Crosslinked pulps, cellulose ether products made therefrom; and related methods of making pulps and cellulose ether products
Pulps, cellulose ether products, and methods of making pulps are described.
1. A pulp comprising:
crosslinked cellulose fibers, wherein the pulp has a pulp R18 value greater than or equal to 93%, and
wherein the pulp has a water retention value (WRV) in a range of 0.8 g/g to less than 1.0 g/g.
2. The pulp according to claim 1 , wherein the pulp includes hemicellulose at about 6 wt. % by dry mass or greater.
3. The pulp according to claim 1 , wherein the pulp has a resultant carboxymethyl cellulose (CMC) viscosity of greater than 56 centipoise (cP).
4. The pulp according to claim 1 , wherein the pulp has a resultant CMC viscosity in a range of about 100 cP to about 400 cP.
5. The pulp according to claim 1 , wherein the pulp has a resultant CMC weight average molecular weight greater than about 800 kilodalton (kDa).
6. The pulp according to claim 1 , wherein the pulp has a resultant CMC weight average molecular weight in a range of about 900 kDa to about 4,000 kDa.
7. The pulp according to claim 1 , wherein the pulp R18 value is in a range of 93% to about 100%.
8. The pulp according to claim 1 , wherein the pulp has a resultant CMC polydispersity index (PDI) of greater than or equal to about 3.
9. The pulp according to claim 1 , wherein the crosslinked cellulose fibers include a glycidyl ether crosslinker having two or more glycidyl groups.
10. The pulp according to claim 1 , wherein the pulp includes hemicellulose in a range from about 6 wt. % by dry mass to about 30 wt. % by dry mass.
11. The pulp according to claim 1 , wherein the pulp is a kraft pulp.
12. The pulp according to claim 1 , wherein the pulp is a straw pulp.
13. The pulp according to claim 1 , wherein the pulp is a cotton linters pulp.