JP7118462B2 - 熱可塑性樹脂組成物 - Google Patents
熱可塑性樹脂組成物 Download PDFInfo
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- JP7118462B2 JP7118462B2 JP2020556909A JP2020556909A JP7118462B2 JP 7118462 B2 JP7118462 B2 JP 7118462B2 JP 2020556909 A JP2020556909 A JP 2020556909A JP 2020556909 A JP2020556909 A JP 2020556909A JP 7118462 B2 JP7118462 B2 JP 7118462B2
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L51/00—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
- C08L51/003—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 macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- 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
- 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
- C08F279/04—Vinyl aromatic monomers and nitriles as the only monomers
-
- C—CHEMISTRY; METALLURGY
- 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
- 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
- C08F279/06—Vinyl aromatic monomers and methacrylates as the only monomers
-
- C—CHEMISTRY; METALLURGY
- 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
- C08F285/00—Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
-
- C—CHEMISTRY; METALLURGY
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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Description
本発明は、2018年9月5日付で出願された韓国特許出願第10-2018-0106052号及び2019年9月3日付で出願された韓国特許出願第10-2019-0108784号に基づく優先権の利益を主張し、当該韓国特許出願の文献に開示された全ての内容を本明細書の一部として含む。
屈折率(RI)={[アルキル(メタ)アクリレート系単量体単位の含量(重量%)]×[アルキル(メタ)アクリレート系単独重合体の屈折率]}+{[芳香族ビニル系単量体単位の含量(重量%)]×[芳香族ビニル系単独重合体の屈折率]}+{[ビニルシアン系単量体単位の含量(重量%)]×[ビニルシアン系単独重合体の屈折率]}
グラフト率(%)={[(乾燥物の重量)-(共役ジエン系重合体の重量)]/(共役ジエン系重合体の重量)}×100
共役ジエン系重合体の重量=第1共重合体、第2共重合体または熱可塑性樹脂組成物の製造時に投入された第1及び第2共役ジエン系重合体の固形分重量;または第1共重合体、第2共重合体または熱可塑性樹脂組成物を赤外線分光法で分析して測定した第1及び第2共役ジエン系重合体の固形分重量
本発明の一実施形態による熱可塑性樹脂組成物は、A-1)第1共役ジエン系重合体、アルキル(メタ)アクリレート系単量体単位及び芳香族ビニル系単量体単位を含み、前記第1共役ジエン系重合体は、平均粒径が0.05から0.2μmである第1共重合体;A-2)第2共役ジエン系重合体、アルキル(メタ)アクリレート系単量体単位及び芳香族ビニル系単量体単位を含み、前記第2共役ジエン系重合体は、平均粒径が0.23から0.5μmである第2共重合体;B)アルキル(メタ)アクリレート系単量体単位及び芳香族ビニル系単量体単位を含む第3共重合体;及びC)粘度が700から10,000cPである可塑剤を含み、前記可塑剤を0.3から5重量%で含む。
第1共重合体は、グラフト共重合体であって、第1共役ジエン系重合体、アルキル(メタ)アクリレート系単量体単位及び芳香族ビニル系単量体単位を含む。
第2共重合体は、グラフト共重合体であって、第2共役ジエン系重合体、アルキル(メタ)アクリレート系単量体単位及び芳香族ビニル系単量体単位を含む。
第3共重合体は、マトリックス共重合体であって、アルキル(メタ)アクリレート系単量体単位と芳香族ビニル系単量体単位を含む。
可塑剤は、粘度が700から10,000cPであり、前記可塑剤は、熱可塑性樹脂組成物に優れた加工性を付与することができる。
本発明の他の一実施形態による熱可塑性樹脂成形品は、本発明の一実施形態による熱可塑性樹脂組成物で製造され、前記第1共役ジエン系重合体及び第2共役ジエン系重合体を含む衝撃補強領域と;前記アルキル(メタ)アクリレート系単量体単位及び芳香族ビニル系単量体単位を含むマトリックス領域の屈折率の差が0.01以下である。
ポリブタジエンラテックス(重合方法:乳化重合、ゲル含量:90%、平均粒径:0.12μm)50重量部に、イオン交換水50重量部、メチルメタクリレート8.8重量部、スチレン3重量部、アクリロニトリル0.8重量部、架橋剤としてジビニルベンゼン0.1重量部、開始剤としてクメンヒドロパーオキシド0.2重量部、乳化剤としてアルキルアリールスルホン酸ナトリウム(ドデシルベンゼンスルホン酸ナトリウム)0.5重量部を入れて5時間混合した後、メチルメタクリレート26.2重量部、スチレン9重量部、アクリロニトリル2.2重量部、分子量調節剤としてt-ドデシルメルカプタン0.5重量部、酸化-還元系触媒としてエチレンジアミン四酢酸0.05重量部、ナトリウムホルムアルデヒドスルホキシレート0.1重量部、硫酸第一鉄0.001重量部、開始剤としてクメンヒドロパーオキシド0.1重量部を70℃で5時間の間一定の速度で連続投入しながら重合した。連続投入が終了した後、80℃に昇温して1時間熟成した後、重合を終了してグラフト共重合体ラテックスを収得した。そして、グラフト共重合体ラテックスに凝集剤として硫酸マグネシウム2重量部を投入して凝集し、脱水、乾燥を経てグラフト共重合体粉末を収得した。収得されたグラフト共重合体粉末の屈折率は1.516であり、グラフト率は55%であった。
ポリブタジエンラテックス(重合方法:乳化重合、ゲル含量:70%、平均粒径:0.3μm)50重量部に、イオン交換水50重量部、メチルメタクリレート8.8重量部、スチレン3重量部、アクリロニトリル0.8重量部、架橋剤としてジビニルベンゼン0.1重量部、開始剤としてクメンヒドロパーオキシド0.2重量部、乳化剤としてアルキルアリールスルホン酸ナトリウム(ドデシルベンゼンスルホン酸ナトリウム)0.5重量部を投入して3時間混合した後、メチルメタクリレート26.2重量部、スチレン9重量部、アクリロニトリル2.2重量部、分子量調節剤としてt-ドデシルメルカプタン0.5重量部、酸化-還元系触媒エチレンジアミン四酢酸0.05重量部、ナトリウムホルムアルデヒドスルホキシレート0.1重量部、硫酸第一鉄0.001重量部、開始剤としてクメンヒドロパーオキシド0.1重量部を70℃で5時間の間一定の速度で連続投入しながら重合した。連続投入が終了した後、80℃に昇温して1時間熟成した後、重合を終了してグラフト共重合体ラテックスを収得した。そして、グラフト共重合体ラテックスに凝集剤として硫酸マグネシウム2重量部を投入して凝集し、脱水、乾燥を経てグラフト共重合体粉末を収得した。得られたグラフト共重合体粉末は、屈折率が1.516であり、グラフト率が45%であった。
ポリブタジエンラテックス(重合方法:乳化重合、ゲル含量:70%、平均粒径:0.3μm)50重量部に、イオン交換水50重量部、メチルメタクリレート7.5重量部、スチレン4.8重量部、アクリロニトリル0.8重量部、架橋剤としてジビニルベンゼン0.1重量部、開始剤としてクメンヒドロパーオキシド0.2重量部、乳化剤としてアルキルアリールスルホン酸ナトリウム(ドデシルベンゼンスルホン酸ナトリウム)0.5重量部を投入して3時間混合した後、メチルメタクリレート22.3重量部、スチレン14.4重量部、アクリロニトリル2.2重量部、分子量調節剤としてt-ドデシルメルカプタン0.5重量部、酸化-還元系触媒としてエチレンジアミン四酢酸0.05重量部、ナトリウムホルムアルデヒドスルホキシレート0.1重量部、硫酸第一鉄0.001重量部、クメンヒドロパーオキシド0.1重量部を70℃で5時間の間一定の速度で連続投入しながら重合した。連続投入が終了した後、80℃に昇温して1時間熟成した後、重合を終了してグラフト共重合体ラテックスを収得した。そして、グラフト共重合体ラテックスに凝集剤として硫酸マグネシウム2重量部を投入して凝集し、脱水、乾燥を経てグラフト共重合体粉末を収得した。得られたグラフト共重合体粉末は、屈折率は1.53であり、グラフト率は47%であった。
メチルメタクリレート70.4重量部、スチレン24.6重量部、アクリロニトリル5重量部に、溶媒としてトルエン30重量部と、分子量調節剤としてt-ドデシルメルカプタン0.15重量部を混合した原料を平均反応時間が3時間になるように反応槽に連続的に投入し、反応温度を148℃に維持した。反応槽から排出された重合溶液は、予備加熱槽で加熱し、揮発槽で未反応単量体は揮発させ、ポリマーの温度が210℃に維持されるようにして、ポリマー移送ポンプ押出加工機を用いてペレット状のMSAN共重合体を収得した。製造されたMSAN共重合体は屈折率が1.516であった。
グラフト共重合体、マトリックス共重合体及び可塑剤を下記表に記載された含量で混合して熱可塑性樹脂組成物を製造した。
実施例及び比較例の熱可塑性樹脂組成物100重量部、酸化防止剤(商品名:Irganox 1010、製造社:BASF)0.3重量部を均一に混合した後、220℃のシリンダー温度で2軸押出混練機に投入してペレットを製造した。前記ペレットの物性を下記の方法で測定し、下記表に記載した。
実験例1で製造されたペレットを射出して試片を製造し、試片の物性を下記の方法で測定し、下記表に記載した。
Claims (9)
- A-1)第1共役ジエン系重合体、アルキル(メタ)アクリレート系単量体単位及び芳香族ビニル系単量体単位を含み、前記第1共役ジエン系重合体は、平均粒径が0.05から0.2μmである第1共重合体5から40重量%;A-2)第2共役ジエン系重合体、アルキル(メタ)アクリレート系単量体単位及び芳香族ビニル系単量体単位を含み、前記第2共役ジエン系重合体は、平均粒径が0.23から0.5μmである第2共重合体10から40重量%;
B)アルキル(メタ)アクリレート系単量体単位及び芳香族ビニル系単量体単位を含む第3共重合体20から75重量%;及び
C)粘度が700から10,000cPである可塑剤0.3から5重量%を含む、熱可塑性樹脂組成物であって、
前記A-1)第1共重合体は、グラフト率が40から80%であり、
前記A-2)第2共重合体は、グラフト率が35から70%であり、
前記C)可塑剤は、脂肪族ジカルボン酸系単量体単位及び脂肪族ジヒドロキシ系単量体単位を含み、
前記第1共重合体から第3共重合体は、それぞれ屈折率の差が0.01以下である、熱可塑性樹脂組成物。 - 前記C)可塑剤は、屈折率が1.45以上である、請求項1に記載の熱可塑性樹脂組成物。
- 前記C)可塑剤は、脂肪族エステル系単量体単位及びアセテート系単量体単位からなる群から選択される1種以上をさらに含む、請求項1に記載の熱可塑性樹脂組成物。
- 前記第1共重合体から第3共重合体は、それぞれビニルシアン系単量体単位をさらに含む、請求項1~3のいずれか一項に記載の熱可塑性樹脂組成物。
- 前記第1共役ジエン系重合体3から20重量%;
前記第2共役ジエン系重合体3から20重量%;
前記アルキル(メタ)アクリレート系単量体単位45から65重量%;
前記芳香族ビニル系単量体単位10から30重量%;及び
前記可塑剤0.3から5重量%で含むものである、請求項1~4のいずれか一項に記載の熱可塑性樹脂組成物。 - 前記熱可塑性樹脂組成物は、グラフト率が35から65%である、請求項1~5のいずれか一項に記載の熱可塑性樹脂組成物。
- 流動指数が220℃で、15から45g/10分である、請求項1~6のいずれか一項に記載の熱可塑性樹脂組成物。
- 請求項1から請求項7のいずれか一項に記載の熱可塑性樹脂組成物で製造され、
衝撃補強領域とマトリックス領域を含み、
前記衝撃補強領域は、前記第1共役ジエン系重合体及び第2共役ジエン系重合体からなる群から選択される1種以上を含み、
前記マトリックス領域は、前記アルキル(メタ)アクリレート系単量体単位及び芳香族ビニル系単量体単位を含み、
前記衝撃補強領域とマトリックス領域は、屈折率の差が0.01以下である、熱可塑性樹脂成形品。 - ヘイズが1.3以下、衝撃強度が7kg・cm/cm以上である、請求項8に記載の熱可塑性樹脂成形品。
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EP3848414B1 (en) | 2022-05-04 |
TWI810360B (zh) | 2023-08-01 |
TW202016206A (zh) | 2020-05-01 |
CN112020537B (zh) | 2022-10-25 |
CN112020537A (zh) | 2020-12-01 |
EP3848414A4 (en) | 2021-10-20 |
KR20200027899A (ko) | 2020-03-13 |
KR102288853B1 (ko) | 2021-08-12 |
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