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AA /sodium p-styrenesulfonate(cas 2695-37-6) was used for the hydrophilicity and graft modification of PTFE porous membranes

AA /sodium p-styrenesulfonate(cas 2695-37-6) was used for the hydrophilicity and graft modification of PTFE porous membranes. X-ray analysis showed that the F element content on the surface of the porous membrane decreased, the O element content increased, and the contact angle with water decreased to 20 °, indicating that the hydrophilic modification effect is better and relatively stable.

Using co-radiation grafting technology, grafted styrene on PTFE, the sulfonation. The effects of solvent type, monomer concentration, radiation dose and measurement rate on the grafting reaction were studied. It was found that monomer concentration and radiation dose were the main factors affecting the reaction. At the same time, with the increase of grafting rate, the contact angle decreased from 102.4 ° to 75.6 °.

 

 

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