SYNTHETIC PULP, SYNTHETIC PAPER, AND MANUFACTURING METHOD OF SYNTHETIC PULP

• Main Authors: TSURUTA MANABU, NAKAMURA KENICHI
• Format: Patent
• Language: English; Japanese
• Published: 19.01.2024
• Subjects: IMPREGNATING OR COATING OF PAPER; MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OFARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES ORRIBBONS; NATURAL OR ARTIFICIAL THREADS OR FIBRES; PAPER NOT OTHERWISE PROVIDED FOR; PAPER-MAKING; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; PRODUCTION OF CELLULOSE; PULP COMPOSITIONS; SPINNING; TEXTILES; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G

To provide a synthetic pulp which enables manufacture of synthetic pulp having high heat resistance, good smoothness and a large specific surface area.SOLUTION: A synthetic pulp contains microfibril fibers containing a thermoplastic resin having a melting point of 150°C or higher as a main component and having an average fiber diameter of 20 μm or more and 60 μm or less, and has Canadian standard freeness of 200 ml or more and 740 ml or less.SELECTED DRAWING: None 【課題】耐熱性が高く、平滑性が良好であり、さらに比表面積が大きい合成紙の製造が可能な合成パルプを提供すること。【解決手段】上記課題を解決する合成パルプは、融点が１５０℃以上である熱可塑性樹脂を主成分とし、かつ平均繊維径が２０μｍ以上６０μｍ以下であるミクロフィブリル繊維を含み、カナディアン標準濾水度が２００ｍｌ以上７４０ｍｌ以下である。【選択図】なし