Release film and preparation method thereof

The invention relates to a release film which comprises an upper layer, a middle layer and a lower layer which are arranged in sequence; the middle layer comprises a plurality of uniformly distributedcells, the aperture of each cell is 50 nm-150 nm, and the warping value of the release film in a hot...

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Bibliographic Details
Main Authors JIN YADONG, ZHU ZHENGPING, YANG CHENGHAN, BIE DAKUI
Format Patent
LanguageChinese
English
Published 03.04.2020
Subjects
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Summary:The invention relates to a release film which comprises an upper layer, a middle layer and a lower layer which are arranged in sequence; the middle layer comprises a plurality of uniformly distributedcells, the aperture of each cell is 50 nm-150 nm, and the warping value of the release film in a hot press at the temperature of more than or equal to 180 DEG C is less than or equal to 13 mm. The invention also provides a preparation method of the release film. 本发明涉及一种离型膜，其包括依次设置的上层、中间层和下层，所述中间层包括多个均匀分布的泡孔，所述泡孔的孔径为50nm-150nm，所述离型膜在大于等于180摄氏度下的热压机中翘曲值小于等于13毫米。本发明还提供了一种离型膜的制备方法。
Bibliography:Application Number: CN201911234290