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熱分析在多層包裝薄膜中的應(yīng)用
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| Multilayer thin films are becoming more common as manufacturers and users of plastics for film applications such as packaging strive to develop materials with a balance of endues properties (e.g., toughness, selective atmosphere permeability). An important quality parameter for these multilayer films is the total film thickness, as well as thickness of the individual component layers. Thermomechanical analysis (TMA), because of its ability to measure small dimensional changes, is ideal for evaluating thin films. TMA provides an alternative to spectral techniques, particularly in situations where the presence of inks, adhesives or lacquers might interfere with the measurement. |
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