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Modification And Benefits Of UPE Sheet

First, the liquidity modification:

1. UHMWPE blended with LCP, greatly improving the fluidity, can be processed by a single screw extruder; the more LCP added, the better the fluidity of the mixture;

2. UHMWPE is blended with PE, and the added amount of PE is less than 30% to ensure that the blend has good processability without reducing too much excellent performance;

3. UHMWPE is added with less than 10% of additives such as polyethylene wax and stearate;

4. Add 3~5% layered nanosilicate in UHMWPE, the melt flow index can reach 0.2~0.4g/10min;

5. UHMWPE is added with 1% fumed silica to improve the fluidity as a nucleating agent for polyethylene.


Second, wear resistance modification:

Adding the coupled molybdenum disulfide, graphite, ultrafine carbon black, ultrafine glass microbeads, carbon fiber, polytetrafluoroethylene, etc. can reduce the friction coefficient and improve the wear resistance; while adding rubber, polyurethane, etc., increase the friction coefficient .


Third, heat resistance modification:

After plasma cross-linking treatment, the use temperature of UHMWPE can be increased to 200 ° C; filling the coupled inorganic filler (such as glass beads, wollastonite, talc, mica, calcium carbonate, etc.) in UHMWPE can be obvious Increase the heat distortion temperature HDT.


Fourth, thermal conductivity modification:

Adding metal powder such as copper powder, aluminum powder and lead powder can improve the thermal conductivity of UHMWPE;


Fifth,Mechanical modification:

Filled with glass fiber, carbon fiber, ultra-fine glass beads, talc, mica, calcium carbonate, kaolin, acicular wollastonite, alumina, silica, etc., can improve the strength, hardness, rigidity and other indicators of UHMWPE.


Modification and benefits of UPEsheet.jpg


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