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PVC (polyvinyl chloride)-used bi-component waterborne coating as well as preparation method and application thereof
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A water-based paint, two-component technology, applied in the field of paint, to achieve the effect of simple construction and excellent adhesion
Inactive Publication Date: 2017-05-31
CHENGDU ZHANCHEN PAINT
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Abstract
Description
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Problems solved by technology
However, compared with oil-based products at this stage, there are still some deficiencies. As a product applied to PVC, the oil-based system is already a very mature product due to its own advantages. This invention attempts to integrate the requirements of both environmental protection and performance. Develop a water-based product for PVC
Method used
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Effect test
Embodiment 1
[0023] A two-component water-based coating for PVC, consisting of a main agent and a curing agent, the curing agent is a water-based polyurethane curing agent, and the main agent is composed of the following raw materials in terms of mass percentage: 54% water-based hydroxyacrylate, 8 % water-based vinyl resin, 0.3% defoamer 1, 0.4% defoamer 2, 0.5% dispersant, 0.3% lubricant, 0.2% leveling agent, 20% titanium dioxide, 0.5% Rheological additive 1, 0.3% rheological additive 2, 0.2% coalescent additive 1, 4% coalescent additive 2, 2% coalescent additive 3, 0.2% pH regulator, The remainder is water;
[0024] Preparation:
[0025] S1. Add the rheological additive, defoamer, and dispersant to the water in turn, stir for 5 minutes at a speed of 300-500 rpm, and mix well;
[0026] S2. Then add titanium dioxide at a rotating speed of 100-200rpm, stir for 15min at a rotating speed of 800-1200rpm, mix evenly, and then sand mill to a fineness≤20 microns;
[0027] S3. Then add water-ba...
Embodiment 2
[0029] A two-component water-based coating for PVC, consisting of a main agent and a curing agent, the curing agent is a water-based polyurethane curing agent, and the main agent is composed of the following raw materials in terms of mass percentage: 46% water-based hydroxyacrylate, 15% % water-based vinyl resin, 0.3% defoamer 1, 0.4% defoamer 2, 0.5% dispersant, 0.3% lubricant, 0.2% leveling agent, 20% titanium dioxide, 0.5% Rheological additive 1, 0.3% rheological additive 2, 0.2% coalescent additive 1, 4% coalescent additive 2, 2% coalescent additive 3, 0.2% pH regulator, The remainder is water;
Embodiment 3
[0031] A two-component water-based paint for PVC, consisting of a main agent and a curing agent, the curing agent is a water-based polyurethane curing agent, and the main agent is composed of the following raw materials in terms of mass percentage: 40% water-based hydroxyacrylate, 18 % water-based vinyl resin, 0.2% defoamer 1, 0.3% defoamer 2, 0.6% dispersant, 0.2% lubricant, 0.3% leveling agent, 25% titanium dioxide, 1% Rheological additive 1, 0.2% rheological additive 2, 0.1% coalescent additive 1, 5% coalescent additive 2, 2.5% coalescent additive 3, 0.1% pH regulator, The remainder is water;
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Abstract
The invention relates to the technical field of coating and particularly relates to PVC (polyvinyl chloride)-used bi-component waterborne coating as well as a preparation method and application thereof. The PVC-used bi-component waterborne coating comprises a main agent and a curing agent, wherein the curing agent is a waterborne polyurethane curing agent; the main agent comprises the following raw materials by mass percentage: 40-60% of waterborne hydroxyl acrylate, 8-18% of waterborne vinyl chloride-vinyl acetate resin, 0.5-1.5% of a defoaming agent, 0.2-2% of a dispersing agent, 0.2-0.5% of a lubricating agent, 0.2-0.5% of a flatting agent, 18-25% of titanium dioxide, 0.4-2% of a rheological agent, 4.1-10.5% of a coalescing agent, 0.1-0.5% of a pH regulator and the balance of water. Compared with the existing oil-based PVC product, the PVC-used bi-component waterborne coating conforms to the environment-friendly requirement, is simple in construction, is directly sprayed on most PVC substrates after raw materials are configured in construction proportion and still has excellent adhesion under a condition of no polishing.
Description
technical field [0001] The invention relates to the technical field of coatings, in particular to a two-component water-based coating for PVC and its preparation method and application. Background technique [0002] With the continuous development of the furniture industry, more and more non-wood materials are used in furniture, such as styrofoam, PVC materials, etc. On the one hand, considering the cost factor, on the other hand, its plasticity and decoration are relatively low. Wood is better. The characteristics of water-based woodware itself, such as low odor, low VOC emission and environmental protection, will make this kind of products a trend in future development. However, compared with oil-based products at this stage, there are still some deficiencies. As a product applied to PVC, the oil-based system is already a very mature product due to its own advantages. This invention attempts to integrate the requirements of both environmental protection and performance. ...
Claims
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Application Information
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