Patent
Thermoplastic polyurethane (TPU) and polyvinyl chloride (PVC) blended rolling film and preparation method thereof
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TLDR
In this article, a thermoplastic polyurethane (TPU) and polyvinyl chloride (PVC) blended rolling film and a preparation method thereof was revealed, which comprises following steps of step 1: respectively weighing raw materials such as a PVC film raw material and a TPU raw material.Abstract:
The invention discloses a thermoplastic polyurethane (TPU) and polyvinyl chloride (PVC) blended rolling film and a preparation method thereof The method comprises following steps of step 1: respectively weighing raw materials such as a PVC film raw material and a TPU raw material, wherein the weight ratio of the TPU and PVC is 1: 15 to 25; step 2: blending and plasticizing: blending the raw materials and plasticizing the raw materials through a roller machine; and step 3: forming a film through the processing of a forming device The hardness of the TPU and PVC blended rolling film which is prepared by the method falls in between 39P and 60P, so that not only is the good physical performance such as tensile strength, tearing strength and the like of the TPU reserved, but also good coldness resistance and good chemical resistance are achieved; and moreover, due to the adoption of the PVC, the cost is greatly reducedread more
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Low-temperature resistant medicinal PVC modified material
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