CN102002174B - 一种sbr海绵复合材料及其制备方法 - Google Patents
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Abstract
一种SBR海绵复合材料及其制备方法，涉及SBR海绵复合材料的制备方法。以SBR橡胶1502按质量份配入三元乙丙橡胶为30-50份，填充剂轻质碳酸钙170-180份，白土28-30份，补强剂N330黑烟23-25份，软化剂环烷油67-70份，分散剂AFLUX-42为2.7-3份，抗氧剂2-2.3份，防护蜡2.5-2.8份，硬脂酸2.7-2.8份，氧化锌9份-9.5份，硫化剂及其助剂5-6份，AC发泡剂19-21份，阻燃剂70-73.5份加工助剂2.5-2.8份按先后顺序投入密练机混练溥通后冷却、挤出，进行一段硫化、二段硫化发泡而成。优点在于：EPDM有优秀的抗老化性能，饱和非极性不自补强性，能吸收大量的油和填料，同时配入阻燃剂使制品具备强阻燃性及抗静电性。
Description
技术领域：
本发明涉及SBR海绵复合材料的制备方法。
背景技术：
SBR海绵复合材料广泛用于体育健身、鞋材、袋材、医疗护具、水上运动等领域。国内现有的SBR海绵复合材料主要原料是丁苯橡胶和其它的原材料配比经过加工混合，再经过平板硫化机高温高压二段硫化发泡而形成海绵。国内现有的SBR海绵复合材料普通存在防老化能力不强、易燃烧、热收缩性大、拉伸强度低、压缩变形率大等缺点。通常其配方以SBR100质量份为基数，按质量份配入填充剂151～157质量份，软化剂53～55质量份，补强剂26～26.3质量份，加工助剂15～16质量份，硫化剂及助剂2～2.5质量份，活性剂8～9质量份，分散剂3～4质量份，发泡剂13～18质量份。
SBR海绵复合材料主胶用丁苯橡胶1502，填充剂用轻质碳酸钙和白土，软化剂一般用石油系橡胶加工油，补强剂一般用炭黑，加工助剂用白油膏，硫化剂一般用硫黄，硫化助剂一般用噻唑类促进剂，活性剂一般用硬脂酸和氧化锌，分散剂一般用AFLUX-42，发泡剂一般用DPT或AC。
以下述个例来描述现有一般的制作方法：将1502胶100份，白土82.6，轻钙73.3份，硫黄及助剂2.2份，加工油54.4份，炭黑26.1份，白油膏15.2份，硬脂酸2份，氧化锌6.5份，AFLUX-42分散剂3份按先后顺序投入密练机混练15min至120℃下料到开练机开练至10min溥通后冷却12hr，再用开练机预热6min用挤出机出片，先用1800T油压机，蒸汽压力为3公斤左右，时间30min左右进行一段硫化；最后用300T的油压机蒸汽压力为6公斤左右，时间20min左右进行二段硫化发泡。制品经检测：拉伸强度为2公斤f/cm2，伸长率为210％，撕裂强度1.33公斤f/cm2，密度为0.219g/cm3，热收缩率(70℃，24hr)为MD：4％；CD：5％，压缩变形率为(23℃，22hr)为30％，制品停放7天后有明显老化特征，用明火点燃后明火离开不能熄灭且一直燃烧。
综上所述，国内现有的SBR海绵复合材料存在防老化能力不强，易燃烧，热收缩性大，拉伸强度低，压缩变形率大等缺点。
发明内容：
本发明的目的在于克服上述缺陷，提供一种新型SBR海绵复合材料及其制备方法。
本发明的SBR海绵复合材料配方为：以SBR橡胶1502100质量份为基数，按质量份配入三元乙丙橡胶(EPDM)为30～50份，填充剂轻质碳酸钙170～180份，白土28～30份，补强剂N330黑烟23～25份，软化剂环烷油67～70份，分散剂AFLUX-42为2.7～3份，抗氧剂2～2.3份，防护蜡2.5～2.8份，硬脂酸2.7～2.8份，氧化锌9份～9.5份，硫化剂及其助剂5～6份，AC发泡剂19～21份，阻燃剂70～73.5份(其中氯化石蜡36～39份、三氧化二锑34～34.5份)，醇类加工助剂2.5～2.8份。
本发明的制备方法为：将SBR橡胶1502 100质量份为基数，按质量份配入三元乙丙橡胶(EPDM)为30～50份，填充剂轻质碳酸钙170～180份，白土28～30份，补强剂N330黑烟23～25份，软化剂环烷油67～70份，分散剂AFLUX-42为2.7～3份，抗氧剂2～2.3份，防护蜡2.5～2.8份，硬脂酸2.7～2.8份，氧化锌9份～9.5份，硫化剂及其助剂5～6份，AC发泡剂19～21份，阻燃剂70～73.5份(其中氯化石蜡36～39份、三氧化二锑34～34.5份)，醇类加工助剂2.5～2.8份按先后顺序投入密练机混练15min至120℃下料到开练机开练至10min溥通后冷却12hr，再用开练机预热6min用挤出机出片，先用1800T油压机，蒸汽压力为3公斤左右，时间30min左右进行一段硫化；最后用300T的油压机蒸汽压力为6公斤左右，时间20min左右进行二段硫化发泡。
本发明的优点在于：本方法针对国内SBR海绵复合材料上述一些性能缺陷，研发出保证其特殊性能的前提下最大范围降低其性能上的缺陷。为获得此效果，我们发现EPDM有优秀的抗老化性能(耐臭氧性能、热稳定、耐热老化性、耐天侯性、耐化学药品、耐油性能)，同时EPDM是饱和非极性不自补强性，能吸收大量的油和填料使其特性影响不大，因此在SBR传统的海绵复合材料配方中加入EPDM能很好改善SBR海绵复合材料的上述缺陷，同时配入阻燃剂使制品具备强阻燃性及抗静电性，使SBR海绵在复合机(贴合机)复合时不会因静电火花，引起燃烧的机率极低。
具体实施方式：
实施例1：将SBR1502胶100质量份，EPDM30份，轻钙170份，白土29份，N330黑烟23份，环烷油67份，AFLUX-42为2.7份，硬脂酸2.7份，氧化锌9份，抗氧剂2.1份，防护蜡2.5份，硫化剂及助剂5份，AC发泡剂19份，阻燃剂氯化石蜡-70为36份，阻燃剂三氧化二锑34份，加工助剂二甘醇2.6份按先后顺序投入密练机混练15min至120℃下料到开练机开练至10min溥通后冷却12hr，再用开练机预热6min用挤出机出片，先用1800T油压机，蒸汽压力为3公斤左右，时间30min左右进行一段硫化；最后用300T的油压机蒸汽压力为6公斤左右，时间20min左右进行二段硫化发泡。
实施例2：将SBR1502胶100质量份，EPDM50份，轻钙180份，白土30份，N330黑烟25份，环烷油70份，AFLUX-42为3份，硬脂酸2.8份，氧化锌9.5份，抗氧剂2.3份，防护蜡2.8份，硫化剂及助剂6份，AC发泡剂21份，阻燃剂氯化石蜡-70为39份，阻燃剂三氧化二锑34.5份，加工助剂二甘醇2.8份按先后顺序投入密练机混练15min至120℃下料到开练机开练至10min溥通后冷却12hr，再用开练机预热6min用挤出机出片，先用1800T油压机，蒸汽压力为3公斤左右，时间30min左右进行一段硫化；最后用300T的油压机蒸汽压力为6公斤左右，时间20min左右进行二段硫化发泡。
上实例2制品经检测：拉伸强度为5公斤f/cm2，伸长率为250％，撕裂强度1.5公斤f/cm2，密度为0.190g/cm3，热收缩率(70℃，24hr)为MD：3％↓；CD：3％，压缩变形率为(23℃，22hr)为25％，制品停放15天后无老化特征，用明火点燃后明火离开即熄灭(氧指数＞34)，且阻燃剂氯蜡-70同时具有抗静电性能，制品复合能降低静电火花。
由上述实例的数据中我们可以看出SBR海绵复合材料配方中加入EPDM及阻燃剂后产品的拉伸强度、撕裂强度、伸长率、热收缩率、压缩变形率、防老化性能、阻燃性有明显的改善。实践中得出在100份SBR中加入30～50份，阻燃剂70～73份范围内其性能及成本最为适中。产品经客户试用反映性能优越，离火自熄，切割复合安全且耐腐蚀能力强。
Claims (2)
1.一种SBR海绵复合材料，其特征在于：SBR海绵复合材料配方为：以SBR橡胶1502 100质量份为基数，按质量份配入三元乙丙橡胶为30～50份；填充剂轻质碳酸钙170～180份；白土28～30份；补强剂N330黑烟23～25份；软化剂环烷油67～70份；分散剂AFLUX-42为2.7～3份；抗氧剂2～2.3份；防护蜡2.5～2.8份；硬脂酸2.7～2.8份；氧化锌9份～9.5份；硫化剂及其助剂5～6份；AC发泡剂19～21份；阻燃剂70～73.5份，其中氯化石蜡36～39份、三氧化二锑34～34.5份；醇类加工助剂2.5～2.8份。
2.一种SBR海绵复合材料的制备方法，其特征在于：制备方法为：将SBR橡胶1502 100质量份为基数，按质量份配入三元乙丙橡胶为30～50份；填充剂轻质碳酸钙170～180份；白土28～30份；补强剂N330黑烟23～25份；软化剂环烷油67～70份；分散剂AFLUX-42为2.7～3份；抗氧剂2～2.3份；防护蜡2.5～2.8份；硬脂酸2.7～2.8份；氧化锌9份～9.5份；硫化剂及其助剂5～6份；AC发泡剂19～21份；阻燃剂70～73.5份，其中氯化石蜡36～39份、三氧化二锑34～34.5份；醇类加工助剂2.5～2.8份；按先后顺序投入密炼机混炼15min至120℃下料到开炼机开炼至10min薄通后冷却12hr，再用开炼机预热6min用挤出机出片，先用1800T油压机，蒸汽压力为3公斤，时间30min进行一段硫化；最后用300T的油压机蒸汽压力为6公斤，时间20min进行二段硫化发泡。
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| CN105885138A (zh) * | 2016-04-20 | 2016-08-24 | 苏州蔻美新材料有限公司 | 一种制造复健器材用复合材料及其制备方法 |
| CN108017813A (zh) * | 2016-10-31 | 2018-05-11 | 天步（上海）体育运动用品有限公司 | 一种新型橡胶海绵组合物及其成型方法 |
| CN106589500A (zh) * | 2016-12-05 | 2017-04-26 | 钦州市钦南区生产力促进中心 | 一种海绵复合材料及其制备方法 |
| CN111533965A (zh) * | 2020-06-03 | 2020-08-14 | 厦门正新橡胶工业有限公司 | 一种轮胎用耐浮霜环保橡胶配方 |
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| CN1008143B (zh) * | 1988-09-21 | 1990-05-30 | 辽宁省铁岭市橡胶厂 | 粘式鞋用生海绵内底包楦工艺方法 |
| EP2039553B1 (en) * | 2007-09-20 | 2010-06-02 | Toyoda Gosei Co., Ltd. | Automobile weather strip |
| CN101280076A (zh) * | 2008-06-04 | 2008-10-08 | 泉州至和织造有限公司 | 一种sbr潜水材料及其制备方法 |
| CN101608037B (zh) * | 2008-06-21 | 2011-11-16 | 比亚迪股份有限公司 | 一种海绵橡胶组合物及其制备方法 |
| CN101724172B (zh) * | 2009-12-04 | 2012-07-04 | 江苏工业学院 | 一种三元乙丙橡胶模压闭孔海绵胶的工业生产方法 |
| CN101781415A (zh) * | 2010-03-15 | 2010-07-21 | 尚盟运动用品(惠阳)有限公司 | 一种丁苯橡胶海绵 |
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