JP7461345B2 - エポキシ樹脂の製造方法 - Google Patents
エポキシ樹脂の製造方法 Download PDFInfo
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- JP7461345B2 JP7461345B2 JP2021518153A JP2021518153A JP7461345B2 JP 7461345 B2 JP7461345 B2 JP 7461345B2 JP 2021518153 A JP2021518153 A JP 2021518153A JP 2021518153 A JP2021518153 A JP 2021518153A JP 7461345 B2 JP7461345 B2 JP 7461345B2
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- Prior art keywords
- epoxy resin
- curing
- lignin
- reaction mixture
- epoxidized vegetable
- Prior art date
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- 150000007517 lewis acids Chemical class 0.000 description 1
- 239000012978 lignocellulosic material Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000004005 microsphere Substances 0.000 description 1
- 229930014251 monolignol Natural products 0.000 description 1
- 125000002293 monolignol group Chemical group 0.000 description 1
- ZETYUTMSJWMKNQ-UHFFFAOYSA-N n,n',n'-trimethylhexane-1,6-diamine Chemical compound CNCCCCCCN(C)C ZETYUTMSJWMKNQ-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
- 239000002105 nanoparticle Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000002018 neem oil Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 229930015763 p-coumaryl alcohol Natural products 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 239000011863 silicon-based powder Substances 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 239000002600 sunflower oil Substances 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- LRBQNJMCXXYXIU-NRMVVENXSA-N tannic acid Chemical compound OC1=C(O)C(O)=CC(C(=O)OC=2C(=C(O)C=C(C=2)C(=O)OC[C@@H]2[C@H]([C@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)[C@@H](OC(=O)C=3C=C(OC(=O)C=4C=C(O)C(O)=C(O)C=4)C(O)=C(O)C=3)O2)OC(=O)C=2C=C(OC(=O)C=3C=C(O)C(O)=C(O)C=3)C(O)=C(O)C=2)O)=C1 LRBQNJMCXXYXIU-NRMVVENXSA-N 0.000 description 1
- 229920002258 tannic acid Polymers 0.000 description 1
- 235000015523 tannic acid Nutrition 0.000 description 1
- 229940033123 tannic acid Drugs 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
- 150000003512 tertiary amines Chemical class 0.000 description 1
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- ODBLHEXUDAPZAU-UHFFFAOYSA-N threo-D-isocitric acid Natural products OC(=O)C(O)C(C(O)=O)CC(O)=O ODBLHEXUDAPZAU-UHFFFAOYSA-N 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- PTNLHDGQWUGONS-UHFFFAOYSA-N trans-p-coumaric alcohol Natural products OCC=CC1=CC=C(O)C=C1 PTNLHDGQWUGONS-UHFFFAOYSA-N 0.000 description 1
- PTNLHDGQWUGONS-OWOJBTEDSA-N trans-p-coumaryl alcohol Chemical compound OC\C=C\C1=CC=C(O)C=C1 PTNLHDGQWUGONS-OWOJBTEDSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 150000004072 triols Chemical class 0.000 description 1
- 239000002383 tung oil Substances 0.000 description 1
- 238000007039 two-step reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 150000003751 zinc Chemical class 0.000 description 1
- 239000004246 zinc acetate Substances 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- NHXVNEDMKGDNPR-UHFFFAOYSA-N zinc;pentane-2,4-dione Chemical compound [Zn+2].CC(=O)[CH-]C(C)=O.CC(=O)[CH-]C(C)=O NHXVNEDMKGDNPR-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/62—Alcohols or phenols
- C08G59/621—Phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/62—Alcohols or phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/14—Polycondensates modified by chemical after-treatment
- C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
- C08G59/1438—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing oxygen
- C08G59/1455—Monocarboxylic acids, anhydrides, halides, or low-molecular-weight esters thereof
- C08G59/1461—Unsaturated monoacids
- C08G59/1472—Fatty acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/20—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the epoxy compounds used
- C08G59/32—Epoxy compounds containing three or more epoxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/42—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof
- C08G59/4284—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof together with other curing agents
-
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/50—Amines
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- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/68—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the catalysts used
- C08G59/686—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the catalysts used containing nitrogen
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- Epoxy Resins (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
a.リグニン、エポキシ化された植物油由来の1種以上の酸及び/又は1種以上のエステル、任意選択で溶媒、及び任意選択で触媒を準備し、反応混合物を形成する工程、
b.硬化剤の存在下、反応混合物を混合及び硬化させて、エポキシ樹脂を生成する工程
を含む。
a.リグニン、エポキシ化された植物油由来の1種以上のエステル、任意選択で溶媒、及び任意選択で触媒を準備し、反応混合物を形成する工程、
b.硬化剤の存在下、反応混合物を混合及び硬化させてエポキシ樹脂を生成する工程
を含む。
リグニン及びエポキシ化された植物油ベースの酸又はエステルは、バイオ-ベースの資源由来である。また、硬化剤及び溶媒は、バイオ-ベースの資源から得られ得る。この方法において、完全なバイオ-ベースのエポキシ樹脂が製造され得る。更に、本発明による方法は、経済的に魅力的な方法にする、一段階の工程又は二段階の工程として行われ得る。更に、エポキシ樹脂の特性は、エポキシ化された植物油ベースの酸又はエステルの種類の変化、エポキシ化された植物油-ベースの酸又はエステルに対するリグニンの量、及びエポキシ化された植物油-ベースの酸又はエステルに対する硬化剤の量の変化によって変化させられ得る。溶媒が使用される場合、溶媒は、好ましくは、エポキシ樹脂に組み込まれずに、溶媒は再利用され得る。
a.リグニン、エポキシ化された植物油由来の1種以上の酸及び/又は1種以上のエステル、任意選択で溶媒及び任意選択で触媒を準備して、反応混合物を形成する工程、
b.硬化剤の存在下、反応混合物を混合及び硬化させて、エポキシ樹脂を生成する工程
を含む。
b.i 硬化剤の存在下反応混合物を混合する工程及び
b.ii 反応混合物を硬化させてエポキシ樹脂を生成する工程
を含む。
b.i 少なくとも20℃の温度で、少なくとも5分間反応混合物を混合する工程、及び
b.ii 硬化剤の存在下反応混合物を硬化させて、エポキシ樹脂を生成する工程
を含む。
・クラフトリグノブースト(lignoboost)リグニン(Inventia研究所)
・クラフトリグノブーストリグニン、メタノール抽出画分
・クラフトリグノブーストリグニン、アセトン抽出画分
・塩基-触媒脱重合リグニン、溶媒-抽出画分(Fraunhofer研究所)
溶媒抽出は、150mlの溶媒(メタノール又はアセトン)中に10gのリグニンを溶解させ、一晩撹拌させ、遠心分離又はブフナーに通してろ過し、最後にリグニンを濃縮及び乾燥させることによって行われた。
・エポキシ化させた大豆油;Efka(登録商標)PL 5382(BASF)
・エポキシ化させた大豆油メチルエステル
・エポキシ化させた亜麻仁油;LankroflexTM L(Valtris)
・エポキシ化させた亜麻仁油メチルエステル
・エポキシ化させた大豆油及び亜麻仁油のメチルエステルは、RSC Adv., 2015, 5, p. 13674.に記載された方法によって得られ得る。
・Croda(登録商標)から得られるPriamine 1074
・Oleon(登録商標)から得られるRadiacid 0976
・Fisher Scientific(登録商標)からのテトラヒドロフラン(THF)
・Acros Organics(登録商標)からのメタノール
・Acros Organics(登録商標)からのエタノール
・Acros Organics(登録商標)からのアセトン
・Alfa Aesar(登録商標)からの1-メチルイミダゾール
リグニン(リグノブーストクラフト、メタノール抽出画分)の所定量を2mlのテトラヒドロフランに溶解させ、1グラムのエポキシ化された亜麻仁油メチルエステルと混合させた。混合物を、70℃60分間、オープンフラスコ中で撹拌させた。その後、所定量のPriamine 1074を添加し、混合物を1分間撹拌し、テフロン(登録商標)モールドに注いだ。テフロン(登録商標)モールドを真空オーブン(850mbar)中に50℃60分間置き、溶媒を揮発させた。その後、テフロン(登録商標)モールドをオーブンに置き、120℃4時間及び150℃16時間で硬化させた。
0.5gのリグニンを2mlのテトラヒドロフラン中に溶解させ、1グラムのエポキシ化させた植物油又はその誘導体と混合させた。混合物を70℃60分間オープンフラスコで撹拌させた。その後、0.75gのPriamine 1074を添加し、混合物を1分間撹拌させ、テフロン(登録商標)モールドに注いだ。テフロン(登録商標)モールドを真空オーブン(850mbar)中に50℃60分間置き、溶媒を揮発させた。その後、テフロン(登録商標)モールドをオーブンに置き、120℃4時間及び150℃16時間で硬化させた。実施例2.2では、混合後に不均一性の混合物をもたらし、硬化できなかった。
エポキシ化された植物油を使用した、この不適切な硬化を、0.25gのリグニン(リグノブーストクラフト、メタノール抽出画分)を2mlのテトラヒドロフランに溶解させ、1グラムのエポキシ化された亜麻仁油と混合する、更なる実験において確認した。混合物を70℃60分間オープンフラスコで撹拌させた。その後、硬化剤(1当量)及びいくつかの場合において触媒を添加した。混合物を1分間撹拌させ、テフロン(登録商標)モールドに注いだ。テフロン(登録商標)モールドを、真空オーブン(850mbar)中に50℃60分間置き、溶媒を揮発させた。その後、テフロン(登録商標)モールドをオーブンに置き、硬化させた。
0.5gのリグニン(クラフト、塩基-触媒脱重合により脱重合された、溶媒抽出画分)を0.5グラムのエポキシ化された大豆油メチルエステルと混合させた。混合物を70℃30分間オープンフラスコ中で撹拌させた。その後、0.3gのPriamine 1074を添加し、混合物を1分間撹拌させ、テフロン(登録商標)モールドに注いだ。テフロン(登録商標)モールドを真空オーブン(850mbar)中に50℃60分間置いた。テフロン(登録商標)モールドをオーブンに置き、120℃2時間及び150℃16時間で硬化させた。
0.25gのリグニン(リグノブーストクラフト、メタノール抽出画分)を2mlのテトラヒドロフラン中に溶解させ、1グラムのエポキシ化された亜麻仁油メチルエステル及び0.75gのPriamine 1074と混合させた。混合物を1分間撹拌させ、テフロン(登録商標)モールドに注いだ。テフロン(登録商標)モールドを真空オーブン(850mbar)中に50℃60分間置き、溶媒を揮発させた。その後、テフロン(登録商標)モールドをオーブンに置き、120℃4時間及び150℃16時間で硬化させた。結果は実施例1.1と類似していた。
0.25gのリグニン(リグノブーストクラフト、メタノール抽出画分)を1グラムのエポキシ化された亜麻仁油メチルエステル及び0.75gのPriamine 1074と混合させた。混合物を100℃で1分間撹拌させ、テフロン(登録商標)モールドに注いだ。テフロン(登録商標)モールドをオーブンに置き、120℃4時間及び150℃16時間で硬化させた。粘着性の材料が得られ、リグニンはただフィラーとして作用した。
0.25gのリグニン(リグノブーストクラフト、メタノール抽出画分)を2mlのエタノール中に溶解させ、0.5グラムのエポキシ化された亜麻仁油メチルエステルと混合させた。混合物を90℃2時間オープンフラスコ中で加熱し、溶媒を揮発させた。その後0.5グラムのエポキシ化された亜麻仁油メチルエステル及び0.75gのPriamine 1074を添加し、混合物を1分間撹拌させ、テフロン(登録商標)モールドに注いだ。テフロン(登録商標)モールドをオーブンに置き、120℃4時間及び150℃16時間で硬化させた。結果は実施例1.1と類似していた。
0.25gのリグニン(リグノブーストクラフト、メタノール抽出画分)を2mlのテトラヒドロフラン中に溶解させ、1グラムのエポキシ化された亜麻仁油メチルエステルと混合させた。混合物を、室温で30分間、オープンフラスコ中で撹拌した。その後、0.75gのPriamine 1074を添加し、混合物を1分間撹拌させ、テフロン(登録商標)モールドに注いだ。テフロン(登録商標)モールドを真空オーブン(850mbar)中に50℃60分間置いた。テフロン(登録商標)モールドをオーブンに置き、120℃2時間及び150℃16時間で硬化させた。結果は実施例1.1と類似していた。
0.25gのリグニン(リグノブーストクラフト、メタノール抽出画分)を2mlのテトラヒドロフラン中に溶解させ、1グラムのエポキシ化された亜麻仁油メチルエステルと混合させた。混合物を、100℃2時間オープンフラスコ中で加熱し、溶媒を揮発させた。その後、0.75gのPriamine 1074を添加し、混合物を1分間撹拌させ、テフロン(登録商標)モールドに注いだ。テフロン(登録商標)モールドをオーブンに置き、120℃4時間及び150℃16時間で硬化させた。結果は実施例1.1と類似していた。
1グラムのエポキシ化された亜麻仁油メチルエステルを0.75gのPriamine 1074と混合させ、混合物を1分間80℃で撹拌した。混合物をテフロン(登録商標)モールドに注いだ。テフロン(登録商標)モールドをオーブンに置き、120℃4時間及び150℃16時間で硬化させた。オレンジ色の、粘着性の破れやすい非常に柔らかい材料が得られた。
0.25gのリグニン(クラフト、塩基-触媒脱重合により脱重合された、溶媒抽出画分)を1グラムのエポキシ化された大豆油メチルエステルと混合させた。混合物を、70℃30分間オープンフラスコ中で撹拌した。その後、0.8gのRadiacid 0976及び20μLの1-メチルイミダゾールを添加し、混合物を1分間撹拌させ、テフロン(登録商標)モールドに注いだ。テフロン(登録商標)モールドを真空オーブン(850mbar)中に50℃60分間置いた。テフロン(登録商標)モールドを、オーブンに置き、120℃2時間及び150℃16時間で硬化させた。
Claims (14)
- エポキシ樹脂の製造方法であって、以下の工程:
a.リグニン、エポキシ化された植物油由来の1種以上の酸及び/又は1種以上のエステル、任意選択で溶媒、並びに任意選択で触媒を準備して、反応混合物を形成する工程、
b.硬化剤の存在下、前記反応混合物を混合及び硬化させてエポキシ樹脂を生成する工程を含み、
混合の間に中間生成物が生成することを特徴とする、方法。 - 工程bが、
b.i 硬化剤の存在下、前記反応混合物を混合する工程及び
b.ii 前記反応混合物を硬化させてエポキシ樹脂を生成する工程を含む、請求項1に記載の方法。 - エポキシ樹脂の製造方法であって、以下の工程:
a.リグニン、エポキシ化された植物油由来の1種以上の酸及び/又は1種以上のエステル、任意選択で溶媒、並びに任意選択で触媒を準備して、反応混合物を形成する工程、
b.i 少なくとも10℃の温度で、少なくとも1分間前記反応混合物を混合する工程及び
b.ii 硬化剤の存在下、前記反応混合物を硬化させてエポキシ樹脂を生成する工程を含み、
混合の間に中間生成物が生成することを特徴とする、方法。 - 前記反応混合物が、少なくとも20℃の温度で、少なくとも5分間混合される、請求項3に記載の方法。
- 追加のエポキシ化された植物油、特にエポキシ化された植物油由来の酸及び/若しくはエステル、並びに/又は第二のエポキシ化合物が、混合工程b.iを行った後及び前記反応混合物を硬化させる前に加えられる、請求項3又は4に記載の方法。
- 前記溶媒が、混合の間または混合後であるが硬化剤の添加前、硬化剤の添加後であるが硬化の前、又は前記硬化の間に、溶媒が蒸発させられる、請求項1~5のいずれか一項に記載の方法。
- 硬化時間が少なくとも1時間及び硬化温度が少なくとも50℃である、請求項1~6のいずれか一項に記載の方法。
- リグニン対エポキシ化された植物油由来の1種以上の酸及び/又は1種以上のエステルの質量比が0.01:1~5:1;好ましくは0.05:1~1:1である、請求項1~7のいずれか一項に記載の方法。
- エポキシ化された植物油由来の1種以上の酸及び/又はエステルが、エポキシ化された亜麻仁油若しくはエポキシ化された大豆油由来又はそれらの混合物に由来する、請求項1~8のいずれか一項に記載の方法。
- 前記硬化剤が、ジアミン、ポリアミン、二酸若しくは三酸、無水物、ジオール又はポリオールである、請求項1~9のいずれか一項に記載の方法。
- アミン/酸/無水物/アルコール当量:エポキシ当量によって計算される、硬化剤対エポキシ化された植物油由来の1種以上の酸及び/又はエステルの比が、0.2:1~5:1である、請求項10に記載の方法。
- 請求項1~11のいずれか一項に記載の方法によって得られる、エポキシ樹脂。
- 添加剤及び/又はフィラーを含む、請求項12に記載のエポキシ樹脂。
- 複合材、分散液、積層体材料、ゴム状材料、繊維-強化材料、電子材料、航空材料、生物医学的応用、接着剤、塗料又はコーティングの製造のための、請求項12又は13に記載のエポキシ樹脂の使用。
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