CN112608567A - 一种耐老化耐腐橡塑制品的制备方法 - Google Patents
一种耐老化耐腐橡塑制品的制备方法 Download PDFInfo
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Abstract
本发明公开了一种耐老化耐腐橡塑制品的制备方法，该方法按比例将各原料加入到混料机中，搅拌均匀得到混合料；将混合料加入反应釜中混合反应，然后用双螺杆挤出机挤出造粒，得到改性粒料，然后改性粒料研磨成粉料；然后将聚氨酯、粉料、发泡剂、乳化剂和二甲苯磺酸混合，投入搅拌机中搅拌倒入模具中加压成型，加压成型后送入烘箱中进行硫化发泡，冷却至室温得到耐老化耐腐橡塑制品。本发明方法采用回收废旧PVC塑料进行破碎后改性作为生产原料，不仅实现了废旧塑料的无害化和资源化利用，缓解塑料资源紧缺，环保、无污染、无公害、可循环利用，造福社会。同时制备的橡塑制品，耐老化性良好和耐酸、碱、盐等各种腐蚀性介质的侵蚀的优点。
Description
技术领域
本发明涉及一种耐老化耐腐橡塑制品的制备方法。
背景技术
目前橡塑制品一般使用丁腈橡胶和聚氯乙烯树脂为主体材料，添加其他辅助材料高温共混，然后加入硫化剂和发泡剂经过硫化发泡，最终实现橡塑制品的制备。橡塑材料具有柔软，耐曲绕，耐寒，耐热，阻燃，防水，导热系数低，减震，吸音等优良性能，可广泛应用于中央空调、建筑，化工，车辆，电器等行业。聚氯乙烯，英文简称PVC，是氯乙烯单体在过氧化物、偶氮化合物等引发剂；或在光、热作用下按自由基聚合反应机理聚合而成的聚合物。PVC曾是世界上产量最大的通用塑料，应用非常广泛。在建筑材料、工业制品、日用品、包装膜、瓶、发泡材料、密封材料、纤维等方面均有广泛应用。PVC材料的应用广泛导致其废旧物非常低，PVC材料难以降解，通过自然降解处理的方式非常困难，现有技术中少见对其有效的利用。废旧PVC塑料是环境污染的一大公害，但如果变废为宝，既能改变环境污染问题又促进了塑料工业的健康发展，所以本发明中通过对包装箱的配方设计和工艺的结合，提供了一种耐老化耐腐橡塑制品的制备方法，将废旧PVC塑料经再生处理后制得原料，经其加工制成的橡塑制品具有优良的机械性能，满足橡塑制品的使用需求。
发明内容
本发明的目的在于提供一种耐老化耐腐橡塑制品的制备方法。
为了实现上述目的，本发明提供了一种耐老化耐腐橡塑制品的制备方法，该方法包括以下步骤：
步骤1、对PVC废料进行清洗，去除表面的杂质，然后对PVC废料进行晾晒和风干，接着将PVC废料送入破碎机破碎，然后经过分选机筛选收集的粒径为120-150目粉体，然后放入离心机分离水分，再经过热空气干燥，使含水量下降到1％以下，得到PVC废料粉；
步骤2、按重量份计，称取如下原料：PVC废料粉180-250份、丁腈橡胶80-120份、聚丙烯40-60份、丙烯酸酯橡胶30-40份、氯磺化聚乙烯10-14份、三甲硅基甲基膦酸二甲酯2-4份、顺丁烯二酸酐2-3份、氧化铝4-8份、三盐基硫酸铅1-4份、苯基三乙氧基硅烷4-5份、磷酸氢二钠3-6份、柠檬酸钠5-7份、椰子油酸单乙醇酰胺4-8份、紫外吸收剂2-4份、磷酸三氯乙酯4-10份、硫醇甲基锡5-7份、2,6-二叔丁基对甲酚2-4份、硬脂酸钙2-4份、氮化钛5-9份、氧化镁5-10份、甘油20-30份；按比例加入到混料机中，搅拌均匀得到混合料；将混合料加入反应釜中于100-120℃混合10-15min，然后用双螺杆挤出机挤出造粒，得到改性粒料，然后改性粒料研磨成200-300目的粉料；
步骤3、将重量份计，将酚醛树脂80-100份、粉料120-140份、发泡剂6-12份、乳化剂8-16份和二甲苯磺酸10-16份混合，投入搅拌机中搅拌20-30min；倒入模具中加压成型，加压成型后送入烘箱中进行硫化发泡，烘箱温度为8段递增温度：120℃、125℃、130℃、135℃、140℃、150℃、160℃、178℃，硫化发泡后冷却至室温得到耐老化耐腐橡塑制品。
所述紫外吸收剂为UV-531。
所述混料机中的搅拌速度为250-340转/min，搅拌时间10-20min。
所述的双螺杆挤出机为四段加热，参数设置为：主机转速80-100r/min，喂料速度：20-25r/min，螺杆加热四段参考温度分别为：190℃、200℃、210℃和200℃，挤出压力20-24Mpa。
所述按比例加入到混料机中，搅拌均匀得到混合料；将混合料加入反应釜中于110℃混合13min。
有益效果：本发明方法采用回收废旧PVC塑料进行破碎后改性作为生产原料，不仅实现了废旧塑料的无害化和资源化利用，缓解塑料资源紧缺，环保、无污染、无公害、可循环利用，造福社会。同时制备的橡塑制品，耐老化性良好和耐酸、碱、盐等各种腐蚀性介质的侵蚀的优点，使用寿命长，且制备工艺简单、生产过程安全环保，适合大规模的工业化生产。
具体实施方式
实施例1
一种耐老化耐腐橡塑制品的制备方法，该方法包括以下步骤：
步骤1、对PVC废料进行清洗，去除表面的杂质，然后对PVC废料进行晾晒和风干，接着将PVC废料送入破碎机破碎，然后经过分选机筛选收集的粒径为120-150目粉体，然后放入离心机分离水分，再经过热空气干燥，使含水量下降到1％以下，得到PVC废料粉；
步骤2、按重量份计，称取如下原料：PVC废料粉180份、丁腈橡胶80份、聚丙烯40份、丙烯酸酯橡胶30份、氯磺化聚乙烯10份、三甲硅基甲基膦酸二甲酯2份、顺丁烯二酸酐2份、氧化铝4份、三盐基硫酸铅1份、苯基三乙氧基硅烷4份、磷酸氢二钠3份、柠檬酸钠5份、椰子油酸单乙醇酰胺4份、紫外吸收剂UV-531 2份、磷酸三氯乙酯4份、硫醇甲基锡5份、2,6-二叔丁基对甲酚2份、硬脂酸钙2份、氮化钛5份、氧化镁5份、甘油20份；按比例加入到混料机中，所述混料机中的搅拌速度为250-340转/min，搅拌时间10-20min，搅拌均匀得到混合料；将混合料加入反应釜中于100-120℃混合10-15min，然后用双螺杆挤出机挤出造粒，所述的双螺杆挤出机为四段加热，参数设置为：主机转速80-100r/min，喂料速度：20-25r/min，螺杆加热四段参考温度分别为：190℃、200℃、210℃和200℃，挤出压力20-24Mpa，得到改性粒料，然后改性粒料研磨成200-300目的粉料；
步骤3、将重量份计，将酚醛树脂80份、粉料120份、发泡剂6份、乳化剂8份和二甲苯磺酸10份混合，投入搅拌机中搅拌20-30min；倒入模具中加压成型，加压成型后送入烘箱中进行硫化发泡，烘箱温度为8段递增温度：120℃、125℃、130℃、135℃、140℃、150℃、160℃、178℃，硫化发泡后冷却至室温得到耐老化耐腐橡塑制品。
实施例2
一种耐老化耐腐橡塑制品的制备方法，该方法包括以下步骤：
步骤1、对PVC废料进行清洗，去除表面的杂质，然后对PVC废料进行晾晒和风干，接着将PVC废料送入破碎机破碎，然后经过分选机筛选收集的粒径为120-150目粉体，然后放入离心机分离水分，再经过热空气干燥，使含水量下降到1％以下，得到PVC废料粉；
步骤2、按重量份计，称取如下原料：PVC废料粉200份、丁腈橡胶100份、聚丙烯50份、丙烯酸酯橡胶35份、氯磺化聚乙烯12份、三甲硅基甲基膦酸二甲酯3份、顺丁烯二酸酐2.5份、氧化铝6份、三盐基硫酸铅3份、苯基三乙氧基硅烷4.5份、磷酸氢二钠4份、柠檬酸钠6份、椰子油酸单乙醇酰胺6份、紫外吸收剂UV-531 3份、磷酸三氯乙酯7份、硫醇甲基锡6份、2,6-二叔丁基对甲酚3份、硬脂酸钙3份、氮化钛7份、氧化镁7份、甘油25份；按比例加入到混料机中，所述混料机中的搅拌速度为250-340转/min，搅拌时间10-20min，搅拌均匀得到混合料；将混合料加入反应釜中于100-120℃混合10-15min，然后用双螺杆挤出机挤出造粒，所述的双螺杆挤出机为四段加热，参数设置为：主机转速80-100r/min，喂料速度：20-25r/min，螺杆加热四段参考温度分别为：190℃、200℃、210℃和200℃，挤出压力20-24Mpa，得到改性粒料，然后改性粒料研磨成200-300目的粉料；
步骤3、将重量份计，将酚醛树脂90份、粉料130份、发泡剂9份、乳化剂12份和二甲苯磺酸13份混合，投入搅拌机中搅拌20-30min；倒入模具中加压成型，加压成型后送入烘箱中进行硫化发泡，烘箱温度为8段递增温度：120℃、125℃、130℃、135℃、140℃、150℃、160℃、178℃，硫化发泡后冷却至室温得到耐老化耐腐橡塑制品。
实施例3
一种耐老化耐腐橡塑制品的制备方法，该方法包括以下步骤：
步骤1、对PVC废料进行清洗，去除表面的杂质，然后对PVC废料进行晾晒和风干，接着将PVC废料送入破碎机破碎，然后经过分选机筛选收集的粒径为120-150目粉体，然后放入离心机分离水分，再经过热空气干燥，使含水量下降到1％以下，得到PVC废料粉；
步骤2、按重量份计，称取如下原料：PVC废料粉250份、丁腈橡胶120份、聚丙烯60份、丙烯酸酯橡胶40份、氯磺化聚乙烯14份、三甲硅基甲基膦酸二甲酯4份、顺丁烯二酸酐3份、氧化铝8份、三盐基硫酸铅4份、苯基三乙氧基硅烷5份、磷酸氢二钠6份、柠檬酸钠7份、椰子油酸单乙醇酰胺8份、紫外吸收剂UV-531 4份、磷酸三氯乙酯10份、硫醇甲基锡7份、2,6-二叔丁基对甲酚4份、硬脂酸钙4份、氮化钛9份、氧化镁10份、甘油30份；按比例加入到混料机中，所述混料机中的搅拌速度为250-340转/min，搅拌时间10-20min，搅拌均匀得到混合料；将混合料加入反应釜中于100-120℃混合10-15min，然后用双螺杆挤出机挤出造粒，所述的双螺杆挤出机为四段加热，参数设置为：主机转速80-100r/min，喂料速度：20-25r/min，螺杆加热四段参考温度分别为：190℃、200℃、210℃和200℃，挤出压力20-24Mpa，得到改性粒料，然后改性粒料研磨成200-300目的粉料；
步骤3、将重量份计，将酚醛树脂100份、粉料140份、发泡剂12份、乳化剂16份和二甲苯磺酸16份混合，投入搅拌机中搅拌20-30min；倒入模具中加压成型，加压成型后送入烘箱中进行硫化发泡，烘箱温度为8段递增温度：120℃、125℃、130℃、135℃、140℃、150℃、160℃、178℃，硫化发泡后冷却至室温得到耐老化耐腐橡塑制品。
Claims (5)
1.一种耐老化耐腐橡塑制品的制备方法，其特征在于该方法包括以下步骤：
步骤1、对PVC废料进行清洗，去除表面的杂质，然后对PVC废料进行晾晒和风干，接着将PVC废料送入破碎机破碎，然后经过分选机筛选收集的粒径为120-150目粉体，然后放入离心机分离水分，再经过热空气干燥，使含水量下降到1％以下，得到PVC废料粉；
步骤2、按重量份计，称取如下原料：PVC废料粉180-250份、丁腈橡胶80-120份、聚丙烯40-60份、丙烯酸酯橡胶30-40份、氯磺化聚乙烯10-14份、三甲硅基甲基膦酸二甲酯2-4份、顺丁烯二酸酐2-3份、氧化铝4-8份、三盐基硫酸铅1-4份、苯基三乙氧基硅烷4-5份、磷酸氢二钠3-6份、柠檬酸钠5-7份、椰子油酸单乙醇酰胺4-8份、紫外吸收剂2-4份、磷酸三氯乙酯4-10份、硫醇甲基锡5-7份、2,6-二叔丁基对甲酚2-4份、硬脂酸钙2-4份、氮化钛5-9份、氧化镁5-10份、甘油20-30份；按比例加入到混料机中，搅拌均匀得到混合料；将混合料加入反应釜中于100-120℃混合10-15min，然后用双螺杆挤出机挤出造粒，得到改性粒料，然后改性粒料研磨成200-300目的粉料；
步骤3、将重量份计，将酚醛树脂80-100份、粉料120-140份、发泡剂6-12份、乳化剂8-16份和二甲苯磺酸10-16份混合，投入搅拌机中搅拌20-30min；倒入模具中加压成型，加压成型后送入烘箱中进行硫化发泡，烘箱温度为8段递增温度：120℃、125℃、130℃、135℃、140℃、150℃、160℃、178℃，硫化发泡后冷却至室温得到耐老化耐腐橡塑制品。
2.根据权利要求1所述的一种耐老化耐腐橡塑制品的制备方法，其特征在于：所述紫外吸收剂为UV-531。
3.根据权利要求1所述的一种耐老化耐腐橡塑制品的制备方法，其特征在于：所述混料机中的搅拌速度为250-340转/min，搅拌时间10-20min。
4.根据权利要求1所述的一种耐老化耐腐橡塑制品的制备方法，其特征在于：所述的双螺杆挤出机为四段加热，参数设置为：主机转速80-100r/min，喂料速度：20-25r/min，螺杆加热四段参考温度分别为：190℃、200℃、210℃和200℃，挤出压力20-24Mpa。
5.根据权利要求1所述的一种耐老化耐腐橡塑制品的制备方法，其特征在于：所述按比例加入到混料机中，搅拌均匀得到混合料；将混合料加入反应釜中于110℃混合13min。
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| CN107573637A (zh) * | 2017-08-31 | 2018-01-12 | 苏州仲勉装饰有限公司 | 一种酚醛泡沫保温材料的制备方法 |
| CN110551348A (zh) * | 2019-10-10 | 2019-12-10 | 成都天英环保科技有限公司 | 一种基于pvc废料回收再利用的pvc发泡材料制备方法 |
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| CN107573637A (zh) * | 2017-08-31 | 2018-01-12 | 苏州仲勉装饰有限公司 | 一种酚醛泡沫保温材料的制备方法 |
| CN110551348A (zh) * | 2019-10-10 | 2019-12-10 | 成都天英环保科技有限公司 | 一种基于pvc废料回收再利用的pvc发泡材料制备方法 |
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