Abstract
ABSTRACT The objective of this study was to investigate the beating properties of two types of cotton pulps such as “cotton lint mixed pulp” and “cotton linter pulp”. In order to improve refining characteristics, the effects of carboxymethyl-cellulose (CMC) pre-treatment, mixing ratio changes of cotton lint mixed pulp and cotton linter pulp, and refining load changes were analyzed. In mill application, it was possible to im-prove the refining characteristics and maintained the strength properties of the paper by applying increas-ing ratio of cotton linter pulp mixing and controlling the refining methods. Keywords: Cotton linter pulp, cotton lint mixed pulp, CMC pre-treatment, mixing ratio change, refining methods 1. 서 론 최근 제지용 면 펄프를 사용하는 생산현장에서는 펄프 구입비용이 증가함에 따라 대체할 수 있는 다양한 펄프에 대한 관심이 높아지고 있다. 그러나 제지공정에서 생산성 향상 및 원가절감, 품질 안정성 확보를 위해 면 펄프의 고해적성을 적합하게 유지해야 한다. 대체 적용할 수 있는 순수 린터섬유로 제조한 면 펄프는 기존 펄프에 비해 고해적성이 떨어지며 섬유변형이 어렵고 초지적성이 나빠지는 특성이 있다. 순수 린터 면섬유 펄프는 섬유조성과 원산지, 펄프화 방식이 근본적으로 달라 기존의 고해 메커니즘과 큰 차이가 있다. 고해특성을 향상시키기 위해 섬유에 화학약품을 이용하여 전 처리하는 고해방법이 널리 이용되고 있다.
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More From: Journal of Korea Technical Association of The Pulp and Paper Industry
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