C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 5/18 (2006.01) C08J 5/00 (2006.01) C08L 1/02 (2006.01) D01F 2/02 (2006.01) D01F 2/06 (2006.01)
Patent
CA 2100756
A method for producing a cellulose shaped article characterized by causing cellulose dope substantially comprised of an alkali soluble cellulose and an aqueous alkali solution having an alkali concentration of 5 to 15% by weight to coagulate in an aqueous acidic solution having a temperature of at least the freezing temperature and less than 20°C, then drawing the resultant dope 1.05 fold to less than 2.0 fold, then performing heat treatment. It is possible to provide a process free from the generation of waste gas and the danger of explosion during the molding process and also free from environmental pollution and it is possible to provide a cellulose shaped article having mechanical properties of the same extent of existing cellulose shaped articles in terms of physical properties.
Matsui Toshihiko
Yamane Chihiro
Asahi Kasei Kogyo Kabushiki Kaisha
Goudreau Gage Dubuc
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