JP6618611B2 - 変性単量体、これを含む変性重合体及びこれらの製造方法 - Google Patents
変性単量体、これを含む変性重合体及びこれらの製造方法 Download PDFInfo
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- JP6618611B2 JP6618611B2 JP2018510753A JP2018510753A JP6618611B2 JP 6618611 B2 JP6618611 B2 JP 6618611B2 JP 2018510753 A JP2018510753 A JP 2018510753A JP 2018510753 A JP2018510753 A JP 2018510753A JP 6618611 B2 JP6618611 B2 JP 6618611B2
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- Prior art keywords
- styrene
- modified polymer
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- modified
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- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- NTYDXFVCCCPXRG-UHFFFAOYSA-N [Li]C(C)(C)CC(C)(C)C Chemical compound [Li]C(C)(C)CC(C)(C)C NTYDXFVCCCPXRG-UHFFFAOYSA-N 0.000 description 1
- FYOQEFGAZKEPGG-UHFFFAOYSA-N [Li]C1=CC=C(C)C=C1 Chemical compound [Li]C1=CC=C(C)C=C1 FYOQEFGAZKEPGG-UHFFFAOYSA-N 0.000 description 1
- SEVZJBPKDJZGFW-UHFFFAOYSA-N [Li]C1=CC=C(CCCC)C=C1 Chemical compound [Li]C1=CC=C(CCCC)C=C1 SEVZJBPKDJZGFW-UHFFFAOYSA-N 0.000 description 1
- XAGXFZXSTCZIQR-UHFFFAOYSA-N [Li]C1CC(CCCCCCC)CC(CCCCCCC)C1 Chemical compound [Li]C1CC(CCCCCCC)CC(CCCCCCC)C1 XAGXFZXSTCZIQR-UHFFFAOYSA-N 0.000 description 1
- LFASRCHQAYIROH-UHFFFAOYSA-N [Li]C1CCCC1 Chemical compound [Li]C1CCCC1 LFASRCHQAYIROH-UHFFFAOYSA-N 0.000 description 1
- SHJXVDAAVHAKFB-UHFFFAOYSA-N [Li]CCCCCCCCCC Chemical compound [Li]CCCCCCCCCC SHJXVDAAVHAKFB-UHFFFAOYSA-N 0.000 description 1
- WZBHJENIKYQMHC-UHFFFAOYSA-N [Li]CCCCCCCCCCCCCCCCCCCC Chemical compound [Li]CCCCCCCCCCCCCCCCCCCC WZBHJENIKYQMHC-UHFFFAOYSA-N 0.000 description 1
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229920000800 acrylic rubber Polymers 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- 125000004183 alkoxy alkyl group Chemical group 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- ZRALSGWEFCBTJO-UHFFFAOYSA-N anhydrous guanidine Natural products NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- XZKRXPZXQLARHH-UHFFFAOYSA-N buta-1,3-dienylbenzene Chemical compound C=CC=CC1=CC=CC=C1 XZKRXPZXQLARHH-UHFFFAOYSA-N 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229920003211 cis-1,4-polyisoprene Polymers 0.000 description 1
- 238000004581 coalescence Methods 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 239000007822 coupling agent Substances 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- LEKSIJZGSFETSJ-UHFFFAOYSA-N cyclohexane;lithium Chemical compound [Li]C1CCCCC1 LEKSIJZGSFETSJ-UHFFFAOYSA-N 0.000 description 1
- AFZSMODLJJCVPP-UHFFFAOYSA-N dibenzothiazol-2-yl disulfide Chemical compound C1=CC=C2SC(SSC=3SC4=CC=CC=C4N=3)=NC2=C1 AFZSMODLJJCVPP-UHFFFAOYSA-N 0.000 description 1
- GSYVJAOBRKCNOT-UHFFFAOYSA-N diethoxymethyl-[3-[3-(diethoxymethylsilyl)propyltetrasulfanyl]propyl]silane Chemical compound CCOC(OCC)[SiH2]CCCSSSSCCC[SiH2]C(OCC)OCC GSYVJAOBRKCNOT-UHFFFAOYSA-N 0.000 description 1
- JVSWJIKNEAIKJW-UHFFFAOYSA-N dimethyl-hexane Natural products CCCCCC(C)C JVSWJIKNEAIKJW-UHFFFAOYSA-N 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- POLCUAVZOMRGSN-UHFFFAOYSA-N dipropyl ether Chemical compound CCCOCCC POLCUAVZOMRGSN-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920005558 epichlorohydrin rubber Polymers 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- BLHLJVCOVBYQQS-UHFFFAOYSA-N ethyllithium Chemical compound [Li]CC BLHLJVCOVBYQQS-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920005555 halobutyl Polymers 0.000 description 1
- 230000005660 hydrophilic surface Effects 0.000 description 1
- 230000005661 hydrophobic surface Effects 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- AFRJJFRNGGLMDW-UHFFFAOYSA-N lithium amide Chemical compound [Li+].[NH2-] AFRJJFRNGGLMDW-UHFFFAOYSA-N 0.000 description 1
- DLEDOFVPSDKWEF-UHFFFAOYSA-N lithium butane Chemical compound [Li+].CCC[CH2-] DLEDOFVPSDKWEF-UHFFFAOYSA-N 0.000 description 1
- 150000002642 lithium compounds Chemical class 0.000 description 1
- UBJFKNSINUCEAL-UHFFFAOYSA-N lithium;2-methylpropane Chemical compound [Li+].C[C-](C)C UBJFKNSINUCEAL-UHFFFAOYSA-N 0.000 description 1
- WGOPGODQLGJZGL-UHFFFAOYSA-N lithium;butane Chemical compound [Li+].CC[CH-]C WGOPGODQLGJZGL-UHFFFAOYSA-N 0.000 description 1
- CETVQRFGPOGIQJ-UHFFFAOYSA-N lithium;hexane Chemical compound [Li+].CCCCC[CH2-] CETVQRFGPOGIQJ-UHFFFAOYSA-N 0.000 description 1
- NRUBUZBAZRTHHX-UHFFFAOYSA-N lithium;propan-2-ylazanide Chemical compound [Li+].CC(C)[NH-] NRUBUZBAZRTHHX-UHFFFAOYSA-N 0.000 description 1
- XBEREOHJDYAKDA-UHFFFAOYSA-N lithium;propane Chemical compound [Li+].CC[CH2-] XBEREOHJDYAKDA-UHFFFAOYSA-N 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- DVSDBMFJEQPWNO-UHFFFAOYSA-N methyllithium Chemical compound C[Li] DVSDBMFJEQPWNO-UHFFFAOYSA-N 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- DEQZTKGFXNUBJL-UHFFFAOYSA-N n-(1,3-benzothiazol-2-ylsulfanyl)cyclohexanamine Chemical compound C1CCCCC1NSC1=NC2=CC=CC=C2S1 DEQZTKGFXNUBJL-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 125000005475 oxolanyl group Chemical group 0.000 description 1
- 125000005359 phenoxyalkyl group Chemical group 0.000 description 1
- NHKJPPKXDNZFBJ-UHFFFAOYSA-N phenyllithium Chemical compound [Li]C1=CC=CC=C1 NHKJPPKXDNZFBJ-UHFFFAOYSA-N 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 150000003112 potassium compounds Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000012925 reference material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 150000003298 rubidium compounds Chemical class 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- ODZPKZBBUMBTMG-UHFFFAOYSA-N sodium amide Chemical compound [NH2-].[Na+] ODZPKZBBUMBTMG-UHFFFAOYSA-N 0.000 description 1
- 150000003388 sodium compounds Chemical class 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- WHRNULOCNSKMGB-UHFFFAOYSA-N tetrahydrofuran thf Chemical compound C1CCOC1.C1CCOC1 WHRNULOCNSKMGB-UHFFFAOYSA-N 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- ASAOXGWSIOQTDI-UHFFFAOYSA-N triethoxy-[2-(2-triethoxysilylethyltetrasulfanyl)ethyl]silane Chemical compound CCO[Si](OCC)(OCC)CCSSSSCC[Si](OCC)(OCC)OCC ASAOXGWSIOQTDI-UHFFFAOYSA-N 0.000 description 1
- FBBATURSCRIBHN-UHFFFAOYSA-N triethoxy-[3-(3-triethoxysilylpropyldisulfanyl)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCSSCCC[Si](OCC)(OCC)OCC FBBATURSCRIBHN-UHFFFAOYSA-N 0.000 description 1
- VTHOKNTVYKTUPI-UHFFFAOYSA-N triethoxy-[3-(3-triethoxysilylpropyltetrasulfanyl)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCSSSSCCC[Si](OCC)(OCC)OCC VTHOKNTVYKTUPI-UHFFFAOYSA-N 0.000 description 1
- KLFNHRIZTXWZHT-UHFFFAOYSA-N triethoxy-[3-(3-triethoxysilylpropyltrisulfanyl)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCSSSCCC[Si](OCC)(OCC)OCC KLFNHRIZTXWZHT-UHFFFAOYSA-N 0.000 description 1
- JSXKIRYGYMKWSK-UHFFFAOYSA-N trimethoxy-[2-(2-trimethoxysilylethyltetrasulfanyl)ethyl]silane Chemical compound CO[Si](OC)(OC)CCSSSSCC[Si](OC)(OC)OC JSXKIRYGYMKWSK-UHFFFAOYSA-N 0.000 description 1
- JTTSZDBCLAKKAY-UHFFFAOYSA-N trimethoxy-[3-(3-trimethoxysilylpropyltetrasulfanyl)propyl]silane Chemical compound CO[Si](OC)(OC)CCCSSSSCCC[Si](OC)(OC)OC JTTSZDBCLAKKAY-UHFFFAOYSA-N 0.000 description 1
- YFTHZRPMJXBUME-UHFFFAOYSA-N tripropylamine Chemical compound CCCN(CCC)CCC YFTHZRPMJXBUME-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 235000014692 zinc oxide Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
- C08C19/25—Incorporating silicon atoms into the molecule
-
- 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
- C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F236/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
- C08F236/06—Butadiene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
- C07C41/01—Preparation of ethers
- C07C41/09—Preparation of ethers by dehydration of compounds containing hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/20—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
- C07C43/215—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring having unsaturation outside the six-membered aromatic rings
-
- 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
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/08—Styrene
-
- 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
- C08F216/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical
- C08F216/12—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an ether radical
- C08F216/14—Monomers containing only one unsaturated aliphatic radical
-
- 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
- C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F236/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
- C08F236/10—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl-aromatic monomers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/06—Copolymers with styrene
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Materials Engineering (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
本出願は、2015年12月18日付韓国特許出願第10−2015−0181690号及び2016年10月31日付韓国特許出願第10−2016−0143544号に基礎した優先権の利益を主張し、当該韓国特許出願の文献に開示されている全ての内容は、本明細書の一部として含まれる。
1)ヒドロキシスチレンの製造
500mlの丸底フラスコに水酸化ナトリウム0.275molを入れて無水エタノール 60mlを添加して溶解した後、アセトキシスチレン0.065molを投入し、常温で窒素雰囲気下で4時間撹拌した。以後、50mlの蒸留水を添加し、エチルアセテート30mlを投入して有機層を抽出し、有機層の抽出は3回繰り返した。抽出された有機層は、無水硫酸マグネシウムを入れて乾燥及びろ過し、残存する水分を取り除いた。以後、溶媒を減圧除去して黄色い固体のヒドロキシスチレン7.54g(収率96%)を得た。精製されたヒドロキシスチレンの1H核磁気共鳴分光学的データは、以下のとおりである。
500mlの丸底フラスコにヒドロキシスチレン0.058mmolを入れてアセトニトリル50mlを添加して溶解した後、ポタシウムt−ブトキシド0.071molを滴加して1時間還流した。以後、2−クロロエチルメチルエーテル0.076molをゆっくり滴加した後、窒素雰囲気下で6時間還流して反応させた。反応終了後、塩酸水溶液で中和した後、エチルアセテート/飽和塩基水溶液で有機層を抽出し、有機層は無水硫酸マグネシウムで乾燥及びろ過し、残存する水分を取り除いた。以後、溶媒を減圧除去して薄い茶色の液状である下記化学式(i)の表題化合物9.9g(95%)を得た。精製された1−(2−メトキシエトキシ)−4−ビニルベンゼンの1H核磁気共鳴分光学的データは、以下のとおりである。
1)ヒドロキシスチレンの製造
500mlの丸底フラスコに水酸化ナトリウム0.275molを入れて無水エタノール60mlを添加して溶解した後、アセトキシスチレン0.065molを投入し、常温で窒素雰囲気下で4時間撹拌した。以後、50mlの蒸留水を添加し、エチルアセテート30mlを投入して有機層を抽出し、有機層の抽出は3回繰り返した。抽出された有機層は、無水硫酸マグネシウムを入れて乾燥及びろ過し、残存する水分を取り除いた。以後、溶媒を減圧除去して黄色い固体のヒドロキシスチレン7.54g(収率96%)を得た。精製されたヒドロキシスチレンの1H核磁気共鳴分光学的データは、以下のとおりである。
500mlの丸底フラスコにヒドロキシスチレン0.058mmolを入れてアセトニトリル50mlを添加して溶解した後、ポタシウムt−ブトキシド0.071molを滴加した後、1時間還流させた。以後、1−ブロモ−2−(2−メトキシエトキシ)エタン0.076molをゆっくり滴加した後、窒素雰囲気下で6時間還流して反応させた。反応終了後、塩酸水溶液で中和した後、エチルアセテート/飽和塩基水溶液で有機層を抽出し、有機層は無水硫酸マグネシウムで乾燥及びろ過し、残存する水分を取り除いた。以後、溶媒を減圧除去して薄い茶色の液状である下記化学式(ii)の表題化合物10g(96%)を得た。精製された化学式(ii)の1−(2−(2−メトキシエトキシ)エトキシ)−4−ビニルベンゼンの1H核磁気共鳴分光学的データは、以下のとおりである。
100mlのシュレンクフラスコにスチレン28.8mmolと製造例2で製造されたスチレン系化合物1.4mmolを投入し、無水ノルマルヘキサン30mlを入れた後、反応器の内部温度を40℃に昇温した。反応器の内部温度が40℃に達した時、2.5Mのn−ブチルリチウムヘキサン溶液0.25ml(0.63mmol in ヘキサン)を反応器に投入して断熱昇温反応を進めた。20分ほど経過した後、メタノールを利用して重合反応を終了させ、変性スチレン重合体を製造した。
製造例2で製造されたスチレン系化合物を2.9mmolで投入したことを除いては、上記実施例1と同じ方法によって変性スチレン重合体を製造した。
製造例2で製造されたスチレン系化合物を4.3mmolで投入したことを除いては、上記実施例1と同じ方法によって変性スチレン重合体を製造した。
2Lのガラス反応器にスチレン4.2g、1,3−ブタジエン 7.5g、及び製造例2で製造されたスチレン系化合物0.045gを投入し、無水ノルマルヘキサン50mlを入れた後、反応器の内部温度を40℃に昇温した。反応器の内部温度が40℃に達した時、2.5Mのn−ブチルリチウムヘキサン溶液0.20ml(0.5mmol in ヘキサン)を反応器に投入して断熱昇温反応を進めた。30分ほど経過した後、メタノールを利用して重合反応を終了させ、変性スチレン−ブタジエン共重合体を製造した。
製造例2で製造されたスチレン系化合物を0.09g投入したことを除いては、上記実施例4と同じ方法によって変性スチレン−ブタジエン共重合体を製造した。
製造例2で製造されたスチレン系化合物を0.18g投入したことを除いては、上記実施例4と同じ方法によって変性スチレン−ブタジエン共重合体を製造した。
20Lのオートクレーブ反応器にスチレン270g、1,3−ブタジエン730g及び製造例1で製造されたスチレン系化合物4gを投入し、無水ノルマルヘキサン5kg及び極性添加剤としてDTP(2,2−ビス(2−オキソラニル)プロパン)0.75gを入れた後、反応器の内部温度を40℃に昇温した。反応器の内部温度が40℃に達した時、n−ブチリチウム34g(2.62wt% in ヘキサン、33% activation)を反応器に投入して断熱昇温反応を進めた。35分ほど経過した後、エタノールを利用して重合反応を終了さ、変性スチレン−ブタジエン共重合体を製造した。
製造例1で製造されたスチレン系化合物の代りに製造例2で製造されたスチレン系化合物を使ったことを除いては、上記実施例7と同じ方法によって変性スチレン−ブタジエン共重合体を製造した。
製造例2で製造されたスチレン系化合物を使わないことを除いて、上記実施例1と同じ方法によってスチレン重合体を製造した。
製造例2で製造されたスチレン系化合物を使わないことを除いて、上記実施例4と同じ方法によってスチレン−ブタジエン共重合体を製造した。
製造例2で製造されたスチレン系化合物を使用せずに、ジテトラヒドロフリルプロパン(ditetrahydrofurylpropane)0.045gをさらに使ったことを除いて、上記実施例4と同じ方法によってスチレン−ブタジエン共重合体を製造した。
製造例1で製造されたスチレン系化合物を使わないことを除いて、上記実施例7と同じ方法によってスチレン−ブタジエン共重合体を製造した。
上記実施例1ないし8、及び比較例1ないし4で製造された各重合体の物性を比較分析するために、それぞれの成分分析、重量平均分子量(Mw)、数平均分子量(Mn)、多分散指数(Mw/Mn)、最大ピーク分子量(Mp)とZ−平均分子量(Mz)を測定した。結果を下記表1ないし表3に示す。
上記成分分析は、NMRを用いてスチレンモノマー(St)及びビニル(vinyl)の含量を測定した。
上記重量平均分子量(Mw)、数平均分子量(Mn)及び最大ピーク分子量(Mp)は、40℃温度の条件下でGPC分析を通じて測定し、多分散指数(PDI、Mw/Mn)は、測定された上記各重量平均分子量及び数平均分子量を用いて計算して得た。具体的に、上記GPCは、PLgel Olexis(Polymer Laboratories社)コラム二袋とPLgel mixed−C(Polymer Laboratories社)コラム一袋を組み合わせて使い、新たに入れ替ったコラムは、いずれもmixed bedタイプのコラムを使用し、分子量を計算した時、GPC基準物質(Standard material)はPS(polystyrene)を使って行った。
以下、本発明に対する理解を助けるために、本発明をより詳細に説明する。
Claims (6)
- 下記化学式1で表されるスチレン系化合物由来の反復単位および共役ジエン系単量体由来単位を含む変性重合体。
Rは水素原子または炭素数1ないし20の炭化水素基であり、
nは1ないし11の整数である。 - 上記化学式1中、
Rは水素原子、炭素数1ないし20のアルキル基、炭素数3ないし20のシクロアルキル基、炭素数6ないし20のアリール基、または炭素数7ないし20のアリールアルキル基である、請求項1に記載の変性重合体。 - 上記化学式1中、
Rは水素原子であり、
nは1ないし11の整数である、請求項1または2に記載の変性重合体。 - 前記共役ジエン系単量体は、1,3−ブタジエン、2,3−ジメチル−1,3−ブタジエン、ピペリレン、3−ブチル−1,3−オクタジエン、イソプレン及び2−フェニル−1,3−ブタジエンからなる群から選択された一つ以上である請求項1〜3のいずれか一項に記載の変性重合体。
- 上記変性重合体は、前記共役ジエン系単量体由来単位を60重量%以上含む、請求項1〜4のいずれか一項に記載の変性重合体。
- 上記変性重合体は、分子量分布(Mw/Mn)が1.0ないし3.0である、請求項1〜5のいずれか一項に記載の変性重合体。
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