JP4458682B2 - 熱可塑性樹脂用加工性改良剤およびそれを含む熱可塑性樹脂組成物 - Google Patents
熱可塑性樹脂用加工性改良剤およびそれを含む熱可塑性樹脂組成物 Download PDFInfo
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Description
0.5〜3重量部であることがより好ましい。前記加工性改良剤の量が0.1重量部未満では、効果が充分発現できず、20重量部を超えると、透明性が低下し、フイッシュアイが多くなる傾向がある。
次式により重合転化率を算出した。
重合転化率(%)=
(重合生成量/モノマー仕込量)×100
ロール剥離性評価としては、ポリ塩化ビニル(カネビニールS1007、鐘淵化学工業(株)製)100部、加工性改良剤1部と、オクチルスズメルカプト系安定剤(TVS#8831、日東化成(株)製)2.0部および滑剤(カルコール8668、花王(株)製)1.0部、ジオクチルフタレート(DOP)3.0部の混合物を190℃の6インチロールを用いて混練し、10分後のロール表面からの剥離性を比較した。評価は10点法を採用し、以下に示すような基準に基づき、10を剥離特性最高、1を最低とした。
10:ロール表面からシートが剥離可能な状態の持続時間が10分以上である。
5:ロール表面からシートが剥離可能な状態の持続時間が5分以上6分未満である。
1:ロール表面からシートが剥離可能な状態の持続時間が2分未満である。
透明性の評価は、8インチテストロールを用いて170℃で5分間の混練を行ったあと、180℃で15分間加圧プレスし、厚さ3mmのプレス板を作製した。このプレス板の全光線透過率および曇価を、JIS−6714にしたがって積分球式光線透過率測定装置で測定した。全光線透過率は数字が大きいほど透明性がよいことを示す。曇価は数字が小さいほど透明性がよいことを示す。
攪拌機および冷却器付きの8リットル反応容器に、蒸留水200部、ジオクチルスルホコハク酸エステルソーダ
1.2部、エチレンジアミンテトラ酢酸ナトリウム0.01部、硫酸第一鉄7水塩0.005部、ナトリウムホルムアルデヒドハイドロサルファイト0.5部を入れた。ついで、容器内を窒素で置換したあと、攪拌しながら反応容器を60℃に昇温した。つぎにメチルメタクリレート(MMA)30重量%、スチレン(St)19重量%、ターシャリーブチルハイドロパーオキサイド(TBHP)0.2部の混合物を2時間にわたって連続添加した。添加終了1時間後に、St35重量%、ブチルアクリレート(BA)15重量%、グリシジルメタクリレート(GMA)1.0重量%、2−エチルヘキシルチオグリコレート(2EHTG)1.0部およびTBHP 0.8部の混合物を3時間にわたって連続添加した。添加終了後さらに1時間攪拌し、そののち冷却して、ラテックスを得た。重合転化率は99.4%であった。
表1に示した組成にしたがって、実施例1と同様の方法により、試料(2)〜(10)を得た。得られた試料を用いて前記ロール剥離性評価を行った。結果を表1に示す。
攪拌機および冷却器付きの反応容器に、蒸留水 200部、ジオクチルスルホコハク酸エステルソーダ1.2部、エチレンジアミンテトラ酢酸ナトリウム 0.01部、硫酸第一鉄7水塩 0.005部、ナトリウムホルムアルデヒドハイドロサルファイト 0.5部を入れた。ついで容器内を窒素で置換したあと、攪拌しながら反応容器を60℃に昇温し、MMA 24重量%、St 15重量%、TBHP 0.2部の混合物を2時間にわたって連続添加した。添加終了1時間後に、St 35重量%、BA 15重量%、GMA 1.0重量%、2EHTG 1.0部およびTBHP 0.7部の混合物を3時間にわたって連続添加した。添加終了1時間後に、MMA 10重量%、TBHP0.1部の混合物を30分間にわたって連続添加した。添加終了後さらに1時間攪拌し、そののち冷却して、ラテックスを得た。
表2に示した組成にしたがって、実施例8と同様の方法により、試料(12)〜(20)を得た。得られた試料を用いて前記ロール剥離性評価を行った。結果を表2に示す。
実施例8で使用したGMA以外の全モノマーを100重量部とし、それに対して表3に示す各モノマーを、それぞれの配合量(部)で使用し、実施例8と同様の方法によって試料(21)〜(28)を得た。得られた試料を用いて前記ロール剥離性評価を行った。結果を表3に示す。
2EHTG 1.0部を表4に示す化合物に置き換えた以外は、実施例8と同様の方法により試料(29)〜(37)を得た。得られた試料を用いて前記ロール剥離性評価を行った。結果を表4に示す。
TBHP 1.0部を表5に示す化合物に置き換えた以外は、実施例8と同様の方法により試料(38)〜(44)を得た。得られた試料を用いて前記ロール剥離性評価を行った。結果を表5に示す。
実施例8で得られた試料(11)を、表6に示した組成割合で塩化ビニル系樹脂とブレンドし、前記透明性およびロール剥離性評価を行った。結果を表6に示す。
実施例8で得られた試料(11)を、表7に示す組成割合で、熱可塑性樹脂、ポリ塩化ビニルおよびほかの熱可塑性樹脂の混合物とブレンドし、前記ロール剥離性評価を行った。結果を表7に示す。
2EHTG 1.0部をターシャリードデシルメルカプタン(TDM)1.0部に置き換えた以外は、実施例1と同様の方法により試料(45)を得た。重合転化率は99.6%であった。得られた試料の重量平均分子量をGPCで測定したところ、7万であった。
表8に示す組成にしたがって、参考例41と同様の方法により、試料(46)〜(57)を得た。
2EHTG 1.0部をTDM 1.0部に置き換えた以外は、実施例1と同様の方法により試料(58)を得た。重合転化率は99.7%であった。得られた試料の重量平均分子量をGPCで測定したところ、9万であった。
表9に示す組成にしたがって、参考例50と同様の方法により、試料(59)〜(70)を得た。得られた試料を用いてロール剥離性評価を行った。結果を表9に示す。
参考例50で使用したGMA以外の全モノマーを100重量部とし、それに対して表3に示す各モノマーをそれぞれの配合量(重量部)で使用し、参考例50と同様の方法により試料(71)〜(78)を得た。得られた試料を用いて前記ロール剥離性評価を行った。結果を表10に示す。
TBHP 1.0部を表11に示す重合開始剤に置き換えた以外は、参考例50と同様の方法により試料(79)〜(85)を得た。得られた試料を用いて前記ロール剥離性評価を行った。結果を表11に示す。
参考例50で得られた試料(58)を、表12に示す組成割合で塩化ビニル系樹脂と混合し、透明性およびロール剥離性評価を行った。結果を表12に示す。
参考例50で得られた試料(58)を、表13に示す組成割合で熱可塑性樹脂およびポリ塩化ビニルとほかの熱可塑性樹脂の混合物と混合し、前記ロール剥離性評価を行った。結果を表13に示す。
Claims (6)
- 連鎖移動剤としてアルキル基の炭素数が4〜20個のアルキルエステル基を有するメルカプタンを用い、
アルキル(メタ)アクリレート、またはアルキル(メタ)アクリレートとこれと共重合可能なほかのビニルモノマーとを重合することにより得られ、
さらに重合開始剤としてターシャリーブチルパーオキシ基を有する有機過酸化物を用い、
アルキル(メタ)アクリレートとしてエステル結合のほかに酸素原子を有する(メタ)アクリレート0.1〜10重量%、ほかのアルキルアクリレート10〜99.9重量%、さらに、これらと共重合可能なほかのビニルモノマー0〜89.9重量%を重合して得られ、
ターシャリーブチルパーオキシ基を有する有機過酸化物の添加量が、全モノマー100重量部に対して0.1〜5重量部である重量平均分子量1万〜30万の熱可塑性樹脂用加工性改良剤。 - 熱可塑性樹脂100重量部と、請求項1記載の熱可塑性樹脂用加工性改良剤0.1〜20重量部からなる熱可塑性樹脂組成物。
- 熱可塑性樹脂が、塩化ビニル系樹脂、ポリエチレン、ポリプロピレン、ポリエステル、ポリスチレン、ポリカーボネート、メタクリル樹脂、またはABS樹脂である請求項2記載の熱可塑性樹脂組成物。
- エステル結合のほかに酸素原子を有する(メタ)アクリレートが、エポキシ基含有(メタ)アクリレートである請求項1記載の熱可塑性樹脂用加工性改良剤。
- エステル結合のほかに酸素原子を有する(メタ)アクリレートが、ヒドロキシ基含有(メタ)アクリレートである請求項1記載の熱可塑性樹脂用加工性改良剤。
- エステル結合のほかに酸素原子を有する(メタ)アクリレートが、アルコキシ基含有(メタ)アクリレートである請求項1記載の熱可塑性樹脂用加工性改良剤。
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JP11679199 | 1999-04-23 | ||
JP13492499 | 1999-05-14 | ||
PCT/JP2000/002435 WO2000064983A1 (fr) | 1999-04-23 | 2000-04-14 | Adjuvant de traitement d'une resine thermoplastique et composition de resine thermoplastique contenant cet adjuvant |
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US (1) | US7105602B1 (ja) |
EP (1) | EP1209203B1 (ja) |
JP (1) | JP4458682B2 (ja) |
KR (1) | KR100656027B1 (ja) |
CN (1) | CN1147541C (ja) |
AU (1) | AU769703B2 (ja) |
BR (1) | BR0009309A (ja) |
CA (1) | CA2372093C (ja) |
DE (1) | DE60030136T2 (ja) |
MX (1) | MXPA01010632A (ja) |
MY (1) | MY129003A (ja) |
TW (1) | TW524824B (ja) |
WO (1) | WO2000064983A1 (ja) |
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-
2000
- 2000-04-14 EP EP00915526A patent/EP1209203B1/en not_active Expired - Lifetime
- 2000-04-14 US US09/926,085 patent/US7105602B1/en not_active Expired - Lifetime
- 2000-04-14 DE DE60030136T patent/DE60030136T2/de not_active Expired - Lifetime
- 2000-04-14 CN CNB008066779A patent/CN1147541C/zh not_active Expired - Lifetime
- 2000-04-14 MX MXPA01010632A patent/MXPA01010632A/es not_active Application Discontinuation
- 2000-04-14 KR KR1020017013193A patent/KR100656027B1/ko not_active IP Right Cessation
- 2000-04-14 CA CA002372093A patent/CA2372093C/en not_active Expired - Fee Related
- 2000-04-14 WO PCT/JP2000/002435 patent/WO2000064983A1/ja active IP Right Grant
- 2000-04-14 AU AU36789/00A patent/AU769703B2/en not_active Ceased
- 2000-04-14 BR BR0009309-2A patent/BR0009309A/pt not_active Application Discontinuation
- 2000-04-14 JP JP2000614325A patent/JP4458682B2/ja not_active Expired - Fee Related
- 2000-04-15 TW TW089107061A patent/TW524824B/zh not_active IP Right Cessation
- 2000-04-21 MY MYPI20001731A patent/MY129003A/en unknown
Also Published As
Publication number | Publication date |
---|---|
KR100656027B1 (ko) | 2006-12-08 |
BR0009309A (pt) | 2002-02-05 |
CN1147541C (zh) | 2004-04-28 |
WO2000064983A1 (fr) | 2000-11-02 |
MY129003A (en) | 2007-03-30 |
EP1209203B1 (en) | 2006-08-16 |
CA2372093C (en) | 2008-07-29 |
DE60030136T2 (de) | 2007-07-19 |
AU3678900A (en) | 2000-11-10 |
DE60030136D1 (de) | 2006-09-28 |
AU769703B2 (en) | 2004-01-29 |
CN1348482A (zh) | 2002-05-08 |
MXPA01010632A (es) | 2003-08-20 |
EP1209203A1 (en) | 2002-05-29 |
EP1209203A4 (en) | 2002-07-24 |
US7105602B1 (en) | 2006-09-12 |
KR20020002430A (ko) | 2002-01-09 |
CA2372093A1 (en) | 2000-11-02 |
TW524824B (en) | 2003-03-21 |
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