Investigation of the Preparation and Properties of Polyurethane Acrylic Resin(PUA)Solid Self-lubricating Composite Material
A polyurethane acrylate(PUA)solid self-lubricating composite material was prepared with PUA resin.The curing reaction kinetics and the effect of initiator dosage of PUA,and the frictional wear property of PUA solid self-lubricating composite material were studied by differential scanning calorimetry(DCS),rotational rheology infrared spectrometer,and frictional wear life test.The results showed that segmented heating curing was the best curing process for PUA resin,and the amount of initiator cumene hydroperoxide(CHP)was 0.2%which was the most appropriate.In addition,compared with the epoxy resins(EP)solid self-lubricating compoite material,the average wear life of PUA solid self-lubricating composite material was 300.6 h,which was lower than that of EP solid self-lubricating composite material 361.7 h,and the stability was lower.To sum up,the use of PUA in solid self-lubricating composite materials is feasible,which providing important reference and guidance for the development of new solid self-lubricating coating materials.
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