引用本文:
胡跃鑫, 冯玉林, 姜伟. 碳酸钙粒子增韧高密度聚乙烯的脆韧转变——Wu氏增韧理论聚合物共混物脆韧转变判据的适用条件[J]. 应用化学,
2011, 28(5): 500-503.
doi:
10.3724/SP.J.1095.2011.00521
Citation: HU Yuexin, FENG Yulin, JIANG Wei. High-density Polyethylene Toughened with Calcium Carbonate Particles——Applicability of Wu'Criterion for Brittle-Ductile Transition of Polymer Blends[J]. Chinese Journal of Applied Chemistry, 2011, 28(5): 500-503. doi: 10.3724/SP.J.1095.2011.00521
Citation: HU Yuexin, FENG Yulin, JIANG Wei. High-density Polyethylene Toughened with Calcium Carbonate Particles——Applicability of Wu'Criterion for Brittle-Ductile Transition of Polymer Blends[J]. Chinese Journal of Applied Chemistry, 2011, 28(5): 500-503. doi: 10.3724/SP.J.1095.2011.00521
碳酸钙粒子增韧高密度聚乙烯的脆韧转变——Wu氏增韧理论聚合物共混物脆韧转变判据的适用条件
English
High-density Polyethylene Toughened with Calcium Carbonate Particles——Applicability of Wu'Criterion for Brittle-Ductile Transition of Polymer Blends
Abstract:
High density polyethylene was toughened by calcium carbonate(CaCO3) with different particle sizes.The relationship between critical interparticle distance(IDc) and CaCO3 content and particle size was studied at different temperatures.The purpose is to clarify that temperature is one of the important parameters for applicability of Wu's criterion.The results indicate that the IDc is almost independent of CaCO3 content and particle size at 17℃,that is,the criterion is applicable to this case.With an increase in the temperature,the results clearly show that IDc depends on the CaCO3 particle size at higher temperatures,that is,the criterion is inapplicable at higher temperatures.
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Key words:
- toughening polymer
- / interparticle distance
- / brittle-ductile transition
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