Bio-Based Healable 2K PU Textile Coating for Durable Applications
A biobased healable 2K polyurethane (PU) coating incorporating a Schiff base was synthesized and applied as a thin coating on textiles. The Schiff base, made out of cystine and vanillin, contained reversible imine and disulfide bonds and was used as a chain extender in PU synthesis. The FT-IR analys...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2022-09-01
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| Series: | Polymers |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2073-4360/14/19/4014 |
| _version_ | 1797477353049292800 |
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| author | David De Smet Myriam Vanneste |
| author_facet | David De Smet Myriam Vanneste |
| author_sort | David De Smet |
| collection | DOAJ |
| description | A biobased healable 2K polyurethane (PU) coating incorporating a Schiff base was synthesized and applied as a thin coating on textiles. The Schiff base, made out of cystine and vanillin, contained reversible imine and disulfide bonds and was used as a chain extender in PU synthesis. The FT-IR analysis indicated the successful incorporation of the Schiff base in the PU backbone. Compared with control PU coatings, the healable bio-based PU coating with the Schiff base showed very good healing properties using heat as external stimuli: a healing recovery of 75% was obtained after applying a 2 N scratch and complete recovery of the resistance to hydrostatic pressure. SEM analysis revealed complete closure of the scratch after healing for 30 min at 90 °C. The healing properties are attributed to the synergy of the dual-dynamic metatheses of the imine and disulfide bonds. |
| first_indexed | 2024-03-09T21:16:24Z |
| format | Article |
| id | doaj.art-e5a0c651955e4542b4a7c06c685de70c |
| institution | Directory Open Access Journal |
| issn | 2073-4360 |
| language | English |
| last_indexed | 2024-03-09T21:16:24Z |
| publishDate | 2022-09-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Polymers |
| spelling | doaj.art-e5a0c651955e4542b4a7c06c685de70c2023-11-23T21:32:49ZengMDPI AGPolymers2073-43602022-09-011419401410.3390/polym14194014Bio-Based Healable 2K PU Textile Coating for Durable ApplicationsDavid De Smet0Myriam Vanneste1Centexbel, Technologiepark 70, 9052 Zwijnaarde, BelgiumCentexbel, Technologiepark 70, 9052 Zwijnaarde, BelgiumA biobased healable 2K polyurethane (PU) coating incorporating a Schiff base was synthesized and applied as a thin coating on textiles. The Schiff base, made out of cystine and vanillin, contained reversible imine and disulfide bonds and was used as a chain extender in PU synthesis. The FT-IR analysis indicated the successful incorporation of the Schiff base in the PU backbone. Compared with control PU coatings, the healable bio-based PU coating with the Schiff base showed very good healing properties using heat as external stimuli: a healing recovery of 75% was obtained after applying a 2 N scratch and complete recovery of the resistance to hydrostatic pressure. SEM analysis revealed complete closure of the scratch after healing for 30 min at 90 °C. The healing properties are attributed to the synergy of the dual-dynamic metatheses of the imine and disulfide bonds.https://www.mdpi.com/2073-4360/14/19/4014polyurethane (PU)healingcoatingtextilebio-based |
| spellingShingle | David De Smet Myriam Vanneste Bio-Based Healable 2K PU Textile Coating for Durable Applications Polymers polyurethane (PU) healing coating textile bio-based |
| title | Bio-Based Healable 2K PU Textile Coating for Durable Applications |
| title_full | Bio-Based Healable 2K PU Textile Coating for Durable Applications |
| title_fullStr | Bio-Based Healable 2K PU Textile Coating for Durable Applications |
| title_full_unstemmed | Bio-Based Healable 2K PU Textile Coating for Durable Applications |
| title_short | Bio-Based Healable 2K PU Textile Coating for Durable Applications |
| title_sort | bio based healable 2k pu textile coating for durable applications |
| topic | polyurethane (PU) healing coating textile bio-based |
| url | https://www.mdpi.com/2073-4360/14/19/4014 |
| work_keys_str_mv | AT daviddesmet biobasedhealable2kputextilecoatingfordurableapplications AT myriamvanneste biobasedhealable2kputextilecoatingfordurableapplications |