期刊
TEXTILE RESEARCH JOURNAL
卷 90, 期 21-22, 页码 2367-2375出版社
SAGE PUBLICATIONS LTD
DOI: 10.1177/0040517520918665
关键词
wool fabric; felting shrinkage; mechanical force; fabric movement; impact force; tumble dryer
资金
- Fundamental Research Funds for the Central Universities [2232020G-08]
- National Key R&D Program of China [2019YFB1706304]
- Shanghai Science and Technology Committee [17DZ2202900]
- Shanghai Summit Discipline in Design [DD18005]
- Institute for Nonlinear Sciences of Donghua University [INS1901]
- China Scholarship Council
Felting shrinkage of untreated wool fabric occurs easily during tumble drying. Mechanical action applied on fabrics plays a significant part in felting shrinkage of wool fabric. In general, the more severe the mechanical action of a washing or drying machine, the more rapid the felting shrinkage. However, both the degree and type of mechanical action applied on the fabric can influence felting shrinkage of untreated wool fabric. In the current study, fabric movement and felting shrinkage of untreated wool fabric at different rotation speeds of the drum in a tumble dryer without heating were studied. Based on the different fabric movements at different rotation speeds of the tumble drum, the extents of impact and rubbing forces at different rotation speeds were assessed by ranking. The total mechanical action applied on the fabric was expressed as the percentage of thread removal of thread removal fabric during the drying process. The results showed that lowest mechanical force on fabrics could be achieved when higher rotation speeds of the drum were used to dry wool fabrics in the tumble dryer, and could prevent wool felting shrinkage. It was also found that falling of the fabric followed by impact on the drum wall caused less felting shrinkage than sliding with rubbing between fabrics. Therefore, maintaining the falling movement could be a potential method to dry wool fabric in drying machines without causing severe felting shrinkage.
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