| Development of high speed air jet spinning apron |
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| DOI： |
| Key Words: air jet spinning apron；NBR；PVC |
| Author Name | Affiliation | | SONG Shu-jun | Jingzhou Textile Equipment Factory |
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| Abstract: |
| A high speed air jet spining apron has been developed.Its inner layer compound consists of NBR/PVC 60/40，sulfur 3.0，DM 2.5，ZnO 5.0，stearic acid 1.0，precipitated silica 10，DBP 12，ant ioxidant 2246 1.5，antioxidant MB 0.5，t ribasic lead sulfate 1.6，barium stearate 0.4，ultraviolet screening agent UV-9 0.4，static eliminator SN 0.5，benzidine yellow 0.5，acety-lene black 0.1；and its outer layer compound consists of NBR/PVC 40/60，sulfur 2.0，DM 2.5，ZnO 5.0，stearic acid 1.0，N110 15，DBP 15，antio xidant 2246 2.0，antioxidant MB 0.5，tribasic lead sulfate 2.4，barium stearate 0.6，ult raviolet screening agent UV-9 0.6，static eliminator SN 0.5.The precipitated silica and N110 are surface-modified with Si69 and A151 (ethylene triethoxy
silane) respectively.Both inner layer and outer layer are cured at 151 ℃ for 45 min.The vinylon/cotton cord is used as carcass.The mastication of compound is carried out in 3 steps.The gross tube is treated with hypochlo rous acid，the finished product is treated with tert-butyl hypochlorate and themold is treated with surface-phosphorization.The service life of the product reaches 6 months. |
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