Crystallization of Polymers Investigated by Temperature-Modulated DSC

被引：35

作者：

Righetti, Maria Cristina ^{[1
]}

机构：

[1] Natl Res Council Italy, Inst Chem & Phys Proc CNR IPCF, Via Moruzzi 1, I-56124 Pisa, Italy

来源：

MATERIALS | 2017年 / 10卷 / 04期

关键词：

polymer; crystallization; differential scanning calorimetry; temperature-modulated differential scanning calorimetry; reversing melting; reversible melting; crystalline fraction; mobile amorphous fraction; rigid amorphous fraction; RIGID AMORPHOUS FRACTION; DIFFERENTIAL SCANNING CALORIMETRY; IRREVERSIBLE HEAT-CAPACITY; MULTIPLE MELTING BEHAVIOR; SEMICRYSTALLINE POLYMERS; ISOTACTIC POLYSTYRENE; POLY(L-LACTIC ACID); POLY(BUTYLENE TEREPHTHALATE); LINEAR POLYETHYLENE; POLY(LACTIC ACID);

D O I：

10.3390/ma10040442

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The aim of this review is to summarize studies conducted by temperature-modulated differential scanning calorimetry (TMDSC) on polymer crystallization. This technique can provide several advantages for the analysis of polymers with respect to conventional differential scanning calorimetry. Crystallizations conducted by TMDSC in different experimental conditions are analysed and discussed, in order to illustrate the type of information that can be deduced. Isothermal and non-isothermal crystallizations upon heating and cooling are examined separately, together with the relevant mathematical treatments that allow the evolution of the crystalline, mobile amorphous and rigid amorphous fractions to be determined. The phenomena of`'reversing' and 'reversible` melting are explicated through the analysis of the thermal response of various semi-crystalline polymers to temperature modulation.

引用

页数：22

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