CN107075122A - 用于涂料组合物的流动改性剂 - Google Patents
用于涂料组合物的流动改性剂 Download PDFInfo
- Publication number
- CN107075122A CN107075122A CN201580056676.5A CN201580056676A CN107075122A CN 107075122 A CN107075122 A CN 107075122A CN 201580056676 A CN201580056676 A CN 201580056676A CN 107075122 A CN107075122 A CN 107075122A
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- Prior art keywords
- alkyl
- copolymer
- arrcostab
- methyl
- carbon atom
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Links
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 40
- 239000008199 coating composition Substances 0.000 title claims abstract description 20
- -1 polysiloxanes Polymers 0.000 claims abstract description 62
- 229920001577 copolymer Polymers 0.000 claims abstract description 50
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 30
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 28
- 229920001296 polysiloxane Polymers 0.000 claims abstract description 20
- 150000001735 carboxylic acids Chemical class 0.000 claims abstract description 14
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 11
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims abstract description 9
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 8
- 230000000903 blocking effect Effects 0.000 claims abstract description 7
- 150000002148 esters Chemical class 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims description 34
- 239000000178 monomer Substances 0.000 claims description 32
- 229910052799 carbon Inorganic materials 0.000 claims description 26
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 16
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 12
- 239000000654 additive Substances 0.000 claims description 12
- 230000000996 additive effect Effects 0.000 claims description 12
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims description 10
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims description 4
- 125000005037 alkyl phenyl group Chemical group 0.000 claims description 4
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 4
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004793 Polystyrene Substances 0.000 claims description 3
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 3
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 3
- 239000000049 pigment Substances 0.000 claims description 3
- 229920002223 polystyrene Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- UXYMHGCNVRUGNO-UHFFFAOYSA-N 1-hydroxypropan-2-yl prop-2-enoate Chemical class OCC(C)OC(=O)C=C UXYMHGCNVRUGNO-UHFFFAOYSA-N 0.000 claims description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims description 2
- 238000004040 coloring Methods 0.000 claims description 2
- 239000003431 cross linking reagent Substances 0.000 claims description 2
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000005469 ethylenyl group Chemical group 0.000 claims description 2
- 125000001188 haloalkyl group Chemical group 0.000 claims description 2
- 125000005843 halogen group Chemical group 0.000 claims description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 claims description 2
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 claims description 2
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- YCOZIPAWZNQLMR-UHFFFAOYSA-N pentadecane Chemical compound CCCCCCCCCCCCCCC YCOZIPAWZNQLMR-UHFFFAOYSA-N 0.000 claims 2
- KUXKWCPBFHIJJJ-UHFFFAOYSA-N 6-hydroxy-2-methylhex-2-enoic acid Chemical compound OC(=O)C(C)=CCCCO KUXKWCPBFHIJJJ-UHFFFAOYSA-N 0.000 claims 1
- 125000003118 aryl group Chemical group 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- PNXMTCDJUBJHQJ-UHFFFAOYSA-N propyl prop-2-enoate Chemical class CCCOC(=O)C=C PNXMTCDJUBJHQJ-UHFFFAOYSA-N 0.000 claims 1
- 238000002360 preparation method Methods 0.000 abstract description 3
- 229920000642 polymer Polymers 0.000 description 17
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 15
- 239000011248 coating agent Substances 0.000 description 11
- 238000000576 coating method Methods 0.000 description 11
- 150000003254 radicals Chemical class 0.000 description 11
- 239000003973 paint Substances 0.000 description 10
- CERQOIWHTDAKMF-UHFFFAOYSA-N alpha-methacrylic acid Natural products CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 8
- 239000003999 initiator Substances 0.000 description 8
- 239000002966 varnish Substances 0.000 description 8
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 125000005250 alkyl acrylate group Chemical group 0.000 description 4
- 229920001400 block copolymer Polymers 0.000 description 4
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000010526 radical polymerization reaction Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000001476 alcoholic effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000007334 copolymerization reaction Methods 0.000 description 3
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229910000077 silane Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 229920002818 (Hydroxyethyl)methacrylate Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 101710141544 Allatotropin-related peptide Proteins 0.000 description 2
- 239000012988 Dithioester Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- WOBHKFSMXKNTIM-UHFFFAOYSA-N Hydroxyethyl methacrylate Chemical compound CC(=C)C(=O)OCCO WOBHKFSMXKNTIM-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 238000010560 atom transfer radical polymerization reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007766 curtain coating Methods 0.000 description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 description 2
- 125000005022 dithioester group Chemical group 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- PBOSTUDLECTMNL-UHFFFAOYSA-N lauryl acrylate Chemical compound CCCCCCCCCCCCOC(=O)C=C PBOSTUDLECTMNL-UHFFFAOYSA-N 0.000 description 2
- 239000004611 light stabiliser Substances 0.000 description 2
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000037452 priming Effects 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 238000000045 pyrolysis gas chromatography Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 1
- ZQDPJFUHLCOCRG-UHFFFAOYSA-N 3-hexene Chemical group CCC=CCC ZQDPJFUHLCOCRG-UHFFFAOYSA-N 0.000 description 1
- QZPSOSOOLFHYRR-UHFFFAOYSA-N 3-hydroxypropyl prop-2-enoate Chemical class OCCCOC(=O)C=C QZPSOSOOLFHYRR-UHFFFAOYSA-N 0.000 description 1
- CCTFMNIEFHGTDU-UHFFFAOYSA-N 3-methoxypropyl acetate Chemical compound COCCCOC(C)=O CCTFMNIEFHGTDU-UHFFFAOYSA-N 0.000 description 1
- 239000004971 Cross linker Substances 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- 229930194542 Keto Natural products 0.000 description 1
- 239000004594 Masterbatch (MB) Substances 0.000 description 1
- 239000001825 Polyoxyethene (8) stearate Substances 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical class CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 238000012644 addition polymerization Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000005907 alkyl ester group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
- 239000012964 benzotriazole Substances 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- DKVNPHBNOWQYFE-UHFFFAOYSA-N carbamodithioic acid Chemical compound NC(S)=S DKVNPHBNOWQYFE-UHFFFAOYSA-N 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012990 dithiocarbamate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 125000004185 ester group Chemical group 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910001511 metal iodide Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 125000002958 pentadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 125000000864 peroxy group Chemical group O(O*)* 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000007342 radical addition reaction Methods 0.000 description 1
- 150000005839 radical cations Chemical class 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012712 reversible addition−fragmentation chain-transfer polymerization Methods 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
- 150000003738 xylenes Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/02—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated end groups
- C08F290/06—Polymers provided for in subclass C08G
- C08F290/068—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1802—C2-(meth)acrylate, e.g. ethyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1808—C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
-
- 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
- C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic 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
- 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
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/442—Block-or graft-polymers containing polysiloxane sequences containing vinyl polymer sequences
-
- C—CHEMISTRY; METALLURGY
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Abstract
本发明涉及共聚物AB,其具有得自乙烯基封端的聚硅氧烷A的结构部分,所述乙烯基封端的聚硅氧烷具有多于一个的键合至聚硅氧烷上的乙烯基,和得自烯属不饱和羧酸的两种或更多种烷基酯B的结构部分,其中使用至少两种不同的烷基酯B1和B2,烯属不饱和羧酸的第一烷基酯B1的烷基具有1‑5个碳原子,烯属不饱和羧酸的第二烷基酯B2的烷基具有6‑30个碳原子,和得自烯属不饱和羧酸的至少一种羟烷基酯B3的结构部分,所述酯B3具有在烷基中的至少一个羟基和在烷基中的2‑6个碳原子;还涉及其制备方法,和涉及其用作涂料组合物中的流动改性剂的方法。
Description
技术领域
本发明涉及用于涂料组合物的流动改性剂。本发明进一步涉及包含流动改性剂作为流平剂的涂料组合物。涂料组合物可优选为粘结剂在有机溶剂中、在水中或在有机溶剂和水的混合物中的溶液或分散体,和在合适时还可以包含颜料和助剂。
背景技术
油漆表面通常不完全光滑,而是表现出具有通常称为波纹或“橙皮”的不规则结构的表面。细结构通常被称为“短波”,粗结构称为“长波”。这种结构通常是不期望的。该结构取决于涂料组合物的性质和组成,和取决于通常明确地作为所谓“聚结剂”添加的溶剂的存在,以及取决于其它参数如温度和干燥速度。特别是在粉末涂料的情况下,添加流动改性剂(也称为流动增强剂)是实现光滑表面所必需的。
基于(甲基)丙烯酸系单体的聚合物和基于聚硅氧烷的聚合物两者已被用作涂料组合物的流动改性剂、流动增强剂或流平促进剂。
聚硅氧烷通常是聚二甲基硅氧烷,聚甲基烷基硅氧烷,其可以是聚醚改性的或聚酯改性的。EP 1 375 605 B1描述了包含聚硅氧烷结构部分的嵌段共聚物。
在聚(甲基)丙烯酸酯的情况下,优选使用具有从在烷基链中的一个碳原子至在烷基链中的13个碳原子的烷基链长度的丙烯酸烷基酯的聚合物或共聚物,例如丙烯酸甲酯,丙烯酸乙酯,丙烯酸正丁酯,丙烯酸正己酯,丙烯酸2-乙基己酯,丙烯酸月桂酯和丙烯酸十三烷酯,或相应的甲基丙烯酸酯,或这些中的任何的混合物。出于本申请的目的,丙烯酸酯和甲基丙烯酸酯都应以“(甲基)丙烯酸酯”的书面形式被包含。所使用的产品在某些情况下具有至多100kg/mol的数均摩尔质量。由US 5,621,059A已知丙烯酸酯共聚物,其由烷基中具有一个或两个碳原子的烷基丙烯酸酯和由丙烯酸以及任选地由较长链烷基丙烯酸酯如丙烯酸2-乙基己酯制得。这些可以用作水性和溶剂型涂料以及粉末涂料中的流动改性剂。在美国专利6,197,883中,已经描述了使用嵌段共聚物作为流平促进剂、流平添加剂或流动改进剂。所有这些不同的词语都描述了添加剂的不同方面,所述添加剂改变了将其加入的油漆组合物或涂料组合物的流动行为,包括剪切和伸长粘度,界面粘合性以及表面张力;因此这些添加剂在下文通常称为“流动改性剂”。
例如,用作流动改性剂的这些聚(甲基)丙烯酸酯(共)聚合物可以原样使用或可以作为有机溶剂中的溶液使用,或者作为施加到二氧化硅上的粉末使用。在流动改性剂用于粉末涂料时,后者是通常的情况。在涂料配制物中,用作流动改性剂的这类产物在涂料配制物质量中的质量分数通常为0.05-3%。
这些流动改性剂的效果可能也是基于它们对液-气界面的影响,其中这些产品由于与涂料体系的粘结剂的一定不相容性而被积聚。这种不相容性可以通过提高这些聚合物的摩尔质量或其化学组成的改变而增加。然而,这也可能导致涂料混浊,形成表面不规则性,例如涂膜中的凹坑,或多层涂层中的受损的界面粘合性。在基于聚硅氧烷的流动改性剂的情况下经常观察到这种倾向。
因此,需要在所需的表面张力改变和流动性质之间进行优化,以获得所需的光滑表面和不能导致不期望的表面不规则性的可接受程度的不相容性。我们的研究证实,现有的聚合物仅提供了上述问题概述的不足的解决方案,并且表明需要改进的添加剂,其促进流平性、均匀流动性和底物润湿性,并且允许制备光滑的涂膜。还希望通过常规的聚合方法生产这样的添加剂,这是由于在本文中使用的如EP 1 375 605 B1所述的产生低多分散性的聚合物的RAFT(可逆加成-断裂链转移)聚合技术具有缺点,因为特定的RAFT试剂仅适用于有限组的单体,并且RAFT试剂的合成通常需要多步合成程序和随后的纯化。RAFT试剂在长时间内还趋向于不稳定,通常是高度着色的,并且由于二硫代酯结构部分的逐渐分解以产生具有较高蒸气压的较小分子硫化合物而具有刺激性气味。所得聚合物中硫和颜色的存在对于一些应用也是不期望的,并且这些不期望的化合物的分离涉及另外的步骤。
在EP 0 159894 A2中,公开了一种用于涂覆金属材料的热固性丙烯酸系树脂组合物,其通过使以下单体的混合物经受自由基共聚获得:(a)至少一种在酯基结构部分中具有1-12个碳原子的丙烯酸酯或甲基丙烯酸酯,其在单体混合物中的质量分数为40-80%,(b)至少一种含羟基或环氧基的丙烯酸酯或含羟基或环氧基的甲基丙烯酸酯,其在单体混合物中的质量分数为20-5%,(c)单体混合物中质量分数为20-0.01%的含乙烯基的聚硅氧烷,(d)单体混合物中质量分数为20-2%的含有乙烯基的硅烷化合物。没有提及具有在第一(甲基)丙烯酸烷基酯的烷基中的1-5个碳原子和在第二(甲基)丙烯酸烷基酯的烷基中的6-30个碳原子的两种不同的(甲基)丙烯酸烷基酯的强制性存在。
在WO 2006/125731A1中,描述了滑爽剂和流平剂,其包含通过使以下物质共聚而获得的共聚物:(A)不饱和二羧酸的单或二全氟酯的至少一个单体;(B)至少一个末端反应性聚硅氧烷单元;(C)至少一个烷基(甲基)丙烯酸酯单元或环烷基(甲基)丙烯酸酯单元和/或(甲基)丙烯酸和/或得自可形成自由基的乙烯基化合物的其它单元。没有公开在单体混合物中强制存在羟烷基(甲基)丙烯酸酯,也没有提及二乙烯基封端的聚硅氧烷单元。
在US 2004/054071A1中,描述了使用嵌段共聚物作为表面涂层的流平剂,该共聚物的质均摩尔质量为1-100kg/mol。流平剂是由聚硅氧烷嵌段和通过控制的自由基加成聚合由烯属不饱和单体制备的一个或多个嵌段组成的直链或支链嵌段共聚物。虽然公开了包含衍生自单体丙烯酸丁酯和丙烯酸月桂酯的单体的共聚物,但没有提及二乙烯基聚硅氧烷,也没有提及羟烷基(甲基)丙烯酸酯。
在WO 2011/133408A2中,描述了一种硅氧烷-丙烯酸系共聚物,其包括通过-Si-O-Si-键与丙烯酸系聚合物共价键合的硅氧烷聚合物。该硅氧烷-丙烯酸系共聚物是以下物质的反应产物:(a)硅氧烷聚合物,(bi)丙烯酸系单体的混合物,其中至少一种丙烯酸系单体包括与自由基引发剂形成丙烯酸系预聚物的硅烷(甲基)丙烯酸系单体和/或硅氧烷(甲基)丙烯酸系大分子单体或(bii)包含硅烷或硅氧烷官能团的丙烯酸系聚合物;和(c)所谓的“混接反应催化剂”,其中硅氧烷聚合物(a)和丙烯酸系单体(bi)或聚合物(bii)的混合物的比例为50:1至1:50。这种硅氧烷-丙烯酸系共聚物可用作粘合剂、密封剂、涂料等。没有公开(甲基)丙烯酸C1-C5烷基酯和(甲基)丙烯酸C6-C30烷基酯两者的强制性同时存在以及羟烷基(甲基)丙烯酸酯的强制性同时存在。
在本发明的实验中已经发现,上述的这些目的可以通过由具有聚硅氧烷结构部分和多于一个、优选两个可共聚乙烯基的单体和包含烯属不饱和羧酸的两种或更多种烷基酯和烯属不饱和羧酸的至少一种羟烷基酯的另外的乙烯基单体制备的共聚物来实现。
发明内容
因此,本发明提供了共聚物AB,其包含得自以下的结构部分:
-具有多于一个的键合至聚硅氧烷上的乙烯基的乙烯基封端的聚硅氧烷A,和
-得自烯属不饱和羧酸的两种或更多种烷基酯B的结构部分,其中使用至少两种不同的烷基酯,第一称为烷基酯B1,和第二称为烷基酯B2;其中烯属不饱和羧酸的第一烷基酯B1的烷基具有1-5个碳原子,和烯属不饱和羧酸的第二烷基酯B2的烷基具有6-30个碳原子,和
-得自烯属不饱和羧酸的至少一种羟烷基酯B3的结构部分,所述酯B3具有在烷基中的至少一个羟基和在烷基中的2-6个碳原子。
本发明进一步提供了通过自由基引发的聚合反应和优选在惰性溶剂中制备这些共聚物AB的方法,和仍进一步提供了使用如上文定义的共聚物AB作为涂料组合物的流动改性剂的方法。最后,本发明还涉及包含如上文定义的共聚物AB的涂料组合物。
优选实施方案的详细描述
具有至少一个键合至聚硅氧烷上的乙烯基的乙烯基封端的聚硅氧烷A优选具有两个末端乙烯基,和进一步优选地具有下式I
其中R1至R8彼此独立地选自具有1-8个碳原子的烷基,选自苯基和烷基苯基的芳基,所述烷基苯基具有在烷基中的1-9个碳原子,具有1-6个碳原子的卤代烷基,其中烷基的至少一个氢原子被选自F和Cl的卤素原子替代。R1、R4、R5和R8优选为甲基,R2和R6均优选为甲基,和R3和R7均优选为乙基或苯基或在另一个优选实施方案中它们是不同的,和R3为甲基而R7为1,1,1-三氟丙-3-基。数m和n彼此独立地为零或1-90的整数,其中m和n的总和m+n必须为至少6且不大于100。在优选实施方案中,m+n为至少9且不大于90。在进一步优选实施方案中,m+n为至少9且不大于85。还优选的是n小于m,和更优选地,n=0。
当使用具有仅甲基作为基团R1至R8的聚硅氧烷作为聚硅氧烷A时,特别优选的m值可使二乙烯基聚硅氧烷A的数均摩尔质量为500-7000g/mol。
在所述烷基酯B1中,烷基具有1-5个碳原子,和可以选自甲基、乙基、正丙基、异丙基、正丁基、异丁基、仲丁基、叔丁基、正戊基、仲戊基和叔戊基。烯属不饱和羧酸优选为丙烯酸或甲基丙烯酸。特别优选的烷基酯B1为丙烯酸乙酯和丙烯酸正丁酯,尤其优选丙烯酸乙酯。
在所述烷基酯B2中,烷基具有6-30个碳原子,和可以选自正己基、正庚基、正辛基、2-乙基己基、正壬基、2-壬基、十二烷基、十三烷基、十五烷基和十八烷基,其中包括在没有明确公开的情况下的直链和支链异构体。烯属不饱和羧酸优选为丙烯酸或甲基丙烯酸。特别优选的烷基酯B2为己基丙烯酸酯和2-乙基-己基丙烯酸酯,尤其优选2-乙基己基丙烯酸酯。
优选的羟烷基酯B3具有在烷基中的至少一个羟基和在烷基中的2-6个碳原子。烯属不饱和羧酸优选为丙烯酸或甲基丙烯酸。特别优选的是羟基乙基(甲基)丙烯酸酯,羟基丙基(甲基)丙烯酸酯,其中包括3-羟基丙基酯,以及2-羟基-1-丙基(甲基)丙烯酸酯和1-羟基-2-丙基(甲基)丙烯酸酯的异构体混合物。最优选的烷基酯B3为羟乙基丙烯酸酯以及2-羟基-1-丙基丙烯酸酯和1-羟基-2-丙基丙烯酸酯的异构体混合物。
根据本发明优选的共聚物AB包含以下质量分数w的得自所述单体的重复单元:
对于二乙烯基封端的聚硅氧烷A,w(A)为0.5-4.5%,特别优选为1.0-4.2%,和尤其优选为1.5-3.8%;
对于其中烷基具有1-5个碳原子的烯属不饱和羧酸的烷基酯B1,w(B1)为30-85%,特别优选为35-80%,和尤其优选为40-75%;
对于其中烷基具有6-30个碳原子的烯属不饱和羧酸的烷基酯B2,w(B2)为5-55%,特别优选为6-50%,和尤其优选为7-45%;
对于其中烷基具有2-6个碳原子的烯属不饱和羧酸的羟烷基酯B3,w(B3)为5-20%,特别优选为7.5-18%,和尤其优选为10-16%。这里所述的不同单体的所有范围可进行组合,注意不要超过质量分数总和100%。
通过采用适当的分析方法、在这种情况下优选通过13C-NMR光谱鉴定烯属不饱和单体的重复单元-CXi1Xi2-CXi3Xi4(对于每种烯属不饱和单体i具有通式CXi1Xi2=CXi3Xi4),并测量聚合物分子中这些重复单元的平均数,并将由此获得的数量分数乘以与单体的那些相同的重复单元的摩尔质量,来计算聚合物中重复单元的质量分数。当使用诸如热解气相色谱法(其中信号是质量依赖性的)的分析工具时,可以在使用已知组合物的纯单体或共聚物校准后的分析结果直接计算质量分数。
已经发现上文提到的各个组分的优选实施方案的组合导致特别好的结果。如果组分A的特别优选的选择与对于组分B1、B2和B3的一种或多种的优选的选择或者特别优选的选择相结合,则获得最好的结果。
使用并可用于制备本发明共聚物AB的加成聚合方法如下:
(1)溶液中的标准自由基聚合,其中优选通过热分解偶氮化合物、过硫酸盐或过氧化物,优选通过光分解金属碘化物、烷基金属和偶氮化合物,通过电离辐射,通过电解形成自由基阴离子或自由基阳离子,优选通过在铁催化下过氧化氢或烷基过氧化氢的氧化还原反应,或使用三元引发剂如基于茂金属的那些,引发剂如酰基过氧化物和二酮羧酸产生自由基;
(2)控制的自由基聚合方法,其包括:
(2a)使用黄原酯作为转移剂的控制的自由基聚合,例如在WO1998/058974 A1中所述,
(2b)使用二硫代酯作为转移剂的控制的自由基聚合,例如在WO1998/001478 A1中所述,
(2c)使用二硫代氨基甲酸酯作为转移剂的控制的自由基聚合,例如在WO1999/031144 A1中所述,
(2d)使用过渡金属催化剂的原子转移自由基聚合(ATRP),例如在WO1996/030421A1或在Chem.Rev.2001,101,2921中所述。聚合方法(2a)和(2c)也称为RAFT聚合。
在本发明中用于流动改性剂的共聚物AB的组成和单体的优点是可以将使用偶氮或过氧化物或过氧酯引发剂的常规溶液聚合用于制备所需规格的这些共聚物,这避免了在根据(2)的方法中使用的引发剂的含硫或发色成分的存在。
通过装入乙烯基封端的聚硅氧烷A在醇溶剂、优选异丙醇中的溶液,并将溶液加热至55-120℃的温度,优选在回流下,来进行聚合。同时加入两种混合物,一种包含在相同的醇溶剂中的自由基引发剂,另一种包含任选地溶解在相同的醇溶剂中的单体B1、B2和B3的混合物。当反应完成(通过确定反应混合物中未反应单体的浓度来检查)时,将反应混合物加热至130-170℃的温度,并将溶剂、未反应的单体和自由基引发剂分解的副产物通过减压蒸馏除去。可以原样使用共聚物AB,或者可以通过溶液沉淀步骤、通过提取或通常通过色谱法来纯化。
用作流动改性剂的本发明的共聚物AB的数均摩尔质量Mn优选在1.5-6.5kg/mol的范围内,质均平均摩尔质量Mw优选在2.5-40kg/mol,其通过凝胶渗透色谱法使用四氢呋喃作为溶剂测定,并用聚苯乙烯标准物校准。必须注意的是,对于共聚物的摩尔质量所述的值仅为当量的聚苯乙烯摩尔质量,并且不反映所检测的共聚物的实际值。
本发明的共聚物AB用作涂料配制物中的流动改性剂,所述涂料配制物包含粘结剂树脂、溶剂、添加剂、颜料和着色剂等,如果合适的话,还包含相对少量的交联剂和催化剂,对应于流动改性剂共聚物在涂料组合物中的质量分数为0.05-5%,优选0.1-3%,最优选0.2-2%。
本发明的流动改性剂可以以溶液的形式、以水性乳液的形式或以本体的形式(即未经稀释的形式)使用,这取决于涂料的性质及其应用方式。
在溶剂型涂料中,优选使用其溶剂与涂料本身的那些相似的流动改性剂。在辐射固化体系中,流动改性剂优选溶解在相应的单体中。在粉末涂料中优选未经稀释的形式的流动改性剂,以母料的形式或其施加到粉状载体材料上的形式。如德国专利申请DE-A 19522 475所述,这些流动改性剂也可以并入蜡熔体中并因此转化为自由流动的固体形式。在水性粉末浆料中,流动改性剂可以以水性乳液的形式加入。根据现有技术借助于乳化剂制备这些乳液。
本发明还涉及涂料组合物,其包含质量分数为0.05-5%、优选0.1-3%和最优选0.2-2%的流动改性剂,基于涂料组合物质量。
通过以下实施例进一步说明本发明。
根据DIN EN ISO 2813,使用从BYK Gardner GmbH获得的微型TRI光泽仪测量光泽度。
根据ASTM E430,使用从BYK Gardner GmbH获得的双波扫描仪测量波扫描和DOI。
实施例1 硅氧烷/丙烯酸系混合共聚物的聚合
总是按照下文所述的相同程序合成聚合物。聚合物的组成根据下表1变化。
向配备有回流冷凝器、搅拌器和两个加料漏斗的体积为500ml的玻璃反应器装入75g异丙醇和表1所示的二乙烯基聚二甲基硅氧烷质量。将内容物加热至回流(83℃),并在5小时内逐渐加入叔戊基过-2-乙基己酸酯在异丙醇中的混合物以及单体丙烯酸乙酯、2-乙基己基丙烯酸酯和羟乙基丙烯酸酯的混合物。然后通过将混合物在83℃保持1小时使反应完成,最后,通过在160℃下减压蒸馏除去残留的单体、
溶剂和来自自由基引发剂分解的副产物。
表1共聚:物P1至P6的单体组成
使用的二乙烯基聚二甲基硅氧烷具有式I,其中质均摩尔质量为1kg/mol(1),4kg/mol(2)或6kg/mol(3)
实施例2 双组分清漆涂料组合物
制备了双组分透明涂料组合物,其中对于CC0至CCR的每个的部分(a),将76.05g羟基值为140mg/g的高固丙烯酸系树脂在乙酸丁酯中的溶液(其中树脂的质量分数为75%)用6.73g二甲苯、甲氧基丙基乙酸酯和另外的乙酸丁酯中的每一种与下列添加剂一起稀释:
0.51g受阻胺光稳定剂(292,BASF SE),1.48g苯并三唑光稳定剂(1130,BASF SE),
添加如下流动改性剂:
对于CC0的部分(a)(未改性):不添加
对于CC1的部分(a):0.65g实施例1的共聚物P1,
对于CC2的部分(a):0.65g实施例1的共聚物P2,
对于CC3的部分(a):0.65g实施例1的共聚物P3,
对于CC4的部分(a):0.65g实施例1的共聚物P4,
对于CC5的部分(a):0.65g实施例1的共聚物P5,
对于CC6的部分(a):0.65g实施例1的共聚物P6,
对于CCR的部分(a)(参比):0.17g基于聚醚改性聚硅氧烷的市售流平添加剂( VXL 4930,Allnex Austria GmbH),0.11g羟基值为40mg/g的市售丙烯酸系共聚物流平添加剂(9200,Allnex Austria GmbH),
最后添加1.48g二月桂酸二丁基锡在二甲苯中的溶液(其中锡盐的质量分数为1%)(712,The DOW Chemical Company),和0.1g二乙基乙醇胺至各部分(a)来完成。
对于用于其的交联剂组合物(部分(b)),制备八种混合物,每种混合物由以下制备:28.18g的具有22%异氰酸酯基团的质量分数的六亚甲基二异氰酸酯三聚体( N 3300,Bayer Material Science)、10.75g的乙酸丁酯、2.69g的包含沸点范围为150-180℃的C7-C10芳族化合物的芳族溶剂(溶剂石脑油H)和0.1g二甲苯异构体混合物。
将组合物(a)和组合物(b)在实验室尺寸混合器中在6000min-1下分别混合30分钟。
实施例3 测试板的制备
在喷涂之前已经用异丙醇擦拭清洁钢板。然后通过加入适当的溶剂将标准的溶剂型黑色汽车修补漆单组分喷涂底漆调节至15s的流出时间(DIN-4杯),并在23℃和50%相对湿度下通过喷涂施加到每个清洁钢板的一半区域上。将该板在23℃和50%相对湿度下干燥24小时。所得干膜厚度约为10μm。
通过将一部分各个组分(b)加入如实施例2中详述的量的不同组分(a)的每种来混合清漆CC0至CC6以及参比清漆CCR(实施例2的全部),通过加入乙酸丁酯将粘度调节至16s(DIN-4杯)。然后通过自动喷洒系统在23℃和50%相对湿度下将清漆CC0至CCR施加到底漆覆盖的钢板的整个区域上,达到恒定的干膜厚度为45μm。将涂覆板闪蒸30分钟,然后置于80℃的烘箱中30分钟以强制干燥,并在23℃和50%相对湿度下进一步储存5天。
然后通过以150μm的湿膜厚度流延将第二层清漆施加到涂覆板上。该第二层清漆与第一层相似,不同之处在于来自组分(b)中的溶剂被排除在配方之外。流延后,将该板在23℃和50%相对湿度下闪蒸30分钟,然后在80℃的烘箱中固化30分钟。在该固化之后立即进行第一组横切测定。在23℃和50%相对湿度下在1天后和在储存8天后,重复该测试。
实施例4 质量测试
所有涂覆板的底漆(BC)上的清漆(CC)的外观(波扫描,DOI:图像清晰度,光泽度)以及横切(层间粘合)的结果在表2和3中给出:
表2:波扫描,DOI,光泽度
长波和短波的等级为从0(最佳)到100(最差),DOI的等级为从100(最佳,如完美的镜子)到0(最差,完美扩散器)。光泽度的等级也为从100(最佳)到0(最差)。
获得了清漆CC1和CC3的最佳组合值。
表3:横切,粘合性
BC/CC | CC/CC | |
在8天后 | 在8天后 | |
CC0 | 0 | 0 |
CC1 | 0 | 0 |
CC2 | 0 | 1 |
CC3 | 0 | 0 |
CC4 | 0 | 1 |
CC5 | 0 | 0 |
CC6 | 0 | 5 |
CCR | 0 | 1 |
根据ASTM D 3359方法A进行该横切测试,其中“5”表示通过拉脱胶带除去大于65%的油漆面积,“4”表示除去35-65%的油漆区域,和“0”表示来除去0%的面积。
清漆CC1、CC3和CC5显示出最佳效果。使用相同的流平添加剂实现在横切测试(意味着良好的层间粘合)和表面品质(高光泽度,低波纹度)两者方面的良好结果是必要的。这已经通过本发明的共聚物AB得以实现。
Claims (15)
1.共聚物AB,其包含得自以下的结构部分:
-具有多于一个的键合至所述聚硅氧烷上的乙烯基的乙烯基封端的聚硅氧烷A,和
-得自烯属不饱和羧酸的两种或更多种烷基酯B的结构部分,其中使用至少两种不同的烷基酯,第一称为烷基酯B1,和第二称为烷基酯B2;其中烯属不饱和羧酸的第一烷基酯B1的烷基具有1-5个碳原子,和烯属不饱和羧酸的第二烷基酯B2的烷基具有6-30个碳原子,和
-得自烯属不饱和羧酸的至少一种羟烷基酯B3的结构部分,所述酯B3具有在烷基中的至少一个羟基,和在烷基中的2-6个碳原子。
2.权利要求1的共聚物AB,其中所述乙烯基封端的聚硅氧烷A具有两个末端乙烯基且具有下式I:
其中,R1至R8彼此独立地选自具有1-8个碳原子的烷基,选自苯基和烷基苯基的芳基,所述烷基苯基具有在烷基中的1-9个碳原子,具有1-6个碳原子的卤代烷基,其中烷基的至少一个氢原子被选自F和Cl的卤素原子替代;和其中m和n彼此独立地为零或1-90的整数,其中m和n的总和m+n必须为至少6且不大于100。
3.权利要求2的共聚物AB,其中R1、R4、R5和R8为甲基,R2和R6均为甲基,和R3和R7均为乙基或苯基或它们是不同的,和R3为甲基而R7为1,1,1-三氟丙-3-基。
4.权利要求3的共聚物AB,其中n=0。
5.权利要求4的共聚物AB,其中对m的值进行选择,以使所述二乙烯基聚硅氧烷A的数均摩尔质量为500-7000g/mol。
6.前述权利要求任一项的共聚物AB,其中在所述烷基酯B1中,具有1-5个碳原子的烷基选自甲基、乙基、正丙基、异丙基、正丁基、异丁基、仲丁基、叔丁基、正戊基、仲戊基和叔戊基。
7.权利要求6的共聚物AB,其中所述烷基酯B1选自丙烯酸乙酯和丙烯酸正丁酯。
8.前述权利要求任一项的共聚物AB,其中在所述烷基酯B2中,具有6-30个碳原子的烷基选自正己基、正庚基、正辛基、2-乙基己基、正壬基、2-壬基、十二烷基、十三烷基、十五烷基和十八烷基,其中包括所述烷基的直链和支链异构体。
9.权利要求8的共聚物AB,其中所述烷基酯B2选自己基丙烯酸酯和2-乙基-己基丙烯酸酯。
10.前述权利要求任一项的共聚物AB,其中所述羟烷基酯B3具有在烷基中的至少一个羟基和在烷基中的2-6个碳原子,和选自羟基乙基(甲基)丙烯酸酯,羟基丙基(甲基)丙烯酸酯,其中包括3-羟基丙基酯,以及2-羟基-1-丙基(甲基)丙烯酸酯和1-羟基-2-丙基(甲基)丙烯酸酯的异构体混合物。
11.权利要求10的共聚物AB,其中所述羟烷基酯B3选自羟基乙基丙烯酸酯以及2-羟基-1-丙基丙烯酸酯和1-羟基-2-丙基丙烯酸酯的异构体混合物。
12.前述权利要求任一项的共聚物,其包括以下质量分数w的得自所述单体的重复单元:
对于二乙烯基封端的聚硅氧烷A,w(A)为0.5-4.5%;
对于所述烷基酯B1,w(B1)为30-85%;
对于所述烷基酯B2,w(B2)为5-55%;
对于所述羟烷基酯B3,w(B3)为5-20%。
13.前述权利要求任一项的共聚物AB,其具有1.5-6kg/mol的数均摩尔质量Mn,和2.5-40kg/mol的质均摩尔质量Mw,其中数值为通过GPC测量的聚苯乙烯当量。
14.采用权利要求1的共聚物AB作为涂料组合物的流动改性剂的方法,所述涂料组合物包含至少粘结剂树脂以及任选的溶剂、添加剂、颜料、着色剂、交联剂和催化剂中的一种或多种,其中所述共聚物AB以0.05-5%的质量分数存在于所述涂料组合物中。
15.包含权利要求1的共聚物AB的涂料组合物。
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- 2014-12-16 EP EP14198379.1A patent/EP3034573A1/en not_active Withdrawn
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2015
- 2015-12-08 JP JP2017527265A patent/JP6688299B2/ja active Active
- 2015-12-08 CN CN201580056676.5A patent/CN107075122B/zh active Active
- 2015-12-08 KR KR1020177012887A patent/KR102341194B1/ko active Active
- 2015-12-08 PL PL15805505T patent/PL3234048T3/pl unknown
- 2015-12-08 US US15/525,617 patent/US10844155B2/en active Active
- 2015-12-08 SI SI201530495T patent/SI3234048T1/sl unknown
- 2015-12-08 WO PCT/EP2015/078961 patent/WO2016096537A1/en active Application Filing
- 2015-12-08 ES ES15805505.3T patent/ES2693057T3/es active Active
- 2015-12-08 CA CA2963726A patent/CA2963726C/en active Active
- 2015-12-08 BR BR112017008336-1A patent/BR112017008336B1/pt active IP Right Grant
- 2015-12-08 EP EP15805505.3A patent/EP3234048B1/en active Active
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2019
- 2019-01-11 US US16/245,486 patent/US10851193B2/en active Active
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- 2020-01-29 JP JP2020012198A patent/JP2020079403A/ja not_active Withdrawn
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US20170320991A1 (en) | 2017-11-09 |
SI3234048T1 (sl) | 2019-01-31 |
PL3234048T3 (pl) | 2019-05-31 |
CA2963726C (en) | 2022-10-18 |
BR112017008336A2 (pt) | 2017-12-19 |
JP2018505233A (ja) | 2018-02-22 |
JP2020079403A (ja) | 2020-05-28 |
EP3234048A1 (en) | 2017-10-25 |
US20190144588A1 (en) | 2019-05-16 |
ES2693057T3 (es) | 2018-12-07 |
WO2016096537A1 (en) | 2016-06-23 |
EP3234048B1 (en) | 2018-09-12 |
CN107075122B (zh) | 2020-04-07 |
EP3034573A1 (en) | 2016-06-22 |
JP6688299B2 (ja) | 2020-04-28 |
CA2963726A1 (en) | 2016-06-23 |
KR102341194B1 (ko) | 2021-12-20 |
US10844155B2 (en) | 2020-11-24 |
US10851193B2 (en) | 2020-12-01 |
BR112017008336B1 (pt) | 2022-07-12 |
KR20170094139A (ko) | 2017-08-17 |
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