CONTAMINATION PREVENTING AGENT COMPOSITION

Title:

CONTAMINATION PREVENTING AGENT COMPOSITION

Document Type and Number:

WIPO Patent Application WO/2020/202704

Kind Code:

A1

Abstract:

[Problem] To provide a contamination preventing agent composition capable of effectively preventing pitch contamination in a dry part. [Solution] The present invention relates to a contamination preventing agent composition for preventing pitch contamination in a dry part D of a papermaking process, the composition containing: a linear polysiloxane compound represented by formula (1); and a cyclic siloxane compound. [In formula (1), a substituent R1 represents, in the same molecule, a hydrogen atom, an alkyl group, a methylphenyl group, a polyether group, a higher fatty acid ester group, an amino-modified group, an epoxy-modified group, a carboxylic group, a phenol group, a mercapto group, a carbinol group, or a methacrylic group, and a repeating number n of a siloxane unit represents an integer of 20-1430.]

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Inventors:

SEKIYA HIROSHI (JP)
YUSA KAZUYUKI (JP)

Application Number:

PCT/JP2020/001398

Publication Date:

October 08, 2020

Filing Date:

January 16, 2020

Export Citation:

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Assignee:

MAINTECH CO LTD (JP)

International Classes:

D21F5/00; C08L83/08; C09K3/00; D21C9/08

Domestic Patent References:

WO2013005247A1	2013-01-10
WO2012168986A1	2012-12-13
WO2011105254A1	2011-09-01
WO2013005247A1	2013-01-10
WO2012168986A1	2012-12-13
WO2011105254A1	2011-09-01

Foreign References:

JP2014114425A	2014-06-26
JPH10310768A	1998-11-24
JP2014114425A	2014-06-26
JPH10310768A	1998-11-24
JP4868628B1	2012-02-01
JP4868629B1	2012-02-01

Other References: