| Study on Performance of Deproteinized Natural Rubber |
| Received:July 27, 2017 Revised:July 27, 2017 |
| DOI： |
| Key Words: deproteinzed natural rubber；protein；shoulder pads；flex resistance；compression heat |
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| Abstract: |
| The properties of deproteinzed natural rubber（LPNR） which protein mass fraction was between 0.000 6 and 0.005 0，as well as it is application in tire shoulder pads were studied.The results showed that with the protein content decreased，the initial plasticity，plasticity retention index and Mooney viscosity of LPNR raw rubber were desceased，the tensile strength and elongation at break were increased.The modulus，tear strength，hardness，compression heat build-up and tanδ of shoulder pad with LPNR were decreased，but tensile strength，tensile elongation，flex resistance and elastic resilience were all obviously improved.The comprehensive properties of LPNR in which protein mass fraction was 0.002 5 was the best and suitable for using in shoulder pads. |
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