Compostable cellulose-based paper for gas barrier in packaging materials

• Main Authors: PLANCHARD HERVE, CARTIER, NOEL
• Format: Patent
• Language: Chinese; English
• Published: 12.08.2022
• Subjects: ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS,e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES,DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; CONVEYING; HANDLING THIN OR FILAMENTARY MATERIAL; IMPREGNATING OR COATING OF PAPER; PACKAGES; PACKAGING ELEMENTS; PACKING; PAPER NOT OTHERWISE PROVIDED FOR; PAPER-MAKING; PERFORMING OPERATIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; PRODUCTION OF CELLULOSE; PULP COMPOSITIONS; STORING; TEXTILES; TRANSPORTING; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G

The present invention relates to a compostable cellulose-based paper having an oxygen transmission of less than 10 cm < 3 >/(m < 2 > day) when determined at 23 DEG C and 50% relative humidity, the compostable cellulose-based paper comprising a continuous cellulose fiber matrix, the continuous cellulosic fiber matrix comprises natural cellulosic fibers and a non-fibrous cellulosic material, wherein the content of the non-fibrous cellulosic material in the continuous cellulosic fiber matrix is from 15% to 50% by weight. 本发明涉及一种可堆肥的纤维素基纸材，当在23℃和50％相对湿度下测定时，所述可堆肥的纤维素基纸材的氧气透过率为小于10cm3/(m2·天)，所述可堆肥的纤维素基纸材包含连续纤维素纤维基质，所述连续纤维素纤维基质包含天然纤维素纤维和非纤维纤维素材料，其中所述非纤维纤维素材料在所述连续纤维素纤维基质中的含量为15重量％至50重量％。