消光粉影响因素
影响因素
influence factor
光泽和光泽的测定
Determination of Gloss and Gloss
光线投射到物体的表面会发生光线的反射,物体表面对光线的反射能力称为光泽。不同物体表面的光泽不一样,衡量物体表面对光线反射能力的大小,称为光泽度。光泽度用百分数表示。物体表面的光泽度越高,它反射光线的能力就越强,亮度也就越高。光泽度的大小通过光电光泽仪进行测定。根据光泽度的大小,可以将涂料分为亮光、亚光、无光等几种。
When light is projected onto the surface of an object, it will reflect light. The reflectivity of the surface of an object to light is called gloss. The gloss of different objects is different. It is called glossiness to measure the reflectivity of the object surface to light. Glossiness is expressed in percentage. The higher the glossiness of an object's surface, the stronger its ability to reflect light and the higher its brightness. The glossiness was measured by photoelectric glossometer. According to the glossiness, the coatings can be divided into bright, Matt and matt.
涂料光泽度的分类(以60°的反射光泽(即光线入射角为60°)划分为例):
Classification of glossiness of coatings (for example, reflective glossiness of 60 degrees (i.e. incident angle of light of 60 degrees):
无光涂料:光泽度< 10 %;
Non-gloss paint: gloss < 10%;
亚光涂料:光泽度15~60%;
Matt coatings: gloss 15-60%;
亮光涂料:光泽度> 60 %。
Bright coatings: gloss > 60%.
影响光泽的因素
Factors Affecting Gloss
①
(1)
涂膜表面的粗糙度
Roughness of Coating Surface
物体表面光泽和物体表面的粗糙程度紧密相关。光线射到物体表面上时,一部分会被物体吸收,一部分会发生反射和散射,还有部分会发生折射。物体表面的粗糙度越小,则被反射的光线越多,光泽度越高。相反,如果物体表面凹凸不平,被散射的光线增多,导致光泽度降低。
The surface gloss of an object is closely related to its roughness. When light strikes the surface of an object, some of it will be absorbed, some will be reflected and scattered, and some will be refracted. The smaller the surface roughness is, the more light is reflected and the higher the glossiness is. On the contrary, if the surface of the object is uneven, the scattered light will increase and the gloss will decrease.