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Title: Development of Specialty Paper is an Art: Bleached Absorbent Kraft from Indigenous Raw Materials — Part-III
Authors: Dutt, Dharm
Upadhyaya, J S
Malik, R S
Jindal, A K
Tyagi, C H
Issue Date: Mar-2003
Publisher: NISCAIR-CSIR, India
Abstract: Bleached absorbent Kraft base paper is highly specialized paper used for manufacturing of expensive decorative laminates and paper phenoic copper clad (PPCC) which is commercially known as pictorial circuit board. No filler loading and pulp beating is required in this paper. A furnish ratio of mill pulp having pine, bamboo and eucalyptus in the ratio of 1 :2 .3: 11 and soft wood being 1: 1 is found to be suitable for manufacturing of bleached absorbent kran base paper and fulfil all the requirements like water klemn, COP, tear strength , opacity, and brightness. One per cent MF resin dose at pH 6.17 is optimum to get specified value for cross- linking. The paper should be calendered to get a thickness between 280-310 μm and porosity 2300-2700 ML/min. No BIS specification is available; hence specifications from leading decorative laminates and PPCC were collected. The final results of laboratory made hand sheets are compared with specifications prescribed by leading manufacturers of PPCC and bleached Kraft and mill made bleached absorbent paper. The results are promising, which tempted the Indian paper makers to develop it indigenously.
Page(s): 179-183
ISSN: 0975-1084 (Online); 0022-4456 (Print)
Appears in Collections:JSIR Vol.62(03) [March 2003]

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