The Preparation of Microcellular Nylon 6 and Bubble Pore Morphology Control

Zi-Cheng YANG; Li-Wen GONG; Li ZHANG; Jin-Biao BAO

doi:10.14028/j.cnki.1003-3726.2022.03.008

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The Preparation of Microcellular Nylon 6 and Bubble Pore Morphology Control

更新时间：2022-09-09

- The Preparation of Microcellular Nylon 6 and Bubble Pore Morphology Control
- Polymer Bulletin Vol. 35, Issue 3, Pages: 63-69(2022)
- 作者机构：
  
  宁波大学材料科学与化学工程学院,宁波 315211
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2022.03.008
  CLC：
- Published：20 March 2022，
  
  Received：07 May 2021，
  
  Revised：25 August 2021，
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Zi-Cheng YANG, Li-Wen GONG, Li ZHANG, Jin-Biao BAO. The Preparation of Microcellular Nylon 6 and Bubble Pore Morphology Control. [J]. Polymer Bulletin 35(3):63-69(2022)
DOI：

Zi-Cheng YANG, Li-Wen GONG, Li ZHANG, Jin-Biao BAO. The Preparation of Microcellular Nylon 6 and Bubble Pore Morphology Control. [J]. Polymer Bulletin 35(3):63-69(2022) DOI： 10.14028/j.cnki.1003-3726.2022.03.008.

摘要

本文利用共混改性方法得到高熔体强度尼龙6基体

通过探索不同的工艺条件

获得不同倍率的尼龙6发泡材料

系统研究不同离聚体改性剂比例下对其熔体强度的影响。通过热性能测试和流变测试推测了其中微交联结构的存在。通过调节发泡工艺制备不同发泡倍率的尼龙6发泡材料

用扫描电镜(SEM)观测泡孔形貌。结果表明

离聚体的加入大大提升尼龙6基体的熔体强度

实现了尼龙6超临界二氧化碳发泡的可能性

并获得了较大倍率的尼龙发泡材料。

Abstract

In this paper

a blending modification method is used to obtain a nylon 6 matrix with high melt strength. Through exploring different process conditions

nylon 6 foam materials with different magnifications are obtained

and the melt strength of different ionomer modifier ratios is systematically studied. Influence. The existence of micro-crosslinked structure is inferred through thermal performance test and rheological test. Nylon 6 foam materials with different foaming ratios were prepared by adjusting the foaming process

and the cell morphology was observed with a scanning electron microscope (SEM). The results show that the addition of ionomer greatly improves the melt strength of the nylon 6 matrix

realizes the possibility of nylon 6 supercritical carbon dioxide foaming

and obtains a nylon foam material with a larger magnification.

关键词

聚酰胺6超临界二氧化碳熔体强度发泡倍率

Keywords

Polyamide 6Supercritical carbon dioxideMelt strengthFoaming rate

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