WO2022258476A1 - Composés d'ammonium quaternaire encapsulés et leur procédé de préparation - Google Patents
Composés d'ammonium quaternaire encapsulés et leur procédé de préparation Download PDFInfo
- Publication number
- WO2022258476A1 WO2022258476A1 PCT/EP2022/065016 EP2022065016W WO2022258476A1 WO 2022258476 A1 WO2022258476 A1 WO 2022258476A1 EP 2022065016 W EP2022065016 W EP 2022065016W WO 2022258476 A1 WO2022258476 A1 WO 2022258476A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- quaternary ammonium
- paint composition
- diisocyanate
- core
- Prior art date
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- 150000003856 quaternary ammonium compounds Chemical class 0.000 title claims abstract description 91
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000008569 process Effects 0.000 title abstract description 9
- 238000002360 preparation method Methods 0.000 title abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 130
- 239000003973 paint Substances 0.000 claims abstract description 74
- -1 silica, fumed metal oxides Chemical class 0.000 claims description 85
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 70
- 239000001993 wax Substances 0.000 claims description 44
- 239000002736 nonionic surfactant Substances 0.000 claims description 32
- 239000000178 monomer Substances 0.000 claims description 25
- 125000004432 carbon atom Chemical group C* 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 12
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 12
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 12
- GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 claims description 12
- 230000005791 algae growth Effects 0.000 claims description 11
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- NAQMVNRVTILPCV-UHFFFAOYSA-N hexane-1,6-diamine Chemical compound NCCCCCCN NAQMVNRVTILPCV-UHFFFAOYSA-N 0.000 claims description 10
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 229920000768 polyamine Polymers 0.000 claims description 10
- 229920000642 polymer Polymers 0.000 claims description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- 125000003118 aryl group Chemical group 0.000 claims description 9
- 239000003822 epoxy resin Substances 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 9
- 229920000647 polyepoxide Polymers 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 9
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 claims description 9
- 239000004593 Epoxy Substances 0.000 claims description 8
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 8
- PXKLMJQFEQBVLD-UHFFFAOYSA-N bisphenol F Chemical compound C1=CC(O)=CC=C1CC1=CC=C(O)C=C1 PXKLMJQFEQBVLD-UHFFFAOYSA-N 0.000 claims description 8
- 229920001451 polypropylene glycol Polymers 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 7
- 229920001223 polyethylene glycol Polymers 0.000 claims description 7
- VILCJCGEZXAXTO-UHFFFAOYSA-N 2,2,2-tetramine Chemical compound NCCNCCNCCN VILCJCGEZXAXTO-UHFFFAOYSA-N 0.000 claims description 6
- PISLZQACAJMAIO-UHFFFAOYSA-N 2,4-diethyl-6-methylbenzene-1,3-diamine Chemical compound CCC1=CC(C)=C(N)C(CC)=C1N PISLZQACAJMAIO-UHFFFAOYSA-N 0.000 claims description 6
- RNLHGQLZWXBQNY-UHFFFAOYSA-N 3-(aminomethyl)-3,5,5-trimethylcyclohexan-1-amine Chemical compound CC1(C)CC(N)CC(C)(CN)C1 RNLHGQLZWXBQNY-UHFFFAOYSA-N 0.000 claims description 6
- NOWKCMXCCJGMRR-UHFFFAOYSA-N Aziridine Chemical compound C1CN1 NOWKCMXCCJGMRR-UHFFFAOYSA-N 0.000 claims description 6
- RPNUMPOLZDHAAY-UHFFFAOYSA-N Diethylenetriamine Chemical compound NCCNCCN RPNUMPOLZDHAAY-UHFFFAOYSA-N 0.000 claims description 6
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 6
- 229920002396 Polyurea Polymers 0.000 claims description 6
- 125000001931 aliphatic group Chemical group 0.000 claims description 6
- 239000004305 biphenyl Substances 0.000 claims description 6
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 claims description 6
- STIAPHVBRDNOAJ-UHFFFAOYSA-N carbamimidoylazanium;carbonate Chemical compound NC(N)=N.NC(N)=N.OC(O)=O STIAPHVBRDNOAJ-UHFFFAOYSA-N 0.000 claims description 6
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims description 6
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 claims description 6
- 239000005056 polyisocyanate Substances 0.000 claims description 6
- AMBFNDRKYCJLNH-UHFFFAOYSA-N 1-(3-piperidin-1-ylpropyl)piperidine Chemical compound C1CCCCN1CCCN1CCCCC1 AMBFNDRKYCJLNH-UHFFFAOYSA-N 0.000 claims description 5
- 235000010290 biphenyl Nutrition 0.000 claims description 5
- 229910044991 metal oxide Inorganic materials 0.000 claims description 5
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 230000001698 pyrogenic effect Effects 0.000 claims description 5
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 125000003545 alkoxy group Chemical group 0.000 claims description 4
- 125000002877 alkyl aryl group Chemical group 0.000 claims description 4
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 claims description 4
- 125000002768 hydroxyalkyl group Chemical group 0.000 claims description 4
- 150000004706 metal oxides Chemical class 0.000 claims description 4
- 229920003986 novolac Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 235000013772 propylene glycol Nutrition 0.000 claims description 4
- ZXHZWRZAWJVPIC-UHFFFAOYSA-N 1,2-diisocyanatonaphthalene Chemical compound C1=CC=CC2=C(N=C=O)C(N=C=O)=CC=C21 ZXHZWRZAWJVPIC-UHFFFAOYSA-N 0.000 claims description 3
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 claims description 3
- IKYNWXNXXHWHLL-UHFFFAOYSA-N 1,3-diisocyanatopropane Chemical compound O=C=NCCCN=C=O IKYNWXNXXHWHLL-UHFFFAOYSA-N 0.000 claims description 3
- VZXPHDGHQXLXJC-UHFFFAOYSA-N 1,6-diisocyanato-5,6-dimethylheptane Chemical compound O=C=NC(C)(C)C(C)CCCCN=C=O VZXPHDGHQXLXJC-UHFFFAOYSA-N 0.000 claims description 3
- FIXBBOOKVFTUMJ-UHFFFAOYSA-N 1-(2-aminopropoxy)propan-2-amine Chemical compound CC(N)COCC(C)N FIXBBOOKVFTUMJ-UHFFFAOYSA-N 0.000 claims description 3
- VOZKAJLKRJDJLL-UHFFFAOYSA-N 2,4-diaminotoluene Chemical compound CC1=CC=C(N)C=C1N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 claims description 3
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 3
- YBRVSVVVWCFQMG-UHFFFAOYSA-N 4,4'-diaminodiphenylmethane Chemical compound C1=CC(N)=CC=C1CC1=CC=C(N)C=C1 YBRVSVVVWCFQMG-UHFFFAOYSA-N 0.000 claims description 3
- AHIPJALLQVEEQF-UHFFFAOYSA-N 4-(oxiran-2-ylmethoxy)-n,n-bis(oxiran-2-ylmethyl)aniline Chemical compound C1OC1COC(C=C1)=CC=C1N(CC1OC1)CC1CO1 AHIPJALLQVEEQF-UHFFFAOYSA-N 0.000 claims description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 3
- MRNZSTMRDWRNNR-UHFFFAOYSA-N bis(hexamethylene)triamine Chemical compound NCCCCCCNCCCCCCN MRNZSTMRDWRNNR-UHFFFAOYSA-N 0.000 claims description 3
- GHWVXCQZPNWFRO-UHFFFAOYSA-N butane-2,3-diamine Chemical compound CC(N)C(C)N GHWVXCQZPNWFRO-UHFFFAOYSA-N 0.000 claims description 3
- KORSJDCBLAPZEQ-UHFFFAOYSA-N dicyclohexylmethane-4,4'-diisocyanate Chemical compound C1CC(N=C=O)CCC1CC1CCC(N=C=O)CC1 KORSJDCBLAPZEQ-UHFFFAOYSA-N 0.000 claims description 3
- 150000002009 diols Chemical class 0.000 claims description 3
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Natural products C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 3
- 229940093476 ethylene glycol Drugs 0.000 claims description 3
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000004312 hexamethylene tetramine Substances 0.000 claims description 3
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims description 3
- NIMLQBUJDJZYEJ-UHFFFAOYSA-N isophorone diisocyanate Chemical compound CC1(C)CC(N=C=O)CC(C)(CN=C=O)C1 NIMLQBUJDJZYEJ-UHFFFAOYSA-N 0.000 claims description 3
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 claims description 3
- 150000004986 phenylenediamines Chemical class 0.000 claims description 3
- 229920001228 polyisocyanate Polymers 0.000 claims description 3
- 238000006116 polymerization reaction Methods 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- ZNZJJSYHZBXQSM-UHFFFAOYSA-N propane-2,2-diamine Chemical compound CC(C)(N)N ZNZJJSYHZBXQSM-UHFFFAOYSA-N 0.000 claims description 3
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims description 3
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 claims description 3
- CVHZOJJKTDOEJC-UHFFFAOYSA-M 1,1-dioxo-1,2-benzothiazol-3-olate Chemical group C1=CC=C2C([O-])=NS(=O)(=O)C2=C1 CVHZOJJKTDOEJC-UHFFFAOYSA-M 0.000 claims description 2
- QLAJNZSPVITUCQ-UHFFFAOYSA-N 1,3,2-dioxathietane 2,2-dioxide Chemical group O=S1(=O)OCO1 QLAJNZSPVITUCQ-UHFFFAOYSA-N 0.000 claims description 2
- UWFRVQVNYNPBEF-UHFFFAOYSA-N 1-(2,4-dimethylphenyl)propan-1-one Chemical compound CCC(=O)C1=CC=C(C)C=C1C UWFRVQVNYNPBEF-UHFFFAOYSA-N 0.000 claims description 2
- BXGYYDRIMBPOMN-UHFFFAOYSA-N 2-(hydroxymethoxy)ethoxymethanol Chemical compound OCOCCOCO BXGYYDRIMBPOMN-UHFFFAOYSA-N 0.000 claims description 2
- HDPLHDGYGLENEI-UHFFFAOYSA-N 2-[1-(oxiran-2-ylmethoxy)propan-2-yloxymethyl]oxirane Chemical compound C1OC1COC(C)COCC1CO1 HDPLHDGYGLENEI-UHFFFAOYSA-N 0.000 claims description 2
- SEFYJVFBMNOLBK-UHFFFAOYSA-N 2-[2-[2-(oxiran-2-ylmethoxy)ethoxy]ethoxymethyl]oxirane Chemical compound C1OC1COCCOCCOCC1CO1 SEFYJVFBMNOLBK-UHFFFAOYSA-N 0.000 claims description 2
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 claims description 2
- MECNWXGGNCJFQJ-UHFFFAOYSA-N 3-piperidin-1-ylpropane-1,2-diol Chemical compound OCC(O)CN1CCCCC1 MECNWXGGNCJFQJ-UHFFFAOYSA-N 0.000 claims description 2
- FAUAZXVRLVIARB-UHFFFAOYSA-N 4-[[4-[bis(oxiran-2-ylmethyl)amino]phenyl]methyl]-n,n-bis(oxiran-2-ylmethyl)aniline Chemical compound C1OC1CN(C=1C=CC(CC=2C=CC(=CC=2)N(CC2OC2)CC2OC2)=CC=1)CC1CO1 FAUAZXVRLVIARB-UHFFFAOYSA-N 0.000 claims description 2
- NHJIDZUQMHKGRE-UHFFFAOYSA-N 7-oxabicyclo[4.1.0]heptan-4-yl 2-(7-oxabicyclo[4.1.0]heptan-4-yl)acetate Chemical compound C1CC2OC2CC1OC(=O)CC1CC2OC2CC1 NHJIDZUQMHKGRE-UHFFFAOYSA-N 0.000 claims description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical group [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 claims description 2
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical compound CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 claims description 2
- 239000004952 Polyamide Substances 0.000 claims description 2
- 239000002202 Polyethylene glycol Substances 0.000 claims description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 claims description 2
- NJYZCEFQAIUHSD-UHFFFAOYSA-N acetoguanamine Chemical compound CC1=NC(N)=NC(N)=N1 NJYZCEFQAIUHSD-UHFFFAOYSA-N 0.000 claims description 2
- 150000001450 anions Chemical group 0.000 claims description 2
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 2
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 claims description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 229930003836 cresol Natural products 0.000 claims description 2
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 2
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 229910021485 fumed silica Inorganic materials 0.000 claims description 2
- 150000004820 halides Chemical group 0.000 claims description 2
- QVTWBMUAJHVAIJ-UHFFFAOYSA-N hexane-1,4-diol Chemical compound CCC(O)CCCO QVTWBMUAJHVAIJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000011065 in-situ storage Methods 0.000 claims description 2
- 239000012948 isocyanate Substances 0.000 claims description 2
- 150000002513 isocyanates Chemical class 0.000 claims description 2
- 150000007522 mineralic acids Chemical class 0.000 claims description 2
- 239000012170 montan wax Substances 0.000 claims description 2
- KQSABULTKYLFEV-UHFFFAOYSA-N naphthalene-1,5-diamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1N KQSABULTKYLFEV-UHFFFAOYSA-N 0.000 claims description 2
- 150000007524 organic acids Chemical class 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 229920002647 polyamide Polymers 0.000 claims description 2
- 229920005646 polycarboxylate Polymers 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229920005862 polyol Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 claims 1
- RUELTTOHQODFPA-UHFFFAOYSA-N toluene 2,6-diisocyanate Chemical compound CC1=C(N=C=O)C=CC=C1N=C=O RUELTTOHQODFPA-UHFFFAOYSA-N 0.000 claims 1
- 230000001098 anti-algal effect Effects 0.000 abstract description 7
- 150000001875 compounds Chemical class 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000194 fatty acid Substances 0.000 description 42
- 239000004094 surface-active agent Substances 0.000 description 39
- 235000014113 dietary fatty acids Nutrition 0.000 description 34
- 229930195729 fatty acid Natural products 0.000 description 34
- 239000000049 pigment Substances 0.000 description 32
- 229940027983 antiseptic and disinfectant quaternary ammonium compound Drugs 0.000 description 31
- 150000004665 fatty acids Chemical class 0.000 description 26
- 125000000217 alkyl group Chemical group 0.000 description 22
- 238000009472 formulation Methods 0.000 description 21
- NECRQCBKTGZNMH-UHFFFAOYSA-N 3,5-dimethylhex-1-yn-3-ol Chemical compound CC(C)CC(C)(O)C#C NECRQCBKTGZNMH-UHFFFAOYSA-N 0.000 description 18
- KWIUHFFTVRNATP-UHFFFAOYSA-N glycine betaine Chemical compound C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 description 12
- 239000000047 product Substances 0.000 description 12
- 150000002148 esters Chemical class 0.000 description 11
- 239000003945 anionic surfactant Substances 0.000 description 10
- XMTQQYYKAHVGBJ-UHFFFAOYSA-N 3-(3,4-DICHLOROPHENYL)-1,1-DIMETHYLUREA Chemical compound CN(C)C(=O)NC1=CC=C(Cl)C(Cl)=C1 XMTQQYYKAHVGBJ-UHFFFAOYSA-N 0.000 description 9
- 239000002270 dispersing agent Substances 0.000 description 9
- 150000002191 fatty alcohols Chemical class 0.000 description 9
- 239000000945 filler Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 238000003756 stirring Methods 0.000 description 9
- 239000005510 Diuron Substances 0.000 description 8
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 8
- 229910052708 sodium Inorganic materials 0.000 description 8
- 239000011734 sodium Substances 0.000 description 8
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- 239000003139 biocide Substances 0.000 description 7
- 239000004615 ingredient Substances 0.000 description 7
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- LXOFYPKXCSULTL-UHFFFAOYSA-N 2,4,7,9-tetramethyldec-5-yne-4,7-diol Chemical compound CC(C)CC(C)(O)C#CC(C)(O)CC(C)C LXOFYPKXCSULTL-UHFFFAOYSA-N 0.000 description 6
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- GPRLSGONYQIRFK-MNYXATJNSA-N triton Chemical compound [3H+] GPRLSGONYQIRFK-MNYXATJNSA-N 0.000 description 6
- QTDIEDOANJISNP-UHFFFAOYSA-N 2-dodecoxyethyl hydrogen sulfate Chemical compound CCCCCCCCCCCCOCCOS(O)(=O)=O QTDIEDOANJISNP-UHFFFAOYSA-N 0.000 description 5
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 5
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 5
- 229930006000 Sucrose Natural products 0.000 description 5
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 description 5
- MRUAUOIMASANKQ-UHFFFAOYSA-N cocamidopropyl betaine Chemical group CCCCCCCCCCCC(=O)NCCC[N+](C)(C)CC([O-])=O MRUAUOIMASANKQ-UHFFFAOYSA-N 0.000 description 5
- 229940073507 cocamidopropyl betaine Drugs 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 239000005720 sucrose Substances 0.000 description 5
- 239000002888 zwitterionic surfactant Substances 0.000 description 5
- 240000007817 Olea europaea Species 0.000 description 4
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 description 4
- 239000002671 adjuvant Substances 0.000 description 4
- 125000000129 anionic group Chemical group 0.000 description 4
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- 229920000847 nonoxynol Polymers 0.000 description 1
- 125000001400 nonyl 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])[H] 0.000 description 1
- 239000004843 novolac epoxy resin Substances 0.000 description 1
- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 description 1
- 229920002113 octoxynol Polymers 0.000 description 1
- XCOHAFVJQZPUKF-UHFFFAOYSA-M octyltrimethylammonium bromide Chemical compound [Br-].CCCCCCCC[N+](C)(C)C XCOHAFVJQZPUKF-UHFFFAOYSA-M 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-M oleate Chemical compound CCCCCCCC\C=C/CCCCCCCC([O-])=O ZQPPMHVWECSIRJ-KTKRTIGZSA-M 0.000 description 1
- 229940049964 oleate Drugs 0.000 description 1
- 125000001117 oleyl 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])=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])[H] 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- UJRBOEBOIXOEQK-UHFFFAOYSA-N oxo(oxochromiooxy)chromium hydrate Chemical compound O.O=[Cr]O[Cr]=O UJRBOEBOIXOEQK-UHFFFAOYSA-N 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 125000003538 pentan-3-yl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- DGBWPZSGHAXYGK-UHFFFAOYSA-N perinone Chemical compound C12=NC3=CC=CC=C3N2C(=O)C2=CC=C3C4=C2C1=CC=C4C(=O)N1C2=CC=CC=C2N=C13 DGBWPZSGHAXYGK-UHFFFAOYSA-N 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 229910052615 phyllosilicate Inorganic materials 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000223 polyglycerol Polymers 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229940082006 potassium cocoyl glutamate Drugs 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920005653 propylene-ethylene copolymer Polymers 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229910052903 pyrophyllite Inorganic materials 0.000 description 1
- FYNROBRQIVCIQF-UHFFFAOYSA-N pyrrolo[3,2-b]pyrrole-5,6-dione Chemical compound C1=CN=C2C(=O)C(=O)N=C21 FYNROBRQIVCIQF-UHFFFAOYSA-N 0.000 description 1
- IZMJMCDDWKSTTK-UHFFFAOYSA-N quinoline yellow Chemical compound C1=CC=CC2=NC(C3C(C4=CC=CC=C4C3=O)=O)=CC=C21 IZMJMCDDWKSTTK-UHFFFAOYSA-N 0.000 description 1
- WBHHMMIMDMUBKC-QJWNTBNXSA-M ricinoleate Chemical compound CCCCCC[C@@H](O)C\C=C/CCCCCCCC([O-])=O WBHHMMIMDMUBKC-QJWNTBNXSA-M 0.000 description 1
- 229940066675 ricinoleate Drugs 0.000 description 1
- 238000010058 rubber compounding Methods 0.000 description 1
- 108700004121 sarkosyl Proteins 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229910052624 sepiolite Inorganic materials 0.000 description 1
- 235000019355 sepiolite Nutrition 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 229940096501 sodium cocoamphoacetate Drugs 0.000 description 1
- 229940079781 sodium cocoyl glutamate Drugs 0.000 description 1
- 229940079776 sodium cocoyl isethionate Drugs 0.000 description 1
- MDSQKJDNWUMBQQ-UHFFFAOYSA-M sodium myreth sulfate Chemical compound [Na+].CCCCCCCCCCCCCCOCCOCCOCCOS([O-])(=O)=O MDSQKJDNWUMBQQ-UHFFFAOYSA-M 0.000 description 1
- 229950005425 sodium myristyl sulfate Drugs 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 229940102541 sodium trideceth sulfate Drugs 0.000 description 1
- GOJYXPWOUJYXJC-UHFFFAOYSA-M sodium;2-[1-(2-hydroxyethyl)-2-undecyl-4,5-dihydroimidazol-1-ium-1-yl]acetate;hydroxide Chemical compound [OH-].[Na+].CCCCCCCCCCCC1=NCC[N+]1(CCO)CC([O-])=O GOJYXPWOUJYXJC-UHFFFAOYSA-M 0.000 description 1
- KLYDBHUQNXKACI-UHFFFAOYSA-M sodium;2-[2-(2-tridecoxyethoxy)ethoxy]ethyl sulfate Chemical compound [Na+].CCCCCCCCCCCCCOCCOCCOCCOS([O-])(=O)=O KLYDBHUQNXKACI-UHFFFAOYSA-M 0.000 description 1
- ADWNFGORSPBALY-UHFFFAOYSA-M sodium;2-[dodecyl(methyl)amino]acetate Chemical compound [Na+].CCCCCCCCCCCCN(C)CC([O-])=O ADWNFGORSPBALY-UHFFFAOYSA-M 0.000 description 1
- HFQQZARZPUDIFP-UHFFFAOYSA-M sodium;2-dodecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O HFQQZARZPUDIFP-UHFFFAOYSA-M 0.000 description 1
- UPUIQOIQVMNQAP-UHFFFAOYSA-M sodium;tetradecyl sulfate Chemical compound [Na+].CCCCCCCCCCCCCCOS([O-])(=O)=O UPUIQOIQVMNQAP-UHFFFAOYSA-M 0.000 description 1
- HQCFDOOSGDZRII-UHFFFAOYSA-M sodium;tridecyl sulfate Chemical compound [Na+].CCCCCCCCCCCCCOS([O-])(=O)=O HQCFDOOSGDZRII-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- SFVFIFLLYFPGHH-UHFFFAOYSA-M stearalkonium chloride Chemical compound [Cl-].CCCCCCCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 SFVFIFLLYFPGHH-UHFFFAOYSA-M 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-L succinate(2-) Chemical compound [O-]C(=O)CCC([O-])=O KDYFGRWQOYBRFD-UHFFFAOYSA-L 0.000 description 1
- 150000003445 sucroses Chemical class 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- YIEDHPBKGZGLIK-UHFFFAOYSA-L tetrakis(hydroxymethyl)phosphanium;sulfate Chemical compound [O-]S([O-])(=O)=O.OC[P+](CO)(CO)CO.OC[P+](CO)(CO)CO YIEDHPBKGZGLIK-UHFFFAOYSA-L 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- JOUDBUYBGJYFFP-FOCLMDBBSA-N thioindigo Chemical compound S\1C2=CC=CC=C2C(=O)C/1=C1/C(=O)C2=CC=CC=C2S1 JOUDBUYBGJYFFP-FOCLMDBBSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 125000005208 trialkylammonium group Chemical group 0.000 description 1
- 229960003500 triclosan Drugs 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-O triethanolammonium Chemical compound OCC[NH+](CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-O 0.000 description 1
- 235000013799 ultramarine blue Nutrition 0.000 description 1
- 229940124543 ultraviolet light absorber Drugs 0.000 description 1
- 125000002948 undecyl 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])[H] 0.000 description 1
- 150000004670 unsaturated fatty acids Chemical class 0.000 description 1
- 235000021122 unsaturated fatty acids Nutrition 0.000 description 1
- LSGOVYNHVSXFFJ-UHFFFAOYSA-N vanadate(3-) Chemical compound [O-][V]([O-])([O-])=O LSGOVYNHVSXFFJ-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229940043810 zinc pyrithione Drugs 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
- PICXIOQBANWBIZ-UHFFFAOYSA-N zinc;1-oxidopyridine-2-thione Chemical compound [Zn+2].[O-]N1C=CC=CC1=S.[O-]N1C=CC=CC1=S PICXIOQBANWBIZ-UHFFFAOYSA-N 0.000 description 1
- UQMZPFKLYHOJDL-UHFFFAOYSA-N zinc;cadmium(2+);disulfide Chemical compound [S-2].[S-2].[Zn+2].[Cd+2] UQMZPFKLYHOJDL-UHFFFAOYSA-N 0.000 description 1
- DRDVZXDWVBGGMH-UHFFFAOYSA-N zinc;sulfide Chemical compound [S-2].[Zn+2] DRDVZXDWVBGGMH-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P13/00—Herbicides; Algicides
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
- A01N33/02—Amines; Quaternary ammonium compounds
- A01N33/12—Quaternary ammonium compounds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01P—BIOCIDAL, PEST REPELLANT, PEST ATTRACTANT OR PLANT GROWTH REGULATORY ACTIVITY OF CHEMICAL COMPOUNDS OR PREPARATIONS
- A01P1/00—Disinfectants; Antimicrobial compounds or mixtures thereof
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/10—Encapsulated ingredients
Definitions
- the present invention relates to encapsulated quaternary ammonium compounds and their use in paint compositions.
- the present invention also relates to paint compositions comprising such encapsulated quaternary ammonium compounds.
- Biocides are chemical compounds that are known to inhibit the growth or kill microorganisms such as bacteria, algae, fungus, viruses and parasites. Therefore, these have been extensively used in application areas such as paints and coatings, marine, building and construction, medicines, agriculture, home care and consumer care products. In the area of paints and coatings, these biocides can act as both in- can and dry-film preservatives.
- biocidal compounds used in the area of paints and coatings are n-(3,4-dichlorophenyl)-n, n-dimethyl urea (Diuron), triclosan, 4, 5-dichloro-2-n-octyl-3(2H)-isothiazolone (DCOIT), 2-n-octyl-3(2H)- isothiazolone (OIT), zinc pyrithione, benzisothiazolone (BIT), alkyl derivatives thereof, and mixtures thereof.
- DCOIT 5-dichloro-2-n-octyl-3(2H)-isothiazolone
- OIT 2-n-octyl-3(2H)- isothiazolone
- BIT benzisothiazolone
- Diuron acts as an algaecide. Though, it is categorized as carcinogenic category 2, Diuron has been widely used for coating either as free active ingredient or in combination with other biocides or by encapsulating the compound with polymeric shell such as urea-formaldehyde, melamine-formaldehyde, polyurea, etc (EP2801256A1 , EP2967032A1 ).
- polymeric shell such as urea-formaldehyde, melamine-formaldehyde, polyurea, etc.
- the availability in ample amount, easy processibility in the paint, low cost and achievement of desired performance makes Diuron a preferred candidate for antialgal application.
- usage of Diuron in excess and usage of hazardous materials like formaldehyde/polyisocyanate in the encapsulation process causes environmental hazards to human and aquatic life due to their carcinogenic nature.
- QAC Quaternary ammonium compounds
- Prior art (WO 2013095743 A1) has tried to overcome this problem of gelation by complexing the QAC with compatible polymers.
- the publication describes an antimicrobial paint formulation comprising quaternary ammonium compound, latex polymer, pigments and water.
- the latex binder resins are selected based on their compatibility with the QAC and thereby precipitation of QAC is prevented.
- the publication describes that the QAC can be encapsulated in a microcapsule, details of encapsulation are not provided.
- the publication further mentions that QAC from these microcapsules gets released when the paint dries off causing the microcapsules to burst upon drying.
- it fails to show the release of the encapsulated QAC and also fails to demonstrate stability of the paint formulation containing QAC in an encapsulated form and the antimicrobial activity of that formulation.
- EP 0328335A1 , US 5096488 A and US 4990557A describe coating compositions with long-lasting anti-fouling properties, comprising QACs and inorganic fillers.
- the fillers used are in very low percentage (upto 20%) and therefore, incapable of acting as entrapping agents for the QACs. They have only been used to increase the bulk of the compositions.
- US20160183520 A1 discloses co-encapsulated biocides including QACs by chemisorption method, however, the process for encapsulation is lengthy and cumbersome requiring more than 72 hours for completion. Also, the QACs are used to modify clay and make it hydrophobic and hence, higher loading of the QAC cannot be achieved.
- CN105746513 discloses the use of QACs for killing underwater organisms by mixing them with carriers such as attapulgite clay and quartz sand. This may be then coated with a sustained release film.
- the sustained release film used is such that can only prolong the release for 48 hours and not more. Also, the process involves purification of the carrier and hence, has multiple steps and is cumbersome.
- the present invention provides for a stable paint composition
- a stable paint composition comprising an encapsulated quaternary ammonium compound, which is in form of a core comprising a blend of at least one quaternary ammonium compound with at least one non-ionic surfactant, wherein said blend is entrapped in an inorganic carrier, wherein, the non-ionic surfactant has a HLB value above 7, and wherein the inorganic carrier comprises from 30 to 80 wt.-% of the core.
- the invention provides for a method of preparing paint compositions comprising encapsulated quaternary ammonium compounds, comprising i. blending at least one quaternary ammonium compound with at least one non-ionic surfactant and optionally at least one wax, ii. entrapping this blend in an inorganic carrier to form a core, and iii. optionally coating the core with a first monomer and then optionally with a second monomer to form a polymeric shell by polymerization of said monomer or monomers, wherein the method is solvent-free.
- the encapsulated quaternary ammonium compounds when added to paint formulations, provide improved stability to the paint formulations during in-can storage. They also show antimicrobial efficacy and offer controlled release of the QAC post application i.e. , from dry film.
- the encapsulated quaternary ammonium compounds also provide better compatibility with the paint formulations, do not show gelation or precipitation in the paint formulations and hence, exhibit improved storage stability.
- Relative humidity refers to the ratio (stated as a percent) of the moisture content of air compared to the saturated moisture level at the same temperature and pressure. Relative humidity can be measured with a hygrometer, in particular with a probe hygrometer from VWR ® International.
- min means “minute” or “minutes”.
- mol means mole.
- g following a number means “gram” or “grams”.
- Ex.” means “example”. All amounts as they pertain to listed ingredients are based on the active level (‘solids’) and do not include carriers or by-products that may be included in commercially available materials.
- “comprising” means that other steps and other ingredients can be in addition.
- compositions, formulations, methods, uses, kits, and processes of the present invention can comprise, consist of, and consist essentially of the elements and limitations of the invention described herein, as well as any of the additional or optional ingredients, components, steps, or limitations described herein.
- Embodiments and aspects described herein may comprise or be combinable with elements, features or components of other embodiments and/or aspects despite not being expressly exemplified in combination, unless an incompatibility is stated.
- “In at least one embodiment” means that one or more embodiments, optionally all embodiments or a large subset of embodiments, of the present invention has/have the subsequently described feature. Where amount ranges are given, these are to be understood as being the total amount of said ingredient in the composition, or where more than one species fall within the scope of the ingredient definition, the total amount of all ingredients fitting that definition, in the composition.
- Quaternary ammonium compounds refers to salts of quaternary ammonium compounds and are explained in detail below, and which act as algicidal/ antimicrobial agents.
- Water-soluble refers to any material that is sufficiently soluble in water to form a clear solution to the naked eye at a concentration of 0.1 % by weight of the material in water at 25°C.
- water-insoluble refers to any material that is not “water-soluble”.
- Core refers to the blend of at least one quaternary ammonium compound and at least one nonionic surfactants being entrapped in an inorganic carrier.
- the present invention relates to stable paint compositions comprising encapsulated quaternary ammonium compounds comprising a core which has at least one quaternary ammonium compound (a) of the formula (I) wherein at least one of R 1 , R 2 , R 3 and R 4 are each selected from an aliphatic group of from 8 to 30 carbon atoms, an aromatic, alkoxy, polyoxyalkylene, alkylamido, hydroxyalkyl, aryl, or an alkylaryl group having up to 22 carbon atoms; the remainder of R 1 , R 2 , R 3 and R 4 are independently selected from the group consisting of an aliphatic group consisting of from 1 to 22 carbon atoms, and an aromatic, alkoxy, polyoxyalkylene, alkylamido, hydroxyalkyl, aryl or alkylaryl group having up to 22 carbon atoms; and X is selected from the group consisting of halide, carbonate, methosulfate, sacchar
- quaternary ammonium compounds include, but are not limited to n-alkyl (Cs-Cis) dimethyl benzyl ammonium chlorides, benzalkonium chloride (where the alkyl side chain is Cs, Cio, C12, Cu, C16 or C18 or mixtures thereof), n-alkyl (Cs-Cis) dimethyl ethylbenzyl ammonium chlorides, dialkyl dimethyl ammonium chlorides (where the alkyl side chain is C6-C12), n-alkyl dimethyl benzyl ammonium chloride, and didecyl dimethyl ammonium chloride, octyl decyl dimethyl ammonium chloride, dioctyl dimethyl ammonium chloride, didecyl dimethyl ammonium chloride, octyl-trimethylammonium bromide, decyl- trimethyl-ammonium chloride, didecyl-dimethylamrnon
- a variety of useful quaternary ammonium compounds are commercially available including, but not limited to Barquat ® MB-50, Barquat ® MB ⁇ 8Q, and Bardac ® 2250 quaternary ammonium compounds available from Lonza, Inc., BTC ® 1 Q10, BTC ® 2125, BTC ® 818-S0% available from Stepan Company, Dodigen 1611 , Clouding Quat 158, Dodigen 226,
- the quaternary ammonium compounds (a) of the present invention are further optionally blended with at least one wax (b), which is water soluble or water insoluble.
- Waxes are organic compounds that contain long alkyl chains. They may also contain various functional groups, such as fatty acids, primary and secondary long chain alcohols, unsaturated bonds, aromatics, amides, ketones and aldehydes. Waxes frequently contain fatty acid esters.
- Waxes (b) that may be used in the present invention may, for example, be synthetic waxes, animal-derived waxes, plant-derived waxes or montan waxes.
- the at least one wax (b) is a water-insoluble wax.
- Preferred waxes comprise mono esters. Also preferred waxes comprise fatty acid esters.
- esters of fatty acids with fatty alcohols comprise esters of fatty acids with fatty alcohols.
- esters of fatty acids with fatty alcohols are esters of fatty acids having 8 to 24 carbon atoms with fatty alcohols having 8 to 24 carbon atoms, preferably esters of fatty acids having 8 to 20 carbon atoms with fatty alcohols having 8 to 20 carbon atoms, more preferably esters of fatty acids having 12 to 18 carbon atoms with fatty alcohols having 12 to 18 carbon atoms, particularly preferably esters of fatty acids having 14 to 18 carbon atoms with fatty alcohols having 14 to 18 carbon atoms.
- the fatty acids may be saturated and/or unsaturated. Unsaturated fatty acids may have one or more carbon-carbon double bonds. Preferably, the fatty acids are saturated.
- the waxes (b) have melting points in the range of 40 - 120°C, more preferably from 45 - 110°C, and most preferably from 50 - 100°C.
- a particularly preferred wax (b) comprises partly saponified ester of montanic acid, which is commercially available, e.g., as Ceridust ® 5551. Its melting point is in the range of from 86 to 98°C.
- Another particularly preferred wax (b) is an amorphous low molecular weight propylene-ethylene-copolymer wax, which is commercially available, e.g., as Licocene ® PP 1302. Its melting point is in the range of from 87 to 93°C.
- crystolive wax is another particularly preferred wax (b) is crystolive wax.
- Crystolive wax (INCI name: Olea Europaea (Olive) Oil Unsaponifiables) is a wax present in the unsaponifiable fraction of olive oil. Its melting point is in the range of from 46 to 56°C.
- Another particularly preferred wax (b) is olive wax.
- Olive wax (INCI name: Hydrogenated Olive Oil) is a natural wax derived from pure olive oil. Its melting point is in the range of from 58 to 66°C.
- cetyl palmitate is a water- insoluble wax derived from sperm whales and coral reefs. Its melting point is in the range of from 50 to 55°C.
- the amount of wax (b) that is blended with the quaternary ammonium compounds (a) ranges from 1 to 20 wt.-%, more preferably from 5 to 15 wt.-% and most preferably from 7 to 12 wt.-% of at least one wax, based on the total weight of the encapsulated QAC.
- the quaternary ammonium compounds (a) are blended with at least one non-ionic surfactant (c) having a HLB value above 7.
- the amount of non-ionic surfactants (c) that can be blended with quaternary ammonium compounds (a) of the present invention can vary over a broad range.
- the composition of the invention comprises a total amount of surfactant of from 0.01 wt.-% to 20 wt.-%, from 0.1 wt.-% to 15%, from 1 wt.-% to 12%, from 2 wt.-% to 10 wt.-%.
- Preferred surfactants are water soluble surfactants.
- Non-ionic surfactants that can be included in compositions of the invention include condensation products of aliphatic primary or secondary linear or branched chain alcohols or phenols with alkylene oxides, usually ethylene oxide and generally having from 6 to 30 ethylene oxide groups.
- the non ionic surfactants are alkyl ethoxylates having the formula:
- R-(OCH 2 CH 2 ) n OH where, R is an alkyl chain of C12 to C15, and n is 5 to 9.
- suitable non-ionic surfactants include mono- or di-alkyl alkanolamides. Examples include coco mono- or di-ethanolamide and coco mono-isopropanolamide.
- APG alkyl polyglycosides
- APG is one which comprises an alkyl group connected (optionally via a bridging group) to a block of one or more glycosyl groups.
- Preferred APGs are defined by the following formula:
- R is a branched or straight chain alkyl group which may be saturated or unsaturated and G is a saccharide group.
- R may represent a mean alkyl chain length of from about C5 to about C20.
- R represents a mean alkyl chain length of from about C9 to about C12.
- G may be selected from C5 or Ce monosaccharide residues and is preferably a glucoside.
- G may be selected from the group comprising glucose, xylose, lactose, fructose, mannose and derivatives thereof.
- G is glucose.
- the degree of polymerisation, n may have a value of from about 1 to about 10 or more. Most preferably the value of n lies from about 1 .3 to about 1 .5.
- Suitable alkyl polyglycosides for use in the invention are commercially available and include for example those materials identified as: Oramix NS 10 ex Seppic; Plantaren 1200 and Plantaren 2000 ex Henkel.
- sugar-derived non-ionic surfactants which can be included in compositions of the invention include the fatty (e.g. C-IO-C-IS) N-alkyl (Oi-Ob) polyhydroxy fatty acid amides, such as the C12-C18 N-methyl glucamides, as described for example in WO9206154 and US5194639, and the N-alkoxy polyhydroxy fatty acid amides.
- the non-ionic surfactant has an HLB (Hydrophilic Lipophilic Balance) of greater than 7.
- HLB Hydrophilic Lipophilic Balance
- Particularly preferred non-ionic surfactants are polyoxyethylene Ci2-Ci8-fatty alcohol ethers with ethoxylation degrees from 10 to 150 and preferably from 15 to 120 and more preferably being selected from the group consisting of ethoxylated lauryl alcohol and ethoxylated stearyl alcohol, each with ethoxylation degrees from 15 to 120 and mixtures thereof.
- the non-ionic surfactant has an HLB (Hydrophilic Lipophilic Balance) of greater than 12.
- the non-ionic surfactant is selected from the group consisting of ethoxylated or ethoxylated/propoxylated fatty alcohols with a fatty chain comprising from 12 to 22 carbon atoms, ethoxylated sterols, such as stearyl- or lauryl alcohol (EO-7), PEG-16 soya sterol or PEG-10 soya sterol, polyoxyethylene-polyoxypropylene block polymers (poloxamers), and mixtures thereof.
- HLB Hydrophilic Lipophilic Balance
- the non-ionic surfactant is selected from the group consisting of ethoxylated fatty alcohols, fatty acids, fatty acid glycerides or alkylphenols, in particular addition products of from 2 to 30 mol of ethylene oxide and/or 1 to 5 mol of propylene oxide onto Cs- to C22-fatty alcohols, onto C12- to C22-fatty acids or onto alkyl phenols having 8 to 15 carbon atoms in the alkyl group, C12- to C22-fatty acid mono- and diesters of addition products of from 1 to 30 mol of ethylene oxide onto glycerol, addition products of from 5 to 60 mol of ethylene oxide onto castor oil or onto hydrogenated castor oil, fatty acid sugar esters, in particular esters of sucrose and one or two Cs- to C22-fatty acids, INCI: Sucrose Cocoate, Sucrose Dilaurate, Sucrose Distearate, Sucrose Laurate, Sucrose Myristate, Su
- the non-ionic surfactant is selected from the group consisting of fatty alcohol ethoxylates (alkylpolyethylene glycols), alkylphenol polyethylene glycols, alkylmercaptan polyethylene glycols, fatty amine ethoxylates (alkylaminopolyethylene glycols), fatty acid ethoxylates (acylpolyethylene glycols), polypropylene glycol ethoxylates (Pluronics ® ), fatty acid alkylol amides, (fatty acid amide polyethylene glycols), N-alkyl-, N -a I koxy poly-hydroxy-fatty acid amide, sucrose esters, sorbitol esters, polyglycol ethers, and mixtures thereof.
- fatty alcohol ethoxylates alkylpolyethylene glycols
- alkylphenol polyethylene glycols alkylmercaptan polyethylene glycols
- fatty amine ethoxylates alkyla
- the composition of the invention comprises a fatty N-methyl-N-glucamide surfactant.
- the fatty N-methyl- N-glucamide surfactant conforms to the formula (X): wherein,
- R is a linear or branched alkyl or alkenyl group having from 3 to 30 carbon atoms.
- R is an alkyl group having from 3 to 30 carbon atoms.
- R is a saturated aliphatic hydrocarbon group which can be linear or branched and can have from 3 to 20 carbon atoms in the hydrocarbon chain, preferably linear or branched. Branched means that a lower alkyl group such as methyl, ethyl or propyl is present as substituent on a linear alkyl chain.
- R is selected from the group consisting of
- Suitable fatty N methyl-N-glucamide surfactants are described in WO2013/178700 and EP0550637, which are incorporated herein by reference.
- the N-methyl-N-glucamide surfactant is selected from those conforming to formula (X), wherein R is C12 alkyl or Cu alkyl.
- the N-methyl-N-glucamide surfactant is selected from those conforming to formula (X), wherein R is Ci6 alkyl or Ci8 alkyl.
- HLB value The nature of a surfactant can be represented by the hydrophilic- lipophilic balance of the molecule. The degree of this hydrophilic-lipophilic balance can be determined by calculating values for the different regions of the molecule, as described by Griffin in 1949 and 1954. Griffin's method has been primarily developed for non-ionic surfactants and uses the following formula:
- M h is the molecular mass of the hydrophilic portion of the molecule, and M is the molecular mass of the whole molecule, giving a result on a scale of 0 to 20.
- An HLB value of 0 corresponds to a completely lipophilic molecule, and an HLB value of 20 corresponds to a completely hydrophilic molecule.
- HLB value as used herein for non-ionic surfactants is calculated by the above formula.
- the method of Griffin is published, for example, in Journal of the Society of Cosmetic Chemists, 5 (4), 249-256 (1954).
- HLB value as used herein for anionic, or amphoteric surfactants is calculated by the method of Davies. This method is published, for example, in Gas/Liquid and Liquid/Liquid Interfaces. Proceedings of 2 nd International Congress Surface Activity, pp. 426-438, Butterworths, London 1957.
- the blend comprising the quaternary ammonium compounds of the present invention further is entrapped in an inorganic carrier.
- the inorganic carriers which may be used in the present invention are selected from precipitated silica, clay, zeolites, fumed metal oxides, pyrogenic metal oxides such as porous silica, pyrogenic aluminum oxide, fumed silica, silica gel, and combinations thereof.
- the pyrogenic metal oxides may be hydrophilic or hydrophobic and thus partially or fully alkylated.
- the inorganic carrier is precipitated silica selected from the group comprising of Sipernat ® 22; Sipernat ® 22LS, Sipernat ® 22S, Sipernat ® 2200, Sipernat ® 25, Sipernat ® 33, Sipernat ® 50, Sipernat ® 50S, Sipernat ® 500LS, Sipernat ® 101 M, Sipernat ® 120, Sipernat ® 160, Sipernat ® 186, Sipernat ® 218, Sipernat ® 266, Sipernat ® 268, Sipernat ® 288, Sipernat ® 298, Sipernat ® 303, Sipernat ® 306, Sipernat ® 310, Sipernat ® 320, Sipernat ® 320 DS, Sipernat ® 32s AP, Sipernat ® 32s C, Sipernat ® 340, Sipernat 310, Sipern
- the precipitated silica is characterized by a high liquid absorption capacity, determined as DOA absorption number of at least 120 ml/100g, preferably at least 140 ml/100g, more preferably at least 160 ml/100g precipitated silica.
- DOA is the abbreviation for di-(2-ethylhexyl) adipate (CAS-number 103-23-1 ).
- the test method is based on ISO 19246 (“Rubber compounding ingredients- Silica - Oil absorption of precipitated silica”) composition method.
- the inorganic carrier is clay selected from the group consisting of natural clays comprising bentonite, montmorillonite, beidellite, saponite, hectorite, stevensite, kerolite-saponite, kerolite, talc, pyrophyllite, attapulgite, sepiolite; a mixture of natural silica with a bentonite; any modified clays; and any mixtures thereof.
- the inorganic carrier used for entrapping the blend comprising the quaternary ammonium compound is precipitated silica.
- the amount of the inorganic carrier that may be used in accord with the present invention ranges from about 30 to 80%.
- the percentage means that the inorganic carrier accounts for 30 to 80 % of the weight of the core.
- the amount of the inorganic carrier ranges from about 35 to 70% and most preferably from about 40 to 60%.
- the core may optionally comprise additional surfactants selected from anionic or amphoteric surfactants or combinations thereof.
- Amphoteric or zwitterionic surfactants which can be included in the composition of the present invention are selected from the group consisting of N-(Ci2-Ci8)-alkyl-beta-aminopropionates and N-(Ci2-Ci8)-alkyl-beta-iminodipropionates as alkali metal salts and mono-, di-, and trialkylammonium salts; N-acylaminoalkyl-N,N-dimethylacetobetaine, preferably N- (C 8 -Ci 8 )-acylaminopropyl-N,N-dimethylacetobetaine, (Ci2-Ci8)-alkyl-dimethyl- sulfopropylbetaine, amphosurfactants based on imidazoline (trade name: Miranol ® , Steinapon ® ), preferably
- the core of the present invention comprises a betaine surfactant.
- the betaine surfactant is selected from Cs- to Ci 8 -alkylbetaines.
- the betaine surfactant is selected from the group consisting of cocodimethylcarboxymethylbetaine, lauryldimethylcarboxymethylbetaine, lauryldimethylalphacarboxyethylbetaine, cetyldimethylcarboxymethylbetaine, oleyldimethylgammacarboxypropylbetaine and laurylbis(2-hydroxypropyl)alphacarboxyethylbetaine and combinations thereof.
- the betaine surfactant is selected from Cs- to Ci 8 -sulfobetaines.
- the betaine surfactant is selected from the group consisting of cocodimethylsulfopropylbetaine, stearyldimethylsulfopropylbetaine, lauryldimethylsulfoethylbetaine, laurylbis(2-hydroxyethyl)sulfopropylbetaine, and combinations thereof.
- the betaine surfactant is selected from carboxyl derivatives of imidazole, the Cs- to C-is-alkyldimethylammonium acetates, the Os- to Ci8 alkyldimethylcarbonylmethylammonium salts, and the Cs- to Cis-fatty acid alkylamidobetaines, and mixtures thereof.
- the Cs- to Cis-fatty acid alkylamidobetaine is selected from coconut fatty acid amidopropylbetaine, N-coconut fatty acid amidoethyl-N-[2-(carboxymethoxy)ethyl]glycerol (CTFA name: cocoamphocarboxyglycinate), and mixtures thereof.
- a particularly preferred amphoteric or zwitterionic surfactant is cocam idopropyl betaine. Mixtures of any of the foregoing amphoteric or zwitterionic surfactants may also be suitable.
- Preferred mixtures are those of cocam idopropyl betaine with further amphoteric or zwitterionic surfactants as described above.
- a preferred further amphoteric or zwitterionic surfactant is sodium cocoamphoacetate.
- the core comprises a surfactant system.
- the surfactant system comprises at least one surfactant selected from the group consisting of lauryl sulfate, laureth sulfate, cocam idopropyl betaine, sodium cocoylglutamate, lauroamphoacetate, and mixtures thereof.
- the surfactant system comprises sodium laureth sulfate, sodium lauryl sulfate, and optionally cocam idopropyl betaine.
- the surfactant system comprises sodium laureth sulfate, potassium cocoylglutamate, and cocam idopropyl betaine.
- the core comprises an anionic surfactant.
- the anionic surfactant is selected from the group consisting of (Cio-C2o)-alkyl and alkylene carboxylates, alkyl ether carboxylates, fatty alcohol sulfates, fatty alcohol ether sulfates, alkylamide sulfates and sulfonates, fatty acid alkylamide polyglycol ether sulfates, alkanesulfonates and hydroxyalkanesulfonates, olefinsulfonates, acyl esters of isethionates, alpha-sulfo fatty acid esters, alkylbenzenesulfonates, alkylphenol glycol ether sulfonates, sulfosuccinates, sulfosuccinic monoesters and diesters, fatty alcohol ether phosphates, protein/fatty acid condensation products, alkyl monog
- the anionic surfactants can be used in the form of their water-soluble or water-dispersible salts, examples being the sodium, potassium, magnesium, ammonium, mono-, di-, and triethanolammonium, and analogous alkylammonium salts.
- the anionic surfactant is the salt of an anionic surfactant comprising 12 to 14 carbon atoms.
- the anionic surfactant is selected from the group consisting of sodium lauryl sulfate, sodium laureth sulfate, sodium tridecyl sulfate, sodium trideceth sulfate, sodium myristyl sulfate, sodium myreth sulfate, and mixtures thereof.
- Typical anionic surfactants for use in compositions of the invention include sodium oleyl succinate, ammonium lauryl sulphosuccinate, sodium lauryl sulphate, sodium lauryl ether sulphate, sodium lauryl ether sulphosuccinate, ammonium lauryl sulphate, ammonium lauryl ether sulphate, sodium dodecyl benzene sulphonate, triethanolamine dodecylbenzene sulphonate, sodium cocoyl isethionate, sodium lauryl isethionate, lauryl ether carboxylic acid and sodium N-lauryl sarcosinate.
- the core may comprise fatty acyl isethionate, if present preferably at a level of from 1 to 10 wt.-%, more preferably from 2 to 8 wt.-%, most preferably from 2.5 to 7.5 wt.-%.
- a preferred fatty acyl isethionate product comprises fatty acyl isethionate surfactant at a level of from 40 to 80 wt.-% of the product, as well as free fatty acid and/or fatty acid salt at a level of from 15 to 50%.
- greater than 20 wt.-% and less than 45 wt.-%, more preferably greater than 25 wt.-% and less than 45 wt.-% of the fatty acyl isethionate are of chain length greater than or equal to Cie; and greater than 50 wt.-%, preferably greater than 60 wt.-% of the free fatty acid/soap is of chain length Ci 6 to C20.
- the product may contain isethionate salts, which are present typically at levels less than 5 wt.-%, and traces (less than 2 wt.-%) of other impurities.
- a mixture of aliphatic fatty acids is used for the preparation of commercial fatty acyl isethionate surfactants.
- the resulting fatty acyl isethionate surfactants e.g., resulting from reaction of alkali metal isethionate and aliphatic fatty acid
- These longer chain fatty acyl isethionate surfactants and fatty acids i.e. fatty acyl group and fatty acid with 16 or more carbons, can typically form insoluble surfactant/fatty acid crystals in water at ambient temperatures.
- the core comprising the quaternary ammonium compounds is further optionally coated with a polymeric shell.
- Suitable polymers that can be used for coating the core may be selected from polyurea, polyurethanes, epoxy, cross-linked silicone fluids, polydivinyl chloride, polyesters, polyamides, polyacrylates, polycarboxylates, and mixtures thereof.
- the polymeric shell is comprised of polyacrylates selected from polyacrylate formed from methylmethacrylate/dimethylaminomethyl methacrylate, polyacrylate formed from amine acrylate and/or methacrylate and strong acid, polyacrylate formed from carboxylic acid acrylate and/or methacrylate monomer and strong base, polyacrylate formed from an amine acrylate and/or methacrylate monomer and a carboxylic acid acrylate and/or carboxylic acid methacrylate monomer, and mixtures thereof.
- the polymeric shell is comprised of polyurea, polyurethane or epoxy, and mixtures thereof.
- the polymeric shell comprises of polyurea.
- the polyurea comprises mixtures of poly-isocyanates and polyamine monomers. Examples of suitable polyisocyanates include 2,4- and
- TDI 2.6-toluene diisocyanate
- naphthalene diisocyanate diphenyl methane diisocyanate
- triphenyl methane-p,p'p"-trityl triisocyanate polymethylene polyphenylene isocyanate
- 2, 4, 4'-diphenylether triisocyanate 3,3'-dimethyl-4,4'- diphenyl diisocyanate, 3,3'-dimethoxy-4,4'diphenyl diisocyanate
- triphenylmethane 4,4', 4 triisocyanate Dicyclohexylmethane 4,4'-diisocyanate, hexamethylene
- IPDI isophorone diisocyanate
- trimethylene diisocyanate trimethylene diisocyanate
- propylene-1 ,2-diisocyanate butylene 1,2-diisocyanate and mixtures thereof.
- suitable polyamines include Aziridine PZ-33, Aziridine PZ-28, diethylene triamine (DETA), isophorone diamine (IPDA), hexamethylene diamine (HDA), Ethylene Diamine (EDA), Triethylenetetraamine (TETA), Tetraethylene Pentamine, 2,4,4'-Triaminodiphenylether, Bis(Hexamethylene) Triamine, Trimethylenedipiperidine (TMDP), Guanidine Carbonate (GUCA), Phenylene Diamine, Toluene Diamine, Pentamethylene Hexamine, 2,4-Diamino-6-Methyl-
- the polymeric shell comprises of polyurethanes.
- the polyurethanes comprise of mixtures of poly-isocyanate and diol monomers. Examples of suitable poly-isocyanates include 2,4- and
- TDI 2.6-toluene diisocyanate
- naphthalene diisocyanate diphenyl methane diisocyanate
- triphenyl methane-p p' p"-trityl triisocyanate
- polymethylene polyphenylene isocyanate 2,4,4'-diphenylether tri isocyanate, 3,3'-dimethyl-4,4'- diphenyl diisocyanate, 3,3'-dimethoxy-4,4'diphenyl diisocyanate, triphenylmethane 4,4', 4 triisocyanate, Dicyclohexylmethane 4,4'-diisocyanate, hexamethylene
- IPDI isophorone diisocyanate
- trimethylene diisocyanate trimethylene diisocyanate
- propylene-1 ,2-diisocyanate butylene 1 ,2-diisocyanate and mixtures thereof.
- diol monomers examples include Ethyleneglycol, diethylene glycol, propylene glycol, 1 ,4-butane diol, 1 ,4 hexane diol, dipropylene glycol, cyclohexyl 1 ,4 dimethanol, 1 ,8 octane diol and polyols such as poly (ethylene glycols), poly (propylene glycols), poly (tetramethylene glycols) and mixtures thereof.
- the polymeric shell comprises of epoxy or epoxy resins prepared from cross-linking reactions of epoxy resin and polyamines.
- Suitable epoxy resins are selected from the group comprising of aromatic, aliphatic epoxy resin, cycloaliphatic resin and Novolac Epoxy Resins.
- Suitable examples of epoxy resin are diglycidyl ether of bisphenol A (e.g. Lapox B 11 , Lapox B47 and Lapox ARB-22), diglycidyl ethers of bisphenol F, diglycidyl ether of bisphenol F and tetraglycidyl-4,4'-diaminodiphenylmethane, dodecanol glycidyl ether, trimethylolpropane triglycidyl ether, epoxy phenol novolacs (EPN), epoxy cresol novolacs (ECN), diglycidyl ether of butane diol (Butyl dioldiglycidyl ether),
- suitable polyamines include, but are not limited to, Aziridine PZ-33, Aziridine PZ-28, diethylene triamine (DETA), isophorone diamine (IPDA), hexamethylene diamine (FIDA), Ethylene Diamine (EDA), Triethylenetetraamine (TETA), Tetraethylene Pentamine, 2,4,4'-Triaminodiphenylether, Bis(Hexamethylene) Triamine, T rimethylenedipiperidine (TMDP), Guanidine Carbonate (GUCA), Phenylene Diamine, Toluene Diamine, Pentamethylene Hexamine, , 2,4-Diamino-6-Methyl-1 ,3,5-Triazine, 1 ,2-Diaminocyclohexane, 4,4'-Diaminodiphenylmethane, 1 ,5-Diaminonaphthalene, , Diamino Propane, Diaminobutane, Piperazine (PIP), Tetraethylenepentamine (T
- the polymers maybe present in an amount ranging from 5 to 25 wt -%, more preferably from 10 to 20 wt -% and most preferably from 12 to 16 wt -% by weight of the total weight of the encapsulated product.
- the loading of the quaternary ammonium compounds with respect to the total composition of encapsulated product can vary from 10 to 60 wt.-%, preferably in the range from 20 to 50 wt.-% and most preferably in the range from 30 to 40 wt.-%.
- the present invention relates to a method of preparing the encapsulated quaternary ammonium compounds according to the first aspect, comprising: i. blending at least one quaternary ammonium compound with at least one non-ionic surfactant and optionally at least one wax, ii. entrapping this blend in an inorganic carrier to form a core, and iii. optionally coating the core with a first monomer and then optionally with a second monomer to form an in-situ polymeric shell, wherein the method is solvent-free.
- the blend of the quaternary ammonium compound and the nonionic surfactant may be blended with at least one wax and/or at least one additional surfactant different from the nonionic surfactant.
- the blending of the quaternary ammonium compound and the nonionic surfactant with wax and/or additional surfactant is carried out in step (i) by melting the quaternary ammonium compound, nonionic surfactant and the wax and/or surfactant.
- the inorganic carrier is first heated to a temperature above the melting points of the wax and/or surfactant and then the blend of step (i) is added to the inorganic carrier, to form the core.
- the step (iii) is carried out in 4-5 sub-steps wherein the core is first coated with a first monomer to form a uniform coating on the inorganic carrier and then subsequently a second monomer is added to react with the first monomer to form the polymeric shell.
- the addition of the second monomer may be conducted over a period of 3-6 hours. In certain preferred embodiments, the addition of the second monomer may be carried out under heating at 30 to 60°C.
- the step (iii) occurs for at least 3 hours, more preferably at least 4 hours, even more preferably at least 5 hours, most preferably at least 6 hours.
- the step (iii) occurs at at least 60°C, more preferably at least 50°C, even more preferably at least 40°C.
- the steps (ii) and (iii) occur with stirring or spraying under solvent-free conditions.
- the encapsulated quaternary ammonium compounds of the present invention are manufactured by the method of the present invention.
- the process of the present invention is completely solvent-free and thereby a more environment-friendly and scalable method that does not involve the use of organic solvents and hence, prevents the complications in processing arising due to their use.
- the present invention also relates to encapsulated quaternary ammonium compounds obtained by the method of the present invention.
- the encapsulated quaternary ammonium compounds of the present invention can, for example, be used in paint compositions.
- the invention further relates to the use of the encapsulated quaternary ammonium compounds of the present invention in paint compositions. Preferred components are described further below.
- the encapsulated quaternary ammonium compounds described herein may be mixed with one or more further components to form stable paint compositions having long-lasting anti-algal benefit post-application.
- the encapsulated quaternary ammonium compounds may be present from about 0.05 to 4 wt.-%, preferably in the range from 0.08 to 3 wt.-% and most preferably in the range from 0.1 to 0.5 wt.-% in the paint compositions, based on the total weight of the composition.
- the paint composition of the invention comprises 0.05 wt.-%, 0.1 wt.-%, 0.2 wt.-%,
- wt.-% 0.3 wt.-%, 0.4 wt.-%, 0.5 wt.-%, 1.0 wt.-%, 1.5 wt.-%, 2.0 wt.-%, 2.5 wt.-%,
- the paint composition of the present invention comprises one or more further components, which can be in an amount of at least 0.01% by weight, preferably at least 0.05% by weight, more preferably at least 0.1% by weight, even more preferably at least 0.5% by weight, such as 0.5 to 20% by weight of the composition.
- the component is selected from the group consisting of antioxidants, thickeners, pH neutralizers, wetting agents, dispersing agents, defoaming agents, fillers, biocides, binders, extenders, coalescing agents, pigments, solubilizers, flow control assistants, stabilizers, preferably heat and/or high-temperature stabilizers, process stabilizers, and UV and/or light stabilizers, flame retardants, photoprotectants, deaerating agents, and the like.
- antioxidants preferably thickeners, pH neutralizers, wetting agents, dispersing agents, defoaming agents, fillers, biocides, binders, extenders, coalescing agents, pigments, solubilizers, flow control assistants, stabilizers, preferably heat and/or high-temperature stabilizers, process stabilizers, and UV and/or light stabilizers, flame retardants, photoprotectants, deaerating agents, and the like.
- pigment refers preferably to compounds in powder form or platelet form which are insoluble substantially, preferably completely, in the medium surrounding them, such as in the coating composition of the invention, for example. Pigments differ from “fillers” preferably in their refractive index, which for pigments is > 1.7. Examples of suitable pigments are selected from the group consisting of organic and inorganic, color-imparting and extender pigments.
- suitable inorganic color-imparting pigments are white pigments such as zinc white, zinc sulfide, or lithopone; black pigments such as carbon black, iron manganese black, or spinel black; chromatic pigments such as chromium oxide, chromium oxide hydrate green, cobalt green or ultramarine green, cobalt blue, ultramarine blue, or manganese blue, ultramarine violet or cobalt violet and manganese violet, red iron oxide, cadmium sulfoselenide, molybdate red or ultramarine red; brown iron oxide, mixed brown, spinel phases and corundum phases, or chromium orange; or yellow iron oxide, nickel titanium yellow, chromium titanium yellow, cadmium sulfide, cadmium zinc sulfide, chromium yellow, or bismuth vanadate.
- white pigments such as zinc white, zinc sulfide, or lithopone
- black pigments such as carbon black, iron manganese black,
- suitable organic color-imparting pigments are monoazo pigments, disazo pigments, anthraquinone pigments, benzimidazole pigments, quinacridone pigments, quinophthalone pigments, diketopyrrolopyrrole pigments, dioxazine pigments, indanthrone pigments, isoindoline pigments, isoindolinone pigments, azomethine pigments, thioindigo pigments, metal complex pigments, perinone pigments, perylene pigments, phthalocyanine pigments, or aniline black.
- Preferred embodiments comprise, in particular, usually titanium dioxide, iron oxide pigment, and carbon black.
- filler refers preferably to a substance which is substantially insoluble, preferably completely insoluble, in the coating composition of the invention, and is used more particularly for increasing the volume. "Fillers" within the meaning of the present invention preferably differ from “pigments” in their refractive index, which for fillers is ⁇ 1.7. Any customary filler known to the skilled person may be used in accord with the present invention.
- suitable fillers are kaolin, dolomite, calcite, chalk, calcium sulfate, barium sulfate, graphite, silicates such as magnesium silicates, more particularly corresponding phyllosilicates such as hectorite, bentonite, montmorillonite, talc and/or mica, silicas, especially fumed silicas, hydroxides such as aluminum hydroxide or magnesium hydroxide, or organic fillers such as textile fibers, cellulose fibers, polyethylene fibers, or polymer powders; for further details refer to Rompp Lexikon Lacke and Druckmaschine, Georg Thieme Verlag, 1998, pages 250 ff. , "Fillers".
- corrosion inhibitors such as silicates, orthophosphates, and polyphosphates.
- surfacers Only for special instances are colored surfacers produced, which support the intended hue for the topcoat system.
- the surfacers normally have various gray shades, which are produced by fractions of pigmentary carbon blacks and iron oxides (usually yellow iron oxide).
- the paint compositions of the present invention may also comprise of dispersing agents.
- exemplary dispersing agents include anionic polyelectrolyte dispersants such as maleic acid copolymers, acrylic acid copolymers including methacrylic acid copolymers, and carboxylic acids such as tartaric acid, succinic acid, citric acid, itaconic acid, mixtures thereof and other materials that will be familiar to persons having ordinary skill in the art.
- Exemplary surfactants include anionic, amphoteric and nonionic materials. There may be some overlap in nomenclature when certain dispersants or surfactants are identified in commercial literature.
- Suitable dispersants and surfactants are commercially available from a variety of suppliers including 3M, Air Products and Chemicals, Inc., Akzo Nobel, Ashland, BASF, Dow Chemical Co., E. I. DuPont de Nemours and Co., Elementis Specialties, Inc., Flarcros Chemicals, Rhodia and Solvay, such as the TAMOL.TM. series from Dow Chemical Co., nonyl and octyl phenol ethoxylates from Dow Chemical Co. (e.g., TRITON. TM.
- SURFYNOL 104 e.g., SURFYNOL 104, SURFYNOL 104A, SURFYNOL 104BC, SURFYNOL 104DPM, SURFYNOL 104E, SURFYNOL 104H, SURFYNOL 104PA, SURFYNOL 104PG50,
- SURFYNOL 104S SURFYNOL 2502, SURFYNOL 420, SURFYNOL 440, SURFYNOL 465, SURFYNOL 485.
- SURFYNOL 485W SURFYNOL 82, SURFYNOL CT-211, SURFYNOL CT-221, SURFYNOL OP-340, SURFYNOL PSA204, SURFYNOL PSA216, SURFYNOL PSA336, SURFYNOL SE and SURFYNOL SE-F), various fluorocarbon surfactants from 3M, E. I. DuPont de Nemours and Co.
- the base paint or stain may for example contain at least about 0.1 , at least about 0.5 or at least about 1 wt.% surfactants or dispersants, and up to about 10, up to about 5 or up to about 3 wt.% surfactants or dispersants based on the total composition weight.
- the base paint or stain may contain a variety of other adjuvants that will be familiar to persons having ordinary skill in the art. Representative adjuvants are described in Koleske et al. , Paint and Coatings Industry, April, 2003, pages 12-86. Exemplary adjuvants and commercial examples of the same include anti-cratering agents; biocides, fungicides, mildewcides and preservatives; coalescing agents (e.g., those described in U.S. Pat. No.
- the paint compositions of the present invention may further comprise of solvents.
- solvents used as pigment dispersion media include, for example, water, aromatic hydrocarbon solvents such as toluene or xylene, aliphatic hydrocarbon solvents such as mineral spirits, alcohol solvents such as methanol or ethanol, ester solvents such as ethyl acetate, ketone solvents such as methyl ethyl ketone, and ether solvents such as ethylene glycol.
- the paint composition is aqueous and comprises of water as the solvent for pigment dispersion.
- the inorganic carrier was first introduced, and the temperature set above the temperature of melting point of wax/surfactant.
- the quaternary ammonium compound (QAC), and optionally, the water insoluble wax or water-soluble surfactant were melted and mixed and this blend was added drop wise to the inorganic carrier. This resulted in formation of the core (C) comprising the quaternary ammonium compound.
- the quantities of materials used are given in table 1 below.
- Examples 4 - 6 Encapsulation of entrapped quaternary ammonium compounds (Encapsulated Core, EC)
- the core, C, from the above examples was allowed to cool and then epoxy resin was added as a first monomer under stirring (150-300 rpm with overhead stirring device at RT). The stirring was continued for 1 hour to ensure uniform mixing of epoxy resin on inorganic carrier surface. Then polyamine was added dropwise as second monomer in four slots.
- the encapsulation of the quaternary ammonium compound was analyzed using scanning electron microscope (SEM). The samples showed morphological differences when QAC is entrapped or encapsulated, i.e. between C and EC.
- the average particle size of formulation is measured by Malvern mastersizer-3000 particle size analyser.
- the d90 (pm) data is given against the respective examples in the table below.
- Standard water-based exterior paint formulations were prepared in a jacketed vertical vessel (high speed disperser with cowl disc setup) by adding ingredients listed in Table 3, keeping a continuous supply of cold water to avoid loss of water due to heat generation.
- the core ( C) and polymeric shell coated samples (EC) were added in grinding phase or let-down phase to achieve uniform dispersion in paint formulation. Table 3
- Nipacide DFX5 was used as standard comprising Diuron, Methyl benzimidazol-2-ylcarbamate, zinc oxide and 2-octyl-2H-isothiazol-3-one.
- Viscosity measurement was carried out by Brookfield Viscometer KU-2.
- the encapsulated quaternary ammonium compound (QAC) samples were dosed in paint at specified dosages and tested for Dry Film Algal Challenge Test by Agar Plate Assay Method.
- Paint batches were prepared as per Examples 7 to Example 12 by addition of the unblended, encapsulated, non-encapsulated or blank samples as per the decided dosage.
- anti-algal test could not be carried out as the sample showed gelation and precipitation and was unstable due to the interaction of non-encapsulated QAC with the paint formulation.
- Panel application The paint batches with the samples from Examples 7 to 12 were thinned with water at a thinning ratio of 30% by volume. Two coats of the thinned samples were brush applied onto filter paper. One set of panels were tested as such and one set was tested after subjecting to leaching in water for 8 hours.
- Dry-Film Preservation test The panels were cut into required size and inoculated with algal cultures on a suitable agar plate. The algal plates were incubated at 25°C ⁇ 2.5°C for 4 weeks under light illumination. After incubation, the filter paper was examined for the degree of algal surface contamination and the zone of inhibition was measured in mm.
- Example 11 Blank showed heavy algal growth (>60% coverage) with no zone of inhibition under un-leached as well as leached conditions.
- Example 7 showed light algal growth (10 - 30% coverage) under un-leached conditions and moderate algal growth (30 - 60% coverage) under leached conditions.
- Example 10 showed moderate algal growth (30 - 60% coverage) under un-leached as well as leached conditions.
- Example 11 showed light algal growth (10 - 30% coverage) under un-leached conditions and moderate algal growth (30 - 60% coverage) under leached conditions.
- Example 12 showed traces of algal growth ( ⁇ 10% coverage) under un-leached conditions and moderate algal growth (30 - 60% coverage) under leached conditions.
- Thinning ratio 30% by volume with water.
- Example 8 Under un-leached conditions, sample of Example 8 did not show comparable performance to the standard, however, samples of Example 7, and Example 9 were comparable to the standard (Diuron) showing at least 70% inhibition of algal growth. Under leached conditions all samples showed comparable performance to the standard. Hence, it can be concluded that blending of the QAC with non-ionic surfactant and optionally encapsulating with polymeric shell was able to effectively control the algal growth over extended period of time.
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Wood Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Plant Pathology (AREA)
- Pest Control & Pesticides (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
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Abstract
La présente invention concerne des composés d'ammonium quaternaire encapsulés (QAC) comprenant un noyau qui est constitué d'au moins un composé d'ammonium quaternaire ; le noyau est en outre piégé dans un excipient inorganique, puis éventuellement revêtu d'une enveloppe polymère. L'invention concerne également un procédé de fabrication des composés d'ammonium quaternaire encapsulés et des compositions de peinture comprenant ces composés. Les compositions de peinture contenant les composés d'ammonium quaternaire encapsulés de la présente invention présentent une stabilité améliorée et une propriété anti-algues après application.
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EP21178299 | 2021-06-08 | ||
EP21178299.0 | 2021-06-08 |
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WO2022258476A1 true WO2022258476A1 (fr) | 2022-12-15 |
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EP0328335A1 (fr) | 1988-02-08 | 1989-08-16 | Waitomo Industrial Investments Ltd. | Composition antisalissure |
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