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| Titel: |
UV curing for encapsulated aroma finish on cotton |
| Auteur: |
Li, S. Boyter, H. Qian, L. |
| Verschenen in: |
The journal of the Textile Institute |
| Paginering: | Jaargang 96 (2005) nr. 6 pagina's 407-411 |
| Jaar: |
2005-02-01 |
| Inhoud: |
Microencapsulation is a useful method for protecting various functional finishes on textiles. As the capsules do not have affinity to fabrics, a binder should be used to fix the capsules for the purpose of finish durability. Conventional fixation is a thermal process, in which a fabric is cured at 130-170°C for 1-10 minutes to make the components of the binder cross-link together, and tightly fix capsules on the fabric. During curing, however, the aroma inside capsules can be lost through quick evaporation and swelling to escape or break the capsule. The loss from capsules can seriously reduce the amount of aroma on the fabric and decrease the durability. An aroma capsule finished cotton fabric treated by a thermal curing process can only bear 25 wash cycles. To avoid the thermal process, an UV resin can be used to fix capsules because the resin can be cured under UV light at low temperatures in seconds. During UV curing, the amount of lost aroma is limited, which ensures higher durability of the finish. With an intensive study on the effects of initiators, UV lights, and curing conditions on finish durability, an optimal finishing process was developed. If a cotton fabric is finished with the selected aroma capsule and UV resin, and cured under the optimal conditions, the aroma function can withstand 50 wash cycles. Whiteness and stiffness of the finished fabrics were also examined. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 217 van 225 gevonden artikelen
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