Polypropylene-polysilsesquioxane blends

被引：97

作者：

Fina, Alberto ^{[1
]}

Tabuani, Daniela ^{[2
]}

Camino, Giovanni ^{[1
]}

机构：

[1] Politecn Torino Sede Alessandria, INSTM, Local Res Unit, I-15121 Alessandria, Italy

[2] Consorzio Proplast, I-15121 Alessandria, Italy

来源：

EUROPEAN POLYMER JOURNAL | 2010年 / 46卷 / 01期

关键词：

Silsesquioxane; POSS; PP blend; Cage/ladder polysilsesquioxane; PSS; POLYHEDRAL OLIGOMERIC SILSESQUIOXANE; X-RAY CHARACTERIZATIONS; SILOXANE COPOLYMERS; POSS NANOCOMPOSITES; FIRE RETARDANTS; POLYMERS; CRYSTALLIZATION; POLY(ETHYLENE-TEREPHTHALATE); POLYMERIZATION; POLYURETHANE;

D O I：

10.1016/j.eurpolymj.2009.07.019

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 deals with the preparation of PP/polysilsesquioxane blends and their study to investigate silsesquioxane dispersion, mechanical proper-ties, thermal stability and combustion properties by means of a number of techniques, such as SEM, XRD, Rheology, TGA, DSC, Cone Calorimeter tests and LOI. Polysilsesquioxane with different organic groups (methyl, vinyl or phenyl) were used; both dispersion and final properties were found to be dependent on the silsesquioxane organic fraction type. The PP/polysilsesquioxane blends showed an increased thermoxidative stability and combustion resistance, in terms of lower rate of heat release. Higher mechanical performances were also achieved with PP/vinyl polysilsesquioxane, with higher elastic modulus as well as higher elongation at break. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：14 / 23

页数：10

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