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)
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:
Assignee:
DAIO SEISHI KK (JP)
NANBA HISAO (JP)
TAKAHASHI MASAAKI (JP)
MURATA JUNJI (JP)
OSUMI HIROYUKI (JP)
KAWANABE TOSHIAKI (JP)
TAKEDA AKIRA (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:
JP2002275785A | 2002-09-25 | |||
JP2002308619A | 2002-10-23 | |||
JP2001262002A | 2001-09-26 | |||
JP2003119695A | 2003-04-23 | |||
JP2003049389A | 2003-02-21 | |||
JP2004176208A | 2004-06-24 | |||
US4908104A | 1990-03-13 |
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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