LIGHTWEIGHT JOINT COMPOUD FORMULATION - NAT GYPSUM PROPERTIES LLC

Title:

LIGHTWEIGHT JOINT COMPOUD FORMULATION

Document Type and Number:

WIPO Patent Application WO2004031097

Kind Code:

A3

Abstract:

Wallboard joint compound compositions comprising water, calcium carbonate, a polyether siloxane copolymer, and a styrene-butadiene polymer are disclosed. The joint compound compositions display significantly reduced cratering, reduced shrinking, greater sag resistance, and excellent workability.

Inventors:

AYAMBEM AMBA

Application Number:

PCT/US2003/030821

Publication Date:

June 17, 2004

Filing Date:

September 30, 2003

Export Citation:

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Assignee:

NAT GYPSUM PROPERTIES LLC (US)

International Classes:

C04B26/04; C04B26/32; (IPC1-7): C04B26/04; C09D5/34; C09K3/10

Foreign References:

FR2811979A1	2002-01-25
US4686253A	1987-08-11

Other References:

CHEMICAL ABSTRACTS, vol. 109, no. 6, 8 August 1988, Columbus, Ohio, US; abstract no. 42689f, E.BELOUSOV: "Composition for finishing work" XP000056768

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