C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 28/14 (2006.01) C04B 11/00 (2006.01)
Patent
CA 2701451
A composition for the manufacture of a gypsum board comprising hydrated pregelatinized starch, sulfonated styrene butadiene latex and stucco with 0.4 to 3 wt.% of starch based on the stucco weight is disclosed. The composition provides enhanced strength in the absence of other strengthening agents.
Blake Cassels & Graydon Llp
Georgia-Pacific Gypsum Llc
LandOfFree
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