Title:
CONTAMINATION PREVENTION AGENT COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2012/168986
Kind Code:
A1
Abstract:
This contamination prevention agent composition for preventing pitch contamination in the drying part of the papermaking process contains a polysiloxane compound represented by formula (1) below, and the number of amino denatured groups per polysiloxane compound molecule is 0.5 to 5. In formula (1), the substituent R1 represents a methyl group or an amino denatured group represented by formula (2) below, and the number of repetitions n per siloxane unit represents an integer from 50 to 1000. In formula (2), substituent R2 and substituent R3 independently represent alkylene groups having 1 to 6 carbon atoms, and the number of repetitions m per amino alkylene unit represents an integer from 0 to 2.]
Inventors:
SEKIYA HIROSHI (JP)
SAWADA HIRAKU (JP)
SAWADA HIRAKU (JP)
Application Number:
PCT/JP2011/003322
Publication Date:
December 13, 2012
Filing Date:
June 10, 2011
Export Citation:
Assignee:
MAINTECH CO LTD (JP)
SEKIYA HIROSHI (JP)
SAWADA HIRAKU (JP)
SEKIYA HIROSHI (JP)
SAWADA HIRAKU (JP)
International Classes:
D21F5/00
Foreign References:
JP2003213587A | 2003-07-30 | |||
JP2004098306A | 2004-04-02 | |||
JP2002256214A | 2002-09-11 | |||
JP2010100697A | 2010-05-06 | |||
JPH07292382A | 1995-11-07 | |||
JP3388450B1 | 2003-03-24 |
Other References:
See also references of EP 2557226A4
Attorney, Agent or Firm:
SHIRASAKI, SHINJI (JP)
Shinji Shirasaki (JP)
Shinji Shirasaki (JP)
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Claims:
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