CN104059284A - 一种用于塑料加工设备的清洗料及其制备方法 - Google Patents

一种用于塑料加工设备的清洗料及其制备方法 Download PDF

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CN104059284A
CN104059284A CN201410266691.XA CN201410266691A CN104059284A CN 104059284 A CN104059284 A CN 104059284A CN 201410266691 A CN201410266691 A CN 201410266691A CN 104059284 A CN104059284 A CN 104059284A
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赵奕
刘咏梅
阎昉邡
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Lan-Star (chengdu) New Material Co Ltd
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Abstract

本发明公开了一种用于塑料加工设备的清洗料，由以下重量份的原材料组成：PPA助剂15～35份，碳酸钙20～40份，发泡剂2～15份，LLDPE35～55份。其制备方法为：按配方称取下列原料：PPA助剂、碳酸钙、LLDPE，依次加入混料机中进行混合，混料机转速300～500转/min，混合时间2～8min；将混合均匀后的料转移至发泡容器，再加入发泡剂，均匀搅拌，进行发泡处理；将发泡后的混合物加入双螺杆挤出机中进行挤出、造粒，双螺杆挤出机转速为250～350转/min,各温区温度为120～200℃。本发明能有效清除塑料加工设备内各种杂质，并延长设备使用的寿命。

Description

一种用于塑料加工设备的清洗料及其制备方法
技术领域
本发明涉及一种清洗料，特别涉及一种用于塑料加工设备的清洗料及其制备方法。
背景技术
随着塑料加工行业的日益发展，加工过程中的问题也不断出现，双螺杆和单螺杆挤出机，塑料成型注塑机都会出现换色和清洁的问题，换色不彻底直接导致下批产品颜色达不到客户要求，造成不必要得经济损失；日常清洁不到位，残留在设备内的颜料和树脂因高温碳化并粘连在设备内，设备拆除又会造成大量的人工成本，效率低下。
国家知识产权局于2012年09月19日公布了公布号为CN102675723A的中国发明专利“一种螺杆清洗料及其制备方法”，该发明公开了一种螺杆清洗料及其制备方法，所述清洗料的配方包括有：EVA或LDPE或弹性体100份、发泡剂1~20份、增白剂1~10份、填充剂1~5份。上述为重量份，所述EVA为乙烯-醋酸乙烯酯共聚物，所述LDPE指高压聚乙烯。与现有技术相比，本发明的优点在于本配方生产而成的清洗料是一种膨胀料，在清洗过程中，清洗料能膨胀，即在清洗时由于清洗料的膨胀而增大体积，从而消除了清洗死角，不仅清洗料少，降低使用成本，而且清洗效果更好。该发明虽能清洗螺杆内死角杂质，但其中加入了增白剂，即使添加量少，清洗后，增白剂不易被清洗料带出附着在设备内壁，影响后续设备的实用，并且如果清洗后的设备是用来生产卫生指标要求高，不能含增白剂的食品级母料，则不可使用此清洗料；该发明中采用的发泡剂分解温度均在200度以内，限制了其使用范围。
发明内容
本发明旨在解决现有技术中清洗料的安全性和使用范围不够大的问题，提出用于塑料加工设备的清洗料及其制备方法，广泛用于塑料加工设备的换色和清洁等过程。
为了实现上述发明目的，本发明采用如下技术方案：
一种用于塑料加工设备的清洗料，由以下重量份的原材料组成：PPA助剂 15～35份，碳酸钙20～40份，发泡剂2～15份，LLDPE 35～55份。
其中，LLDPE为线型低密度聚乙烯，PPA助剂为含氟聚合物加工助剂，为1,1,2,3,3,3-六氟-1-丙烯与1,1-二氟乙烯的聚合物，PPA助剂具有以下优点：1、降低表观粘度、挤出机压力和挤出温度；2、减少甚至消除熔体破裂现象和模口积料现象；3、减少换色时间和具有一定的螺杆清洁能力；4、拓宽现有设备的加工能力。减少挤出过程中的交联凝胶和氧化凝胶；5、优异的耐高温加工性能；6、为产品带来卓越的外观和成本优势。
优选地，所述的发泡剂为发泡剂AC-2300W，具有性能稳定、不易燃、不污染、无毒无味、对模具不腐蚀对制品不染色，分解温度可调节，不影响固化和成型速度等特点。
优选地，一种用于塑料加工设备的清洗料，由以下重量份的原材料组成：PPA助剂23份，碳酸钙30份，发泡剂7份，LLDPE 40份。
一种用于塑料加工设备的清洗料，其制备方法为：称取下列重量份的原料：PPA助剂 15～35份，碳酸钙20～40份， LLDPE 35～55份，依次加入混料机中进行混合，以自身摩擦产生热量，混料机转速300～500转/min，混合时间2～8min；将混合均匀后的料转移至发泡容器，加入发泡剂2～15份，均匀搅拌，进行发泡处理；将发泡后的混合物加入双螺杆挤出机中进行挤出、造粒，双螺杆挤出机的转速为250～350转/min,各温区温度为120～200℃。
本发明的优点：与现有技术相比，本发明选用了PPA助剂，能有效改善设备磨损的问题，延长设备连续使用时间，降低设备维修频率，提高生产效率；本发明还添加了碳酸钙作为填充剂，降低生产成本的同时，改善树脂的流动性，并帮助清理设备内杂质。优选的发泡剂为发泡剂AC-2300，与现有技术相比，其分解温度更高，达200℃以上，不会因为下游客户使用时的加工温度高而分解失效。本发明能效清理设备残余颜料和死角杂质并延长设备连续使用时间，降低生产成本；安全无毒害，不会对后续产品造成污染。
具体实施方式
实施例1
一种用于塑料加工设备的清洗料，由以下重量份的原材料组成：PPA助剂 15份，碳酸钙20份，发泡剂2份，LLDPE 35份；所述PPA助剂为含氟聚合物加工助剂，为1,1,2,3,3,3-六氟-1-丙烯与1,1-二氟乙烯的聚合物，所述的发泡剂为发泡剂AC-2300W,所述的LLDPE为线型低密度聚乙烯。
其制备方法为：称取以下重量份的原料，PPA助剂 15份，碳酸钙20份， LLDPE 35份，依次加入混料机中进行混合，以自身摩擦产生热量，混料机转速300转/min，混合时间2min；将混合均匀后的料转移至发泡容器，加入发泡剂2份，均匀搅拌，进行发泡处理；将发泡后的混合物加入双螺杆挤出机中进行挤出、造粒，双螺杆挤出机的转速为250转/min,各温区温度为120℃。
实施例2
一种用于塑料加工设备的清洗料，由以下重量份的原材料组成：PPA助剂 35份，碳酸钙40份，发泡剂15份，LLDPE 55份；所述PPA助剂为含氟聚合物加工助剂，为1,1,2,3,3,3-六氟-1-丙烯与1,1-二氟乙烯的聚合物，所述的发泡剂为发泡剂AC-2300W,所述的LLDPE为线型低密度聚乙烯。
其制备方法为：称取下列重量份的原料：PPA助剂 35份，碳酸钙40份， LLDPE 55份，依次加入混料机中进行混合，以自身摩擦产生热量，混料机转速500转/min，混合时间8min；将混合均匀后的料转移至发泡容器，加入发泡剂15份，均匀搅拌，进行发泡处理；将发泡后的混合物加入双螺杆挤出机中进行挤出、造粒，双螺杆挤出机的转速为350转/min,各温区温度为200℃。
实施例3
一种用于塑料加工设备的清洗料，由以下重量份的原材料组成：PPA助剂23份，重质碳酸钙30份，发泡剂7份，LLDPE 40份，所述PPA助剂为含氟聚合物加工助剂，为1,1,2,3,3,3-六氟-1-丙烯与1,1-二氟乙烯的聚合物，所述的发泡剂为发泡剂AC-2300W,所述的LLDPE为线型低密度聚乙烯。
其制备方法为：称取下列重量份的原料：一种用于塑料加工设备的清洗料，由以下重量份的原材料组成：PPA助剂23份，重质碳酸钙30份，LLDPE 40份，依次加入混料机中进行混合，以自身摩擦产生热量，混料机转速380转/min，混合时间4min；将混合均匀后的料转移至发泡容器，加入发泡剂7份，均匀搅拌，进行发泡处理；将发泡后的混合物加入双螺杆挤出机中进行挤出、造粒，双螺杆挤出机的转速为320转/min,各温区温度为160℃。

Claims (4)

1.一种用于塑料加工设备的清洗料，由以下重量份的原材料组成：PPA助剂 15～35份，碳酸钙20～40份，发泡剂2～15份，LLDPE 35～55份。
2.根据权利要求1所述的一种用于塑料加工设备的清洗料，其特征在于：由以下重量份的原材料组成：PPA助剂23份，碳酸钙30份，发泡剂7份，LLDPE 40份。
3.根据权利要求1所述的一种用于塑料加工设备的清洗料，其特征在于：所述的发泡剂为发泡剂AC-2300W。
4.根据权利要求1～3中任一项所述的一种用于塑料加工设备的清洗料的制备方法，其特征在于：称取下列重量份的原料：PPA助剂 15～35份，碳酸钙20～40份， LLDPE 35～55份，依次加入混料机中进行混合，以自身摩擦产生热量，混料机转速300～500转/min，混合时间2～8min；将混合均匀后的料转移至发泡容器，加入发泡剂2～15份，均匀搅拌，进行发泡处理；将发泡后的混合物加入双螺杆挤出机中进行挤出、造粒，双螺杆挤出机的转速为250～350转/min,各温区温度为120～200℃。
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Cited By (9)

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Publication number Priority date Publication date Assignee Title
CN105330938A (zh) * 2015-11-17 2016-02-17 安徽正华电气有限公司 一种全自动塑料加工设备清洗剂及其制备方法
CN106046526A (zh) * 2016-08-03 2016-10-26 爱普特聚合物江苏有限公司 螺杆挤出机的pe类洗机料及其制备方法和清机方法
CN106674723A (zh) * 2015-12-26 2017-05-17 上海伟星新型建材有限公司 一种塑料挤出机或者注塑机螺杆清洗剂
CN106883497A (zh) * 2017-04-19 2017-06-23 上海中镭新材料科技有限公司 一种用于塑料加工设备的清洗料及其制备方法
CN107081887A (zh) * 2017-05-03 2017-08-22 山东新巨丰泰东包装有限公司 一种挤出机冲料法
CN109384991A (zh) * 2018-09-30 2019-02-26 金旸（厦门）新材料科技有限公司 一种耐高温交联型洗机母料及其制备方法
CN109705432A (zh) * 2018-12-14 2019-05-03 金旸（厦门）新材料科技有限公司 一种交联发泡型洗机母料及其制备方法
CN112410138A (zh) * 2019-08-22 2021-02-26 旭化成株式会社 树脂成型加工机用清洗剂、树脂成型加工机的清洗方法
CN115418047A (zh) * 2022-11-03 2022-12-02 无锡会通轻质材料股份有限公司 一种低摩擦系数发泡材料及其制备方法与应用

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CN105330938A (zh) * 2015-11-17 2016-02-17 安徽正华电气有限公司 一种全自动塑料加工设备清洗剂及其制备方法
CN106674723B (zh) * 2015-12-26 2019-08-23 上海伟星新型建材有限公司 一种塑料挤出机或者注塑机螺杆清洗剂
CN106674723A (zh) * 2015-12-26 2017-05-17 上海伟星新型建材有限公司 一种塑料挤出机或者注塑机螺杆清洗剂
CN106046526A (zh) * 2016-08-03 2016-10-26 爱普特聚合物江苏有限公司 螺杆挤出机的pe类洗机料及其制备方法和清机方法
CN106883497A (zh) * 2017-04-19 2017-06-23 上海中镭新材料科技有限公司 一种用于塑料加工设备的清洗料及其制备方法
CN106883497B (zh) * 2017-04-19 2019-09-10 上海中镭新材料科技有限公司 一种用于塑料加工设备的清洗料及其制备方法
CN107081887B (zh) * 2017-05-03 2019-11-19 山东新巨丰泰东包装有限公司 一种挤出机冲料法
CN107081887A (zh) * 2017-05-03 2017-08-22 山东新巨丰泰东包装有限公司 一种挤出机冲料法
CN109384991A (zh) * 2018-09-30 2019-02-26 金旸（厦门）新材料科技有限公司 一种耐高温交联型洗机母料及其制备方法
CN109705432A (zh) * 2018-12-14 2019-05-03 金旸（厦门）新材料科技有限公司 一种交联发泡型洗机母料及其制备方法
CN112410138A (zh) * 2019-08-22 2021-02-26 旭化成株式会社 树脂成型加工机用清洗剂、树脂成型加工机的清洗方法
CN112410138B (zh) * 2019-08-22 2022-02-18 旭化成株式会社 树脂成型加工机用清洗剂、树脂成型加工机的清洗方法
CN115418047A (zh) * 2022-11-03 2022-12-02 无锡会通轻质材料股份有限公司 一种低摩擦系数发泡材料及其制备方法与应用

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