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Antibacterial styrene-acrylic emulsion, preparation method and application

A styrene-acrylic emulsion and emulsion technology, which is applied in the field of building decoration materials, can solve the problems of uneven dispersion and easy leakage of antibacterial additives, and achieve the effects of good dispersion and corrosion inhibition, not easy to leak out, and convenient use

Inactive Publication Date: 2017-12-19
ANHUI UNIVERSITY OF ARCHITECTURE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the uneven dispersion and easy seepage of the added antibacterial additives, etc.

Method used

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  • Antibacterial styrene-acrylic emulsion, preparation method and application
  • Antibacterial styrene-acrylic emulsion, preparation method and application
  • Antibacterial styrene-acrylic emulsion, preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The preparation process of the antibacterial styrene-acrylic emulsion of the present embodiment is as follows:

[0031] (1) Weigh 0.4g of sodium lauryl sulfate into a 50mL beaker, add 50mL of deionized water, heat slightly and stir manually to dissolve, then add 1g of OP-10 emulsifier, mix well, heat up to 75°C, Component 1 is obtained.

[0032] (2) Weigh 0.5g of ammonium persulfate into a 100mL beaker, add 10mL of deionized water, shake to dissolve, and obtain component 2;

[0033] (3) Weigh 0.2g of sodium bisulfite into a 100mL beaker, add 10mL of deionized water, shake to dissolve, and obtain component 3;

[0034] (4) Weigh 1g of acryloyloxyethyltrimethylammonium chloride, put it into a 50mL beaker, add 10mL of deionized water, shake to dissolve, and obtain component 4;

[0035] (5) Weigh 25 g of styrene and 25 g of butyl acrylate into a 500 mL beaker, and mix well to obtain component 5;

[0036] (6) In a four-necked bottle equipped with a stirrer, a thermometer, ...

Embodiment 2

[0041] The preparation process of the antibacterial styrene-acrylic emulsion of the present embodiment is as follows:

[0042] (1) Weigh 0.4g of sodium lauryl sulfate into a 50mL beaker, add 50mL of deionized water, heat slightly and stir manually to dissolve, then add 1g of OP-10 emulsifier, mix well to obtain component 1;

[0043] (2) Weigh 0.5g of ammonium persulfate into a 100mL beaker, add 10mL of deionized water, shake to dissolve, and obtain component 2;

[0044] (3) Weigh 0.2g of sodium bisulfite into a 100mL beaker, add 10mL of deionized water, shake to dissolve, and obtain component 3;

[0045] (4) Weigh 1g of allyltrimethylammonium chloride, put it into a 50mL beaker, add 10mL of deionized water, shake to dissolve, and obtain component 4;

[0046] (5) Weigh 25 g of styrene and 25 g of butyl acrylate into a 500 mL beaker, and mix well to obtain component 5;

[0047] (6) In a four-necked bottle equipped with a stirrer, a thermometer, a condenser and a dropping funne...

Embodiment 3

[0052]The preparation process of the antibacterial styrene-acrylic emulsion of the present embodiment is as follows:

[0053] (1) Weigh 0.4g of sodium lauryl sulfate into a 50mL beaker, add 50mL of deionized water, heat slightly and stir manually to dissolve. Then add 1g of OP-10 emulsifier and mix well to obtain component 1;

[0054] (2) Weigh 0.5g of ammonium persulfate into a 100mL beaker, add 10mL of deionized water, shake to dissolve, and obtain component 2;

[0055] (3) Weigh 0.2g of sodium bisulfite into a 100mL beaker, add 10mL of deionized water, shake to dissolve, and obtain component 3;

[0056] (4) Weigh 2g of acryloyloxyethyltrimethylammonium chloride into a 50mL beaker, add 10mL of deionized water, shake to dissolve, and obtain component 4;

[0057] (5) Weigh 25 g of styrene and 25 g of butyl acrylate into a 500 mL beaker, and mix well to obtain component 5;

[0058] (6) In a four-necked bottle equipped with a stirrer, a thermometer, a condenser and a dropping...

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Abstract

The invention discloses an antibacterial styrene-acrylic emulsion, and a preparation method and the application thereof. The emulsion is prepared from the following components in parts by weight: 40 to 60 parts of deionized water, 15 to 20 parts of styrene, 15 to 20 parts of butyl acrylate, 3 to 5 parts of an emulsifier, 1 to 2 parts of a water-soluble initiator, 0.5 to 1 part of an oxidation-reduction system initiator, 2 to 7 parts of an antibacterial monomer, 0.1 to 0.3 part of a pH value regulator and 3 to 5 parts of other auxiliaries. By taking a main measure of adding a monomer having the antibacterial function for participation in polymerization reaction during synthesis of the styrene-acrylic emulsion, the styrene-acrylic emulsion has an antibacterial function, and no antibacterial auxiliary is needed; moreover, the styrene-acrylic emulsion is uniform in dispersion and difficult to seep. The antibacterial styrene-acrylic emulsion has the characteristics that the styrene-acrylic emulsion is high in efficiency and low in toxicity, is hardly affected by the change of the pH value, and is convenient to use, has a relatively strong stripping function for a mucous layer, is stable in chemical property, and has relatively good dispersion and corrosion inhibition effects.

Description

technical field [0001] The invention relates to a building decoration material, in particular to an antibacterial styrene-acrylic emulsion, a preparation method and application. Background technique [0002] Styrene-acrylic emulsion (styrene-acrylate emulsion) is mainly obtained by emulsion copolymerization of styrene and acrylate monomers. It is one of the top ten non-crosslinked emulsions with important industrial application value in the world today. As an important class of intermediate chemical products, styrene-acrylic emulsion has a very wide range of uses. It is mainly used as architectural coatings, metal surface latex coatings, floor coatings, paper adhesives, adhesives, etc. Because styrene-acrylic emulsion has good adhesion, transparent film, good water resistance, oil resistance, heat resistance and aging resistance, it is widely used in interior and exterior wall coatings. In order to improve the comprehensive performance of styrene-acrylic emulsion coatings fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08F212/08C08F220/18C08F220/34C08F226/02C08F4/40C09D125/14C09D133/08C09D5/14
CPCC08F4/40C08F212/08C08F220/18C09D5/14C09D125/14C09D133/08C08F220/1804C08F220/34C08F226/02
Inventor 胡先海陈建利程从亮刘瑾
Owner ANHUI UNIVERSITY OF ARCHITECTURE
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