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Title: Miscibility and thermal behavior of poly (ε-caprolactone)/long-chain ester of cellulose blends

Source: Carbohydrate Polymers, 88 (2012) 422-427

Author(s)Xu, Yuzhi; Wang, Chunpeng; Stark, Nicole M.; Cai, Zhiyong; Chu, Fuxiang

Publication Year: 2012  View PDF »

Category: Journal Articles
Associated Research Project(s):   FPL-4706-1A

Abstract: The long-chain cellulose ester (LCCE) cellulose laurate, poly(ε-caprolactone) (PCL) and their blends were characterized by tensile strength, Fourier transform infrared spectroscopy (FTIR), dynamic mechanical thermal analysis, thermogravimetric analysis (TGA), and transmission electron microscopy (TEM). The compatibility of the blends was investigated and the TEM results showed that PCL tended to disperse as discrete particles in LCCE. FTIR revealed that there were several specific interactions between the chains of PCL and LCCE: the interaction between C—H and O=C—, C=O· · ·O=C— or —C=O· · ·O—C dipole–dipole interactions. The addition of PCL into LCCE increased slightly the tensile stress at break and the elongation up to 90/10 LCCE/PCL (w/w), which suggested partial compatibility between the polymers. In agreement with this, TGA showed that the compatibility of PCL and LCCE enhanced the thermal stability of LCCE in the blends. Together, these results indicated the existence of intermolecular interactions between the two polymers.

Keywords: Cellulose laurate; Poly (ε-caprolactone); Blends; Thermal behaviors; Miscibility

Publication Review Process: Formally Refereed

File size: 629 kb(s)

Date posted: 09/21/2012

This publication is also viewable on Treesearch:  view
RITS Product ID: 61615
Current FPL Scientists associated with this product (listed alphabetically)
Cai, Zhiyong
Supervisory Research Materials Engineer
Stark, Nicole M.
Research Chemical Engineer
 

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