Bleaching and dyeing; fluid treatment and chemical modification – Chemical modification of textiles or fibers or products thereof – Cellulose ester or ether fibers
Patent
1976-09-30
1978-01-10
Wong, Jr., Harry
Bleaching and dyeing; fluid treatment and chemical modification
Chemical modification of textiles or fibers or products thereof
Cellulose ester or ether fibers
8188, 536 50, D06M 1308, D06M 514, C08B 1120, C08B 11145
Patent
active
040676897
ABSTRACT:
Diethylaminoethyl (DEAE)-Cotton, prepared so that the tertiary amine nitrogens have unshared electrons and are thus in the Lewis-base form, is reacted with an alcoholic solution of an alpha-omega dihaloalkane to quaternize amino groups. The fabric produced by this process is crosslinked between tertiary amine nitrogen groups in cellulose and every alkylene group introduced is connected to two quaternary ammonium ions. The products of this process have strong base anion exchange properties and fabrics of high nitrogen content are imparted both wet and dry crease resistance.
REFERENCES:
patent: 3494719 (1970-02-01), Soignet et al.
patent: 3644082 (1972-02-01), Berni et al.
patent: 3652540 (1972-03-01), Determann et al.
patent: 3754055 (1973-08-01), Rembaum
Benerito Ruth R.
Perrier Dorothy M.
Cangemi Salvador J.
McConnell David G.
Silverstein M. Howard
The United States of America as represented by the Secretary of
Tungol Maria S.
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