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Poly (propylene carbonate) polyols was synthesized by the copolymerization of carbon dioxide with propylene oxide in the presence of double metallic catalyst in loop reactor.
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摘要以二氧化碳3环氧丙烷为原材料，在双金属氰化物催化剂催化下，利用环流反应器合成聚碳酸亚丙酯多元醇。 |
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Poly (propylene carbonate) polyurethane elastomers were also prepared using the synthesized poly (propylene carbonate) polyols as feedstock.
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本文还利用所得到的聚碳酸亚丙酯树脂制备出性能优良的聚氨酯弹性体。 |
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Poly(ethylene glycol) (PEG) is a hydrophilic polymer which has flexible long chain.
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摘要聚乙二醇是一类亲水性长链聚合物。 |
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Poly(malic acid) is a new kind of water-soluble polymer with favorable biodegradability and biocompatibility.
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聚苹果酸是一种具有生物降解性和生物相容性的新型水溶性高分子。 |
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Polycondensation catalyst may has bad effect on polyester afterprocessing properties.
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缩聚催化剂会对聚酯后加工性能产生不良影响。 |
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Polycrystalline diamond coatings for tools are laid down using chemical vapor deposition.
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工具用的复晶钻石涂层，则是使用化学气相沉积法制造的。 |
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Polycystic ovary syndrome (PCOS) may be more common in women receiving valproic acid therapy for bipolar disorder than in those receiving other treatments.
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接受丙戊酸治疗双相性精神障碍的妇女中双囊性卵巢综合征可能比接受其他药物治疗者更常见。 |
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Polyester film,inductive， epoxy resin coating.
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聚乙酯膜，有感结构，环氧树脂包封。 |
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Polyester powder spraying equipment supplied by Alkasu of USA.
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表面喷涂使用美国阿克苏粉沫喷涂自动生产线处理。 |
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Polyethylene Waxes for Hot Melt Adhesive : These waxes can be divided into three kinds with synthetic grade and crack grade and polyethylene wax by-product in accordance with material source.
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热熔胶用聚乙烯蜡系列：本系列产品依原料来源不同分为合成级、裂解级和聚乙烯副产品三个等级。 |
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Polyethylene foamed sheet (film) ,is also named as pearl cotton.
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聚乙烯发泡片（膜），又称珍珠棉。 |
