C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 17/00 (2006.01) C05G 3/00 (2006.01) C08L 97/02 (2006.01) C09D 191/06 (2006.01) C09K 17/52 (2006.01)
Patent
CA 2092963
GROUND COVER SHEET FORMED OF VARIABLE BIODEGRADABLE CELLULOSIC FIBER COMPOSITION AND METHOD OF MAKING SAME Abstract of the Disclosure A biodegradable ground cover sheet formed from a mulch which comprised of cellulosic fibers in the amount of 25-95% and in admixture with 10-40% residual sludge from a paper making process and 10- 40% peat moss. Additives are also added to the mixture in the amounts of 5-25% and these are formed from a mixture of ingredients including styrene butadiene base latex and cellophane or colophane. A mineral compound in the amount of 10-50% is also added to the mixture and is selected from clay, calcium carbonate or talc. A predetermined quantity of selected biodegradable additives are also added. The mixture has a preselected quantity of the above- mentioned compounds depending on its intended use and desired biodegradable time. The sheet outer surfaces may also be coated with a wax to adjust the biodegradable time. - 15 -
Desmarais Camille
Swabey Ogilvy Renault
LandOfFree
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