San Fang Chemical Industry Company, Ltd.

Yuan-Chih Lan

Chung-Chih Feng

Chih-Yi Lin

Gao-Long Yang

Szu-Wei Huang

Ming-Hsiung Liang

Jong-Shy Lin

A method for producing microfine fibers having low resistance to deformation and high elasticity in accordance with the present invention comprises acts of: (a) providing polymer A and polymer B; (b) melting polymer A and polymer B to make a filament; (c) drawing the filament to make a staple fiber; (d) entangling the staple fiber to form a non-woven; (e) impregnating the non-woven with a impregnating agent; and may further have the acts of (f) impregnating the nonwoven with polyurethane; (g) coagulating the non-woven with dimethylformamide (DMF); (h) washing the non-woven with hot water; (i) impregnating the non-woven with a treatment agent; (j) abrading the non-woven to attain a split type mirofine fiber substrate; and (k) bonding a coating to the microfine fiber substrate. Therefore, the method can attain an artificial leather product having low resistance to deformation and high elasticity.

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Kaohsiung Hsien, Taiwan

Yuan-Chih Lan