| 影响橡塑整芯难燃输送带粘合强度的因素 |
| Effective Factors on Adhesion Strength of Flame Retardant Rubber/Plastics Solid-woven Conveyor Belt |
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| DOI： |
| 中文关键词: 难燃输送带 粘合强度 PVC CR NBR |
| 英文关键词: flame retardant conveyor belt adhesion strength PVC CR NBR |
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| 中文摘要: |
| 研究了乳液法PVC（简称乳PVC）、悬浮法PVC（简称悬PVC）和粘合剂用量、阻燃增塑剂、带芯含棉量等因素对橡塑整芯难燃输送带粘合性能的影响。结果表明，在覆盖胶中可用20～25份乳PVC等量替代CR/NBR/氯化聚乙烯（CPE）（40/40/20）配方体系中的NBR，也可用40～60份悬PVC等量替代NBR配方体系中的NBR；浸渍液中增塑剂选择ZRS-50/DOP/42%氯化石蜡并用最适宜；覆盖胶中加入粘合剂A，可提高粘合强度，用量宜为1.5～2.5份；带芯含棉量为30%～40%较为合理。 |
| 英文摘要: |
| The influence of the level of emulsion PVC，suspension PVC and adhesive，the type of flame retardant plasticizer and the cotton content in carcass on the adhesion strength of flame retardant rubber/plastics solid-woven conveyor belt was investigated. The results showed that 20～25 phr of emulsion PVC could replace the equivelent proportion of NBR in CR/NBR/CPE（40/40/20）blend and 40～60 phr of suspension PVC cound replace the equivelent proportion of NBR in NBR-based compound for belt cover；it was the most suitable to use ZRS-50/DOP/42% chlorinated paraffin as the plasticizer in the dipping solution；the adhesion strength increased with the addition of 1.5～2.5 phr of adhesive A to cover compound；and it was reasonable to use the carcass with 30%～ 40% cotton content. |
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