Preparation method of photosensitive dry film protective film
The invention provides a preparation method of a photosensitive dry film protective film. The preparation method comprises the following steps: transferring low-crystal-point LDPE particles to a feeding end located on the outer side of a clean workshop with a thousand-grade clean level; carrying out...
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| creator | ZHONG JIANCHANG GUAN QIRUI ZHANG FENGHUI FANG JIANQUAN |
| description | The invention provides a preparation method of a photosensitive dry film protective film. The preparation method comprises the following steps: transferring low-crystal-point LDPE particles to a feeding end located on the outer side of a clean workshop with a thousand-grade clean level; carrying out electrostatic dust removal on the low-crystal-point LDPE particles fed into the feeding hole by using dust removal equipment containing a high-speed ion fan; high-precision co-extrusion film blowing equipment located in a clean workshop with the thousand-grade clean level is used for processing the materials to prepare a film; edge cutting and edge dividing are conducted on the film body; inspecting surface defects of the film body by using a high-speed camera; and applying an adhesive to the tube core to adhere the film body, and rolling the film body. According to the preparation method of the protective film of the photosensitive dry film, the prepared protective film is few in crystal points, few in impurity p |
| format | Patent |
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The preparation method comprises the following steps: transferring low-crystal-point LDPE particles to a feeding end located on the outer side of a clean workshop with a thousand-grade clean level; carrying out electrostatic dust removal on the low-crystal-point LDPE particles fed into the feeding hole by using dust removal equipment containing a high-speed ion fan; high-precision co-extrusion film blowing equipment located in a clean workshop with the thousand-grade clean level is used for processing the materials to prepare a film; edge cutting and edge dividing are conducted on the film body; inspecting surface defects of the film body by using a high-speed camera; and applying an adhesive to the tube core to adhere the film body, and rolling the film body. 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The preparation method comprises the following steps: transferring low-crystal-point LDPE particles to a feeding end located on the outer side of a clean workshop with a thousand-grade clean level; carrying out electrostatic dust removal on the low-crystal-point LDPE particles fed into the feeding hole by using dust removal equipment containing a high-speed ion fan; high-precision co-extrusion film blowing equipment located in a clean workshop with the thousand-grade clean level is used for processing the materials to prepare a film; edge cutting and edge dividing are conducted on the film body; inspecting surface defects of the film body by using a high-speed camera; and applying an adhesive to the tube core to adhere the film body, and rolling the film body. 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| language | chi ; eng |
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| subjects | AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING CLEANING CLEANING IN GENERAL ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS NATURALLY-OCCURRING ELECTRICITY PERFORMING OPERATIONS PREVENTION OF FOULING IN GENERAL SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS STATIC ELECTRICITY TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL |
| title | Preparation method of photosensitive dry film protective film |
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