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Research Progress on Heat Resistance Modification of Polylactic Acid
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Wenli PENG1, Zhiping CHEN2, Chunyan MENG1, Zhenyu WANG1, Yufeng FENG2, Wenchun SONG2
Insulating Materials | 2022, 55(4) : 13 - 19
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Insulating Materials | 2022, 55(4): 13-19
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Research Progress on Heat Resistance Modification of Polylactic Acid
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Wenli PENG1, Zhiping CHEN2, Chunyan MENG1, Zhenyu WANG1, Yufeng FENG2, Wenchun SONG2
Affiliations
  • 1Guilin Electrical Equipment Scientific Research Institute Co., Ltd., Guilin 541004, China
  • 2Guilin GLESI Scientific Technology Co., Ltd., Guilin 541004, China
Published: 2022-04-20 doi: 10.16790/j.cnki.1009-9239.im.2022.04.002
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Polylactic acid (PLA) is a kind of the most widely studied green biodegradable polymer material and is currently recognized as the most promising industrial application due to its excellent biodegradability, biocompatibility, processability, high mechanical strength, non-toxicity, and no stimulation. However, the disadvantages of slow crystallization rate, low crystallinity, and poor heat resistance of PLA severely limit its application in the fields with higher temperature requirements. This paper reviewed the current research on the heat resistance of PLA inside and outside China, mainly from the crystal type modification, blending modification, and cross-linking modification, and then prospected the future development of high heat resistance PLA.

polylactic acid  /  heat resistance  /  crystal form  /  blend  /  cross-linking
Wenli PENG, Zhiping CHEN, Chunyan MENG, Zhenyu WANG, Yufeng FENG, Wenchun SONG. Research Progress on Heat Resistance Modification of Polylactic Acid[J]. Insulating Materials, 2022 , 55 (4) : 13 -19 . DOI: 10.16790/j.cnki.1009-9239.im.2022.04.002
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Year 2022 volume 55 Issue 4
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Article Info
doi: 10.16790/j.cnki.1009-9239.im.2022.04.002
  • Receive Date：2021-06-02
  • Online Date：2025-12-22
  • Published：2022-04-20
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History
  • Received：2021-06-02
  • Revised：2021-07-17
Affiliations
    1Guilin Electrical Equipment Scientific Research Institute Co., Ltd., Guilin 541004, China
    2Guilin GLESI Scientific Technology Co., Ltd., Guilin 541004, China
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https://castjournals.cast.org.cn/joweb/jycl/EN/10.16790/j.cnki.1009-9239.im.2022.04.002
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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