JP2014169462A5 - - Google Patents
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- JP2014169462A5 JP2014169462A5 JP2014131365A JP2014131365A JP2014169462A5 JP 2014169462 A5 JP2014169462 A5 JP 2014169462A5 JP 2014131365 A JP2014131365 A JP 2014131365A JP 2014131365 A JP2014131365 A JP 2014131365A JP 2014169462 A5 JP2014169462 A5 JP 2014169462A5
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- JP
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- average molecular
- molecular weight
- methacrylic resin
- area
- mass
- Prior art date
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- 239000000113 methacrylic resin Substances 0.000 claims description 22
- 239000000178 monomer Substances 0.000 claims description 22
- 125000005397 methacrylic acid ester group Chemical group 0.000 claims description 12
- 238000005227 gel permeation chromatography Methods 0.000 claims description 10
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 10
- 230000001186 cumulative Effects 0.000 claims description 8
- 238000010828 elution Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
Description
〔１〕
メタクリル酸エステル単量体単位：８０〜９８．５質量％と、
前記メタクリル酸エステル単量体に共重合可能な、少なくとも１種の他のビニル単量体
単位：１．５〜２０質量％と、
を、含むメタクリル系樹脂であって、
重量平均分子量（Ｍｗ）が１４００００〜２５００００であり、
前記ＧＰＣの溶出曲線から得られるピーク重量平均分子量（Ｍｐ）の１／５以下の重量
平均分子量成分が、前記メタクリル系樹脂中に２０％以上４０％以下含まれており、
重量平均分子量（Ｍｗ）、数平均分子量（Ｍｎ）の関係が、下記（ｉ）式を満たし、
表面温度３９０℃の熱板を押し当て、離したときの樹脂糸の発生を測定する耐糸曳き性の測定において、５ｍｍ以上の長糸発生率が５％以下である、
溶融成形用メタクリル系樹脂。
３．２≦Ｍｗ／Ｍｎ≦５．５ ・・・（ｉ）
〔２〕
前記メタクリル系樹脂のゲルパーミエーションクロマトグラフィー（ＧＰＣ）溶出曲線
におけるエリア面積において、
累積エリア面積（％）が０〜２％である重量平均分子量成分を有する前記メタクリル系
樹脂中の、前記メタクリル酸エステル単量体に共重合可能な他のビニル単量体単位の、平
均組成比率Ｍｈ（質量％）と、
累積エリア面積（％）が９８〜１００％である重量平均分子量成分を有するメタクリル
系樹脂中の、前記メタクリル酸エステル単量体に共重合可能な他のビニル単量体単位の平
均組成比率Ｍｌ（質量％）と、
が、下記式（ii）の関係を有する前記〔１〕に記載の溶融成形用メタクリル系樹脂。
（Ｍｈ−０．８）≧Ｍｌ≧０ ・・・（ii）
〔３〕
前記メタクリル系樹脂のゲルパーミエーションクロマトグラフィー（ＧＰＣ）溶出曲線
におけるエリア面積において、
累積エリア面積（％）が０〜２％である重量平均分子量成分を有する前記メタクリル系
樹脂中の、前記メタクリル酸エステル単量体に共重合可能な他のビニル単量体単位の、平
均組成比率Ｍｈ（質量％）と、
累積エリア面積（％）が９８〜１００％である重量平均分子量成分を有するメタクリル
系樹脂中の、前記メタクリル酸エステル単量体に共重合可能な他のビニル単量体単位の、
平均組成比率Ｍｌ（質量％）と、
が、下記式（iii）の関係を有する前記〔１〕又は〔２〕に記載の溶融成形用メタクリル
系樹脂。
８≧（Ｍｈ−２）≧Ｍｌ≧０ ・・・（iii）
[1]
Methacrylic acid ester monomer unit: 80-98.5 mass%,
At least one other vinyl monomer unit copolymerizable with the methacrylic acid ester monomer: 1.5 to 20% by mass;
A methacrylic resin containing
The weight average molecular weight (Mw) is 140000-250,000,
The methacrylic resin contains a weight average molecular weight component of 1/5 or less of the peak weight average molecular weight (Mp) obtained from the GPC elution curve,
Weight average molecular weight (Mw), the relationship of the number average molecular weight (Mn), meets the following formula (i),
In the measurement of the twisting resistance for measuring the generation of the resin yarn when the hot plate having a surface temperature of 390 ° C. is pressed and released, the long yarn generation rate of 5 mm or more is 5% or less.
Methacrylic resin for melt molding.
3.2 ≦ Mw / Mn ≦ 5.5 (i)
[2]
In the area of the gel permeation chromatography (GPC) elution curve of the methacrylic resin,
Average composition ratio of other vinyl monomer units copolymerizable with the methacrylic acid ester monomer in the methacrylic resin having a weight average molecular weight component having a cumulative area area (%) of 0 to 2%. Mh (mass%),
Average composition ratio Ml of other vinyl monomer units copolymerizable with the methacrylic acid ester monomer in a methacrylic resin having a weight average molecular weight component having a cumulative area area (%) of 98 to 100% ( Mass%),
Is a methacrylic resin for melt molding according to the above [1], which has the relationship of the following formula (ii).
(Mh−0.8) ≧ Ml ≧ 0 (ii)
[3]
In the area of the gel permeation chromatography (GPC) elution curve of the methacrylic resin,
Average composition ratio of other vinyl monomer units copolymerizable with the methacrylic acid ester monomer in the methacrylic resin having a weight average molecular weight component having a cumulative area area (%) of 0 to 2%. Mh (mass%),
In the methacrylic resin having a weight average molecular weight component having a cumulative area area (%) of 98 to 100%, other vinyl monomer units copolymerizable with the methacrylic acid ester monomer,
Average composition ratio Ml (mass%),
Is a methacrylic resin for melt molding according to the above [1] or [2], which has a relationship represented by the following formula (iii).
8 ≧ (Mh−2) ≧ Ml ≧ 0 (iii)
Claims (3)
前記メタクリル酸エステル単量体に共重合可能な、少なくとも１種の他のビニル単量体
単位：１．５〜２０質量％と、
を、含むメタクリル系樹脂であって、
重量平均分子量（Ｍｗ）が１４００００〜２５００００であり、
前記ＧＰＣの溶出曲線から得られるピーク重量平均分子量（Ｍｐ）の１／５以下の重量平均分子量成分が、前記メタクリル系樹脂中に２０％以上４０％以下含まれており、
重量平均分子量（Ｍｗ）、数平均分子量（Ｍｎ）の関係が、下記（ｉ）式を満たし、
表面温度３９０℃の熱板を押し当て、離したときの樹脂糸の発生を測定する耐糸曳き性の測定において、５ｍｍ以上の長糸発生率が５％以下である、
溶融成形用メタクリル系樹脂。
３．２≦Ｍｗ／Ｍｎ≦５．５ ・・・（ｉ） Methacrylic acid ester monomer unit: 80-98.5 mass%,
At least one other vinyl monomer unit copolymerizable with the methacrylic acid ester monomer: 1.5 to 20% by mass;
A methacrylic resin containing
The weight average molecular weight (Mw) is 140000-250,000,
The methacrylic resin contains a weight average molecular weight component of 1/5 or less of the peak weight average molecular weight (Mp) obtained from the GPC elution curve,
Weight average molecular weight (Mw), the relationship of the number average molecular weight (Mn), meets the following formula (i),
In the measurement of the twisting resistance for measuring the generation of the resin yarn when the hot plate having a surface temperature of 390 ° C. is pressed and released, the long yarn generation rate of 5 mm or more is 5% or less.
Methacrylic resin for melt molding.
3.2 ≦ Mw / Mn ≦ 5.5 (i)
におけるエリア面積において、
累積エリア面積（％）が０〜２％である重量平均分子量成分を有する前記メタクリル系
樹脂中の、前記メタクリル酸エステル単量体に共重合可能な他のビニル単量体単位の、平
均組成比率Ｍｈ（質量％）と、
累積エリア面積（％）が９８〜１００％である重量平均分子量成分を有するメタクリル
系樹脂中の、前記メタクリル酸エステル単量体に共重合可能な他のビニル単量体単位の平
均組成比率Ｍｌ（質量％）と、
が、下記式（ii）の関係を有する請求項１に記載の溶融成形用メタクリル系樹脂。
（Ｍｈ−０．８）≧Ｍｌ≧０ ・・・（ii） In the area of the gel permeation chromatography (GPC) elution curve of the methacrylic resin,
Average composition ratio of other vinyl monomer units copolymerizable with the methacrylic acid ester monomer in the methacrylic resin having a weight average molecular weight component having a cumulative area area (%) of 0 to 2%. Mh (mass%),
Average composition ratio Ml of other vinyl monomer units copolymerizable with the methacrylic acid ester monomer in a methacrylic resin having a weight average molecular weight component having a cumulative area area (%) of 98 to 100% ( Mass%),
The methacrylic resin for melt molding according to claim 1, wherein:
(Mh−0.8) ≧ Ml ≧ 0 (ii)
におけるエリア面積において、
累積エリア面積（％）が０〜２％である重量平均分子量成分を有する前記メタクリル系
樹脂中の、前記メタクリル酸エステル単量体に共重合可能な他のビニル単量体単位の、平
均組成比率Ｍｈ（質量％）と、
累積エリア面積（％）が９８〜１００％である重量平均分子量成分を有するメタクリル
系樹脂中の、前記メタクリル酸エステル単量体に共重合可能な他のビニル単量体単位の、
平均組成比率Ｍｌ（質量％）と、
が、下記式（iii）の関係を有する請求項１又は２に記載の溶融成形用メタクリル系樹脂。
８≧（Ｍｈ−２）≧Ｍｌ≧０ ・・・（iii） In the area of the gel permeation chromatography (GPC) elution curve of the methacrylic resin,
Average composition ratio of other vinyl monomer units copolymerizable with the methacrylic acid ester monomer in the methacrylic resin having a weight average molecular weight component having a cumulative area area (%) of 0 to 2%. Mh (mass%),
In the methacrylic resin having a weight average molecular weight component having a cumulative area area (%) of 98 to 100%, other vinyl monomer units copolymerizable with the methacrylic acid ester monomer,
Average composition ratio Ml (mass%),
The methacrylic resin for melt molding according to claim 1 or 2, wherein has a relationship represented by the following formula (iii).
8 ≧ (Mh−2) ≧ Ml ≧ 0 (iii)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014131365A JP5968368B2 (en) | 2009-12-25 | 2014-06-26 | Methacrylic resin for injection molding |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009295848 | 2009-12-25 | ||
| JP2009295848 | 2009-12-25 | ||
| JP2010125249 | 2010-05-31 | ||
| JP2010125249 | 2010-05-31 | ||
| JP2014131365A JP5968368B2 (en) | 2009-12-25 | 2014-06-26 | Methacrylic resin for injection molding |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010288270A Division JP5763335B2 (en) | 2009-12-25 | 2010-12-24 | Injection molded body, method for producing methacrylic resin for melt molding used for molding injection molded body, methacrylic resin composition for injection molding |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2014169462A JP2014169462A (en) | 2014-09-18 |
| JP2014169462A5 true JP2014169462A5 (en) | 2015-03-12 |
| JP5968368B2 JP5968368B2 (en) | 2016-08-10 |
Family
ID=45599375
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010288270A Active JP5763335B2 (en) | 2009-12-25 | 2010-12-24 | Injection molded body, method for producing methacrylic resin for melt molding used for molding injection molded body, methacrylic resin composition for injection molding |
| JP2014131365A Active JP5968368B2 (en) | 2009-12-25 | 2014-06-26 | Methacrylic resin for injection molding |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010288270A Active JP5763335B2 (en) | 2009-12-25 | 2010-12-24 | Injection molded body, method for producing methacrylic resin for melt molding used for molding injection molded body, methacrylic resin composition for injection molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (2) | JP5763335B2 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6002017B2 (en) | 2012-12-03 | 2016-10-05 | 住友化学株式会社 | Method for producing methacrylic polymer composition |
| JP6543026B2 (en) * | 2014-05-09 | 2019-07-10 | 旭化成株式会社 | Thermoplastic resin molding for sanitary ware substitution |
| JP6233849B2 (en) * | 2014-05-27 | 2017-11-22 | 旭化成株式会社 | Molded product of methacrylic resin composition |
| JP6522288B2 (en) | 2014-06-23 | 2019-05-29 | 住友化学株式会社 | Methacrylic resin composition and molded article thereof |
| KR20170029609A (en) * | 2014-09-11 | 2017-03-15 | 아사히 가세이 가부시키가이샤 | Methacrylic resin composition for use in hot-plate non-contact melt-bonding, molded article, and method for manufacturing said molded article |
| JP6844259B2 (en) | 2015-07-14 | 2021-03-17 | 三菱ケミカル株式会社 | Methacrylic resin, manufacturing method of methacrylic resin, molded article and automobile |
| JP6857489B2 (en) * | 2016-02-04 | 2021-04-14 | 旭化成株式会社 | Methacrylic resin composition and its molded product |
| US11155704B2 (en) | 2016-10-04 | 2021-10-26 | Sumitomo Chemical Company, Limited | Methacrylic resin composition and molded object thereof |
| JP7522635B2 (en) | 2020-10-30 | 2024-07-25 | 住友化学株式会社 | Molded body and method for producing same |
| WO2024048303A1 (en) * | 2022-08-30 | 2024-03-07 | 積水化学工業株式会社 | (meth)acrylic resin particles, vehicle composition, slurry composition, and method for manufacturing electronic components |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04277545A (en) * | 1991-03-05 | 1992-10-02 | Asahi Chem Ind Co Ltd | Methacrylic resin composition excellent in solvent resistance |
| JPH07216007A (en) * | 1994-02-02 | 1995-08-15 | Kuraray Co Ltd | Production of methacrylic resin |
| JP5131956B2 (en) * | 2007-01-16 | 2013-01-30 | 旭化成ケミカルズ株式会社 | Thickener and method for producing the same |
-
2010
- 2010-12-24 JP JP2010288270A patent/JP5763335B2/en active Active
-
2014
- 2014-06-26 JP JP2014131365A patent/JP5968368B2/en active Active
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