In the field of textile auxiliaries, the dispute between hydrophilicity and hydrophobicity of silicone softeners has always been a technical problem. These two properties have their own advantages, but a single property can no longer meet the diversified needs of modern textiles.
Hydrophilic silicone softeners can significantly improve the moisture absorption and perspiration performance of fabrics, making the fabrics more in line with human comfort needs. Experimental data show that the wicking height of hydrophilically treated cotton fabrics is increased by 60%, and the water evaporation rate is accelerated by 45%, which is particularly suitable for close-fitting textiles such as sportswear and underwear. However, its durability is relatively poor. After 20 washes, the softness retention rate is only 65%.
Hydrophobic silicone softeners show excellent durability and softening effects. Tests show that the static friction coefficient of hydrophobically treated polyester fabrics is reduced by 40%, the dynamic friction coefficient is reduced by 35%, and the softness retention rate can still reach more than 85% after 50 washes. However, its water-repellent properties limit its application in skin-friendly textiles.
The development of modern textile technology has promoted the integration of the two. Through molecular structure design, an amphiphilic silicone softener with both hydrophilic groups and hydrophobic segments has been developed. This new additive allows the fabric to have both excellent soft feel and good moisture absorption performance. After 30 washes, the softness retention rate reaches 80%, the wicking height is increased by 50%, and the water evaporation rate is accelerated by 40%.
Choosing hydrophilic or hydrophobic is no longer a two-choice proposition. The future development direction is to develop intelligent silicone softeners that automatically adjust the hydrophilic and hydrophobic balance according to the use of textiles to achieve optimal performance. This innovation will push the textile auxiliary industry to a higher level.