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To cling firmly to the substrate when film production is complete is one of the most crucial properties of practically all permanent coating systems. The coating film’s adherence is actually required for long-term protection and aesthetics.
Adhesion boosters are thus frequently very useful additives to obtain the ideal adherence. The resistance of the coating to being peeled off of the substrate is known as its adherence. The purpose of the adhesion promoter for paint is to help the film adhere to the substrate.
It produces a strong and long-lasting bond with the substrate and the applied coating due to its affinity for both. The qualities of the applied coating may not be sufficient to achieve the final performance criteria without the adhesion promoter.
Between the paint and the substrate, there are a number of different processes that contribute to adherence and adhesive strength, including mechanical adhesion, Molecularly based physical mechanisms at the interface.
Chemical and thermodynamic mechanisms are present at the interface. By having an affinity for both the substrate and the liquid coating, an adhesion promoter improves the film’s adherence. A crucial element is wetting the liquid coating to the substrate.
A flawless adherence, however, is dependent on a number of other factors, including the formulation of the paint and the substrate’s wetness, in addition to the choice of the adhesion promoter. application requirements, atmosphere that is ageing and curing. surface characteristics, surface cleaning
The Global Adhesion-promoting coating market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
Eastman launched an adhesion-promoting coating primer from a waterborne system or using Eastman CPO dispersions as an additive can both help a waterborne coating adhere better.
Eastman CPO dispersions can be applied directly to waterborne coating formulations to boost adhesion to surfaces made of polypropylene as well as used as the basis resin in primers that promote adhesion.
Eastman also provides nonchlorinated adhesion promoters that offer outstanding adherence to TPO and polypropylene substrates when used in formulations with nonchlorinated adhesion promoters.
Under a range of polyurethane and melamine-cured systems, Eastman adhesion promoter 550-1, given at 25% weight solids in either Aromatic 100 or xylene, demonstrates excellent gasoline resistance. Moreover, formulators can now choose Eastman Advantis 510W, a chlorine- and AEPO-free waterborne adhesion promoter.
This product facilitates the creation of VOC-compliant coatings for the adherence of coatings to modified polypropylene substrates when used as a blend-in additive for aqueous primers and/or base coats.
