종이의 제조

• Main Author: NORDSTROEM FREDRIK
• Format: Patent
• Language: Korean
• Published: 26.07.2022
• 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; TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKINGMACHINE

하기 단계를 포함하는 종이의 제조 방법이 제공된다: a) ISO 5267-1:1999에 따라 측정된 25-50의 쇼퍼-리글러(SR) 수치를 갖는, 적어도 70 중량%의 술페이트 또는 술파이트 펄프를 포함하는 펄프를 제공하는 단계; b) 펄프를 0.1%-0.9%의 컨시스턴시로 희석하는 단계; 및 c) 적어도 1100 m/min, 예컨대 1100-1800 m/min의 기계 속도로 형성 섹션에서 단계 b)의 희석된 펄프로부터 지필(web)을 형성하는 단계. There is provided a method of producing a paper, comprising the steps of:a) providing a pulp having a Schopper-Riegler (SR) number measured according to ISO 5267-1:1999 of 25-50, which pulp comprises at least 70% by weight sulphate or sulphite pulp;b) diluting the pulp to a consistency of 0.1%-0.9%; andc) forming a web from the diluted pulp from step b) in a forming section at a machine speed of at least 1100 m/min, such as 1100-1800 m/min.