As the jets of cellulose acetate solution emerge they meet a stream of warm air which evaporates the acetone, leaving the solid cellulose acetate in the form of fine filaments.

• 在醋酯纤维素的射流束出现时,会遇到一股热流,丙酮被蒸发,剩下的则是细丝状的醋酯纤维纱。