CN104087144A - Preparation method of waterproof and antibacterial polyurethane coating - Google Patents
Preparation method of waterproof and antibacterial polyurethane coating Download PDFInfo
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- CN104087144A CN104087144A CN201410346616.4A CN201410346616A CN104087144A CN 104087144 A CN104087144 A CN 104087144A CN 201410346616 A CN201410346616 A CN 201410346616A CN 104087144 A CN104087144 A CN 104087144A
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- 239000011527 polyurethane coating Substances 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 230000000844 anti-bacterial effect Effects 0.000 title abstract description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims abstract description 24
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 claims abstract description 17
- IYRMWMYZSQPJKC-UHFFFAOYSA-N kaempferol Chemical compound C1=CC(O)=CC=C1C1=C(O)C(=O)C2=C(O)C=C(O)C=C2O1 IYRMWMYZSQPJKC-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000005058 Isophorone diisocyanate Substances 0.000 claims abstract description 16
- 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 abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- YPQLFJODEKMJEF-UHFFFAOYSA-N hydroxyflutamide Chemical compound CC(C)(O)C(=O)NC1=CC=C([N+]([O-])=O)C(C(F)(F)F)=C1 YPQLFJODEKMJEF-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000003054 catalyst Substances 0.000 claims abstract description 10
- NAGJZTKCGNOGPW-UHFFFAOYSA-K dioxido-sulfanylidene-sulfido-$l^{5}-phosphane Chemical compound [O-]P([O-])([S-])=S NAGJZTKCGNOGPW-UHFFFAOYSA-K 0.000 claims abstract description 10
- 229920001730 Moisture cure polyurethane Polymers 0.000 claims abstract description 8
- 239000012975 dibutyltin dilaurate Substances 0.000 claims abstract description 8
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 8
- 239000004970 Chain extender Substances 0.000 claims abstract description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 16
- LCCNCVORNKJIRZ-UHFFFAOYSA-N parathion Chemical compound CCOP(=S)(OCC)OC1=CC=C([N+]([O-])=O)C=C1 LCCNCVORNKJIRZ-UHFFFAOYSA-N 0.000 claims description 15
- 229920000642 polymer Polymers 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 14
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 12
- 241000378106 Amianthium muscitoxicum Species 0.000 claims description 11
- 229930182470 glycoside Natural products 0.000 claims description 11
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 238000004945 emulsification Methods 0.000 claims description 7
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 claims description 4
- 239000002904 solvent Substances 0.000 claims description 4
- OLLFKUHHDPMQFR-UHFFFAOYSA-N dihydroxy(diphenyl)silane Chemical group C=1C=CC=CC=1[Si](O)(O)C1=CC=CC=C1 OLLFKUHHDPMQFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims 2
- 239000000839 emulsion Substances 0.000 abstract description 2
- 239000004753 textile Substances 0.000 abstract description 2
- UBSCDKPKWHYZNX-UHFFFAOYSA-N Demethoxycapillarisin Natural products C1=CC(O)=CC=C1OC1=CC(=O)C2=C(O)C=C(O)C=C2O1 UBSCDKPKWHYZNX-UHFFFAOYSA-N 0.000 abstract 1
- JMFWYRWPJVEZPV-AVGVHVDKSA-N Syringetin-3-O-glucoside Chemical compound COC1=C(O)C(OC)=CC(C2=C(C(=O)C3=C(O)C=C(O)C=C3O2)O[C@H]2[C@@H]([C@@H](O)[C@H](O)[C@@H](CO)O2)O)=C1 JMFWYRWPJVEZPV-AVGVHVDKSA-N 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- BXNANOICGRISHX-UHFFFAOYSA-N coumaphos Chemical compound CC1=C(Cl)C(=O)OC2=CC(OP(=S)(OCC)OCC)=CC=C21 BXNANOICGRISHX-UHFFFAOYSA-N 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- MWDZOUNAPSSOEL-UHFFFAOYSA-N kaempferol Natural products OC1=C(C(=O)c2cc(O)cc(O)c2O1)c3ccc(O)cc3 MWDZOUNAPSSOEL-UHFFFAOYSA-N 0.000 abstract 1
- 235000008777 kaempferol Nutrition 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- UXOUKMQIEVGVLY-UHFFFAOYSA-N morin Natural products OC1=CC(O)=CC(C2=C(C(=O)C3=C(O)C=C(O)C=C3O2)O)=C1 UXOUKMQIEVGVLY-UHFFFAOYSA-N 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 5
- 238000009835 boiling Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 230000003115 biocidal effect Effects 0.000 description 4
- 239000010985 leather Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 241000191967 Staphylococcus aureus Species 0.000 description 2
- DRTQHJPVMGBUCF-XVFCMESISA-N Uridine Chemical compound O[C@@H]1[C@H](O)[C@@H](CO)O[C@H]1N1C(=O)NC(=O)C=C1 DRTQHJPVMGBUCF-XVFCMESISA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000005357 flat glass Substances 0.000 description 2
- 230000000968 intestinal effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- UCTWMZQNUQWSLP-VIFPVBQESA-N (R)-adrenaline Chemical compound CNC[C@H](O)C1=CC=C(O)C(O)=C1 UCTWMZQNUQWSLP-VIFPVBQESA-N 0.000 description 1
- 229930182837 (R)-adrenaline Natural products 0.000 description 1
- YBTVSGCNBZPRBD-UHFFFAOYSA-N 4-acetamidosalicylic acid Chemical compound CC(=O)NC1=CC=C(C(O)=O)C(O)=C1 YBTVSGCNBZPRBD-UHFFFAOYSA-N 0.000 description 1
- DTUOTSLAFJCQHN-UHFFFAOYSA-N 4-bromo-1,8-naphthalic anhydride Chemical compound O=C1OC(=O)C2=CC=CC3=C2C1=CC=C3Br DTUOTSLAFJCQHN-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- DRTQHJPVMGBUCF-PSQAKQOGSA-N beta-L-uridine Natural products O[C@H]1[C@@H](O)[C@H](CO)O[C@@H]1N1C(=O)NC(=O)C=C1 DRTQHJPVMGBUCF-PSQAKQOGSA-N 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229960005139 epinephrine Drugs 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- DRTQHJPVMGBUCF-UHFFFAOYSA-N uracil arabinoside Natural products OC1C(O)C(CO)OC1N1C(=O)NC(=O)C=C1 DRTQHJPVMGBUCF-UHFFFAOYSA-N 0.000 description 1
- 229940045145 uridine Drugs 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
The invention discloses a preparation method of a waterproof and antibacterial polyurethane coating. The preparation method comprises the following steps: under the presence of a dibutyltin dilaurate catalyst, mixing kaempferol and isophorone diisocyanate according to the weight ratio of 1:2.5-1:3.7, adding syringetin-3-O-beta-D-glucoside and coumaphos, reacting for 1-3h at 40-90DEG C, then adding O,O-dimethyl-S-(methylcarbamoylmethyl) phosphorodithioate, and reacting for 1-2h at 50-70DEG C to obtain a polyurethane prepolymer A; adding a chain extender and hydroxyflutamide into the prepolymer A, reacting for 2-5h under the condition of 60-80DEG C, adding triethylamine for conducting neutralization reaction for 30-50min, and adding water for emulsion to obtain the waterproof and antibacterial polyurethane coating. The prepared waterproof and antibacterial polyurethane coating is environment-friendly and low in price, and is widely applied to surfaces of walls, furniture and metal appliances to serve as a binder for plastic, glass, papermaking and textiles.
Description
Technical field
The present invention relates to the preparation method of polyurethane coating, particularly the preparation method of waterproof and germ resistance polyurethane coating.
Background technology
Urethane is mainly used in the aspects such as leather finish, textile printing and dyeing, paper-making industry, building coating, tackiness agent, be sprayed at coating and the paint on external and internal wall, furniture, hardware surface, all the time all directly or indirectly contacting with the mankind, poisonous, harmful coating is the moment health that threatening people also.
Water-proof material main application fields comprises the roofing of building construction, underground, exterior wall and indoor; The public works such as urban road bridges and the underground space; The bridge of motorway and high-speed railway, tunnel; The traffic engineering such as sub.; The hydro projects such as flume, reservoir, dam body, natural flow station and water treatment, be applicable to roofing and lavatory bathe between, the waterproof of vault, water reservoir, metope, antiseepage, protection against the tide.Divide and can be used for the fields such as papermaking, weaving, leather according to application material.
Urethane carries out polymerization and often adopts dibutyl tin laurate to make catalyzer, but because Heavy Metal, Sn is working the mischief to environment along with the degraded of urethane, screening chemical materials is fixed the tin of catalysis remnants dibutyl tin laurate, reduces the harm of polyurethane coating resistates to environment.
summary of the invention
Technical problem to be solved by this invention is, the preparation method of a kind of waterproof and germ resistance polyurethane coating is provided, select dibutyl tin laurate to make catalyzer, the trifolitin with germ resistance reacts with isophorone diisocyanate, and dibutyl tin laurate is fixed with germ resistance syringetin-3-O-β-D-Glucose glycosides and fly poison parathion, as chainextender, under the synergistic of Sch 16423, improve waterproof and the germ resistance of urethane with organosilicon.
A preparation method for waterproof and germ resistance polyurethane coating, is characterized in that:
(1), under the condition existing at dibutyltin dilaurate catalyst, by trifolitin and isophorone diisocyanate according to weight ratio 1:2.5 ~ 1: 3.7 mix, add syringetin-3-O-β-D-Glucose glycosides and fly poison parathion, at 40 ~ 90 DEG C, react 1 ~ 3h, add again O, O-dimethyl-S-(methylamino formyl methyl) phosphorodithioate is in 50 ~ 70 DEG C of reaction 1 ~ 2h, obtain base polyurethane prepolymer for use as A, described catalyst levels is 0.13 ~ 0.27% of trifolitin and isophorone diisocyanate gross weight, syringetin-3-O-β-D-Glucose glycosides and fly poison parathion consumption are respectively trifolitin, isophorone diisocyanate, February dibutyl tin laurate gross weight 0.10 ~ 0.40% and 0.08 ~ 0.32%, O, O-dimethyl-S-(methylamino formyl methyl) phosphorodithioate is trifolitin, isophorone diisocyanate, 0.10 ~ 0.20% of dibutyl tin laurate gross weight,
(2), be incorporated as the solvent of chainextender, Sch 16423 and the performed polymer A weight 12 ~ 25% of performed polymer weight 1.0 ~ 3.0% to performed polymer A, under 60 ~ 80 DEG C of conditions, react 2 ~ 5h, the triethylamine that is 10 ~ 15% by performed polymer weight carries out neutralization reaction 30 ~ 50min, add water and carry out emulsification, waterproof and germ resistance polyurethane coating, Sch 16423 is 0.2 ~ 0.5% of performed polymer weight.
Chainextender is Diphenylsilanediol, 4, any one of two (dimethyl hydroxyl the is silica-based) phenyl ether of 4'-, Isosorbide-5-Nitrae-bis-(dimethyl hydroxyl is silica-based) benzene; Solvent is the one of triethylenethio-hosphopramide, thiophos.
The present invention has following characteristics:
(1), with germ resistance syringetin-3-O-β-D-Glucose glycosides and fly poison parathion dibutyl tin laurate is fixed, has reduced the toxicity of urethane and improved its germ resistance;
(2) selecting organosilicon is chainextender, and has improved waterproof effect under the synergistic of Sch 16423;
(3) trifolitin that has germ resistance reacts with isophorone diisocyanate, has improved its germ resistance.
embodimentfurther illustrate the present invention below in conjunction with example.
example one
(1), in the four-hole boiling flask of 500ml that stirring arm, thermometer, prolong are housed, trifolitin 30g is mixed with isophorone diisocyanate 83.3g, under the condition existing at dibutyltin dilaurate catalyst 0.15g, add syringetin-3-O-β-D-Glucose glycosides 0.11g and fly poison parathion 0.09g, at 40 DEG C, react 1h, add again O, O-dimethyl-S-(methylamino formyl methyl) phosphorodithioate 0.11g, in 50 DEG C of reaction 1h, obtains 111g base polyurethane prepolymer for use as A;
(2) Diphenylsilanediol 1.11g, the Sch 16423 0.22g and the triethylenethio-hosphopramide 13.3g that, add to performed polymer A, in 60 DEG C of reaction 2h, add triethylamine 11.1g to carry out neutralization reaction 30min, the 120g that adds water carries out emulsification 30min, obtains waterproof and germ resistance polyurethane coating.
Example two
(1), in the four-hole boiling flask of 500ml that stirring arm, thermometer, prolong are housed, trifolitin 30g is mixed with isophorone diisocyanate 111g, under the condition existing at dibutyltin dilaurate catalyst 0.38g, add syringetin-3-O-β-D-Glucose glycosides 0.56g and fly poison parathion 0.45g, at 90 DEG C, react 3h, add again O, O-dimethyl-S-(methylamino formyl methyl) phosphorodithioate 0.28g, in 70 DEG C of reaction 2h, obtains 140g base polyurethane prepolymer for use as A;
(2), add to performed polymer A 4,4'-two (dimethyl hydroxyl is silica-based) phenyl ether 4.2g, Sch 16423 0.7g and thiophos 35g, in 80 DEG C of reaction 5h, add triethylamine 21g to carry out neutralization reaction 50min, the 140g that adds water carries out emulsification 30min, obtains waterproof and germ resistance polyurethane coating.
example three
(1), in the four-hole boiling flask of 500ml that stirring arm, thermometer, prolong are housed, trifolitin 30g is mixed with isophorone diisocyanate 93g, under the condition existing at dibutyltin dilaurate catalyst 0.25g, add syringetin-3-O-β-D-Glucose glycosides 0.31g and fly poison parathion 0.25g, at 65 DEG C, react 2h, add again O, O-dimethyl-S-(methylamino formyl methyl) phosphorodithioate 0.18g, in 60 DEG C of reaction 1.5h, obtains 122g base polyurethane prepolymer for use as A;
(2), add to performed polymer A 1,4-two (dimethyl hydroxyl is silica-based) benzene 2.44g, Sch 16423 0.43g and triethylenethio-hosphopramide 22.6g, in 70 DEG C of reaction 3.5h, add triethylamine 15.3g to carry out neutralization reaction 40min, the 130g that adds water carries out emulsification 30min, obtains waterproof and germ resistance polyurethane coating.
example four
(1), in the four-hole boiling flask of 500ml that stirring arm, thermometer, prolong are housed, trifolitin 30g is mixed with isophorone diisocyanate 83.3g, under the condition existing at dibutyltin dilaurate catalyst 0.15g, add syringetin-3-O-β-D-Glucose glycosides 0.11g and fly poison parathion 0.09g, at 60 DEG C, react 1h, add again O, O-dimethyl-S-(methylamino formyl methyl) phosphorodithioate 0.11g and 5'-Triphosaden 0.11g, in 50 DEG C of reaction 1h, obtain 111g base polyurethane prepolymer for use as A;
(2), add to performed polymer A 4,4'-two (dimethyl hydroxyl is silica-based) phenyl ether 1.11g, Sch 16423 0.22g and triethylenethio-hosphopramide 13.3g, in 60 DEG C of reaction 2h, add tartaric acid epinephrine 0.6g and 4-bromo-1,8-naphthalic anhydride 0.1g, in 60 DEG C of reaction 2h, adds triethylamine 11.1g to carry out neutralization reaction 30min, the 120g that adds water carries out emulsification 30min, obtains waterproof and germ resistance polyurethane coating.
example five
(1), in the four-hole boiling flask of 500ml that stirring arm, thermometer, prolong are housed, trifolitin 30g is mixed with isophorone diisocyanate 111g, under the condition existing at dibutyltin dilaurate catalyst 0.38g, add syringetin-3-O-β-D-Glucose glycosides 0.56g and fly poison parathion 0.45g, at 90 DEG C, react 3h, add again O, O-dimethyl-S-(methylamino formyl methyl) phosphorodithioate 0.28g and uridine 0.32g, in 70 DEG C of reaction 2h, obtain 140g base polyurethane prepolymer for use as A;
(2), add to performed polymer A 1,4-two (dimethyl hydroxyl is silica-based) benzene 4.2g, Sch 16423 0.7g and thiophos 35g, in 80 DEG C of reaction 5h, add 4-acetaminosalicylic acid 0.5g and Succinic anhydried 0.21g, in 60 DEG C of reaction 3h, add triethylamine 21g to carry out neutralization reaction 40min, the 130g that adds water carries out emulsification 30min, obtains waterproof and germ resistance polyurethane coating.
Further illustrate beneficial effect of the present invention below by related experiment data:
Water tolerance employing is got appropriate emulsion and is evenly coated on sheet glass, after drying and forming-film, sheet glass is put into deionized water and soak under certain temperature, observes film and becomes blue, turns white, bubbles, sends out the situation of wrinkling, coming off.
Table one waterproof and germ resistance polyurethane coating institute film forming properties
| Experimental group | Example one | Example two | Example three | Example four | Example five |
| Film outward appearance (water tolerance 48h) | Transparent | Transparent | Transparent | Transparent | Transparent |
| Hardness | B | B | B | B | B |
| Sticking power/level | 2 | 2 | 2 | 3 | 3 |
| Snappiness/mm | 2 | 2 | 2 | 2 | 2 |
Can find from table one, from film outward appearance, hardness, sticking power, flexibility better performances.
The mechanical property of the gained film of table two waterproof and germ resistance polyurethane coating
| Experimental group | Example one | Example two | Example three | Example four | Example five |
| Elongation at break/% | 150 | 145 | 155 | 166 | 168 |
| Tensile strength/MPa | 5.7 | 5.6 | 5.7 | 5.9 | 5.8 |
| Abrasion resisting (level) | 3.5 | 4 | 4 | 4 | 4 |
The reference of table two middle finger object detection method (Jiang Weiqi. leather finished product physical and chemical inspection [M]. China Light Industry Press, 1999), coating gained film elongation at break of the present invention, tensile strength, wear-resistant all performances are better.
Table three waterproof and germ resistance polyurethane coating institute film forming are to the antibiotic rate (%) for examination bacterial classification
Can find from table three, the prepared germ resistance coating of example one to five all has good antibacterial effect to intestinal bacteria, streptococcus aureus, flavus.
Table four waterproof and the germ resistance polyurethane coating institute film forming antibiotic rate of 90 days (%)
Table five waterproof and the germ resistance polyurethane coating institute film forming antibiotic rate of 360 days (%)
Can find from table four and table five, example one slowly discharges to the prepared germ resistance coating antibiosis effect of example five, places and still can show good antibacterial effect to intestinal bacteria, streptococcus aureus, flavus in 90 days to 360 days.
Claims (3)
1. a preparation method for waterproof and germ resistance aqueous polyurethane coating, is characterized in that:
(1), under the condition existing at dibutyltin dilaurate catalyst, by trifolitin and isophorone diisocyanate according to weight ratio 1:2.5 ~ 1: 3.7 mix, add syringetin-3-O-β-D-Glucose glycosides and fly poison parathion, at 40 ~ 90 DEG C, react 1 ~ 3h, add again O, O-dimethyl-S-(methylamino formyl methyl) phosphorodithioate is in 50 ~ 70 DEG C of reaction 1 ~ 2h, obtain base polyurethane prepolymer for use as A, described catalyst levels is 0.13 ~ 0.27% of trifolitin and isophorone diisocyanate gross weight, syringetin-3-O-β-D-Glucose glycosides and fly poison parathion consumption are respectively trifolitin, isophorone diisocyanate, February dibutyl tin laurate gross weight 0.10 ~ 0.40% and 0.08 ~ 0.32%, O, O-dimethyl-S-(methylamino formyl methyl) phosphorodithioate is 0.10 ~ 0.20% of trifolitin, isophorone diisocyanate, dibutyl tin laurate gross weight,
(2), be incorporated as the solvent of chainextender, Sch 16423 and the performed polymer A weight 12 ~ 25% of performed polymer weight 1.0 ~ 3.0% to performed polymer A, under 60 ~ 80 DEG C of conditions, react 2 ~ 5h, the triethylamine that is 10 ~ 15% by performed polymer A weight carries out neutralization reaction 30 ~ 50min, add water and carry out emulsification, obtain waterproof and germ resistance polyurethane coating, Sch 16423 is 0.2 ~ 0.5% of performed polymer weight.
2. the preparation method of a kind of fire-retardant and germ resistance aqueous polyurethane coating as claimed in claim 1, it is characterized in that: chainextender is Diphenylsilanediol, 4, any one of two (dimethyl hydroxyl the is silica-based) phenyl ether of 4'-, Isosorbide-5-Nitrae-bis-(dimethyl hydroxyl is silica-based) benzene.
3. the preparation method of a kind of fire-retardant and germ resistance aqueous polyurethane coating as claimed in claim 1, is characterized in that: solvent is the one of triethylenethio-hosphopramide, thiophos.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105968973A (en) * | 2016-06-30 | 2016-09-28 | 河北晨阳工贸集团有限公司 | Mildew-proof, antibacterial and antiviral coating with Chinese herbal medicines and method for manufacturing mildew-proof, antibacterial and antiviral coating |
| CN106221552A (en) * | 2016-08-31 | 2016-12-14 | 段宝荣 | Graphene modified flame-retardant, the preparation method of antibiotic property aqueous polyurethane coating |
| CN106366896A (en) * | 2016-08-31 | 2017-02-01 | 段宝荣 | Preparation method of graphene-modified flame-retardant and light-resistant waterborne polyurethane coating |
| CN108299613A (en) * | 2017-12-29 | 2018-07-20 | 合肥科天水性科技有限责任公司 | A kind of antimicrobial form anion aqueous polyurethane resin and preparation method thereof |
| CN108299614A (en) * | 2017-12-29 | 2018-07-20 | 合肥科天水性科技有限责任公司 | A kind of antibacterial cation waterborne polyurethane resin and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105968973A (en) * | 2016-06-30 | 2016-09-28 | 河北晨阳工贸集团有限公司 | Mildew-proof, antibacterial and antiviral coating with Chinese herbal medicines and method for manufacturing mildew-proof, antibacterial and antiviral coating |
| CN105968973B (en) * | 2016-06-30 | 2018-06-08 | 河北晨阳工贸集团有限公司 | Chinese herbal medicine antimildew and antibacterial antiviral coating and preparation method thereof |
| CN106221552A (en) * | 2016-08-31 | 2016-12-14 | 段宝荣 | Graphene modified flame-retardant, the preparation method of antibiotic property aqueous polyurethane coating |
| CN106366896A (en) * | 2016-08-31 | 2017-02-01 | 段宝荣 | Preparation method of graphene-modified flame-retardant and light-resistant waterborne polyurethane coating |
| CN108299613A (en) * | 2017-12-29 | 2018-07-20 | 合肥科天水性科技有限责任公司 | A kind of antimicrobial form anion aqueous polyurethane resin and preparation method thereof |
| CN108299614A (en) * | 2017-12-29 | 2018-07-20 | 合肥科天水性科技有限责任公司 | A kind of antibacterial cation waterborne polyurethane resin and preparation method thereof |
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