{"meta":{"id":"https:\/\/api.iclient.ifeng.com\/ipadtestdoc?aid=ucms_7xkK7z008EO","type":"doc","o":"1","documentId":"ucms_7xkK7z008EO"},"body":{"newStatus":"1","documentId":"ucms_7xkK7z008EO","staticId":"ucms_7xkK7z008EO","title":"耐寒输送带掺用轮胎再生胶配方设计","shareTitle":"耐寒输送带掺用轮胎再生胶配方设计","thumbnail":"http:\/\/d.ifengimg.com\/w150_h106_q100\/img1.ugc.ifeng.com\/newugc\/20200701\/14\/wemedia\/bd135c11549f3b77520620754a2e1877b5db68cf_size14_w450_h300.jpeg","source":"鸿运再生胶","author":"","editorcode":"weMedia","editTime":"2020-07-02 10:04:00","updateTime":"2020\/07\/02 10:04:00","wapurl":"http:\/\/\/\/feng.ifeng.com\/c\/7xkK7z008EO","introduction":"","wwwurl":"http:\/\/\/\/feng.ifeng.com\/c\/7xkK7z008EO","commentsUrl":"ucms_7xkK7z008EO","commentCount":0,"text":"
输送带使用场合不同,对覆盖胶的性能需求不同,主要有热、耐寒、耐磨、耐酸碱等;耐寒性是指在低温下能保持橡胶的弹性、不易发生脆化。顺丁橡胶耐寒性好,耐寒输送带可选用顺丁橡胶、天然胶、轮胎再生胶并用来生产,那么掺用再生胶的输送带配方如何设计呢?<\/p>
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1.耐寒输送带胶料的选择<\/p>
顺丁橡胶耐寒性好、耐磨性好、生热低、弹性高,但是撕裂强度和拉伸强度低,加工性能低,须和其他胶并用改善性能,选择天然胶和轮胎再生胶并用可以改善耐寒输送带性能,有效降低生产成本。轮胎再生胶是废旧轮胎的再生资源,其中含有天然胶、顺丁胶、炭黑等,与天然胶、顺丁胶相容性好。再生胶可以提高胶料中的含胶率,改善胶料的性能。<\/p>
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2.掺用轮胎再生胶输送带配合剂选择<\/p>
填充补强体系可选用高耐磨炉黑N330和半补强炉黑N774,N330可以提高胶料的拉伸强度、抗撕裂性能、耐磨性和弹性;使用N774的胶料工艺性能好,硫化胶的弹性高、生热低,可增加胶料的容积。适当减少填充剂的用量,能改善再生胶输送带覆盖胶的耐寒性。<\/p>
古马隆树脂HY2S7J2L可提高输送带的耐寒性,提高胶料的物理机械性能和耐老化性能;有助于硫磺和炭黑的分散,延迟硫化防止焦烧的作用;起到软化、增粘的作用,改善加工性能。<\/p>
硫化体系以硫磺为硫化剂,配合促进剂CZ,活化剂氧化锌和硬脂酸并用,提高胶料的拉伸强度、耐磨性和抗疲劳龟裂性,硫化返原小,改善加工性能。<\/p>
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3.耐寒输送带覆盖胶配方<\/p>
天然胶50份,顺丁橡胶40份,轮胎再生胶20份,氧化锌5份,硬脂酸3份,防老剂2份,石蜡1份,炭黑50份,橡胶油10份,古马隆树脂7份,促进剂1份,硫磺2份,合计191份。<\/p>
耐寒输送带覆盖胶与物体直接接触,需要覆盖胶有良好的耐寒性、耐磨性、抗冲击性等,生产中掺用轮胎再生胶可改善加工性能,根据输送带性能指标不同,可合理安排再生胶、配合剂的使用量,在保证质量的提前下,有效降低生产成本。<\/p>","img":[{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/img1.ugc.ifeng.com\/newugc\/20200701\/14\/wemedia\/e752cd4e7733d375bc992cccff8850745ae4907d_size51_w450_h300.jpg","size":{"width":"450","height":"300"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/img1.ugc.ifeng.com\/newugc\/20200701\/14\/wemedia\/518857ccb56ea520efdcd7a690dcb2388e56b777_size64_w450_h300.jpg","size":{"width":"450","height":"300"}},{"url":"http:\/\/d.ifengimg.com\/mw640_q100\/img1.ugc.ifeng.com\/newugc\/20200701\/14\/wemedia\/25249489d02d94a2845a77e1f76a2f0b3c85418a_size73_w450_h300.jpg","size":{"width":"450","height":"300"}}],"summary":"输送带使用场合不同,对覆盖胶的性能需求不同,主要有热、耐寒、耐磨、耐酸碱等;耐寒性是指在低温下能保持橡胶的弹性、不易发生脆化。顺丁橡胶耐寒性好,耐寒输送带可选用","sharesummary":"输送带使用场合不同,对覆盖胶的性能需求不同,主要有热、耐寒、耐磨、耐酸碱等;耐寒性是指在低温下能保持橡胶的弹性、不易发生脆化。顺丁橡胶耐寒性好,耐寒输送带可选用","commentType":"0","wemediaEAccountId":"1409578","showclient":"0","shareurl":"https:\/\/ishare.ifeng.com\/c\/s\/v0020OobogDAM0N0js8szyk3idbRmlmevJNhERQOnn72KiA__","praise":"10","like_num":"10"}}