Combined Cutinase and Keratinolytic Enzyme to Endow Improved Shrink-resistance to Wool Fabric 


Vol. 23,  No. 4, pp. 985-992, Apr.  2022
10.1007/s12221-022-4445-0


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  Abstract

The overlapping cuticle scales on the wool surface cause severe felting shrinkage during laundering. However, the conventional wool anti-felting processing mostly adopts dichloroisocyanurate (DCCA), which produces absorbable organic halogen (AOX) with high toxicity in the effluents and cause severe environmental problems. Herein, an environmentalfriendly enzymatic method was proposed and investigated to endow satisfactory shrink-proofing property for wool fabrics without severe damages. The cutinase from Thermobifida fusca and the keratinolytic enzyme from Bacillus subtilis were consecutively used to treat wool fabrics for 4 h and 24 h, respectively. The area shrinkage of the resultant wool fabrics decreased from 12.4 % to 5.86 % for to the cuticle was partly broken, which met the machine-washable requirement with an acceptable strength loss of 7.46 %. Moreover, the dyeability and wettability of the resultant fabric were improved after the combined enzymatic treatments, due to the destruction of the lipid layer and breakdown of keratin by combined cutinase and keratinolytic enzyme according to the analyses such as scanning electron microscope (SEM) and X-ray photoelectron spectroscopy (XPS) and contact angle. Overall, our result revealed that the synergistic actions of cutinase and keratinolytic enzyme treatments could effectively disintegrate cuticles and remove scales.

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  Cite this article

[IEEE Style]

N. Zhang, P. Huang, P. Wang, Y. Yu, M. Zhou, Q. Wang, "Combined Cutinase and Keratinolytic Enzyme to Endow Improved Shrink-resistance to Wool Fabric," Fibers and Polymers, vol. 23, no. 4, pp. 985-992, 2022. DOI: 10.1007/s12221-022-4445-0.

[ACM Style]

Nan Zhang, Panghui Huang, Ping Wang, Yuanyuan Yu, Man Zhou, and Qiang Wang. 2022. Combined Cutinase and Keratinolytic Enzyme to Endow Improved Shrink-resistance to Wool Fabric. Fibers and Polymers, 23, 4, (2022), 985-992. DOI: 10.1007/s12221-022-4445-0.

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