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Microcellular foam of thermoplastic resin prepared with die having improved cooling property and method for preparing the same
Microcellular foam of thermoplastic resin prepared with die having improved cooling property and method for preparing the same
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机译:用具有改进的冷却性能的模具制备的热塑性树脂的微孔泡沫及其制备方法
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摘要
The present invention relates to a microcellular foam of a thermoplastic resin and a method for preparing the same, and more particularly to a microcellular foam comprising a skin layer having a porosity of below 5% and a core layer having a porosity of at least 5%, wherein the thickness of the skin layer accounts for 5 to 50% of the entire foam, and a method for preparing the same. The microcellular foam of the present invention is advantageous in that it has a thicker skin layer and smaller and uniform micropores in the core layer, compared with conventional microcellular foams, while having mechanical properties comparable to those of conventional non-foamed sheets.
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