|本期目录/Table of Contents|

[1]郭银涛,王勇军,吕汪洋.单体和低聚物的含量对聚酰胺6切片性能的影响[J].浙江理工大学学报,2024,51-52(自科二):174-179.
 GUO Yintao,WANG Yongjun,L  Wangyang.Effects of monomer and oligomer content in  polyamide 6 pellets on their properties[J].Journal of Zhejiang Sci-Tech University,2024,51-52(自科二):174-179.
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单体和低聚物的含量对聚酰胺6切片性能的影响()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第51-52卷
期数:
2024年自科第二期
页码:
174-179
栏目:
出版日期:
2024-03-10

文章信息/Info

Title:
Effects of monomer and oligomer content in  polyamide 6 pellets on their properties
文章编号:
1673-3851 (2024) 03-0174-06
作者:
郭银涛王勇军吕汪洋
浙江理工大学纺织纤维材料与加工技术国家工程实验室,杭州 310018
Author(s):
GUO Yintao WANG Yongjun L  Wangyang
National Engineering Laboratory for Textile Fiber Materials and Processing Technology, Zhejiang Sci-Tech University, Hangzhou 310018, China
关键词:
PA6切片单体低聚物液相色谱/飞行时间质谱/二极管阵列检测器结晶
分类号:
TQ317-2
文献标志码:
A
摘要:
采用溶解/沉淀法对聚酰胺6(PA6)中的单体及低聚物进行提取,利用液相色谱/飞行时间质谱/二极管阵列检测器(LC-TOF-MS-PDA)和聚合物色谱/多角度激光散射/示差折光检测器(APC- MALLS-RID)联用方法测定PA6中单体和低聚物含量、低聚物组成及PA6的分子量和分布;通过热重分析仪、差示扫描量热仪和二维广角X射线衍射仪分析PA6切片中单体低聚物含量对切片热性能和结晶性能的影响。结果表明:物理再生PA6(pr-PA6)和化学再生PA6(cr-PA6)中单体及环状低聚物含量分别为2.079%和1.578%,比原生PA6(PA6)分别高0.683%和0.182%,其中再生PA6切片中单体、环状二聚体和环状三聚体含量高于原生PA6切片。PA6、pr-PA6和cr-PA6的分子量分别为19620、20840 g/mol和22210 g/mol,分子量分布系数分别为1.47、1.56和1.49;三种PA6切片的最大分解温度无明显变化。与原生PA6切片相比,再生PA6切片的结晶峰温度向高温区偏移,结晶温度从PA6的176 ℃增加至pr--PA6的 185 ℃,且pr-PA6和cr-PA6切片中α晶型的相对含量增加。该研究可为提高PA6材料的热性能及结晶性能提供理论基础。

参考文献/References:

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[2]Mondragon G, Kortaberria G, Mendiburu E, et al. Thermomechanical recycling of polyamide 6 from fishing nets waste[J]. Journal of Applied Polymer Science, 2020, 137(10): 48442.
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[6]李文武. 基于热裂解色谱的PA6和PA66纤维鉴别及定量分析研究[D]. 杭州:浙江理工大学, 2017:1-3.
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[10agar E, ACˇGearek U, Drin?iAc'1 A  Zagar E,Cesarek U, Drincic A, et al. Quantitative determination of PA6 and/or PA66 content in polyamide-containing wastes[J]. ACS Sustainable Chemistry & Engineering, 2020, 8(31): 11818-11826.

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备注/Memo

备注/Memo:
收稿日期: 2023-04-06
网络出版日期:2023-07-07
基金项目: 浙江省自然科学基金项目(LDQ23E030001)
作者简介: 郭银涛(1997-),男,安徽阜阳人,硕士研究生,主要从事再生PA6性能分析方面的研究
通信作者: 吕汪洋,E-mail: luwy@zstu.edu.cn
更新日期/Last Update: 2024-03-08