Method for obtaining heat sealing parameters of aluminum-plastic composite film
The invention discloses a method for obtaining heat sealing parameters of an aluminum-plastic composite film. The method comprises the following steps: (1) measuring a DSC curve of a polypropylene layer and obtaining an extrapolation starting temperature Te; (2) temperature rise curves of the polypr...
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| creator | DAI XIAOBING YAN XIAOQUN DAI PINGXIANG JING GUANGHUI FAN TIANQIAN MO LILI |
| description | The invention discloses a method for obtaining heat sealing parameters of an aluminum-plastic composite film. The method comprises the following steps: (1) measuring a DSC curve of a polypropylene layer and obtaining an extrapolation starting temperature Te; (2) temperature rise curves of the polypropylene layer at different temperatures are collected, the time of the intersection of the temperature rise curve and Te at each temperature Ti is Si, the preset buffer time is S0, the optimal heat sealing time is the minimum value in Si, Si is larger than S0, and the temperature corresponding to the optimal heat sealing time is recorded as the optimal heat sealing temperature; (3) setting m pressure intensity Mi with different gradients to package the aluminum-plastic composite film to obtain a seal thickness curve; the thickness of the seal thickness upper interval is Ha, the thickness of the seal thickness lower interval is Hb, the Ha corresponds to the pressure intensity Ma, the Hb corresponds to the pressure i |
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| subjects | ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS BASIC ELECTRIC ELEMENTS ELECTRICITY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TARIFF METERING APPARATUS TESTING |
| title | Method for obtaining heat sealing parameters of aluminum-plastic composite film |
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