JP2015137262A - 有機過酸化物組成物及びこれを用いたビニルモノマーの重合方法 - Google Patents
有機過酸化物組成物及びこれを用いたビニルモノマーの重合方法 Download PDFInfo
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- 239000000203 mixture Substances 0.000 title claims abstract description 44
- 239000000178 monomer Substances 0.000 title claims abstract description 39
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 title claims description 18
- 229920002554 vinyl polymer Polymers 0.000 title claims description 17
- 238000000034 method Methods 0.000 title claims description 10
- 238000006116 polymerization reaction Methods 0.000 title description 22
- 239000003505 polymerization initiator Substances 0.000 claims abstract description 32
- 239000001257 hydrogen Substances 0.000 claims abstract description 11
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 8
- 230000000379 polymerizing effect Effects 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 abstract description 33
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 15
- 238000006243 chemical reaction Methods 0.000 description 15
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 12
- 239000004908 Emulsion polymer Substances 0.000 description 10
- 239000003638 chemical reducing agent Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
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- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 6
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 6
- 238000007720 emulsion polymerization reaction Methods 0.000 description 6
- CIHOLLKRGTVIJN-UHFFFAOYSA-N tert‐butyl hydroperoxide Chemical compound CC(C)(C)OO CIHOLLKRGTVIJN-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
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- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
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- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
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- 235000003891 ferrous sulphate Nutrition 0.000 description 2
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- 238000009408 flooring Methods 0.000 description 2
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- 229940051250 hexylene glycol Drugs 0.000 description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
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- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 description 1
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 1
- RUMACXVDVNRZJZ-UHFFFAOYSA-N 2-methylpropyl 2-methylprop-2-enoate Chemical compound CC(C)COC(=O)C(C)=C RUMACXVDVNRZJZ-UHFFFAOYSA-N 0.000 description 1
- CFVWNXQPGQOHRJ-UHFFFAOYSA-N 2-methylpropyl prop-2-enoate Chemical compound CC(C)COC(=O)C=C CFVWNXQPGQOHRJ-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- XPFCZYUVICHKDS-UHFFFAOYSA-N 3-methylbutane-1,3-diol Chemical compound CC(C)(O)CCO XPFCZYUVICHKDS-UHFFFAOYSA-N 0.000 description 1
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 description 1
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- OSDWBNJEKMUWAV-UHFFFAOYSA-N Allyl chloride Chemical compound ClCC=C OSDWBNJEKMUWAV-UHFFFAOYSA-N 0.000 description 1
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- PWGBSOYMGISFBS-UHFFFAOYSA-N CC(C)C.NC(=O)C=C.NC(=O)C=C Chemical compound CC(C)C.NC(=O)C=C.NC(=O)C=C PWGBSOYMGISFBS-UHFFFAOYSA-N 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
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- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
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Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polymerization Catalysts (AREA)
Abstract
Description
本発明の有機過酸化物組成物は、ハイドロパーオキサイドである下記式1に示す有機過酸化物(A)、ジアルキルパーオキサイドである下記式2に示す有機過酸化物(B)及び水を含む。
本発明の有機過酸化物組成物を重合開始剤に用いてビニルモノマーを乳化重合するにあたっては、その方法に特に制限はなく従来公知の乳化重合方法が採用される。ビニルモノマーの重合系への添加方法においては、初期に全ビニルモノマーを一括して添加する方法、ビニルモノマーの一部を添加して重合を開始した後残りのビニルモノマーを逐次的にあるいは間欠的に添加する方法、ビニルモノマーと分散安定剤水溶液をあらかじめ乳化しておきそれを添加する方法等が挙げられる。
(実施例1−1)
攪拌機を備えた1000ml四つ口フラスコに、60%過酸化水素354.3質量部を加えた後、98%硫酸250.2質量部を加えた。反応容器内を20℃に保ったまま、ヘキシレングリコール295.4質量部を20分かけて滴下し、反応温度を20℃に保ちながら2時間攪拌した。反応終了後、反応容器内に硫酸アンモニウム280質量部を加えて油相と水相を分離した。得られた油相を40%硫酸ナトリウム水溶液で3回洗浄した後、炭酸水素ナトリウムを加えて油相を中和した。硫酸マグネシウムを用いて脱水後、濾過を行うことで、表1に示される組成の有機過酸化物組成物を得た。
反応に用いた原料の使用量および洗浄に用いた硫酸アンモニウム水溶液の濃度を表1に記載の量に変更した以外は、実施例1−1と同様にして有機過酸化物組成物を得た。
反応に用いた原料をヘキシレングリコールからイソプレングリコールに変更した以外は、実施例1−1と同様にして有機過酸化物組成物を得た。
攪拌機を備えた500ml四つ口フラスコに、実施例1−1で得られた有機過酸化物組成物100質量部を加えた。反応容器内を20℃に保ったまま、10%水酸化ナトリウム水溶液300質量部を加えて有機過酸化物(I)を水相に抽出した。回収した水相を酢酸で中和した後、ジエチルエーテル300質量部を用いて有機過酸化物(I)を油相に抽出した。得られた油相を硫酸マグネシウムで脱水し、ジエチルエーテルを留去した後、所定量の水を加えて、比較例1−1に示す有機過酸化物組成物を調製した。
(実施例3−1)
攪拌機、原料投入口、窒素吹き込み口を備えた500mlフラスコに、イオン交換水256.7質量部、アニオン製界面活性剤としてラピゾールA−80(日油製)3.9質量部、還元剤としてL−アスコルビン酸(和光純薬製)0.05質量部を混合し、窒素を10ml/min吹き込みながら、300rpm/minで攪拌した。反応容器内を60℃に昇温した後に、アクリル酸ブチル68.8質量部、メタクリル酸メチル10.3質量部、スチレン24.0質量部、アクリル酸6.9質量部および重合開始剤として実施例1−1に示す有機化酸化物組成物0.10質量部を混合したモノマー溶液を4時間かけて滴下し、反応温度を60℃に保ちながら1時間攪拌して乳化重合物を得た。
重合に使用した重合開始剤および還元剤を表2に記載する添加量に変更した以外は、実施例3−1と同様にして乳化重合物を得た。
重合に使用した還元剤をそれぞれロンガリット、硫酸第一鉄に変更した以外は、実施例3−1と同様にして乳化重合物を得た。
重合に使用した重合開始剤を表1に記載の有機過酸化物組成物(実施例1−2〜1−6、2−1)に変更した以外は、実施例3−1と同様にして乳化重合物を得た。
重合に使用した重合開始剤を表1に記載の有機過酸化物組成物(比較例1−1、1−2)に変更した以外は、実施例3−1と同様にして乳化重合物を得た。
重合に使用した重合開始剤をt−ブチルハイドロパーオキサイド(日油製、製品名:パーブチルH−69)に変更した以外は、実施例3−1と同様にして乳化重合物を得た。
攪拌機、原料投入口、窒素吹き込み口を備えた500mLフラスコに、イオン交換水256.7質量部、アニオン製界面活性剤としてラピゾールA−80(日油製)3.9質量部、重合開始剤として過硫酸カリウム(和光純薬製)0.10質量部を混合し、窒素を10ml/min吹き込みながら、300rpm/minで攪拌した。反応容器内を60℃に昇温した後に、アクリル酸n−ブチル68.8質量部、メタクリル酸メチル10.3質量部、スチレン24.0質量部、アクリル酸6.9質量部を混合したモノマー溶液を4時間かけて滴下し、反応温度を60℃に保ちながら1時間攪拌して乳化重合物を得た。
スクリュー管瓶中に乳化重合物を1g入れた後、メタノール10mlを加えポリマーを析出させた。次に、n−ノナン(内部標準物質)0.25gをメタノール50mlで希釈した溶液2mlを加え、0.45μlのメンブランフィルターで濾過した後、測定した。検量線は各モノマーと内部標準物質n−ノナンをメタノールで希釈し3点で求めた。
<分析条件>
GC :SHIMADZU GC−2014
カラム :HR−1、信和化工社製、15m、内径0.53mm、膜厚1.0μm
カラム温度:40℃で10分間保持→250℃まで毎分10℃の昇温
INJ :100℃
DET :250℃
スクリュー管瓶中に乳化重合物を3g入れた後、メタノール100mlを加えポリマーを析出させた。析出したポリマーを濾別し、150℃の乾燥機で重量が恒量するまで乾燥した。乾燥したポリマー0.05〜0.08gをスクリュー管瓶に計り取り、テトラヒドロフラン約25mlを加えて完全に溶解させ、0.20μlのメンブランフィルターで濾過した後、ゲル浸透クロマトグラフィ(GPC)にて測定した。
<分析条件>
GPC装置:TOSOH HLC−8320GPC
カラム:TOSOH TSKgel Super Multipore Hz−M、15cm、4.6mID、2本
カラム温度:40℃
展開溶媒:テトラヒドロフラン、0.35ml/min
JIS-K-1557に準じて求めた水酸基価(KOHmg/g)と上記で測定した数平均分子量の値を元に、次の式より算出した。
平均末端水酸基数(個/ポリマー)={(水酸基価/1000)/56.11}/(1/数平均分子量)
0.7の水酸基が含まれており、ポリマーの末端に重合開始剤由来の水酸基が導入されることが確認された。
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