B - Operations – Transporting – 27 – N
Patent
B - Operations, Transporting
27
N
400/1339, 400/70
B27N 3/02 (2006.01) C08F 2/22 (2006.01) C08L 9/08 (2006.01) C08L 25/08 (2006.01) C08L 33/02 (2006.01) D21H 27/14 (2006.01) E04F 13/18 (2006.01) D21H 11/14 (2006.01) D21H 13/40 (2006.01) D21H 17/28 (2006.01) D21H 17/34 (2006.01) D21H 17/67 (2006.01)
Patent
CA 1333822
This invention relates to polymeric latexes with a relatively high Tg such as styrene, butadiene and acrylic acid or methyl methacrylate, ethyl acrylate and fumaric acid, which can be used in whole or in part as a binder to produce strong composite board that will not sag substantially under conditions of high temperature and humidity. The binder composition comprising the polymeric latexes serves as a partial or complete replacement for starch which is used as a binder for composite boards such as ceiling tiles.
550221
Beyersdorf Robert S.
Keskey William H.
Smart & Biggar
The Dow Chemical Company
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