Effect of heterogeneous nucleation on isotactic polypropylene-polyoxymethylene blends properties and miscibility

被引：8

作者：

Barczewski, Mateusz ^{[1
]}

Matykiewicz, Danuta ^{[1
]}

Andrzejewski, Jacek ^{[1
]}

机构：

[1] Poznan Univ Tech, Inst Mat Technol, Polymer Proc Div, PL-61138 Poznan, Poland

来源：

MACROMOLECULAR RESEARCH | 2015年 / 23卷 / 09期

关键词：

polypropylene; polyoxymethylene; polymer blends; nucleation; sorbitol; POLYMER BLENDS; RHEOLOGICAL PROPERTIES; NONISOTHERMAL CRYSTALLIZATION; METALLOCENE POLYETHYLENE; CONVENTIONAL POLYOLEFINS; THERMAL-STABILITY; PHASE INVERSION; BINARY BLENDS; POLYAMIDE; MORPHOLOGY;

D O I：

10.1007/s13233-015-3117-y

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

This paper presents a study of the effect of heterogeneous nucleation on isotactic polypropylene-polyoxymethylene (iPP-POM) blends properties and miscibility. Polyoxymethylene have been blended with polypropylene matrix in three different amounts: 25, 50, and 75 wt% with and without sorbitol based nucleating agent. Thermal and mechanical properties of blends have been investigated by differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), dynamic mechanic thermal analysis (DMTA), static tensile test as well as rheological analysis. The structure of the blends was investigated using Scanning Electron Microscopy (SEM) and polarized optical microscopy (PM). Rheological analysis confirmed that the iPP-POM blends are partially miscible in a molten state.

引用

页码：850 / 860

页数：11

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