JPWO2016080425A1 - 変性エチレン系重合体、接着性樹脂組成物、積層体、その用途 - Google Patents
変性エチレン系重合体、接着性樹脂組成物、積層体、その用途 Download PDFInfo
- Publication number
- JPWO2016080425A1 JPWO2016080425A1 JP2016560255A JP2016560255A JPWO2016080425A1 JP WO2016080425 A1 JPWO2016080425 A1 JP WO2016080425A1 JP 2016560255 A JP2016560255 A JP 2016560255A JP 2016560255 A JP2016560255 A JP 2016560255A JP WO2016080425 A1 JPWO2016080425 A1 JP WO2016080425A1
- Authority
- JP
- Japan
- Prior art keywords
- ethylene polymer
- modified ethylene
- laminate
- modified
- adhesive
- 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
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Images
Classifications
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C08F8/46—Reaction with unsaturated dicarboxylic acids or anhydrides thereof, e.g. maleinisation
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
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- 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
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
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- B29C48/49—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using two or more extruders to feed one die or nozzle
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- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
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Abstract
Description
[1]グラフト変性量が0.15重量%〜0.40重量%の範囲であり、かつ、クロス分別クロマトグラフィー測定における80℃以下での溶出量が10重量%以下である、エチレン系重合体の少なくとも一部が不飽和カルボン酸またはその誘導体でグラフト変性された変性エチレン系重合体。
[2] 前記溶出量が、80℃以下でのo−ジクロロベンゼンへの溶出量である、[1]に記載の変性エチレン系重合体。
[3]前記エチレン系重合体の少なくとも一部が、メタロセン触媒の存在下で重合して得られたものである、[1]または[2]に記載の変性エチレン系重合体。
[4]前記[1] 〜[3]に記載の変性エチレン系重合体を含む接着性樹脂組成物。
[5]前記[4]に記載の接着性樹脂組成物からなる接着層、および該接着層の少なくとも片面に設けられた樹脂層を備える積層体。
[6]前記樹脂層が、ポリアミドおよびエチレン-ビニルアルコール共重合体から選ばれる少なくとも1種からなるものである[5]に記載の積層体。
[7]共押出成形法により製造された[5]または[6]に記載の積層体。
[8]射出成形法により製造された[5]または[6]に記載の積層体。
[9]前記[5]〜[8]に記載の積層体を用いたプラスチック燃料タンク用の燃料バルブ。
本発明の変性エチレン系重合体は、エチレン系重合体が、その一部もしくは全部が不飽和カルボン酸もしくはその誘導体でグラフト変性されたものである。
本発明の接着性樹脂組成物は、前記変性エチレン系重合体を含む。本発明の接着性樹脂組成物の溶出量は、本発明の変性エチレン系重合体の溶出量と同程度であることが望ましい。
本発明の積層体は、前記接着性樹脂組成物から形成される接着層(A)と、当該接着層(A)の少なくとも片面に形成された樹脂層(B)とを有する。また、接着層(A)の他方の面に樹脂層(B)と同一または異なる樹脂層(C)が形成されていてもよい。
ASTM D 1238に準拠し、温度:190℃、2160g荷重で測定した。
ASTM D 1505に準拠して測定した。
クロス分別クロマトグラフィー(CFC)にて測定した。
検出器(内蔵):赤外分光光度計 IR4(Polymer ChAR)、
検出波長:3.42μm(2,920cm−1);固定、
試料濃度:120mg/30mL、注入量:0.5mL、
降温時間: 1.0℃/min、
溶出区分: 4.0℃間隔(−20℃〜140℃)、
GPCカラム:Shodex HT−806M×3本(昭和電工社)、
GPCカラム温度:140℃、GPCカラム較正:単分散ポリスチレン(東ソー社)、
分子量較正法:汎用較正法(ポリスチレン換算)、
移動相:o−ジクロロベンゼン(BHT添加)、流量:1.0mL/min。
全周フルノッチクリープ試験は、ISO16770に従って測定した。具体的には、厚さ6mmのプレス成形シートから切出し、試験片の長さを40mmとした。その後、所定の治具を用いて、試験片中央部全周に、深さ1mmの切り込みを入れた。雰囲気は80℃の温水とし、5.0MPaの定荷重を試験片に与え、破断までの時間を測定した。
燃料浸漬後の接着強度は、積層体の側面から10mm幅でサンプルを切り出し、65℃のFuel−C(イソオクタン/トルエン重量比=50/50)中に200時間浸漬した後、接着層(A)と樹脂層(B)との間の接着強度を室温(23℃)の恒温槽内で測定した。
20mLの容積を有するSUS製容器(開放部面積1.26×10-3m2)に模擬燃料であるFuel−Cを18mL入れて、プレス成形した2mm厚のシート状試験片を容器開放部にセットして密閉することで、試験体とした。該試験体を恒温装置(65℃)に入れ、試験体の重量を測定し、単位時間あたりの重量減少が一定となったところで下記の式により燃料透過係数を求めた。
メタロセン系触媒の存在下で製造された密度=951kg/m3、MFR=0.27g/10分の高密度ポリエチレンを一部用い、無水マレイン酸0.22g/100gを押出機内で溶融グラフト変性した変性エチレン系重合体(MFR=0.27g/10分:密度=951kg/cm3)を用意し、前述の方法により、上記(1)〜(6)を評価した。
メタロセン系触媒の存在下で製造された密度=951kg/m3、MFR=0.27g/10分の高密度ポリエチレンを用い、無水マレイン酸0.15g/100gを押出機内で溶融グラフト変性した変性エチレン系重合体(MFR=0.26g/10分:密度=951kg/cm3)を用意し、実施例1と同様に評価した。
メタロセン系触媒の存在下で製造された密度=951kg/m3、MFR=0.27g/10分の高密度ポリエチレンを用い、無水マレイン酸0.30g/100gを押出機内で溶融グラフト変性した変性エチレン系重合体(MFR=0.30g/10分:密度=951kg/cm3)を用意し、実施例1と同様に評価した。
チーグラー系触媒の存在下で製造された密度=951kg/m3、MFR=0.11g/10分の高密度ポリエチレンを用い、無水マレイン酸0.22g/100gを押出機内で溶融グラフト変性した変性エチレン系重合体(MFR=0.12g/10分:密度=951kg/cm3)を用意し、実施例1と同様に評価した。
メタロセン系触媒の存在下で製造された密度=951kg/m3、MFR=0.27g/10分の高密度ポリエチレンを一部用い、無水マレイン酸0.11g/100gを押出機内で溶融グラフト変性した変性エチレン系重合体(MFR=0.25g/10分:密度=951kg/cm3)を用意し、実施例1と同様に評価した。
メタロセン系触媒の存在下で製造された密度=951kg/m3、MFR=0.27g/10分の高密度ポリエチレンを一部用い、無水マレイン酸0.44g/100gを押出機内で溶融グラフト変性した変性エチレン系重合体(MFR=0.32g/10分:密度=951kg/cm3)を用意し、実施例1と同様に評価した。
2 ポリアミド
3 ローラー
Claims (9)
- グラフト変性量が0.15重量%〜0.40重量%の範囲であり、かつ、クロス分別クロマトグラフィー測定における80℃以下での溶出量が10重量%以下である、エチレン系重合体の少なくとも一部が不飽和カルボン酸またはその誘導体でグラフト変性された変性エチレン系重合体。
- 前記溶出量が、80℃以下でのo−ジクロロベンゼンへの溶出量である、請求項1に記載の変性エチレン系重合体。
- 前記エチレン系重合体の少なくとも一部が、メタロセン触媒の存在下で重合して得られたものである、請求項1または2に記載の変性エチレン系重合体。
- 請求項1〜3のいずれか1項に記載の変性エチレン系重合体を含む接着性樹脂組成物。
- 請求項4に記載の接着性樹脂組成物からなる接着層、および該接着層の少なくとも片面に設けられた樹脂層を備える積層体。
- 前記樹脂層が、ポリアミドおよびエチレン-ビニルアルコール共重合体から選ばれる少なくとも1種からなるものである請求項5に記載の積層体。
- 共押出成形法により製造された請求項5または6に記載の積層体。
- 射出成形法により製造された請求項4または5に記載の積層体。
- 請求項5〜8のいずれか1項に記載の積層体を用いたプラスチック燃料タンク用の燃料バルブ。
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JP2011016911A (ja) * | 2009-07-08 | 2011-01-27 | Mitsui Chemicals Inc | 炭素繊維強化プロピレン系複合材料およびその成形体 |
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EP0742236B1 (fr) * | 1995-05-09 | 2002-01-02 | Atofina | Liant de coextrusion à base de polyoléfines greffées |
AU732062B2 (en) * | 1996-10-03 | 2001-04-12 | Mitsui Chemicals, Inc. | Multilayer plastic container |
DE69834777T2 (de) * | 1997-08-08 | 2007-05-16 | Mitsui Chemicals, Inc. | 4-Methyl-1-Penten-Polymerzusammensetzung und Laminate und Klebstoffe, die diese Zusammensetzung verwenden |
CN1286897C (zh) * | 2001-03-28 | 2006-11-29 | 日本聚烯烃株式会社 | 粘接性树脂组合物及用该组合物的多层层压结构体 |
FR2832486A1 (fr) * | 2001-11-22 | 2003-05-23 | Atofina | Tube multicouche conducteur a base de polyamides et d'evoh pour le transport d'essence |
US8485385B2 (en) * | 2006-07-21 | 2013-07-16 | Japan Polyethylene Corporation | Welding material and fuel tank thereby welded |
CN102164989B (zh) * | 2008-09-30 | 2013-11-27 | 三井化学株式会社 | 纤维增强树脂组合物及其成型体 |
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JPH10156978A (ja) * | 1996-10-03 | 1998-06-16 | Mitsui Chem Inc | 多層プラスチック容器 |
JPH11124479A (ja) * | 1997-08-08 | 1999-05-11 | Mitsui Chem Inc | 4−メチル−1−ペンテン系重合体組成物及びこれを用いた積層体並びに接着剤 |
JP2003073506A (ja) * | 2001-06-19 | 2003-03-12 | Japan Polyolefins Co Ltd | 接着性樹脂組成物及びそれを用いた多層積層構造体 |
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JP2008045122A (ja) * | 2006-07-21 | 2008-02-28 | Nippon Polyethylene Kk | 溶着材料及びそれを用いた燃料タンク |
JP2010106263A (ja) * | 2008-09-30 | 2010-05-13 | Mitsui Chemicals Inc | 長繊維強化熱可塑性樹脂粒子 |
JP2011016911A (ja) * | 2009-07-08 | 2011-01-27 | Mitsui Chemicals Inc | 炭素繊維強化プロピレン系複合材料およびその成形体 |
WO2012133008A1 (ja) * | 2011-03-25 | 2012-10-04 | 三井化学株式会社 | 接着性樹脂組成物およびそれを用いた多層構造体 |
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Publication number | Publication date |
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EP3222638B1 (en) | 2020-09-02 |
US20170321092A1 (en) | 2017-11-09 |
EP3222638A4 (en) | 2018-06-20 |
ES2821825T3 (es) | 2021-04-27 |
EP3222638A1 (en) | 2017-09-27 |
JP6644704B2 (ja) | 2020-02-12 |
WO2016080425A1 (ja) | 2016-05-26 |
CN107108784A (zh) | 2017-08-29 |
CN107108784B (zh) | 2021-01-15 |
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