Fibrous binder and a method for the preparation thereof

Details Fibrous binder and a method for the preparation thereof Fibrous binder and a method for the preparation thereof

1986-11-26

1988-05-17

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

106208, 264186, C08L 500

Patent

active

047448300

ABSTRACT:
The invention provides a fibrous binder capable of exhibiting a bonding ability in a dry condition for fibers having no self-adhesiveness in paper making but capable of imparting the paper made by use of the same with disintegrability into discrete fibers in a wet condition so that the paper is disposable in water. The fibrous binder is prepared by wet-spinning of an aqueous dope containing a water-soluble salt, e.g. sodium salt, of alginic acid and an alkyleneglycol ester of alginic acid in a specified proportion into a coagulation bath containing a water-soluble salt of certain metals, e.g. calcium, of which the ions are replaceable with the sodium ions of the water-soluble salt of alginic acid to convert the acid into a water-insoluble salt so as to form a water-insoluble gel in a fibrous form of a blend composed of the water-insoluble metal salt of alginic acid and the alkyleneglycol ester of alginic acid.

REFERENCES:
patent: 3503769 (1970-03-01), McDowell
patent: 4562110 (1985-12-01), Tong

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