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GRAFT CO-POLYMERIZATION BY SOLVO-THERMAL METHOD

机译:通过溶剂 - 热法接枝共聚

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摘要

Production of polyolefm graft-copolymers is widely used in altering the physical andchemical properties of polymers. This grafting procedure helps in producing tailor-made polymers with improved performance according to the customer's need. There are different graft-copolymers processing methods such as solution grafting, which takes place in the presence of organic solvents, grafting at high temperature conditions, and radiation grafting, which makes use of the radioactive sources. However, these graft-polymer processing methods have many drawbacks, which include the difficulty in removing the organic solvent completely after processing, which might cause negative environmental and health impact, decreased efficiency of the grafting co-polymerization due to the evaporation of monomers in the polymer at high temperatures and the need for expensive tools in the radiation grafting method.
机译:聚烯烃移植共聚物的生产广泛用于改变物理和聚合物的化学性质。这种移植程序有助于根据客户的需求生产具有改进性能的量身定制的聚合物。存在不同的移植共聚物加工方法,例如溶液接枝,其在存在有机溶剂的情况下进行,在高温条件下接枝,以及利用放射源的放射覆盖物。然而,这些移植聚合物加工方法具有许多缺点,包括在加工后完全除去有机溶剂的缺点,这可能导致负环境和健康影响,由于蒸发单体蒸发而降低接枝共聚的效率聚合物在高温下,需要昂贵的辐射接枝法的昂贵工具。

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