JPH04169348A - Weatherstrip - Google Patents
WeatherstripInfo
- Publication number
- JPH04169348A JPH04169348A JP29629690A JP29629690A JPH04169348A JP H04169348 A JPH04169348 A JP H04169348A JP 29629690 A JP29629690 A JP 29629690A JP 29629690 A JP29629690 A JP 29629690A JP H04169348 A JPH04169348 A JP H04169348A
- Authority
- JP
- Japan
- Prior art keywords
- epdm
- rubber
- weatherstrip
- designed surface
- weather strip
- 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
Links
- 229920002943 EPDM rubber Polymers 0.000 claims abstract description 20
- 229920001971 elastomer Polymers 0.000 claims abstract description 15
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 4
- 239000002685 polymerization catalyst Substances 0.000 claims description 11
- 238000013461 design Methods 0.000 claims description 7
- 229910021550 Vanadium Chloride Inorganic materials 0.000 claims description 4
- RPESBQCJGHJMTK-UHFFFAOYSA-I pentachlorovanadium Chemical compound [Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[V+5] RPESBQCJGHJMTK-UHFFFAOYSA-I 0.000 claims description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims 1
- 239000005977 Ethylene Substances 0.000 claims 1
- 229920001897 terpolymer Polymers 0.000 claims 1
- 229920000642 polymer Polymers 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 6
- 239000007787 solid Substances 0.000 abstract description 4
- 238000010058 rubber compounding Methods 0.000 abstract description 2
- 239000003054 catalyst Substances 0.000 abstract 3
- 239000004411 aluminium Substances 0.000 abstract 1
- 238000005187 foaming Methods 0.000 abstract 1
- 229910052720 vanadium Inorganic materials 0.000 abstract 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 235000012438 extruded product Nutrition 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 238000004073 vulcanization Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- 235000014692 zinc oxide Nutrition 0.000 description 2
- 239000006057 Non-nutritive feed additive Substances 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 125000002370 organoaluminium group Chemical group 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 238000010057 rubber processing Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Vehicle Waterproofing, Decoration, And Sanitation Devices (AREA)
- Seal Device For Vehicle (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Polymerization Catalysts (AREA)
Abstract
Description
【発明の詳細な説明】
〈産業上の利用分野〉
本発明は、エチレンプロピレンゴム製のウェザストリッ
プに関する。DETAILED DESCRIPTION OF THE INVENTION <Industrial Application Field> The present invention relates to a weatherstrip made of ethylene propylene rubber.
ここで、ウェザストリップとは、ドアウェザストリップ
、トランクリッドウェザストリップ、サンルーフウェザ
ストリップ等、ウェザストリップストリップと直接的に
称されるものの他に、ガラスラン、窓枠ゴム等も含む概
念である。Here, the term "weather strip" is a concept that includes not only what is directly called a weather strip such as a door weather strip, a trunk lid weather strip, and a sunroof weather strip, but also a glass run, window frame rubber, and the like.
〈従来の技術〉
一般に、上記のようなウェザストリップの基体材料は、
耐候性、耐オゾン性、耐熱性等が要求されるため、それ
らの物性に優れかつ硫黄加硫可能なＥＰＤＭのゴム加硫
物で形成されることが多いそして、上記ＥＰＤＭの重合
触媒は、一般に、有機アルミニウム系および塩化バナジ
ウム系の併用型である（「合成ゴム加工技術全書、■エ
チレン・プロピレンゴム」昭和４７年７月１ｏ日発行、
■大成社刊、第７〜８頁参照）。<Prior art> Generally, the base material of the weather strip as described above is
Because weather resistance, ozone resistance, heat resistance, etc. are required, EPDM rubber vulcanizates that have excellent physical properties and can be vulcanized with sulfur are often used. , is a combination type of organoaluminium-based and vanadium chloride-based (``Synthetic Rubber Processing Technology Complete Book, ■ Ethylene Propylene Rubber'', published July 1, 1972,
■Published by Taiseisha, see pages 7-8).
一方、これらのウェザストリップにおける意匠面に、昨
今の自動車の高級化指向に伴ない、従来にも増して厳格
な外観品質が要求されるようになってきている。On the other hand, with the recent trend towards higher-end automobiles, the appearance quality of these weather strips is becoming more stringent than ever before.
〈発明が解決しようとする課題〉
そして、外観品質の要求の−として、微小異物（０，１
〜０．５ ｍｍ）が意匠面表面に顕出しないことがある
。<Problem to be solved by the invention> As a requirement for appearance quality, minute foreign particles (0,1
~0.5 mm) may not be visible on the designed surface.
本発明は、上記にかんがみて、微小異物が意匠面表面に
顕出しないウェザストリップを提供することを目的とす
る。In view of the above, an object of the present invention is to provide a weather strip in which minute foreign matter does not appear on the designed surface.
〈課題を解決するための手段〉
本発明者らは、上記課題を解決するために、ウェザスト
リップの意匠面表面に顕出する微小異物の主要構成物が
ポリマー中の重合触媒残査であることを見い出し、下記
構成の本発明に想到した。<Means for Solving the Problems> In order to solve the above problems, the present inventors have discovered that the main constituent of minute foreign matter that appears on the designed surface of the weather strip is polymerization catalyst residue in the polymer. They discovered this and came up with the present invention having the following configuration.
ウェザストリップ本体の少くとも意匠面が、ＥＰＤＭの
ゴム加硫物で形成され、前記ＥＰＤＭは、その重合触媒
が塩化バナジウムと有機アルミニウムの併用型であるウ
ェザストリップにおいて、ＥＰＤＭ中における重合触媒
残査の８０メツシュ残留個数が、２５個／ ３ ｋｇ以
下である、ことを特徴とする。At least the design surface of the weatherstrip main body is formed of a rubber vulcanizate of EPDM, and the EPDM is a weatherstrip in which the polymerization catalyst is a combination of vanadium chloride and organic aluminum. It is characterized in that the number of 80 meshes remaining is 25 pieces/3 kg or less.
く手段の詳細な説明〉
以下、本発明の実施の態様を説明する。ここで、配合単
位を示す「部」、「％」は、特にことわらない限り、重
量単位である。Detailed Description of Means for Implementation> Hereinafter, embodiments of the present invention will be described. Here, "parts" and "%" indicating blending units are weight units unless otherwise specified.
ここでは、ウェザストリップとして、第１図に示すよう
な断面Ｕ字型のソリッドゴム製の取付は部１と、管状の
スポンジゴム製の中空シール部３からなるドアウェザス
トリップを例にとり説明をするが、これに限られるもの
ではない。Here, we will explain the door weather strip by using as an example a door weather strip consisting of a mounting part 1 made of solid rubber with a U-shaped cross section as shown in Fig. 1, and a hollow seal part 3 made of tubular sponge rubber. However, it is not limited to this.
（１）取付は部１及び中空シール部３は、ソリッドゴム
・発泡ゴム配合処方のＥＰＤＭ配合物の加硫物で形成さ
れている。ここで、使用するＥＰＤＭは、必ずしも、後
述のＥＰＤＭ中の重合触媒残査が本発明の要件を満たす
ものでなくてもよい。(1) The mounting part 1 and the hollow seal part 3 are made of a vulcanized product of an EPDM compound containing solid rubber and foam rubber. Here, the EPDM used does not necessarily have to have a polymerization catalyst residue in the EPDM described below that satisfies the requirements of the present invention.
（２）ウェザストリップ本体の少くとも意匠面りが、Ｅ
ＰＤＭのゴム加硫物で形成され、前記Ｅ、 ＰＤＭは、
その重合触媒が塩化バナジウムと有機アルミニウムの併
用型である。園側の如く、意匠面のみ意匠ゴム層５とし
てもよいが、取付部本体１と一体のものとしてもよい。(2) At least the design surface of the weather strip body is E
Formed from a rubber vulcanizate of PDM, the E, PDM is
The polymerization catalyst is a combination of vanadium chloride and organic aluminum. As in the case of the garden, only the decorative rubber layer 5 may be provided on the decorative surface, but it may also be integrated with the mounting body 1.
上記加硫物の配合物には、通常、押出品用のゴム配合物
に配合される副資材、例えば、カーボンブラック、加工
助剤、可塑剤、亜鉛華、老化防止剤、加硫系薬剤、無機
充填剤等が適宜配合される本発明の押出品の製造は、ク
ロスヘツドの押出し機を使用して、多色押出により、ウ
ェザストリップ本体ｌ、３上に意匠ゴム層５を形成した
状態で成形し、常法により加硫を行なう。The above-mentioned vulcanizate formulation usually includes auxiliary materials that are included in rubber formulations for extruded products, such as carbon black, processing aids, plasticizers, zinc white, anti-aging agents, vulcanizing agents, The extruded product of the present invention, in which inorganic fillers and the like are suitably blended, is produced by molding the weatherstrip bodies 1 and 3 with the designed rubber layer 5 formed thereon by multicolor extrusion using a crosshead extruder. Then, vulcanization is performed using a conventional method.
ここまでは、従来構成と同様である。The configuration up to this point is the same as the conventional configuration.
（３）本発明の特徴的構成は、上記構成のウェザストリ
ップにおいて、ＥＰＤＭ中における重合触媒残査の８０
メツシュ残留個数が、２５個／３ｋｇ以下である、こと
にある。(3) A characteristic configuration of the present invention is that in the weather strip having the above configuration, 80% of the polymerization catalyst residue in EPDM is
Particularly, the number of remaining mesh pieces is 25 pieces/3 kg or less.
■ここで８０メツシュ残留個数とは、下記方法で測定し
た結果をいう。■Here, the number of 80 meshes remaining refers to the result measured by the following method.
８０メツシユ金網が押出しダイ（口径：５ｃｍ）先端に
取り付けれた押出機を使用して、秤量ポリマー３ｋｇを
、押出ヘッド温度８０℃に調整してスクリュ回転数５
ＯＲＰＭの条件で押出した後、８０メツシユ金網を取り
外し、当該金網に付着している異物の数を数える。Using an extruder with an 80-mesh wire mesh attached to the tip of an extrusion die (diameter: 5 cm), 3 kg of weighed polymer was adjusted to an extrusion head temperature of 80°C and the screw rotation speed was 5.
After extrusion under ORPM conditions, the 80-mesh wire mesh was removed and the number of foreign substances attached to the wire mesh was counted.
■また、重合触媒残査の８０メツシュ残留個数を本発明
の条件とするためには、ＥＰＤＭを重合（通常、溶液イ
オン重合）後、水で洗浄する、−回の洗浄で充分でない
場合は、水を新鮮なものに換えたり、洗浄を繰り返した
りして、重合触媒残査の残存率を本発明の条件に適合す
るようにする〈発明の作用・効果〉
本発明のウェザストリップは、上記の如く、ウェザスト
リップの少くとも意匠面を形成するＥＰＤＭ加硫物のポ
リマーとして、ポリマー成分中の重合触媒残査の残存率
を所定以下とすることにより、以下の試験例で示す如く
、ウェザストリップの意匠面における微小異物の顕出率
が大幅に低減する。従って、外観品質の厳格な要求に答
えられるウェザストリップを、生産性良好に、即ち、低
不良発生率で製造可能となる。■Also, in order to maintain the number of remaining 80 meshes of polymerization catalyst residue according to the conditions of the present invention, after polymerizing EPDM (usually solution ion polymerization), wash it with water. If - times of washing is not sufficient, By replacing the water with fresh water or repeating washing, the residual rate of polymerization catalyst residue is made to meet the conditions of the present invention. As shown in the test example below, by controlling the residual rate of polymerization catalyst residue in the polymer component as the polymer of the EPDM vulcanizate, which forms at least the design surface of the weatherstrip, to a predetermined level or less, the weatherstrip can be improved as shown in the test example below. The appearance rate of minute foreign matter on the design surface is significantly reduced. Therefore, weatherstrips that meet strict requirements for appearance quality can be manufactured with good productivity, that is, with a low defect rate.
〈試験例〉
下記配合処方のＥＰＤＭにおいて、第１表に示す重合触
媒残査残存率の各ポリマーを使用して、２０ ｍｍＸ
２ ｍｍｔ断面のストリップを押出成形した、そして、
１ｍ当りの、微小異物の顕出率を目視判定した。その結
果を第１表に示すが、８０メツシュ金網残留個数が２５
個／３ｋｇ以下の場合、微小異物のゴム押出物表面の顕
出率が大幅に減少することが分る。<Test Example> In EPDM with the following formulation, using each polymer with the residual rate of polymerization catalyst shown in Table 1, 20 mm
A strip with a cross section of 2 mmt was extruded, and
The appearance rate of minute foreign matter per 1 m was visually determined. The results are shown in Table 1, and the remaining number of 80-mesh wire mesh was 25.
It can be seen that when the particle size is less than 3 kg, the rate of appearance of minute foreign particles on the surface of the rubber extrudate is significantly reduced.
ＥＰＤＭ ”
ポリマー １００部カーボンブ
ラック ６０部プロセスオイル
５０部亜鉛華
５部ステアリン酸 １部酸化カル
シウム ５部加硫促進剤
４．５部硫黄
ｌ、５部第 １ 表EPDM” Polymer 100 parts Carbon black 60 parts Process oil
50 parts zinc white
5 parts stearic acid 1 part calcium oxide 5 parts vulcanization accelerator
4.5 parts sulfur
l, Part 5, Table 1
第１図は本発明を適用したウェザストリップの一例であ
るウェザストリップの断面斜視図である１・・・取付は
部、
３・・・中空シール部、
５・・・意匠ゴム層、
Ｄ・・・意匠面。FIG. 1 is a cross-sectional perspective view of a weather strip that is an example of a weather strip to which the present invention is applied. 1... Attachment part, 3... Hollow seal part, 5... Design rubber layer, D...・Design aspect.
Claims (1)
プロピレン−ジエン三元共重合体（以下「ＥＰＤＭ」と
略す。）のゴム加硫物で形成され、前記ＥＰＤＭは、そ
の重合触媒が塩化バナジウムと有機アルミニウムの併用
型であるウエザストリツプにおいて、 ＥＰＤＭ中における重合触媒残査の８０メッシュ残留個
数が、２５個／３ｋｇ以下である、ことを特徴とするウ
エザストリツプ。[Claims] At least the design surface of the weather strip body is made of ethylene.
The EPDM is formed from a rubber vulcanizate of propylene-diene terpolymer (hereinafter abbreviated as "EPDM"), and the EPDM is a weather strip whose polymerization catalyst is a combination of vanadium chloride and organic aluminum. A weather strip characterized in that the number of 80 mesh polymerization catalyst residues remaining is 25 pieces/3 kg or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29629690A JPH0818521B2 (en) | 1990-10-31 | 1990-10-31 | Weather strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29629690A JPH0818521B2 (en) | 1990-10-31 | 1990-10-31 | Weather strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04169348A true JPH04169348A (en) | 1992-06-17 |
| JPH0818521B2 JPH0818521B2 (en) | 1996-02-28 |
Family
ID=17831718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29629690A Expired - Fee Related JPH0818521B2 (en) | 1990-10-31 | 1990-10-31 | Weather strip |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0818521B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0601693A1 (en) * | 1992-11-28 | 1994-06-15 | Ford Motor Company Limited | A weatherstrip |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4075396B2 (en) * | 2002-02-14 | 2008-04-16 | 三井・デュポンポリケミカル株式会社 | Automotive molding |
-
1990
- 1990-10-31 JP JP29629690A patent/JPH0818521B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0601693A1 (en) * | 1992-11-28 | 1994-06-15 | Ford Motor Company Limited | A weatherstrip |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0818521B2 (en) | 1996-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |