EP3325528A1 - Poly(uree-urethane) a blocs polyurethane-polyether et polyurethane-polyester et groupe terminal alkoxysilane - Google Patents
Poly(uree-urethane) a blocs polyurethane-polyether et polyurethane-polyester et groupe terminal alkoxysilaneInfo
- Publication number
- EP3325528A1 EP3325528A1 EP16756721.3A EP16756721A EP3325528A1 EP 3325528 A1 EP3325528 A1 EP 3325528A1 EP 16756721 A EP16756721 A EP 16756721A EP 3325528 A1 EP3325528 A1 EP 3325528A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- polyurethane
- nco
- polyether
- polyester
- process according
- 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- Withdrawn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
- 239000004721 Polyphenylene oxide Substances 0.000 title claims abstract description 57
- 229920000570 polyether Polymers 0.000 title claims abstract description 57
- 229920000728 polyester Polymers 0.000 title claims abstract description 47
- -1 Poly(urea-urethane) Polymers 0.000 title claims abstract description 20
- 239000000203 mixture Substances 0.000 claims abstract description 53
- 229920005862 polyol Polymers 0.000 claims abstract description 46
- 229920002635 polyurethane Polymers 0.000 claims abstract description 46
- 239000004814 polyurethane Substances 0.000 claims abstract description 46
- 150000003077 polyols Chemical class 0.000 claims abstract description 41
- 239000000853 adhesive Substances 0.000 claims abstract description 32
- 230000001070 adhesive effect Effects 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 28
- 239000003054 catalyst Substances 0.000 claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 23
- 229920005906 polyester polyol Polymers 0.000 claims abstract description 19
- 125000005442 diisocyanate group Chemical group 0.000 claims abstract description 14
- 238000004132 cross linking Methods 0.000 claims abstract description 13
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 claims abstract description 10
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 7
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 15
- 238000002360 preparation method Methods 0.000 claims description 14
- 230000008018 melting Effects 0.000 claims description 12
- 238000002844 melting Methods 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 11
- 125000001931 aliphatic group Chemical group 0.000 claims description 11
- 229920001451 polypropylene glycol Polymers 0.000 claims description 11
- 239000003153 chemical reaction reagent Substances 0.000 claims description 10
- XVEUJTIZHZIHJM-UHFFFAOYSA-N a828782 Chemical compound CCOC(N)=O.CCOC(N)=O XVEUJTIZHZIHJM-UHFFFAOYSA-N 0.000 claims description 7
- 125000004432 carbon atom Chemical group C* 0.000 claims description 7
- 125000004122 cyclic group Chemical group 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 claims description 4
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 3
- 125000000217 alkyl group Chemical group 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 229910000077 silane Inorganic materials 0.000 claims description 2
- 125000000467 secondary amino group Chemical class [H]N([*:1])[*:2] 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 229920000642 polymer Polymers 0.000 description 14
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 12
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 11
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 9
- 150000002009 diols Chemical class 0.000 description 9
- OYQYHJRSHHYEIG-UHFFFAOYSA-N ethyl carbamate;urea Chemical compound NC(N)=O.CCOC(N)=O OYQYHJRSHHYEIG-UHFFFAOYSA-N 0.000 description 9
- 238000005259 measurement Methods 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000007711 solidification Methods 0.000 description 7
- 230000008023 solidification Effects 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 239000003963 antioxidant agent Substances 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- BUZRAOJSFRKWPD-UHFFFAOYSA-N isocyanatosilane Chemical compound [SiH3]N=C=O BUZRAOJSFRKWPD-UHFFFAOYSA-N 0.000 description 5
- 150000003505 terpenes Chemical class 0.000 description 5
- 235000007586 terpenes Nutrition 0.000 description 5
- 239000001361 adipic acid Substances 0.000 description 4
- 229960000250 adipic acid Drugs 0.000 description 4
- 235000011037 adipic acid Nutrition 0.000 description 4
- 125000000524 functional group Chemical group 0.000 description 4
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229920000162 poly(ureaurethane) Polymers 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 229960004063 propylene glycol Drugs 0.000 description 4
- 235000013772 propylene glycol Nutrition 0.000 description 4
- 239000000376 reactant Substances 0.000 description 4
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 3
- 239000004970 Chain extender Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 3
- 150000001298 alcohols Chemical group 0.000 description 3
- 125000005370 alkoxysilyl group Chemical group 0.000 description 3
- 229910052797 bismuth Inorganic materials 0.000 description 3
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 3
- 150000002989 phenols Chemical class 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 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 3
- 231100000331 toxic Toxicity 0.000 description 3
- 230000002588 toxic effect Effects 0.000 description 3
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- ZWVMLYRJXORSEP-UHFFFAOYSA-N 1,2,6-Hexanetriol Chemical compound OCCCCC(O)CO ZWVMLYRJXORSEP-UHFFFAOYSA-N 0.000 description 2
- VSKJLJHPAFKHBX-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 VSKJLJHPAFKHBX-UHFFFAOYSA-N 0.000 description 2
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 description 2
- 238000005727 Friedel-Crafts reaction Methods 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical compound ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 2
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 2
- 229920013701 VORANOL™ Polymers 0.000 description 2
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 2
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 150000008064 anhydrides Chemical class 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- 230000000711 cancerogenic effect Effects 0.000 description 2
- 231100000315 carcinogenic Toxicity 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- AYOHIQLKSOJJQH-UHFFFAOYSA-N dibutyltin Chemical compound CCCC[Sn]CCCC AYOHIQLKSOJJQH-UHFFFAOYSA-N 0.000 description 2
- 239000012975 dibutyltin dilaurate Substances 0.000 description 2
- 238000000113 differential scanning calorimetry Methods 0.000 description 2
- HGQSXVKHVMGQRG-UHFFFAOYSA-N dioctyltin Chemical compound CCCCCCCC[Sn]CCCCCCCC HGQSXVKHVMGQRG-UHFFFAOYSA-N 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 238000005227 gel permeation chromatography Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 231100000219 mutagenic Toxicity 0.000 description 2
- 230000003505 mutagenic effect Effects 0.000 description 2
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 description 2
- BNJOQKFENDDGSC-UHFFFAOYSA-N octadecanedioic acid Chemical compound OC(=O)CCCCCCCCCCCCCCCCC(O)=O BNJOQKFENDDGSC-UHFFFAOYSA-N 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- 229920000768 polyamine Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 description 2
- 150000003335 secondary amines Chemical class 0.000 description 2
- 238000006884 silylation reaction Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 1
- XPVIQPQOGTVMSU-UHFFFAOYSA-N (4-acetamidophenyl)arsenic Chemical compound CC(=O)NC1=CC=C([As])C=C1 XPVIQPQOGTVMSU-UHFFFAOYSA-N 0.000 description 1
- RYSXWUYLAWPLES-MTOQALJVSA-N (Z)-4-hydroxypent-3-en-2-one titanium Chemical compound [Ti].C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O.C\C(O)=C\C(C)=O RYSXWUYLAWPLES-MTOQALJVSA-N 0.000 description 1
- ORTVZLZNOYNASJ-UPHRSURJSA-N (z)-but-2-ene-1,4-diol Chemical compound OC\C=C/CO ORTVZLZNOYNASJ-UPHRSURJSA-N 0.000 description 1
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 1
- FKOMNQCOHKHUCP-UHFFFAOYSA-N 1-[n-(2-hydroxypropyl)anilino]propan-2-ol Chemical compound CC(O)CN(CC(C)O)C1=CC=CC=C1 FKOMNQCOHKHUCP-UHFFFAOYSA-N 0.000 description 1
- QFGCFKJIPBRJGM-UHFFFAOYSA-N 12-[(2-methylpropan-2-yl)oxy]-12-oxododecanoic acid Chemical compound CC(C)(C)OC(=O)CCCCCCCCCCC(O)=O QFGCFKJIPBRJGM-UHFFFAOYSA-N 0.000 description 1
- PISLZQACAJMAIO-UHFFFAOYSA-N 2,4-diethyl-6-methylbenzene-1,3-diamine Chemical compound CCC1=CC(C)=C(N)C(CC)=C1N PISLZQACAJMAIO-UHFFFAOYSA-N 0.000 description 1
- RWLALWYNXFYRGW-UHFFFAOYSA-N 2-Ethyl-1,3-hexanediol Chemical compound CCCC(O)C(CC)CO RWLALWYNXFYRGW-UHFFFAOYSA-N 0.000 description 1
- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 description 1
- SXFJDZNJHVPHPH-UHFFFAOYSA-N 3-methylpentane-1,5-diol Chemical compound OCCC(C)CCO SXFJDZNJHVPHPH-UHFFFAOYSA-N 0.000 description 1
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- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- HJWLCRVIBGQPNF-UHFFFAOYSA-N prop-2-enylbenzene Chemical compound C=CCC1=CC=CC=C1 HJWLCRVIBGQPNF-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- 239000003707 silyl modified polymer Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 150000003431 steroids Chemical class 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
- 239000001384 succinic acid Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 238000009864 tensile test Methods 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- 150000003606 tin compounds Chemical class 0.000 description 1
- 150000003608 titanium Chemical class 0.000 description 1
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 description 1
- YUYCVXFAYWRXLS-UHFFFAOYSA-N trimethoxysilane Chemical compound CO[SiH](OC)OC YUYCVXFAYWRXLS-UHFFFAOYSA-N 0.000 description 1
- 150000004072 triols Chemical class 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J175/00—Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers
- C09J175/04—Polyurethanes
- C09J175/08—Polyurethanes from polyethers
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/227—Catalysts containing metal compounds of antimony, bismuth or arsenic
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4236—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups
- C08G18/4238—Polycondensates having carboxylic or carbonic ester groups in the main chain containing only aliphatic groups derived from dicarboxylic acids and dialcohols
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4825—Polyethers containing two hydroxy 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/48—Polyethers
- C08G18/4833—Polyethers containing oxyethylene units
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/83—Chemically modified polymers
- C08G18/837—Chemically modified polymers by silicon containing compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
-
- 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
- C08G2170/00—Compositions for adhesives
- C08G2170/20—Compositions for hot melt adhesives
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2475/00—Presence of polyurethane
Definitions
- the subject of the present invention is an alkoxysilane end group poly (urea urethane) which, after crosslinking, has advantageous mechanical properties which are suitable for use as an adhesive or putty, especially as a hot-melt adhesive.
- the present invention also relates to a process for preparing poly (urea-urethane) and an adhesive composition comprising it. Finally, it relates to an assembly process using said composition.
- Alkoxysilane end group polymers are known for which said group is connected, directly or indirectly, to a main chain which consists of a polyether chain.
- Such a polymer is firstly applied, in combination with a catalyst and in the form of an adhesive layer, on at least one of the two surfaces which respectively belong to the two substrates to be assembled and which are intended to be put into place. contact with each other in the assembly. After contacting the two substrates and applying, if necessary, a pressure at their tangency surface, the polymer reacts with the water in the surrounding medium in the form of atmospheric moisture. or moisture provided by said substrates.
- crosslinking leads after completion to the formation of an adhesive seal between the two substrates which consists of the crosslinked polymer in a three-dimensional network formed by the polymer chains interconnected by siloxane type bonds. This seal ensures the strength of the assembly of the 2 substrates thus obtained.
- green strength is intended to mean the ability of an adhesive to immediately ensure adequate cohesion of the adhesive seal, thanks to a high initial rate of increase in cohesion of said seal, as soon as the two substrates come into contact with each other. intended to be assembled by gluing.
- a good level of green strength avoids the difficulties observed during the setting time. It is, for example, particularly appreciated by manufacturers who proceed to assembly by bonding, in assembly lines operating at high rates, body parts made of thermoplastic material for the automobile. Indeed, from the application of the adhesive on the parts to be assembled and their contact, usually by robotic means, the assembly is then sufficiently secured to be handled easily and quickly on the assembly line, without risk to its integrity.
- step (b) reacting the polyurethane of step (a) with a stoichiometric excess of a polyester polyol, to form a polyurethane-polyether polyurethane and polyurethane-polyester block polyurethane comprising at least 2 terminal blocks each consisting of a polyurethane block - polyester connected to a terminal group -OH, then
- step (c) silylating reaction of the -OH end group polyurethane of step (b) with a stoichiometric amount of an isocyanatosilane.
- the polyurethane thus obtained is advantageously homogeneous and stable in temperature. It forms, after crosslinking with atmospheric moisture in the presence of a suitable catalyst, an adhesive joint which has cohesion values higher than that obtained for crosslinked MS Polymers®, and generally greater than 3 MPa.
- this polyurethane has the disadvantage of implementing for step (c) of silylation an isocyanatosilane. Indeed, on the one hand, this molecule is toxic, and called "CMR" because it has a carcinogenic, mutagenic and / or toxic for reproduction. Given the dangers it poses to human health, its implementation in an industrial manufacturing process is therefore subject to many technical constraints. On the other hand, the availability of isocyanatosilanes on the market in industrial quantities is limited, which also implies very high costs for these raw materials.
- the present invention aims to avoid the use of such an isocyanatosilane, while obtaining a polyurethane block and alkoxysilane end group which leads after crosslinking to an adhesive joint whose mechanical properties, including cohesive properties and elastic properties, are further improved.
- Another object of the present invention is still to provide alkoxysilane end group polymers, which also have a "green strength" of suitable level.
- the invention therefore relates firstly to a process for preparing a poly (urethane-urethane) comprising blocks of polyurethane-polyether and polyurethane-polyester types, two blocks of the same type being each connected to an alkoxysilane end group by the intermediate of a urea function, said method comprising the sequential steps:
- step (ii) reacting the -NCO-terminated polyurethane produced in step (i) with a stoichiometric excess of an alcohol composition comprising a polyol A (II) selected from:
- a (1) is A 2 ; for forming a polyurethane comprising polyurethane-polyether and polyurethane-polyester blocks comprising at least 2 terminal blocks ⁇ of the same type consisting of a block of type:
- a (l) is Ai, or
- step (iii) reacting the -OH end-group polyurethane produced in step (ii) with a stoichiometric excess of an aliphatic or aromatic diisocyanate B (III) , to form a polyurethane-polyether-polyurethane block polyurethane comprising 2 terminal groups -NCO; then
- step (iv) reacting the -NCO group-terminated polyurethane produced in step (iii) with a substantially stoichiometric amount of an aminosilane C derived from a primary or secondary amine.
- the aminosilane used in the silylation step (iv) does not present a known risk of being carcinogenic, mutagenic and / or toxic for reproduction. This compound is moreover advantageously available industrially, and for a lower cost than that of an isocyanatosilane.
- the poly (urea-urethane) obtained in the process according to the invention is homogeneous and stable in temperature.
- said adhesive seal offers elastic properties, quantified by a measure of elongation at break, greatly increased, and generally greater than 700%. Such elastic properties make the adhesive seal particularly suitable for supporting vibratory mechanical stresses in an assembly. These properties are therefore significant especially for use in the field of means of transport (such as motor vehicles, buses, trucks, or trains or ships).
- the poly (ure-urethane) thus obtained is a thermoplastic polymer (in anhydrous medium) whose melting point (measured by the differential scanning calorimetry method also called DSC) is between 40 and 130 ° C. It can therefore be used as a hot-melt adhesive and applied hot on the interface of the substrates to be assembled. By solidification at room temperature, an adhesive joint solidarisant the substrates is thus immediately created, giving the adhesive advantageous properties of "green strength".
- the alcohol composition used in step (i) comprises one or more polyols A (1) (respectively A (II) ); each of the polyols A (I) and A (II) being chosen:
- the polyether polyols A1 which can be used in step (i) or (ii) of the process according to the invention are generally chosen from aliphatic and aromatic polyether polyols. Preferably, their molecular mass is between 0.5 and 20 kDa and their hydroxyl functionality is between 2 and 4.6. The hydroxyl functionality is the average number of hydroxyl functions per mole of polyether polyol.
- the indicated molecular weight is a number average molecular weight (generally denoted Mn); it is the same for all the molecular weights indicated for polymers in the present text, in the absence of indication to the contrary.
- aliphatic polyether polyols mention may be made of oxyalkylated or poly (oxyalkylated) derivatives of:
- diols such as ethylene glycol (or ethane-1,2-diol), propylene glycol (or propane-1,2-diol), neopentyl glycol, polytetramethylene glycol of formula:
- n is an integer from about 2 to 100;
- triols such as glycerol, trimethylolpropane and hexane-1,2,6-triol, or de-tetrols such as pentaerythritol.
- the polyether polyol Al is a polyether diol alone or in admixture with up to 30% by weight of a polyether triol.
- the polyether polyol A1 is chosen from among the Polypropylene Glycols (or PPGs) of hydroxyl functionality equal to 2 or 3, among which may be mentioned:
- polyol polyol is used
- the polymolecularity index is the ratio of the weight average molecular weight to the number average molecular weight.
- Such polypropylene glycols are commercially available under the brand ACCLAIM ® from Bayer. There may be mentioned as examples of such trifunctional PPG the ACCLAIM ® 6300 which has a molecular weight of about 6000 Da and an OH value equal to 28.3 mg KOH / g, and examples of difunctional PPG:
- Polyester polyol A 2 Polyester polyol A 2 :
- Polyester polyols A 2 that can be used in step (i) or (ii) of the process according to the invention are chosen from aliphatic and aromatic polyester polyols. Preferably, their molecular mass is between 1 and 10 kDa, still more preferably between 2 and 6 kDa, and their hydroxyl functionality can vary from 2 to 4. By way of examples, mention may be made of:
- polyesters polyols of natural origin such as castor oil
- aliphatic (linear branched or cyclic) or aromatic polyols such as ethylene glycol, propylene glycol, 1,3-propanediol, glycerol, trimethylolpropane, 1,6-hexanediol, 1, 2,6-hexanetriol, butenediol, sucrose, glucose, sorbitol, pentaerythritol, mannitol, triethanolamine, N-methyldiethanolamine and mixtures thereof, with
- polycarboxylic acid or its ester or anhydride derivative such as 1,6-hexanedioic acid, dodecanedioic acid, azelaic acid, sebacic acid, adipic acid, 1,18- octadecanedioic acid, phthalic acid, succinic acid and mixtures thereof, an unsaturated anhydride such as maleic or phthalic anhydride, or a lactone such as caprolactone.
- a polyol polyester having a melting point greater than or equal to 50 ° C., which corresponds to a marked crystallinity, is preferably chosen as polyester polyol A 2 .
- Said melting point is measured by the differential scanning calorimetry method (also known as DSC).
- DSC differential scanning calorimetry method
- TONE® 0240 (available from Union Carbide), which is a polycaprolactone with a molecular weight of about 2000 Da, of OHI equal to 56, having a melting point of about 50 ° C.,
- DYNACOLL® 7360 which results from the condensation of adipic acid with 1,6-hexanediol, has a molecular weight of about 3500 Da, an OHI of 30 and a melting point of about 55 ° C.
- DYNACOLL® 7330 with a molecular weight of about 3500 Da, of 30 OH, having a melting point of about 85 ° C.
- DYNACOLL® 7363 which also results from the condensation of adipic acid with hexanediol, has a molecular weight of about 5,500 Da, an IOH of 21 and a melting point of about 57 ° C.
- a polyester polyol corresponding to an advantageous embodiment of the process according to the invention is obtained by condensation of 1,6-hexanediol with adipic acid.
- step (i) or (ii) (as appropriate) of the process according to the invention one or more polyester polyols A 2 having a hydroxyl functionality ranging from 2 to 3, a functionality of 2 being more particularly preferred.
- the alcohol compositions used in steps (i) and (ii) may comprise, in addition to polyols A (1) and A (II) , one (or more) chain extender, chosen from diols and polyamines. of molecular weight between 60 and 500 Da.
- diols By way of illustration of such diols, mention may be made of ethylene glycol, propylene glycol, diethylene glycol, dipropylene glycol, 3-methylpropanediol-1,5, 1,4-butanediol, 1, 6-hexanediol, 2-ethyl-1,3 hexanediol, N, N bis (2-hydroxypropyl) aniline, 3-methyl-1,5-pentanediol.
- polyamines By way of illustration of such polyamines, mention may be made of ethylene diamine, diphenyl methane diamine, isophorone diamine, hexamethylene diamine, diethyltoluene diamine.
- step (i) of the process according to the invention the composition of alcohols comprising (or) polyol A (1) is reacted with one (or more) diisocyanate B (1) of formula:
- R 1 represents a divalent aliphatic or aromatic hydrocarbon radical comprising 5 to 15 carbon atoms which may be linear, branched or cyclic.
- R 1 is advantageously chosen from one of the following divalent radicals whose formulas below show the two free valences:
- diisocyanate which may be mentioned is the use of a composition consisting of approximately 95% of 2,4-toluene diisocyanate and 5% of 2,6-toluene diisocyanate, these two percentages being expressed indifferently by weight or by mole. acting from 2 isomers.
- Said composition is commercially available under the name SCURANATE® TX from VENCOREX.
- step (i) of the process according to the invention the composition comprising (or) polyol A (1) is reacted with an excess, in terms of equivalent functional group, of the diisocyanate B (1) , of formula (I).
- the amounts of the reagents used in step (i) correspond to an excess of the equivalent number of -NCO groups (present in the amount of diisocyanate) relative to the equivalent number of -OH groups (present in the amount of polyol A (1) ) increased, if appropriate, by the equivalent number of -OH, -NH 2 , and / or -NH- groups present in the diol and / or diamine used as chain extender.
- these amounts correspond to an equivalent ratio -NCO / -OH between 1.3 and 5, and even more preferably close to 1.9.
- Said report is defined as being equal to the equivalent number of -NCO groups divided by the equivalent number of -OH, -NH 2 groups , and / or -NH- with respect to the functional groups carried by the corresponding amounts of the 2 reagents, namely the (or the diisocyanate on the one hand and on the other hand the composition of alcohols comprising the polyol and, where appropriate, a chain extender.
- the weight amounts of the reactants to be loaded into the reactor are determined on the basis of this equivalent ratio, as well as, with respect to the (or) A (1) polyols, on their hydroxyl number IOH.
- the hydroxyl number IOH is the number of hydroxyl functions per gram of polyether polyol A1 or polyester polyol A 2 , said number being expressed in the present text as the equivalent number of milligrams of KOH used in the assay. hydroxyl functions.
- step (i) it is preferred to carry out step (i) in the presence of a catalyst chosen for example from organotin or bismuth / zinc carboxylates, and introducing the appropriate amount of diisocyanate B (1) , in the appropriate amount of polyol A ( l) previously loaded into the reactor.
- a catalyst chosen for example from organotin or bismuth / zinc carboxylates
- diisocyanate B (1) in the appropriate amount of polyol A ( l) previously loaded into the reactor.
- TIBKAT® 223 from the company TIB CHEMICAL.
- a catalyst based on bismuth / zinc carboxylate mention may be made of the catalyst sold under the name BORCHI® KAT VP244 from Borchers GmbH.
- the reaction is carried out at a temperature between 60 and 120 ° C.
- step (i) if, after step (i), a polyurethane-polyether block having -NCO end groups is obtained, said block is reacted in the present step (ii) with an alcohol composition comprising one (or more) polyester polyol A 2 ;
- step (i) if, after step (i), a polyurethane-polyester block with -NCO end groups is obtained, said block is reacted in the present step (ii) with an alcohol composition comprising one (or more) polyether polyol Ai.
- the -NCO end group block that is produced in step (i) is reacted in step (ii) with a stoichiometric excess of the composition comprising the polyol A 1, in terms of equivalent functional group.
- the amounts of reagents used generally correspond to an equivalent ratio -NCO / -OH of between 0.3 and 0.7, and preferably equal to about 0.5, said equivalent ratio being defined as previously in the description specific to step (i).
- the weight amounts of the reactants to be loaded into the reactor are determined on the basis of this ratio, as well as, with respect to the polyol A (II) , on its hydroxyl number IOH.
- step (ii) it is preferred to carry out step (ii) in the presence of a catalyst selected from those usable for step (i), and introducing the appropriate amount of alcohol composition comprising polyol A (II) , in the appropriate amount.
- the -NCO end group block obtained in step (i) pre-charged in the reactor.
- the reaction is carried out at a temperature within a range identical to that of step (i).
- the catalyst used in this step (ii) is that introduced for step (i), and which is present in the final product of step (i), used as a reagent in the step (ii).
- a block polyurethane-polyether and polyurethane-polyester block polyurethane comprising at least 2 terminal blocks ⁇ of the same type, which are either a polyurethane-polyester or a polyurethane-type, is thus obtained.
- polyether (depending on whether the polyol A (II) used in step (ii) is a polyester polyol A 2 or a polyether polyol Ai) said 2 blocks ⁇ ⁇ being directly connected to a terminal group -OH.
- the alcohol composition used in step (i) consists of the polyol A (1) , and / or the alcohol composition used in the step (ii) consists of the polyol A (ll) .
- the polylol A (I) used in step (i) is one (or more) polyether polyol Al
- the polylol A (II) used in step (ii) is one (or more) polyester polyol A 2 .
- the polyurethane-polyether block with end groups -NCO which is then obtained at the end of stage (i) is generally liquid at ambient temperature
- the polyurethane-polyester block with end groups -NCO is generally solid at ambient temperature.
- step (iii) The polyurethane-end group -OH produced in step (ii) is reacted with a stoichiometric excess, in terms of equivalent functional group, of one (or more) aliphatic or aromatic diisocyanate B 1 which corresponds to the same formula (I ) that the previously defined diisocyanate B 1, which may be the same or different from the latter, and preferably is identical.
- the amounts of the reagents used in step (iii) correspond to an excess of the equivalent number of -NCO groups (present in the amount of diisocyanate B (m) ) relative to the equivalent number of -OH groups (present in the amount of end group -OH polyurethane produced in step (ii)).
- the reaction is carried out under the same temperature conditions, and in the presence of the same catalyst as in the preceding steps (i) and (ii).
- the catalyst used is that introduced for step (i), and is therefore present in the reaction medium.
- step (iv) of the process according to the invention the polyurethane-polyether block polyurethane-polyurethane-polyester and end group -NCO, produced in step (iii), is reacted with an aminosilane C derived from a primary or secondary amine, corresponding to the formula:
- R 2 represents a hydrogen atom or a linear, branched or cyclic C1-C7 radical, which may be an alkyl, aliphatic or aromatic radical;
- R 3 represents a linear or branched divalent alkylene radical comprising from 1 to 4 carbon atoms, optionally substituted with a C1-C4 alkyl radical;
- R 4 and R 5 which are identical or different, each represent a linear or branched alkyl radical of 1 to 4 carbon atoms, with the possibility when there are several radicals R 4 (or R 5 ) that they are identical or different; and
- p is an integer equal to 0, 1 or 2.
- - R 2 represents a hydrogen atom or a C1-C4 alkyl radical
- - R 3 represents a propylene radical optionally substituted with a methyl
- R 5 is a methyl
- Aminosilanes of formula (II) are widely available commercially.
- N-ethyl-3-trimethoxysilyl-2-methylpropanamine of formula:
- step (iii) The amounts of aminosilane C on the one hand, and polyurethane-end group -NCO formed in step (iii) on the other hand, which are implemented in the present step (iv) are substantially stoichiometric.
- the amounts of these reactants advantageously correspond to an equivalent ratio -NCO / -NH (or, where appropriate, -NCO / -NH2) which is between 0.90 and 1.4, and is preferably equal to about 1.
- Step (iv) is carried out under the same temperature conditions as the previous steps.
- step (iv) the reaction of the -NH (or, where appropriate, -NH 2 ) group of the aminosilane of formula (II) on each of the 2 -NCO end groups of the polyurethane formed in step (iii) ), leads to the formation of a urea function.
- a poly (urethane-urethane) comprising blocks of polyurethane-polyether and polyurethane-polyester type is obtained, 2 blocks of the same type being each connected to an alkoxysilane terminal group via a urea function.
- the said final poly (urea-urethane) has a number-average molecular weight (Mn) in a range from 10 to 40 kDa, preferably from 15 to 30 kDa, corresponding to a polymolecularity index varying from approximately 2 to 5
- Mn number-average molecular weight
- the number average molecular weights indicated in this text are measured by chromato graphy Steroid exclusion or GPC (for Gel Permeation Chromatography), using polystyrene as a standard.
- the viscosity at 100 ° C. (measured by Brookfield RTV viscometer) of said final polyurethane can vary over a wide range of between 15 and 150 Pa.s.
- the subject of the invention is also a poly (urea-urethane) comprising blocks of polyurethane-polyether and polyurethane-polyester types, two blocks of the same type being each connected to an alkoxy-silane terminal group via a urea function, said poly (urea urethane) being obtainable by the method also object of the invention and as described above.
- the invention also relates to an adhesive composition
- an adhesive composition comprising the polyurea-urethane according to the invention and from 0.01% to 3% by weight of a crosslinking catalyst, preferably from 0.1 to 1% by weight.
- the crosslinking catalyst that may be used in the composition according to the invention may be any catalyst known to those skilled in the art for the silanol condensation. Examples of such catalysts include:
- titanium acetyl acetonate commercially available under the name TYZOR ® AA75 from DuPont
- - organic aluminum compounds such as aluminum chelate (commercially available under the name K-KAT ® 5218 from King Industries), - organic tin compounds such as dibutyltin dilaurate (DBTL or ) or dioctyltin dideodecanoate, which is marketed under the name TIBKAT® 223 as mentioned above,
- amines such as 1,8-diazobicyclo (5.4.0) undecene-7 or DBU.
- UV stabilizers such as amines, antioxidants or up to 50% by weight, preferably up to 30% by weight, of compatible tackifying resins may also be included in the composition according to the invention.
- the antioxidants may include primary antioxidants that scavenge free radicals and are generally substituted phenols like Irganox ® 1010 or P'Irganox ® 245, CIBA.
- the primary antioxidants may be used alone or in combination with other antioxidants such as phosphites like Irgafos ® 168 also from CIBA.
- the term "compatible tackifying resin” is used. a tackifying resin which, when mixed in the proportions 50% / 50% with the polymer according to the invention gives a substantially homogeneous mixture.
- rosin of natural origin or modified such as for example rosin extracted from pine gum, wood rosin extracted from tree roots and their hydrogenated derivatives, dimerized, polymerized or esterified by monoalcohols or polyols, such as glycerol or pentaerythritol;
- terpene resins generally resulting from the polymerization of terpenic hydrocarbons such as for example mono-terpene (or pinene) in the presence of Friedel-Crafts catalysts;
- copolymers based on natural terpenes for example styrene / terpene, alpha-methyl styrene / terpene and vinyl toluene / terpene; or
- Resins (ii) are particularly preferred because of their advantageous compatibility with the poly (urea urethane) according to the invention.
- a resin is for example sold under the name SYLVARES® 525 by the company Arizona Chemicals.
- composition according to the invention may also comprise other (co) polymers chosen for example from:
- APAO amorphous poly-alpha olefms
- APAOR reactive amorphous poly-alpha olefms
- styrenic block copolymers such as Styrene-Isoprene-Styrene (SIS),
- composition according to the invention is preferably, prior to its final use, packaged in an airtight package to protect it from the ambient humidity.
- a package may advantageously consist of aluminum, high density polyethylene or polyethylene coated with aluminum foil.
- a cylindrical cartridge is an embodiment of such a package.
- the invention finally relates to a method for assembling two substrates comprising:
- the maximum open time is the time interval after which a layer of adhesive applied to a substrate loses its ability to bond said substrate to another substrate.
- the maximum open time of the adhesive composition according to the invention is generally between 1 and 4 minutes.
- Suitable substrates are, for example, inorganic substrates such as glass, ceramics, concrete, metals or alloys (such as aluminum, steel, non-ferrous metals, galvanized metals); or organic substrates such as wood, plastics such as PVC, polycarbonate, PMMA, polyethylene, polypropylene, polyesters, epoxy resins; metal substrates and composites coated with paint (as in the field of automobiles).
- inorganic substrates such as glass, ceramics, concrete, metals or alloys (such as aluminum, steel, non-ferrous metals, galvanized metals); or organic substrates such as wood, plastics such as PVC, polycarbonate, PMMA, polyethylene, polypropylene, polyesters, epoxy resins; metal substrates and composites coated with paint (as in the field of automobiles).
- a closed reactor of 250 ml equipped with stirring, heating means, a thermometer and connected to a vacuum pump, are introduced:
- polypropylene glycol ® VORANOL EP 1900 having a hydroxyl number of 28.0 mg KOH / g (corresponding to an equivalent number of -OH function equal to 0.499 mmol / g);
- the whole is heated to 80 ° C. and kept at a reduced pressure of 20 mbar for 1 hour to dehydrate the polypropylene glycol.
- the polyaddition reaction is continued for 1 hour 30 minutes until
- a closed reactor of 250 ml equipped with stirring, heating means, a thermometer and connected to a vacuum pump is introduced 54.7 g of a crystalline polyester diol DYNACOLL® 7360 of molecular mass by number 3500 Da having a hydroxyl number IOH of 30.0 mg KOH per g (corresponding to an equivalent number of -OH function equal to 0.535 mmol / g).
- the assembly is heated to 90 ° C and maintained at a reduced pressure of 20 mbar for 1 hour to dehydrate the polyester diol.
- the reactor is then again brought to atmospheric pressure and maintained under an inert atmosphere for loading 37.33 g of the polyurethane-polyether block titrant obtained in step (i) assaying 0.406 mmol / g in -NCO group.
- step (i) The amounts of the polyester diol and polyurethane-polyether block obtained in step (i) correspond to an equivalent ratio -NCO / -OH equal to 0.5.
- the reactor is then re-purged and the polyaddition reaction is continued for 1 hour at 90 ° C. until complete consumption of the -NCO functions of the polyurethane-polyether block of step (i) (detected by the disappearance of the -NCO band at 2300 cm -1 in Infra-Red spectroscopy).
- polyurethane-polyether polyurethane and polyurethane-polyester block polyurethane are obtained comprising 2 polyurethane-polyester end blocks, each linked to a -OH function, whose content of -OH function is 0.153 mmol / g.
- step (ii) 3.90 g of SCURANATE ® TX toluene diisocyanate are then introduced at 90 ° C. and under a purge of nitrogen into the reactor of step (ii) (48.2% by weight / weight in group -NCO or a number of equivalent function -NCO equal to 11.481 mmol / g).
- the polyaddition reaction is continued for 1 hour at 90 ° C. until 95.93 g of a polyurethane-polyether polyurethane and polyurethane-polyester block polyurethane comprising 2 polyurethane-polyester terminal blocks with -NCO terminations, are obtained. 1.3% w / w in -NCO group is 0.310 mmol / g.
- step (ii) The amounts of polyurethane obtained in step (ii) and diisocyanate used correspond to an equivalent ratio -NCO / -OH equal to 3.2.
- the reactor is then maintained under an inert atmosphere at 90 ° C. for 30 minutes until complete reaction (detected by the disappearance of the -NCO band at 2300 cm -1 in Infra-Red spectroscopy).
- polyurethane-polyether polyurethane and polyurethane-polyester block polyurethane comprising 2 polyurethane-polyester end blocks each linked to an alkoxysilyl end group are obtained.
- the poly (ure-urethane) obtained in the reactor of step iv) is charged with 0.05% by weight of a crosslinking catalyst consisting of dibutyl tin dideodecanoate (available for example from TIB Chemicals).
- a crosslinking catalyst consisting of dibutyl tin dideodecanoate (available for example from TIB Chemicals).
- composition obtained is stirred and under reduced pressure of 20 mbar for 15 minutes before being packaged in an aluminum cartridge to avoid the presence of moisture.
- composition is then subjected to the following tests.
- the principle of the measurement consists in stretching in a tensile machine, whose moving jaw moves at a constant speed equal to 100 mm / minute, a standard specimen consisting of the crosslinked adhesive composition and recording, at the moment when the rupture of the specimen, the tensile stress applied (in MPa) and the elongation of the specimen (in%).
- the standard test piece is dumbbell shaped, as shown in the international standard ISO 37.
- the narrow part of the dumbbell used has a length of 20 mm, a width of 4 mm and a thickness of 500 ⁇ .
- the composition conditioned as described above is heated to 100 ° C., and the amount necessary to form a film having a thickness of 500 ⁇ which is left 2 weeks at 23 ° C. and 55% relative humidity for crosslinking.
- the dumbbell is then obtained by simple cutting in the crosslinked film.
- This test is used to quantify the green strength of the adhesive composition prepared previously.
- composition packaged as previously described is heated to 100 ° C, so as to extrude a bead of 2 mm diameter adhesive having a length of 2 cm which is deposited parallel to the width of one of the 2 boards substantially in the middle of the square zone 2 cm side that is intended to be in contact with the other board.
- the 2 boards are placed in contact and manually pressed so as to form at their contact area (defined as above) a layer of adhesive composition with a thickness of between 200 and 250 ⁇ .
- the solidification time is defined as the time, counted from the completion of the assembly, after which the cohesion reached by the adhesive bonding the two boards no longer allows the above pivoting.
- a poly (urea-urethane) according to the invention is prepared by repeating Example 1A), except that:
- step (ii) the polyester polyol A 2 indicated in Table 1 in an amount by weight corresponding to the equivalent ratio -NCO / -OH indicated in Table i;
- step (iii) the SCURANATE ® TX in an amount by weight corresponding to the equivalent ratio of -NCO / -OH shown in Table 1;
- step (iv) the aminosilane C indicated in Table 1, in an amount by weight corresponding to the equivalent ratio -NCO / -NH 2 indicated in Table 1.
- the weight contents of the reagents introduced during the synthesis are shown in Table 1, expressed on the basis of 100 g of the final poly (ure-urethane) obtained.
- the Brookfield RTV viscosity measurement results measured at 100 ° C are shown in Table 2.
- a poly (urea-urethane) according to the invention is prepared by repeating Example 1A), except that:
- step (i) the ACCLAIM ® 8200 and TX SCURANATE ®, in an amount by weight corresponding to an equivalent ratio NCO / OH of 2.6;
- step (iii) the SCURANATE ® TX in an amount by weight corresponding to the equivalent ratio NCO / OH of 2.79;
- step (iv) Silquest ® A 1110 in an amount by weight corresponding to the equivalent ratio of -NCO / -NH2 1.11.
- the resultant composition obtained is stirred and under reduced pressure of 20 mbar for 15 minutes before being packaged in an aluminum cartridge to avoid the presence of moisture. It is then subjected to the tensile strength and elongation at break measurements, as well as the solidification time, as described in Example 1B).
- Example 1 (A) is repeated except that the poly (OH) -substituted polyurethane-polyether-polyblend polyurethane block polyurethane is reacted with the gamma-isocyanato-n-propyl ether after step (ii). trimethoxysilane (commercial product: Geniosil® GF 40) in an amount corresponding to an equivalent ratio -NCO / -OH equal to 1.14.
- a polyurethane-polyether polyurethane and polyurethane-polyester block polyurethane is thus obtained in accordance with the teaching of patent FR 2969621.
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Polyurethanes Or Polyureas (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1556910A FR3039154B1 (fr) | 2015-07-21 | 2015-07-21 | Poly(uree-urethane) a blocs polyurethane-polyether et polyurethane-polyester et groupe terminal alkoxysilane |
| PCT/FR2016/051851 WO2017013350A1 (fr) | 2015-07-21 | 2016-07-19 | Poly(uree-urethane) a blocs polyurethane-polyether et polyurethane-polyester et groupe terminal alkoxysilane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3325528A1 true EP3325528A1 (fr) | 2018-05-30 |
Family
ID=54291467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16756721.3A Withdrawn EP3325528A1 (fr) | 2015-07-21 | 2016-07-19 | Poly(uree-urethane) a blocs polyurethane-polyether et polyurethane-polyester et groupe terminal alkoxysilane |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20180208813A1 (fr) |
| EP (1) | EP3325528A1 (fr) |
| FR (1) | FR3039154B1 (fr) |
| WO (1) | WO2017013350A1 (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018148231A1 (fr) * | 2017-02-09 | 2018-08-16 | Lubrizol Advanced Materials, Inc. | Composition adhésive thermofusible réactive contenant un polyester-polyuréthane |
| EP3406644A1 (fr) * | 2017-05-23 | 2018-11-28 | Sika Technology Ag | Apprêt à base de solvant à temps de prise long et à adhérence améliorée |
| EP3744748A1 (fr) * | 2019-05-27 | 2020-12-02 | Covestro Deutschland AG | Procédé de production d'un polymère à terminaison silane mélangé |
| CN115246918B (zh) * | 2021-10-26 | 2024-04-26 | 佳化化学科技发展(上海)有限公司 | 一种硅烷改性聚氨酯树脂及其制备方法和用途 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3827464A1 (de) * | 1988-08-12 | 1990-02-22 | Henkel Kgaa | Alkoxysilanterminierte, feuchtigkeitsvernetzende schmelzkleber sowie ihre verwendung als klebe- und dichtmassen |
| CA2214311A1 (fr) * | 1996-09-06 | 1998-03-06 | Air Products And Chemicals, Inc. | Adhesifs thermofusibles contenant des prepolymeres d'isocyanate pauvres en monomeres libres, pauvres en oligomeres |
| DE102004062653A1 (de) * | 2004-12-24 | 2006-07-06 | Bayer Materialscience Ag | Feuchthärtende Zusammensetzung und Schmelzklebstoff |
| US8809479B2 (en) * | 2009-05-01 | 2014-08-19 | Momentive Performance Materials Inc. | Moisture curable silylated polymer compositions containing reactive modifiers |
| FR2969621B1 (fr) * | 2010-12-22 | 2013-01-18 | Bostik Sa | Polyurethane a blocs polyether et polyester et groupe terminal alkoxysilane |
-
2015
- 2015-07-21 FR FR1556910A patent/FR3039154B1/fr not_active Expired - Fee Related
-
2016
- 2016-07-19 US US15/746,076 patent/US20180208813A1/en not_active Abandoned
- 2016-07-19 EP EP16756721.3A patent/EP3325528A1/fr not_active Withdrawn
- 2016-07-19 WO PCT/FR2016/051851 patent/WO2017013350A1/fr not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| FR3039154B1 (fr) | 2019-07-05 |
| WO2017013350A1 (fr) | 2017-01-26 |
| US20180208813A1 (en) | 2018-07-26 |
| FR3039154A1 (fr) | 2017-01-27 |
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