JP7025554B2 - 低分子量アクリル系樹脂の製造方法 - Google Patents
低分子量アクリル系樹脂の製造方法 Download PDFInfo
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- 238000006116 polymerization reaction Methods 0.000 claims description 36
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- YMZIFDLWYUSZCC-UHFFFAOYSA-N 2,6-dibromo-4-nitroaniline Chemical compound NC1=C(Br)C=C([N+]([O-])=O)C=C1Br YMZIFDLWYUSZCC-UHFFFAOYSA-N 0.000 description 1
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- 125000006176 2-ethylbutyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(C([H])([H])*)C([H])([H])C([H])([H])[H] 0.000 description 1
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- CWNNYYIZGGDCHS-UHFFFAOYSA-N 2-methylideneglutaric acid Chemical compound OC(=O)CCC(=C)C(O)=O CWNNYYIZGGDCHS-UHFFFAOYSA-N 0.000 description 1
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- IUNVCWLKOOCPIT-UHFFFAOYSA-N 6-methylheptylsulfanyl 2-hydroxyacetate Chemical compound CC(C)CCCCCSOC(=O)CO IUNVCWLKOOCPIT-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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- IAXXETNIOYFMLW-COPLHBTASA-N [(1s,3s,4s)-4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl] 2-methylprop-2-enoate Chemical compound C1C[C@]2(C)[C@@H](OC(=O)C(=C)C)C[C@H]1C2(C)C IAXXETNIOYFMLW-COPLHBTASA-N 0.000 description 1
- KYIKRXIYLAGAKQ-UHFFFAOYSA-N abcn Chemical compound C1CCCCC1(C#N)N=NC1(C#N)CCCCC1 KYIKRXIYLAGAKQ-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
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- 238000011088 calibration curve Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- VIBDJEWPNNCFQO-UHFFFAOYSA-N ethane-1,1,2-triol Chemical compound OCC(O)O VIBDJEWPNNCFQO-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229940119545 isobornyl methacrylate Drugs 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- QYZFTMMPKCOTAN-UHFFFAOYSA-N n-[2-(2-hydroxyethylamino)ethyl]-2-[[1-[2-(2-hydroxyethylamino)ethylamino]-2-methyl-1-oxopropan-2-yl]diazenyl]-2-methylpropanamide Chemical compound OCCNCCNC(=O)C(C)(C)N=NC(C)(C)C(=O)NCCNCCO QYZFTMMPKCOTAN-UHFFFAOYSA-N 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- UOMUPDCRXJLVGR-UHFFFAOYSA-N propane-1,2,2-triol Chemical compound CC(O)(O)CO UOMUPDCRXJLVGR-UHFFFAOYSA-N 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 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
- 239000010959 steel Substances 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 230000036962 time dependent Effects 0.000 description 1
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/10—Esters
- C08F20/12—Esters of monohydric alcohols or phenols
- C08F20/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F20/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1808—C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/001—Multistage polymerisation processes characterised by a change in reactor conditions without deactivating the intermediate polymer
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/01—Processes of polymerisation characterised by special features of the polymerisation apparatus used
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/02—Polymerisation in bulk
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/10—Esters
- C08F20/12—Esters of monohydric alcohols or phenols
- C08F20/14—Methyl esters, e.g. methyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/10—Esters
- C08F20/12—Esters of monohydric alcohols or phenols
- C08F20/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2500/00—Characteristics or properties of obtained polyolefins; Use thereof
- C08F2500/02—Low molecular weight, e.g. <100,000 Da.
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Graft Or Block Polymers (AREA)
Description
C=B/A×100%
スクリュー撹拌機を含む前段部(長さ:500mm)とスクリュー撹拌機を含む後段部(長さ:500mm)とからなる反応部、前記反応部の一側末端に備えられた供給部、および前記反応部の他側末端に備えられた排出部を含む連続流反応器を用意した。前記前段部のスクリュー撹拌機の撹拌羽根のピッチは10mmであり、前記撹拌羽根の外郭末端から前記撹拌軸までの最短距離は5mmであった。そして、前記後段部のスクリュー撹拌機の撹拌羽根のピッチは20mmであり、前記撹拌羽根の外郭末端から前記撹拌軸までの最短距離は10mmであった。
熱開始剤の含有量を0.5重量部に調節し、1時間5分間塊状(バルク)で連続重合したことを除けば、実施例1と同様の方法で低分子量アクリル系樹脂を製造した。
熱開始剤の含有量を1重量部に調節し、1時間15分間塊状(バルク)で連続重合したことを除けば、実施例1と同様の方法で低分子量アクリル系樹脂を製造した。
熱開始剤の含有量を0.3重量部に調節したことを除けば、実施例1と同様の方法で低分子量アクリル系樹脂を製造した。
熱開始剤の含有量を0.5重量部に調節したこと、後段部の撹拌羽根のピッチが10mmであり、撹拌羽根の外郭末端から撹拌軸までの最短距離が5mmであること、および1時間20分間塊状(バルク)で連続重合したことを除けば、実施例1と同様の方法で低分子量アクリル系樹脂を製造した。
第2恒温槽の第2熱媒供給部および第2熱媒排出部を介して熱媒のシリコーンオイルを循環させて、後段部の温度を70℃に維持させたことと、2時間塊状(バルク)で連続重合したことを除けば、実施例5と同様の方法で低分子量アクリル系樹脂を製造した。
熱開始剤の含有量を0.7重量部に調節したことを除けば、実施例6と同様の方法で低分子量アクリル系樹脂を製造した。
回分式ガラス反応器に、52重量部の2-エチルヘキシルアクリレート(2-EHA)、38重量部のイソボルニルアクリレート(IBOA)、および10重量部のヒドロキシエチルアクリレート(HEA)を投入し、1時間窒素を投入して反応器内の空気を除去した後、水循環ヒータを用いて反応器の温度を上昇させた。そして、反応器の温度が40℃~80℃に到達した時、2-エチルヘキシルアクリレート(2-EHA)、イソボルニルアクリレート(IBOA)、およびヒドロキシエチルアクリレート(HEA)の総和100重量部に対して、0.2重量部のアゾ系熱開始剤[2,2’-アゾビス(4-メトキシ-2,4-ジメチルバレロニトリル);V-70、Wako]を投入して前記回分式ガラス反応器内の重合反応を誘導した。
別途のスクリュー撹拌機を備えていない反応部、前記反応部の一側末端に備えられた供給部、および前記反応部の他側末端に備えられた排出部を含む連続流反応器を用意した。
52重量部の2-エチルヘキシルアクリレート(2-EHA)、38重量部のイソボルニルアクリレート(IBOA)、および10重量部のヒドロキシエチルアクリレート(HEA)の総和100重量部に対して、0.06重量部の光重合開始剤(Irgacure184、CIBA)、0.12重量部の分子量調節剤(イソオクチル-チオグリコレート)、および30重量部のエチルアセテート溶剤を含む溶剤型アクリル系組成物を用意した。
52重量部の2-エチルヘキシルアクリレート(2-EHA)、38重量部のイソボルニルアクリレート(IBOA)、および10重量部のヒドロキシエチルアクリレート(HEA)を投入し、1時間窒素を投入して反応器内の空気を除去した後、水循環ヒータを用いて反応器の温度を上昇させた。そして、反応器の温度が40℃~80℃に到達した時、2-エチルヘキシルアクリレート(2-EHA)、イソボルニルアクリレート(IBOA)、およびヒドロキシエチルアクリレート(HEA)の総和100重量部に対して、0.002重量部のアゾ系熱開始剤[2,2’-アゾビス(4-メトキシ-2,4-ジメチルバレロニトリル);V-70、Wako]、および0.12重量部の分子量調節剤(ドデシルメルカプタン)を投入して前記回分式ガラス反応器内の重合反応を誘導して低分子量アクリル系樹脂を製造した。
実施例1~実施例7および比較例2~比較例4による低分子量アクリル系樹脂をテトラヒドロフラン溶媒に溶かして前記低分子量アクリル系樹脂の濃度が1wt%の試料を製造した。
実施例1~実施例7および比較例2~比較例4による低分子量アクリル系樹脂0.1g(A)を採取して試料を製造した。
100:反応部
101:スクリュー撹拌機
102;撹拌軸
103:撹拌羽根
200:供給部
300:排出部
400:恒温槽
401:熱媒供給部
402:熱媒排出部
Claims (7)
- 1種以上の(メタ)アクリレート系単量体および熱開始剤を含む無溶剤型アクリル系組成物を、スクリュー撹拌機を含み前段部と後段部からなる反応部、供給部、および排出部を含む連続流反応器で連続重合して低分子量アクリル系樹脂を製造する方法であって、
前記無溶剤型アクリル系組成物を前記供給部を介して前記反応部に供給するステップと、
前記前段部の温度を100℃以上150℃以下に維持し、前記後段部の温度を70℃以上110℃以下に維持し、前記供給された組成物を連続重合して重量平均分子量が20,000g/mol以上150,000g/mol以下の低分子量アクリル系樹脂を形成するステップと、
前記低分子量アクリル系樹脂を前記排出部を介して排出するステップとを含み、
前記無溶剤型アクリル系組成物は、30mL/min以上200mL/min以下の供給流量で前記反応部に供給され、
前記熱開始剤は、前記(メタ)アクリレート系単量体100重量部に対して、0.1重量部以上1重量部以下の含有量で含まれる、低分子量アクリル系樹脂の製造方法。 - 前記無溶剤型アクリル系組成物は、分子量調節剤を含まない、請求項1に記載の低分子量アクリル系樹脂の製造方法。
- 前記スクリュー撹拌機の隣接する撹拌羽根間の離隔距離は、10mm以上20mm以下である、請求項1又は2に記載の低分子量アクリル系樹脂の製造方法。
- 前記スクリュー撹拌機の撹拌羽根の外郭末端から撹拌軸までの最短距離は、5mm以上10mm以下である、請求項1~3のいずれか一項に記載の低分子量アクリル系樹脂の製造方法。
- 前記低分子量アクリル系樹脂を形成するステップは、1時間以上2時間以下の時間で行われる、請求項1~4のいずれか一項に記載の低分子量アクリル系樹脂の製造方法。
- 前記低分子量アクリル系樹脂を形成するステップは、反応部の内部圧力を5bar以下に維持させて行われる、請求項1~5のいずれか一項に記載の低分子量アクリル系樹脂の製造方法。
- 下記一般式1によって測定した前記アクリル系樹脂の転化率は、70%以上99%以下である、請求項1~6のいずれか一項に記載の低分子量アクリル系樹脂の製造方法:
[一般式1]
C=B/A×100%
前記一般式1中、Aは、低分子量アクリル系樹脂の重量(g)を意味し、Bは、前記低分子量アクリル系樹脂を150℃の温度で50分の時間で乾燥して得られた乾燥物の重量(g)を意味し、Cは、転化率(%)を意味する。
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