| Study on Ethanol and Iodophor Resistance Properties of TPU/MABS Alloys |
| Received:October 10, 2022 Revised:October 14, 2022 |
| DOI：10.12136/j.issn.1000-890X.2024.07.0500 |
| Key Words: TPU；methyl methacrylate-acrylonitrile-butadiene-styrene copolymer；ethanol resistance property；Iodophor resistance property |
| Author Name | Affiliation | E-mail | | YIN YUN SHAN* | Weigao Group Co., LTD | 357794825@qq.com |
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| Abstract: |
| Polyether type and polyester type polyurethane（TPU）/methyl methacrylate-acrylonitrile-butadiene-styrene copolymer（MABS） alloys were prepared with different TPU/MABS blending ratios，and their ethanol and Iodophor resistance properties were studied.The results showed that after soaking in ethanol and Iodophor for 24 h，MABS exhibited a large number of cracks or even fractures perpendicular to the stress direction.With the increase of TPU amount，the cracks of TPU/MABS alloys soaked in ethanol and Iodophor for 24 h decreased or even disappeared.The tensile strengths of TPU/MABS alloys unsoaked and ethanol and Iodophor soaked for 24 h decreased.The impact strength of TPU/MABS alloy soaked in ethanol for 24 h first increased and then decreased.When the TPU amount was 30 and 20 phr respectively，polyether type TPU/MABS alloys soaked in ethanol and Iodophor had the highest impact strength respectively.Overall，stress cracking resistance property of polyether type TPU/MABS alloy was better than that of polyester type TPU/MABS alloy，and the impact strength was lager. |
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