Process for degrading by hydrolysis textiles comprising polyeste

Details Process for degrading by hydrolysis textiles comprising polyeste Process for degrading by hydrolysis textiles comprising polyeste

1985-04-11

1987-04-07

Hornsby, Harvey C.

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Manipulation of liquid

811551, D06M 502

Patent

active

046549110

ABSTRACT:
This process carries out degradation of textile comprising polyester fiber and/or acetate fiber in the apparatus having an automatic titration device and a microcomputer, and the degradation is carried out in the substantially closed state in the apparatus, and the course of the degradation is monitored based on the decrease in the concentration of alkaline solution in the apparatus. According to the invention, the rate of degradation can be easily and accurately controlled.

REFERENCES:
patent: 4263008 (1981-04-01), Sando et al.
patent: 4332585 (1982-06-01), Minemura et al.
patent: 4400838 (1983-08-01), Steers et al.
S. M. Gawish & G. Ambroise, "Alkaline Hydrolysis of Polyester Fabric," American Dyestuff Reporter, (Feb. 1986), 30-32.

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