BINDER COMPOSITION FOR THE FORMATION OF SELF-CURING MOLDS

Title:

BINDER COMPOSITION FOR THE FORMATION OF SELF-CURING MOLDS

Document Type and Number:

WIPO Patent Application WO/2011/078082

Kind Code:

A1

Abstract:

Provided is a binder composition for the formation of self-curing molds which can improve the strength of a mold and the depth curability thereof. Also provided is a process for the production of molds using the same. A binder composition for the formation of self-curing molds which comprises (A) at least one condensate selected from among furfuryl alcohol condensates and furfuryl alcohol/formaldehyde condensates and (B) an acid-curable resin, wherein the condensate (A) has a content ratio by mole of furan ring (a) to the total of methylol group (b), methylene group (c), and oxymethylene group (d), a : (b+c+d), of 1 : 1.00 to 1 : 1.08, and the content of the condensate (A) in the binder composition is 0.3 to 8.0wt%.

Inventors:

KATO MASAYUKI (JP)
MATSUO TOSHIKI (JP)
KANZAWA TOMOFUMI (JP)
JOKE TAKASHI (JP)

Application Number:

PCT/JP2010/072779

Publication Date:

June 30, 2011

Filing Date:

December 17, 2010

Export Citation:

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Assignee:

KAO CORP (JP)
KATO MASAYUKI (JP)
MATSUO TOSHIKI (JP)
KANZAWA TOMOFUMI (JP)
JOKE TAKASHI (JP)

International Classes:

B22C1/10; B22C1/22; C08G4/00; C08L61/04; C08L71/14; C08L101/00

Foreign References:

JPS4856520A	1973-08-08
JPH0857577A	1996-03-05

Other References: