腰果酚-木质素复合自催化型聚氨酯泡沫的制备及性能研究

doi:10.3969/j.issn.0253-2417.2017.02.015

Abstract

Abstract: Novel auto-catalytic cardanol-based polyols (CPO) with tert-butyl on the main chain were synthesized from cardanol and used to prepare the cardanol-based polyurethane foam(CPUF) with polyaryl polymethylene isocyanate (PAPI) under catalyst-free conditions. Subsequently, CPUFs were modified by lignin to prepare lignin and cardanol based polyurethane foam(LCPUF). The influences of lignin on the structure and performance of the polyurethane foam were further investigated. The results showed that lignin significantly improved the apparent density and mechanical properties of the CPUF. When the dosage of lignin was 20%, the cell diameter of the synthesized foam LCPUF slightly decreased and had the maximal apparent density and compressive strength of 81.48 kg/m³ and 0.44 MPa. Thermogravimetric (TG) analysis demonstrated that lignin had no significant effect on the thermostability of polyurethane foam.

Key words: cardanol, lignin, auto-catalytic model, polyurethane foam, mechanical properties

CLC Number:

TQ35

HUO Shuping, CHEN Jian, WU Guomin, LIU Guifeng, JIN Can, KONG Zhenwu. Preparation and Properties of Complex Auto-catalytic Polyurethane Foams from Cardanol and Lignin[J]. Chemistry and Industry of Forest Products, 2017, 37(2): 115-120.

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Preparation and Properties of Complex Auto-catalytic Polyurethane Foams from Cardanol and Lignin

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