JP2012087251A5 - Impact resistant acrylic resin composition and molded article - Google Patents
Impact resistant acrylic resin composition and molded article Download PDFInfo
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- JP2012087251A5 JP2012087251A5 JP2010236664A JP2010236664A JP2012087251A5 JP 2012087251 A5 JP2012087251 A5 JP 2012087251A5 JP 2010236664 A JP2010236664 A JP 2010236664A JP 2010236664 A JP2010236664 A JP 2010236664A JP 2012087251 A5 JP2012087251 A5 JP 2012087251A5
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本発明は、射出成型時にジェッティング等の成型不良を生じない耐衝撃性アクリル系樹脂組成物及び、それを用いた成形体に関する。 The present invention relates to an impact-resistant acrylic resin composition that does not cause molding defects such as jetting during injection molding, and a molded body using the same .
〔１〕メタクリル酸エステル単量体単位８０−９９．５質量％及び少なくとも一種のメタクリル酸エステルに共重合可能な他のビニル単量体単位０．５〜２０質量％を含み、以下の条件を満足することを特徴とするアクリル系樹脂（Ａ）及び、ゴム質重合体（Ｂ）からなることを特徴とするアクリル系樹脂組成物。
Ｉ）ゲルパーミエーションクロマトグラフィー（ＧＰＣ）で測定した重量平均分子量が６万〜３０万、
ＩＩ） ＧＰＣ溶出曲線から得られるピーク分子量（Ｍｐ）の１／５以下の分子量成分が、前記ＧＰＣ溶出曲線から得られるエリア面積比率にして７〜４０％。
〔２〕前記アクリル系樹脂（Ａ）１００質量部に対し、ゴム質重合体（Ｂ）１〜２００質量部からなることを特徴とする〔１〕に記載のアクリル系樹脂組成物。
〔３〕前記ゴム質重合体（Ｂ）が、アクリル系ゴム質重合体であることを特徴とする〔１〕乃至〔２〕のいずれかに記載のアクリル系樹脂組成物。
〔４〕前記ゴム質重合体（Ｂ）が、三層構造以上の多層構造を有することを特徴とする〔１〕乃至〔３〕のいずれかに記載のアクリル系樹脂組成物。
〔５〕該アクリル系樹脂組成物のアクリル不溶部含有量が１〜６５質量％であることを特徴とする〔１〕乃至〔４〕のいずれかに記載のアクリル系樹脂組成物。
〔６〕〔１〕乃至〔５〕のいずれかに記載のアクリル系樹脂組成物である成形体。
〔７〕〔１〕乃至〔５〕のいずれかに記載のアクリル系樹脂組成物である射出成形体。
〔８〕長尺成型品である〔６〕乃至〔７〕のいずれかに記載の成形体。
〔９〕車両用部品である〔６〕乃至〔８〕のいずれかに記載の成形体。
〔１０〕照明器具部品である請求項６乃至８のいずれかに記載の成形体。
〔１１〕弾球遊技機用部品である請求項６乃至８のいずれかに記載の成形体。
[1] Including 80 to 99.5% by mass of methacrylic acid ester monomer units and 0.5 to 20% by mass of other vinyl monomer units copolymerizable with at least one methacrylic acid ester, An acrylic resin composition characterized by comprising an acrylic resin (A) characterized by satisfaction and a rubbery polymer (B).
I) The weight average molecular weight measured by gel permeation chromatography (GPC) is 60,000 to 300,000,
II) The molecular weight component of 1/5 or less of the peak molecular weight (Mp) obtained from the GPC elution curve is 7 to 40% as the area area ratio obtained from the GPC elution curve.
[2] The acrylic resin composition according to [1], comprising 1 to 200 parts by mass of a rubbery polymer (B) with respect to 100 parts by mass of the acrylic resin (A).
[3] The acrylic resin composition according to any one of [1] to [2] , wherein the rubber polymer (B) is an acrylic rubber polymer.
[4] The acrylic resin composition according to any one of [1] to [3], wherein the rubbery polymer (B) has a multilayer structure of three or more layers.
[5] The acrylic resin composition according to any one of [1] to [4] , wherein the acrylic insoluble part content of the acrylic resin composition is 1 to 65% by mass .
[6] A molded body which is the acrylic resin composition according to any one of [1] to [5].
[7] An injection- molded article which is the acrylic resin composition according to any one of [1] to [5].
[8] The molded product according to any one of [6] to [7], which is a long molded product.
[9] The molded body according to any one of [6] to [8], which is a vehicle component.
[10] The molded body according to any one of [6] to [8], which is a lighting fixture part.
[11] The molded body according to any one of [6] to [8], which is a part for a ball game machine.
Claims (11)
Ｉ）ゲルパーミエーションクロマトグラフィー（ＧＰＣ）で測定した重量平均分子量が６万〜３０万、
ＩＩ） ＧＰＣ溶出曲線から得られるピーク分子量（Ｍｐ）の１／５以下の分子量成分が、前記ＧＰＣ溶出曲線から得られるエリア面積比率にして７〜４０％。 It contains 80 to 99.5% by mass of methacrylic acid ester monomer units and 0.5 to 20% by mass of other vinyl monomer units copolymerizable with at least one methacrylic acid ester, and satisfies the following conditions. An acrylic resin composition characterized by comprising an acrylic resin (A) characterized by: and a rubbery polymer (B).
I) The weight average molecular weight measured by gel permeation chromatography (GPC) is 60,000 to 300,000,
II) The molecular weight component of 1/5 or less of the peak molecular weight (Mp) obtained from the GPC elution curve is 7 to 40% as the area area ratio obtained from the GPC elution curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010236664A JP2012087251A (en) | 2010-10-21 | 2010-10-21 | Impact-resistive acrylic resin composition, molded body, and vehicular member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010236664A JP2012087251A (en) | 2010-10-21 | 2010-10-21 | Impact-resistive acrylic resin composition, molded body, and vehicular member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012087251A JP2012087251A (en) | 2012-05-10 |
| JP2012087251A5 true JP2012087251A5 (en) | 2013-10-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| JP2010236664A Pending JP2012087251A (en) | 2010-10-21 | 2010-10-21 | Impact-resistive acrylic resin composition, molded body, and vehicular member |
Country Status (1)
| Country | Link |
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| JP (1) | JP2012087251A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7497228B2 (en) | 2020-06-29 | 2024-06-10 | 株式会社クラレ | Acrylic resin composition |
| JP7497229B2 (en) | 2020-06-29 | 2024-06-10 | 株式会社クラレ | Acrylic resin composition |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014051620A (en) * | 2012-09-07 | 2014-03-20 | Asahi Kasei Chemicals Corp | Thermoplastic resin composition, manufacturing method of the same and molded article |
| JP2014071427A (en) * | 2012-10-01 | 2014-04-21 | Asahi Kasei Chemicals Corp | Transparent resin-based light-emitting device and luminaire |
| JP6704254B2 (en) * | 2015-03-09 | 2020-06-03 | 旭化成株式会社 | Methacrylic resin composition, method for producing the same and molded article |
| US9725588B2 (en) | 2015-03-09 | 2017-08-08 | Asahi Kasei Chemicals Corporation | Methacrylic resin composition, method for producing the same, and molded article |
| JP6713807B2 (en) * | 2016-03-30 | 2020-06-24 | 株式会社カネカ | Method for producing optical film and optical film |
| JP6870652B2 (en) * | 2018-04-27 | 2021-05-12 | 日本ゼオン株式会社 | Acrylic rubber manufacturing method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03163152A (en) * | 1982-12-29 | 1991-07-15 | Mitsubishi Rayon Co Ltd | Multilayered polymer resin composition |
| US5336720A (en) * | 1991-06-05 | 1994-08-09 | Rohm And Haas Company | Impact resistant polymers |
| JP3145864B2 (en) * | 1994-05-06 | 2001-03-12 | 株式会社クラレ | Method for producing methacrylic impact-resistant resin composition |
| JP2983958B2 (en) * | 1998-05-12 | 1999-11-29 | 三菱レイヨン株式会社 | Method for producing impact-resistant acrylic polymer |
| JP2000103935A (en) * | 1998-09-28 | 2000-04-11 | Mitsubishi Rayon Co Ltd | Abs-based resin composition |
| JP2001026691A (en) * | 1999-07-13 | 2001-01-30 | Kuraray Co Ltd | Methacrylic resin composition |
| JP2001200130A (en) * | 2000-01-17 | 2001-07-24 | Toray Ind Inc | Thermoplastic resin composition and molded product therefrom |
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2010
- 2010-10-21 JP JP2010236664A patent/JP2012087251A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7497228B2 (en) | 2020-06-29 | 2024-06-10 | 株式会社クラレ | Acrylic resin composition |
| JP7497229B2 (en) | 2020-06-29 | 2024-06-10 | 株式会社クラレ | Acrylic resin composition |
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