Title:
WATER-BASED WATER REPELLANT FOR TREATMENT OF SUBSTRATES
Document Type and Number:
WIPO Patent Application WO2002068558
Kind Code:
A9
Abstract:
A water-based water repellant for the treatment of substrates made from lignocellulose or the like, characterized by containing a product obtained by copolycondensing 100 parts by weight of (A) an organosilicon compound of the general formula (1) with 0.5 to 49 parts by weight of (B) an amino-containing alkoxysilane of the general formula (2) or a partial hydrolyzate thereof through hydrolysis in the presence of an organic or inorganic acid: (R<1>)a(OR<2>)bSiO(4-a-b)/2 (1) (wherein R<1> is alkyl; R<2> is alkyl; a is 0.75 to 1.5; and b is 0.2 to 3, with the proviso that a and b satisfy the relationship 0.9 < a+b R<4>NR<5>-SiR<6>n(OR<2>)3-n(2) (wherein R<3> and R<4> are each hydrogen, alkyl, or aminoalkyl; R<5> is a divalent hydrocarbon group; R<6> is alkyl; and n is 0 or 1).
Inventors:
MATSUMURA KAZUYUKI (JP)
YAMAMOTO AKIRA (JP)
SUDA HISAYOSHI (JP)
KADOTA KENICHI (JP)
YAMAMOTO AKIRA (JP)
SUDA HISAYOSHI (JP)
KADOTA KENICHI (JP)
Application Number:
PCT/JP2002/001560
Publication Date:
December 27, 2002
Filing Date:
February 21, 2002
Export Citation:
Assignee:
SHINETSU CHEMICAL CO (JP)
MATSUMURA KAZUYUKI (JP)
YAMAMOTO AKIRA (JP)
SUMITOMO FORESTRY (JP)
SUDA HISAYOSHI (JP)
KADOTA KENICHI (JP)
MATSUMURA KAZUYUKI (JP)
YAMAMOTO AKIRA (JP)
SUMITOMO FORESTRY (JP)
SUDA HISAYOSHI (JP)
KADOTA KENICHI (JP)
International Classes:
B27K3/15; B27K3/50; C09D183/08; C09K3/18; (IPC1-7): C09K3/18; B32B21/08; B27K3/50
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