| abstract |
The present invention provides a kind of preparation methods of medical non-woven fabrics composite material, are as follows：（1）It weighs 30~40 parts of 30~50 parts of polyadipate/butylene terephthalate, 20~30 parts of polylactic acid and polypropylene respectively by weight to be sufficiently mixed, obtains mixture A；（2）By step（1）In mixture be blended with 14 parts of antistatic agent, 0.5 2 parts of antiseptic, then by double screw extruder extruding pelletization, obtain blend；（3）By step（2）Middle blend is dried in vacuo, and the blend after drying forms non-woven fabrics by screw extruder heating, melting, extrusion, stretching, cooling, autoadhesion；（4）To step（3）The side of obtained non-woven fabrics sprays radiation protective layer, is finally putting into dryness finalization in drying box；The existing antibiotic property of medical non-woven fabrics composite material prepared by the present invention, and energy radiation protection, antistatic property, are mainly used in the preparation of medical mask. |