CN105349007A - Polyurethane woodenware high-temperature resistant coating and preparing method thereof - Google Patents
Polyurethane woodenware high-temperature resistant coating and preparing method thereof Download PDFInfo
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- CN105349007A CN105349007A CN201510777334.4A CN201510777334A CN105349007A CN 105349007 A CN105349007 A CN 105349007A CN 201510777334 A CN201510777334 A CN 201510777334A CN 105349007 A CN105349007 A CN 105349007A
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Abstract
The invention relates to polyurethane woodenware high-temperature resistant coating and a preparing method thereof. The coating is prepared from 70-80 parts by weight of silicone-modified alkyd resin, 2-4 parts by weight of vinisol, 0.5-1.5 parts by weight of dimethylformamide, 3-6 parts by weight of matting powder, 0.2-0.4 part by weight of a levelling agent, 0.2-0.4 part by weight of a defoaming agent, 0.3-0.6 part by weight of a dispersant, 6-8 parts by weight of butyl acetate, 1-3 parts by weight of propylene glycol monomethyl ether acetate, 4-6 parts by weight of xylene, 3-5 parts by weight of ethyl acetate and 0.5-1.5 parts by weight of an anti-settling agent. After the coating in match with a commercially available curing agent is applied on woodenware surfaces, high-temperature resistance is good and hardness of coating film is high.
Description
Technical field
The present invention relates to paint field, particularly a kind of urethane woodenware high-temperature resistant coating and preparation method thereof.
Background technology
Wood lacquer refers to the resinoid paint being coated on woodenware surface, wherein, polyurethane paint due to its paint film tough, gloss is plentiful, strong adhesion, water proof and wearable, be widely used in wood furniture and wood floors, conventional polyurethanes paint uses common Synolac, because only containing C-C in its structure, C-O key, not containing SI-O key, so easily turn white in surface when wood furniture and wood floors are in use scalded by 100 DEG C of high temp glass water tumblers, defect is left to complete surface, urethane woodenware high-temperature resistant coating uses silicone alkyd, introduce SI-O key, the firmness of its bond energy is far above C-C, C-O key, so high-temperature resistant result is obvious.
Summary of the invention
The object of the present invention is to provide a kind of urethane woodenware high-temperature resistant coating and preparation method thereof, the resistance to boiling hot property of urethane woodenware high-temperature resistant coating prepared by the present invention is good, hardness of paint film is high.
The present invention is achieved in that a kind of urethane woodenware high-temperature resistant coating, and it is formulated by following ratio of weight and number by following component:
Described silicone alkyd is formulated by following ratio of weight and number by following component:
Further, described catalyzer is tetrabutyl titanate.
Further, described silicone oligomer is methyl phenyl silicone.
Further, described silicone alkyd is prepared from accordance with the following methods:
(1) first, at room temperature, in reactor, the different n-nonanoic acid of 21-25 part is added;
(2) then, add 6-8 part neopentyl glycol, 10-14 part TriMethylolPropane(TMP), 19.5-22 part Tetra hydro Phthalic anhydride and cyclohexane cyclohexanedimethanodibasic 6.5-7.5 part, logical nitrogen in reactor, then 145-155 DEG C is warming up to, control stir speed (S.S.) is 200-300rmp, stir 20-30min, then continue to be warming up to 165-175 DEG C, and 1-2 hour is reacted at 165-175 DEG C, be warming up to 200-205 DEG C with 2-3 hour afterwards, react after 0.5-1 hour, the acid number of detection system, until system acid number is down to 10-20mgKOH/g, stopped reaction;
(3) last, the reaction system of step (2) is cooled to 120-130 DEG C, add the glycol diacetate of 1-2 part, 4-6 part 1-Methoxy-2-propyl acetate, 0.65-0.8 part catalyzer and 7-8 part silicone oligomer, then said temperature and stir speed (S.S.) is kept, reaction 1-2 hour, finally add the methylcyclohexane of 2-3 part, 25-30 part dimethylbenzene, stir 1-2 hour, filter and package.
Pq Corp. of flatting silica preferred Britain HP860 in the present invention,
The preferred German Bi Ke company BYK052 of defoamer in the present invention,
The preferred German Bi Ke company BYK104S of dispersion agent in the present invention,
Anti-settling agent preferred Supreme Being Si Balong 6900-20X in the present invention.
(1) first, in dispersion cylinder, add silicone alkyd 70-80 part, 1-Methoxy-2-propyl acetate 1-3 part, N-BUTYL ACETATE 6-8 part, vinyl chloride-vinyl acetate resin 2-4 part, dimethyl formamide 0.5-1.5 part, dispersion agent 0.3-0.6 part, defoamer 0.2-0.4 part, open stirrer and stir 10-12 minute with the rotating speed of 800-1000 rev/min;
(2) then, add flatting silica 3-6 part, anti-settling agent 0.5-1.5 part, improve stir speed (S.S.) to 1300-1500 rev/min, stir 12-15 minute;
(3) last, add dimethylbenzene 25-30 part, flow agent 0.2-0.4 part, vinyl acetic monomer 3-5 part, reduce stirring velocity to 1000-1200 rev/min, stir 10-12 minute.
Beneficial effect of the present invention is: vinyl chloride-vinyl acetate resin is the multipolymer [P (VC-VAc)] of vinylchlorid and vinyl acetate between to for plastic, by vinyl chloride monomer with vinyl acetate between to for plastic copolymerization and obtaining under the effect of initiator, the introducing of vinyl chloride-vinyl acetate resin more can help resistance to elevated temperatures, and wear resistance is also improved simultaneously.Dimethyl formamide can help the profound level of woodwork coating to solidify, solidification more thorough, and the hardness of paint film is higher.
Embodiment
Below in conjunction with specific embodiment, the present invention will be described in detail.
Embodiment is as follows:
Embodiment 1-3 is the preparation of silicone alkyd
Embodiment 1
A kind of urethane woodenware high-temperature resistant coating silicone alkyd, it is formulated by following ratio of weight and number by following component:
The preparation method of above-mentioned urethane woodenware high-temperature resistant coating silicone alkyd, prepares in accordance with the following methods:
(1) first, at room temperature, in reactor, 21 parts of different n-nonanoic acids are added;
(2) then, 6 parts of neopentyl glycol, 10 parts of TriMethylolPropane(TMP)s, 19.5 parts of Tetra hydro Phthalic anhydrides and cyclohexane cyclohexanedimethanodibasics 6.5 parts are added, logical nitrogen in reactor, then 145 DEG C are warming up to, control stir speed (S.S.) is 200rmp, stirs 20min, then continues to be warming up to 165 DEG C, and react 1 hour at 165 DEG C, be warming up to 200 DEG C with 2 hours afterwards, react after 0.5 hour, the acid number of detection system, until system acid number is down to 10mgKOH/g, stopped reaction;
(3) last, the reaction system of step (2) is cooled to 120 DEG C, add the glycol diacetate of 1 part, 4 parts of 1-Methoxy-2-propyl acetates, 0.65 part of catalyzer and 7 parts of silicone oligomers, then said temperature and stir speed (S.S.) is kept, react 2 hours, finally add the methylcyclohexane of 2 parts, 25 parts of dimethylbenzene, stir 1 hour, filter and package.
Embodiment 2:
A kind of urethane woodenware high-temperature resistant coating silicone alkyd, it is formulated by following ratio of weight and number by following component:
The preparation method of above-mentioned urethane woodenware high-temperature resistant coating silicone alkyd, prepares in accordance with the following methods:
(1) first, at room temperature, in reactor, 25 parts of different n-nonanoic acids are added;
(2) then, 8 parts of neopentyl glycol, 14 parts of TriMethylolPropane(TMP)s, 22 parts of Tetra hydro Phthalic anhydrides and cyclohexane cyclohexanedimethanodibasics 7.5 parts are added, logical nitrogen in reactor, then 155 DEG C are warming up to, control stir speed (S.S.) is 300rmp, stirs 30min, then continues to be warming up to 175 DEG C, and react 2 hours at 175 DEG C, be warming up to 205 DEG C with 3 hours afterwards, react after 1 hour, the acid number of detection system, until system acid number is down to 20mgKOH/g, stopped reaction;
(3) last, the reaction system of step (2) is cooled to 130 DEG C, add the glycol diacetate of 2 parts, 6 parts of 1-Methoxy-2-propyl acetates, 0.8 part of catalyzer and 8 parts of silicone oligomers, then said temperature and stir speed (S.S.) is kept, react 2 hours, finally add the methylcyclohexane of 3 parts, 30 parts of dimethylbenzene, stir 2 hours, filter and package.
Embodiment 3
A kind of urethane woodenware high-temperature resistant coating silicone alkyd, it is formulated by following ratio of weight and number by following component:
The preparation method of above-mentioned urethane woodenware high-temperature resistant coating silicone alkyd, prepares in accordance with the following methods:
(1) first, at room temperature, in reactor, 23 parts of different n-nonanoic acids are added;
(2) then, 7 parts of neopentyl glycol, 12 parts of TriMethylolPropane(TMP)s, 21 parts of Tetra hydro Phthalic anhydrides and cyclohexane cyclohexanedimethanodibasics 7 parts are added, logical nitrogen in reactor, then 150 DEG C are warming up to, control stir speed (S.S.) is 250rmp, stirs 30min, then continues to be warming up to 170 DEG C, and react 1 hour at 165 DEG C, be warming up to 200 DEG C with 2 hours afterwards, react after 0.5 hour, the acid number of detection system, until system acid number is down to 10mgKOH/g, stopped reaction;
(3) last, the reaction system of step (2) is cooled to 120 DEG C, add the glycol diacetate of 1-2 part, 5 parts of 1-Methoxy-2-propyl acetates, 0.7 part of catalyzer and 7.5 parts of silicone oligomers, then said temperature and stir speed (S.S.) is kept, react 2 hours, finally add the methylcyclohexane of 2.5 parts, 27 parts of dimethylbenzene, stir 1 hour, filter and package.
Embodiment 4-6 is a kind of preparation of urethane woodenware high-temperature resistant coating
Embodiment 4
A kind of urethane woodenware high-temperature resistant coating, it is formulated by following ratio of weight and number by following component:
The preparation method of above-mentioned urethane woodenware high-temperature resistant coating, prepares in accordance with the following methods:
(1) first in dispersion cylinder, silicone alkyd, vinyl chloride-vinyl acetate resin, dimethyl formamide is added
1-Methoxy-2-propyl acetate, N-BUTYL ACETATE, dispersion agent, defoamer, open stirrer and within 10-12 minute, stir with the rotating speed mixing of 800-1000 rev/min;
(2) then add flatting silica, anti-settling agent, the rotating speed mixing that stirring velocity is adjusted to 1300-1500 rev/min stirs for 12-15 minute.
(3) again add dimethylbenzene, flow agent, vinyl acetic monomer, the rotating speed mixing that stirring velocity is adjusted to 1000-1200 rev/min stirs for 10-12 minute.
Embodiment 5
A kind of urethane woodenware high-temperature resistant coating, it is formulated by following ratio of weight and number by following component:
The preparation method of above-mentioned urethane woodenware high-temperature resistant coating, prepares in accordance with the following methods:
(1) first in dispersion cylinder, silicone alkyd, vinyl chloride-vinyl acetate resin, dimethyl formamide is added
1-Methoxy-2-propyl acetate, N-BUTYL ACETATE, dispersion agent, defoamer, open stirrer and then add flatting silica, anti-settling agent with 800-1000 (2), the rotating speed mixing that stirring velocity is adjusted to 1300-1500 rev/min stirs for 12-15 minute.
(3) again add dimethylbenzene, flow agent, vinyl acetic monomer, the rotating speed mixing that stirring velocity is adjusted to 1000-1200 rev/min stirs for 10-12 minute.
Embodiment 6
A kind of urethane woodenware high-temperature resistant coating, it is formulated by following ratio of weight and number by following component:
The preparation method of above-mentioned urethane woodenware high-temperature resistant coating, prepares in accordance with the following methods:
(1) first add in dispersion cylinder silicone alkyd, vinyl chloride-vinyl acetate resin, dimethyl formamide,
1-Methoxy-2-propyl acetate, N-BUTYL ACETATE, dispersion agent, defoamer, open stirrer and within 10-12 minute, stir with the rotating speed mixing of 800-1000 rev/min;
(2) then add flatting silica, anti-settling agent, the rotating speed mixing that stirring velocity is adjusted to 1300-1500 rev/min stirs for 12-15 minute.
(3) again add dimethylbenzene, flow agent, vinyl acetic monomer, the rotating speed mixing that stirring velocity is adjusted to 1000-1200 rev/min stirs for 10-12 minute.
Through the test to the present embodiment, every technical performance index and the experimental data of urethane woodenware high-temperature resistant coating of the present invention are as shown in the table:
Test result from the above embodiments: the heat insulation and preservation effect of polyurethane carpentry paint of the present invention is good.
Above-mentioned embodiment is just explained in detail technical scheme of the present invention, and the present invention has more than and is only confined to above-described embodiment, and every any improvement according to the principle of the invention or replacement, all should within protection scope of the present invention.
Claims (10)
1. a urethane woodenware high-temperature resistant coating, is characterized in that, it is formulated by following ratio of weight and number by following component:
2. urethane woodenware high-temperature resistant coating according to claim 1, is characterized in that: described silicone alkyd is formulated by following ratio of weight and number by following component:
3. urethane woodenware high-temperature resistant coating according to claim 2, is characterized in that: described catalyzer is tetrabutyl titanate.
4. urethane woodenware high-temperature resistant coating according to claim 2, is characterized in that: described silicone oligomer is methyl phenyl silicone.
5. urethane woodenware high-temperature resistant coating according to claim 2, is characterized in that: described silicone alkyd is prepared from accordance with the following methods:
(1) first, at room temperature, in reactor, the different n-nonanoic acid of 21-25 part is added;
(2) then, add 6-8 part neopentyl glycol, 10-14 part TriMethylolPropane(TMP), 19.5-22 part Tetra hydro Phthalic anhydride and cyclohexane cyclohexanedimethanodibasic 6.5-7.5 part, logical nitrogen in reactor, then 145-155 DEG C is warming up to, control stir speed (S.S.) is 200-300rmp, stir 20-30min, then continue to be warming up to 165-175 DEG C, and 1-2 hour is reacted at 165-175 DEG C, be warming up to 200-205 DEG C with 2-3 hour afterwards, react after 0.5-1 hour, the acid number of detection system, until system acid number is down to 10-20mgKOH/g, stopped reaction;
(3) last, the reaction system of step (2) is cooled to 120-130 DEG C, add the glycol diacetate of 1-2 part, 4-6 part 1-Methoxy-2-propyl acetate, 0.65-0.8 part catalyzer and 7-8 part silicone oligomer, then said temperature and stir speed (S.S.) is kept, reaction 1-2 hour, finally add the methylcyclohexane of 2-3 part, 25-30 part dimethylbenzene, stir 1-2 hour, filter and package.
6. urethane woodenware high-temperature resistant coating according to claim 1, is characterized in that: described flatting silica is Pq Corp. of Britain HP860.
7. urethane woodenware high-temperature resistant coating according to claim 1, is characterized in that: described flow agent is German Bi Ke company BYK333.
8. urethane woodenware high-temperature resistant coating according to claim 1, is characterized in that: described defoamer is German Bi Ke company BYK052.
9. urethane woodenware high-temperature resistant coating according to claim 1, is characterized in that: described dispersion agent is German Bi Ke company BYK104S; Described anti-settling agent is Supreme Being Si Balong 6900-20X.
10., according to the preparation method of the urethane woodenware high-temperature resistant coating in claim 1-9 described in any one, it is characterized in that: comprise the following steps:
(1) first, in dispersion cylinder, add silicone alkyd 70-80 part, 1-Methoxy-2-propyl acetate 1-3 part, N-BUTYL ACETATE 6-8 part, vinyl chloride-vinyl acetate resin 2-4 part, dimethyl formamide 0.5-1.5 part, dispersion agent 0.3-0.6 part, defoamer 0.2-0.4 part, open stirrer and stir 10-12 minute with the rotating speed of 800-1000 rev/min;
(2) then, add flatting silica 3-6 part, anti-settling agent 0.5-1.5 part, improve stir speed (S.S.) to 1300-1500 rev/min, stir 12-15 minute;
(3) last, add dimethylbenzene 25-30 part, flow agent 0.2-0.4 part, vinyl acetic monomer 3-5 part, reduce stirring velocity to 1000-1200 rev/min, stir 10-12 minute.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510777334.4A CN105349007A (en) | 2015-11-13 | 2015-11-13 | Polyurethane woodenware high-temperature resistant coating and preparing method thereof |
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| CN201510777334.4A CN105349007A (en) | 2015-11-13 | 2015-11-13 | Polyurethane woodenware high-temperature resistant coating and preparing method thereof |
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| CN105349007A true CN105349007A (en) | 2016-02-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107722829A (en) * | 2017-10-25 | 2018-02-23 | 成都纽兰晶茂商贸有限公司 | A kind of wood furniture is painted with flame-proof antibiotic |
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| CN1887994A (en) * | 2006-07-17 | 2007-01-03 | 孟祥开 | High weather resistance paint containing silicone resin and its prepn |
| CN101792522A (en) * | 2010-03-12 | 2010-08-04 | 江门市制漆厂有限公司 | Water-white transparent yellowing-resistant alkide resin and preparation method thereof |
| CN102391772A (en) * | 2011-06-28 | 2012-03-28 | 上海巴德士化工新材料有限公司 | Low-odor yellowing-resistant polyurethanes matt varnish used for woodware |
| CN103145966A (en) * | 2012-12-24 | 2013-06-12 | 新疆红山涂料有限公司 | Air drying type organic silicon modified alkyd resin and production method thereof |
-
2015
- 2015-11-13 CN CN201510777334.4A patent/CN105349007A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1887994A (en) * | 2006-07-17 | 2007-01-03 | 孟祥开 | High weather resistance paint containing silicone resin and its prepn |
| CN101792522A (en) * | 2010-03-12 | 2010-08-04 | 江门市制漆厂有限公司 | Water-white transparent yellowing-resistant alkide resin and preparation method thereof |
| CN102391772A (en) * | 2011-06-28 | 2012-03-28 | 上海巴德士化工新材料有限公司 | Low-odor yellowing-resistant polyurethanes matt varnish used for woodware |
| CN103145966A (en) * | 2012-12-24 | 2013-06-12 | 新疆红山涂料有限公司 | Air drying type organic silicon modified alkyd resin and production method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 陈平等: "有机硅改性醇酸树脂", 《高分子合成材料学》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107722829A (en) * | 2017-10-25 | 2018-02-23 | 成都纽兰晶茂商贸有限公司 | A kind of wood furniture is painted with flame-proof antibiotic |
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