Abstract
Paint release rate is an important indicator for evaluating the property of the paint product, which is predetermined by the brush and paint materials. In the painting process, a brush is always used to coat the liquid materials on the solid base surface. The brush fiber with different wettability, flexibility, and geometrical size affects the appearance, stability, and solidification velocity of paint. In this study, a kind of polyethylene terephthalate/polybutylene terephthalate-based brush is successfully fabricated, whose flexibility is adjusted by the content of fiberglass. The flexibility and appearance dimensions are proved to be the critical factors for enhancing the paint release rate through theory analysis and examples. With the designed brush, liquid coating materials with different surface tension are coated on the paper surface, whose effects are precisely controlled.
Highlights
Coating materials play a very significant role in industries.1,2 Equipped with different properties, they are used in various research fields for special multi-surficial functions.3,4 They prevent oxidation and increase safety and make a surface water-repellent, perfect, and more beautiful.5,6 Before coating, the paint materials are in the solid state or liquid state
The brush fibers are bent by the surface tension of stored paint
We find significant roles for controlling the release rate of paint
Summary
Coating materials play a very significant role in industries. Equipped with different properties, they are used in various research fields for special multi-surficial functions. They prevent oxidation and increase safety and make a surface water-repellent, perfect, and more beautiful. Before coating, the paint materials are in the solid state or liquid state. Coating materials play a very significant role in industries.. They are used in various research fields for special multi-surficial functions.. They are used in various research fields for special multi-surficial functions.3,4 They prevent oxidation and increase safety and make a surface water-repellent, perfect, and more beautiful.. Due to the special wettability and surface tension of paints, they are always brushed on a solid surface. The capillary force plays a significant role in capturing much more ink before writing.. Pig’s bristles were the main raw materials for brushes due to their excellent wettability with the paints.. With the increase in market demand and the rapid development of modern chemistry, polyethylene terephthalate and polybutylene terephthalate (PET and PBT) are becoming the main raw materials for fabricating the brush fiber. The absorption and release rate of paint on the brush has not been studied in detail
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