CN103627279B - Mono-component aqueous elastic finish paint and preparation method thereof - Google Patents
Mono-component aqueous elastic finish paint and preparation method thereof Download PDFInfo
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- CN103627279B CN103627279B CN201310576524.0A CN201310576524A CN103627279B CN 103627279 B CN103627279 B CN 103627279B CN 201310576524 A CN201310576524 A CN 201310576524A CN 103627279 B CN103627279 B CN 103627279B
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Abstract
The invention provides a kind of mono-component aqueous elastic finish paint and preparation method thereof, coating performance requirement for current free stuff and rattan woodwork, the adjustment of performance and usage ratio by utilizing water-borne acrylic resin and waterborne polyurethane resin, solve coating material pliability, poor flexibility and technical problem easy to crack, meet client's technology requirement to flexible material application. The present invention to mainly comprise composition as follows: water-borne acrylic resin 50%-60%, waterborne polyurethane resin 25%-35%, wetting agent 0.2%-0.5%, defoamer 0.3%-0.5%, cosolvent 6%-8%, thickening agent 0.4%-0.6%, preservative 0.1%-0.3%, antifungus agent 0.1%-0.3%, water 6%-8%.
Description
Technical field
The present invention relates to a kind of mono-component aqueous elastic finish paint and preparation method thereof, belong to water-borne wood coating field.
Background technology
Free stuff, such as rattan woodwork, Masson Pine etc., the coating products used due to its function and purposes requirement has environmental protection, suppleness height, elastic excellent and wear-resisting performance.
Water-borne wood coating is one of product of most environmental protection, but water-borne wood coating product pliability conventional at present deficiency poor, elastic is easily caused by cracking, it is impossible to well meet the requirement of free stuff product.
In water-borne wood coating, the pliability of product and elasticity depend primarily on the performance of water-base resin and corresponding additive, by using the mediation of resin and auxiliary agent, need to take into account the anti-wear performance of product, to solve its pliability, elasticity and anti-wear performance simultaneously.
Summary of the invention
By the present invention in that water-base resin and the effect of system auxiliary agent by pliability, elastic performance excellence, invent a kind of mono-component aqueous elastic finish paint, to solve pliability technical problem poor, logy.
A kind of mono-component aqueous elastic finish paint of the present invention, realizes mainly through in the following manner:
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Preferably, water-borne acrylic resin is the model that Lubrizol Corp. of the U.S. produces is pure third resin of CR-728, its solid containing for: 42%, self-crosslinking, acrylic copolymeric resin, there is chemical resistance and the polluting proofing property of excellence.
Preferably, waterborne polyurethane resin is the model that Lubrizol Corp. of the U.S. produces is Sancure825 resin, its solid containing for: 34%, percentage elongation is 200%, has a wearability of excellence, water-fast, alkaline-resisting, alcohol resistance is excellent.
Preferably, wetting agent is the Tego270 of Tego company.
Preferably, defoamer is the BYK028 of Tego902W and the BYK company of Tego company, for therein one or both with the intermixture of 1:2 ratio.
Preferably, cosolvent be DOW company produce DPM and DPnB, for therein one or both in the mixed solvent of 1:3 ratio.
Preferably, thickening agent is the model of the production of Ming Ling company is PUR42.
Preferably, preservative is the model that DOW company produces is HATHONLXE.
Preferably, antifungus agent is the model that DOW company produces is ROCIMA350.
Water and domestic water.
The preparation process of the present invention is as follows:
(1) in clean satisfactory container A, water-borne acrylic resin 50% ~ 60% and waterborne polyurethane resin 25% ~ 35% it are sequentially added into by weight percentage.
(2) starting stirring, disperse with rotating speed 400 ~ 600r/min low speed, be sequentially added into wetting agent 0.2% ~ 0.4%, defoamer 0.3 ~ 0.5%, with rotating speed 1000 ~ 1400r/min high speed dispersion 10 ~ 15min.
(3) in clean satisfactory container B, cosolvent 6% ~ 8% and water 5% ~ 6% are added, low speed dispersion 5min, form homodisperse mixed solution, stop stirring, this mixed solution is added in container A.
(4) adding thickening agent 0.4% ~ 0.6%, water 1% ~ 2% adjusts viscosity to 65-70KU/25oC, high-speed stirred 5min.
(5) preservative 0.1% ~ 0.3%, antifungus agent 0.1% ~ 0.3%, dispersed 5min it are sequentially added into.
Occupation mode: the adjustment that directly adds water during use, to required viscosity, can adopt the form of construction work of spraying, brushing, roller coat, showering.
By the present invention in that the collocation with water-borne acrylic resin with waterborne polyurethane resin, allow paint film while having certain hardness, there is higher pliability, ensure that the shock resistance of its paint film, in some other patience, (wear-resisting, polluting proofing property etc.) also have a certain upgrade.
Detailed description of the invention
Below by specific embodiment, the present invention will be further described.
In following example, it is CR-728 resin that described water-borne acrylic resin is the model of Lubrizol Corp. of U.S. production; It is Sancure825 resin that described waterborne polyurethane resin is the model of Lubrizol Corp. of U.S. production; Described wetting agent is the Tego270 of Tego company; Described defoamer be the BYK028 of Tego902W and the BYK company of Tego company therein one or both with the intermixture of 1:2 ratio; Described cosolvent be DOW company produce DPM and DPnB therein one or both in the mixed solvent of 1:3 ratio; Described thickening agent is the model of the production of Ming Ling company is PUR42; Described preservative is the model that DOW company produces is HATHONLXE; Described antifungus agent is the model that DOW company produces is ROCIMA350.
Embodiment 1
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The preparation process of described a kind of mono-component aqueous elastic finish paint is as follows:
(1) in clean satisfactory container A, water-borne acrylic resin 50kg and waterborne polyurethane resin 35kg it is sequentially added into.
(2) starting stirring, disperse with rotating speed 400 ~ 600r/min low speed, be sequentially added into wetting agent Tego2700.4kg, defoamer Tego902W0.1kg, BYK0280.2kg, with rotating speed 1000 ~ 1400r/min high speed dispersion 10 ~ 15min.
(3) in clean satisfactory container B, cosolvent DPM1.8kg, DPnB5.5kg and water 5kg are added, low speed dispersion 5min, form homodisperse mixed solution, stop stirring, this mixed solution is added in container A.
(4) add thickening agent PUR420.4kg, water 1kg and adjust viscosity to 65-70ku/25oC, high-speed stirred 5min.
(5) preservative 0.3kg, antifungus agent 0.3kg, dispersed 5min it are sequentially added into.
Occupation mode: the adjustment that directly adds water during use, to required viscosity, can adopt the form of construction work of spraying, brushing, roller coat, showering.
Embodiment 2
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The preparation process of described a kind of mono-component aqueous elastic finish paint is as follows:
(1) in clean satisfactory container A, water-borne acrylic resin 60kg and waterborne polyurethane resin 25kg it is sequentially added into.
(2) start stirring, disperse with rotating speed 400 ~ 600r/min low speed, be sequentially added into wetting agent Tego2700.2kg, defoamer BYK0280.5kg, with rotating speed 1000 ~ 1400r/min high speed dispersion 10 ~ 15min.
(3) in clean satisfactory container B, cosolvent DPnB7kg and water 5.5kg is added, low speed dispersion 5min, form homodisperse mixed solution, stop stirring, this mixed solution is added in container A.
(4) add thickening agent PUR420.6kg, water 1kg and adjust viscosity to 65-70ku/25oC, high-speed stirred 5min.
(5) preservative 0.1kg, antifungus agent 0.1kg, dispersed 5min it are sequentially added into.
Occupation mode: identical with embodiment 1.
Comparative example 1-2
Get out raw material according to table 1, adopt the preparation method identical with embodiment 1 to prepare comparative example 1 and comparative example 2 respectively.
Comparative example 1 and embodiment 1 are distinctive in that: the water-borne acrylic resin content in comparative example 1 is lower than 50%, and waterborne polyurethane resin content is higher than 35%.
The difference of comparative example 2 and embodiment 1 with: the water-borne acrylic resin content in comparative example 1 is higher than 60%, and waterborne polyurethane resin content is lower than 25%.
Table 1:
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Test example
Adopting the using method identical with embodiment 1, described embodiment constructed under the same terms with comparative example and contrast on same soft ground, concrete experimental condition is as follows:
Ground: Masson Pine
Test method: performance test methods is with reference to GB/T23999-2009.
Table 2:
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By data above it can be seen that the usage ratio of aqueous acrylamide book resin and waterborne polyurethane resin to the dry rate of product of the present invention, adhesive force, hardness and shock-resistant has a significant effect. In comparative example 1, increasing water-borne acrylic resin consumption, dry rate is fast, and hardness is high, but adhesive force and poor impact resistance; In comparative example 2, increasing waterborne polyurethane resin consumption, dry rate is slack-off, adhesive force and poor impact resistance. And embodiment 1 and embodiment 2 are respectively provided with fast dry rate and high hardness, and the adhesive force of excellence and impact resistance.
Water-borne acrylic resin makes it have dry rate and high hardness faster in film forming procedure due to the structure of its polymer and the rigidity of chain length, and containing more hydrophilic group in waterborne polyurethane resin, polymer chain belongs to flexibility simultaneously, therefore film forming procedure is easily caused dry rate slow, but there is extraordinary adhesive force and resistance to impact. Therefore in use, the usage ratio of the two need to be adjusted, take into account the performance requirement of product, make product have dry rate and the hardness of the best, excellent adhesive force and impact resistance.
In addition, physical and chemical performance through product detects and finds, the present invention has good resistance to water and chemical resistance, comprehensive explanation, water-borne acrylic resin and waterborne polyurethane resin in the present invention have best application proportioning, make product have adhesive force and the resistance to impact of excellence, simultaneously, construction is simple, easy to operate, is highly suitable for application and the decoration of flexible substrate.
The main physical and chemical performance testing result of the present invention is as follows, and detection method is referred to GB/T23999-2009.
Claims (7)
1. a single-component water-based elastic finish paint, it is characterised in that constituent and percentage by weight are as follows:
Described water-borne acrylic resin is the CR-728 type acrylic resin that Lubrizol Corp. of the U.S. produces, and described waterborne polyurethane resin is the model that Lubrizol Corp. of the U.S. produces is Sancure825 resin.
2. single-component water-based elastic finish paint according to claim 1, it is characterised in that its viscosity is 65��70KU/25 DEG C.
3. single-component water-based elastic finish paint according to claim 1, it is characterised in that described water-borne acrylic resin is self-crosslinking acrylic copolymer resins, has chemical resistance and the polluting proofing property of excellence.
4. single-component water-based elastic finish paint according to claim 1, it is characterised in that the technology of described waterborne polyurethane resin requires that percentage elongation is 200%, and has the wearability of excellence, resistance to water, alkali resistance, alcohol resistance.
5. single-component water-based elastic finish paint according to claim 1, it is characterised in that defoamer is that the BYK028 of Tego902W and the BYK company of Tego company is therein a kind of or intermixture with mass ratio 1:2 mixing.
6. single-component water-based elastic finish paint according to claim 1, it is characterised in that cosolvent is that DPM and the DPnB of DOW company is therein a kind of or intermixture with mass ratio 1:3 mixing.
7. the preparation method of the single-component water-based elastic finish paint described in claim 1��6 any one, it is characterised in that its preparation method mainly has following steps:
(1) in clean satisfactory container A, water-borne acrylic resin and waterborne polyurethane resin it are sequentially added into by weight percentage;
(2) dispersed with stirring, is sequentially added into wetting agent, and defoamer, with rotating speed 1000��1400r/min high speed dispersion 10��15min;
(3) in clean satisfactory container B, add cosolvent and water, form homodisperse mixed solution, be subsequently adding in container A;
(4) adding thickening agent, water adjusts viscosity, high-speed stirred 5min;
(5) preservative 0.1%��0.3%, antifungus agent 0.1%��0.3%, dispersed 5min it are sequentially added into.
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| CN103627279B true CN103627279B (en) | 2016-06-08 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106366886A (en) * | 2016-08-31 | 2017-02-01 | 阜南县大自然工艺品有限公司 | Waterborne polyurethane anticorrosive paint for moisture-proof and mothproof rattan craftwork and preparation method thereof |
| CN106700689B (en) * | 2016-12-05 | 2017-12-26 | 中山永辉化工股份有限公司 | Special aqueous wooden ware white paint of a kind of children furniture and preparation method thereof |
| CN107286817A (en) * | 2017-08-07 | 2017-10-24 | 湖南省金海科技有限公司 | A kind of inorganic decorating board timber-used showering Lacquer finish technique and preparation method for coating |
| CN107858048A (en) * | 2017-11-16 | 2018-03-30 | 中山市阿里大师新材料有限公司 | A kind of high glaze aqueous wooden ware gloss varnish and preparation method thereof |
| CN110054941B (en) * | 2018-01-17 | 2023-02-21 | 科思创德国股份有限公司 | Single-component water-based polyurethane coating composition and preparation method thereof |
| CN109825152A (en) * | 2019-02-14 | 2019-05-31 | 天津通用科技有限公司 | A kind of inner wall surface basis protective coating and preparation method thereof |
| CN110643239A (en) * | 2019-09-17 | 2020-01-03 | 君子兰涂料（天津）有限公司 | Research, development and preparation method of water-based single-component finish paint with ultralow odor in cabinet |
| CN111534171A (en) * | 2020-04-03 | 2020-08-14 | 沪宝新材料科技（上海）股份有限公司 | Single-component water-based finish paint for plastic track and preparation method thereof |
| CN114085577A (en) * | 2021-12-23 | 2022-02-25 | 东莞市涂芭新材料有限公司 | Water-based antiviral negative oxygen ion woodenware coating and preparation method thereof |
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| CN102367358A (en) * | 2011-06-30 | 2012-03-07 | 成都倍大涂料有限公司 | Waterborne single-component full-glossy white finish and preparation method thereof |
| CN102746756A (en) * | 2012-07-23 | 2012-10-24 | 河北晨阳工贸集团有限公司 | Water-based acrylic polyurethane finish and preparation method thereof |
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| JPWO2011096480A1 (en) * | 2010-02-05 | 2013-06-10 | 関西ペイント株式会社 | Aqueous primer composition and coating method using the same |
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|---|---|---|---|---|
| CN102367358A (en) * | 2011-06-30 | 2012-03-07 | 成都倍大涂料有限公司 | Waterborne single-component full-glossy white finish and preparation method thereof |
| CN102746756A (en) * | 2012-07-23 | 2012-10-24 | 河北晨阳工贸集团有限公司 | Water-based acrylic polyurethane finish and preparation method thereof |
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| 高硬度单组分水性木器漆的研制;陈中华等;《应用化工》;20090131;第38卷(第1期);第55页表1、第55页第2.1节、第54页第1.1节、第56页表5、第55页第1.3节 * |
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Address after: 528427 No. 108, Zhengxing Road, Nantou Town, Zhongshan City, Guangdong Province Patentee after: Guangdong bards new materials Co.,Ltd. Address before: 528427 No. 108, Zhengxing Road, Nantou Town, Zhongshan City, Guangdong Province Patentee before: GUANGDONG BADESE CHEMICAL Co.,Ltd. |