EP3472217A1 - Gehärtete zusammensetzung mit hoher schlagfestigkeit und temperaturbeständigkeit, basierend auf einem epoxidharz und einem polyisocyanat - Google Patents
Gehärtete zusammensetzung mit hoher schlagfestigkeit und temperaturbeständigkeit, basierend auf einem epoxidharz und einem polyisocyanatInfo
- Publication number
- EP3472217A1 EP3472217A1 EP17729884.1A EP17729884A EP3472217A1 EP 3472217 A1 EP3472217 A1 EP 3472217A1 EP 17729884 A EP17729884 A EP 17729884A EP 3472217 A1 EP3472217 A1 EP 3472217A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hours
- reaction mixture
- polyisocyanate
- polyol
- resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000000203 mixture Substances 0.000 title claims abstract description 88
- 229920001228 polyisocyanate Polymers 0.000 title claims abstract description 41
- 239000005056 polyisocyanate Substances 0.000 title claims abstract description 41
- 229920000647 polyepoxide Polymers 0.000 title claims abstract description 29
- 239000003822 epoxy resin Substances 0.000 title claims abstract description 28
- 229920005862 polyol Polymers 0.000 claims abstract description 39
- 150000003077 polyols Chemical class 0.000 claims abstract description 39
- 239000003054 catalyst Substances 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims abstract description 26
- IZXIZTKNFFYFOF-UHFFFAOYSA-N 2-Oxazolidone Chemical group O=C1NCCO1 IZXIZTKNFFYFOF-UHFFFAOYSA-N 0.000 claims abstract description 10
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical group OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229920005989 resin Polymers 0.000 claims description 46
- 239000011347 resin Substances 0.000 claims description 46
- 239000011541 reaction mixture Substances 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 35
- 239000000835 fiber Substances 0.000 claims description 29
- 229910052757 nitrogen Inorganic materials 0.000 claims description 23
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 22
- 125000003118 aryl group Chemical group 0.000 claims description 20
- 229920000642 polymer Polymers 0.000 claims description 20
- -1 polytetramethylene Polymers 0.000 claims description 20
- 239000012948 isocyanate Substances 0.000 claims description 16
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 15
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 13
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 13
- 150000002513 isocyanates Chemical class 0.000 claims description 13
- 125000003700 epoxy group Chemical group 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 12
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 claims description 11
- GQHTUMJGOHRCHB-UHFFFAOYSA-N 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine Chemical compound C1CCCCN2CCCN=C21 GQHTUMJGOHRCHB-UHFFFAOYSA-N 0.000 claims description 10
- 230000009477 glass transition Effects 0.000 claims description 10
- RAXXELZNTBOGNW-UHFFFAOYSA-N imidazole Natural products C1=CNC=N1 RAXXELZNTBOGNW-UHFFFAOYSA-N 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 239000004593 Epoxy Substances 0.000 claims description 6
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 5
- 229920001451 polypropylene glycol Polymers 0.000 claims description 5
- 239000011342 resin composition Substances 0.000 claims description 5
- VHYFNPMBLIVWCW-UHFFFAOYSA-N 4-Dimethylaminopyridine Chemical compound CN(C)C1=CC=NC=C1 VHYFNPMBLIVWCW-UHFFFAOYSA-N 0.000 claims description 4
- 239000002202 Polyethylene glycol Substances 0.000 claims description 4
- 229920001223 polyethylene glycol Polymers 0.000 claims description 4
- 238000001721 transfer moulding Methods 0.000 claims description 4
- WRYCSMQKUKOKBP-UHFFFAOYSA-N Imidazolidine Chemical compound C1CNCN1 WRYCSMQKUKOKBP-UHFFFAOYSA-N 0.000 claims description 3
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 3
- 229920000570 polyether Polymers 0.000 claims description 3
- MCTWTZJPVLRJOU-UHFFFAOYSA-N 1-methyl-1H-imidazole Chemical compound CN1C=CN=C1 MCTWTZJPVLRJOU-UHFFFAOYSA-N 0.000 claims description 2
- RAXXELZNTBOGNW-UHFFFAOYSA-O Imidazolium Chemical compound C1=C[NH+]=CN1 RAXXELZNTBOGNW-UHFFFAOYSA-O 0.000 claims description 2
- KPADFPAILITQBG-UHFFFAOYSA-N non-4-ene Chemical compound CCCCC=CCCC KPADFPAILITQBG-UHFFFAOYSA-N 0.000 claims description 2
- 229920005906 polyester polyol Polymers 0.000 claims description 2
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 claims description 2
- FTTATHOUSOIFOQ-UHFFFAOYSA-N 1,2,3,4,6,7,8,8a-octahydropyrrolo[1,2-a]pyrazine Chemical compound C1NCCN2CCCC21 FTTATHOUSOIFOQ-UHFFFAOYSA-N 0.000 claims 1
- LCFVJGUPQDGYKZ-UHFFFAOYSA-N Bisphenol A diglycidyl ether Chemical compound C=1C=C(OCC2OC2)C=CC=1C(C)(C)C(C=C1)=CC=C1OCC1CO1 LCFVJGUPQDGYKZ-UHFFFAOYSA-N 0.000 claims 1
- 239000012973 diazabicyclooctane Substances 0.000 claims 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims 1
- 239000004848 polyfunctional curative Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 239000002585 base Substances 0.000 description 29
- 150000002118 epoxides Chemical group 0.000 description 27
- 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 18
- 150000001875 compounds Chemical class 0.000 description 16
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 16
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 description 10
- 150000002009 diols Chemical class 0.000 description 9
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 9
- 239000004615 ingredient Substances 0.000 description 8
- 239000000178 monomer Substances 0.000 description 8
- 150000002466 imines Chemical class 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 239000002131 composite material Substances 0.000 description 6
- 238000009745 resin transfer moulding Methods 0.000 description 6
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 6
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 5
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 5
- 239000011151 fibre-reinforced plastic Substances 0.000 description 5
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- MQJKPEGWNLWLTK-UHFFFAOYSA-N Dapsone Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=C1 MQJKPEGWNLWLTK-UHFFFAOYSA-N 0.000 description 4
- QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical compound OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 description 4
- 239000007795 chemical reaction product Substances 0.000 description 4
- 125000001072 heteroaryl group Chemical group 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 229920003986 novolac Polymers 0.000 description 4
- 229920001568 phenolic resin Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- 150000004072 triols Chemical class 0.000 description 4
- SCZNXLWKYFICFV-UHFFFAOYSA-N 1,2,3,4,5,7,8,9-octahydropyrido[1,2-b]diazepine Chemical compound C1CCCNN2CCCC=C21 SCZNXLWKYFICFV-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000004917 carbon fiber Substances 0.000 description 3
- QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 229920001971 elastomer Polymers 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 239000002657 fibrous material Substances 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- HEBKCHPVOIAQTA-UHFFFAOYSA-N meso ribitol Natural products OCC(O)C(O)C(O)CO HEBKCHPVOIAQTA-UHFFFAOYSA-N 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 150000002989 phenols Chemical class 0.000 description 3
- 230000000704 physical effect Effects 0.000 description 3
- 239000005060 rubber Substances 0.000 description 3
- 150000003512 tertiary amines Chemical class 0.000 description 3
- FKTHNVSLHLHISI-UHFFFAOYSA-N 1,2-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC=C1CN=C=O FKTHNVSLHLHISI-UHFFFAOYSA-N 0.000 description 2
- AGJCSCSSMFRMFQ-UHFFFAOYSA-N 1,4-bis(2-isocyanatopropan-2-yl)benzene Chemical compound O=C=NC(C)(C)C1=CC=C(C(C)(C)N=C=O)C=C1 AGJCSCSSMFRMFQ-UHFFFAOYSA-N 0.000 description 2
- 229930185605 Bisphenol Natural products 0.000 description 2
- VOWWYDCFAISREI-UHFFFAOYSA-N Bisphenol AP Chemical compound C=1C=C(O)C=CC=1C(C=1C=CC(O)=CC=1)(C)C1=CC=CC=C1 VOWWYDCFAISREI-UHFFFAOYSA-N 0.000 description 2
- BRLQWZUYTZBJKN-UHFFFAOYSA-N Epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 125000005466 alkylenyl group Chemical group 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 235000011187 glycerol Nutrition 0.000 description 2
- 150000002334 glycols Chemical class 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000010137 moulding (plastic) Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 150000008442 polyphenolic compounds Chemical class 0.000 description 2
- 235000013824 polyphenols Nutrition 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
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- HCNHNBLSNVSJTJ-UHFFFAOYSA-N 1,1-Bis(4-hydroxyphenyl)ethane Chemical compound C=1C=C(O)C=CC=1C(C)C1=CC=C(O)C=C1 HCNHNBLSNVSJTJ-UHFFFAOYSA-N 0.000 description 1
- QCGLUKVIKCEVAE-UHFFFAOYSA-N 1,2-oxazolidin-4-one Chemical compound O=C1CNOC1 QCGLUKVIKCEVAE-UHFFFAOYSA-N 0.000 description 1
- ZRJAITBRURLGCX-UHFFFAOYSA-N 1,2-oxazolidin-5-one Chemical compound O=C1CCNO1 ZRJAITBRURLGCX-UHFFFAOYSA-N 0.000 description 1
- RTTZISZSHSCFRH-UHFFFAOYSA-N 1,3-bis(isocyanatomethyl)benzene Chemical compound O=C=NCC1=CC=CC(CN=C=O)=C1 RTTZISZSHSCFRH-UHFFFAOYSA-N 0.000 description 1
- 150000005207 1,3-dihydroxybenzenes Chemical class 0.000 description 1
- VGHSXKTVMPXHNG-UHFFFAOYSA-N 1,3-diisocyanatobenzene Chemical compound O=C=NC1=CC=CC(N=C=O)=C1 VGHSXKTVMPXHNG-UHFFFAOYSA-N 0.000 description 1
- PXHFLWCSJYTAFU-UHFFFAOYSA-N 1,3-oxazolidin-4-one Chemical compound O=C1COCN1 PXHFLWCSJYTAFU-UHFFFAOYSA-N 0.000 description 1
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- SBJCUZQNHOLYMD-UHFFFAOYSA-N 1,5-Naphthalene diisocyanate Chemical compound C1=CC=C2C(N=C=O)=CC=CC2=C1N=C=O SBJCUZQNHOLYMD-UHFFFAOYSA-N 0.000 description 1
- SERLAGPUMNYUCK-DCUALPFSSA-N 1-O-alpha-D-glucopyranosyl-D-mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO[C@H]1O[C@H](CO)[C@@H](O)[C@H](O)[C@H]1O SERLAGPUMNYUCK-DCUALPFSSA-N 0.000 description 1
- LLVWLCAZSOLOTF-UHFFFAOYSA-N 1-methyl-4-[1,4,4-tris(4-methylphenyl)buta-1,3-dienyl]benzene Chemical compound C1=CC(C)=CC=C1C(C=1C=CC(C)=CC=1)=CC=C(C=1C=CC(C)=CC=1)C1=CC=C(C)C=C1 LLVWLCAZSOLOTF-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- 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
- C08G2115/00—Oligomerisation
- C08G2115/02—Oligomerisation to isocyanurate 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
- C08G2120/00—Compositions for reaction injection moulding processes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2363/00—Characterised by the use of epoxy resins; Derivatives of epoxy resins
- C08J2363/02—Polyglycidyl ethers of bis-phenols
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
- C08J2375/08—Polyurethanes from polyethers
Definitions
- Cured composition having high impact strength and temperature stability based on an epoxy resin and a polyisocyanate
- the present invention relates to a process for the preparation of a cured composition having at least one Oxazolidinonring and at least one isocyanurate ring and crosslinked by these, starting from a liquid reaction mixture based on the total weight of at least one epoxy resin, at least one polyisocyanate, at least one polyol and containing at least one catalyst composition, and the hardened composition obtainable thereby.
- Cured polymer compositions are subjected to high mechanical and thermal stresses during their manufacture and use.
- tougheners are added to the resin systems from which the compositions are made.
- the tougheners known in the art cause an increase in impact resistance, but also a lowering of the glass transition temperature that they are unsuitable for use at elevated temperature.
- the present invention is based on the discovery of the inventors that oxazolidinone- and isocyanurate-crosslinked plastics which increase the impact strength can be produced in certain ratios in short curing cycles by the addition of polyols to room temperature stable polyepoxide or polyisocyanate monomers with low viscosity without lowering the glass transition temperature.
- the plastics can be used in manufacturing processes and in their later applications in which these high temperatures are exposed.
- the plastics thus obtainable also show advantageous mechanical properties, in particular high impact strength, which are suitable for use in the automotive industry.
- the performance and properties of the polymers thus obtainable can be varied over a wide range by controlling the curing conditions and the type of catalyst systems.
- reaction mixtures which, based on their total weight, comprise at least one liquid, aromatic epoxy resin, at least one liquid, aromatic polyisocyanate, 1 to 20% by weight of at least one polyol and at least one suitable catalyst composition, where an excess when NCO groups are present in relation to the epoxide groups, curing gives oxazolidinone- and isocyanurate-crosslinked polymer compositions which have increased mechanical resistance and are therefore particularly suitable for the production of fiber-reinforced plastic moldings such as automobile parts.
- the impact resistance of the resulting cured polymer composition is increased without lowering the glass transition temperature. This phenomenon is surprisingly enhanced by the use of a molar excess of NCO groups over epoxide groups.
- the present invention therefore relates, in a first aspect, to a process for the preparation of a cured polymer composition comprising at least one oxazolidinone ring and at least one isocyanurate ring, which process comprises the steps:
- the present invention in another aspect, relates to a fiber-reinforced, cured composition obtainable by the methods described herein.
- At least one refers to 1 or more, for example, 1, 2, 3, 4, 5, 6, 7, 8, 9 or more. It refers to constituents of the catalyst compositions described herein Indicating not the absolute amount of molecules,
- at least one polyol means one or more different polyols, ie, one or more different types of polyols, and together with quantities, the amounts refer to the total amount of the corresponding designated type of ingredient already defined above.
- Liquid refers to flowable compositions at room temperature (20 ° C) and normal pressure (1013 mbar).
- the viscosity of the liquid composition described herein is low enough for the composition to be pumpable and, for example, to wet and impregnate fiber materials as used for fiber reinforced plastic parts.
- the reaction mixture has a viscosity of ⁇ 100 mPas at a temperature of 80 ° C.
- the resin mixture is prepared at room temperature with a suitable mixer and determined on a plate / plate rheometer in oscillation, the viscosity with increasing temperature at a heating rate of 50 K / min.
- the epoxy resin may include epoxy group-containing monomers, prepolymers and polymers, as well as mixtures of the abovementioned and is also referred to below as epoxy or epoxide group-containing resin.
- Suitable epoxy-group-containing resins are in particular resins having 1 to 10, preferably 2 to 10 epoxide groups per molecule.
- Epoxide groups as used herein refers to 1,2-epoxide groups (oxiranes).
- the epoxy resins usable herein may vary and include conventional and commercially available epoxy resins, each of which may be used individually or in combination of two or more different epoxy resins. In selecting the epoxy resins, not only the properties of the final product but also the properties of the epoxy resin, such as the viscosity and other properties that affect processability, play a role.
- the epoxy group-containing resin is a liquid, aromatic epoxy compound.
- suitable resins include, but are not limited to, (poly) glycidyl ethers commonly obtained by reacting epichlorohydrin or epibromohydrin with polyphenols in the presence of alkali, or also (poly) glycidyl ethers of phenol-formaldehyde novolak resins, alkyl-substituted Phenol-formaldehyde resins (epoxy novolak resins), phenol-hydroxybenzaldehyde resins, cresol-hydroxybenzaldehyde resins, dicyclopentadiene-phenolic resins, and dicyclopentadiene-substituted phenolic resins.
- Suitable polyphenols for this purpose are, for example, resorcinol, pyrocatechol, hydroquinone, bisphenol A (2,2-bis (4-hydroxyphenyl) propane), bisphenol F (bis (4-hydroxyphenyl) methane), 1, 1-bis (4-bis (4-hydroxyphenyl) propane). hydroxyphenyl) isobutane, 4,4-dihydroxybenzophenone, 1,1-bis (4-hydroxyphenyl) ethane and 1,5-hydroxynaphthalene.
- diglycidyl ethers of ethoxylated resorcinol DGER
- diglycidyl ether of resorcinol pyrocatechol
- hydroquinone bisphenol, bisphenol A, bisphenol AP (1,1-bis (4-hydroxyphenyl) -1-phenylethane), bisphenol F, bisphenol K, bisphenol S, and tetramethylbiphenol.
- Particularly preferred epoxy group-containing compounds are aromatic glycidyl ethers, in particular diglycidyl ethers, very particularly preferably those based on aromatic glycidyl ether monomers.
- aromatic glycidyl ethers in particular diglycidyl ethers, very particularly preferably those based on aromatic glycidyl ether monomers.
- examples include, without limitation, di- or polyglycidyl ethers of polyhydric phenols prepared by reacting a polyhydric phenol with an excess of chlorohydrin, e.g. Epichlorohydrin, can be obtained.
- Such polyhydric phenols include resorcinol, bis (4-hydroxyphenyl) methane (bisphenol F), 2,2-bis (4-hydroxyphenyl) propane (bisphenol A), 2,2-bis (4'-hydroxy-3 ', 5' -dibromophenyl) propane, 1,1,2,2-tetrakis (4'-hydroxyphenyl) ethane or condensates of phenols with formaldehyde obtained under acidic conditions, such as phenol novolacs and cresol novolaks.
- Diglycidyl ethers of bisphenol A are available, for example, as DER 331 (liquid bisphenol A epoxy resin) and DER 332 (diglycidyl ether from bisphenol A) from Dow Chemical Company, Midland, Michigan. Although not specifically mentioned, other epoxy resins available under the trade names DER and DEN from Dow Chemical Company may also be used.
- the polyisocyanate contains two or more isocyanate groups and includes any known and suitable for the purpose of the invention isocyanate and is hereinafter also referred to in part as isocyanate or isocyanate group-containing resin.
- isocyanates having two or more isocyanate groups are suitable.
- the polyisocyanates preferably contain 2 to 10, preferably 2 to 5, preferably 2 to 4, in particular exactly 2 isocyanate groups per molecule.
- isocyanates having a functionality of more than two may under certain circumstances be advantageous since such polyisocyanates are suitable as crosslinking agents.
- an aromatic polyisocyanate As the at least one polyisocyanate of the polyisocyanate component, an aromatic polyisocyanate will be used.
- the NCO groups are attached to aromatic carbon atoms. Examples of suitable aromatic - -
- Polyisocyanates are 1, 5-naphthylene diisocyanate, 2,4'-, 2,2'- or 4,4'-diphenylmethane diisocyanate (MDI), xylylene diisocyanate (XDI), m- and p-tetramethylxylylene diisocyanate (TMXDI), 2,4- or 2,6-tolylene diisocyanate (TDI), di- and tetraalkyldiphenylmethane diisocyanate, 3,3'-dimethyl-diphenyl-4,4'-diisocyanate (TODI) 1, 3-phenylenediisocyanate, 1, 4-phenylenediisocyanate, 4,4 ' - Dibenzyl diisocyanate.
- MDI 5-naphthylene diisocyanate
- XDI xylylene diisocyanate
- TXDI m- and p-tetramethylxy
- the polyisocyanate component may also contain portions of low molecular weight prepolymers, for example reaction products of MDI or TDI with low molecular weight diols or triols, such as e.g. Ethylene glycol, diethylene glycol, propylene glycol, dipropylene glycol, triethylene glycol, glycerol or trimethylolpropane.
- These prepolymers can be prepared by reacting an excess of monomeric polyisocyanate in the presence of diols of the triols.
- the number average molecular weight of the diols and triols is generally below 1000 g / mol.
- the reaction product can be freed by distillation of monomeric aromatic isocyanates.
- the at least one polyisocyanate preferably has an NCO content of more than 25% by weight, more preferably more than 28% by weight, particularly preferably more than 30% by weight, particularly preferably from 30 to 50% by weight, based on the at least one polyisocyanate, on.
- the proportion by mass refers to the amount of this polyisocyanate used, whereas, when using a mixture of polyisocyanates, it refers to the amount of the mixture of these polyisocyanates used.
- the at least one polyisocyanate has a viscosity of less than 80 mPas, in particular from 30 to 60 mPas (DIN ISO 2555, Brookfield Viscometer RVT, Spindle No. 3, 25 ° C, 50 rpm).
- the at least one polyisocyanate has a number average molecular weight of less than 1500 g / mol, more preferably less than 1000 g / mol.
- isocyanate group-containing resins are methylenediphenyl diisocyanate (MDI), toluene-2,4-diisocyanate (TDI), polymeric diphenylmethane diisocyanate (PMDI) and mixtures of the abovementioned.
- MDI methylenediphenyl diisocyanate
- TDI toluene-2,4-diisocyanate
- PMDI polymeric diphenylmethane diisocyanate
- DE Desmodur® from Bayer AG
- aromatic polyisocyanate monomers in particular aromatic diisocyanates such as MDI and TDI. - -
- both the epoxides used and the isocyanates used are monomers, in particular at standard conditions (20 ° C., 1013 mbar), liquid, low-viscosity monomers. These are particularly advantageous because they are significantly more stable, in particular storage-stable compared to other, higher-functional epoxy resins, and must not be stored refrigerated.
- the reaction mixture may contain a plurality of different epoxide group-containing compounds and / or a plurality of different isocyanate group-containing compounds.
- the liquid reaction mixture further comprises at least one polyol.
- Polyols as used herein refers to compounds having at least 2 hydroxyl groups (-OH) per molecule.
- the at least one polyol may, for example, have 2 or more hydroxyl groups, such as 3, 4, 5, 6, 7, 8, 9, 10 or more and have a cyclic, linear or branched structure.
- the at least one polyol particularly preferably has on average 2 to 10, in particular 2 to 6, preferably 2 to 3 hydroxyl groups. Particularly preferred are diols and / or triols.
- the polyols of the invention may be any of the polyols known in the art and useful in the present invention.
- the polyol may have a number average molecular weight of from 120 to 6,000 g / mol, such as from 120 to 6,000 g / mol, from 120 to 4,000 g / mol from 120 to 2,000 g / mol, from 120 g / mol to 1,000 g / mol, from 500 g / mol to 6,000 g / mol, from 500 g / mol to 4,000 g / mol, from 500 g / mol to 2,000 g / mol, from 500 g / mol to 1,000 g / mol, from 1,000 g / mol to 6,000 g / mol, from 1,000 g / mol to 4,000 g / mol, from 1,000 g / mol to 2,000 g / mol or from 2,000 g / mol.
- the at least one polyol is a polyether polyol, a polyester polyol or mixtures thereof.
- the polyether polyol may be a polyoxyalkylene polyol.
- the at least one polyol may also be a glycol.
- Glycols are compounds derived from diols, for example by reaction of at least 2 diols with elimination of water and formation of at least one ether group.
- Diols as used herein are compounds having 2 alcohol groups
- Diols according to the invention may be, but are not limited to, ethylene diol, propylene diol, butylene diol, pentylene diol, hexylene diol, heptylene diol and octylene diol
- the glycols may be derived from a diol or mixtures of different diols
- the polyol of the present invention is selected from the group consisting of polyethylene glycol, polypropylene glycol, polytetramethylene glycol, polyhexamethylene glycol, and mixtures thereof
- the polyol is selected from the group consisting of polyethylene glycol, polypropylene glycol or mixtures thereof, and more preferably the poly ol propylene glycol.
- the propylene glycol may have a number average molecular weight of 120 to 6,000 g / mol.
- Propylene glycol has a number average molecular weight of 120 to 6,000 g / mol, more preferably 1,000 to 3,000 g / mol, and most preferably 2,000 g / mol.
- the molecular weights given herein are based on the number average molecular weight (M n ).
- M n number average molecular weight
- the number average molecular weight can be determined by means of gel permeation chromatography according to DIN 55672-1: 2007-08 with THF as the eluent. Unless indicated otherwise, all molecular weights given are those determined by GPC.
- the polyol according to the invention may also be a polyol having more than 2 alcohol groups.
- examples of such polyols include, but are not limited to, glycerin, sorbitol, mannitol, xylitol, maltitol, lactitol, erythritol, isomalt, ribitol, galactitol, iditol, arabitol and polyglycitol.
- the proportion by weight of the at least one polyol can be varied from 1, 0 to 20.0 wt .-% based on the reaction mixture and depends on the at least one polyol and its chemical and physical properties as well as the desired physical and chemical properties of the cured composition ,
- the liquid reaction mixture contains from 2.0 to 15.0 weight percent, more preferably from 4.0 to 12.0 weight percent polyol.
- the polymer compositions according to the invention have an increased mechanical resistance, in particular an increased impact strength, without lowering the glass transition temperature, so that the resulting compositions can be exposed to elevated temperatures during manufacture and their expedient determination. Therefore, these are particularly suitable for the production of fiber-reinforced plastic moldings, such as automotive parts.
- the weight ratio of the at least one polyisocyanate and the at least one epoxy resin can also be varied and depends on the particular compounds used and their chemical and physical properties and on the desired physical and chemical properties of the cured composition.
- the polyisocyanate and the epoxide are used in amounts such that the molar equivalent ratio of isocyanate to epoxide groups is at least 1.2, in particular at least 1.25, preferably at least 1.3, even more preferably at least 1.4, more preferably at least 1, 5 is.
- the molar equivalent ratio of isocyanate groups to epoxide groups is preferably not more than 10, in particular not more than 5, preferably not more than 3, more preferably not more than 2.
- Molar equivalent ratio refers to the molar ratio of epoxide groups to isocyanate groups Isocyanate groups formed into epoxy groups, wherein a double number from isocyanate groups to epoxide groups correspond to a molar equivalent ratio of 2.
- a molar equivalent ratio of at least 1.2 therefore means, for example, that 1 mol of epoxide groups contain at least 1.2 mol of isocyanate groups. This means that the isocyanate groups are present in a molar excess to the epoxide groups.
- the molar equivalent ratio of isocyanate to epoxide groups is between 1, 2 and 10, more preferably between 1, 2 and 5, even more preferably between 1, 25 and 5, even more preferably between 1, 3 and 2. The inventors have found that By the use of such proportions particularly advantageous properties in terms of glass transition temperature, the modulus of elasticity and the impact resistance result.
- the reaction mixture based on the total weight of the reaction mixture, from 9.0 to 82.5% by weight, preferably from 15.0 to 65.0% by weight, more preferably from 20.0 to 60.0% by weight. , Most preferably 30.0 to 50.0 wt .-% of at least one liquid, aromatic epoxy resin used. In various embodiments of the invention, based on the total weight of the reaction mixture 16.5 to 90.0 wt .-%, preferably 20.0 to 80.0 wt .-%, more preferably 30.0 to 75.0 wt .-% , most preferably 35.0 to 70.0 wt .-% of the at least one liquid, aromatic polyisocyanate used.
- the reaction mixture comprises a catalyst composition.
- the catalyst composition does not include curing agents, i. Compounds that undergo an epoxide polyaddition reaction, such as dicyandiamide, DDS (diaminodiphenyl sulfone) and similar compounds, but only compounds that catalyze the polymerization of polyisocyanate and epoxide.
- the reaction mixture is therefore in preferred embodiments free of dicyandiamide or DDS, preferably a total of free of curing agents such as dicyandiamide or DDS.
- Free from means that the amount of the corresponding substance in the reaction mixture is less than 0.05% by weight, preferably less than 0.01% by weight, more preferably less than 0.001% by weight. %, based on the total weight of the reaction mixture.
- the catalyst composition may contain one or more catalysts. In various embodiments, it is useful for forming oxazolidinone and isocyanurate rings from the indicated ingredients.
- the catalyst is a base, wherein the catalyst used as the base is preferably a nonionic, nitrogen-containing base comprising at least one tertiary nitrogen atom and / or an imine nitrogen atom, in particular an imidazole or - -
- Imidazolidine is. It is further preferred that the catalyst or base is not based on an imidazolium cation.
- the term "tertiary" as used herein indicates that to the nitrogen atom contained in the at least one base, three organic moieties are covalently linked via single bonds Alternatively, the at least one base may contain an imine nitrogen atom "Imine” as used herein refers to the known class of compounds and indicates that the nitrogen atom has a covalent double bond to an organic radical and a single covalent bond to another organic radical. Imines are Schiff bases.
- the bases are unblocked bases. That is, the bases are used in pure or untreated or unreacted form, and not in the form of a salt or, for example, as a phenol-blocked form. By blocking the effect of the catalyst and thus the reaction rate and the resulting properties are adversely affected.
- the catalyst composition may, in various embodiments, contain several of the nonionic bases described above, for example a base with an imine nitrogen and a base with a tertiary nitrogen atom.
- the nonionic base may also be both a tertiary amine and an imine containing both a tertiary nitrogen atom and an imine nitrogen.
- the base used is preferably a nonionic, nitrogen-containing base which comprises at least one tertiary nitrogen atom and / or one imine nitrogen atom and also has a cyclic structure.
- the radicals R1 to R3 and R5 are each independently selected from the group consisting of substituted or unsubstituted, linear or branched alkyl of 1 to 20 carbon atoms, substituted or unsubstituted, linear or branched alkenyl of 3 to 20 carbon atoms and substituted or unsubstituted aryl 5 to 20 carbon atoms, or at least two of R 1 to R 3 together with the nitrogen atom to which they are attached form a 5- to 10-membered heteroalicyclic ring or heteroaryl ring optionally containing one or more further nitrogen atoms, especially 1 further Nitrogen atom.
- At least two of R 1 to R 3 together with the nitrogen atom to which they are attached form a 5- to 10-membered heteroalicyclic ring or heteroaryl ring optionally containing one or more further nitrogen atoms, especially 1 further nitrogen atom.
- R4 is a substituted or unsubstituted, linear or branched alkylenyl having from 3 to 20 carbon atoms, or R4 and R5 together with the nitrogen atom to which they are attached form a 5- to 10-membered heteroalicyclic ring or heteroaryl ring, optionally further Contains nitrogen atoms.
- R4 and R5 together with the nitrogen atom to which they are attached form a 5- to 10-membered heteroalicyclic ring or heteroaryl ring optionally containing further nitrogen atoms.
- Alkylenyl refers to an alkyl radical attached to the nitrogen atom via a double bond. When substituted, the substituents are defined as described above for alkyl radicals.
- the tertiary amine bases or imine bases are cyclic compounds which preferably contain at least two nitrogen atoms, i. at least two of R1 to R5 combine with each other to form a ring with the nitrogen atom to which they are attached, and further contain another nitrogen atom in the form of a group -NRR ', wherein the nitrogen atom is a ring atom and the group R or R 'is involved in ring formation.
- Particularly preferred are bases based on imidazole or imidazolidine.
- the bases are, for example, imidazole derivatives such as, for example, 1-alkylimidazole or 2,4-dialkylimidazole.
- the at least one nonionic base is selected from the group consisting of 1-methylimidazole, 2,4-ethylmethylimidazole (EMI), 4-dimethylaminopyridine, 1, 4-diazabicyclo [2.2.2] octane (DABCO), 1, 8 Diazabicyclo [5.4.0] undec-7-ene (DBU), 1, 5-diazobicyclo [3.4.0] non-5-ene (DBN) and mixtures thereof.
- the base is selected from the group consisting of EMI, DBU and mixtures thereof.
- At least two bases, of the bases described, are included, in particular exactly two.
- the reaction can be accelerated or the reaction rate can be specifically controlled and controlled.
- the use of two different bases can have an advantageous effect on the resulting properties.
- “Provide” as used herein refers to mixing the constituents of the reaction mixture in any order It may be advantageous, for example, first to combine two or more ingredients and optionally to mix into a heterogeneous or homogeneous mixture before adding the remaining ingredients
- the at least one epoxy group-containing compound and the catalyst composition may first be combined and mixed and then, for example just before curing, added the at least one isocyanate group-containing compound and mixed into the other already mixed components Combination and mixing steps, it may be advantageous to cool the reaction mixture to room temperature.
- the individual components of the reaction mixture can be used as such or as a solution in a solvent, such as an organic solvent or a mixture of organic solvents.
- a solvent such as an organic solvent or a mixture of organic solvents.
- the solvent may be a high boiling organic solvent.
- the solvent may be selected from the group consisting of petroleum, benzene, toluene, xylene, ethylbenzene and mixtures thereof. Since the epoxide and isocyanate compounds are preferably selected from liquid, low viscosity monomers, in various embodiments, the catalyst composition may be employed as a solution as described above.
- the reaction mixture in addition to the epoxide (a), the isocyanate (b), the polyol (c), and the catalyst composition (d), the reaction mixture comprises additional ingredients known and customary in the art.
- a modified resin can be used which imparts improved impact resistance and low temperature properties to the post cure compositions.
- Modified epoxide group-containing resins of this type are known in the art and include reaction products of epoxy resins having an epoxy functionality of greater than 1 with carboxy-functional rubbers, dimer fatty acids or so-called core / shell polymers, the Cores have a glass transition temperature of below -30 ° C.
- the epoxy group-containing resin in this case is preferably used in a stoichiometric excess and produces an epoxide-functional reaction product.
- the excess of epoxide group-containing resin may also be well above the stoichiometric excess.
- An epoxide functionality of greater than 1 means that the compounds contain more than 1, preferably at least 2, 1, 2 epoxide groups per molecule.
- modified epoxy-containing resins having an epoxide equivalent weight between 150 and 4000 are advantageous.
- Epoxy group-containing resins may also be modified in particular with a copolymer of a 1,3-diene or an ethylenically unsaturated co-monomer and / or with core-shell-particles (CSR core-shell-rubber). These modified resins are used in addition to the epoxy resin (a) and the isocyanate (b).
- reaction mixture described herein may be combined with other ingredients such as the tougheners described above, in the form of an adhesive composition or an injection resin.
- Such adhesive compositions can contain a variety of other components, all of which are well known to those skilled in the art, including, but not limited to, commonly used adjuvants and additives such as fillers, plasticizers, reactive and / or non-reactive diluents, flow agents , Coupling agents (eg silanes), adhesion promoters, wetting agents, release agents, flame retardants, wetting agents, thixotropic agents and / or rheological auxiliaries (eg fumed silica), aging and / or corrosion inhibitors, stabilizers and / or dyes.
- the auxiliaries and additives are incorporated in different amounts in the composition.
- the reaction mixture is applied to a substrate, for example when used as an adhesive, or filled into a mold, when used as a molding compound for producing plastic parts.
- the process is a transfer molding (RTM) process and the reaction mixture is a reactive injection resin.
- Reactive refers to the fact that the injection resin is chemically crosslinkable Provision of the reaction mixture, ie step (1) of the described method, which comprises filling, in particular injection (injection), of the injection resin into a mold
- injection injection
- reaction mixtures are particularly suitable, prior to injection into the molding tool into these fibers or semi-finished fiber products (Prewovens / Preform)
- the fibers and / or semifinished fiber products which can be used are the materials known in the art for this application, in particular carbon fibers.
- the invention further relates to the reaction mixtures described in connection with the methods, i. Resin compositions, based on their total weight (a) 9.0 to 82.5 wt .-% of at least one liquid, aromatic epoxy resin; (b) 16.5 to 90.0% by weight of at least one liquid, aromatic polyisocyanate; (c) 1, 0 to 20.0 wt .-% of at least one polyol; and (d) 0.01 to 10.0% by weight of at least one catalyst composition, the at least one epoxy resin being used in amounts relative to the at least one polyisocyanate such that the molar equivalent ratio of isocyanate groups to epoxide groups is greater than 1, 2, more preferably between 1, 2 and 10, even more preferably between 1, 25 and 5, even more preferably between 1, 3 and 4 and most preferably between 1, 4 and 2.
- such resin compositions are adhesive compositions or injection resins.
- the injection resins are preferably pumpable and particularly suitable for transfer molding (RTM process). Therefore, in various embodiments, the reaction mixture is at a temperature of 80 ° C, i. a typical infusion temperature, a viscosity of ⁇ 100 mPas. To determine the viscosity, the resin mixture is prepared at room temperature with a suitable mixer and determined on a plate / plate rheometer in oscillation, the viscosity with increasing temperature at a heating rate of 50 K / min.
- the invention therefore also relates in one embodiment to the moldings obtainable by means of the resin systems according to the invention in the RTM process.
- the RTM processes in which the described resin systems (polymer compositions) can be used are known as such in the prior art and can readily be adapted by the person skilled in the art such that the reaction mixture according to the invention can be used.
- the open times of the resin compositions (reaction mixture) as described herein are preferably greater than 90 seconds and more preferably in the range of 2 to 5 minutes, more preferably about 3 minutes. "Approximately” as used herein in connection with a numerical value the numerical value means ⁇ 10%.
- the reaction mixture in step (2) of the process according to the invention can be cured at different reaction temperatures.
- the curing temperature between 10 ° C and 230 ° C set.
- the curing at elevated temperature ie> 25 ° C, take place.
- the resins are cured between 50 ° C and 190 ° C, and preferably between 90 ° C and 150 ° C.
- the duration of curing also depends on the resins to be cured and the catalyst composition and may be between 0.01 hours to 10 hours. - -
- the cure cycle lasts a few minutes, i. especially 1 to 5 minutes.
- the curing can be done in one or more stages.
- the epoxy group-containing resin reacts with the isocyanate in the presence of the catalyst to form at least one oxazolidinone which cross-links the resins and, among other things, confers to the cured composition its beneficial physical properties.
- the at least one oxazolidinone formed on curing may contain one of 1,2-oxazolidin-3-one, 1,2-oxazolidin-4-one, 1,2-oxazolidin-5-one, 1,3-oxazolidin-2-one , 1, 3-oxazolidin-4-one, or 1, 3-oxazolidin-5-one.
- the cured composition may also contain a plurality of different of the aforementioned oxazolidinone isomers.
- the isocyanate groups react with each other to form at least one isocyanurate which crosslinks the resins together and also contributes to the advantageous properties of the cured composition.
- the resins cured by the catalyst systems and methods described herein preferably have a critical stress intensity factor K1 c of> 0.8, preferably at least 1, 0, more preferably> 1, 2 and most preferably> 1.5.
- the glass transition temperature of the cured resins (Tg (tan ⁇ ) by DTMA) is, in various embodiments, in the range of more than 100 ° C, especially more than 150 ° C, typically in the range up to 200 ° C.
- the elastic modulus of the cured resins is preferably at least 2500 N / mm 2 , preferably at least 3000 N / mm 2 , typically in the range from 2500 to 5000 N / mm 2 .
- the present invention relates to the cured composition obtainable by the method described herein.
- This can, depending on the method, be present as a molded part, in particular as a fiber-reinforced plastic molded part.
- Such moldings are preferably used in the automotive industry.
- the cured polymer composition are particularly suitable as a matrix resin for fiber composites. These can be used in various application methods, for example in the resin transfer molding process (RTM process) or in the infusion process.
- fiber components of fiber composites known high-strength fiber materials are suitable. These can be made of glass fibers, for example; synthetic fibers such as polyester fibers, polyethylene fibers, polypropylene fibers, polyamide fibers, polyimide fibers or - -
- aramid fibers Carbon fibers; boron fibers; oxide or non-oxide ceramic fibers such as alumina / silica fibers, silicon carbide fibers; Metal fibers, for example of steel or aluminum; or consist of natural fibers such as flax, hemp or jute.
- These fibers may be incorporated in the form of mats, fabrics, knits, mats, fleeces or rovings. Two or more of these fiber materials may also be used as a mixture.
- Short cut fibers can be selected, but preferably synthetic long fibers are used, in particular fabrics and scrims. Such high strength fibers, scrims, fabrics and rovings are known to those skilled in the art.
- the fiber composite material fibers in a volume fraction of more than 20 vol .-%, preferably more than 40 vol .-%, more preferably between 50 and 70 vol .-% based on the total fiber composite material to achieve particularly good mechanical properties .
- the volume fraction is determined in accordance with the standard DIN EN 2564: 1998-08, in the case of glass fibers in accordance with the standard DIN EN ISO 1 172: 1998-12.
- Such a fiber composite material is particularly suitable as an automotive component.
- Such fiber composites have several advantages over steel, so they are lighter, are characterized by an improved crash resistance and are also more durable.
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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)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Composite Materials (AREA)
- Polyurethanes Or Polyureas (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16175259.7A EP3260481B1 (de) | 2016-06-20 | 2016-06-20 | Gehärtete zusammensetzung mit hoher schlagfestigkeit und temperaturbeständigkeit, basierend auf einem epoxidharz und einem polyisocyanat |
| PCT/EP2017/064740 WO2017220437A1 (de) | 2016-06-20 | 2017-06-16 | Gehärtete zusammensetzung mit hoher schlagfestigkeit und temperaturbeständigkeit, basierend auf einem epoxidharz und einem polyisocyanat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3472217A1 true EP3472217A1 (de) | 2019-04-24 |
Family
ID=56137247
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16175259.7A Not-in-force EP3260481B1 (de) | 2016-06-20 | 2016-06-20 | Gehärtete zusammensetzung mit hoher schlagfestigkeit und temperaturbeständigkeit, basierend auf einem epoxidharz und einem polyisocyanat |
| EP17729884.1A Withdrawn EP3472217A1 (de) | 2016-06-20 | 2017-06-16 | Gehärtete zusammensetzung mit hoher schlagfestigkeit und temperaturbeständigkeit, basierend auf einem epoxidharz und einem polyisocyanat |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16175259.7A Not-in-force EP3260481B1 (de) | 2016-06-20 | 2016-06-20 | Gehärtete zusammensetzung mit hoher schlagfestigkeit und temperaturbeständigkeit, basierend auf einem epoxidharz und einem polyisocyanat |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US11566113B2 (de) |
| EP (2) | EP3260481B1 (de) |
| JP (1) | JP7175199B2 (de) |
| KR (1) | KR102466864B1 (de) |
| CN (1) | CN109312041B (de) |
| CA (1) | CA3033848A1 (de) |
| ES (1) | ES2909123T3 (de) |
| MX (1) | MX2018015812A (de) |
| WO (1) | WO2017220437A1 (de) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108587550B (zh) * | 2018-04-10 | 2020-10-30 | 广东中粘新材料科技有限公司 | 一种应用于汽车行业的双组分无溶剂反应型聚氨酯热熔胶及其使用方法 |
| JP7512249B2 (ja) * | 2018-07-18 | 2024-07-08 | ビーエーエスエフ ソシエタス・ヨーロピア | ポリオキサゾリドンのバルク重合 |
| EP3938415A1 (de) * | 2019-03-15 | 2022-01-19 | Basf Se | Lignocelluloseverbundartikel |
| CN110144035A (zh) * | 2019-05-24 | 2019-08-20 | 桂林电子科技大学 | 一种聚乙二醇接枝环氧树脂复合材料及其制备方法 |
| CN110128985A (zh) * | 2019-06-14 | 2019-08-16 | 二工防爆科技股份有限公司 | 一种用于防爆设备的防爆密封胶及其制备方法 |
| US20220396696A1 (en) * | 2019-11-18 | 2022-12-15 | Toray Industries, Inc. | Method for forming fiber-reinforced composite material and epoxy resin composition for use therein |
| EP3825355A1 (de) * | 2019-11-22 | 2021-05-26 | Henkel AG & Co. KGaA | Formulierungen mit hohen glasübergangstemperaturen für laminate |
| EP3825341A1 (de) * | 2019-11-22 | 2021-05-26 | Henkel AG & Co. KGaA | Matrixharz für laminate mit hoher transparenz, geringer vergilbung und hohen glasübergangstemperaturen |
| JPWO2022124191A1 (de) * | 2020-12-08 | 2022-06-16 | ||
| CN116574231A (zh) * | 2023-05-16 | 2023-08-11 | 道生天合材料科技(上海)股份有限公司 | 阻燃树脂组合物及其制备方法和纤维增强复合材料 |
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| JPS5174095A (en) * | 1974-12-25 | 1976-06-26 | Mitsubishi Chem Ind | Okisazoridon isoshianureetofuoomuno seizoho |
| DE3323122A1 (de) * | 1983-06-27 | 1985-05-23 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur herstellung von reaktionsharzformstoffen |
| DE3323084A1 (de) * | 1983-06-27 | 1985-01-10 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zur herstellung von formstoffen |
| GB8412900D0 (en) * | 1984-05-21 | 1984-06-27 | Secr Defence | Thermosetting resin compositions |
| JPS61181816A (ja) * | 1985-02-06 | 1986-08-14 | Sumitomo Bakelite Co Ltd | 変性エポキシ樹脂の製造方法 |
| US4766158A (en) * | 1987-08-03 | 1988-08-23 | Olin Corporation | Urethane-containing oxazolidone-modified isocyanurate foams and a composition and method for their production |
| FI902943A7 (fi) * | 1989-07-19 | 1991-01-20 | Siemens Ag | Kuumassa kovettuvia reaktiohartsiseoksia |
| DE4029887A1 (de) * | 1990-09-21 | 1992-03-26 | Bayer Ag | Reaktivsysteme und ein verfahren zur herstellung von modifizierten duroplasten |
| US5304612A (en) * | 1990-12-25 | 1994-04-19 | Teijin Limited | Plural liquid pack type heat curable polyisocyanate-glycidyl acrylate compound resinous composition and process for producing shaped resin article therefrom |
| DE4136943A1 (de) * | 1991-11-11 | 1993-05-13 | Schering Ag | Modifizierte polyalkoxyepoxidharze, verfahren zu ihrer herstellung und ihre verwendung |
| JPH05214061A (ja) * | 1992-01-31 | 1993-08-24 | Teijin Ltd | 多液型熱硬化性樹脂組成物及び硬化樹脂成形物の製造方法 |
| GB9827367D0 (en) * | 1998-12-11 | 1999-02-03 | Dow Deutschland Inc | Adhesive resin composition |
| CA2696785A1 (en) * | 2007-09-11 | 2009-03-19 | Dow Global Technologies Inc. | Isocyanate modified epoxy resin for fusion bonded epoxy foam applications |
| CN102838869B (zh) * | 2012-09-21 | 2014-07-02 | 中国海洋石油总公司 | 环氧树脂—聚氨酯杂化耐高温保温材料及制备方法 |
| RU2675359C2 (ru) * | 2013-03-28 | 2018-12-19 | ДАУ ГЛОБАЛ ТЕКНОЛОДЖИЗ ЭлЭлСи | Способ получения уретан-изоциануратов |
| CN105358599B (zh) * | 2013-07-11 | 2019-04-19 | 陶氏环球技术有限责任公司 | 用于制造氨酯-异氰脲酸酯的方法 |
| DE102014226838A1 (de) * | 2014-12-22 | 2016-06-23 | Henkel Ag & Co. Kgaa | Oxazolidinon- und Isocyanurat-vernetzte Matrix für faserverstärktes Material |
| DE102014226842A1 (de) * | 2014-12-22 | 2016-06-23 | Henkel Ag & Co. Kgaa | Katalysator-Zusammensetzung zur Härtung von Epoxidgruppen-haltigen Harzen |
| US11702499B2 (en) * | 2018-12-11 | 2023-07-18 | Trimer Technologies Llc | Polyisocyanurate based polymers and fiber reinforced composites |
| EP3750934A1 (de) * | 2019-06-12 | 2020-12-16 | Covestro Deutschland AG | Verfahren zur herstellung von isocyanatgruppenterminierten polyoxazolidinonen |
| EP3750933A1 (de) * | 2019-06-12 | 2020-12-16 | Covestro Deutschland AG | Verfahren zur herstellung von epoxidgruppenterminierten polyoxazolidinonen |
-
2016
- 2016-06-20 EP EP16175259.7A patent/EP3260481B1/de not_active Not-in-force
- 2016-06-20 ES ES16175259T patent/ES2909123T3/es active Active
-
2017
- 2017-06-16 CA CA3033848A patent/CA3033848A1/en not_active Abandoned
- 2017-06-16 JP JP2018566520A patent/JP7175199B2/ja active Active
- 2017-06-16 WO PCT/EP2017/064740 patent/WO2017220437A1/de not_active Ceased
- 2017-06-16 KR KR1020197001726A patent/KR102466864B1/ko active Active
- 2017-06-16 EP EP17729884.1A patent/EP3472217A1/de not_active Withdrawn
- 2017-06-16 CN CN201780037791.7A patent/CN109312041B/zh active Active
- 2017-06-16 MX MX2018015812A patent/MX2018015812A/es unknown
-
2018
- 2018-12-12 US US16/217,697 patent/US11566113B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR20190022655A (ko) | 2019-03-06 |
| KR102466864B1 (ko) | 2022-11-14 |
| JP7175199B2 (ja) | 2022-11-18 |
| ES2909123T3 (es) | 2022-05-05 |
| CA3033848A1 (en) | 2017-12-28 |
| MX2018015812A (es) | 2019-04-29 |
| US20190112437A1 (en) | 2019-04-18 |
| CN109312041A (zh) | 2019-02-05 |
| EP3260481B1 (de) | 2022-02-23 |
| EP3260481A1 (de) | 2017-12-27 |
| CN109312041B (zh) | 2022-11-29 |
| US11566113B2 (en) | 2023-01-31 |
| JP2019521216A (ja) | 2019-07-25 |
| WO2017220437A1 (de) | 2017-12-28 |
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