A method for preparing a synchronously stretched polypropylene high temperature resistant film for wireless charging
A technology of synchronous stretching and wireless charging, which is applied in the field of polypropylene film, can solve the problems that polypropylene film cannot be mass-produced, ultra-thin films cannot be solved, and longitudinal thermal shrinkage is large, so as to improve film-forming property and thickness uniformity , the effect of large adjustment space
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0031] A method for preparing a synchronously stretched polypropylene high temperature resistant film for wireless charging
[0032] Include the following steps:
[0033] Step I, raw material preparation: dry the raw material for 3 hours at a temperature of 100° C., and set aside; wherein, the raw material is polypropylene with an isotacticity of 98.1% and an ash content of 15 ppm, p-dimethyldibenzylidene sorbitol and Modified silica; the mass ratio of polypropylene, p-dimethyldibenzylidene sorbitol and modified silica is 10:0.01:0.65; the preparation process of modified silica is as follows: the mass fraction is 1.5% Add silicon dioxide to the modified agent solution and stir and mix for 3 minutes, then grind and disperse for 2 hours, and finally filter and dry to obtain the modified silicon dioxide; wherein, in the modified agent solution, sodium lauryl sulfate, dopamine, The mass ratio of propylene glycol and water is 1:0.6:3:15; the mass ratio of modifier solution to sili...
Embodiment 2
[0039] A method for preparing a synchronously stretched polypropylene high temperature resistant film for wireless charging
[0040] Include the following steps:
[0041]Step I, raw material preparation: dry the raw material for 4 hours at a temperature of 120° C., and set aside; wherein, the raw material is polypropylene with an isotacticity of 98.9% and an ash content of 20 ppm, p-dimethyldibenzylidene sorbitol and Modified silica; the mass ratio of polypropylene, p-dimethyldibenzylidene sorbitol and modified silica is 10:0.02:0.65; the preparation process of modified silica is as follows: the mass fraction is 3.5% Add silicon dioxide to the modified agent solution and stir and mix for 5 minutes, then grind and disperse for 6 hours, and finally filter and dry to obtain the modified silicon dioxide; wherein, in the modified agent solution, sodium lauryl sulfate, dopamine, The mass ratio of propylene glycol and water is 2:0.6:3:15; the mass ratio of modifier solution to silic...
Embodiment 3
[0047] A method for preparing a synchronously stretched polypropylene high temperature resistant film for wireless charging
[0048] Include the following steps:
[0049] Step 1, raw material preparation: the raw material is dried under the condition of 105 ℃ for 4 hours and set aside; wherein, the raw material is polypropylene with isotacticity of 98.3% and ash content of 16ppm, p-dimethyldibenzylidene sorbitol and Modified silica; the mass ratio of polypropylene, p-dimethyldibenzylidene sorbitol and modified silica is 10:0.02:0.65; the preparation process of modified silica is as follows: the mass fraction is 2.0% Add silicon dioxide to the modifying agent solution and stir and mix for 5 minutes, then grind and disperse for 3 hours, and finally filter and dry to obtain the modified silicon dioxide; wherein, in the modifying agent solution, sodium lauryl sulfate, dopamine, The mass ratio of propylene glycol and water is 1.2:0.6:3:15; the mass ratio of modifier solution to si...
PUM
Property | Measurement | Unit |
---|---|---|
thickness | aaaaa | aaaaa |
strength | aaaaa | aaaaa |
tensile strength | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com