Watersoluble pure acrylic emulsion for construction and method of producing the same
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A pure acrylic emulsion, water-based technology, applied in the direction of latex paint, coating, etc., to achieve the effect of excellent weather resistance and aging resistance, good alkali resistance and water impermeability, and simple synthesis process
Inactive Publication Date: 2009-02-18
JIANGSU UNIV OF SCI & TECH
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Problems solved by technology
[0003] In order to solve the technical problems and deficiencies existing in the existing pure acrylic emulsion, the purpose of the present invention is to improve the performance of the existing pure acrylic emulsion, thereby providing a new type of water-based building pure acrylic emulsion with excellent performance
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Embodiment 1
[0019] 1. Raw material formula: deionized water 75kg
[0020] Methyl methacrylate 13kg
[0021] Butyl acrylate 10kg
[0022] Methacrylic acid 1kg
[0023] OP-10 0.4kg
[0024] Sodium dodecylbenzenesulfonate 0.2kg
[0025] Potassium persulfate 0.1kg
[0026] Sodium bicarbonate 0.1kg
[0027] Reactive emulsifier 0.1kg
[0028] Ammonia 0.1kg
[0029] 2. Preparation method:
[0030] (1) Add 4 / 5 deionized water, butyl acrylate, methyl methacrylate, methacrylic acid, nonylphenol polyoxyethylene ether, sodium dodecylbenzenesulfonate, and reactive emulsifier to emulsification In the container, after emulsification, add sodium bicarbonate and stir evenly to make a milky white mixture;
[0031] (2) Put the remaining 1 / 5 deionized water in the emulsification container, and heat it in a water bath. When the temperature is at 50°C, add some potassium persulfate, raise the temperature to 80-88°C, and keep it warm for 1 hour;
[0032] (3) Add the remaining potassium persulfate drop...
Embodiment 2
[0035] 1. Raw material formula: deionized water 65kg
[0036] Methyl methacrylate 15kg
[0037] Butyl acrylate 12kg
[0038] Methacrylic acid 5kg
[0039] 0P-10 1kg
[0040] Sodium dodecylbenzenesulfonate 0.5kg
[0041] Potassium persulfate 0.6kg
[0042] Sodium bicarbonate 0.4kg
[0043] Reactive emulsifier 0.4kg
[0044] Ammonia 0.1kg
[0045] Two, preparation method is identical with embodiment 1.
example 3
[0047] 1. Raw material formula: deionized water 68kg
[0048] Methyl methacrylate 10kg
[0049] Butyl acrylate 20kg
[0050] Methacrylic acid 1kg
[0051] OP-10 0.4kg
[0052] Sodium dodecylbenzenesulfonate 0.1kg
[0053] Potassium persulfate 0.1kg
[0054] Sodium bicarbonate 0.1kg
[0055] Reactive emulsifier 0.1kg
[0056] Ammonia 0.2kg
[0057] Two, preparation method is identical with embodiment 1.
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Abstract
The invention discloses aqueous building pure acrylic emulsion and a preparation method thereof, which belongs to the technical field of paint and is improved based on the prior art. The emulsion is synthesized with the materials by the following weight percent: 65 to 75 percent of de-ionized water; 10 to 15 percent of methyl methacrylate; 10 to 20 percent of butyl acrylate; 1 to 5 percent of methacrylic acid; 0.4 to 1 percent of OP-10; 0.1 to 0.5 percent of sodium dodecyl benzene sulfonate; 0.1 to 0.6 percent of potassium persulfate; 0.1 to 0.5 percent of sodium bicarbonate; 0.1 to 0.5 percent of reactive emulsifying agent; and 0.1 to 0.2 percent of ammonia. The aqueous building pure acrylic emulsion has the advantages of acid resistance, alkali resistance, excellent imperviousness, excellent low temperature flexibility, weatherability and ageing resistance, proper viscosity of pure acrylic emulsion, high stability, simple synthetic process, low price, no environmental pollution and meeting the technical requirement of aqueous building pure acrylic emulsion, thus being very promising in application in market.
Description
technical field [0001] The invention relates to the field of architectural coatings, in particular to a water-based architectural pure acrylic emulsion and a preparation method thereof. Background technique [0002] Pure acrylic emulsion has been developed and produced at home and abroad for a long time, but compared with the actual application requirements of pure acrylic emulsion, there are still some problems, mainly the minimum film forming temperature is too high, and the rheology of the emulsion, especially the viscosity, cannot be effectively adjusted. In order to solve the problems existing in the existing pure acrylic emulsion and develop a pure acrylic emulsion for construction with excellent performance, it is a hot topic of research by researchers at home and abroad. The traditional pure acrylic emulsion is mainly formed by the copolymerization of methyl methacrylate, butyl acrylate and a small amount of acrylic acid. The pure acrylic emulsion formed by the poly...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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