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Hazy transparent nanopaper decreases filtration time with increasing haze (a), maintains a high crystallinity (b), shows low CTEs (c), and exhibits a high heat resistance under nitrogen (d). ○: Low purity cellulose wet pulp from softwood, ●: low purity cellulose wet pulp from hardwood, △: high purity cellulose wet pulp from softwood, ▲: high purity cellulose wet pulp from hardwood, ■: high purity cellulose dried pulp from hardwood.
