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防粘纸，也被称为硅油纸。由三层结构组成，一层：底纸；二层：淋膜： 三层：硅油。可以用在电子产品，汽车泡沫，印刷、食品、医用等等。在大多数情况下，它是与黏性物料一起使用，特别是胶粘带。
Anti-stick paper is also known as silicone paper. It is composed of three layers. Layer 1: base paper; Layer 2: coating; Layer 3: silicone oil. It can be used in electronic products, automobile foam, printing, food, medical and so on. In most cases, it is used with adhesive materials, especially adhesive tape.
湿法生产预浸料时，在预浸料的上下均放置离型纸，其中下离型纸随着预浸料的收卷存附其中，所以预浸料表面通常有一层离型纸保护。离型纸的作用是防止预浸料被污染，又可为在其表面划线提供方便。离型纸的另一个作用是防止单向预浸料的横向开裂。
In wet prepreg production, release paper is placed on the upper and lower parts of the prepreg, and the lower release paper is attached with the rewinding of the prepreg, so the surface of the prepreg is usually protected by a layer of release paper. The function of the release paper is to prevent the prepreg from being polluted, and to provide convenience for marking on its surface. Another function of release paper is to prevent transverse cracking of unidirectional prepreg.
Release paper should meet: can stick to the prepreg, but easy to separate the two; do not react with the resin system or pollute the resin system. When the ambient temperature and humidity change, the length and width of the release paper should remain unchanged, so as not to cause the release paper wrinkling and the prepreg wrinkling; It should have enough density to prevent water from entering the prepreg through it; The elongation of the release paper after traction should be consistent with the fiber, in order to prevent deformation or distortion caused by the asynchronization of drafting in the preparation process of prepreg; Its thickness, unit area quality is not easy to control.