CN103589327B - Photocuring is except formaldehyde environmental protection coating material and preparation method thereof - Google Patents
Photocuring is except formaldehyde environmental protection coating material and preparation method thereof Download PDFInfo
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Abstract
The present invention has disclosed a kind of photocuring except formaldehyde environmental protection coating material and preparation method thereof, and it comprises the component with following weight percentage: polyurethane acrylic resin 15-25, epoxy acrylic resin 20-30, hydroxyethyl methacrylate 1-10, tripropylene glycol diacrylate 20-30, trimethylolpropane triacrylate 10-20, light trigger 6-12, except Formaldehyde as Additives 5-15, froth breaking auxiliary agent 2-5 and powder filler 5-15. Adopt that formula of the present invention and preparation method manufacture except formaldehyde environmental protection coating material, it has the persistence of good purifying formaldehyde performance and purifying formaldehyde effect.
Description
Technical field
The present invention relates to a kind of building coating and preparation method thereof, particularly relate to a kind of photocuring except formaldehyde environmental protection coating materialAnd preparation method thereof.
Background technology
Formaldehyde (Formaldehyde), molecular formula is HCOH, is the simplest aldehydes, be under normal circumstances a kind of flammable,Gas colourless and excitatory. Soluble in water, alcohol and ether. 37% formalin is commonly called as formalin, and biological corpse is anti-Rotten agent, special anticorrosion even mothproof aspect, formaldehyde is often widely used in people's livelihood consumer appliance, resin and adhesive agent etc., andAlso Chang great Liang is for the manufacture of all kinds of wood-based plates, paint, coating and wallpaper, and especially wood is made a large amount of block board, the laminations of using of decorationThe sheet materials such as plate. Preferentially control in list at China's toxic chemical, formaldehyde row occupy second, the World Health Organization (WHO) 2004Announced formaldehyde on June 15, and be the carcinogenic and teratogen of the first kind, formaldehyde is the stealthy killer in life at home.
Formaldehyde on the impact of human body be mainly manifested in allotriosmia, stimulation, allergy, abnormal pulmonary function, dysfunction of liver and, there is strong impulse effect the aspects such as immunologic dysfunction to human body skin and mucous membrane, can make the protein coagulating in cell becomeProperty, suppresses all cell functions, and Long Term Contact low dosage formaldehyde can cause chronic respiratory disease, cause nasopharyngeal carcinoma, colon cancer,Reparation, the gestation of commissure and DNA and protein commissure and inhibition DNA damage in the cancer of the brain, nuclear gene mutation, DNA single chainSyndrome, cause neonatal chromosome disorder, leukaemia, cause that teenager's memory and intelligence decline. In all contactees,Children and pregnant woman's PARA FORMALDEHYDE PRILLS(91,95) are particularly responsive, and harm is also just larger. Confirm through WHO, hang up one's hat and pollute and reach at formaldehyde 0.5ppmMore than half a year, easily suffer from the disease of leukemia, nasopharyngeal carcinoma and respiratory system, the concentration of formaldehyde reaches 0.06 in every cubic metres of air～0.07 milligram of/cubic metre of time, will there is slight asthma in children.
The use material on current existing furniture, decorative panel, ceiling, wallpaper and floor, no matter be base material or stickerAll there is the risk that contains formaldehyde, greatly increased home environment security risk.
Summary of the invention
The object of the invention is to exploitation a kind of except formaldehyde environmental protection coating material, its mainly have good purifying formaldehyde performance andThe persistence of purifying formaldehyde effect.
In order to achieve the above object, core technology scheme provided by the invention is as follows: a kind of photocuring is coated with except formaldehyde environmental protectionMaterial, is characterized in that it comprises the component with following weight percentage: polyurethane acrylic resin 15-25, propylene oxideAcid resin 20-30, hydroxyethyl methacrylate 1-10, tripropylene glycol diacrylate 20-30, trimethylolpropane tris acrylic acidEster 10-20, light trigger 6-12, except Formaldehyde as Additives 5-15, froth breaking auxiliary agent 2-5 and powder filler 5-15.
Or a kind of photocuring is except formaldehyde environmental protection coating material, it is characterized in that it comprises having following weight percentageComponent: polyurethane acrylic resin 20-30, epoxy acrylic resin 20-30, hydroxyethyl methacrylate 1-10,1,6-oneself twoAlcohol diacrylate 15-25, trimethylolpropane triacrylate 15-25, light trigger 6-12, except Formaldehyde as Additives 5-15, disappearBubble auxiliary agent 2-5 and powder filler 5-15.
In addition, the present invention also provides following attached technical scheme:
The described composition except Formaldehyde as Additives is spherical chitosan.
Described photocuring is except formaldehyde environmental protection coating material, and its preparation method comprises the steps: first with tripropylene glycol diacrylateEster, trimethylolpropane triacrylate and light trigger be stirring and dissolving under temperature 45 degree conditions, then by polyurethane propyleneAcid resin, epoxy acrylic resin add dispersed with stirring even, then powder filler are divided into trisection and add in batches, finally will removeFormaldehyde as Additives, froth breaking auxiliary agent and hydroxyethyl methacrylate add and stir in scattered above mixed liquor.
Or described photocuring is except formaldehyde environmental protection coating material, its preparation method comprises the steps: first with 1,6-hexylene glycol twoAcrylate, trimethylolpropane triacrylate and light trigger be stirring and dissolving under temperature 45 degree conditions, then will gather ammoniaEster acrylic resin, epoxy acrylic resin add dispersed with stirring even, and then filling part is divided into trisection and adds in batches,After will stir except Formaldehyde as Additives, froth breaking auxiliary agent and hydroxyethyl methacrylate add in scattered above mixed liquorBecome.
Specifically, by selecting special polyurethane acrylic resin and special wear resistant resin, increase physics, the change of filmLearn character, wherein special wear resistant resin comprises epoxy acrylic resin.
By selecting special auxiliary formula, make coating reach the effect that absorbs decomposing formaldehyde, the composition of auxiliary agent is mainBe spherical chitosan (chitin Chitosan), its structure is special has powerful reactive amido (NH2) can with many gaseous statesHarmful substance carry out chemical reaction, therefore for loss to airborne formaldehyde, TVOC (overall organic burst size), chitin is poly-Candy all can, by its seizure elimination, finally reach the object purifying air.
Spherical chitosan system is made by the chitin of shrimp and crab shells, the similar poly-carbohydrate material of structure, and its monomer structure is special, manyIt can be micro-by the formaldehyde molecule collection air Free-formaldehyde molecular breakdown discharging in building materials that the functional group of individual high polarity makes itThe innocuous substance that aqueous vapor and volatility are extremely low " oxime " (adding of additionofderivativeofammonia ammonia derivativeBecome reaction) (it is characterized in that having-C=N-OH yl) have the speciality of natural and environmental protection, can not cause the secondary pollution of environment.
Photocuring removes the UV top coat layer of formaldehyde environmental protection coating material floor surface: (with every m2UV finish paint coating weight 12g, adds ratioRate 15% is calculated): 12g/m2×15％＝1.8g/m2(every m2Addition).
Above dosage is via the every square metre of adsorbable decomposition 1.62 × 10-2mole/m that converts2The formaldehyde of unit, formaldehyde dividesSon amount is 30, then draws (1.6 × 10-2mole/m via conversion2)×30g/mole＝0.486g/m2＝486mg/m2。
That is be 486mg according to every square metre of adsorbable formaldehyde amount after above ratio interpolation and coating.
With the national standard of formaldehyde emission, the every 0.075m of F3 sheet material2(5cm × 15cm × 10 slice) total emissionHeight must not exceed 1.5mg, that is every m2The Gao Buhui of total emission exceedes 20mg.
According to space, suppose that area is 100m2, ground is paved with 100m2, spatial altitude is 3m, that is at this 300m3'sSpace, adsorbable decomposing formaldehyde ability is 48600mg, and the concentration of formaldehyde reaches 0.36mg/m in every cubic metres of air3, peopleWill be quite uncomfortable in this space, and according to above-mentioned data reduction at this 300m3Unless space use sheet materialStandard exceedes 1.5mg/L, and area exceedes 2430m2(but almost there is no this possibility), the therefore energy of the processing formaldehyde of this inventionPower is enough.
Due to each case, decoration condition difference, background value difference, ambient temperature and humidity difference, formaldehyde loss speed is not yetWith, therefore period of validity cannot lump together, but according to above data, if engineering indoorly completing after does not have deliberately, new first in a large numberThe problem of aldehyde pollution sources, it is effective that effect just can forever maintain.
Through inspection, censorship of the present invention is by purifying formaldehyde performance, and purifying formaldehyde effect persistence assay meets countryThe technology of building material industry standard JC/T1074-2008 (function of purifying indoor air coating material purifying property) (I class) regulation refers toMark requirement, in table 1.
Purifying formaldehyde validity check data
| Sequence number | Interventions Requested | Standard-required (I class) | Assay |
| 1 | Purifying formaldehyde performance (%) | ≥75 | 89.6 |
| 2 | Purifying formaldehyde effect persistence (%) | ≥60 | 85.7 |
Table 1
Visible, by using special polyurethane acrylic resin and special wear resistant resin, improve the toughness, wear-resisting of coatingPerformance, has promoted coating surface effect greatly. The special Formaldehyde as Additives that removes of arranging in pairs or groups can reach the effect except formaldehyde after formation dry film.The method processing ease, rate of drying is fast, levelling is good. More existing traditional coating has preferably environmental protection characteristic. And, institute of the present inventionThe photocuring providing is except formaldehyde environmental protection coating material, and it has overcome existing traditional coating and can only reach the function of protection attractive in appearance, not only toolThe function of protection attractive in appearance, increase and removed formaldehyde and the airborne free formaldehyde that base material itself causes again, thereby significantlyReduce the wasting of resources and take into account the function of environmental protection, reducing enterprise's manufacturing cost, improving enterprise's production capacity; Greatly promoting environment defendsGive birth to safety, and reach equally the effect of carbon reduction.
Detailed description of the invention
Embodiment mono-
Embodiment mono-manner of formulation:
Step 1: first with tripropylene glycol diacrylate and trimethylolpropane triacrylate and light trigger in temperatureUnder the condition of 45 degree, stir, dissolve.
Step 2: polyurethane acrylic resin, epoxy acrylic resin are sequentially added in the mixed liquor having prepared and stirredBe uniformly dispersed.
Step 3: powder filler is divided into three equal parts and adds in batches, and it is uniformly dispersed completely. Until without suspending, precipitating itPhenomenon.
Step 4: will be except before Formaldehyde as Additives, froth breaking auxiliary agent, the other dispersed with stirring of hydroxyethyl methacrylate add after evenlyIn the scattered mixed liquor of face, stir until without suspending, the phenomenon of precipitation.
Embodiment bis-
Embodiment bis-manner of formulation:
Step 1: first with 1,6-hexanediyl ester and trimethylolpropane triacrylate and light trigger in temperatureUnder the condition of degree 45 degree, stir, dissolve.
Step 2: polyurethane acrylic resin, epoxy acrylic resin are sequentially added in the mixed liquor having prepared and stirredBe uniformly dispersed.
Step 3: powder filler is divided into three equal parts and adds in batches, and it is uniformly dispersed completely. Until without suspending, precipitating itPhenomenon.
Step 4: will be except before Formaldehyde as Additives, froth breaking auxiliary agent, the other dispersed with stirring of hydroxyethyl methacrylate add after evenlyIn the scattered mixed liquor of face, stir until without suspending, the phenomenon of precipitation.
Comparative example one
Comparative example one manner of formulation:
Step 1: first with propylene glycol diacrylate and trimethylolpropane triacrylate and light trigger in temperatureUnder the condition of 45 degree, stir, dissolve.
Step 2: polyurethane acrylic resin, epoxy acrylic resin are sequentially added in the mixed liquor having prepared and stirredBe uniformly dispersed.
Step 3: powder filler is divided into three equal parts and adds in batches, and it is uniformly dispersed completely. Until without suspending, precipitating itPhenomenon.
Step 4: will be except before Formaldehyde as Additives, froth breaking auxiliary agent, the other dispersed with stirring of hydroxyethyl methacrylate add after evenlyIn the scattered mixed liquor of face, stir until without suspending, the phenomenon of precipitation.
Comparative example two
Comparative example two manner of formulation:
Step 1: first spend in temperature 45 with hydroxyethyl methacrylate and 1,6-hexanediyl ester and light triggerCondition under stir, dissolve.
Step 2: polyurethane acrylic resin, epoxy acrylic resin are sequentially added in the mixed liquor having prepared and stirredBe uniformly dispersed.
Step 3: powder filler is divided into three equal parts and adds in batches, and it is uniformly dispersed completely. Until without suspending, precipitating itPhenomenon.
Step 4: will except Formaldehyde as Additives, froth breaking auxiliary agent, the other dispersed with stirring of polyethylene glycol (400) diacrylate evenly afterAdd in scattered above mixed liquor, stir until without suspending, the phenomenon of precipitation.
The performance test of the various embodiments described above and comparative example, in table 2.
Performance comparison
Table 2
Visible, adopt that formula of the present invention and preparation method manufacture except formaldehyde environmental protection coating material, it is especially at purifying formaldehydeIn the persistence of energy and purifying formaldehyde effect, successful is better than contrasting coating, reaches more than 85%, has greatly promoted environment and has defendedLife and safety are green environmental friendly coatingses.
It is pointed out that above-described embodiment is only explanation technical conceive of the present invention and feature, its object is to allow ripeThe personage who knows technique can understand content of the present invention and implement according to this, can not limit protection model of the present invention with thisEnclose. All equivalences that Spirit Essence is done according to the present invention change, within all should being encompassed in protection scope of the present invention.
Claims (3)
1. photocuring, except a formaldehyde environmental protection coating material, is characterized in that it comprises the component with following weight percentage: poly-Urethane acrylate resin 15-25, epoxy acrylic resin 20-30, hydroxyethyl methacrylate 1-10, tripropylene glycol diacrylateEster 20-30, trimethylolpropane triacrylate 10-20, light trigger 6-12, except Formaldehyde as Additives 5-15, froth breaking auxiliary agent 2-5,And powder filler 5-15; The described composition except Formaldehyde as Additives is spherical chitosan.
2. photocuring, except formaldehyde environmental protection coating material, is characterized in that its preparation method comprises the steps: elder generation as claimed in claim 1Under temperature 45 degree conditions, stir molten with tripropylene glycol diacrylate, trimethylolpropane triacrylate and light triggerSeparate, then add dispersed with stirring even polyurethane acrylic resin, epoxy acrylic resin, then powder filler is divided into three equal partsAdd in batches, finally will add scattered mixed liquor above except Formaldehyde as Additives, froth breaking auxiliary agent and hydroxyethyl methacrylateIn stir.
3. photocuring, except a formaldehyde environmental protection coating material, is characterized in that it comprises the component with following weight percentage: poly-Urethane acrylate resin 20-30, epoxy acrylic resin 20-30, hydroxyethyl methacrylate 1-10,1,6-hexylene glycol two propyleneAcid esters 15-25, trimethylolpropane triacrylate 15-25, light trigger 6-12, except Formaldehyde as Additives 5-15, froth breaking auxiliary agent 2-5 and powder filler 5-15; The described composition except Formaldehyde as Additives is spherical chitosan; Described photocuring is except the system of formaldehyde environmental protection coating materialPreparation Method comprises the steps: first with 1,6-hexanediyl ester, trimethylolpropane triacrylate and light-initiatedAgent is stirring and dissolving under temperature 45 degree conditions, then adds dispersed with stirring equal polyurethane acrylic resin, epoxy acrylic resinEven, then powder filler is divided into three equal parts and adds in batches, finally will be except Formaldehyde as Additives, froth breaking auxiliary agent and hydroxyethyl methacrylateAdd and stir in scattered above mixed liquor.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105038559A (en) * | 2015-08-27 | 2015-11-11 | 保护伞环保科技成都有限公司 | Formaldehyde removing paint |
| CN105131799A (en) * | 2015-08-27 | 2015-12-09 | 保护伞环保科技成都有限公司 | Ultraviolet curable coating for removing formaldehyde |
| CN105776961A (en) * | 2016-02-18 | 2016-07-20 | 吉林省珍贝壳环保新材料有限公司 | Comprehensive environment-friendly shell powder coating |
| CN107652893A (en) * | 2017-10-25 | 2018-02-02 | 广东巴得劳建材科技有限公司 | VOC ecological wall finisses such as a kind of absorption decomposing formaldehyde and preparation method thereof |
| CN107987511A (en) * | 2017-12-01 | 2018-05-04 | 周昭金 | Ultra-violet curing goes the preparation method of formaldehyde polyester film plastics |
| CN108559366A (en) * | 2018-05-22 | 2018-09-21 | Ppg涂料(天津)有限公司 | Except formaldehyde ultraviolet curing coating system |
| CN112175505A (en) * | 2019-07-05 | 2021-01-05 | 常州市大使涂料有限公司 | Sound-absorbing sound-insulating anti-formaldehyde coating |
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| JP2003238844A (en) * | 2002-02-19 | 2003-08-27 | Dainippon Ink & Chem Inc | Ultraviolet curable filler paint composition, painting method and painted building material |
| JP2005255816A (en) * | 2004-03-11 | 2005-09-22 | Daido Kasei Kogyo Kk | Photocurable coating material composition for woody material |
| CN101880502A (en) * | 2010-07-20 | 2010-11-10 | 苏州皇冠涂料科技发展有限公司 | UV gloss oil with water droplet effect |
| CN102952455B (en) * | 2012-11-21 | 2014-12-31 | 深圳市广田环保涂料有限公司 | Ultraviolet light curing transparent priming paint and preparation method and use method thereof |
| CN103305115B (en) * | 2013-06-09 | 2015-08-12 | 金甲化工企业(中山)有限公司 | A kind of ultraviolet-curing paint formula and preparation technology thereof eliminating formaldehyde in air |
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