WO2015193208A2 - Vernetzungskatalysator mit siloxan-struktureinheiten - Google Patents
Vernetzungskatalysator mit siloxan-struktureinheiten Download PDFInfo
- Publication number
- WO2015193208A2 WO2015193208A2 PCT/EP2015/063253 EP2015063253W WO2015193208A2 WO 2015193208 A2 WO2015193208 A2 WO 2015193208A2 EP 2015063253 W EP2015063253 W EP 2015063253W WO 2015193208 A2 WO2015193208 A2 WO 2015193208A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- radical
- atoms
- catalyst
- silane
- formula
- Prior art date
Links
- 239000003054 catalyst Substances 0.000 title claims abstract description 152
- 238000004132 cross linking Methods 0.000 title claims abstract description 30
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 title claims description 3
- -1 siloxane residue Chemical group 0.000 claims abstract description 207
- 239000000203 mixture Substances 0.000 claims abstract description 167
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical group [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims abstract description 73
- ZRALSGWEFCBTJO-UHFFFAOYSA-N guanidine group Chemical group NC(=N)N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 claims abstract description 51
- 150000001409 amidines Chemical group 0.000 claims abstract description 40
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 19
- 229920001296 polysiloxane Polymers 0.000 claims description 66
- 125000004432 carbon atom Chemical group C* 0.000 claims description 64
- 229920000642 polymer Polymers 0.000 claims description 42
- 238000000576 coating method Methods 0.000 claims description 23
- YZCKVEUIGOORGS-IGMARMGPSA-N Protium Chemical compound [1H] YZCKVEUIGOORGS-IGMARMGPSA-N 0.000 claims description 22
- 150000001718 carbodiimides Chemical class 0.000 claims description 22
- 239000004215 Carbon black (E152) Substances 0.000 claims description 21
- 125000000217 alkyl group Chemical group 0.000 claims description 21
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- 125000005842 heteroatom Chemical group 0.000 claims description 11
- 150000002905 orthoesters Chemical class 0.000 claims description 10
- 239000000565 sealant Substances 0.000 claims description 10
- 125000004103 aminoalkyl group Chemical group 0.000 claims description 8
- 229910002808 Si–O–Si Inorganic materials 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 150000002825 nitriles Chemical class 0.000 claims description 6
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 6
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 6
- 125000000467 secondary amino group Chemical group [H]N([*:1])[*:2] 0.000 claims description 4
- 239000007788 liquid Substances 0.000 abstract description 12
- 238000013508 migration Methods 0.000 abstract description 9
- 230000005012 migration Effects 0.000 abstract description 9
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- 238000000926 separation method Methods 0.000 abstract description 7
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- 230000008020 evaporation Effects 0.000 abstract description 2
- 150000003254 radicals Chemical class 0.000 description 56
- 150000001412 amines Chemical class 0.000 description 43
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- 238000006243 chemical reaction Methods 0.000 description 35
- 229920004482 WACKER® Polymers 0.000 description 32
- 229920000570 polyether Polymers 0.000 description 31
- 229910052757 nitrogen Inorganic materials 0.000 description 26
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- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 15
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- 238000000034 method Methods 0.000 description 14
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 13
- SJECZPVISLOESU-UHFFFAOYSA-N 3-trimethoxysilylpropan-1-amine Chemical compound CO[Si](OC)(OC)CCCN SJECZPVISLOESU-UHFFFAOYSA-N 0.000 description 12
- 238000001723 curing Methods 0.000 description 12
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- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 description 11
- 239000000126 substance Substances 0.000 description 11
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- 238000003756 stirring Methods 0.000 description 10
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- ZVFDTKUVRCTHQE-UHFFFAOYSA-N Diisodecyl phthalate Chemical compound CC(C)CCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC(C)C ZVFDTKUVRCTHQE-UHFFFAOYSA-N 0.000 description 8
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 8
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- FWDBOZPQNFPOLF-UHFFFAOYSA-N ethenyl(triethoxy)silane Chemical compound CCO[Si](OCC)(OCC)C=C FWDBOZPQNFPOLF-UHFFFAOYSA-N 0.000 description 6
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 6
- PHQOGHDTIVQXHL-UHFFFAOYSA-N n'-(3-trimethoxysilylpropyl)ethane-1,2-diamine Chemical compound CO[Si](OC)(OC)CCCNCCN PHQOGHDTIVQXHL-UHFFFAOYSA-N 0.000 description 6
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- 102100028899 Spermatid nuclear transition protein 1 Human genes 0.000 description 5
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 5
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- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 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 1
- 150000003918 triazines Chemical class 0.000 description 1
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
- JCVQKRGIASEUKR-UHFFFAOYSA-N triethoxy(phenyl)silane Chemical compound CCO[Si](OCC)(OCC)C1=CC=CC=C1 JCVQKRGIASEUKR-UHFFFAOYSA-N 0.000 description 1
- JXUKBNICSRJFAP-UHFFFAOYSA-N triethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CCO[Si](OCC)(OCC)CCCOCC1CO1 JXUKBNICSRJFAP-UHFFFAOYSA-N 0.000 description 1
- GKASDNZWUGIAMG-UHFFFAOYSA-N triethyl orthoformate Chemical compound CCOC(OCC)OCC GKASDNZWUGIAMG-UHFFFAOYSA-N 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- IMNIMPAHZVJRPE-UHFFFAOYSA-N triethylenediamine Chemical compound C1CN2CCN1CC2 IMNIMPAHZVJRPE-UHFFFAOYSA-N 0.000 description 1
- 125000000725 trifluoropropyl group Chemical group [H]C([H])(*)C([H])([H])C(F)(F)F 0.000 description 1
- RKBCYCFRFCNLTO-UHFFFAOYSA-N triisopropylamine Chemical compound CC(C)N(C(C)C)C(C)C RKBCYCFRFCNLTO-UHFFFAOYSA-N 0.000 description 1
- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- ASLWPAWFJZFCKF-UHFFFAOYSA-N tris(1,3-dichloropropan-2-yl) phosphate Chemical compound ClCC(CCl)OP(=O)(OC(CCl)CCl)OC(CCl)CCl ASLWPAWFJZFCKF-UHFFFAOYSA-N 0.000 description 1
- HQUQLFOMPYWACS-UHFFFAOYSA-N tris(2-chloroethyl) phosphate Chemical compound ClCCOP(=O)(OCCCl)OCCCl HQUQLFOMPYWACS-UHFFFAOYSA-N 0.000 description 1
- XKCQNWLQCXDVOP-UHFFFAOYSA-N tris(2-chloropropan-2-yl) phosphate Chemical compound CC(C)(Cl)OP(=O)(OC(C)(C)Cl)OC(C)(C)Cl XKCQNWLQCXDVOP-UHFFFAOYSA-N 0.000 description 1
- LIPMRGQQBZJCTM-UHFFFAOYSA-N tris(2-propan-2-ylphenyl) phosphate Chemical class CC(C)C1=CC=CC=C1OP(=O)(OC=1C(=CC=CC=1)C(C)C)OC1=CC=CC=C1C(C)C LIPMRGQQBZJCTM-UHFFFAOYSA-N 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N urea group Chemical group NC(=O)N XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- VNTDZUDTQCZFKN-UHFFFAOYSA-L zinc 2,2-dimethyloctanoate Chemical compound [Zn++].CCCCCCC(C)(C)C([O-])=O.CCCCCCC(C)(C)C([O-])=O VNTDZUDTQCZFKN-UHFFFAOYSA-L 0.000 description 1
- 239000004246 zinc acetate Substances 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- CITILBVTAYEWKR-UHFFFAOYSA-L zinc trifluoromethanesulfonate Chemical compound [Zn+2].[O-]S(=O)(=O)C(F)(F)F.[O-]S(=O)(=O)C(F)(F)F CITILBVTAYEWKR-UHFFFAOYSA-L 0.000 description 1
- NHXVNEDMKGDNPR-UHFFFAOYSA-N zinc;pentane-2,4-dione Chemical compound [Zn+2].CC(=O)[CH-]C(C)=O.CC(=O)[CH-]C(C)=O NHXVNEDMKGDNPR-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- GBNDTYKAOXLLID-UHFFFAOYSA-N zirconium(4+) ion Chemical compound [Zr+4] GBNDTYKAOXLLID-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/1858—Catalysts containing secondary or tertiary amines or salts thereof having carbon-to-nitrogen double bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
- B01J31/0235—Nitrogen containing compounds
- B01J31/0245—Nitrogen containing compounds being derivatives of carboxylic or carbonic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
- B01J31/0235—Nitrogen containing compounds
- B01J31/0245—Nitrogen containing compounds being derivatives of carboxylic or carbonic acids
- B01J31/0247—Imides, amides or imidates (R-C=NR(OR))
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
- B01J31/0235—Nitrogen containing compounds
- B01J31/0245—Nitrogen containing compounds being derivatives of carboxylic or carbonic acids
- B01J31/0251—Guanidides (R2N-C(=NR)-NR2)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0272—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing elements other than those covered by B01J31/0201 - B01J31/0255
- B01J31/0274—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing elements other than those covered by B01J31/0201 - B01J31/0255 containing silicon
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F7/00—Compounds containing elements of Groups 4 or 14 of the Periodic Table
- C07F7/02—Silicon compounds
- C07F7/08—Compounds having one or more C—Si linkages
- C07F7/18—Compounds having one or more C—Si linkages as well as one or more C—O—Si linkages
- C07F7/1804—Compounds having Si-O-C linkages
-
- 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
- C08G18/18—Catalysts containing secondary or tertiary amines or salts thereof
- C08G18/1841—Catalysts containing secondary or tertiary amines or salts thereof having carbonyl groups which may be linked to one or more nitrogen or oxygen atoms
-
- 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
- C08G18/70—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
- C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
- C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
- C08G18/752—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group
- C08G18/753—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group
- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
-
- 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
- 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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
- C08G77/08—Preparatory processes characterised by the catalysts used
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/38—Polysiloxanes modified by chemical after-treatment
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2231/00—Catalytic reactions performed with catalysts classified in B01J31/00
- B01J2231/10—Polymerisation reactions involving at least dual use catalysts, e.g. for both oligomerisation and polymerisation
- B01J2231/14—Other (co) polymerisation, e.g. of lactides or epoxides
Definitions
- the invention relates to catalysts for curable compositions, in particular for silane-containing compositions.
- Curable compositions play an important role in many technical applications, for example as adhesives, sealants or coatings. Their curing is effected by crosslinking reactions which proceed via free or latent reactive groups such as isocyanate groups, epoxide groups, hydroxyl groups, amino groups or silane groups, which react after mixing, by heating or by contact with moisture with themselves or with each other and so in the Covalently connect the composition contained in the composition to a polymeric network. Catalysts are often used to accelerate such crosslinking reactions. Very often these are toxicologically questionable substances which pose a potential hazard to the processor and the environment, in particular after the composition has cured, when the catalyst or its degradation products are released by outgassing, migration or leaching.
- free or latent reactive groups such as isocyanate groups, epoxide groups, hydroxyl groups, amino groups or silane groups
- Silane-group-containing polymers are in particular polyorganosiloxanes, which are commonly referred to as “silicone polymers” or “silicones” or “silicone rubbers”, and silane-containing organic polymers, which are also known as “silane-functional polymers", “silane-modified polymers (SMP) or “silane-terminated polymers” (STP).
- SMP silane-modified polymers
- STP silane-terminated polymers
- Their crosslinking proceeds via the condensation of silanol groups with the formation of siloxane bonds and is conventionally catalyzed by means of organotin compounds, in particular dialkyltin (IV) carboxylates.
- organotin compounds have been described as alternative metal catalysts.
- organotitanates, zirconates and aluminates have been described as alternative metal catalysts.
- these usually have a lower catalytic activity with respect to the silanol condensation and cause significantly slower crosslinking. Because of their lack of hydrolytic stability they can lose a large part of their activity when storing the composition by residual moisture content of the ingredients, whereby the curing slowed down greatly or comes to a standstill.
- organotin compounds are strongly basic nitrogen compounds from the class of amidines and guanidines, which can be used in combination with the mentioned metal catalysts or alone.
- many of the common amidine and guanidine catalysts in particular 1, 8-diazabicyclo [5.4.0] undec-7-ene (DBU) and 1,1,3,3-tetramethylguanidine (TMG)
- DBU 1, 8-diazabicyclo [5.4.0] undec-7-ene
- TMG 1,1,3,3-tetramethylguanidine
- DBU 1, 8-diazabicyclo [5.4.0] undec-7-ene
- TMG 1,1,3,3-tetramethylguanidine
- the described use of aromatic, solid at room amidines and guanidines remedy this, but requires the use of suitable solvents and brings about losses in the catalytic activity and thus the crosslinking rate.
- a catalyst for the crosslinking of curable compositions in particular silane groups.
- the catalyst should have a low vapor pressure and high compatibility with the composition, so that it tends neither to separation or migration nor evaporation, should be as odorless and low in toxicity and should be liquid at room temperature, so it is also used without solvent can be.
- a catalyst according to claim 1 In contrast to many known from the prior art amidine or guanidine catalysts, it is odorless and liquid at room temperature. It has a very low vapor pressure and shows a very high catalytic activity with good selectivity, especially in silane-containing compositions. This is particularly surprising, since one would expect a reduced activity compared to small and therefore more mobile amidines or guanidines due to its relatively high molecular weight. With these properties, the catalyst according to claim 1 is excellently suited for use in curable compositions, in particular silane group-containing compositions where, as the sole catalyst or in combination with other catalysts, it enables rapid curing to a mechanically high-quality and durable material, without the shelf life of the uncured composition.
- the invention provides a catalyst comprising at least one amidine or guanidine group of the formula (Ia) or (Ib) which is bonded to a silicon atom of a siloxane radical
- L represents a linear or branched divalent hydrocarbon radical having 1 to 20 C atoms, which optionally has one or more nitrogen atoms,
- R 1 and R ° are each independently a hydrogen radical or an alkyl or cycloalkyl or aralkyl radical having 1 to 8 carbon atoms
- R 2 is a hydrogen radical or an alkyl, cycloalkyl or Aralkyl radical having 1 to 18 C atoms, which optionally contains heteroatoms and which optionally has terminal primary or secondary amino groups, is,
- R 3 is -NHR 5 or a hydrogen radical or an alkyl, cycloalkyl or aralkyl radical having 1 to 12 C atoms,
- R 5 represents a hydrogen radical or an alkyl, cycloalkyl or aralkyl radical having 1 to 18 C atoms, which optionally contains heteroatoms,
- R 1 can also be together with R 2 an alkylene radical having 2 to 6 C atoms,
- R ° can also stand together with R 2 for an alkylene radical having 3 to 6 C atoms, which optionally contains heteroatoms, R 2 can also stand together with R 3 for an alkylene radical having 3 to 6 C atoms and
- R 2 can also be together with R 5 is an alkylene radical having 2 to 12 carbon atoms.
- SNoxan radical denotes a radical containing at least one siloxane bond Si-O-Si.
- Siloxane amine refers to an amine whose amino groups are bonded via an organic radical to a silicon atom of a siloxane radical.
- polysiloxanamine is meant an amine whose amino groups are bonded via an organic radical to a silicon atom of a polysiloxane radical.
- silane group refers to a silyl group attached to an organic radical or to a polysiloxane radical having one to three, in particular two or three, hydrolyzable substituents on the silicon atom Particularly suitable hydrolyzable substituents are alkoxy radicals "Alkoxysilane groups”. Silane groups may also be present in partially or completely hydrolyzed form.
- hydroxysilane denotes organoalkoxysilanes which have one or more hydroxyl, isocyanato, amino or mercapto groups on the organic radical in addition to the silane group.
- organic polymer encompasses a collective of chemically uniform, but different in terms of degree of polymerization, molecular weight and chain length macromolecules, which was prepared by a polyreaction (polymerization, polyaddition, polycondensation) and having a majority of carbon atoms in the polymer backbone, and reaction products of such a group of macromolecules.
- nosiloxane backbones commonly referred to as "SNicones” are not organic polymers within the meaning of this document.
- SNa-group-containing polyether also encompasses silane-group-containing organic polymers which may contain urethane groups, urea groups or thiourethane groups in addition to polyether units become.
- molecular weight is meant in this document the molar mass (in grams per mole) of a molecule or part of a molecule, also referred to as “residue”.
- average molecular weight is meant the number average M n of an oligomeric or polymeric mixture of molecules or residues, which is usually determined by gel permeation chromatography (GPC) against polystyrene as a standard.
- a substance or composition is defined as “shelf-stable” or “storable” if it can be stored at room temperature in a suitable container for a prolonged period of time, typically at least 3 months to 6 months or more, without being absorbed their application or service properties, in particular the viscosity and the rate of crosslinking, changed by the storage in a relevant for their use to the extent.
- a dashed line in the formulas in this document in each case represents the bond between a substituent and the associated molecular residue.
- Room temperature refers to a temperature of about 23 ° C.
- the catalyst according to the invention can also be present in tautomeric form of the catalyst according to the invention are considered equivalent in the context of the present invention.
- the catalyst according to the invention can be present in protonated form.
- the catalyst according to the invention can be present in complexed form, in particular with cations of zinc, iron or molybdenum. If the catalyst according to the invention has alkoxysilane groups, this may also be present in partially or completely hydrolyzed form and thus contain silanol groups.
- the catalyst preferably has 1 to 20, in particular 1 to 10, amidine or guanidine groups of the formula (Ia) or (Ib).
- the siloxane radical to which the amidine or guanidine groups of the formula (Ia) or (Ib) are bonded is preferably a polysiloxane radical.
- a catalyst is particularly well tolerated in curable compositions, especially those based on silicone polymers.
- Such a polysiloxane radical can contain one or more aminoalkyl groups which are bonded directly to a silicon atom via a C atom.
- the siloxane radical to which the amidine or guanidine groups of the formula (Ia) or (Ib) are bonded is preferably a polysiloxane radical having an average molecular weight in the range from 206 to 50 ⁇ 00 g / mol, in particular 280 to 25 ⁇ 00 g / mol, more preferably 354 to 15 ⁇ 00 g / mol.
- a catalyst having such a polysiloxane residue is typically liquid at room temperature, has a low vapor pressure, is particularly well tolerated in curable compositions based on silicone polymers and has a particularly low tendency to separate or migrate.
- the polysiloxane radical has 3 to 700 silicon atoms.
- the polysiloxane radical particularly preferably has 4 to 350, in particular 5 to 200, silicon atoms.
- a catalyst having such a polysiloxane residue is typically liquid at room temperature, has low vapor pressure, is particularly well tolerated in silicone polymer curable compositions, and is particularly prone to segregation or migration.
- the polysiloxane radical is linear.
- a catalyst having a linear polysiloxane radical is particularly low in viscosity.
- the preferred embodiments of the catalyst according to the invention can be prepared simply from commercially available raw materials and have particularly good properties with regard to the catalytic activity and compatibility in curable compositions, in particular silane-group-containing compositions.
- the siloxane radical to which the amidine or guanidine groups of the formula (Ia) or (Ib) are bonded is a polysiloxane radical A 1 which contains at least one structural unit of the formula
- R 6 is a monovalent hydrocarbon radical having 1 to 12 carbon atoms
- R 7 is a monovalent hydrocarbon radical having 1 to 4 carbon atoms.
- R 6 is preferably a monovalent hydrocarbon radical having 1 to 6 C atoms, in particular methyl or vinyl or phenyl, particularly preferably methyl or vinyl, in particular vinyl.
- R 7 is methyl or ethyl or isopropyl, in particular methyl or ethyl.
- the polysiloxane radical A 1 may in particular contain one or more aminoalkyl groups which are bonded directly to a silicon atom via a C atom.
- the polysiloxane radical A 1 preferably has an average molecular weight in the range from 206 to 10 ⁇ 00 g / mol, in particular from 280 to 5 ⁇ 00 g / mol.
- the polysiloxane radical A 1 may be linear or mono- or polysubstituted and / or contain cyclic moieties.
- the polysiloxane radical A 1 is branched.
- amidine or guanidine groups of the formula (Ia) or (Ib) are preferably bonded to the polysiloxane radical A 1 .
- a catalyst according to the invention having a polysiloxane radical A 1 has advantageous properties. It is easy to prepare from commercially available starting materials, has a high catalytic activity and can be covalently bound in compositions containing additional silane-containing polymers when cured with moisture. On contact with moisture, it can also be crosslinked by itself via existing silane groups to form a solid material of high hardness and excellent adhesion properties.
- the siloxane radical to which the amidine or guanidine groups of the formula (Ia) or (Ib) are bonded is a polysiloxane radical A 2 of the formula (II)
- p is an integer in the range from 1 to 60, preferably 2 to 20, in particular 4 to 12,
- R 7 has the meanings already mentioned
- R 8 is a monovalent hydrocarbon radical having 1 to 12 carbon atoms.
- R 8 is preferably a monovalent hydrocarbon radical having 1 to 6 C atoms, particularly preferably methyl or phenyl, in particular methyl.
- a polysiloxane radical A 2 preferably has an average molecular weight in the range from 270 to 5 ⁇ 00 g / mol, preferably 344 to 3 ⁇ 00 g / mol, in particular 418 to 2 ⁇ 00 g / mol
- a catalyst according to the invention having a polysiloxane radical A 2 has advantageous properties. It is easy to prepare from commercially available starting materials, has a very low viscosity and a high catalytic activity and can be used in compositions containing silane. Group-containing polymers are covalently bound when cured with moisture. On contact with moisture, it can also be crosslinked on its own via existing silane groups to give a very hydrophobic, solid material with very good adhesion properties.
- the siloxane radical to which the amidine or guanidine groups of the formula (Ia) or (Ib) are bonded is a polysiloxane radical A 3 of the formula III),
- n is an integer in the range of 2 to 700
- R 8 has the meanings already mentioned
- Z is an amidine or guanidine group of the formula (Ia) or (Ib) or an aminoalkyl group or a radical R 9 , where R 9 is a monovalent alkyl or alkoxy radical having 1 to 6 C atoms.
- a catalyst according to the invention having a polysiloxane radical A 3 thus has 1 or 2 amidine or guanidine groups of the formula (Ia) or (Ib).
- n is an integer in the range of 5 to 350, in particular 10 to 200.
- Z is preferably an amidine or guanidine group of the formula (Ia) or (Ib).
- the polysiloxane radical A 3 preferably has an average molecular weight in the range from 206 to 50 ⁇ 00 g / mol, preferably 280 to 25 ⁇ 00 g / mol, in particular 354 to 15 ⁇ 00 g / mol
- a catalyst according to the invention having a polysiloxane radical A 3 has advantageous properties. It is easy to prepare from commercially available starting materials, has a surprisingly low viscosity and a high catalytic activity and excellent compatibility in curable compositions, especially those based on silicone polymers.
- the siloxane radical to which the amidine or guanidine groups of the formula (Ia) or (Ib) are bonded is a polysiloxane radical A 4 of the formula (IV)
- b is an integer in the range of 1 to 700
- r stands for an integer from 1 to 20 and
- R 8 and R 9 have the meanings already mentioned
- structural units with the index (b-r) and the structural units with the index r in the siloxane chain can be arranged blockwise, alternately or randomly.
- B is preferably an integer in the range from 2 to 350, in particular 5 to 200.
- r is an integer from 1 to 10.
- the polysiloxane radical A 4 preferably has an average molecular weight in the range from 221 to 50 ⁇ 00 g / mol, preferably 295 to 25 ⁇ 00 g / mol, in particular 354 to 15 ⁇ 00 g / mol.
- a catalyst having a polysiloxane radical A 4 has, in particular, r amidine or guanidine groups of the formula (Ia) or (Ib).
- a catalyst according to the invention having a polysiloxane radical A 4 has advantageous properties. It is easy to prepare from commercially available starting materials, has a surprisingly low viscosity and a high catalytic activity and excellent compatibility in curable compositions, especially those based on silicone polymers.
- the catalyst according to the invention contains at least one amidine or guanidine group of the formula (Ia) or (Ib) which is bonded to a silicon atom of a siloxane radical.
- L is preferably a linear or branched, bivalent hydrocarbon radical having 1 to 6 C atoms, which optionally has a nitrogen atom.
- L is a radical selected from methylene, 1, 3-propylene, 2-methyl-1, 3-propylene, 1, 4-butylene, 2,2-dimethyl-2,4-butylene and 3-aza - 1, 6-hexylene. These radicals are numbered starting from the nitrogen atom to which the radical L is bound.
- R 1 and R ° are each independently of one another in each case a hydrogen radical or an alkyl radical having 1 to 4 C atoms, in particular a hydrogen radical.
- R 2 preferably represents a hydrogen radical or an alkyl, cycloalkyl or aralkyl radical having 1 to 12 C atoms, in particular 1 to 8 C atoms, which optionally contains heteroatoms.
- R 3 is preferably -NHR 5 or a hydrogen radical or an alkyl, cycloalkyl or aralkyl radical having 1 to 8 C atoms.
- R 3 is particularly preferably -NHR 5 .
- R 5 preferably represents a hydrogen radical or an alkyl, cycloalkyl or aralkyl radical having 1 to 12 C atoms, which optionally contains an oxygen atom or a nitrogen atom.
- R 1 and R 2 together are preferably an alkylene radical having 2 to 4 C atoms, in particular 2 or 3 C atoms.
- R 2 and R ° together are preferably an alkylene radical having 4 to 6 C atoms, which optionally contains heteroatoms.
- R 2 and R 3 together are preferably an alkylene radical having 3 to 5 C atoms.
- R 2 and R 5 are preferably an alkylene radical having 2 to 4 C atoms.
- R 3 is a hydrogen radical or an alkyl, cycloalkyl or aralkyl radical having 1 to 12, preferably 1 to 8, in particular 1 to 4, C atoms, or R 2 and R 3 together represent an alkylene radical having 3 to 6, in particular 3 to 5, carbon atoms.
- These catalysts have amidine groups of the formula (Ia) or (Ib).
- Such a catalyst containing amidine groups has the advantage over a corresponding guanidine group-containing catalyst that it has a not so high catalytic activity and can therefore be used in a slightly higher amount, whereby it is less susceptible to interferences by other constituents in the catalyst Composition, in particular the impurities contained therein.
- R 3 is preferably a hydrogen radical or methyl, in particular methyl.
- R 1 is preferably a hydrogen radical or together with R 2 is 1,2-ethylene or 1,3-propylene.
- R 2 is preferably hexyl, cyclohexyl, benzyl, 2-ethylhexyl, octyl, decyl, dodecyl or 2-methoxyethyl, or together with R 1 is 1,2-ethylene or 1,3 propylene.
- R 1 and R 2 together are in particular 1, 2-ethylene.
- L is in particular 1, 3-propylene.
- the preferred embodiments of the amide-containing catalysts are distinguished by good catalytic activity and excellent compatibility in curable compositions.
- catalyst R 3 is -NHR 5 .
- These catalysts have guanidine groups. They are characterized by an even higher catalytic activity and excellent compatibility in curable compositions compared to the amidine-containing catalysts.
- Novel catalysts with guanidine groups are preferred over those with amidine groups.
- R 2 and R 5 each independently of one another are each an alkyl, cycloalkyl or aralkyl radical having 1 to 18 C atoms, which optionally contains heteroatoms, and
- R 1 is preferably a hydrogen radical.
- guanidine-containing catalysts have guanidine groups of the formula (V), where L, R 2 and R 5 have the meanings already mentioned.
- Catalysts according to the invention with guanidine groups of the formula (V) are particularly easy to prepare and have a particularly high catalytic activity.
- R 2 and R 5 in the formula (V) are particularly preferably each independently ethyl, isopropyl, tert-butyl, 3- (dimethylamino) propyl or cyclohexyl, especially in each case isopropyl or cyclohexyl, most preferably in each case for cyclohexyl ,
- These catalysts are particularly accessible.
- Particularly preferred catalysts contain at least one guanidine group of the formula (V) which is attached to a silicon atom of a siloxane radical selected from the polysiloxane radical A 1 , the polysiloxane radical A 2 , the polysiloxane radical A 3 and the polysiloxane radical A 4 , as previously described, is bound. Of these, preferred is the polysiloxane radical A 1 .
- These catalysts have a particularly high concentration of guanidine groups of the formula (V) and are thus catalytically very active in a comparatively low amount.
- a preferred catalyst has the formula (VI)
- a 1 is a polysiloxane radical which contains at least one structural unit
- y is an integer from 1 to 20, in particular 1 to 10,
- R 2 , R 5 , R 6 and R 7 have the meanings mentioned.
- Another preferred catalyst has the formula (VII)
- a cata- sator of formula (VII) may additionally parts of the following formula
- Another preferred catalyst has the formula (VIII) or the formula (IX)
- R 2 , R 5 , R 8 , R 9 , L and n have the meanings mentioned.
- Another preferred catalyst has the formula (X),
- a catalyst according to the invention is obtained in particular by reacting at least one siloxane amine with at least one reagent for introducing an amidine or guanidine group selected from the group consisting of orthoesters, 1,3-ketoesters, 1,3-ketoamides, nitriles, imides acid esters, imidic acid chlorides, amides, lactams, cyanamide, carbodiimides, ureas, O-alkylisoureas, thioureas, S-alkylisothioureas, aminoiminomethanesulfonic acids, guanylpyrazoles and guanidines.
- an amidine or guanidine group selected from the group consisting of orthoesters, 1,3-ketoesters, 1,3-ketoamides, nitriles, imides acid esters, imidic acid chlorides, amides, lactams, cyanamide, carbodiimides, ureas, O-alkylisour
- orthoesters 1,3-ketoesters, 1,3-ketamidides, nitriles, imidic acid esters, imidic acid chlorides, amides and lactams are suitable, in particular orthoesters, 1,3-ketoesters and nitriles.
- R 3 is a hydrogen radical or an alkyl, cycloalkyl or aralkyl radical having 1 to 12 C atoms, at least one siloxane amine with at least one orthoester or at least a 1,3-ketoester or at least one nitrile. This produces a catalyst containing amides.
- Preferred orthoesters are orthoformates, orthoacetates, orthopropionates, orthobutyrates or orthovalerates, in particular trimethyl orthoformate, triethyl orthoformate, trimethyl orthoacetate or triethyl orthoacetate.
- Preferred 1,3-keto esters are methyl acetoacetate, ethyl acetoacetate, isopropyl acetoacetate or tert-butyl acetoacetate, especially ethyl acetoacetate.
- Preferred nitriles are acetonitrile, propionitrile, butyronitrile, isobutyronitrile, valeronitrile or capronitrile, in particular acetonitrile.
- a catalyst comprising amidine groups is preferably obtained by the reaction of at least one siloxane amine with at least one orthoester of the formula R 3 -C (OR a ) 3 and optionally at least one monoamine of the formula R 2 -NH-R °, in particular R 2 -NH 2 , releasing alcohol R a OH, where R 3 is in particular a hydrogen radical or a methyl radical and R a is an alkyl radical having 1 to 4 C atoms.
- This reaction is preferred at elevated temperature, especially at 40 to 160 ° C and more preferably at 60 to 140 ° C, and elevated pressure in
- a catalyst containing amidine groups is furthermore preferably obtained by the reaction of at least one siloxane amine and optionally at least one monoamine of the formula R 2 -NH-R °, in particular R 2 -NH 2 , with at least one 1, 3-ketoester of the formula R 3 - C (O) CH 2 C (O) OR a , where R 3 is in particular a methyl radical and R a is an alkyl radical having 1 to 4 C atoms.
- This reaction is preferably carried out at a temperature of 20 to 100 ° C, in particular 40 to 80 ° C, wherein the liberated ester CH 3 C (O) OR a is preferably removed by distillation.
- a catalyst in particular an acid, preferably a sulfonic acid.
- Preferred monoamines are n-hexylamine, cyclohexylamine, benzylamine, 2-ethylhexylamine, n-octylamine, n-decylamine, laurylamine or 2-methoxyethylamine.
- the implementation can take place in one or more stages.
- the reaction product from this process is preferably used without work-up and / or purification as the catalyst, with the exception of the distillative removal of volatile compounds, if appropriate under reduced pressure.
- the use of, for example, siloxane diamines typically produces mixtures which, in addition to the desired catalyst, contain oligomeric by-products with a plurality of amidine groups.
- the reaction is then preferably carried out in such a way that at least 2 mol of siloxanediamine are used per mole of orthoester or 1,3-ketoester in order to minimize by-product formation.
- the catalysts obtained contain aminoalkyl groups.
- the reaction preferably takes place in such a way that at least 2 mol of orthoester or 1,3-ketoester and at least 2 mol of monoamine are used per mole of siloxane diamine.
- the reaction is preferably carried out such that each such aminoalkylamino group is approximately 1 mol of orthoester or 1, 3-ketoester is used.
- a catalyst containing at least one amidine group is obtained in which R 1 and R 2 together are 1, 2-ethylene or 1, 3-propylene.
- an amido group-containing structural unit in the form of a reaction product of orthoacetate and a structural unit having an N- (2-aminoethyl) -3-aminoprop-1-yl group is exemplified.
- Cyanamides, carbodiimides, ureas, O-alkylisoureas, thioureas, S-alkylisothioureas, aminoimino-methanesulfonic acids, guanylpyrazoles or guanidines are suitable for introducing guanidine groups. Preference is given to cyanamides or carbodiimides.
- the reaction of the Siloxanamins with the carbodiimide is preferably carried out at elevated temperature, in particular at 40 to 160 ° C and particularly preferably at 60 to 140 ° C.
- the reaction can be carried out completely without the use of VOC solvents.
- a catalyst may be used, especially an acid such as e.g. a carboxylic acid or carbonic acid, or a Lewis acid such as e.g. Boron trifluoride etherate, aluminum chloride, aluminum acetylacetonate, iron (III) chloride, lithium perchlorate, zinc chloride, zinc acetate, zinc neodecanoate, zinc acetylacetonate, zinc triflate or lanthanum triflate.
- an acid such as e.g. a carboxylic acid or carbonic acid
- a Lewis acid such as e.g. Boron trifluoride etherate, aluminum chloride, aluminum acetylacetonate, iron (III) chloride, lithium perch
- the implementation can take place in one or more stages.
- preference is given to using so much carbodiimide that at most one mol of carbodiimide is present per equivalent of guanidine group to be formed.
- the carbodiimide is used stoichiometrically with respect to the primary amino groups of the siloxane amine.
- the catalyst obtained is substantially free of primary amino groups.
- reaction product from this process is preferably used without work-up and / or purification.
- Suitable carbodiimides are typically aliphatic, cycloaliphatic or arylaliphatic carbodiimides, in particular simple, commercially available aliphatic and cycloaliphatic carbodiimides, preferably N, N'-diisopropylpodiimide (DIC), N, N'-di-tert-butylcarbodiimide, N, N '-Dicyclohexylcarbodiimide (DCC) or N-ethyl-N' - (3-dimethylaminopropyl) carbodiimide (EDC), more preferably ⁇ , ⁇ '-diisopropylcarbodiimide (DIC) or N, N'-dicyclohexylcarbodiimide (DCC), especially DCC.
- DIC N'-diisopropylpodiimide
- DCC N, N'-Dicyclohexylcarbodiimide
- EDC N-ethy
- Siloxane amines suitable for the preparation of the catalysts described contain at least one amino group of the formula 1-NHR 1 which is bonded to a silicon atom of a siloxane radical.
- L and R 1 have the meanings mentioned.
- the siloxane amine is a polysiloxane amine.
- a polysiloxane amine which has a polysiloxane radical A 1 , as described above, but instead of the amidine or guanidine group, an at least primary or secondary amino group, in particular at least one primary amino group, via a hydrocarbon radical L is bonded directly to the dialkoxy-substituted silicon atom.
- Suitable thalkoxyaminosilanes are, in particular, 3-aminopropyltrinnethoxysilane, N- (2-aminoethyl) -3-aminopropyltrinnethoxysilane, 3-amino-2-methylpropyltrimethoxysilane, 4-aminobutyltrinnethoxysilane or 4-amino-3,3-dimethylbutyltrimethoxysilane, or the like
- Analogs with ethoxy instead of the methoxy groups on silicon in particular 3-aminopropyltrimethoxysilane, 3-aminopropyltriethoxysilane, N- (2-aminoethyl) -3-aminopropyltrimethoxysilane or N- (2-aminoeth
- Suitable amine-free trialkoxyorganosilanes are in particular trimethoxymethylsilane, triethoxymethylsilane, trimethoxyvinylsilane or triethoxyvinylsilane.
- polysiloxane amine from the co-condensation of N- (2-aminoethyl) -3-aminopropyltrimethoxysilane with trimethoxyvinylsilane.
- a polysiloxane amine of the formula (XI) is preferred,
- polysiloxane amines are typically condensation products of tri- alkoxyaminosilanes with hydroxy-terminated silicone oils.
- Suitable thalkoxyaminosilanes are those already mentioned, in particular 3-aminopropyltrimethoxysilane, 3-aminopropyltriethoxysilane, N- (2-aminoethyl) -3-aminopropyltrimethoxysilane or N- (2-aminoethyl) -3-aminopropyltriethoxysilane.
- Suitable hydroxy-terminated silicone oils are in particular hydroxy-terminated polydimethylsiloxanes, polymethylphenylsiloxanes or polydiphenylsiloxanes. Particularly suitable are hydroxy-terminated polydimethylsiloxanes from the hydrolysis of hexamethyltrisiloxane and / or octamethyltetrasiloxane.
- a particularly preferred polysiloxane amine of formula (XI) corresponds to the following formula
- n, L, R and R have the meanings already mentioned.
- These polysiloxamine amines are especially aminoalkyl-terminated silicone oils.
- polysiloxane amines are especially silicone oils with aminoalkyl groups in the side chains.
- Suitable Polysiloxanamine are commercially available, for example as Dynasylan ® 1146 (from Evonik), Silquest ® Y15744 (from Momentive), X-40-2651 (Shin-Etsu), Z-6184 silanes (Dow Corning), Silaplane FM ® -331 1, Silaplane FM-3322 ®, ® Silaplane FM-3325 (all manufactured by Chisso), Wacker ® amine oil SLM 92502, Wacker ® amine oil SLM 92503, Wacker ® amine oil SLM 92507, Wacker ® Amin oil SLM 44601 1 -20 VP Wacker ® amine oil SLM 44601 1 -50 VP Wacker ® L 653, Wacker ® L 655, Wacker ® L 656, Wacker ® FINISH WR 1100, Wacker ® FINISH WT 1650 (all ex Wacker) or as Reactive Silicone Fluids KF-393, KF-857, K
- aminopropylated polysiloxamines as obtainable by reacting commercially available polysiloxamine with acrylonitrile and subsequent hydrogenation.
- siloxane amine for the preparation of a catalyst according to the invention is preferably selected from the group consisting of
- this process for preparing a catalyst according to the invention is prepared in situ in the presence of a polymer containing silane groups.
- the siloxane amine and the reagent for introducing an amidine or guanidine group are mixed with a silane-containing polymer and reacted at a temperature in the range from 40 to 120 ° C.
- such an in-situ reaction can also be carried out in the presence of further ingredients, as are typical of compositions based on silane-group-containing polymers. In an in-situ production of the catalyst, this only arises with a certain time delay, which can be an advantage in practice.
- Particularly preferred is the in situ process for the preparation of a guanidine-containing catalyst from the reaction of a Siloxanamins with a carbodiimide.
- the catalyst according to the invention can be used in particular for accelerating the crosslinking of curable compositions.
- suitable curable compositions are epoxy resin compositions, in particular heat-curing systems crosslinking via dicyandiamide or carboxylic acids or carboxylic anhydrides, such as are used, for example, in adhesives, coatings and casting resins; Polyurethane compositions, in particular two-component, by reaction of polyols with isocyanates crosslinking systems, such as those used for adhesives, coatings, potting compounds, sealing joints, moldings or block foams, as well as one-component systems with blocked isocyanate groups or blocked amino groups, such as those in powder coatings, Coil coatings, electrodeposition paints and liquid coatings are used; Epoxy-polyurethane hybrid systems; Cyanate resin compositions; and silane group-containing compositions.
- silane-containing compositions which cure quickly even at a relatively low concentration of the inventive catalyst and do not tend to migration-related errors such as separation, exudation or substrate contamination.
- the invention also relates to the use of a catalyst according to the invention in a curable composition, in particular a silane-containing composition, as crosslinking catalyst.
- a curable composition in particular a silane-containing composition, as crosslinking catalyst.
- the curable composition is in particular an adhesive, a sealant or a coating.
- Another object of the invention is a curable composition containing at least one inventive catalyst, as described above.
- Such a composition additionally contains, in particular, at least one epoxy resin or at least one polyisocyanate or at least one blocked isocyanate or at least one cyanoester resin or at least one silane-group-containing polymer.
- the curable composition preferably comprises at least one silane-group-containing polymer.
- the silane-group-containing polymer is preferably selected from the group consisting of polysiloxanes having terminal silane groups and silane group-containing organic polymers.
- a silane-terminated polyorganosiloxane has the advantage that in the cured state it is particularly resistant to water and light and allows particularly soft elastic properties.
- a silane-containing organic polymer has the advantage that it has particularly good adhesion properties on a variety of substrates and is particularly cost-effective.
- the silane group-containing polymer in a preferred embodiment is a silane-terminated polysiloxane, hereinafter referred to as "reactive silicone polymer", which preferably has the formula (XV),
- X is a hydroxyl radical or an alkoxy, acetoxy, ketoximato, amido or enoxy radical having 1 to 13 C atoms;
- a 0, 1 or 2;
- n is an integer in the range of 50 to about 2,500.
- R is preferably methyl, vinyl or phenyl.
- R 'and R are each, independently of one another, each an alkyl radical having 1 to 5, preferably 1 to 3, C atoms, in particular methyl.
- X preferably represents a hydroxyl radical or an alkoxy or ketoxymato radical having 1 to 6 C atoms, in particular a hydroxyl, methoxy, ethoxy, methyl ethyl ketoximato or methyl isobutyl ketoximato radical.
- X is particularly preferably a hydroxyl radical.
- a is preferably 0 or 1, in particular 0.
- m is preferably selected so that the reactive silicone polymer of the formula (XV) has a viscosity at room temperature in the range from 100 to 500 ⁇ 00 mPa ⁇ s, in particular from 1000 to 100 ⁇ 00 mPa ⁇ s.
- Such reactive silicone polymers are easy to handle and crosslink with moisture and / or Silanvernetzern to solid silicone polymers with elastic properties.
- Suitable commercially available reactive silicone polymers are available, for example, from Wacker, Momentive Performance Material, GE Advanced Materials, Dow Corning, Bayer or Shin Etsu.
- the curable composition preferably comprises a silane crosslinker, in particular a silane of the formula (XVI),
- R '" is a monovalent hydrocarbon radical having 1 to 12 C atoms
- X' is a hydroxyl radical or an alkoxy, acetoxy, Ketoximato, amido or enoxy radical having 1 to 13 C. Atoms stands;
- t is a value of 0, 1 or 2, in particular 0 or 1, stands.
- silanes of the formula (XVI) are methyltrimethoxysilane, ethyltrimethoxysilane, propytrimethoxysilane, vinyltrimethoxysilane, methyltriethoxysilane, vinyltriethoxysilane, phenyltriethoxysilane, tetramethoxysilane, tetraethoxysilane, methyltris (methylethylketoximo) silane, vinyltris (methylethylketoximo) silane and methyltris (isobutylketoximo) silane.
- the silane-group-containing polymer is a silane-containing organic polymer, in particular a polyolefin, polyester, polyamide, poly (meth) acrylate or polyether or a mixed form of these polymers which in each case has one or preferably several silane groups wearing.
- the silane groups can be laterally in the chain or terminal.
- the silane-group-containing organic polymer is particularly preferably a silane-containing polyolefin or a silane-containing polyester or a silane-containing poly (meth) acrylate or a silane-containing polyether or a mixed form of these polymers. Most preferred is a silane group-containing polyether.
- Preferred silane groups on the organic polymer are alkoxysilane groups, in particular end groups of the formula (XVII),
- R 10 is a linear or branched, monovalent hydrocarbon radical having 1 to 5 C atoms, in particular methyl or ethyl or for
- R 11 is a linear or branched, monovalent hydrocarbon radical having 1 to 8 C atoms, in particular methyl or ethyl; and x is 0 or 1 or 2, preferably 0 or 1, especially 0.
- R 10 is particularly preferably methyl or ethyl.
- trimethoxysilane groups dimethoxymethylsilane groups or triethoxysilane groups.
- methoxysilane groups have the advantage that they are particularly reactive
- ethoxysilane groups have the advantage that they are toxicologically advantageous and particularly stable on storage.
- the silane group-containing organic polymer has on average preferably 1 .3 to 4, in particular 1 .5 to 3, particularly preferably 1 .7 to 2.8 silane groups per molecule.
- the silane groups are preferably terminal.
- the silane-group-containing organic polymer preferably has an average molecular weight, determined by means of GPC over polystyrene standard, in the range from 1000 to 30 ⁇ 00 g / mol, in particular from 2000 to 20 ⁇ 00 g / mol.
- the silane group-containing organic polymer preferably has a silane-equivalent weight of 300 to 25 ⁇ 00 g / Eq, in particular from 500 to 15 ⁇ 00 g / Eq, on.
- the silane group-containing organic polymer may be solid or liquid at room temperature. It is preferably liquid at room temperature.
- the silane-group-containing organic polymer is most preferably a silane-containing polyether which is liquid at room temperature, the silane groups being in particular dialkoxysilane groups and / or trialkoxysilane groups, more preferably trimethoxysilane groups or triethoxy-silane groups.
- Methods for the preparation of silane-containing polyethers are known in the art.
- silane-containing polyethers are obtainable from the reaction of allyl-containing polyethers with hydrosilanes, optionally with chain extension with, for example, diisocyanates.
- silane-containing polyethers are obtainable from the copolymerization of alkylene oxides and epoxysilanes, optionally with chain extension with, for example, diisocyanates.
- silane-containing polyethers are obtainable from the reaction of polyether polyols with isocyanatosilanes, optionally with chain extension with diisocyanates.
- silane-containing polyethers are obtainable from the reaction of isocyanate-containing polyethers, in particular NCO-terminated urethane polyethers, from the reaction of polyether polyols with a superstoichiometric amount of polyisocyanates, with amino silanes, hydroxysilanes or mercaptosilanes.
- Silane-group-containing polyethers from this process are particularly preferred. This process allows the use of a variety of commercially available, inexpensive starting materials, thus obtaining different polymer properties can be, for example, a high ductility, a high strength, a low elastic modulus, a low glass transition point or a high weather resistance.
- the silane-group-containing polyether is particularly preferably obtainable from the reaction of NCO-terminated urethane polyethers with aminosilanes or hydroxysilanes.
- Suitable NCO-terminated urethane polyethers are obtainable from the reaction of polyether polyols, in particular polyoxyalkylene diols or polyoxyalkylene triols, preferably polyoxypropylene diols or polyoxypropylene triols, with a superstoichiometric amount of polyisocyanates, especially diisocyanates.
- the reaction between the polyisocyanate and the polyether polyol is carried out with exclusion of moisture at a temperature of 50 ° C to 160 ° C, optionally in the presence of suitable catalysts, wherein the polyisocyanate is metered so that its isocyanate groups in relation to the hydroxyl groups of the polyol are present in the stoichiometric excess.
- the excess of polyisocyanate is chosen so that in the resulting urethane polyether after the reaction of all hydroxyl groups, a content of free isocyanate groups of 0.1 to 5% by weight, preferably 0.2 to 4% by weight, particularly preferably 0.3 to 3% by weight, based on the total polymer remains.
- HDI 1,6-hexamethylene diisocyanate
- IPDI 1-isocyanato-3,3,5-trimethyl-5-isocyanatomethylcyclohexane
- TDI 6-Toluylendiiso- cyanate and any mixtures of these isomers
- MDI 4,4'-, 2,4'- and 2,2'- diphenylmethane diisocyanate
- Particularly suitable polyether polyols are polyoxyalkylenediols or polyoxyalkylenetriols having a degree of unsaturation lower than 0.02 meq / g, in particular lower than 0.01 meq / g, and an average molecular weight in the range from 400 to 25,000 g / mol, in particular from 1,000 to 20,000 g / mol.
- polyether polyols it is also possible proportionally to use other polyols, in particular polyacrylate polyols, and low molecular weight diols or triols.
- Suitable aminosilanes for the reaction with an NCO-terminated urethane polyether are primary and secondary aminosilanes. Preference is given to 3-aminopropyltrimethoxysilane, 3-aminopropyldimethoxymethylsilane, 4-aminobutyltrimethoxysilane, 4-amino-3-methylbutyltrimethoxysilane, 4-amino-3,3-dimethylbutyltrimethoxysilane, N-butyl-3-aminopropyltrimethoxysilane, N-phenyl-3- aminopropyltrimethoxysilane, adducts of primary aminosilanes such as 3-aminopropyltrimethoxysilane, 3-aminopropyldimethoxymethylsilane or N- (2-aminoethyl) -3-aminopropyltrimethoxysilane and Michael acceptors such as acrylonitrile, (meth)
- Suitable hydroxysilanes for the reaction with an NCO-terminated urethane polyether are obtainable in particular from the addition of aminosilanes to lactones or to cyclic carbonates or to lactides.
- aminosilanes are 3-aminopropyltrimethoxysilane, 3-aminopropyltriethoxysilane, 4-aminobutyltrimethoxysilane, 4-aminobutyltriethoxysilane, 4-amino-3-methylbutyltrimethoxysilane, 4-amino-3-methyl - butyl-triethoxysilane, 4-amino-3,3-dimethylbutyl-trimethoxysilane, 4-amino-3,3-dimethylbutyl-triethoxysilane, 2-aminoethyl-trimethoxysilane or 2-aminoethyl-triethoxysilane.
- 3-aminopropyltrimethoxysilane 3-aminopropyltriethoxysilane, 4-amino-3,3-dimethylbutyltrimethoxysilane or 4-amino-3,3-dimethylbutyltriethoxysilane.
- Suitable lactones are, in particular, ⁇ -valerolactone, ⁇ -octalactone, ⁇ -decalactone, and ⁇ -decalactone, in particular ⁇ -valerolactone.
- Particularly suitable cyclic carbonates are 4,5-dimethyl-1,3-dioxolan-2-one, 4,4-dimethyl-1,3-dioxolan-2-one, 4-ethyl-1,3-dioxolan-2 on, 4-methyl-1,3-dioxolan-2-one or 4- (phenoxymethyl) -1,3-dioxolan-2-one.
- lactides are 1,4-dioxane-2,5-dione (lactide from 2-hydroxyacetic acid, also called “glycolide”), 3,6-dimethyl-1,4-dioxane-2,5-dione ( Lactide from lactic acid, also called “lactide”) and 3,6-diphenyl-1,4-dioxane-2,5-dione (lactic acid from mandelic acid).
- Preferred hydroxysilanes obtained in this way are N- (3-triethoxysilylpropyl) -2-hydroxypropanamide, N- (3-trimethoxysilylpropyl) -2-hydroxypropanamide, N- (3-triethoxysilylpropyl) -4-hydroxypentanamide, N - (3-triethoxysilylpropyl) -4-hydroxyoctanamide, N- (3-triethoxysilylpropyl) -5-hydroxy-decanamide or N- (3-thethoxysilylpropyl) -2-hydroxypropylcarbamate.
- suitable hydroxysilanes are also obtainable from the addition of aminosilanes to epoxides or from the addition of amines to epoxysilanes.
- Preferred hydroxysilanes obtained in this manner are 2-morpholino-4 (5) - (2-trimethoxysilylethyl) cyclohexan-1-ol, 2-morpholino-4 (5) - (2-triethoxysilylethyl) cyclohexan-1-ol or 1-morpholino-3- (3- (triethoxysilyl) propoxy) propan-2-ol.
- silane-group-containing polyethers are products which can be obtained commercially, in particular the following: MS Polymer TM (from Kaneka Corp .; in particular the types S203H, S303H, S227, S810, MA903 and S943); MS Polymer TM or Silyl TM (from Kaneka Corp., especially the types SAT010, SAT030, SAT200, SAX350, SAX400, SAX725, MAX450, MAX951); Excestar ® (Asahi Glass Co.
- MS Polymer TM from Kaneka Corp .; in particular the types S203H, S303H, S227, S810, MA903 and S943
- MS Polymer TM or Silyl TM from Kaneka Corp., especially the types SAT010, SAT030, SAT200, SAX350, SAX400, SAX725, MAX450, MAX951
- Excestar ® Asahi Glass Co.
- Particularly preferred end groups of the formula (XVII) are end groups of the formula (XVIII) R11)
- R 12 is a linear or branched divalent hydrocarbon radical having 1 to 12 C atoms, which optionally has cyclic and / or aromatic moieties and optionally one or more heteroatoms, in particular one or more nitrogen atoms;
- Y is a divalent radical selected from -O-, -S-, -N (R 13 ) -,
- R 13 is a hydrogen radical or a linear or branched hydrocarbon radical having 1 to 20 C atoms, which optionally has cyclic moieties, and which optionally has one
- R 12 is 1, 3-propylene or 1, 4-butylene, butylene may be substituted with one or two methyl groups.
- R 12 is particularly preferably 1,3-propylene.
- the catalyst according to the invention is preferably present in a silane-group-containing composition in an amount such that the weight ratio between the silane-containing polymer and the catalyst is at least 10/1, preferably at least 20/1.
- the catalyst according to the invention is furthermore preferably present in a silane-containing composition in an amount such that the weight ratio between the silane-containing polymer and the catalyst is at most 5 ⁇ 00 / 1, preferably at most 2 ⁇ 00 / 1, in particular at most 1 ⁇ 00 / 1.
- the weight ratio between the silane-group-containing polymer and the catalyst according to the invention is preferably in the range from 10/1 to 2 ⁇ 00 / 1, in particular 10/1 to 1 ⁇ 00 / 1.
- the curable composition may comprise further catalysts, in particular for the crosslinking of silane groups.
- Particularly suitable as further catalysts are metal catalysts and / or basic nitrogen or phosphorus compounds.
- Possible metal catalysts are, in particular, compounds of tin, titanium, zirconium, aluminum or zinc, in particular diorganotin (IV) compounds, in particular dibutyltin (IV) diacetate, dibutyltin (IV) dilaurate, dibutyltin (IV) dineodecanoate or Dibutyltin (IV) bis (acetylacetonate) and dioctyltin (IV) dilaurate, and titanium (IV) - or zirconium (IV) - or aluminum (III) - or zinc (II) complexes with in particular alkoxy, carboxylate , 1, 3-diketonate, 1, 3-ketoesterate or 1, 3-ketoamidate ligands.
- diorganotin (IV) compounds in particular dibutyltin (IV) diacetate, dibutyltin (IV) dilaurate, dibutyltin (IV) dineodecanoate or Dibuty
- Possible basic nitrogen or phosphorus compounds are, in particular, imidazoles, pyridines, phosphazene bases or, preferably, amines, hexahydropriazines or biguanides, and also amidines or guanidines which do not correspond to the catalyst according to the invention.
- Particularly suitable amines are alkyl, cycloalkyl or aralkylamines such as triethylamine, triisopropylamine, 1-butylamine, 2-butylamine, tert-butylamine, 3-methyl-1-butylamine, 3-methyl-2-butylamine, dibutylamine, tributylamine, hexyl amine, dihexylamine, cyclohexylamine, dicyclohexylamine, dimethylcyclohexylamine, benzylamine, dibenzylamine, dimethylbenzylamine, octylamine, 2-ethylhexylamine, di- (2-ethylhexyl) amine, laurylamine, ⁇ , ⁇ -dimethyl-laurylamine, stea- rylamine, ⁇ , ⁇ -dimethylstearylamine; fatty amines derived from natural fatty acid mixtures, in particular cocoalky
- aminosilanes in particular 3-aminopropyltrimethoxysilane, 3-aminopropyldimethoxymethylsilane, N- (2-aminoethyl) -3-aminopropyltrimethoxysilane, N- (2-aminoethyl) -3-aminopropylmethyldimethoxysilane, N- (2-aminoethyl) -N'- [3- (trimethoxysilyl) propyl] ethylene diamine or its analogues with ethoxy instead of the methoxy groups on the silicon.
- triazines are 1,3,5-hexahydrotriazine or 1,3,5-tris (3- (dimethylamino) propyl) hexahydrotriazine.
- Suitable biguanides are, in particular, biguanide, 1-butylbiguanide, 1,1-dimethylbiguanide, 1-butylbiguanide, 1-phenylbiguanide or 1- (o-tolyl) biguanide (OTBG).
- Suitable amidines which do not correspond to the catalyst according to the invention are in particular 1, 8-diazabicyclo [5.4.0] undec-7-ene (DBU), 1, 5-diazabicyclo [4.3.0] non-5-ene (DBN), 6-dibutylamino-1,8-diazabicyclo [5.4.0] undec-7-ene, 6-dibutylamino-1,8-diazabicyclo [5.4.0] undec-7-ene, N, N'-di-n -hexyl-acetamidine (DHA), 2-methyl-1, 4,5,6-tetrahydropyrimidine, 1, 2-dimethyl-1, 4,5,6-tetrahydropyrimidine, 2,5,5-trimethyl-1, 4, 5,6-tetrahydropyrimidine, N- (3-trimethoxysilylpropyl) -4,5-dihydroimidazole or N- (3-triethoxysilylpropyl) -4,5-di
- Suitable guanidines which do not correspond to the catalyst according to the invention are, in particular, 1-butylguanidine, 1, 1-dimethylguanidine, 1, 3-dimethylguanidine, 1, 1, 3,3-tetramethylguanidine (TMG), 2- (3-trimethoxysilyl) propyl) -1,3,3-tetramethylguanidine, 2- (3- (methyldimethoxysilyl) propyl) -1, 1, 3,3- tetramethylguanidine, 2- (3- (triethoxysilyl) propyl) -1,3,3-tetramethylguanidine, 1, 5,7-triazabicyclo [4.4.0] dec-5-ene (TBD), 7-methyl-1, 5,7-triazabicyclo [4.4.0] - dec-5-ene, 7-cyclohexyl-1, 5,7-triazabicyclo [4.4.0] dec-5-ene, 1-phenylguanidine, 1 - (o -tolyl)
- the curable composition as co-catalyst may contain an acid, in particular a carboxylic acid.
- an acid in particular a carboxylic acid.
- aliphatic carboxylic acids such as formic acid, lauric acid, stearic acid, isostearic acid, oleic acid, 2-ethyl-2,5-dimethylcaproic acid, 2-ethylhexanoic acid, neodecanoic acid, fatty acid mixtures from the saponification of natural fats and oils or di- and polycarboxylic acids, in particular poly ( meth) acrylic acids.
- the curable composition in a preferred embodiment is substantially free of organotin compounds.
- Organotin-free compositions are beneficial in terms of health and environmental protection.
- the tin content of the curable composition is less than 0.1% by weight, in particular less than 0.05% by weight.
- the curable composition additionally contains at least one organotitanate in addition to the catalyst according to the invention.
- a combination of catalyst according to the invention and organotitanate has a particularly high catalytic activity. This allows rapid curing of such a composition with a relatively small amount of catalyst used.
- organotitanates are titanium (IV) complex compounds.
- Preferred organotitanates are in particular selected from
- Titanium (IV) complex compounds with two 1,3-diketonate ligands, in particular 2,4-pentanedionate ( acetylacetonate), and two alkoxide ligands;
- Titanium (IV) complex compounds with one or more aminoalcoholate ligands in particular triethanolamine or 2- ((2-aminoethyl) amino) ethanol, and one or more alcoholate ligands; Titanium (IV) complex compounds with four alcoholate ligands;
- Titanium (IV) tetrabutoxide also referred to as polybutyl titanate
- Very particularly suitable organo selected from bis (ethyl acetoacetate) diisobutoxy-titanium (IV) (commercially available for example as Tyzor ® Ibay of Dorf Ketal) (bis (ethyl acetoacetate) diisopropoxy-titanium (IV) is commercially available for example as Tyzor ® DC from Ketal village), bis (acetylacetonato) diisopropoxy-titanium (IV), bis (acetylacetonato) diisobutoxy-titanium (IV), tris (oxyethyl) -amine-isopropoxy-titanium (IV), bis [tris (oxyethyl) amine ] diisopropoxy-titanium (IV), bis (2-ethylhexane-1,3-dioxy) -titanium (IV), tris [2- ((2-aminoethyl) -amino) -ethoxy] -e
- Tyzor ® AA GBA, GBO, AA-75, AA-65, AA-105, DC, BEAT, BTP, TE, TnBT, KTM, TOT, TPT or Ibay are (all of Dorf Ketal) ; Tytan PBT, TET, X85, TAA, ET, S2, S4 or S6 (all from Borica Company Ltd.) and Ken-React ® KR TTS ®, 7, 9QS, 12, 26S, 33DS, 38S, 39DS, 44, 134S , 138S, 133DS, 158FS or LICA 44 ® (all from Kenrich Petrochemicals).
- the weight ratio between a silane-containing polymer and the catalyst according to the invention is preferably in the range from 10/1 to 2 ⁇ 00 / 1, in particular from 20/1 to 2 ⁇ 00 / 1.
- the weight ratio between the organotitanate and the catalyst according to the invention is preferably in the range from 5/1 to 1/50, more preferably 2/1 to 1/20, in particular 1/1 to 1/10.
- the curable composition may contain, in addition to the catalyst according to the invention, further constituents, in particular the following auxiliaries and additives: Adhesion promoters and / or crosslinkers, in particular aminosilanes, in particular 3-aminopropyltrimethoxysilane, 3-aminopropyldimethoxymethylsilane, N- (2-aminoethyl) -3-aminopropyltrinnethoxysilane, N- (2-aminoethyl) -3-aminopropyldimethoxymethylsilane, N- (2-aminoethyl ) -N '- [3- (triethoxysilyl) propyl] ethylenediamine or its analogues with ethoxy instead of methoxy groups, furthermore N-phenyl-, N-cyclohexyl- or N-alkylaminosilanes, mercaptosilanes, epoxysilanes, (meth)
- 3-aminopropyltrimethoxysilane 3-aminopropyltriethoxysilane, N- (2-aminoethyl) -3-aminopropyltrimethoxysilane, N- (2-aminoethyl) -3-aminopropyltriethoxysilane, 3-glycidoxypropyltrimethoxysilane, 3-glycidoxypropyltriethoxysilane or 3-ureidopropyltrimethoxysilane, or oligomeric forms of these silanes;
- Desiccants in particular tetraethoxysilane, vinyltrimethoxysilane, vinyltriethoxysilane or organoalkoxysilanes which have a functional group in the ⁇ -position to the silane group, in particular N- (methyldimethoxysilylmethyl) -O-methylcarbamate, (methacryloxymethyl) silanes, methoxymethylsilanes, orthoformic esters , Calcium oxide or molecular sieves, in particular vinyltrimethoxysilane or vinyltriethoxysilane;
- Plasticizers in particular trialkylsilyl-terminated polydialkylsiloxanes, in particular trimethylsilyl-terminated polydimethylsiloxanes, in particular having viscosities in the range from 10 to 10000 Pas, or corresponding compounds in which some of the methyl groups are replaced by other organic groups, in particular phenyl, vinyl or trifluoropropyl groups, so-called reactive plasticizers in the form of monofunctional, ie unilaterally reactive, polysiloxanes, carboxylic acid esters such as phthalates, especially dioctyl phthalate, bis (2-ethylhexyl) phthalate, bis (3-propylheptyl) phthalate, diisononyl phthalate or diisodecyl phthalate, diesters of ortho-cyclohexanedicarboxylic acid, in particular diisononyl -1, 2-cyclohexanedicarboxylate, adipates, in particular dioc
- inorganic or organic fillers in particular natural, ground or precipitated calcium carbonates, which are optionally coated with fatty acids, in particular stearic acid, barite, talc, quartz flour, quartz sand, dolomites, wollastonites, kaolins, calcined kaolins, mica (potassium Aluminum silicate), molecular sieves, aluminum oxides, aluminum hydroxides, magnesium hydroxide, silicic acids including highly dispersed silicas from pyrolysis processes, industrially produced carbon blacks, graphite, metal powders such as aluminum, copper, iron, silver or steel, PVC powder or hollow spheres;
- fatty acids in particular stearic acid, barite, talc, quartz flour, quartz sand, dolomites, wollastonites, kaolins, calcined kaolins, mica (potassium Aluminum silicate), molecular sieves, aluminum oxides, aluminum hydroxides, magnesium hydroxide, silicic acids including highly dispersed
- Fibers in particular glass fibers, carbon fibers, metal fibers, ceramic fibers or plastic fibers such as polyamide fibers or polyethylene fibers;
- Pigments in particular titanium dioxide or iron oxides
- Rheology modifiers in particular thickeners, in particular
- Phyllosilicates such as bentonites, derivatives of castor oil, hydrogenated castor oil, polyamides, polyurethanes, urea compounds, fumed silicas, cellulose ethers or hydrophobically modified polyoxyethylenes;
- non-reactive polymers in particular homopolymers or copolymers of unsaturated monomers, in particular from the group comprising ethylene,
- PE polyethylenes
- PP polypropylenes
- EVA Ethylene vinyl acetate copolymers
- Flame retardant substances in particular the already mentioned fillers aluminum hydroxide and magnesium hydroxide, or in particular organic phosphoric acid esters, in particular triethyl phosphate, tricresyl phosphate, triphenyl phosphate, diphenyl cresyl phosphate, isodecyldiphenyl phosphate, tris (1,3-dichloro-2-propyl) phosphate, Tris (2-chloroethyl) phosphate, tris (2-ethylhexyl) phosphate, tris (chloroisopropyl) phosphate, tris (chloropropyl) - phosphate, isopropylated triphenyl phosphate, mono-, bis- or tris (isopropylphenyl) phosphates of different isopropylation degree, resorcinol bis (diphenyl phosphate), bisphenol A bis (diphenyl phosphate) or ammonium polyphosphates
- Biocides in particular algicides, fungicides or fungal growth inhibiting substances;
- curable compositions substances may be useful to chemically or physically dry certain ingredients before mixing into the composition.
- the curable composition contains at least one drying agent and at least one adhesion promoter and / or crosslinker.
- the curable composition does not contain phthalates as a plasticizer.
- Such compositions are toxicologically advantageous and have fewer problems with migration effects.
- the curable composition is preferably made and stored in the absence of moisture. Typically, it is storage stable in a suitable package or assembly, such as, in particular, a bottle, can, pouch, bucket, keg, or cartridge, excluding moisture.
- a suitable package or assembly such as, in particular, a bottle, can, pouch, bucket, keg, or cartridge, excluding moisture.
- the curable composition may be in the form of a one-component or in the form of a multi-component, in particular two-component, composition.
- one-component in the present document is meant a composition in which all constituents of the composition are stored mixed in the same container and which is curable with moisture.
- two-component is referred to in this document a composition in which the components of the composition in two different components are present, which are stored in separate containers. Only shortly before or during the application of the composition, the two components are mixed together, whereupon the mixed composition cures, optionally under the action of moisture.
- the curable composition is suitable for a variety of uses, in particular as a paint, lacquer or primer, as a resin for the production of fiber composite (composite), as hard foam, flexible foam, molded part, elastomer, fiber, film or membrane, as potting compound, sealant , Adhesive, coating, coating or coating for building and industrial applications, for example as seam sealing, cavity sealing, electrical insulation compound, filler, joint sealant, welding or flanging sealant, assembly adhesive, car body adhesive, pane adhesive, sandwich element adhesive, laminating adhesive, laminate adhesive, packaging adhesive , Wood adhesive, parquet adhesive, anchoring adhesive, floor covering, floor coating, balcony coating, roof coating, concrete protection coating, parking garage coating, sealing, pipe coating, anti-corrosion coating, textile coating, damping element, sealing element or filler.
- a paint, lacquer or primer as a resin for the production of fiber composite (composite), as hard foam, flexible foam, molded part, elastomer, fiber, film or membrane, as potting compound
- the curable composition is particularly suitable as an adhesive and / or sealant, in particular for joint sealing and elastic adhesive bonds in construction and industrial applications, and as an elastic coating with crack-bridging properties, in particular for protecting and / or sealing, for example, roofs, floors, Baikonons, parking decks or concrete tubes.
- a composition typically contains plasticizers, fillers, adhesion promoters and / or crosslinkers and drying agents and optionally further auxiliaries and additives.
- the curable composition preferably has a pasty consistency with pseudoplastic properties.
- a paste-like sealant or adhesive is applied in particular from commercially available cartridges, which are operated manually, by means of compressed air or battery, or from a drum or hobbock by means of a feed pump or an extruder, optionally by means of an application robot, to a substrate.
- the curable composition preferably has a liquid at room temperature consistency with self-leveling properties. If necessary, it is slightly thixotropic, so that the coating can be applied to sloping to vertical surfaces, without immediately flowing away. It is in particular applied by means of a roller or brush or by pouring and distributing by means of, for example, a roller, a scraper or a dental trowel.
- a cured composition is obtained after it has hardened. Curing takes place in particular with water, in particular in the form of atmospheric moisture, and / or with a suitable crosslinker.
- the use of the curable composition results in an article which has been particularly adhesively bonded, sealed or coated with the composition.
- the article is in particular a building, in particular a building of civil engineering, an industrially manufactured good or a consumer good, in particular a window, a household machine or a means of transport such as in particular an automobile, a bus, a truck, a Rail vehicle, a ship, an airplane or a helicopter; or the article may be an attachment thereof.
- a preferred curable composition contains at least one silane group-containing polymer. Such a composition is also referred to below as a "silane-crosslinking composition".
- the proportion of silane-group-containing polymer in a silane-crosslinking composition is usually from 10 to 80% by weight, in particular from 15 to 60% by weight, preferably from 15 to 50% by weight, based on the total weight of the composition.
- the silane-crosslinking composition contains a reactive silicone polymer
- a one-component composition also referred to as RTV-1
- a two-component composition also referred to as RTV-2
- the reactive silicone polymer is preferably a constituent of the first component
- a silane crosslinker especially a silane of the formula (XVI)
- XVI silane of the formula (XVI)
- the catalyst according to the invention can be present in the first and / or in the second component.
- the silane-crosslinking composition contains a silane-containing organic polymer
- the composition is preferably one-component.
- a second or optionally further components is or are mixed with the first component before or during the application, in particular via a static mixer or via a dynamic mixer.
- a silane-crosslinking composition is applied in particular to ambient heat, preferably in a temperature range between 0 and 45 ° C., in particular 5 to 35 ° C., and cures even under these conditions.
- the crosslinking reaction of the silane groups begins, optionally under the influence of moisture.
- Existing silane groups can condense with existing silanol groups to form siloxane groups (Si-O-Si groups).
- Existing silane groups can also hydrolyze on contact with moisture to form silanol groups (Si-OH groups) and form siloxane groups (Si-O-Si groups) by subsequent condensation reactions. As a result of these reactions, the composition eventually cures.
- the catalyst according to the invention accelerates this curing.
- water may either come from the air (humidity) or the composition may be contacted with a water-containing component, for example by brushing, for example with a smoothing agent, or by spraying, or it may be added to the composition in the application of water or a water-containing component, for example in the form of a water-containing or water-releasing liquid or paste.
- a paste is particularly suitable in the event that the composition itself is in the form of a paste.
- the composition When cured by atmospheric moisture, the composition cures from the outside in, initially forming a skin on the surface of the composition.
- the so-called skinning time is a measure of the cure rate of the composition.
- the rate of cure is generally determined by various factors, such as the availability of water, temperature, etc.
- the silane-crosslinking composition typically has a good shelf life without separation tendency, allows low hazard classification due to the low toxicity and low volatility of the catalyst according to the invention and enables low-emission and low-odor products, which cure quickly and thereby form a mechanically high-quality and durable material. Particularly advantageous is the fact that this material is prone to migration-related errors such as sweating or substrate contamination, in contrast to compositions containing catalysts according to the prior art, such as DBU, TMG or DHA. Compositions containing such catalysts are prone to migration effects, which may manifest themselves before curing by separation and after curing by sticky and / or greasy surfaces and / or substrate contaminants. Especially the latter effects are extremely undesirable, since sticky and greasy surfaces quickly become dirty and poorly paintable, and substrate contamination can lead to permanent discoloration.
- a silane-crosslinking composition is preferably applied to at least one substrate.
- Suitable substrates are in particular
- metals and alloys such as aluminum, iron, steel or non-ferrous metals, as well as surface-treated metals or alloys, such as galvanized or chromium-plated metals;
- resins for example phenolic, melamine or epoxy resins, bonded wood-based materials, resin-textile composites and other so-called polymer composites;
- Plastics such as polyvinyl chloride (hard and soft PVC), acrylonitrile-butadiene-styrene copolymers (ABS), polycarbonate (PC), polyamide (PA), polyester, poly (methyl methacrylate) (PMMA), epoxy resins, polyurethanes (PUR), polyoxymethylene (POM), polyolefins (PO), polyethylene (PE) or polypropylene (PP), ethylene / propylene copolymers (EPM) or ethylene / propylene / diene terpolymers (EPDM), or fiber-reinforced plastics such as Carbon fiber reinforced plastics (CFRP), glass fiber reinforced plastics (GRP) or sheet molding compounds (SMC), wherein the plastics may preferably be surface treated by means of plasma, corona or flame;
- CFRP Carbon fiber reinforced plastics
- GRP glass fiber reinforced plastics
- SMC sheet molding compounds
- coated substrates such as powder-coated metals or alloys
- the substrates can be pretreated before applying the composition, in particular by physical and / or chemical cleaning methods or by the application of an adhesion promoter, a primer solution or a primer.
- silane-crosslinking composition for contact with substrates which are particularly sensitive to disturbances by migrating substances, in particular by the formation of discoloration or stains.
- substrates which are particularly sensitive to disturbances by migrating substances, in particular by the formation of discoloration or stains.
- substrates which are particularly sensitive to disturbances by migrating substances, in particular by the formation of discoloration or stains.
- substrates which are particularly sensitive to disturbances by migrating substances, in particular by the formation of discoloration or stains.
- substrates which are particularly sensitive to disturbances by migrating substances, in particular by the formation of discoloration or stains.
- fine-pored substrates such as marble, limestone or other natural stones, gypsum, cement mortar or concrete, but also plastics.
- catalysts such as DBU or TMG, strong discoloration is observed can not be removed by cleaning. Such effects are not observed with the catalysts of the invention.
- the silane-crosslinking composition is particularly suitable as an adhesive and / or sealant or as a coating.
- standard climate refers to a temperature of 23 ⁇ 1 ° C and a relative humidity of 50 ⁇ 5%.
- FT-IR Infrared
- Viscosities were measured on a thermostated Rheotec RC30 cone-plate viscometer (cone diameter 50 mm, cone angle 1 °, cone tip-to-plate distance 0.05 mm, shear rate 10 s -1 ).
- the skin formation time was determined by applying a few grams of the composition to cardboard in a layer thickness of about 2 mm and measuring the time in standard climate until lightly tapping the surface of the composition by means of a pipette made of LDPE for the first time no residues on the pipette left more. The condition of the surface was haptically tested.
- Modulus (at 0-5% and 0-50% elongation) were according to DIN EN 53504 at a pulling speed of 200 mm / min. measured.
- the Shore A hardness was determined according to DIN 53505 on test specimens cured for 7 days under standard conditions.
- Catalyst K-1 1, 1 '- (a, ro-n-propyl-poly (dimethylsiloxane)) - bis (2,3-dicyclohexylguanidine)
- Catalyst K-2 1 - ( ⁇ -propyl-isobutoxy-poly (dimethylsiloxane)) - 2,3-dicyclohexylguanidine
- Catalyst K-3
- non-crosslinkable amine functional polyvinyl ly were (dimethylsiloxane) (WACKER ® L 656 silicone oil from Wacker; amine value 73 mg KOH / g) and 4.88 g ⁇ , ⁇ '-dicyclohexylcarbodiimide and the mixture with stirring to 120 ° C heated.
- the reaction mixture was analyzed by FT-IR spectroscopy. After 72 hours, the carbodiimide band disappeared completely at about 2120 cm -1 to give a yellowish, odorless oil with a viscosity of 285 mPa s at 20 ° C.
- non-crosslinkable amine functional polyvinyl were poly (dimethylsiloxane) (WACKER FINISH WT ® 1650 silicone oil from Wacker; amine number 34 mg KOH / g) and 2.25 g ⁇ mixed ⁇ '-dicyclohexylcarbodiimide and the mixture with stirring to Heated to 120 ° C. At regular intervals, the reaction mixture was analyzed by FT-IR spectroscopy. After 72 hours, the carbodiimide band was completely disappeared at about 2120 cm -1 . the. This gave a yellowish, odorless oil with a viscosity at 20 ° C of 773 mPa s.
- Catalyst K-7 N, N "- ( ⁇ , ro-bis (n-propyl) -poly (dimethylsiloxane)) bis (N'-hexylacetimidamide)
- compositions Z1 to Z20 are examples according to the invention, the compositions V1 to V12 are comparative examples.
- Ketal compositions Z1 to Z8 and comparisons V1 to V3 are Ketal compositions Z1 to Z8 and comparisons V1 to V3:
- a composition of 96.5 g of polymer STP-1, 0.5 g of vinyltrimethoxysilane and 3.0 g of 3-aminopropyltrimethoxysilane was mixed with various catalysts in the stated amount according to Table 1 and the mixture was mixed with viscosity and skin formation time (HBZ) under standard conditions before and after storage , checked.
- the skinning time serves as a measure of the activity of the catalyst with respect to the crosslinking reaction of the silane groups, ie the rate of crosslinking; the change in viscosity and skinning time after storage is a measure of storage stability.
- composition of 95.9 g of polymer STP-2, 0.4 g of vinyltriethoxysilane and 3.7 g of 3-aminopropyltriethoxysilane was mixed with various catalysts in the stated amount according to Table 3 and the mixture as described for composition Z1 on viscosity, skinning time (HBZ) and surface texture.
- Tables 3 and 4 The results are shown in Tables 3 and 4. "Supplement” stands for "composition”.
- polymer STP-2 1 .2 g of vinyltriethoxysilane and 1 .2 g of 3-aminopropyltriethoxysilane
- composition Z1 on skinning time (HBZ) and surface texture tested.
- Table 5 "Supplement” stands for "composition”.
- the thixotropic paste was prepared by initially charging 300 g of diisodecyl phthalate (Palatinol® Z, from BASF) and 48 g of 4,4'-methylenediphenyl diisocyanate (Desmodur® 44 MC L, from Bayer) in a vacuum mixer and gently warming it up, followed by vigorous stirring 27 g of n-butylamine were slowly added dropwise. The resulting paste was further stirred under vacuum and cooling for one hour.
- Table 5 Table 5:
- compositions Z15 to Z17 and Comparisons V8 to V10 1 mmol of amidine or guanidine groups per 100 g of composition.
- a plastic cup 20.2 g of a first component consisting of 99 parts by weight (GT) of an OH-terminated linear polydimethylsiloxane with a viscosity of about 50 ⁇ 00 mPas at 23 ° C (Wacker ® Silicone Rubber Polymer FD 50, by Wacker) and 1 GT ® Wacker E2 silicone oil emulsifier sion (nonionic emulsified in water medium viscosity OH-terminated linear polydimethylsiloxane, from Wacker, solids content 37-40%) with a second component consisting of 0.80 g of vinyltrimethoxysilane, and a catalyst-in in the table 8 intimately mixed and the mixture as described for composition Z1 on skinning time (HBZ) and surface texture tested. Furthermore, the applied mixture was tested for 7 days in standard climate to Shore A hardness. The results are shown in Table 8. "Supplement” stands for "composition”.
- composition Z22 (in situ preparation of the catalyst):
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Abstract
Description
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2016573515A JP6659594B2 (ja) | 2014-06-16 | 2015-06-15 | シロキサン構造単位を含む架橋触媒 |
CN201580043722.8A CN106573234B (zh) | 2014-06-16 | 2015-06-15 | 具有硅氧烷结构单元的交联催化剂 |
EP15729155.0A EP3154688B1 (de) | 2014-06-16 | 2015-06-15 | Vernetzungskatalysator mit siloxan-struktureinheiten |
US15/319,215 US9988482B2 (en) | 2014-06-16 | 2015-06-15 | Crosslinking catalyst comprising siloxane structural units |
KR1020177001222A KR20170034380A (ko) | 2014-06-16 | 2015-06-15 | 실록산 구조 단위를 포함하는 가교 촉매 |
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EP (1) | EP3154688B1 (de) |
JP (1) | JP6659594B2 (de) |
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Cited By (5)
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WO2018015344A1 (de) | 2016-07-18 | 2018-01-25 | Sika Technology Ag | Katalysator für härtbare zusammensetzungen enthaltend hexahydrotriazin-struktureinheiten |
EP3339295A1 (de) | 2016-12-21 | 2018-06-27 | Sika Technology Ag | Amidin-katalysator für härtbare zusammensetzungen |
CN110431131A (zh) * | 2017-03-24 | 2019-11-08 | Sika技术股份公司 | 用于可固化组合物的胍催化剂 |
WO2020039057A1 (de) | 2018-08-24 | 2020-02-27 | Sika Technology Ag | Feuchtigkeitshärtende rtv-silikonzusammensetzung mit homogener tiefenhärtung |
EP4306595A1 (de) | 2022-06-30 | 2024-01-17 | Sika Technology AG | Feuchtigkeits-und radikalisch härtende silikonacrylatzusammensetzung für cured-in-place gasketing |
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US10707531B1 (en) | 2016-09-27 | 2020-07-07 | New Dominion Enterprises Inc. | All-inorganic solvents for electrolytes |
GB201707439D0 (en) | 2017-05-09 | 2017-06-21 | Dow Corning | Lamination Process |
ES2939033T3 (es) * | 2019-10-28 | 2023-04-18 | Evonik Operations Gmbh | Mezcla de endurecimiento |
NO346598B1 (en) | 2020-12-23 | 2022-10-24 | Klingelberg Products As | Method for the preparation of amidines and amide manufactured by the method |
CN117904899B (zh) * | 2024-03-20 | 2024-05-24 | 沈阳森和盛源木业有限公司 | 一种改性三聚氰胺浸渍纸的制备方法 |
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FR2603893B1 (fr) * | 1986-09-11 | 1988-12-09 | Rhone Poulenc Chimie | Composition diorganopolysiloxane durcissable en elastomere autoadherent |
DE4237468A1 (de) | 1992-11-06 | 1994-05-11 | Bayer Ag | Alkoxysilan- und Aminogruppen aufweisende Verbindungen |
US5677269A (en) * | 1994-09-12 | 1997-10-14 | Mona Industries, Inc. | Silicone containing imidazoline compositions |
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JPH08127721A (ja) * | 1994-10-28 | 1996-05-21 | Toray Dow Corning Silicone Co Ltd | 室温硬化性オルガノポリシロキサン組成物 |
JP3748054B2 (ja) * | 2001-06-28 | 2006-02-22 | 信越化学工業株式会社 | 室温硬化性オルガノポリシロキサン組成物 |
EP1632540A1 (de) * | 2004-09-03 | 2006-03-08 | Sika Technology AG | Zum Verkleben geeignete thermisch gehärtete Silikonbeschichtung |
DE102005004704A1 (de) * | 2005-02-02 | 2006-08-10 | Goldschmidt Gmbh | Guanidinogruppen-haltige Siloxane und deren Verwendung für kosmetische Formulierungen |
EP1760084A1 (de) * | 2005-09-02 | 2007-03-07 | Sika Technology AG | Tensid-stabilisierte Organoalkoxysilanzusammensetzung |
EP1894966A1 (de) * | 2006-08-31 | 2008-03-05 | Sika Technology AG | Wässrige Haftvermittlerzusammensetzung umfassend ein Aminosilan und ein Mercaptosilan |
FR2925496A1 (fr) * | 2007-12-20 | 2009-06-26 | Bluestar Silicones France Soc | Composes a structure guanidine et leurs utilisations comme catalyseurs de polycondensation d'organopolysiloxanes. |
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DE102010062156A1 (de) * | 2010-10-25 | 2012-04-26 | Evonik Goldschmidt Gmbh | Polysiloxane mit stickstoffhaltigen Gruppen |
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DE102013216787A1 (de) * | 2013-08-23 | 2015-02-26 | Evonik Degussa Gmbh | Guanidingruppen aufweisende semi-organische Siliciumgruppen enthaltende Verbindungen |
KR20160046854A (ko) * | 2013-08-23 | 2016-04-29 | 모멘티브 퍼포먼스 머티리얼즈 인크. | 수분 경화성 조성물 |
-
2015
- 2015-06-15 WO PCT/EP2015/063253 patent/WO2015193208A2/de active Application Filing
- 2015-06-15 CN CN201580043722.8A patent/CN106573234B/zh active Active
- 2015-06-15 EP EP15729155.0A patent/EP3154688B1/de active Active
- 2015-06-15 US US15/319,215 patent/US9988482B2/en active Active
- 2015-06-15 JP JP2016573515A patent/JP6659594B2/ja active Active
- 2015-06-15 KR KR1020177001222A patent/KR20170034380A/ko not_active Application Discontinuation
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018015344A1 (de) | 2016-07-18 | 2018-01-25 | Sika Technology Ag | Katalysator für härtbare zusammensetzungen enthaltend hexahydrotriazin-struktureinheiten |
US11097259B2 (en) | 2016-07-18 | 2021-08-24 | Sika Technology Ag | Catalyst for curable compositions containing hexahydrotriazine structural units |
EP3339295A1 (de) | 2016-12-21 | 2018-06-27 | Sika Technology Ag | Amidin-katalysator für härtbare zusammensetzungen |
WO2018114476A1 (de) | 2016-12-21 | 2018-06-28 | Sika Technology Ag | Amidin-katalysator für härtbare zusammensetzungen |
US10995074B2 (en) | 2016-12-21 | 2021-05-04 | Sika Technology Ag | Amidine catalyst for curable compositions |
CN110431131A (zh) * | 2017-03-24 | 2019-11-08 | Sika技术股份公司 | 用于可固化组合物的胍催化剂 |
WO2020039057A1 (de) | 2018-08-24 | 2020-02-27 | Sika Technology Ag | Feuchtigkeitshärtende rtv-silikonzusammensetzung mit homogener tiefenhärtung |
EP4306595A1 (de) | 2022-06-30 | 2024-01-17 | Sika Technology AG | Feuchtigkeits-und radikalisch härtende silikonacrylatzusammensetzung für cured-in-place gasketing |
Also Published As
Publication number | Publication date |
---|---|
JP6659594B2 (ja) | 2020-03-04 |
CN106573234A (zh) | 2017-04-19 |
EP3154688A2 (de) | 2017-04-19 |
US9988482B2 (en) | 2018-06-05 |
US20170129987A1 (en) | 2017-05-11 |
EP3154688B1 (de) | 2021-08-11 |
CN106573234B (zh) | 2020-08-04 |
WO2015193208A3 (de) | 2016-02-25 |
JP2017528533A (ja) | 2017-09-28 |
KR20170034380A (ko) | 2017-03-28 |
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