Improved glue and PET base material co-granulation type protective film and manufacturing method thereof
A production method and improved technology, applied in the direction of adhesives, adhesive types, pressure-sensitive films/sheets, etc., can solve the problem of harsh storage and transportation conditions, high organic solvent prices, and difficult recycling of protective films/adhesive tapes, etc. The problem is to achieve a win-win situation of economic and social environmental benefits, the preparation method is simple and feasible, and the effect of resisting the influence of environmental humidity is achieved.
Pending Publication Date: 2020-05-08
TECH SUN INT KUNSHAN
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The invention discloses an improved glue and PET base material co-granulation type protective film and a manufacturing method thereof. The protective film comprises a PET base material, the surface ofthe PET base material subjected to corona treatment is coated with a moderately cross-linked improved saturated polyester pressure-sensitive adhesive coating subjected to solubilization and graft modification treatment, a release film can be attached to the moderately cross-linked improved saturated polyester pressure-sensitive adhesive coating subjected to solubilization and graft modification treatment, and the improved saturated polyester pressure-sensitive adhesive subjected to solubilization and graft modification treatment in the moderately cross-linked improved saturated polyester pressure-sensitive adhesive coating subjected to solubilization and graft modification treatment comprises graft-modified saturated polyester macromolecules, polycaprolactone and polyacrylate components.The prepared pressure-sensitive adhesive is excellent in adhesive property and good in edge bearing property compared with a traditional protective film preparation process, and after the pressure-sensitive adhesive is used, the waste protective film can be directly extruded and granulated to obtain reusable novel plastic particles, so subsequent reutilization is convenient.
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