Sodium carboxymethylcellulose

Details Sodium carboxymethylcellulose Sodium carboxymethylcellulose

1987-06-17

1989-07-04

Griffin, Ronald W.

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

Organic compounds

Carbohydrates or derivatives

106170, C08B 1100

Patent

active

RE0329762

ABSTRACT:
Sodium carboxymethylcellulose is disclosed wherein the average degree of substitution (DS) of carboxymethyl groups per anhydroglucose unit is in the range of 0.4 to 1.6, the number-average degree of polymerization is in the range of 100 to 1,500, and the mobility distribution (.DELTA.U) as measured by electrophoresis is represented by the following formula: [.DELTA.U.times.10.sup.5 <(-3.0 logDS+3.20).times.10.sup.5 cm.sup.2 /sec.multidot.V.] .DELTA.U.times.10.sup.5 <(-3.0 logDS+3.20)cm.sup.2 /sec.multidot.V.

REFERENCES:
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patent: 3284441 (1966-11-01), Bishop et al.
patent: 3900463 (1975-08-01), Yada et al.
patent: 4063018 (1977-12-01), Ohnaka et al.
patent: 4306061 (1981-12-01), Majewicz
patent: 4339573 (1982-07-01), Wust et al.
patent: 4401813 (1983-08-01), Lowell et al.

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