What kind of filming aid is used for waterborne acrylic acid?

2019-05-28

What kind of filming aid is used for waterborne acrylic acid?-Ask the water-based paint expert
Question: What kind of filming aid is used for waterborne acrylic acid?
Answer: Film-forming auxiliaries are a key auxiliaries in water-based paint formulations. There are also many formulators who consult us about this aspect of knowledge.

First of all, it must be made clear that the film forming agent has a compatibility problem with the resin system, a good film forming agent in one system in another water-based wood paint may cause system instability, or serious, or bad repainting.This is due to the structure of water - based acrylic resin differences.
Different phases have different hydrophilic/oil-hydrophilic characteristics, and various film forming AIDS have different lipophilicity. For example, dipropylene glycol methyl ether (DPM) is more hydrophilic than dipropylene glycol butyl ether (DPnB), with lower lipophilicity.If the outer layer of water-based acrylic emulsion particles is a highly oil-wet phase, the addition of DPM will not only have an insignificant effect on film formation, but also cause the excess DPM to float in water and affect other properties of water-based paint film .

So, "What kind of filming aid is used for waterborne acrylic acid?"Such questions need to be treated on a case-by-case basis.In general, high Tg resin, usually need to add more film forming agents in the formula, so that the polymer in the emulsion particles mutual penetration, promote the film quality.As for the specific choice of film forming agent, this need to consult the water acrylic acid manufacturers.
I hope our answers have been helpful.How do you have more specific requirements,You can contact us directly.For more information about water-based coatings, you can also visit sinograce chemical's water-based coatings knowledge base, and the recipes in our water-based coatings library.Or ask questions directly to us through our water-based paint expert column.

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