Composite kraft paper and preparation method thereof

• Main Author: HE FENGFEI
• Format: Patent
• Language: Chinese; English
• Published: 01.03.2019
• Subjects: APPARATUS THEREFOR; IMPREGNATING OR COATING OF PAPER; PAPER NOT OTHERWISE PROVIDED FOR; PAPER-MAKING; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; PRODUCTION OF CELLULOSE; PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCESFROM CELLULOSE-CONTAINING MATERIALS; PULP COMPOSITIONS; REGENERATION OF PULPING LIQUORS; TEXTILES; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G

The invention discloses composite kraft paper. The composite kraft paper is prepared from surface layer slurry and bottom layer slurry, wherein the surface layer slurry is prepared from waste book paper deinked pulp and a pigment, and the bottom slurry is prepared from waste cement paper bag pulp. A...