JP7342252B2 - 熱可塑性樹脂組成物及びそれを含む成形品 - Google Patents
熱可塑性樹脂組成物及びそれを含む成形品 Download PDFInfo
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- 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
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- 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
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
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Description
本出願は、2020年06月26日付の韓国特許出願第10-2020-0078393号及びこれに基づいて2021年02月25日付で再出願された韓国特許出願第10-2021-0025196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は本明細書の一部として組み込まれる。
本発明の(A)アクリル系グラフト樹脂は、一例として、平均粒径が異なる2種以上のアクリル系グラフト樹脂を含むものであってもよく、この場合、1種のアクリル系グラフト樹脂を含む場合よりも耐衝撃性、着色性、伸び率及び耐熱性が向上し、特に黒色度と耐衝撃性が同時に優れるという利点がある。
本発明の(B)第1共重合体は、一例として、アルキル置換スチレン、(メタ)アクリレート及びビニルシアン化合物を含んでなるものであってもよく、この場合、黒色度が大きく向上するという利点がある。
本発明の(C)第2共重合体は、一例として、アルキル非置換スチレン、(メタ)アクリレート及びビニルシアン化合物を含んでなるものであってもよく、この場合、黒色度が大きく向上するという利点がある。
本発明の(D)(メタ)アクリレート重合体は、一例として、メタクリレート化合物を70重量%以上含んで重合されたものであってもよく、好ましくは、メタクリレート化合物が100重量%であるポリメチルメタクリレート樹脂であってもよく、この場合、耐衝撃性、流動性、耐熱性及び黒色度に優れるという利点がある。
前記熱可塑性樹脂組成物は、一例として(メタ)アクリレートを熱可塑性樹脂組成物100重量%に対して40~59重量%、好ましくは45~59重量%、より好ましくは48~53重量%含むことができ、この範囲内で、耐熱性及び流動性が優れたレベルに維持されながら、耐衝撃性と黒色度が全て向上するという利点がある。
本発明の熱可塑性樹脂組成物の製造方法は、一例として、(A)平均粒径が異なる2種以上のアクリル系グラフト樹脂と;(B)アルキル置換スチレン、(メタ)アクリレート及びビニルシアン化合物を含んでなる第1共重合体と;(C)アルキル非置換スチレン、(メタ)アクリレート及びビニルシアン化合物を含んでなる第2共重合体と;(D)(メタ)アクリレート重合体とを含み、熱可塑性樹脂組成物の総重量に対して(メタ)アクリレートを40~59重量%含むことを特徴とし、この場合、耐衝撃性、流動性及び耐熱性に優れ、加工費を上昇させないので経済的な利点を提供しながら、高黒色を実現できるという利点がある。
本発明の成形品は、一例として、本発明の熱可塑性樹脂組成物を含むものであってもよく、前記成形品は、耐熱性及び耐衝撃性に優れるので外部環境による変化が少ないだけでなく、高いレベルの黒色度を実現して高級感を提供するという効果がある。
下記の実施例及び比較例で用いられた物質は、次の通りである。
上述した成分を下記の表1に記載された含量で混合し、撹拌して熱可塑性樹脂組成物を製造した。
前記実施例1~6、比較例1~9及び参照例1~2で製造された熱可塑性樹脂組成物を押出混練機(加工温度:240℃)に投入し、押出してペレットを製造した。前記製造したペレットは、ISO規格に準拠した120MT射出機(加工温度:240℃)を用いて試験片に製造し、これを下記の方法で測定し、その結果を下記の表2に示した。参考に、黒色度試験片は、厚さ3mm×横10cm×縦10cmである四角の高光沢の試験片として作製し、前記高光沢の試験片は、グロスメーター(GLOSS meter)を用いて60°の条件で測定した光沢度が85~95の範囲内であった。
Claims (8)
- (A)平均粒径が異なる2種以上のアクリル系グラフト樹脂20~45重量%と、(B)アルキル置換スチレン、(メタ)アクリレート及びビニルシアン化合物を含んでなる第1共重合体10~30重量%と、(C)アルキル非置換スチレン、(メタ)アクリレート及びビニルシアン化合物を含んでなる第2共重合体5~25重量%と、(D)(メタ)アクリレート重合体25~45重量%とを含み、熱可塑性樹脂組成物の総重量に対して(メタ)アクリレートを40~59重量%含むことを特徴とする、熱可塑性樹脂組成物であって、
前記(A)アクリル系グラフト樹脂は、アクリレートゴムに芳香族ビニル化合物とビニルシアン化合物をグラフト共重合したものであり、平均粒径が400~650nmである第1アクリル系グラフト樹脂と、平均粒径が50~160nmである第2アクリル系グラフト樹脂とを含み、前記第1アクリル系グラフト樹脂と前記第2アクリル系グラフト樹脂を1:1~1:30の重量比で含み、
前記(B)第1共重合体は、アルキル置換スチレン25~50重量%、(メタ)アクリレート40~60重量%及びビニルシアン化合物10~30重量%を含んでなり、
前記(C)第2共重合体は、アルキル非置換スチレン15~30重量%、(メタ)アクリレート60~80重量%及びビニルシアン化合物3~15重量%を含んでなり、
前記(D)(メタ)アクリレート重合体は、ポリメチルメタクリレート樹脂である、熱可塑性樹脂組成物。 - SCEモードで測定した黒色度(L)が4以下であることを特徴とする、請求項1に記載の熱可塑性樹脂組成物。
- ISO 1133-1に準拠して220℃、10kgfの条件で測定した流動指数が4~20g/10分であることを特徴とする、請求項1に記載の熱可塑性樹脂組成物。
- ISO 179-1に準拠して測定したシャルピー衝撃強度(厚さ4.0mm、ノッチ後の幅8mm、23℃)が5kJ/m2以上であることを特徴とする、請求項1に記載の熱可塑性樹脂組成物。
- シリコン化合物を含むことを特徴とする、請求項1に記載の熱可塑性樹脂組成物。
- 着色剤、滑剤、酸化防止剤、紫外線安定剤、蛍光増白剤、鎖延長剤、離型剤、顔料、染料、抗菌剤、加工助剤、金属不活性化剤、発煙抑制剤、無機充填剤、ガラス繊維、耐摩擦剤、耐摩耗剤、熱安定剤及びUV安定剤からなる群から選択された1種以上の添加剤を含むことを特徴とする、請求項1に記載の熱可塑性樹脂組成物。
- 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を含むことを特徴とする、成形品。
- 自動車外装材であることを特徴とする、請求項7に記載の成形品。
Applications Claiming Priority (5)
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KR10-2020-0078393 | 2020-06-26 | ||
KR20200078393 | 2020-06-26 | ||
PCT/KR2021/002344 WO2021261703A1 (ko) | 2020-06-26 | 2021-02-25 | 열가소성 수지 조성물 및 이를 포함하는 성형품 |
KR10-2021-0025196 | 2021-02-25 | ||
KR1020210025196A KR20220000804A (ko) | 2020-06-26 | 2021-02-25 | 열가소성 수지 조성물 및 이를 포함하는 성형품 |
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US (1) | US20220298347A1 (ja) |
JP (1) | JP7342252B2 (ja) |
TW (1) | TW202212467A (ja) |
WO (1) | WO2021261703A1 (ja) |
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CN114599727B (zh) * | 2020-09-15 | 2023-09-08 | 株式会社Lg化学 | 热塑性树脂组合物、其制备方法以及使用其制造的成型品 |
Citations (6)
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JP2000302935A (ja) | 1999-04-22 | 2000-10-31 | Kanegafuchi Chem Ind Co Ltd | 軟質樹脂組成物及びその成形体 |
JP2001031830A (ja) | 1999-07-23 | 2001-02-06 | Kanegafuchi Chem Ind Co Ltd | 熱可塑性樹脂組成物 |
US20150005435A1 (en) | 2013-06-28 | 2015-01-01 | Cheil Industries Inc. | Thermoplastic Resin Composition and Molded Article Using the Same |
WO2020091370A1 (ko) | 2018-10-31 | 2020-05-07 | 주식회사 엘지화학 | 열가소성 수지 조성물 |
WO2020091336A1 (ko) | 2018-10-31 | 2020-05-07 | 주식회사 엘지화학 | 열가소성 수지 조성물 |
WO2020091371A1 (ko) | 2018-10-31 | 2020-05-07 | 주식회사 엘지화학 | 열가소성 수지 조성물 |
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KR0178457B1 (ko) * | 1996-01-29 | 1999-05-15 | 유현식 | 블로우 성형용 열가소성 수지 조성물 |
KR101531613B1 (ko) * | 2011-11-24 | 2015-06-25 | 제일모직 주식회사 | 열가소성 수지 조성물 및 이를 이용한 성형품 |
KR20130075793A (ko) * | 2011-12-28 | 2013-07-08 | 제일모직주식회사 | 외관 및 착색성이 우수한 열가소성 수지 조성물 |
KR102266583B1 (ko) * | 2018-03-30 | 2021-06-18 | 롯데첨단소재(주) | 열가소성 수지 조성물 및 이를 이용한 성형품 |
KR102298296B1 (ko) * | 2018-10-31 | 2021-09-07 | 주식회사 엘지화학 | 열가소성 수지 조성물 |
KR20200078393A (ko) | 2018-12-21 | 2020-07-01 | 동우 화인켐 주식회사 | 리튬 이온 함유 폐액으로부터의 탄산리튬의 제조방법 |
KR20210025196A (ko) | 2019-08-27 | 2021-03-09 | 제룡산업 주식회사 | 간접활선 바이패스 작업용 절연커버 |
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- 2021-02-25 JP JP2022519312A patent/JP7342252B2/ja active Active
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000302935A (ja) | 1999-04-22 | 2000-10-31 | Kanegafuchi Chem Ind Co Ltd | 軟質樹脂組成物及びその成形体 |
JP2001031830A (ja) | 1999-07-23 | 2001-02-06 | Kanegafuchi Chem Ind Co Ltd | 熱可塑性樹脂組成物 |
US20150005435A1 (en) | 2013-06-28 | 2015-01-01 | Cheil Industries Inc. | Thermoplastic Resin Composition and Molded Article Using the Same |
WO2020091370A1 (ko) | 2018-10-31 | 2020-05-07 | 주식회사 엘지화학 | 열가소성 수지 조성물 |
WO2020091336A1 (ko) | 2018-10-31 | 2020-05-07 | 주식회사 엘지화학 | 열가소성 수지 조성물 |
WO2020091371A1 (ko) | 2018-10-31 | 2020-05-07 | 주식회사 엘지화학 | 열가소성 수지 조성물 |
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TW202212467A (zh) | 2022-04-01 |
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