The influence of chemical structure on thermal properties and surface morphology of polyurethane materials

被引：14

作者：

Brzeska, Joanna ^{[1
]}

Morawska, Magda ^{[1
]}

Heimowska, Aleksandra ^{[1
]}

Sikorska, Wanda ^{[2
]}

Walach, Wojciech ^{[2
]}

Hercog, Anna ^{[2
]}

Kowalczuk, Marek ^{[2
,3
]}

Rutkowska, Maria ^{[1
]}

机构：

[1] Gdynia Maritime Univ, Dept Commod Ind Sci & Chem, 83 Morska St, PL-81225 Gdynia, Poland

[2] Polish Acad Sci, Ctr Polymer & Carbon Mat, 34 M Curie Sklodowska St, PL-41819 Zabrze, Poland

[3] Univ Wolverhampton, Sch Biol Chem & Forens Sci, Fac Sci & Engn, Wolverhampton WV1 1SB, W Midlands, England

来源：

CHEMICAL PAPERS | 2018年 / 72卷 / 05期

关键词：

Polyurethane structure; Polymer blends; Thermal properties; Surface morphology;

D O I：

10.1007/s11696-017-0358-6

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The surface morphology and thermal properties of polyurethanes can be correlated to their chemical composition. The hydrophilicity, surface morphology, and thermal properties of polyurethanes (differed in soft segments and in linear/cross-linked structure) were investigated. The influence of poly([R,S]-3-hydroxybutyrate) presence in soft segments and blending of polyurethane with polylactide on surface topography were also estimated. The linear polyurethanes (partially crystalline) had the granular surface, whereas the surface of cross-linked polyurethanes (almost amorphous) was smooth. Round aggregates of polylactide un-uniformly distributed in matrix of polyurethane were clearly visible. It was concluded that some modification of soft segment (by mixing of poly([R,S]-3-hydroxybutyrate) with different polydiols and polytriol) and blending of polyurethanes with small amount of polylactide influence on crystallinity and surface topography of obtained polyurethanes.

引用

页码：1249 / 1256

页数：8

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