Processing and properties of an ethylene–vinyl acetate blend foam incorporating ethylene–vinyl acetate and polyurethane waste foams
Waste polyurethane foam (w-PU) and waste ethylene–vinyl acetate foam (w-EVA) were used as fillers for the production of an ethylene–vinyl acetate (EVA) blend foam. Two different foaming techniques (single-stage and heat–chill processes) were used for this purpose. The waste foam concentration was va...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
John Wiley & Sons Inc.
2017
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| Subjects: | |
| Online Access: | https://eprints.ums.edu.my/id/eprint/19236/1/Processing%20and%20properties%20of%20an%20ethylene.pdf https://eprints.ums.edu.my/id/eprint/19236/ |
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| Summary: | Waste polyurethane foam (w-PU) and waste ethylene–vinyl acetate foam (w-EVA) were used as fillers for the production of an ethylene–vinyl acetate (EVA) blend foam. Two different foaming techniques (single-stage and heat–chill processes) were used for this purpose. The waste foam concentration was varied up to 30 wt % of the original EVA. The physical, mechanical, and morphological properties of the filled foam were studied. The single-stage process produced blend foams with a lower density and a greater cell size than the foams obtained by the heat–chill process. The density and compression strength of the blend foam increased as the percentage of w-PU foam increased. However, for the w-EVA/EVA blend foams, the addition of w-EVA foam did not significantly affect the density or compression strength compared to the original EVA foams. |
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