Title:
BLEACHED WOOD POWDER, A PRODUCTION METHOD FOR BLEACHED WOOD POWDER, PAPER WHICH USES THE SAME AND A PRODUCTION METHOD FOR THE SAME
Document Type and Number:
WIPO Patent Application WO/2012/060672
Kind Code:
A2
Abstract:
The present invention relates to paper which uses bleached wood powder, and to a production method for the same, wherein paper is produced by mixing bleached wood powder into natural pulp thereby improving the dewaterability while reducing the amount of pulp used such that inexpensive and high-quality paper is provided. In the present invention, a wood material is subjected to a process in which it is milled and dried and is then sorted to smaller than a predetermined size and cleaned, the cleaned wood powder is bleached by being stirred for a predetermined time after having been introduced together with a bleaching agent, and the wood powder resulting from the bleaching is subjected to grinding processing and to a sorting and cleaning process, thereby producing bleached wood powder, and paper is produced by mixing from 5 to 20% by weight of the bleached wood powder with from 80 to 95% by weight of natural pulp and then subjecting the mixture to a paper-making process.
Inventors:
HWANG KUG HYUNE (KR)
Application Number:
PCT/KR2011/008430
Publication Date:
May 10, 2012
Filing Date:
November 07, 2011
Export Citation:
Assignee:
GBIOTECH CO LTD (KR)
HWANG KUG HYUNE (KR)
HWANG KUG HYUNE (KR)
International Classes:
D21H11/00; B27L11/06; D21C9/16; D21H11/12
Foreign References:
| KR100750875B1 | 2007-08-14 | |||
| JP2004204274A | 2004-07-22 | |||
| JP2004204270A | 2004-07-22 |
Attorney, Agent or Firm:
WON, Eun Sup (KR)
원은섭 (KR)
원은섭 (KR)
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Claims: