首页> 外文会议>Annual technical conference of the Society of Plastics Engineers;Technical conference of the Society of Plastics Engineers;ANTEC 2009 >THE USE OF BETA NUCLEATION TO IMPROVE THE IMPACT STRENGTH AND REDUCE THE WARPAGE OF POLYPROPYLENE CAPS CLOSURES
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THE USE OF BETA NUCLEATION TO IMPROVE THE IMPACT STRENGTH AND REDUCE THE WARPAGE OF POLYPROPYLENE CAPS CLOSURES

机译:使用贝他核改善冲击强度并减少聚丙烯胶帽和胶套的翘曲

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We have developed a unique masterbatch that can be used to produce polypropylene caps and closures containing the beta crystalline phase of PP. These caps exhibit dramatically improved impact strength without a significant loss of other desirable physical properties. Another benefit of beta-nucleated closures is improved dimensional stability and reduced warpage. The masterbatch can be added during molding of the closures by blending pellets of the masterbatch with that of the PP resin, and no pre-compounding is required.
机译:我们开发了一种独特的母料,可用于生产包含PP的β晶相的聚丙烯瓶盖和瓶盖。这些盖表现出显着改善的冲击强度,而不会显着损失其他所需的物理性能。 β-成核密封件的另一个好处是尺寸稳定性得到改善,翘曲减小。可通过将母料的粒料与PP树脂的粒料共混来在封闭件的模制过程中添加母料,并且不需要预配混。

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