Paper composition and methods therefor
OwnerChokyun Rha, Maritta Timoneninventors
Life of this patent
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Abstract
A paper product treated with a degradation product of a polysaccharide derivative comprising a mixture of oligomers of the polysaccharide derivative, a majority of said oligomers having a degree of polymerization such that the oligomer conforms to a rod-like configuration.
Claims67
A paper product treated with a degradation product of a cellulose derivative comprising a mixture of oligomers of the cellulose derivative, a majority of said oligomers having a degree of polymerization of between about 5 and about 50.
A method of increasing the strength of paper comprising,
- treating the paper with a degradation product of a cellulose derivative comprising a mixture of oligomers of the cellulose derivative, a majority of the oligomers having a degree of polymerization between about 5 and about 50.
In a method of paper manufacture having the steps of:
- (a) pulping the fibers;
- (b) refining the paper stock;
- (c) forming the paper sheet;
- and
- (d) drying the paper sheet,
- the improvement comprising:
- treating the paper with a degradation product of a cellulose derivative comprising a mixture of oligomers of the cellulose derivative, a majority of said oligomers having a degree of polymerization between about 5 and 50.
A method of increasing the dewatering properties of a paper product, comprising treating the paper product with a degradation product of a cellulose derivative comprising a mixture of oligomers of the cellulose derivative, a majority of said oligomers having a degree of polymerization between about 5 and about 50.
A paper product treated with a degradation product of a cellulose derivative comprising a mixture of oligomers of the cellulose derivative the majority of which have a Mark-Houwink exponent of at least 1.2 at an NaCl concentration of about 0.005N to 0.5N.
A method of increasing the strength of paper comprising,
- treating the paper with a degradation product of a cellulose derivative comprising a mixture of oligomers of the cellulose derivative, a majority of said oligomers having a Mark-Houwink exponent of at least 1.2 at an NaCl concentration of about 0.005N to about 0.5N.
In a method of paper manufacture having the steps of:
- (a) pulping the fibers;
- (b) refining the paper stock;
- (c) forming the paper sheet;
- (d) drying the paper sheet,
- the improvement comprising treating the paper with a degradation product of a cellulose derivative comprising a mixture of oligomers of the cellulose derivative, a majority of the oligomers having a Mark-Houwink exponent of at least 1.2 at an NaCl concentration of about 0.005N to about 0.5N.
A method of increasing the dewatering properties of paper, comprising treating the paper with a degradation product of a cellulose derivative comprising a mixture of oligomers of the cellulose derivative, a majority of which have a Mark-Houwink exponent of at least 1.2 at an NaCl concentration of about 0.005N to about 0.5N.
A paper product treated with a degradation product of cellulose derivative comprising a mixture of oligomers of the cellulose derivative, the majority of which have a degree of polymerization in the range of about 5 to about 50 and a rod-like configuration.
A method of increasing the strength of paper comprising,
- treating the paper with a degradation product of a cellulose derivative comprising a mixture of oligomers, the majority of which have a degree of polymerization in the range of about 5 to about 50 and a rod-like configuration.
In a method of paper manufacture having the steps of:
- (a) pulping the fibers;
- (b) refining the paper stock;
- (c) forming the paper sheet;
- and
- (d) drying the paper sheet,
- the improvement comprising treating the paper with a degradation product of a cellulose derivative comprising a mixture of oligomers, the majority of which have a degree of polymerization in the range of about 5 and about 50 and a rod-like configuration.
A method of increasing the dewatering properties of paper, comprising treating the paper with a degradation product of a cellulose derivative comprising a mixture of oligomers, the majority of which have a degree of polymerization in the range of about 5 and about 50 and a rod-like configuration.
Dependencies are inferred from the claim text.