JPH01278342A - Glossy rubber extruded product - Google Patents
Glossy rubber extruded productInfo
- Publication number
- JPH01278342A JPH01278342A JP10859588A JP10859588A JPH01278342A JP H01278342 A JPH01278342 A JP H01278342A JP 10859588 A JP10859588 A JP 10859588A JP 10859588 A JP10859588 A JP 10859588A JP H01278342 A JPH01278342 A JP H01278342A
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- polymer component
- epg
- epdm
- gloss
- 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
- 229920001971 elastomer Polymers 0.000 title claims abstract description 25
- 235000012438 extruded product Nutrition 0.000 title claims description 8
- 229920000642 polymer Polymers 0.000 claims abstract description 15
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 12
- 239000006229 carbon black Substances 0.000 claims abstract description 10
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229920002943 EPDM rubber Polymers 0.000 claims description 17
- 229920000181 Ethylene propylene rubber Polymers 0.000 claims description 11
- 150000001875 compounds Chemical class 0.000 claims description 9
- 238000013461 design Methods 0.000 claims description 6
- 238000010070 extrusion (rubber) Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 abstract description 14
- 238000004898 kneading Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 7
- 238000002156 mixing Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 229920001897 terpolymer Polymers 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 7
- 230000000704 physical effect Effects 0.000 description 7
- 238000010422 painting Methods 0.000 description 5
- 239000010734 process oil Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 3
- 238000004073 vulcanization Methods 0.000 description 3
- 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
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000007591 painting process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 239000004636 vulcanized rubber Substances 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
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- -1 ethylene propylene diene Chemical class 0.000 description 1
- 229920001821 foam rubber Polymers 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010559 graft polymerization reaction Methods 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method 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
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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光沢ゴム押出品
に関する。特に、自動車のドア部等に使用されるトリム
、ガラスラン、ウェザストリップ等の表面光沢（艶有り
）を要求される意匠面を有するゴム押出品に好適な発明
である。DETAILED DESCRIPTION OF THE INVENTION <Industrial Field of Application> The present invention relates to a glossy rubber extrudate made of ethylene propylene rubber. In particular, this invention is suitable for rubber extrusions having a design surface that requires surface gloss (glossy), such as trims, glass runs, weather strips, etc. used in automobile doors.
〈従来の技術〉
一般に、上記のようなゴム押出品の基体材料は、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
性に優れたエチレンプロピレンゴム（ＥＰＲ）が使用さ
れている。<Prior art> Generally, the base material of the above-mentioned rubber extrusions is required to have weather resistance, ozone resistance, heat resistance, etc., so ethylene propylene rubber (EPR), which has excellent physical properties, is used. ing.
そして、これらのゴム押出品における意匠面の光沢を付
与するには、塗装によるのが主流であった。Painting has been the mainstream method of imparting gloss to the designed surfaces of these rubber extrudates.
〈発明が解決しようとする課題〉
しかし、塗装による場合、塗装工程が余分に必要である
とともに、ゴム基材がＳＰ値の小さいＥＰＲであるため
一般にＳＰ値の高い塗料との密着性に問題を生じやすく
、ゴム基材に特別な表面処理の必要があった。<Problem to be solved by the invention> However, when using painting, an extra painting process is required, and since the rubber base material is EPR with a small SP value, there is generally a problem in adhesion with paints with a high SP value. This easily occurs and requires special surface treatment of the rubber base material.
本発明は、上記にかんがみて、塗装によらずに、意匠面
に表面光沢を付与できる光沢ゴム押出品を提供すること
を目的をする。In view of the above, an object of the present invention is to provide a glossy rubber extruded product that can impart surface gloss to a designed surface without painting.
〈課題を解決するための手段〉
本発明のゴム押出品は、上記課題を解決するために、下
記構成を採用する。<Means for Solving the Problems> In order to solve the above problems, the rubber extrusion product of the present invention employs the following configuration.
ＥＰＲ製の押出物の少くとも意匠面が、（ａ）ポリマー
成分が、エチレン−プロピレン−ジエン三元共重合体（
ＥＰＤＭ）と、塩化ビニルグラフト共重合ＥＰＤＭ （
ＥＰＧ）との、ＥＰＤＭ／ＥＰＧ（重量比）−６０／４
０〜２５／７５のブレンド物であり、（ｂ）カーボンブ
ラックが、高ストラクチャーカーボンであり、その配合
量が、前記ポリマー成分１００重量部に対して４０〜１
６０重量部である、の両要件を具備するゴム配合物の加
硫物で形成されている、ことを特徴とする光沢ゴム押出
品。At least the design surface of the EPR extrudate is such that (a) the polymer component is an ethylene-propylene-diene terpolymer (
EPDM) and vinyl chloride graft copolymerized EPDM (
EPDM/EPG (weight ratio) -60/4
0 to 25/75, and (b) carbon black is high structure carbon, and the blending amount is 40 to 1 part by weight per 100 parts by weight of the polymer component.
60 parts by weight of a vulcanized rubber compound that satisfies both of the following requirements.
〈実施の態様〉
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１部」、１％」は、特にことわらない限り、重
量単位である。<Embodiments> Hereinafter, embodiments of the present invention will be described. Here, "1 part" and "1%" indicating a blending unit are weight units unless otherwise specified.
ここでは、ゴム押出品として、第１図に示すような断面
０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。Here, as an example of a rubber extrusion product, a door weather strip consisting of a mounting part 1 made of solid rubber with a zero-shaped cross section as shown in Fig. 1 and a hollow seal part 3 made of tubular sponge rubber will be explained. do.
取付は部１及び中空シール部３は、エチレンプロピレン
ゴム（ＥＰＲ）のソリッドゴム・発泡ゴム配合処方の各
ゴム配合物の加硫物で形成されている。ここで、ＥＰＲ
のポリマーとしては、硫黄加硫可能なエチレンンーブロ
ビレンージエン三元共重合体（ＥＰＤＭ）を使用するこ
とが生産性の見地から望ましい。ここまでは、従来構成
と同様である。The mounting part 1 and the hollow seal part 3 are made of vulcanized products of ethylene propylene rubber (EPR) solid rubber/foam rubber compound formulations. Here, EPR
From the viewpoint of productivity, it is desirable to use a sulfur-curable ethylene-propylene-diene terpolymer (EPDM) as the polymer. The configuration up to this point is the same as the conventional configuration.
そして、本発明では、ウェザストリップの意匠面りが、
下記両要件（ａ） 、 （ｂ）を具備するゴム配合物の
加硫物からなる光沢ゴム層５で形成されている。In the present invention, the design surface of the weather strip is
It is formed of a glossy rubber layer 5 made of a vulcanized product of a rubber compound that satisfies both requirements (a) and (b) below.
（ａ）ポリマー成分が、エチレンプロピレンジエン三元
共重合（ＥＰＤＭ）と、塩化ビニルグラフト重合ＥＰＤ
Ｍ （ＥＰＧ）との、Ｅ Ｐ Ｄ Ｍ／Ｅ ＰＧ（１量
比）−６０／４０〜２５／７５のブレンド物である。(a) The polymer component is ethylene propylene diene terpolymerization (EPDM) and vinyl chloride graft polymerization EPD.
It is a blend of E P D M/E PG (1 ratio) of -60/40 to 25/75 with M (EPG).
ここで、ＥＰＧが上記ブレンド比より少ないと、ＥＰＧ
の配合効果（光沢付与）の効果を得られず、上記ブレン
ド比を超えると、加硫物の物性が樹脂物性に近くなって
、ゴム弾性が得難い。Here, if EPG is less than the above blend ratio, EPG
If the above blend ratio is exceeded, the physical properties of the vulcanizate become close to those of the resin, making it difficult to obtain rubber elasticity.
また、上記ＥＰＧは、ＥＰＤＭの存在下に、塩化ビニル
をグラフト重合させることにより得られるもので、特開
昭５０”−３３２８６，５０−１５３０８９号公報にそ
の製造方法が開示されている、このＥＰＧ中の塩化ビニ
ル含量は、５０〜８０％とする。５０％未満では加工性
や光沢向上の効果が得難く、８０％を超えるとＥＰＤＭ
との相溶性が悪くなり均一ブレンド物が得難い。Further, the above-mentioned EPG is obtained by graft polymerizing vinyl chloride in the presence of EPDM, and the manufacturing method thereof is disclosed in JP-A-50''-33286, 50-153089. The vinyl chloride content in the inside should be 50 to 80%.If it is less than 50%, it is difficult to obtain the effect of improving processability and gloss, and if it exceeds 80%, EPDM
It is difficult to obtain a homogeneous blend due to poor compatibility.
（ｂ）カーボンブラックが、高ストラクチャーカーボン
であり、その配合量が、前記ポリマー成分１００部に対
して４０〜１６０部である、ここで、カーボンが高スト
ラクチャーでないと、即ち汎用タイプでは押出品表面に
光沢が得難い、また、カーボン量が、４０部未満では光
沢が得難く、１６０部を超えると、混練性等に問題を生
じ望ましくない。(b) The carbon black is a high structure carbon, and the amount thereof is 40 to 160 parts per 100 parts of the polymer component. Furthermore, if the amount of carbon is less than 40 parts, it is difficult to obtain gloss, and if it exceeds 160 parts, problems may occur in kneading properties, etc., which is not desirable.
高ストラクチャータイプとは、カーボン粒子相互に働く
二次的引力により粒子相互が鎖状構造体を構成し、該鎖
状構造体の中に油を包み込み、高い吸油量を粒子径に比
して示すものである。より、具体的には、特開昭５９−
２２９４３号公報に開示されている 沃素吸着量４０〜
８０ ｍｇ７ｇ、ジブチルフタレート吸油量１４０ ｍ
ｌ／ １００ｇ以上のファーネスカーボンブラックを挙
げることができるそしてこの配合物には、上記カーボン
ブラックの他に、通常の押出品用のゴム配合物に配合さ
れる副資材、例えば、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。High structure type means that the carbon particles form a chain structure due to the secondary attraction between them, and the chain structure envelops oil, resulting in a high oil absorption compared to the particle size. It is something. More specifically, JP-A-59-
Iodine adsorption amount disclosed in Publication No. 22943 is 40~
80 mg7g, dibutyl phthalate oil absorption 140 m
1/100 g or more of furnace carbon black.In addition to the above-mentioned carbon black, this blend also contains auxiliary materials that are included in ordinary rubber compounds for extrudates, such as processing aids, plasticizers, etc. Agents, zinc white, anti-aging agents, vulcanizing agents, inorganic fillers, etc. are appropriately blended.
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、ＥＰＲ製基体上に光沢ゴム層
を形成した状態で成形し、常法により加硫を行なう。The extruded product of the present invention is produced by multicolor extrusion using a crosshead extruder to form a glossy rubber layer on an EPR substrate, and vulcanization is performed by a conventional method.
〈発明の作用・効果〉
本発明の光沢押出品は、上記の如く、ＥＰＲ製の押出物
の少くとも意匠面が、（ａ）ポリマー成分が、エチレン
−プロピレン−ジエン三元共重合体（ＥＰＤＭ）と、塩
化ビニルグラフト共重合ＥＰＤＭ （ＥＰＧ）との、Ｅ
ＰＤＭ／ＥＰＧ （重量比）＝６０／４０〜２５／７５
のブレンド物であり、（ｂ）カーボンブラックが、高ス
トラクチャーカーボンであり、その配合量が、前記ポリ
マー成分１００部に対して４０〜１６０部である、の両
要件を具備するゴム配合物の加硫物で形成されている構
成により、下記のような作用効果を奏する。<Operations and Effects of the Invention> As described above, in the glossy extruded product of the present invention, at least the design surface of the EPR extrudate is such that (a) the polymer component is an ethylene-propylene-diene terpolymer (EPDM). ) and vinyl chloride graft copolymerized EPDM (EPG).
PDM/EPG (weight ratio) = 60/40 to 25/75
(b) The carbon black is a high-structure carbon, and the amount thereof is 40 to 160 parts per 100 parts of the polymer component. The structure made of sulfur provides the following effects.
後述の実施例で示す如く押出加硫後の表面が、表面処理
なしにそのままで艶有りに仕上げることができ、塗装に
よらずに、意匠面に表面光沢を付与できる。As shown in the Examples below, the surface after extrusion vulcanization can be finished glossy as it is without surface treatment, and surface gloss can be imparted to the designed surface without painting.
従って、従来の塗装による場合のように、余分−な塗装
工程が必要でないとともに、塗膜の密着性の問題も考慮
する必要がなく、ゴム基材に特別な表面処理をする必要
もない。Therefore, unlike in the case of conventional painting, there is no need for an extra painting process, there is no need to consider the problem of adhesion of the paint film, and there is no need to perform any special surface treatment on the rubber base material.
く試験例〉
以下、本発明の効果を確認するために行なった実施例に
ついて、比較例とともに説明をする。Test Examples> Examples conducted to confirm the effects of the present invention will be described below along with comparative examples.
下記配合処方において、第１表に示す如くポリマー成分
ブレンド比（ＥＰＤＭ／ＥＰＧ）、カーボン（ｆＩ類・
配合量）及びプロセスオイル（ｆｌ類・配合量）をそれ
ぞれ変化させた各ゴム配合物について、混練後、押出機
を使用して、２ｓｍｔのシート物を押出しく押出温度；
８０℃）、加硫した（熱風炉；２００ｔＸ１０分）、な
お、プロセスオイルは、比較例１〜３及び実施例１〜２
はパラフィン系プロセスオイルと混合フタル酸エステル
との等量混合物を使用し、他はパラフィン系プロセスオ
イルを使用した。In the following formulation, the polymer component blend ratio (EPDM/EPG), carbon (fI,
After kneading, a 2 smt sheet is extruded using an extruder for each rubber compound in which the amount of compounding) and process oil (fl type/amount of compounding) are changed.Extrusion temperature;
80°C), vulcanized (hot blast oven; 200t x 10 minutes), and the process oils were those of Comparative Examples 1 to 3 and Examples 1 to 2.
used an equal mixture of paraffinic process oil and mixed phthalate, and the others used paraffinic process oil.
父−」し−」Ｌ一方
ポリマー １００部カーボンブ
ラック 変量プロセスオイル
変量亜鉛華 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 １．５部
上記で得た各加硫ゴムシートから、試験片を打ぬき、下
記各項目の試験を行なった。Father-"shi-"L Polymer 100 parts Carbon black Variable process oil
Variable zinc white 5 parts stearic acid 1 part calcium oxide 5 parts vulcanization accelerator
4.5 parts Sulfur 1.5 parts Test pieces were punched out from each of the vulcanized rubber sheets obtained above and tested for the following items.
（１）常態物性：
硬度（Ｈツ 、 ＪＩＳ−＾）、引張強さ（Ｔ１１）、
伸び（Ｅｌｌ ）の各物性についてＪＩＳ−に６３０１
に基づいて測定をした。(1) Normal physical properties: hardness (Htsu, JIS-^), tensile strength (T11),
JIS-6301 for each physical property of elongation (Ell)
Measurements were made based on.
（２）光沢：
スガ試験機■製の「携帯光沢計ＨＡ −ＧＳＪを使用し
て、入射角６０°、受光角６０°の条件で測定をした。(2) Gloss: Measurement was carried out using a portable gloss meter HA-GSJ manufactured by Suga Test Instruments ■ under the conditions of an incident angle of 60° and a light receiving angle of 60°.
（３）押出性： ＡＳＴＭＤ−２３３０に基づいて測定をした。(3) Extrudability: Measurements were made based on ASTM D-2330.
（４）混練加工性
ゴム配合物の混練時のロールへの粘着性を目視観察によ
り判定した
○・・・粘着なし
Δ・・・やや粘着
×・・・粘着あり
試験結果を示す第１表から下記のことが分る。(4) Kneading processability The adhesion of the rubber compound to the roll during kneading was determined by visual observation.○...No adhesionΔ...Slightly adhesion ×...Adhesion From Table 1 showing the test results We understand the following.
本発明の構成要件を具備する各実施例は、押出品表面に
光沢を付与できるとともに、常態物性もゴム状物性を示
し、さらには、ゴム配合物の混練性も問題がない。Each of the examples having the constituent requirements of the present invention can impart gloss to the surface of the extruded product, exhibit rubber-like physical properties in normal state, and have no problems in kneading properties of the rubber compound.
これに対して、ＥＰＧのブレンド比が小さすぎる比較例
１・２は、押出品表面に光沢を付与できず、ＥＰＧブレ
ンド比が大きすぎる比較例３は、加硫物の物性が樹脂物
性に近くなって、ゴム状物性が得られない、また、高ス
トラクチャーカーボンの配合量が少なすぎる比較例４も
、多すぎる比較例５もゴム配合物の混練性に問題を生じ
る。さらには、カーボンブラックとして、汎用タイプの
ものを使用した比較例７〜９は、本発明の他の要件を満
たしていても、押出品表面に光沢を付与できない。On the other hand, in Comparative Examples 1 and 2, in which the EPG blend ratio is too small, gloss cannot be imparted to the extruded product surface, and in Comparative Example 3, in which the EPG blend ratio is too large, the physical properties of the vulcanizate are close to those of the resin. Therefore, rubber-like physical properties cannot be obtained.Also, both Comparative Example 4, in which the amount of high structure carbon blended is too small, and Comparative Example 5, in which the amount of high structure carbon is too large, problems occur in the kneading properties of the rubber compound. Furthermore, in Comparative Examples 7 to 9, in which a general-purpose carbon black was used, gloss could not be imparted to the surface of the extruded product even if the other requirements of the present invention were satisfied.
第１図は本発明を通用した光沢ゴム押出品の一例である
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・・・光沢ゴム層、
Ｄ・・・意匠面。
特 許 出 願 人
豊田合成株式会社
第１図
υ・・・（」℃凹FIG. 1 is a cross-sectional perspective view of a weather strip, which is an example of a glossy rubber extrusion product that can be used in the present invention. 1... Mounting part, 3... Hollow seal part, 5... Glossy rubber layer, D... Design surface. Patent application Toyoda Gosei Co., Ltd. Figure 1 υ...
Claims (1)
、 （ａ）ポリマー成分が、エチレン−プロピレン−ジエン
三元共重合体（以下「ＥＰＤＭ」と略す。 ）と、塩化ビニルグラフト共重合ＥＰＤＭ（以下「ＥＰ
Ｇ」と略す。）との、ＥＰＤＭ／ＥＰＧ（重量比）＝６
０／４０〜２５／７５のブレンド物であり、 （ｂ）カーボンブラックが、高ストラクチャーカーボン
であり、その配合量が、前記ポリマー成分１００重量部
に対して４０〜１６０重量部であるの両要件を具備する
ゴム配合物の加硫物で形成されている、 ことを特徴とする光沢ゴム押出品。[Scope of Claims] At least the design surface of an extruded product made of ethylene propylene rubber is such that (a) the polymer component is an ethylene-propylene-diene terpolymer (hereinafter abbreviated as "EPDM") and vinyl chloride. Graft copolymerized EPDM (hereinafter referred to as “EP
Abbreviated as "G". ) with EPDM/EPG (weight ratio) = 6
0/40 to 25/75, and (b) the carbon black is a high structure carbon, and the amount thereof is 40 to 160 parts by weight based on 100 parts by weight of the polymer component. A glossy rubber extrusion product, characterized in that it is formed from a vulcanized product of a rubber compound comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10859588A JPH01278342A (en) | 1988-04-29 | 1988-04-29 | Glossy rubber extruded product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10859588A JPH01278342A (en) | 1988-04-29 | 1988-04-29 | Glossy rubber extruded product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01278342A true JPH01278342A (en) | 1989-11-08 |
Family
ID=14488790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10859588A Pending JPH01278342A (en) | 1988-04-29 | 1988-04-29 | Glossy rubber extruded product |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01278342A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04153019A (en) * | 1990-10-17 | 1992-05-26 | Nishikawa Rubber Co Ltd | Manufacture of molding with gloss difference |
| WO1994005725A2 (en) * | 1992-08-27 | 1994-03-17 | Cabot Corporation | Carbon black containing epdm compositions having either a high gloss or a textured matte finish |
-
1988
- 1988-04-29 JP JP10859588A patent/JPH01278342A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04153019A (en) * | 1990-10-17 | 1992-05-26 | Nishikawa Rubber Co Ltd | Manufacture of molding with gloss difference |
| WO1994005725A2 (en) * | 1992-08-27 | 1994-03-17 | Cabot Corporation | Carbon black containing epdm compositions having either a high gloss or a textured matte finish |
| WO1994005725A3 (en) * | 1992-08-27 | 1994-04-28 | Cabot Corp | Carbon black containing epdm compositions having either a high gloss or a textured matte finish |
| EP0896979A3 (en) * | 1992-08-27 | 1999-05-06 | Cabot Corporation | Carbon black containing EPDM compositions having either a high gloss or a textured matte finish |
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