Two-Step Processing Method for Blending High-Performance Polymers with Notable Thermal and Rheological Differences: PEI and PBT. Issue 14 (22nd September 2018)

• Record Type: Journal Article
• Authors: Vásquez-Rendón, Mauricio; Sánchez-Arrieta, Natalia; Álvarez-Láinez, Mónica
• Is Part Of: Polymer-plastics technology and engineering. Volume 57:Issue 14(2018)
• Page Start: 1411
• Page End: 1417
• Publication Date: 2018-09-22
• Subjects: Blend morphology -- high-performance polymers -- melt processing -- PEI/PBT blends -- processing conditions -- thermal stability; Polymers -- Periodicals; Polymerization -- Periodicals; Polymers -- Periodicals; Engineering -- Periodicals; Plastics -- Periodicals; 668.9
• DOI: 10.1080/03602559.2017.1381256
• Languages: English
• ISSNs: 0360-2559

Abstract

ABSTRACT: Blends between high-performance polymers (HPP) are barely studied, especially those produced by melting processing. In this work, it is proposed a novel methodology to prepare blends between polymers with notable processing temperature differences: poly(ether imide) (PEI) and poly(butylene terephthalate) (PBT). Processing parameters are settled after thermal and rheological evaluation of pure materials, those results suggest these blends need to be produced by steps. It is found a synergistic effect such as lowering PEI processing temperature and reducing PBT hydrolysis at high temperatures. Propose methodology allows to produce blends between HPP in the whole composition range with the same processing conditions. GRAPHICAL ABSTRACT: