JP2005187504A - ビニル系重合体組成物の製造方法 - Google Patents
ビニル系重合体組成物の製造方法 Download PDFInfo
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- JP2005187504A JP2005187504A JP2003427039A JP2003427039A JP2005187504A JP 2005187504 A JP2005187504 A JP 2005187504A JP 2003427039 A JP2003427039 A JP 2003427039A JP 2003427039 A JP2003427039 A JP 2003427039A JP 2005187504 A JP2005187504 A JP 2005187504A
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- 238000000691 measurement method Methods 0.000 description 1
- NKHAVTQWNUWKEO-IHWYPQMZSA-N methyl hydrogen fumarate Chemical compound COC(=O)\C=C/C(O)=O NKHAVTQWNUWKEO-IHWYPQMZSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
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- NKHAVTQWNUWKEO-NSCUHMNNSA-N monomethyl fumarate Chemical compound COC(=O)\C=C\C(O)=O NKHAVTQWNUWKEO-NSCUHMNNSA-N 0.000 description 1
- 229940005650 monomethyl fumarate Drugs 0.000 description 1
- UTSYWKJYFPPRAP-UHFFFAOYSA-N n-(butoxymethyl)prop-2-enamide Chemical compound CCCCOCNC(=O)C=C UTSYWKJYFPPRAP-UHFFFAOYSA-N 0.000 description 1
- LSWADWIFYOAQRZ-UHFFFAOYSA-N n-(ethoxymethyl)prop-2-enamide Chemical compound CCOCNC(=O)C=C LSWADWIFYOAQRZ-UHFFFAOYSA-N 0.000 description 1
- YOZHLACIXDCHPV-UHFFFAOYSA-N n-(methoxymethyl)-2-methylprop-2-enamide Chemical compound COCNC(=O)C(C)=C YOZHLACIXDCHPV-UHFFFAOYSA-N 0.000 description 1
- ULYOZOPEFCQZHH-UHFFFAOYSA-N n-(methoxymethyl)prop-2-enamide Chemical compound COCNC(=O)C=C ULYOZOPEFCQZHH-UHFFFAOYSA-N 0.000 description 1
- XTMDYDPHCFUVKQ-UHFFFAOYSA-N n-(propoxymethyl)prop-2-enamide Chemical compound CCCOCNC(=O)C=C XTMDYDPHCFUVKQ-UHFFFAOYSA-N 0.000 description 1
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- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 239000002685 polymerization catalyst Substances 0.000 description 1
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- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000007717 redox polymerization reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
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- 150000003440 styrenes Chemical class 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- SWAXTRYEYUTSAP-UHFFFAOYSA-N tert-butyl ethaneperoxoate Chemical compound CC(=O)OOC(C)(C)C SWAXTRYEYUTSAP-UHFFFAOYSA-N 0.000 description 1
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- 239000013638 trimer Substances 0.000 description 1
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Abstract
【解決手段】ビニル系モノマーを含む原料を槽型反応器に連続的に供給し、且つ生成した重合体組成物を連続的に抜き出しながら、該反応器内に滞在する所定容積の反応液に対して連続槽型の重合反応を行うビニル系重合体組成物の製造方法において、前記重合反応のスタートアップの前に、前記所定容積の1割以上に相当する量の溶剤を予め前記反応器に供給し、その後、前記重合反応を行うことを特徴とするビニル系重合体組成物の製造方法。
【選択図】なし
Description
mf:原料供給量[g/min]
cf:原料比熱[J/g℃]
Tf:原料供給温度[℃]
Ti:系内の溶剤温度[℃]
Mi:系内に仕込んだ溶剤量[g]
Ci:系内に仕込んだ溶剤比熱[J/g℃]。
ジャケット温度を260℃に保ち、20kgのSS150(新日本石油化学(株)製)を仕込んだ槽型反応容器(以下、反応槽と称す)へ、スチレン80部、ブチルアクリレート20部に、および、重合開始剤としてジターシャリーブチルパーオキサイド(日本油脂(株)製、商品名パーブチルD)0.5部からなる原料混合物を、2kg/minで供給した。また、反応槽内に滞在する反応液の質量を20kgに保つように、2kg/minで反応液を抜き出しながら、重合反応を行なった。この原料供給の熱バランスのみによる系内の温度上昇速度vtは、−17[℃/min]である。そのときのジャケット温度、反応槽の温度等を表1に示す。本実施例では、温度は一旦低下するが、低下量は大きくなく、温度は速やかに安定した。
反応槽へ予め何も仕込まずに原料供給し、かつ反応槽内に滞在する反応液の質量を20kgに保つように表2に示すように抜き出したこと以外は、実施例1と同様にして重合反応を行った。vtは−∞[℃/min]である。結果を表2に示す。本比較例では、原料供給に伴い温度が大きく低下し、しばらくして温度が急激に上昇する、いわゆる暴走反応となった。
原料混合物にもSS150を40部混合してから供給し、かつ反応槽内に滞在する反応液の質量を20kgに保つように表3に示すように抜き出したこと以外は、実施例1と同様にして重合反応を行った。vtは−34[℃/min]である。結果を表3に示す。本実施例では、温度は一旦低下するが、低下量は大きくなく、温度は速やかに安定した。
反応槽へ予め仕込むSS150の量を2kgに変更したこと以外は、実施例2と同様にして重合反応を行った。vtは−170[℃/min]である。結果を表4に示す。本参考例では、原料供給に伴い温度が大きく低下し、しばらくして暴走反応となった。
ジャケット温度を220℃に保ち、10kgのSS150を仕込んだ反応槽へ、スチレン80部、ブチルアクリレート20部、SS150を40部、および、ジターシャリーブチルパーオキサイド0.5部からなる原料混合物を、表5に示すように0.4kg/minで10min供給し、その後5minで2kg/minに比例的に増量した。また、槽内の重量を20kgに保つように、表5に示す量で抜き出しながら、重合反応を行なった。vtは−7[℃/min]である。結果を表5に示す。本実施例では、温度は一旦低下するが、低下量は大きくなく、温度は速やかに安定した。
ジャケット温度を220℃に保ち、2kgのSS150を仕込んだ反応槽へ、スチレン80部、ブチルアクリレート20部、SS150を40部、および、ジターシャリーブチルパーオキサイド0.5部からなる原料混合物を、表6に示すように0.04kg/minで10min供給し、その後30minで2kg/minに比例的に増量した。また、初期の10minは抜き出しを行わず、槽内の液の質量を抜き出し量で割った滞在時間が10minとなるように、表6に示す速度で抜き出した。vtは−3[℃/min]である。結果を表6に示す。本実施例では、温度は一旦低下するが、低下量は大きくなく、温度は速やかに安定した。
ジャケット温度を200℃に保ち、2kgのSS150を仕込んだ反応槽へ、スチレン10部、i−ブチルメタクリレート30部、グリシジルメタクリレート30部、2−ヒドロキシエチルメタクリレート30部、SS150を25部、および、ジターシャリーブチルパーオキサイド2部からなる原料混合物を、表7に示すように0.04kg/minで10min供給し、その後30minで2kg/minに比例的に増量した。また、初期の10minは抜き出しを行わず、槽内の液の質量を抜き出し量で割った滞在時間が10minとなるように表7に示す速度で抜き出した。vtは−3[℃/min]である。結果を表7に示す。本実施例では、温度は一旦低下するが、低下量は大きくなく、実施例4と同様に温度は速やかに安定した。
ジャケット温度を表8に示すようにしたこと以外は、実施例5と同様にして重合反応を行った。このジャケット温度は220℃で開始し、重合温度が低下しないように、ジャケット温度を245℃まで上昇させた。結果を表8に示す。本実施例では、温度は一旦低下するが、低下量は大きくなく、実施例5と同様に温度は速やかに安定した。実施例5および6の結果から、ジャケット温度のみを変化させて重合温度を変化させた場合も、問題なく温度が安定することがわかる。
ジャケット温度を180℃に保ち、20kgのSS150を仕込んだ反応槽へ、スチレン30部、メチルメタクリレート35部、無水マレイン酸30部、SS150を40部、および、ジターシャリーブチルパーオキサイド6部からなる原料混合物を、表9に示すように0.4kg/minで20min供給し、その後20minで2kg/minに比例的に増量し、また槽内の反応液の質量が20kgとなるように、供給量と同量を抜き出した。結果を表9に示す。原料供給温度は30℃、vtは−3[℃/min]である。本実施例では温度は安定していた。
ジャケット温度を200℃に保ち、原料供給温度を45℃にしたこと以外は、実施例7と同様の重合反応を行った。結果を表10に示す。本実施例では温度は安定していた。
ジャケット温度を180℃に保ち、反応槽へは何も仕込まず、実施例7と同様の原料混合物を2kg/minで供給した。槽内の液の質量が20kgとなるように、表11に示すように抜き出した。結果を表11に示す。vtは−∞[℃/min]である。本比較例では、初期には温度が低いが、徐々に昇温され、しばらくして暴走反応となった。
Claims (5)
- ビニル系モノマーを含む原料を槽型反応器に連続的に供給し、且つ生成した重合体組成物を連続的に抜き出しながら、該反応器内に滞在する所定容積の反応液に対して連続槽型の重合反応を行うビニル系重合体組成物の製造方法において、
前記重合反応のスタートアップの前に、前記所定容積の1割以上に相当する量の溶剤を予め前記反応器に供給し、その後、前記重合反応を行うことを特徴とするビニル系重合体組成物の製造方法。 - 予め反応器に供給した溶剤を80℃以上に昇温し、その後、重合反応を行う請求項1記載のビニル系重合体組成物の製造方法。
- ビニル系モノマーを含む原料が、ビニル系モノマー100質量部に対して500質量部以下の溶剤を含む請求項1または2記載のビニル系重合体組成物の製造方法。
- ビニル系モノマーが、スチレン系モノマーおよび/またはアクリル系モノマーを含む請求項1〜3の何れか一項記載のビニル系重合体組成物の製造方法。
- 下記式(1)で表される原料供給による熱バランスによる系内の温度上昇速度vt[℃/min]が、−50<vt<0である請求項1〜4の何れか一項記載のビニル系重合体組成物の製造方法。
vt=[mf・cf・(Tf−Ti)]/(Mi・Ci) (1)
mf:原料供給量[g/min]
cf:原料比熱[J/g℃]
Tf:原料供給温度[℃]
Ti:系内の溶剤温度[℃]
Mi:系内に仕込んだ溶剤量[g]
Ci:系内に仕込んだ溶剤比熱[J/g℃]
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JPH06508875A (ja) * | 1991-07-05 | 1994-10-06 | アイエスピー インヴェストメンツ インコーポレイテッド | ベンゼンを含まない無水マレイン酸/ビニルエーテル重合体 |
JP2002201221A (ja) * | 2000-10-30 | 2002-07-19 | Nippon Shokubai Co Ltd | (メタ)アクリル酸(塩)系重合体およびその製造方法 |
JP2003268015A (ja) * | 2002-03-19 | 2003-09-25 | Nippon Shokubai Co Ltd | 水溶性重合体組成物の製造装置 |
JP2003268012A (ja) * | 2002-03-19 | 2003-09-25 | Nippon Shokubai Co Ltd | 水溶性重合体の製造装置 |
JP2003321644A (ja) * | 2002-05-02 | 2003-11-14 | Mitsubishi Rayon Co Ltd | 熱硬化性被覆用組成物、及び該組成物を用いてなる塗料 |
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JPH06508875A (ja) * | 1991-07-05 | 1994-10-06 | アイエスピー インヴェストメンツ インコーポレイテッド | ベンゼンを含まない無水マレイン酸/ビニルエーテル重合体 |
JP2002201221A (ja) * | 2000-10-30 | 2002-07-19 | Nippon Shokubai Co Ltd | (メタ)アクリル酸(塩)系重合体およびその製造方法 |
JP2003268015A (ja) * | 2002-03-19 | 2003-09-25 | Nippon Shokubai Co Ltd | 水溶性重合体組成物の製造装置 |
JP2003268012A (ja) * | 2002-03-19 | 2003-09-25 | Nippon Shokubai Co Ltd | 水溶性重合体の製造装置 |
JP2003321644A (ja) * | 2002-05-02 | 2003-11-14 | Mitsubishi Rayon Co Ltd | 熱硬化性被覆用組成物、及び該組成物を用いてなる塗料 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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EXPY | Cancellation because of completion of term |