JPS592841A - 耐候性を有する着色されたゴム押出し製品 - Google Patents

耐候性を有する着色されたゴム押出し製品

Info

Publication number
JPS592841A
JPS592841A JP57111589A JP11158982A JPS592841A JP S592841 A JPS592841 A JP S592841A JP 57111589 A JP57111589 A JP 57111589A JP 11158982 A JP11158982 A JP 11158982A JP S592841 A JPS592841 A JP S592841A
Authority
JP
Japan
Prior art keywords
rubber
colored
layer
extrusion
epdm
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
JP57111589A
Other languages
English (en)
Other versions
JPS611299B2 (ja
Inventor
忠信 岩佐
牛田　光夫
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.)
Toyoda Gosei Co Ltd
Original Assignee
Toyoda Gosei 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
Priority to US06/393,517 priority Critical patent/US4442167A/en
Application filed by Toyoda Gosei Co Ltd filed Critical Toyoda Gosei Co Ltd
Priority to GB08218862A priority patent/GB2123339B/en
Priority to JP57111589A priority patent/JPS592841A/ja
Priority to DE3224476A priority patent/DE3224476C2/de
Publication of JPS592841A publication Critical patent/JPS592841A/ja
Publication of JPS611299B2 publication Critical patent/JPS611299B2/ja
Granted legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/14—Layered products comprising a layer of natural or synthetic rubber comprising synthetic rubber copolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/50—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying
    • B29C44/505—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length using pressure difference, e.g. by extrusion or by spraying extruding the compound through a flat die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/04—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B25/08—Layered products comprising a layer of natural or synthetic rubber comprising rubber as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
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    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
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    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F279/00—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00
    • C08F279/02—Macromolecular compounds obtained by polymerising monomers on to polymers of monomers having two or more carbon-to-carbon double bonds as defined in group C08F36/00 on to polymers of conjugated dienes
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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    • C08L51/04—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to rubbers
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    • C08L51/06—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/16—EPM, i.e. ethylene-propylene copolymers; EPDM, i.e. ethylene-propylene-diene copolymers; EPT, i.e. ethylene-propylene terpolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
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    • B29K2105/16—Fillers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/40—Properties of the layers or laminate having particular optical properties
    • B32B2307/402—Coloured
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B2309/00—Parameters for the laminating or treatment process; Apparatus details
    • B32B2309/08—Dimensions, e.g. volume
    • B32B2309/10—Dimensions, e.g. volume linear, e.g. length, distance, width
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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    • C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
    • C08L2666/24—Graft or block copolymers according to groups C08L51/00, C08L53/00 or C08L55/02; Derivatives thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T428/258—Alkali metal or alkaline earth metal or compound thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)
  • Molding Of Porous Articles (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 本発明は、表面がスウェード、バックスキンもしくはフ
ァブリック様になっている所望の色に着色されたゴムの
表層を有し、耐候性を有するＢＰＤＭ−１ム押出製品に
関する。
ＫＰＤＭは、主鎖に二重結合を持たないエチレン−プロ
ピレンコポリマーに、不飽和基を有する第３成分（ジエ
ン系モノマーなと）を導入してイオウ架橋できるように
したエチレン−プロピレンターポリマーである。このＥ
ＰＤＭは、耐オゾン性、耐熱性および耐候性等の点で優
れた性質を有するだめ、特に、自動車の各種部品例えば
窓枠ゴム、グラスラン、ドアスポンジ、ウェザストリッ
プなどの材料ＫＰＤＭゴムとして広く使用されている。
これらに使用されるＥＰＤＭゴムは、すべてカーボンブ
ラックの配合により黒色化されている。
ところで、近年、ユーザーのニーズの多様化に伴ない表
面がスウエード、バックスキンあるいはファブリック様
の外観を有し、しかも各種の色彩に着色された着色ＥＰ
ＤＭゴム成形品が要求されるに至っているがこのよう々
成形品は、黒色のＥＰＤＭからなる基体層の表面に布を
貼合せて製造する方法あるいは同基体層の表面に植毛す
ることにより製造する方法などにより製造されている。
しかし、これらの方法は、押出、加硫後のゴム製品の表
面をパフ処理→洗浄→接着剤塗布→布貼合せ（又は植毛
）→乾燥等、複雑々工程を経由させなければならず、製
造コストが高くなる上１、接着状態にバラツキを生じ易
く、製品の品質管理も煩雑なこととなる。
その他、着色されたゴムを発泡させてその表皮を取り除
くことにより、表面がスウエード、バックスキンあるい
はファブリック様の外観の製品を得るという手段も考慮
されるが、このためには、前述の如きカーポツプラック
の配合をやめ、炭酸カルシウム、クレー等の白色光てん
剤、発泡剤を用い、あるいは、更に各種顔料等を配合し
、所望の色に着色された発泡成形品とすることが必要と
なる。
しかしながら、カーボンブラックを配合していない着色
ＫＰＤＭゴムは、耐候性が悪く、そのため、非汚染性の
老化防止剤、紫外線吸収剤１、光安定剤等をそれぞれ単
独でまたは組合せて使用することも行われているが、期
待し得るほどの効果が得られていない実情にある。
本発明者らは、カーボンブラックが配合された黒色のＥ
ＰＤＭゴム基体層に対して、ある種のＥＰＤＭの着色ゴ
ムの発泡層を押出成形により、一体的に形成せしめ、そ
の表皮を取り除くことにより、表面がスウエード、バッ
クスキンあるいはファブリック様の外観を有するゴム押
出成形・品を得ることに成功した。
ＥＰＤＭ着色ゴムは、　ＥＰＤＭ黒色ゴムに比較して押
出加工性が悪く、その上耐候性も悪い。しだが゛つて押
出成形により、黒色ゴム本体上に、着色ゴムの薄い発泡
層を形成せしめるという本発明製品の製造における如き
方法は、従来、不可能とされていた。かかる見地からみ
て本発明による上記のゴム押出製品が提供されることは
驚くべきことである。
本発明のゴム押出製品につき以下詳細に説明する。
本発明のゴム押出製品は、カーボンブラックが配合され
ている黒色のＫＰＤＭからなる基体層の表面に、ＥＰＤ
Ｍ７５重量−以下とＥＢｎＭと塩化ビニルとのグラフト
共重合体２５重量％以上とを配合してなる着色されたゴ
ムの薄い発泡層を一体的に形成せしめ、前記発泡層の表
皮が取り除かれている形状になっていることを特徴とす
るものであるが、」二記の着色されたゴムの薄い発泡層
に用いるゴム配合物は、ＦｉＰＤＭ７５重量％以下とＦ
ｉＰＤＭと塩化ビニルとのグラフト共重合体２５重置型
以上とを配合してなるものであることが本発明における
特徴的な点セある。
上記のＥＰＤＭと塩化ビニルとのグラフト共重合体は、
ＥＰＤＭの存在下に塩化ビニルを重合させることにより
製造するととができる。本発明に用いられるＥＰＤＭと
塩化ビニルとのグラフト共重合体は、その中のＢＰＤＭ
含有率が所定の値より低いと、ＥＰＤＭと混和する場合
の相溶性が低下するとともに、それ自身のゴム弾性が失
なわれ、また、所定の値より高いと、耐候性の点で劣る
こととなる。したがって、とのＥＰＤＭと塩化ビニルと
のグラフト共重合体中のＥＰＤＭ分の割合として゛は・
４〜６０重量係重量型が使用される。
まだ、発泡剤としては、通常の発泡剤、例えば、水、ア
ゾジカルボンアミド（Ａ、Ｄ、Ｃ，Ａ　）、ジニトロソ
はンタメチレンテトラミン（Ｄ、Ｐ、Ｔ　）１．。
４．４′オキシビスベンゼンスルホニルヒドラジツド（
０，Ｂ、Ｓ、Ｈ）等が用いられこれら発泡剤の配合量に
ついては、所望される製品の表面におけるスウエード、
バックスキン、あるいはファブリック様の形状に応じて
１．２〜１０倍の発泡倍率が得られるような量とする。
本発明のゴム押出製品の製造にあたっては、例えば、ク
ロスヘッドタイプの押出機を使用し、黒色のＢＰＤＭゴ
ム基体層の表面に前述の着色ゴム薄層を層成せしめて押
出し、常法により加硫し、着色ゴム層を発泡させ、その
後発泡層の表皮を例えば、研磨、切削等の方法で取り除
くことにより得ることができる。
本発明のゴム押出製品は下記の如き多くの利点を有する
ものである。
（１）従来のＥＰＤＭ着色ゴムは、厚さ１咽以下の薄層
に層成することは困難であったが、本発明の製品におい
ては、薄層に層成することが可能であり、０．５ｍｍ以
下に層成することさえ可能であり、その薄層を発泡させ
るので、薄い発泡層を得ることが可能である。
（２）　　（１）の如き薄層形成可能なため、コスト面
で極めて有利である（コストアップが小となる）。・（
３）耐候試験後の折曲げ試験によりクラック発生がほと
んどみられず、耐候性がよい。
（４）薄層部材料は、高温時の粘度低下により、押出加
工性がよく、また、発泡性もよい。
（５）発泡層部の材料と基体層材料との密着性がよい。
以下に、本発明のゴム押出製品の押出加工性および耐候
性その他の特性について、比較例と対比した実験例を掲
げる。
実験例 薄層部材料に使用したＥＰＤＭと塩化ビニルとのグラフ
ト共重合体組成物としては次のものを使用した。
１［１［１℃ ＥＰＤＭ　：　’、；シクロペンタジェン系Ｍ　　　２
０、ヨウ１＋４ 素価５、プロピレン含量３８重量％ 塩ビ含量　７０重量％ グラフト率　６０％ 予め、１８０℃、７　Ｑ　ｒ、ｐ、ｍ、に設定したＢＲ
型パンパリミキサーに、上記のグラフト共重合体１００
重量部、可塑剤（ＤＯＰ）　３０重量部、スズ系安定剤
２重量部配合の組成物を投入し、５〜８分間混練し、溶
融状態を確認した後、１００℃、２Ｖ２５ｒ、ｐ、ｍ、
０８吋０−／Ｌ／、＝　ツｉ　２　＋＋ｌ＋ＩＩＫ　テ
冷却後、シート出しした（これを以下組成物Ａと記す）
。
９１、薄層部材料の押出加工性および耐候性１）実験例
１〜６のＢＰＤＭと組成物への配合割合（重量部）は、
次表のとおりとした。
２）比較例１〜５はいずれもＥＰＤＭＩ　Ｏ０重量部を
使用し、次の配合を用いた 己）実験例１〜６、比較例１〜５においては、上記の配
合成分以外にいずれも、下記成分を配合した、。
（重量部） 完成りレー＊９０ プロセスオイル（パラフィン系）２Ｄ Ｔ１．０２（ルチル型）１０ 亜鉛華　　　　　　５ ステアリン酸　　　　　　　　　　　　　１ジエチレン
グリコール　　　　　　　　１脱水剤（ＯａＯ）　　　
　　　　　　　　　５加硫促進剤ＭＢＴ　　　　　　　
　　　　　１ｔｔ　　　　　　ＴＭＴＤ　　　　　　　
　　　　　　　　　　　　　　１ｔｔ　　　　　ＺｎＢ
ＤＣ１，５ イ　　　オ　　　ウ　　　　　　　　　　　　　　　　
　　　　　　　　　　　　　２発泡剤０ＢＳＨ４ ＊サテントンＮ［Ｌ　１　（Ｅｎｇｅｌｈａｎｄ　Ｍｉ
ｎｅｒａｌｓ　＆Ｃｈｅｍ社製） 各実験例、比較例ともに、まず１．Ｆ！ＰＤＭまたはＫ
ＰＤＭと組成物Ａを、１００℃〜１２０℃、２ｇ／！５
ｒｐｍの８吋ロール、ニップ１岨で５分間混ｆＪり稜、
二ツゾを３　ｍｍにし、充てん剤、添加剤を投入し１５
分間混練した。
次にロール温度を５０℃まで冷却し、ニップ３　ｍ／ｍ
でイオウ、加硫促進剤、発泡剤をろ〜５分間で添加し、
その後、ロールニップを０．５咽にて薄通しを２回実施
し、再度ロールニップを３　ｍ／ｍにし、分出しを行な
った。
この配合物を、押出加工性検討用試料とし、ムーニー粘
度および押出特性を測定した（測定結果は表１に記載し
た）。
表中の押出特性の数値は、ＡＳＴＭＤ−２２６０に記載
されているガーベイダイを使用し、グイ温度８０℃、ヘ
ッド温度７０℃、バレル温度６０℃、スクリュ一温度４
０℃、押出速度５　ｍ／１ｎｉｎの条件で測定した値を
、ＡＳＴＭＤ−２３３０に従って表示したものである。
また、この配合物を、平ダイ（厚さ２喘、中３０箇）を
使用して、上記押出条件で、タンザク状成形物を押出し
、２００℃×１５分間ホットエアー中で発泡加硫して、
耐候性検討用試料へし、耐候性を測定・した（測定結果
は表−２に記載した）。
肛１本発明のゴム押出製品の耐候性その他一般的なりロ
スヘッドタイプの押出機（基体層部Ｌ／Ｄ−１０，′７
５φ、薄層部Ｌ／Ｄ　＝　６．４０φ）を使用し、基体
層の黒色ゴムとしては、後記光３の配合処方を用い、薄
層部の着色ゴムとしては、前記実験例１〜６、比較例１
〜５の配合処方を用いて、グイ温度８ｏ℃、へｗＪ温度
７゜℃、バレル温度６．０’Ｃ，スクリュ一温度４０℃
に設定し、押出速度５　ｍ／ｍｉｎの条件で、着色され
たゴム表層を有する押出製品を押出し、２００℃ホット
エアー中ＶＣ２０分間放置し、発泡加硫させた。
各側の製品を使用し、着色ゴム発泡層の膜厚、黒色ゴム
層との密着性を測定した。
着色ゴム発泡層の膜厚は表４に示すとおりであった。
表　　３ 表　　４ 註）比較例のものは、薄層（１胴以下）押出が困難。
黒色ゴム層との密着性は、実験例Ｎα１〜乙の発泡着色
ゴム使用の製品（本発明の実−例の製品）も比較例１〜
５の発泡着色ゴム使用の製品もともに良好で、テストに
よっても層間剥離は見られない。
次に、前記着色ゴム発泡層の表皮をサンドは−パー（＝
ｌ１１００　）で研磨除去した前記各側の製品を使用し
、耐候試験後の９０°曲げ時におけるクラック発生の有
無を測定した。
耐候試験後の９０°曲げでは、本発明の実施例（実験例
Ｎα１〜６の発泡着色ゴム使用）の製品は、クラック発
生は見られなかった（フレキシビリティに優れている）
のに対し、比較例Ｎα１〜５の発泡着色ゴム使用の製品
ではすべてクラック発生が見られた。
なお、上記の耐候試験は、スガ試験機製の、ＷＦ！Ｌ−
８ＵＮ−ＨＯＢ型ウェザ−メーター湿式法２００時間照
射によった。

Claims (1)

    【特許請求の範囲】
  1. カーボンブラックが配合されている黒色のＦｉＰＤＭか
    らなる基体層の表面に、ＦｉＰＤＭ　７５重量型以下と
    ＥＰＤＭと塩化ビニルとのグラフト共重合体２５重量％
    以上とを配合してなる着色されたゴムの薄い発泡層を、
    一体的に形成せしめたゴム押出製品であって、前記発泡
    層はその表皮が取り除かれている形状になっていること
    を特徴とするゴム押出製品。
JP57111589A 1982-06-30 1982-06-30 耐候性を有する着色されたゴム押出し製品 Granted JPS592841A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US06/393,517 US4442167A (en) 1982-06-30 1982-06-29 Weather resisting extruded rubbery articles having on the surface thereof a thin layer of a colored rubbery material
GB08218862A GB2123339B (en) 1982-06-30 1982-06-30 Weather-resisting extruded rubbery articles having on the surface thereof a thin layer of a colored rubbery material
JP57111589A JPS592841A (ja) 1982-06-30 1982-06-30 耐候性を有する着色されたゴム押出し製品
DE3224476A DE3224476C2 (de) 1982-06-30 1982-06-30 Wetterfeste Kautschuk-Formkörper und ihre Herstellung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57111589A JPS592841A (ja) 1982-06-30 1982-06-30 耐候性を有する着色されたゴム押出し製品

Publications (2)

Publication Number Publication Date
JPS592841A true JPS592841A (ja) 1984-01-09
JPS611299B2 JPS611299B2 (ja) 1986-01-16

Family

ID=14565193

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57111589A Granted JPS592841A (ja) 1982-06-30 1982-06-30 耐候性を有する着色されたゴム押出し製品

Country Status (4)

Country Link
US (1) US4442167A (ja)
JP (1) JPS592841A (ja)
DE (1) DE3224476C2 (ja)
GB (1) GB2123339B (ja)

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JPS60203658A (ja) * 1984-03-28 1985-10-15 Toyoda Gosei Co Ltd ポリ塩化ビニル樹脂組成物
US4741956A (en) * 1986-07-09 1988-05-03 Exxon Research And Engineering Company Biodegradable coatings of ionomer polymer
DE3789701T2 (de) * 1986-10-30 1994-08-11 Mitsui Petrochemical Ind Laminat und aus diesem hergestellter geformter Gegenstand.
US4803020A (en) * 1987-11-02 1989-02-07 The Firestone Tire & Rubber Company Process for radiation curing of EPDM roof sheeting utilizing crosslinking promoters
JPH0522645Y2 (ja) * 1988-07-27 1993-06-10
IT1227834B (it) * 1988-09-15 1991-05-08 Pirelli Sapsa Spa Procedimento continuo e impianto per la fabbricazione di prodotti alveolati in schiuma da lattice, quali materassi, cuscini e simili
US4948652A (en) * 1989-10-06 1990-08-14 Kelleher Denis M Elastomeric composite membrane
US5279782A (en) * 1990-08-17 1994-01-18 Hiroshima Kasei Ltd. Method for making weather strips with "suede appearance"
US5489461A (en) * 1990-11-22 1996-02-06 Toyoda Gosei Co., Ltd. Rubber layered structure and manufacturing process therefor
JPH04312237A (ja) * 1991-04-08 1992-11-04 Mitsui Petrochem Ind Ltd 積層型制振材料および該制振材料を内層に有する繊維　　　　　　　　　　　　強化複合材料ならびにその作製方法
US6036998A (en) * 1997-07-29 2000-03-14 Polymer Plastics Process for coloring EPDM rubber to produce granules for blending with polyurethane resins or to use by themselves to create safety and athletic surfaces
US20020092242A1 (en) * 2000-12-29 2002-07-18 Hope Robert B. Weather seal having elastomeric material encapsulating a bendable core
US6514604B2 (en) 2001-02-02 2003-02-04 Schlegel Corporation Migration inhibiting layer for a weatherstrip
CN104844945B (zh) * 2015-05-05 2018-01-12 宁波艾克姆新材料有限公司 一种用于橡胶发泡的预分散母胶粒及其制备方法
WO2019227489A1 (zh) * 2018-06-01 2019-12-05 杜肯新材料（武汉）集团股份有限公司 一种多层复合橡塑发泡保温材料及制备方法

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US4005254A (en) * 1974-10-29 1977-01-25 General Electric Company Pressureless cure system for chemically cross-linking ethylene containing polymers, and product formed thereby
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Publication number Priority date Publication date Assignee Title
US5697563A (en) * 1994-08-22 1997-12-16 Kabushiki Kaisha Fujimoto Pollcon Chain beating type crusher

Also Published As

Publication number Publication date
GB2123339A (en) 1984-02-01
JPS611299B2 (ja) 1986-01-16
US4442167A (en) 1984-04-10
DE3224476A1 (de) 1984-01-05
GB2123339B (en) 1986-04-03
DE3224476C2 (de) 1986-06-12

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