Process for the production of leather base material

Details Process for the production of leather base material Process for the production of leather base material

1982-05-26

1985-08-20

Morris, Theodore

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

106124, 106155, 106161, 521 841, 521102, C08J 900, C08L 8906

Patent

active

045364303

ABSTRACT:
Leather waste is cut up into strips or portions and then subjected to working in order to break up the strips or portions into fine material and individual fibers, the fibers then being separated from the fine material. Alternatively, the strips or portions may be worked in order to loosen cohesion between the fibers, thereby producing bunches thereof. The bunches are at least partially broken up into individual fibers by means of a solvent which is then removed. Additives may be added in order to impart further properties to the material.

REFERENCES:
patent: 736957 (1903-08-01), Gautier
patent: 2096684 (1937-10-01), Neufeld
patent: 2299011 (1942-10-01), Emmitt
patent: 2808398 (1957-10-01), Forward
patent: 4246360 (1981-01-01), Brown et al.
patent: 4327195 (1982-04-01), Cioca et al.
patent: 4380474 (1983-04-01), Cioca et al.

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