Rigid Polyurethane Nanocomposites Prepared by Direct Incorporation: Effects of Nanoclay, Carbon Nanotubes and Mixing Speed on Physical and Morphological Properties

4th Asia Pacific Conference on Manufacturing Systems; 3rd International Manufacturing Engineering Conference

Ramadhoni, Benni^1 ; Ujianto, Onny^1 ; Nadapdap, Maxwell^1

Center for Polymer Technology, Agency for Assessments and Applications of Technology, South Tangerang, Banten

15313, Indonesia^1

关键词: Controlled variables;    Fire retardancy;    Morphological properties;    Multiwalled Carbon Nanotube (MWCNT);    Nanoclay dispersion;    Nucleating agents;    Polyurethane nanocomposites;    Solution mixing;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/319/1/012041/pdf
DOI  :  10.1088/1757-899X/319/1/012041

来源: IOP

【 摘 要 】

Rigid polyurethane (PU) nanocomposites were fabricated via solution mixing of PU, nanoclay and multiwalled carbon nanotubes (MWCNT) according to full factorial DoE. The nanoclay and MWCNT concentration as well as mixing speed were varied. The effects of controlled variables on reduced compressive strength, fire retardancy, hardness and morphological properties were analized. In general, the results showed that incorporation of nanofillers into PU matrix successfully elevated nanocomposites performance. The properties changed from -12% to 45% for reduced compressive strength, 9% to 30% for reduced fire retardancy and -32% to 101% for reduced hardness. The results suggested that the improvements were affected by nanoclay dispersion that acted as nucleating agent which resulted in smaller close cells of PU structures.