Preparation and Characterization of Modified Nano Carbon Black/Polyurethane Composites

Chem. J. Chinese Universities

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Preparation and Characterization of Modified Nano Carbon Black/Polyurethane Composites

LIU Xin-Hai^1,3, ZHAO Ying^1*, LIU Zhi², WANG Du-Jin¹, WU Jin-Guang², XU Duan-Fu¹

1. State Key Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China;
2. State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China;
3. Graduate School of Chinese Academy of Sciences, Beijing 100049, China

Received:2008-02-18 Revised:1900-01-01 Online:2008-10-10 Published:2008-10-10
Contact: ZHAO Ying

Abstract

Abstract: Surface modified nano carbon black particles(MCB) were used to prepare PU/MCB and PU/CB composites. FTIR, TEM, rheological methods and mechanical properties test were utilized to characterize the nano particles and their composites. FTIR results indicate that partial hydrogen-bonding structure in PU composites changed due to the interaction between nano particles and PU molecules. The tensile strength and elongation at break of the PU/MCB composites can be reinforced by adding optimal content (<5%) of MCB particles. The rheological results indicate that there are obvious interactions between PU molecules and carbon black particles in solution.

Key words: Polyurethane, Carbon black, FTIR, Rheology, Mechanical property

CLC Number:

O631

TrendMD:

LIU Xin-Hai^1,3, ZHAO Ying^1*, LIU Zhi², WANG Du-Jin¹, WU Jin-Guang², XU Duan-Fu¹. Preparation and Characterization of Modified Nano Carbon Black/Polyurethane Composites[J]. Chem. J. Chinese Universities, doi: .

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Preparation and Characterization of Modified Nano Carbon Black/Polyurethane Composites

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