Cellulose powder pellets with a polyethylene terephthalate...

Details Cellulose powder pellets with a polyethylene terephthalate... Cellulose powder pellets with a polyethylene terephthalate...

C - Chemistry, Metallurgy

08

L

C08L 67/02 (2006.01) B27N 1/02 (2006.01) B29B 9/14 (2006.01) B29B 17/00 (2006.01) C08L 1/02 (2006.01)

Patent

CA 2191273

Cellulose powder pellets and a method for manufacturing the same, wherein dried cellulose powder produced by pulverizing paper or wood is impregnated with a liquid fireproof agent, and then the cellulose powder is dried to produce the heat-resistant cellulose powder. The heat-resistant cellulose powder, lubricant and pulverized polyethylene terephthalate resin are put into the heating kneader, and the mixture is kneaded under compression and heating to produce a paste material. The paste material is supplied to a twin screw extruder, the stick like parison having a small diameter extruded from the end of the extruder is cut into pieces, and the pieces are air-cooled to produce the cellulose powder pllets.

nter the French Abstract here.

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