム組成物。1. A ball join comprising a chloroprene rubber and a silicone oil having a phenyl group in the molecule.
A chloroprene rubber composition used for molding a dust cover to be incorporated into a rubber cover .
から加硫成形された、ボールジョイントに組み込まれる
ダストカバー。 2. The chloroprene rubber composition according to claim 1.
Vulcanized from, incorporated into a ball joint
Dust cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17939292A JP3293177B2 (en) | 1992-06-12 | 1992-06-12 | Chloroprene rubber composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17939292A JP3293177B2 (en) | 1992-06-12 | 1992-06-12 | Chloroprene rubber composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05339425A JPH05339425A (en) | 1993-12-21 |
| JP3293177B2 true JP3293177B2 (en) | 2002-06-17 |
Family
ID=16065067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17939292A Expired - Fee Related JP3293177B2 (en) | 1992-06-12 | 1992-06-12 | Chloroprene rubber composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3293177B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005330344A (en) * | 2004-05-19 | 2005-12-02 | Nok Corp | Chloroprene rubber composition |
| CN109867835A (en) * | 2018-12-28 | 2019-06-11 | 天津市环宇橡塑股份有限公司 | The relatively large drive shaft telescopic end dust cover sizing material of passenger car |
-
1992
- 1992-06-12 JP JP17939292A patent/JP3293177B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05339425A (en) | 1993-12-21 |
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