Anti-mildew agent JM-651 for paints

2021-10-20   Pageview:207

JM-651 is a highly effective, broad-spectrum, low-toxicity fungicidal preservative for emulsion paints, polymer emulsions, pigment pastes and other water-based coatings. It can be used to inhibit the growth of bacteria and fungi in the production and storage of printing inks and other organic products containing water.

 

 

 

 

 

 

 

 

 

 

Marine fouling process and anti-fouling mechanism
Ocean fouling process
Marine biological fouling is divided into three levels: ①molecular foul-ing, which is the aggregation of inorganic and organic molecules in seawater on the surface; ②mi-cro fouling, which is bacteria, fungi, micro The attachment of algae and diatoms on the surface; ③macro foul ig, is the growth of large marine fouling plants and animals on the surface. Large fouling organisms are further divided into soft fouling organisms (such as algae, water squirts, sea squirts, etc.) and hard fouling organisms (such as barnacles, oysters, lime worms, etc.).

It is generally believed that the defacement process is divided into four stages:
In the first stage, organic molecules such as polysaccharides, proteins, protein hydrolysates, raw carnauba wax and inorganic compounds aggregate on the surface to form a so-called conditioning film. This process is mainly controlled by physical dynamics such as Brownian motion, electrostatic interaction and van der Waals forces.
The second stage is the rapid attachment of bacteria and single-celled diatoms to the surface of the above-mentioned membrane. The adsorption of bacteria and single-celled diatoms is a reversible physical process, and then forms a microbial mucosa with protozoa. This mucosa is further biological Attachment provides protection.
The third stage is that substances such as polysaccharides, proteins, lipids, nucleic acids and other substances secreted by the attached fouling organisms and the formed rough surface will trap more fouling organisms, such as the germs of algae, crustacean larvae, and marine bacteria. And protozoa, thus forming a very complex community.

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