Silated polysaccharide process

Details Silated polysaccharide process Silated polysaccharide process

1990-09-28

1991-12-10

Page, Thurman K.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536 20, 536 51, 536 52, 536102, 536112, 536114, C08B 3702, C08B 3708, C08B 3712, C08B 3102

Patent

active

050719785

ABSTRACT:
Silated polysaccharides having 0.005 to 2.0 silyl molar substitution per anhydrosaccharide unit form water resistant films when cast from aqueous solution and dried in the presence of atmospheric carbon dioxide. These films are soluble in aqueous caustic. A preferred water soluble polymer is a cellulose ether with 0.005 to 1.0 silyl substitution.
A method for preparation involves:

REFERENCES:
patent: 3729438 (1973-04-01), Plenich
patent: 4106948 (1978-08-01), Cooper et al.
patent: 4474950 (1984-10-01), Felcht et al.
patent: 4480072 (1984-10-01), Mallon
patent: 4489117 (1984-12-01), Ono et al.
patent: 4604443 (1986-08-01), Chang et al.

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