Treatment of textile waste formed of polyester and cellulosic fi

Details Treatment of textile waste formed of polyester and cellulosic fi Treatment of textile waste formed of polyester and cellulosic fi

1974-11-18

1976-02-10

Seccuro, Carman J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C08J 1104

Patent

active

039376753

ABSTRACT:
Textile wastes formed of blended cellulose and polyester fibers are treated with a mineral acid agent, such as sulfuric acid, under conditions which serve to hydrolyze the cellulose and convert it to a form which is readily removed from the polyester fibers while leaving the polyester fiber substantially unaffected. The cellulosic material is recovered in the form of "fibrets" adapted for use as such or for treatment in producing other cellulosic compounds whereas the polyester fiber recovered may be garnetted for reuse in either spun yarn manufacture or in nonwoven processes.

REFERENCES:
patent: 2498398 (1950-02-01), Dasher
patent: 2567802 (1951-09-01), Carr et al.
patent: 2701268 (1955-02-01), Dasher
ott et al., - (Text Book) Cellulose Part II - 4/1955 - pp. 778-779.

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