The formation of the paper not only affects the various properties of the paper, but also has a direct impact on the print quality. Severe unevenness of the paper will cause the paper surface to wrap up and behave like a "spangler," which inevitably causes quality problems due to poor flatness during printing. The paper with poor general formation was not evenly translucent when viewed from the light source and even appeared as a "cloud flower". This poorly formed paper, the surface of the corresponding smoothness of some poor, coupled with uneven tightness, the acceptance and absorption of the ink will produce a large non-uniformity, such non-uniformity will inevitably disrupt the print screen Uniformity reduces print quality.
In the solid part of the print, slight unevenness sometimes occurs. Most of this unevenness is uneven in density, but there is also unevenness in gloss. The main cause of this unevenness is the non-uniform absorption of ink by the paper. This absorption feature is closely related to the formation of the paper; poor uniformity of the paper, the density of the fiber distribution is uneven, the difference in the tightness is also more obvious, so the absorption and absorption rate of the ink will be different, so It is easy to produce unevenness in density and gloss on the printed surface.
Similarly, the leveling of the base paper of the coated paper also has an effect on the quality of the print. For coated paper, the part that directly absorbs the ink is the coating layer, but when the uniformity of the original paper is poor, it will cause the non-uniformity of the adhesive in the coating to penetrate into the original paper layer. This will naturally cause the coating layer to absorb the ink. Inhomogeneity. In addition, the poor uniformity of the base paper will also cause unevenness of the coating during the coating process. In particular, the uniformity of the coating layer during the blade coating has a great correlation with the uniformity of the base paper, so that the base paper is not uniform. Sexuality often causes the coating layer to absorb ink non-uniformity.
Other defects and defects on the surface of the paper, such as the creases, dirty spots, wrinkles, dust, wet spots, etc., have an effect on the quality of the printed matter. It is needless to say here.
Source: Ke Yin Network
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