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Title:
REGENERATED PARTICLE AGGREGATE, PROCESS FOR PRODUCING REGENERATED PARTICLE AGGREGATE, REGENERATED-PARTICLE-AGGREGATE-CONTAINING PAPER CONTAINING REGENERATED PARTICLE AGGREGATE AS INTERNAL ADDITIVE, AND COATED PRINTING PAPER COATED WITH REGENERATED PARTICLE AGGREGATE
Document Type and Number:
WIPO Patent Application WO/2007/040281
Kind Code:
A1
Abstract:
[PROBLEMS] To provide various papers made with recyclable regenerated particle aggregates and thereby make a contribution to environmental preservation. [MEANS FOR SOLVING PROBLEMS] Deinked floss discharged from a wastepaper treatment step is used as the main raw material. The main raw material is subjected to a dehydration step, drying step, burning step, and pulverization step to obtain regenerated particle aggregates. In producing various papers, the regenerated particle aggregates are at least incorporated as, e.g., a filler as an internal additive or a pigment for coating.

Inventors:
NANBA HISAO (JP)
TAKAHASHI MASAAKI (JP)
MURATA JUNJI (JP)
OSUMI HIROYUKI (JP)
KAWANABE TOSHIAKI (JP)
TAKEDA AKIRA (JP)
Application Number:
PCT/JP2006/320128
Publication Date:
April 12, 2007
Filing Date:
October 06, 2006
Export Citation:
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Assignee:
DAIO SEISHI KK (JP)
NANBA HISAO (JP)
TAKAHASHI MASAAKI (JP)
MURATA JUNJI (JP)
OSUMI HIROYUKI (JP)
KAWANABE TOSHIAKI (JP)
TAKEDA AKIRA (JP)
International Classes:
D21H17/01; C01B33/12; C01B33/26; C02F11/00; D21H17/68; C01F7/02; C01F11/02
Foreign References:
JP2002275785A2002-09-25
JP2002308619A2002-10-23
JP2001262002A2001-09-26
JP2003119695A2003-04-23
JP2003049389A2003-02-21
JP2004176208A2004-06-24
US4908104A1990-03-13
Other References:
See also references of EP 1947240A4
Attorney, Agent or Firm:
NAGAI, Yoshihisa (3-2 Kajicho 2-chome, Chiyoda-k, Tokyo 44, JP)
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