JP5979778B2 - エポキシ樹脂硬化性組成物及びその硬化物 - Google Patents
エポキシ樹脂硬化性組成物及びその硬化物 Download PDFInfo
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- JP5979778B2 JP5979778B2 JP2012064779A JP2012064779A JP5979778B2 JP 5979778 B2 JP5979778 B2 JP 5979778B2 JP 2012064779 A JP2012064779 A JP 2012064779A JP 2012064779 A JP2012064779 A JP 2012064779A JP 5979778 B2 JP5979778 B2 JP 5979778B2
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- epoxy resin
- resin composition
- hydroxyl group
- epoxy
- cured product
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- 239000003795 chemical substances by application Substances 0.000 claims description 21
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- 125000003118 aryl group Chemical group 0.000 claims description 11
- 125000001302 tertiary amino group Chemical group 0.000 claims description 9
- 125000003700 epoxy group Chemical group 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 125000000524 functional group Chemical group 0.000 claims description 2
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- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000004246 zinc acetate Substances 0.000 description 1
Description
(1)エポキシ樹脂(A)と硬化剤とを包含する硬化性エポキシ樹脂組成物であって、該エポキシ樹脂(A)は、エポキシ樹脂(a)とエポキシ樹脂(b)とを含み、エポキシ樹脂(A)の水酸基含有量は70meq/100g以下であり、該エポキシ樹脂(a)は、全塩素含有量が0.3質量%以下であり、水酸基含有量が160meq/100g以下であり、芳香族3級アミノ基を含有し、前記エポキシ樹脂(b)は、1分子中に2個以上のエポキシ基を含有することを特徴とする硬化性エポキシ樹脂組成物。
(2)エポキシ樹脂(A)は、25℃の粘度が6000mPa・s以下の液状である請求項1に記載の硬化性エポキシ樹脂組成物。
(3)エポキシ樹脂(A)のエポキシ基1当量に対して、硬化剤の官能基が0.3〜1.5当量となる範囲で硬化剤を配合してなる請求項1または請求項2に記載の硬化性エポキシ樹脂組成物。
(4)請求項1〜3のいずれか1項に記載の硬化性エポキシ樹脂組成物を硬化してなる硬化物、
である。
エポキシ樹脂(A)のエポキシ当量は90g/eq以上、500g/eq以下であることがこのましく、より好ましくは100g/eq以上、400g/eq以下である。
エポキシ樹脂(a)のエポキシ当量は80g/eq以上、300g/eq以下であることが好ましく、より好ましくは90g/eq以上、250g/eq以下である。
本発明の硬化性エポキシ樹脂組成物には、これら硬化剤の1種または2種以上を混合して用いることができる。
エポキシ当量はJIS K 7236の規定に従い測定した。
全塩素量はJIS K 7243−3の規定に従い測定した。
25℃粘度は、JIS K-7233、単一円筒回転粘度計法により測定した。
50℃粘度は、ICI粘度計により測定した。
水酸基含有量は、水酸基にジブチルスズマレートを触媒としてフェニルイソシアネートを反応させ、過剰のフェニルイソシアネートをジブチルアミンにて反応させた。その後、過塩素酸溶液にてジブチルアミンを滴定し、その滴定量から求めた。
実施例1
実施例2
比較例1
比較例2
このエポキシ樹脂組成物を用いて150℃で2時間硬化させて、硬化物試験片を得た後、各種物性測定に供した。結果を表2に示す。
(2)吸水率は、直径50 mm、厚さ5 mmの円形の試験片を用いて、23℃、100% RHの条件で24時間吸湿させた後の重量増加変化率とした。
Claims (4)
- エポキシ樹脂(A)と硬化剤とを包含する硬化性エポキシ樹脂組成物であって、該エポキシ樹脂(A)は、エポキシ樹脂(a)とエポキシ樹脂(b)とを含み、エポキシ樹脂(A)の水酸基含有量は70meq/100g以下であり、該エポキシ樹脂(a)は、全塩素含有量が0.3質量%以下であり、水酸基含有量が160meq/100g以下であり、芳香族3級アミノ基を含有し、前記エポキシ樹脂(b)は、1分子中に2個以上のエポキシ基を含有することを特徴とする硬化性エポキシ樹脂組成物。
- エポキシ樹脂(A)は、25℃の粘度が6000mPa・s以下の液状である請求項1に記載の硬化性エポキシ樹脂組成物。
- エポキシ樹脂(A)のエポキシ基1当量に対して、硬化剤の官能基が0.3〜1.5当量となる範囲で硬化剤を配合してなる請求項1または請求項2に記載の硬化性エポキシ樹脂組成物。
- 請求項1〜3のいずれか1項に記載の硬化性エポキシ樹脂組成物を硬化してなる硬化物。
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JPS63174981A (ja) * | 1987-01-14 | 1988-07-19 | Yuka Shell Epoxy Kk | エポキシ化合物の精製方法 |
JPS63243124A (ja) * | 1987-03-31 | 1988-10-11 | Mitsubishi Gas Chem Co Inc | エポキシ樹脂の精製法 |
JPH01108219A (ja) * | 1987-10-21 | 1989-04-25 | Mitsui Petrochem Ind Ltd | エポキシ樹脂の精製方法 |
JP2702515B2 (ja) * | 1988-08-10 | 1998-01-21 | 旭チバ株式会社 | エポキシ樹脂の精製法 |
JPH02235919A (ja) * | 1989-03-08 | 1990-09-18 | Sumitomo Chem Co Ltd | シートモールディングコンパウンド用エポキシ樹脂組成物 |
JP3026372B2 (ja) * | 1991-05-16 | 2000-03-27 | 三菱レイヨン株式会社 | 複合材料中間体 |
JP2000044651A (ja) * | 1998-05-29 | 2000-02-15 | Sumitomo Chem Co Ltd | 高純度エポキシ樹脂 |
JP2005314512A (ja) * | 2004-04-28 | 2005-11-10 | Japan Epoxy Resin Kk | 液状エポキシ樹脂およびその製造方法、エポキシ樹脂組成物およびその硬化体 |
JP4945958B2 (ja) * | 2005-08-23 | 2012-06-06 | 三菱化学株式会社 | 精製エポキシ樹脂の製造方法 |
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