Latex paint is composed of emulsion, pigment, filler, auxiliary agent, bactericide and water. Judging whether latex paint is toxic or not mainly depends on whether the raw materials it adds contain toxic components.

Although some inferior architectural coatings are called latex paints, they don't use the above emulsion at all, but use chemical raw materials such as polyvinyl alcohol, polyvinyl formal, and even starch as binders, especially polyvinyl formal, which often contains a lot of free formaldehyde because of the poor synthesis process, which will bring damage.

during storage or after drying, latex paint is polluted by ubiquitous microorganisms, and with appropriate temperature and humidity, it is easy to make the paint in the paint bucket corrupt, demulsify and produce odor, while the paint film breeds mold and turns black and falls off.

In order to prevent the growth of microorganisms, manufacturers should add some fungicides. At present, there are many varieties to choose from. As long as the selection is appropriate and the amount added is correct, it will not cause harm to human body. However, it does not rule out the possibility that a few manufacturers add mercury salts as bactericides in order to reduce costs. Extended information:

Introduction of latex paint:

1. Latex paint is a common name of latex paint, which was born in the middle and lower period of 197s, and it is a kind of synthetic resin emulsion paint represented by acrylate * * * poly emulsion. Latex paint is a water-dispersible paint, which is based on synthetic resin emulsion and refined by adding various additives after grinding and dispersing the filler.

2. Latex paint has many advantages different from traditional wall paint, such as easy brushing, quick drying, water resistance and good scrubbing resistance. In our country, it is customary to use synthetic resin emulsion as the base material, water as the dispersion medium, add pigments, fillers (also known as body pigments) and additives, and make a coating through a certain process, which is called latex paint, also known as latex paint. ?

3. latex paint for latex paint in mbth. The raw materials are ethylene-propylene latex paint and pure acrylic latex paint, and the main components are emulsion, pigment, filler and various additives.

4. Latex paint is a water-based paint, and its film performance is much better than that of solvent-based paint. The organic solvent which accounts for half of solvent-based paint is replaced by water here, so the toxicity problem of organic solvent is basically solved by latex paint.

5. Latex paint is made of some polymer aqueous solution, which contains a small amount of emulsifier and a small amount of unpolymerized free monomer in addition to water and different types of polymers that are safe and harmless. Free monomers are small molecules that can volatilize, and there are different degrees of toxicity problems. The concentration of free monomers in environmental protection paint is controlled below .1%, and the amount of additives is 2% to 3%. Less than .5% to .1%. Healthy.

6. Latex paint has become one of the main choices for people's interior decoration, but the quality of various latex paints sold in the market is mixed, and some unscrupulous vendors, driven by economic interests, make some unqualified products that do not meet the national standards, so that consumers' physical and mental health is violated to varying degrees. The industry and commerce department reminds consumers to carefully choose latex paint for interior decoration.

7. It is understood that the use of unqualified latex paint is prone to the following problems: formaldehyde in the product exceeds the standard, which is manifested as sneezing, coughing, blurred vision, dizziness, headache, fatigue, palpitation, tears, asthma and other symptoms; The washing resistance of the product is not enough, which affects the service life and weakens its role in protecting the wall.

8. In order to protect consumers' legitimate rights and interests, Muping District Industrial and Commercial Branch reminded consumers to pay attention to the following points when purchasing or using latex paint: when purchasing latex paint, buy products with manufacturer, name, address and production date, and pay attention to the production batch number of its registered trademark.

9. When purchasing latex paint, you can consult related products first, don't be greedy for cheap, and try to choose some well-known brands as far as possible. It is best to choose some large local shopping malls or reputable specialty stores to buy. At the same time, it is necessary to keep the purchase invoice well. If quality problems are found in latex paint after use, you should report complaints to the local industry and commerce, quality inspection or consumers association in time.

reference: Baidu encyclopedia latex paint.