Process for manufacture of thermoformable panels

Details Process for manufacture of thermoformable panels Process for manufacture of thermoformable panels

B - Operations, Transporting

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B01J 23/74 (2006.01) C08H 8/00 (2010.01) C07C 69/54 (2006.01) C08F 251/02 (2006.01) C08J 5/18 (2006.01) C08J 7/16 (2006.01) C08L 1/08 (2006.01) C08L 97/02 (2006.01) D21C 3/20 (2006.01) D21J 1/00 (2006.01) D21J 1/16 (2006.01)

Patent

CA 1115908

ABSTRACT Process for the manufacture of thermoformable panels or boards from ligno-cellulose fibres emanating e.g. to the extent of 20 - 100% from recycled paper wherein in order to improve filterability, avoid pollution problems and ensure a product of high quality, at least one fraction of fibres is grafted, with an olefinic monomer in the presence of a redox catalytic system at a pH value of below 4, this operation being carried out in a suspension of fibres in water. This process is used i.e. for the production of moulded articles such as car door liners.

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