WO2023100631A1 - フェノキシ樹脂、組成物、硬化物及びフェノキシ樹脂の製造方法 - Google Patents
フェノキシ樹脂、組成物、硬化物及びフェノキシ樹脂の製造方法 Download PDFInfo
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- WO2023100631A1 WO2023100631A1 PCT/JP2022/042223 JP2022042223W WO2023100631A1 WO 2023100631 A1 WO2023100631 A1 WO 2023100631A1 JP 2022042223 W JP2022042223 W JP 2022042223W WO 2023100631 A1 WO2023100631 A1 WO 2023100631A1
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- WIPO (PCT)
- Prior art keywords
- phenoxy resin
- carbon atoms
- formula
- cured product
- composition
- Prior art date
Links
- 239000013034 phenoxy resin Substances 0.000 title claims abstract description 53
- 229920006287 phenoxy resin Polymers 0.000 title claims abstract description 53
- 239000000203 mixture Substances 0.000 title claims description 28
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 53
- 150000002430 hydrocarbons Chemical group 0.000 claims abstract description 44
- 125000005647 linker group Chemical group 0.000 claims abstract description 18
- 239000004215 Carbon black (E152) Substances 0.000 claims abstract description 9
- 229930195733 hydrocarbon Natural products 0.000 claims abstract description 9
- 150000001875 compounds Chemical class 0.000 claims description 42
- 239000003795 chemical substances by application Substances 0.000 claims description 16
- JOLVYUIAMRUBRK-UTOQUPLUSA-N Cardanol Chemical compound OC1=CC=CC(CCCCCCC\C=C/C\C=C/CC=C)=C1 JOLVYUIAMRUBRK-UTOQUPLUSA-N 0.000 claims description 9
- 239000003054 catalyst Substances 0.000 claims description 7
- JOLVYUIAMRUBRK-UHFFFAOYSA-N 11',12',14',15'-Tetradehydro(Z,Z-)-3-(8-Pentadecenyl)phenol Natural products OC1=CC=CC(CCCCCCCC=CCC=CCC=C)=C1 JOLVYUIAMRUBRK-UHFFFAOYSA-N 0.000 claims description 6
- YLKVIMNNMLKUGJ-UHFFFAOYSA-N 3-Delta8-pentadecenylphenol Natural products CCCCCCC=CCCCCCCCC1=CC=CC(O)=C1 YLKVIMNNMLKUGJ-UHFFFAOYSA-N 0.000 claims description 6
- FAYVLNWNMNHXGA-UHFFFAOYSA-N Cardanoldiene Natural products CCCC=CCC=CCCCCCCCC1=CC=CC(O)=C1 FAYVLNWNMNHXGA-UHFFFAOYSA-N 0.000 claims description 6
- PTFIPECGHSYQNR-UHFFFAOYSA-N cardanol Natural products CCCCCCCCCCCCCCCC1=CC=CC(O)=C1 PTFIPECGHSYQNR-UHFFFAOYSA-N 0.000 claims description 6
- 239000000047 product Substances 0.000 description 47
- 238000006243 chemical reaction Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 11
- 238000005227 gel permeation chromatography Methods 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- 238000011156 evaluation Methods 0.000 description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 6
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 6
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- -1 phenol compound Chemical class 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000011521 glass Substances 0.000 description 5
- 238000010992 reflux Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 229920002799 BoPET Polymers 0.000 description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 239000003377 acid catalyst Substances 0.000 description 4
- 125000002947 alkylene group Chemical group 0.000 description 4
- 238000009835 boiling Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 231100000241 scar Toxicity 0.000 description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 description 4
- 235000011152 sodium sulphate Nutrition 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 125000001424 substituent group Chemical group 0.000 description 4
- HHVIBTZHLRERCL-UHFFFAOYSA-N sulfonyldimethane Chemical compound CS(C)(=O)=O HHVIBTZHLRERCL-UHFFFAOYSA-N 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Natural products OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 230000001629 suppression Effects 0.000 description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 2
- AHDSRXYHVZECER-UHFFFAOYSA-N 2,4,6-tris[(dimethylamino)methyl]phenol Chemical compound CN(C)CC1=CC(CN(C)C)=C(O)C(CN(C)C)=C1 AHDSRXYHVZECER-UHFFFAOYSA-N 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 2
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 125000004450 alkenylene group Chemical group 0.000 description 2
- 125000003545 alkoxy group Chemical group 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 125000004419 alkynylene group Chemical group 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 2
- 230000001588 bifunctional effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- XXBDWLFCJWSEKW-UHFFFAOYSA-N dimethylbenzylamine Chemical compound CN(C)CC1=CC=CC=C1 XXBDWLFCJWSEKW-UHFFFAOYSA-N 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 125000003700 epoxy group Chemical group 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012948 isocyanate Substances 0.000 description 2
- 150000002513 isocyanates Chemical class 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 229940043265 methyl isobutyl ketone Drugs 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- KJIFKLIQANRMOU-UHFFFAOYSA-N oxidanium;4-methylbenzenesulfonate Chemical compound O.CC1=CC=C(S(O)(=O)=O)C=C1 KJIFKLIQANRMOU-UHFFFAOYSA-N 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000002798 polar solvent Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 239000008096 xylene Substances 0.000 description 2
- LXBGSDVWAMZHDD-UHFFFAOYSA-N 2-methyl-1h-imidazole Chemical compound CC1=NC=CN1 LXBGSDVWAMZHDD-UHFFFAOYSA-N 0.000 description 1
- ULKLGIFJWFIQFF-UHFFFAOYSA-N 5K8XI641G3 Chemical compound CCC1=NC=C(C)N1 ULKLGIFJWFIQFF-UHFFFAOYSA-N 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 229910001515 alkali metal fluoride Inorganic materials 0.000 description 1
- 229910000102 alkali metal hydride Inorganic materials 0.000 description 1
- 150000008046 alkali metal hydrides Chemical class 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 235000015165 citric acid Nutrition 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 150000004678 hydrides Chemical class 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000002903 organophosphorus compounds Chemical class 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Classifications
-
- 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/08—Epoxidation
-
- 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
- C08F136/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F136/22—Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having three or more carbon-to-carbon double bonds
-
- 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
-
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
- C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
- C08G65/38—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols
- C08G65/40—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives derived from phenols from phenols (I) and other compounds (II), e.g. OH-Ar-OH + X-Ar-X, where X is halogen atom, i.e. leaving group
Definitions
- the present invention relates to a phenoxy resin, a composition, a cured product, and a method for producing a phenoxy resin.
- Phenoxy resins are useful compounds that are widely used as paints, adhesives, insulating materials, etc., because they have excellent properties such as flexibility, heat resistance, insulation, and adhesion. Therefore, various researches have been conducted for the purpose of creating novel phenoxy resins with excellent properties.
- Patent Document 1 discloses a phenoxy resin obtained by reacting a specific bifunctional epoxy compound and a specific bifunctional phenol compound.
- the self-repairing function of conventional phenoxy resins has not been sufficiently studied, and materials having the properties of phenoxy resins and further having a self-repairing function have been desired.
- the present invention provides a phenoxy resin that is excellent in flexibility, capable of suppressing warpage due to curing shrinkage, and capable of obtaining a cured product having a self-healing function.
- the present invention is a phenoxy resin containing a structure represented by the following formula (1) and a structure represented by the following formula (2).
- R is a hydrocarbon group having 10 to 18 carbon atoms, and l is an integer of 1 to 10.
- X is a divalent linking group having 2 to 10 carbon atoms derived from a hydrocarbon
- R is a hydrocarbon group having 10 to 18 carbon atoms
- m is 1 is an integer of ⁇ 10.
- R in formulas (1) and (2) above is preferably a hydrocarbon group having 12 to 16 carbon atoms.
- the above formula (1) is preferably derived from cardanol.
- the composition of the invention comprises the phenoxy resin of the invention.
- the composition of the present invention further comprises a curing agent.
- the composition of the present invention further comprises a curing catalyst.
- the cured product of the present invention is obtained by curing the above phenoxy resin and/or the above composition.
- the method for producing a phenoxy resin of the present invention has a step of reacting a compound represented by the following formula (3) with a compound represented by the following formula (4).
- R is a hydrocarbon group having 10 to 18 carbon atoms, and n is an integer of 2 to 20.
- X is a divalent linking group having 2 to 10 carbon atoms derived from a hydrocarbon.
- the present invention can provide a phenoxy resin that is excellent in flexibility, can suppress warping due to curing shrinkage, and can provide a cured product having a self-healing function.
- the phenoxy resin of the present invention includes a structure represented by the following formula (1) and a structure represented by the following formula (2).
- R is a hydrocarbon group having 10 to 18 carbon atoms, and l is an integer of 1 to 10.
- X is a divalent linking group having 2 to 10 carbon atoms derived from a hydrocarbon
- R is a hydrocarbon group having 10 to 18 carbon atoms
- m is 1 is an integer of ⁇ 10.
- R is a hydrocarbon group having 10 to 18 carbon atoms.
- the hydrocarbon group having 10 to 18 carbon atoms may be linear or branched. Further, the hydrocarbon group having 10 to 18 carbon atoms may be saturated or unsaturated. Among them, the hydrocarbon group having 11 to 17 carbon atoms is preferable, and from the viewpoint of the flexibility of the cured product of the present invention and the suppression of warpage, the hydrocarbon group having 12 to 16 carbon atoms is more preferable. preferable.
- the above formula (1) is preferably derived from cardanol from the viewpoints of suitably imparting flexibility, suitably suppressing warpage, and facilitating availability of corresponding raw materials.
- Examples of the structure derived from cardanol include those having a cardanol structure in which R has 15 carbon atoms and is a hydrocarbon group having 25 to 31 hydrogen atoms.
- l means the number of structural units represented in parentheses in formula (1) above in the phenoxy resin. In the above formula (1), l is 1-10. The structural units represented in parentheses in the above formula (1) may exist continuously (blocks) in the phenoxy resin, or may exist randomly.
- R is a hydrocarbon group having 10 to 18 carbon atoms.
- the hydrocarbon group having 10 to 18 carbon atoms may be linear or branched. Further, the hydrocarbon group having 10 to 18 carbon atoms may be saturated or unsaturated. Among them, hydrocarbon groups having 11 to 17 carbon atoms are preferable, and hydrocarbon groups having 12 to 16 carbon atoms are preferable from the viewpoint of flexibility and suppression of warpage of the cured product of the present invention. more preferred.
- R is a cardanol structure, which is a hydrocarbon group having 15 carbon atoms and 25 to 31 hydrogen atoms, from the viewpoint of suitably imparting flexibility and suitably suppressing warpage. and the like.
- X is a divalent linking group having 2 to 10 carbon atoms derived from a hydrocarbon.
- the divalent linking group having 2 to 10 carbon atoms may be linear or branched, or may have a cyclic structure. Specific examples include an alkylene group, an alkenylene group, an alkynylene group, a cycloalkylidene group, and the like. Among them, an alkylene group having 3 to 7 carbon atoms is preferable from the viewpoint of availability.
- the divalent linking group having 2 to 10 carbon atoms may contain a molecule other than carbon such as an oxygen atom or a nitrogen atom in the linking group.
- the divalent linking group having 2 to 10 carbon atoms may have a substituent, and examples of the substituent include an alkyl group, an alkoxy group, a hydroxyl group, an alkoxy-substituted alkyl group, and a carboxyl group. .
- O 1 may be ortho, meta or para to X
- O 2 may be ortho, meta or para to X.
- each position is para to X.
- m means the number of structural units represented in parentheses of the above formula (2) in the phenoxy resin. In the above formula (2), m is 1-10.
- the structural units represented in parentheses in the above formula (2) may be present continuously (blocks) in the phenoxy resin, or may be present randomly.
- the phenoxy resin of the present invention preferably has a weight average molecular weight (Mw) of 3,000 to 20,000, more preferably 6,000 to 10,000.
- Mw weight average molecular weight
- the weight average molecular weight is measured, for example, as a polystyrene-equivalent value by gel permeation chromatography (GPC).
- the method for producing a phenoxy resin of the present invention has a step of reacting a compound represented by the following formula (3) with a compound represented by the following formula (4).
- R is a hydrocarbon group having 10 to 18 carbon atoms, and n is an integer of 2 to 20.
- X is a divalent linking group having 2 to 10 carbon atoms derived from a hydrocarbon.
- a compound represented by the above formula (3) is prepared.
- the compound represented by the above formula (3) may be purchased commercially, or may be synthesized by the following method.
- R 1 is a hydrocarbon group having 10 to 18 carbon atoms.
- R 1 is a hydrocarbon group having 10 to 18 carbon atoms.
- the hydrocarbon group having 10 to 18 carbon atoms may be linear or branched. Further, the hydrocarbon group having 10 to 18 carbon atoms may be saturated or unsaturated. Among them, hydrocarbon groups having 11 to 17 carbon atoms are preferable, and hydrocarbon groups having 12 to 16 carbon atoms are preferable from the viewpoint of flexibility and suppression of warpage of the cured product of the present invention. more preferred.
- R 1 suitably imparts flexibility to the cured product of the present invention, and from the viewpoint of suitably suppressing warping of the cured product of the present invention, R 1 has 15 carbon atoms, Examples thereof include those having a cardanol structure, which is a hydrocarbon group having 25 to 31 hydrogen atoms.
- the acid catalyst known ones can be used.
- inorganic acids such as sulfuric acid, hydrochloric acid and nitric acid
- organic acids such as acetic acid, citric acid, propionic acid, oxalic acid and p-toluenesulfonic acid, etc.
- p-toluenesulfonic acid is preferably used from the viewpoint of catalytic activity and solubility in a solution.
- the content of the acid catalyst is about 0.1 to 4 parts by mass with respect to 100 parts by mass of the compound represented by the formula (5).
- the reaction temperature for reacting the compound represented by the above formula (5) in the presence of an acid catalyst is, for example, about 120 to 180.degree. Further, the reaction time is, for example, about 1 to 10 hours. It should be noted that the target compound represented by the above formula (3) was obtained, for example, using gel permeation chromatography (GPC), the reduction of the peak derived from the above formula (5) and the new It is only necessary to confirm the distillate of the necessary components.
- GPC gel permeation chromatography
- the apparatus (stirring apparatus, reflux apparatus, etc.) used for the above reaction may be appropriately selected from known ones. After performing the above reaction, it may be purified by a known method, or it may not be purified. It is more preferable to purify by a known method.
- the compound represented by the above formula (3) and the above formula (4) is reacted with a compound represented by The phenoxy resin of the present invention is obtained by reacting the hydroxyl group of the compound represented by the above formula (3) with the epoxy group of the compound represented by the above formula (4).
- n 2-20.
- the portion where the epoxy group of the compound represented by the above formula (4) reacts with the hydroxyl group may be continuous (blocked) or random. good.
- X is a divalent linking group having 2 to 10 carbon atoms derived from a hydrocarbon.
- the divalent linking group having 2 to 10 carbon atoms may be linear or branched, or may have a cyclic structure. Specific examples include an alkylene group, an alkenylene group, an alkynylene group, a cycloalkylidene group, and the like. Among them, an alkylene group having 3 to 7 carbon atoms is preferable from the viewpoint of availability.
- the divalent linking group having 2 to 10 carbon atoms may contain a molecule other than carbon such as an oxygen atom or a nitrogen atom in the linking group.
- the divalent linking group having 2 to 10 carbon atoms may have a substituent, and examples of the substituent include an alkyl group, an alkoxy group, a hydroxyl group, an alkoxy-substituted alkyl group, and a carboxyl group. .
- O 1 may be ortho, meta or para to X
- O 2 may be ortho, meta or para to X.
- each of O 1 and O 2 is para to X from the standpoint of availability.
- the mass ratio of the compound represented by the above formula (3) to the compound represented by the above formula (4) is preferably 1:0.7 to 1.5 from the viewpoint of the physical properties of the coating film when cured.
- the base used in the step of reacting the compound represented by the above formula (3) with the compound represented by the above formula (4) is not particularly limited, but examples include alkali metal hydrides and alkaline earth metals. hydrides, alkali metal hydroxides, alkaline earth metal hydroxides, alkali metal carbonates, alkaline earth metal carbonates, alkali metal hydrogen carbonates, alkali metal alkoxides, alkaline earth metal alkoxides, alkali metal fluorides, Amines, organic phosphorus compounds, and the like can be mentioned.
- the amount of the base to be used varies depending on the type of base, but is, for example, about 0.1 to 2.0 parts by mass with respect to 100 parts by mass of the compound represented by formula (3).
- a solvent may be used in the step of reacting the compound represented by the above formula (3) with the compound represented by the above formula (4).
- the solvent include, but are not limited to, water, alcohols such as methanol, ethanol, and 2-propanol, dimethylsulfone, dimethylsulfoxide, tetrahydrofuran, dioxane, methylethylketone, methylisobutylketone, acetonitrile, methylene chloride, and dimethylformamide.
- Aprotic polar solvents such as toluene, xylene and other aromatic hydrocarbons, hexane and other aliphatic hydrocarbons, chloroform, carbon tetrachloride and the like are preferred, but are not limited thereto.
- the above solvents may be used alone or in combination of multiple types.
- the amount of the solvent used is, for example, about 30 parts by mass or less with respect to 100 parts by mass of the compound represented by the formula (3).
- the reaction temperature in the step of reacting the compound represented by the above formula (3) with the compound represented by the above formula (4) is, for example, about 60 to 120°C. Further, the reaction time is, for example, about 1 to 10 hours. It should be noted that the fact that the desired phenoxy resin was obtained, for example, using gel permeation chromatography (GPC), the peak derived from the raw material (for example, the compound represented by the formula (4)) and , distillation of new components may be confirmed.
- GPC gel permeation chromatography
- the apparatus (stirring apparatus, reflux apparatus, etc.) used for the above reaction may be appropriately selected from known ones. After performing the above reaction, it may be purified by a known method, or it may not be purified. It is more preferable to purify by a known method.
- composition of the invention comprises the phenoxy resin of the invention. Since the composition of the present invention contains the above phenoxy resin, it is possible to obtain a cured product that is excellent in flexibility, can suppress warping due to curing shrinkage, and has a self-healing function.
- composition of the present invention further comprises a curing agent.
- the curing agent examples include amine curing agents, phenol curing agents, acid anhydride curing agents, polymercaptan curing agents, polyaminoamide curing agents, isocyanate curing agents, blocked isocyanate curing agents, and the like.
- the curing agents may be used alone or in combination of two or more.
- the content of the curing agent is preferably 20 to 40 parts by mass with respect to 100 parts by mass of the phenoxy resin.
- the composition of the present invention preferably further contains a curing catalyst.
- the curing catalyst examples include benzyldimethylamine (BDMA), tertiary amine compounds such as 2,4,6-trisdimethylaminomethylphenol; imidazole compounds such as 2-methylimidazole and 2-ethyl-4-methylimidazole. is mentioned.
- BDMA benzyldimethylamine
- tertiary amine compounds such as 2,4,6-trisdimethylaminomethylphenol
- imidazole compounds such as 2-methylimidazole and 2-ethyl-4-methylimidazole. is mentioned.
- the curing catalyst may be used alone or in combination of two or more.
- the content of the curing catalyst is preferably 0.1 to 2.0 parts by mass with respect to 100 parts by mass of the phenoxy resin.
- composition of the invention may further contain a solvent.
- the solvent examples include water, alcohols such as methanol, ethanol, and isopropyl alcohol, aprotic polar solvents such as dimethylsulfone, dimethylsulfoxide, tetrahydrofuran, dioxane, methyl ethyl ketone, methyl isobutyl ketone, acetonitrile, methylene chloride, and dimethylformamide, Preferred examples include aromatic hydrocarbons such as toluene and xylene, aliphatic hydrocarbons such as hexane, chloroform, and carbon tetrachloride, but are not limited thereto.
- the above solvents may be used alone or in combination of multiple types.
- composition of the present invention may further contain additives.
- additives examples include photopolymerization initiators, phosphorus-containing compounds, binder resins, inorganic fillers, and the like. These may be appropriately selected from known ones.
- the cured product of the present invention is obtained by curing the phenoxy resin of the present invention and/or the composition of the present invention. Since the cured product of the present invention contains the phenoxy resin of the present invention, it is possible to obtain a cured product that is excellent in flexibility, can suppress warping due to curing shrinkage, and has a self-healing function.
- the cured product of the present invention can be obtained by curing the phenoxy resin of the present invention and/or the composition of the present invention using a conventionally known method.
- the phenoxy resin of the present invention, a curing agent, and a curing catalyst are sufficiently mixed using an extruder, a kneader, a roll, etc., as necessary to prepare a composition, and the composition is known.
- the cured product of the present invention can be obtained by the method of coating on the base material by the method of 1 and further leaving it at 20 to 40° C. for 12 to 48 hours. If desired, the composition may contain additives.
- the cured product of the present invention has excellent flexibility.
- a cured product (100 mm long x 100 mm wide, 200 ⁇ m thick) is prepared on a glass plate (100 mm long x 100 mm wide), and the pencil hardness is measured according to JIS K 5600-5-4: 1999. can be evaluated by If the pencil hardness is 2B or less, it can be evaluated as excellent in flexibility.
- the pencil hardness is preferably 3B or less, more preferably 4B or less.
- the cured product of the present invention can suppress warping due to cure shrinkage.
- a cured product (length 100 mm ⁇ width 100 mm, thickness 200 ⁇ m) is prepared on a PET film (Toray Industries, Inc. “registered trademark: Lumirror S10”, length 100 mm ⁇ width 100 mm) to make it flat. It can be evaluated by placing it on a desk, measuring the floating height of four sides, and calculating the average value. If the average value is 5 mm or less, it can be evaluated that warping due to cure shrinkage can be sufficiently suppressed.
- the cured product of the present invention has a self-healing function.
- the self-healing function is obtained by preparing a cured product (100 mm long x 100 mm wide, 200 ⁇ m thick) on a PET film (“Lumirror S10” manufactured by Toray Industries, Inc., 100 mm long x 100 mm wide) at a temperature of 23 C. and 50% RH, the surface of the cured product is rubbed back and forth with a brass brush 10 times, and the scratch formed on the surface of the cured product is self-repaired by measuring the self-healing time. If the scar can be repaired in less than 60 seconds, it can be evaluated as having sufficient self-healing function.
- the cured product of the present invention preferably has excellent adhesion.
- the adhesion is determined, for example, by preparing a cured product (length 100 mm ⁇ width 100 mm, thickness 200 ⁇ m) on a glass plate (length 100 mm ⁇ width 100 mm), and cross-cut method JIS K 5600-5-6: 100 squares of 1999. It can be evaluated by conducting a test and measuring squares without delamination out of 100 squares. In the 100-square test, if the number of squares without peeling is 90 to 100, it can be evaluated that the adhesion is excellent.
- the cured product of the present invention preferably has excellent boiling resistance.
- a cured product (100 mm long x 100 mm wide, 200 ⁇ m thick) is prepared on a glass plate (100 mm long x 100 mm wide), and the appearance of the cured product is measured after immersing it in water at 100 ° C. for 2 hours. It can be evaluated by observation. If the appearance of the cured product does not change after being immersed in water at 100° C. for 2 hours, it can be evaluated as having excellent resistance to boiling.
- Example 1 [Synthesis of the compound represented by the above formula (3)] 100 parts by mass of purified cardanol was weighed into a flask equipped with a stirrer, a reflux condenser and a stirring device while purging with nitrogen, and 0.8 parts by mass of p-toluenesulfonic acid monohydrate was added to prepare a reaction solution. Then, the reaction solution was heated to 150° C. and stirred for 3 hours. The reaction temperature was returned to room temperature and neutralized with an aqueous sodium hydroxide solution. After the aqueous layer was extracted with ethyl acetate three times, the organic layer was dehydrated with sodium sulfate.
- the above composition was applied to a PET film ("Registered Trademark: Lumirror S10" manufactured by Toray Industries, Inc., length 100 mm x width 100 mm) and allowed to stand at room temperature for one day. 100 mm x 100 mm wide and 200 ⁇ m thick).
- Comparative example 1 Take 100 parts by mass of phenoxy resin (YP-40ASM40, manufactured by Nippon Steel Chemical & Materials Co., Ltd., bisphenol A type, weight average molecular weight 30000), curing agent (ST11, manufactured by Mitsubishi Chemical Corporation) 1 part by mass, 2, 4, 0.5 parts by mass of 6-trisdimethylaminomethylphenol (manufactured by Tokyo Chemical Industry Co., Ltd.) was added and mixed to obtain a composition for comparison. The above composition was applied to a glass plate (length 100 mm ⁇ width 100 mm) and allowed to stand at room temperature for one day to prepare Comparative Cured Product 1 (length 100 mm ⁇ width 100 mm, thickness 200 ⁇ m).
- the above composition was applied to a PET film (“Lumirror S10” manufactured by Toray Industries, Inc., length 100 mm x width 100 mm) and allowed to stand at room temperature for one day. 100 mm x 100 mm wide and 200 ⁇ m thick).
- ⁇ Adhesion evaluation> A 100-square test according to the cross-cut method JIS K 5600-5-6: 1999 was performed on the cured product 1 for test and the cured product 1 for comparison, and the squares without peeling among the 100 squares were measured. (Evaluation criteria) ⁇ : 90 to 100 squares without peeling. ⁇ : 70 to 89 squares without peeling. x: 69 or less squares without peeling.
- Example 1 From the results of Example 1, it was confirmed that the cured product of the phenoxy resin of the present invention has excellent flexibility, can suppress warpage due to cure shrinkage, and has a self-healing function.
- the present invention can provide a phenoxy resin that is excellent in flexibility, can suppress warping due to curing shrinkage, and can provide a cured product having a self-healing function.
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Abstract
Description
そのため、優れた性質を有する新規のフェノキシ樹脂の創出を目的とした様々な研究が行われている。
本発明のフェノキシ樹脂において、上記式(1)は、カルダノールに由来することが好ましい。
本発明の組成物は、本発明のフェノキシ樹脂を含む。
本発明の組成物は、硬化剤を更に含むことが好ましい。
本発明の組成物は、硬化触媒を更に含むことが好ましい。
本発明の硬化物は、上記フェノキシ樹脂及び/又は上記組成物を硬化してなる。
本発明のフェノキシ樹脂の製造方法は、下記式(3)で表される化合物と、下記式(4)で表される化合物とを反応させる工程を有する。
本発明のフェノキシ樹脂は、下記式(1)で表される構造と、下記式(2)で表される構造とを含む。
上記炭素数が10~18の炭化水素基としては、直鎖であっても、分岐鎖であってもよい。また、上記炭素数が10~18の炭化水素基は、飽和であっても不飽和であってもよい。なかでも、上記炭素数が11~17の炭化水素基であることが好ましく本発明の硬化物の柔軟性と反りの抑制の観点から、炭素数が12~16の炭化水素基であることがより好ましい。
上記カルダノールに由来する構造としては、例えば、Rの炭素数が15であり、水素数が25~31の炭化水素基であるカルダノール構造を有するもの等が挙げられる。
上記式(1)中、lは、1~10である。上記式(1)の括弧内で表される構成単位は、フェノキシ樹脂中に連続して(ブロック)で存在してもよいし、ランダムに存在してもよい。
上記炭素数が10~18の炭化水素基としては、直鎖であっても、分岐鎖であってもよい。また、上記炭素数が10~18の炭化水素基は、飽和であっても不飽和であってもよい。なかでも、上記炭素数が11~17の炭化水素基であることが好ましく、本発明の硬化物の柔軟性と反りの抑制の観点から、炭素数が12~16の炭化水素基であることがより好ましい。
上記炭素数が2~10である2価の連結基としては、直鎖であっても、分岐鎖であってもよく、また環状構造を持っていてもよい。具体的にはアルキレン基、アルケニレン基、アルキニレン基、シクロアルキリデン基等が挙げられる。
なかでも、入手容易性の観点から、炭素数が3~7のアルキレン基であることが好ましい。
なお、上記炭素数が2~10である2価の連結基は、連結基中に酸素原子、窒素原子等の炭素以外の分子を含んでもよい。
上記炭素数が2~10である2価の連結基は、置換基を有していてもよく、置換基としては、アルキル基、アルコキシ基、水酸基、アルコキシ置換アルキル基、カルボキシル基等が挙げられる。
上記式(2)中、mは1~10である。上記式(2)の括弧内で表される構成単位は、フェノキシ樹脂中に連続して(ブロック)で存在してもよいし、ランダムに存在してもよい。
上記重量平均分子量は、例えば、ゲルパーミエーションクロマトグラフィー(GPC)法のポリスチレン換算値として測定される。
本発明のフェノキシ樹脂の製造方法は、下記式(3)で表される化合物と、下記式(4)で表される化合物とを反応させる工程を有する。
上記式(3)で表される化合物は市販のものを購入してもよいし、下記の方法により合成してもよい。
上記炭素数が10~18の炭化水素基としては、直鎖であっても、分岐鎖であってもよい。また、上記炭素数が10~18の炭化水素基は、飽和であっても不飽和であってもよい。なかでも、上記炭素数が11~17の炭化水素基であることが好ましく、本発明の硬化物の柔軟性と反りの抑制の観点から、炭素数が12~16の炭化水素基であることがより好ましい。
なかでも、触媒活性および溶液への溶解性の観点から、p-トルエンスルホン酸を使用することが好ましい。
上記酸触媒の含有量としては、上記式(5)で表される化合物100質量部に対して、0.1~4質量部程度である。
なお、目的とする上記式(3)で表される化合物が得られたことは、例えば、ゲルパーミエーションクロマトグラフィー(GPC)を用いて、上記式(5)に由来するピークの低下と、新たな成分の留出とを確認すればよい。
上記反応を行った後、公知の方法により精製してもよく、精製しなくてもよい。公知の方法により精製することがより好ましい。
上記式(3)で表される化合物のヒドロキシル基と、上記式(4)で表される化合物のエポキシ基が反応することにより、本発明のフェノキシ樹脂が得られる。
上記(3)で表される化合物において、ヒドロキシル基に対して上記式(4)で表される化合物のエポキシ基が反応する箇所が連続(ブロック)していてもよいし、ランダムであってもよい。
上記炭素数が2~10である2価の連結基としては、直鎖であっても、分岐鎖であってもよく、また環状構造を持っていてもよい。具体的にはアルキレン基、アルケニレン基、アルキニレン基、シクロアルキリデン基等が挙げられる。
なかでも、入手容易性観点から、炭素数が3~7のアルキレン基であることが好ましい。
なお、上記炭素数が2~10である2価の連結基は、連結基中に酸素原子、窒素原子等の炭素以外の分子を含んでもよい。
上記炭素数が2~10である2価の連結基は、置換基を有していてもよく、置換基としては、アルキル基、アルコキシ基、水酸基、アルコキシ置換アルキル基、カルボキシル基等が挙げられる。
上記塩基を用いる量としては、塩基の種類によって異なるが、例えば、上記式(3)で表される化合物100質量部に対して、0.1~2.0質量部程度である。
上記溶媒としては、特に限定されないが、例えば、水や、メタノール、エタノール、2-プロパノール等のアルコール類、ジメチルスルホン、ジメチルスルホキシド、テトラヒドロフラン、ジオキサン、メチルエチルケトン、メチルイソブチルケトン、アセトニトリル、塩化メチレン、ジメチルホルムアミド等の非プロトン性極性溶媒、トルエン、キシレン等の芳香族炭化水素、ヘキサン等の脂肪族炭化水素、クロロホルム、四塩化炭素等が好ましく挙げられるが、これらに限定されない。
上記溶媒は単独で使用してもよく、複数の種類を併用してもよい。
上記溶媒を用いる量としては、例えば、上記式(3)で表される化合物100質量部に対して、30質量部以下程度である。
なお、目的とするフェノキシ樹脂が得られたことは、例えば、ゲルパーミエーションクロマトグラフィー(GPC)を用いて、原料(例えば、上記式(4)で表される化合物)に由来するピークの低下と、新たな成分の留出とを確認すればよい。
上記反応を行った後、公知の方法により精製してもよく、精製しなくてもよい。公知の方法により精製することがより好ましい。
本発明の組成物は、本発明のフェノキシ樹脂を含む。
本発明の組成物は、上記フェノキシ樹脂を含むので、柔軟性に優れ、硬化収縮による反りを抑制することができ、かつ、自己修復機能を有する硬化物を得ることができる
上記硬化剤は、1種を単独で用いても2種以上を併用してもよい。
上記硬化触媒は、1種を単独で用いても2種以上を併用してもよい。
上記溶剤は単独で使用してもよく、複数の種類を併用してもよい。
これらは公知のものを適宜選択すればよい。
本発明の硬化物は、本発明のフェノキシ樹脂、及び/又は、本発明の組成物を硬化してなる。
本発明の硬化物は、本発明のフェノキシ樹脂を含むので、柔軟性に優れ、硬化収縮による反りを抑制することができ、かつ、自己修復機能を有する硬化物を得ることができる。
例えば、本発明のフェノキシ樹脂、硬化剤、及び、硬化触媒を必要に応じて押出機、ニーダ、ロール等を用いて均一になるまで充分に混合して組成物を作製し、その組成物を公知の方法により基材上に塗布し、さらに20~40℃で12~48時間静置する方法等により本発明の硬化物を得ることができる。
必要に応じて、上記組成物は添加剤を含んでもよい。
上記柔軟性は、例えば、ガラス板(縦100mm×横100mm)上に、硬化物(縦100mm×横100mm、厚み200μm)を作製し、JIS K 5600-5-4:1999に基づく鉛筆硬度の測定により評価することができる。
上記鉛筆硬度が2B以下であれば、柔軟性に優れると評価することができる。
上記鉛筆硬度は、3B以下であることが好ましく、4B以下であることがより好ましい。
上記反りの抑制は、例えば、硬化物(縦100mm×横100mm、厚み200μm)を、PETフィルム(東レ株式会社製「登録商標:ルミラー S10」、縦100mm×横100mm)上に作製して平坦な机の上に置き、4辺の浮いた高さを測定してその平均値を算出することにより評価することができる。上記平均値が、5mm以下であれば、硬化収縮による反りを十分に抑制できたと評価することができる。
上記自己修復機能は、例えば、硬化物(縦100mm×横100mm、厚み200μm)を、PETフィルム(東レ株式会社製「登録商標:ルミラー S10」、縦100mm×横100mm)上に作製し、温度23℃、50%RHの環境下において、真鍮ブラシで硬化物の表面を10往復こすり、硬化物表面に形成した傷を自己修復する時間を測定することにより、評価することができる。60秒未満で傷跡が修復することができた場合には、自己修復機能を十分に有すると評価することができる。
上記密着性は、例えば、ガラス板(縦100mm×横100mm)上に、硬化物(縦100mm×横100mm、厚み200μm)を作製し、クロスカット法JIS K 5600-5-6:1999の100マス試験を実施し、100マス中剥離のないマス目を測定することにより評価することができる。
上記100マス試験において、剥離のないマス目が90~100であれば密着性に優れると評価することができる。
上記煮沸耐性は、例えば、ガラス板(縦100mm×横100mm)上に、硬化物(縦100mm×横100mm、厚み200μm)を作製し、100℃の水に2時間浸した後に硬化物の外観を観察することにより評価することができる。
100℃の水に2時間浸した後の硬化物の外観に変化が見られない場合には、煮沸耐性に優れると評価することができる。
[上記式(3)で表される化合物の合成]
攪拌機、還流冷却管、撹拌装置を備えたフラスコに窒素パージを施しながら精製カルダノール100質量部を量りとり、p-トルエンスルホン酸一水和物0.8質量部を加えて反応溶液を作製した。次いで、上記反応溶液を150℃に加熱し、3時間攪拌を行った。
反応温度を室温に戻し、水酸化ナトリウム水溶液で中和した。
水層を酢酸エチルで3回抽出した後、有機層を硫酸ナトリウムにより脱水した。
その後、硫酸ナトリウムをろ過にて取り除いた後、溶媒をエバポレーターで留去した。
得られた粗生成物を300℃に加熱し、減圧下で3時間撹拌することによって留出成分を除去して、上記式(3)で表される化合物(式(3)中、Rは、炭素数が15の炭化水素基である。)を得た。
ゲルパーミエーションクロマトグラフィー(GPC)により、カルダノールに由来するピークの低下と、新たな高分子量成分の留出とを確認し、上記式(3)で表される化合物が得られたことを確認した。
攪拌機、還流冷却管、撹拌装置を備えたフラスコに、窒素パージを施しながら上記式(3)で表される化合物100質量部を量り取り、ビスフェノールA型エポキシ樹脂jer-828(三菱ケミカル株式会社製)100質量部、水酸化ナトリウム0.6質量部、メタノール18質量部、水5質量部を加えて反応溶液を作製した。次いで、反応溶液を75℃にまで昇温し、還流しながら3時間攪拌を行った。
反応温度を室温に戻し、水層をトルエンで3回抽出した後、有機層を硫酸ナトリウムにより脱水した。
その後、硫酸ナトリウムをろ過にて取り除いた後、溶媒をエバポレーターで留去し、上記式(1)で表される構造(式(1)中、Rは、炭素数が15の炭化水素基である。)と、上記式(2)で表される構造(式(2)中、Xは、炭素数が3である連結基であり、Rは、15の炭化水素基である。)とを含むフェノキシ樹脂を得た。
ゲルパーミエーションクロマトグラフィー(GPC)により、ビスフェノールA型エポキシ樹脂に由来するピークの低下と、新たな高分子量成分の留出とを確認し、目的とするフェノキシ樹脂が得られたことを確認した。
上記フェノキシ樹脂100質量部をとり、硬化剤(ST11、三菱ケミカル株式会社製)30質量部、2,4,6-トリスジメチルアミノメチルフェノール(東京化成工業株式会社製)0.5質量部を加えて混合し、組成物を得た。
ガラス板(縦100mm×横100mm)上に、上記組成物を塗布し、室温にて1日静置することで試験用硬化物1(縦100mm×横100mm、厚み200μm)を作製した。
また、PETフィルム(東レ株式会社製「登録商標:ルミラー S10」、縦100mm×横100mm)上に、上記組成物を塗布し、室温にて1日静置することで試験用硬化物2(縦100mm×横100mm、厚み200μm)を作製した。
フェノキシ樹脂(YP-40ASM40、日鉄ケミカル&マテリアル株式会社製、ビスフェノールAタイプ、重量平均分子量30000)100質量部をとり、硬化剤(ST11、三菱ケミカル株式会社製)1質量部、2,4,6-トリスジメチルアミノメチルフェノール(東京化成工業株式会社製)0.5質量部を加えて混合し、比較用組成物を得た。
ガラス板(縦100mm×横100mm)上に、上記組成物を塗布し、室温にて1日静置することで比較用硬化物1(縦100mm×横100mm、厚み200μm)を作製した。
また、PETフィルム(東レ株式会社製「登録商標:ルミラー S10」、縦100mm×横100mm)上に、上記組成物を塗布し、室温にて1日静置することで比較用硬化物2(縦100mm×横100mm、厚み200μm)を作製した。
試験用硬化物1及び比較用硬化物1に対して、JIS K 5600-5-4:1999に基づいて鉛筆硬度を測定した。
試験用硬化物2及び比較用硬化物2を平坦な机の上に置き、4辺の浮いた高さを測定して平均値を算出し、以下の基準で評価した。
(評価基準)
○:4辺の浮いた高さの平均値が5mm以下であった。
△:4辺の浮いた高さの平均値が5mmを超えて30mm以下であった。
×:4辺の浮いた高さの平均値が30mmを超えた。
試験用硬化物2及び比較用硬化物2を温度23℃、50%RHの環境下において、真鍮ブラシで塗膜を10往復こすり、硬化物表面に形成した傷の自己修復する時間を測定した。
(評価基準)
○:60秒未満で傷跡が修復する。
△:60秒以上10分未満で傷跡が修復する。
×:10分経過しても傷跡が修復しない。
試験用硬化物1及び比較用硬化物1に対してクロスカット法JIS K 5600-5-6:1999の100マス試験を実施し、100マス中剥離のないマス目を測定した。
(評価基準)
○:剥離のないマス目が90~100。
△:剥離のないマス目が70~89。
×:剥離のないマス目が69以下。
試験用硬化物1及び比較用硬化物1を100℃の水に2時間浸した後に硬化物の外観評価を行った。
(評価基準)
○:外観に変化が見られず良好。
×:硬化物が白濁する。
Claims (8)
- 前記式(1)及び(2)中、Rは、炭素数が12~16の炭化水素基である請求項1に記載のフェノキシ樹脂。
- 前記式(1)は、カルダノールに由来する請求項1又は2に記載のフェノキシ樹脂。
- 請求項1~3の何れか一項に記載のフェノキシ樹脂を含む組成物。
- 硬化剤を更に含む請求項4に記載の組成物。
- 硬化触媒を更に含む請求項5に記載の組成物。
- 請求項1~3の何れか一項に記載のフェノキシ樹脂及び/又は請求項4~6の何れか一項に記載の組成物を硬化してなる硬化物。
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JP2010535152A (ja) * | 2007-05-03 | 2010-11-18 | カードライト コーポレイション | カルダノールをベースとするダイマーおよびそれらの使用 |
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