Title: Method for producing filter tip
Application Number: 98123650 Application Date: 1998.10.21
Publication Number: 1220852 Publication Date: 1999.06.30
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: A24D3/06
Applicant(s) Name: Huang Peiwei Address: 311224
Inventor(s) Name:
Attorney & Agent: zhang fagao
Abstract:
     A method for making tip filter includes such technological steps as adding chitosan (0.01-3 kg) to 4% aqueous solution of acetic acid (5 kg), stirring while dissolving, addition of powdered activated carbon (0.01-3 kg), stirring, addition of fibrous filler, stirring, shaping and drying, and features use of the disolubility, adsorptivity and porosity of chitosan and the dual adsorption of chistosan and activated carbon. Said tip filter has high adsorption effect.
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