Changes of Handsheet Fracture Toughness by Wood and Cotton Fibers Mixing

Autor: Sang-Gu Yoon, Jong-Moon Park, Jeong-Jung Kim, Hyeon-Sik Shin, Dong-Uk Jang
Rok vydání: 2014
Předmět:
Zdroj: Journal of Korea Technical Association of The Pulp and Paper Industry. 46:81-87
ISSN: 0253-3200
DOI: 10.7584/ktappi.2014.46.3.081
Popis: Conditions of paper manufacturing process should be changed depending on the end use and paper properties. Most of the case, mixed pulps with long softwood fibers and short hardwood fibers are used to achieve proper qualities of product with reasonable production cost. For specialty paper manufacture the wood pulp and cotton linter pulp are usually mixed together. The objectives of this study is to analyze physical, mechanical and fracture mechanical properties of paper depending on SwBKP, HwBKP and cotton linter pulp(CLP) mixing. When the mixing ratio of SwBKP was increased, strength properties, such as tensile, tear, and folding endurance, were also increased. When the mixing ratio of SwBKP and HwBKP was increased, stress concentration index was decreased and fracture toughness was increased.
Databáze: OpenAIRE