NEEDLE-LEAVED TREE KRAFT FIBER IMPROVED IN WHITENESS AND BRIGHTNESS, METHOD FOR PRODUCING THE SAME AND METHOD FOR USING THE SAME

Japan Patent

APP PUB NO JP-2017141541-A
SERIAL NO

2017102977

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Abstract

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PROBLEM TO BE SOLVED: To provide a bleached needle-leaved tree kraft pulp fiber having a high α cellulose content and increased brightness and whiteness.SOLUTION: Provided is a bleached needle-leaved tree kraft pulp fiber having a high α cellulose content and increased brightness and whiteness. Also provided is a method for producing the kraft fiber, and a product produced therefrom. For example, a needle-leaved tree kraft fiber having an ISO brightness of at least about 92%, a CIE whiteness of at least about 85 and an R18 value of at least about 87.5 is provided. A needle-leaved tree kraft pulp plate containing needle-leaved tree southern pine and having a density of about 0.59 to 0.65 g/cc is also provided.SELECTED DRAWING: None

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GP CELLULOSE GMBHNot Provided

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Inventor(s)

Inventor Name Address
NONNI ARTHUR J -
COURCHENE CHARLES E -
PHILLIP R CAMPBELL -
STEVEN C DOWDLE -
JOEL M ENGLE -
CHRISTOPHER M SLONE -

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