CN1944032A - 聚丙烯发泡片材制造方法 - Google Patents

聚丙烯发泡片材制造方法 Download PDF

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CN1944032A
CN1944032A CNA200510057317XA CN200510057317A CN1944032A CN 1944032 A CN1944032 A CN 1944032A CN A200510057317X A CNA200510057317X A CN A200510057317XA CN 200510057317 A CN200510057317 A CN 200510057317A CN 1944032 A CN1944032 A CN 1944032A
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polypropylene
extruding machine
foamed sheet
sheet
extruding
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CN100544937C (zh
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赖彪
钟发声
赖生泽
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CHONGQING HONGDAI TECHNOLOGY CO LTD
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature

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  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

本发明涉及聚丙烯发泡技术。针对现有技术所使用聚氯乙烯是不可降解材料，对环境有一定污染，耐热性差，生产成本高等不足，而提出一种制造方法简单，符合环保要求的可降解、物理耐热性高，成本低的聚丙烯发泡片材制造方法。所采用技术方案是，将聚丙烯发泡料投入挤塑机的料斗内，挤塑机的温度升到100℃－280℃，使聚丙烯发泡料熔炼，启动挤塑机的螺杆旋转，挤出聚丙烯发泡料从T型头口模挤出，再经挤板机组辊压成片状材，切成一定规格，即成成品。

Description

聚丙烯发泡片材制造方法
一、技术领域
本发明涉及一种发泡片材的制造，特别是涉及一种聚丙烯发泡片材制造方法。
二、背景技术
在专利申请号为00128789.3，公开了“一种聚氯乙烯发泡仿木门片的制造方法”专利技术，所采用聚氯乙烯是一种不可降解的化工材料，对环境有一定污染，在物理耐热性差，只有65℃，不能做100℃以上热变形温度的产品，其生产成本较高等不足之处。而采用聚氨脂材料的仍然存在上述不足之处。
三、发明内容
本发明的目的是提供一种制造方法简单，符合环保要求的可降解、物理耐热性高、生产成本低的聚丙烯发泡片材制造方法。
本发明的目的所采用技术方案是，其制造方法步聚如下：
含有均聚聚丙烯、碳酸硅、AC发泡剂，按重量比分别为70-80、10-20、10-15的聚丙烯发泡料，投入挤塑机的料斗内，将挤塑机的温度升到100℃-280℃，使聚丙烯发泡料熔炼，启动挤塑机的螺杆旋转，使熔炼的聚丙烯发泡料从机内向100℃-280℃的T型头口模挤出，挤出已发泡的聚丙烯发泡料流向挤板机组两辊筒缝楔中去，经辊压成片状材，自然冷却到室温后，按需要切成一定规格片材，即成成品。
本发明，挤塑机采用单螺杆。
本发明，挤塑机采用双螺杆。
本发明制造方法简单，操作筛便，所生产的片材，质轻、隔热、隔音、缓冲、比强度高、成本低，且具有降解性能，利於环保的聚丙烯发泡片材。可广泛地作为包装、热绝缘、汽车摩托车零部件、建筑等领域材料使用。
四、具体实施方式
下面结合实施例进一步说明本发明。
含有均聚聚丙烯、纳米级碳酸硅、AC发泡剂偶氮二甲酰胺，按重量比分别为80、10、10的聚丙烯发泡料，投入Φ90挤塑机的料斗内，将Φ90挤塑机的温度升到100℃，使聚丙烯发泡料熔炼，启动挤塑机的双螺杆旋转，使熔炼的聚丙烯发泡料从机内，向100℃的T型头口模挤出，挤出已发泡的聚丙烯发泡料流向挤板机组两辊筒2mm缝楔中去，经辊压成片状材，自然冷却到室温，切成1.5米×1米规格，即成聚丙烯发泡片材成品。

Claims (3)

1、一种聚丙烯发泡片材制造方法，其特征是制造方法步骤如下：
含有均聚聚丙烯、碳酸硅、AC发泡剂，按重量比分别为70-80、10-20、10-15的聚丙烯发泡料，投入挤塑机的料斗内，将挤塑机的温度升到100℃-280℃，使聚丙烯发泡料熔炼，启动挤塑机的螺杆旋转，使熔炼的聚丙烯发泡料从机内向100℃-280℃的T型头口模挤出，挤出已发泡的聚丙烯发泡料流向挤板机组两辊筒缝楔中去，经辊压成片状材，自然冷却到室温后，按需要切成一定规格片材，即成成品。
2、根据权利要求1所述的一种聚丙烯发泡片材制造方法，其特征是挤塑机采用单螺杆。
3、根据权利要求1所述的一种聚丙烯发泡片材制造方法，其特征是挤塑机采用双螺杆。
CNB200510057317XA 2005-10-09 2005-10-09 聚丙烯发泡片材制造方法 Expired - Fee Related CN100544937C (zh)

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CNB200510057317XA CN100544937C (zh) 2005-10-09 2005-10-09 聚丙烯发泡片材制造方法

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CN100544937C CN100544937C (zh) 2009-09-30

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101597392B (zh) * 2009-07-09 2012-05-09 国家复合改性聚合物材料工程技术研究中心 一种纳米无机材料/聚烯烃发泡材料及其制备方法
CN102702560A (zh) * 2012-06-26 2012-10-03 重庆鸿岱科技有限公司 一种聚丙烯发泡材料的复合发泡制造方法
CN103450558A (zh) * 2013-07-16 2013-12-18 汪永辉 一种挤塑泡沫保温板及其制备方法
CN108329597A (zh) * 2018-03-21 2018-07-27 惠州市峄董塑胶科技有限公司 一种pp与pe合金结构发泡板材及其制备方法

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101597392B (zh) * 2009-07-09 2012-05-09 国家复合改性聚合物材料工程技术研究中心 一种纳米无机材料/聚烯烃发泡材料及其制备方法
CN102702560A (zh) * 2012-06-26 2012-10-03 重庆鸿岱科技有限公司 一种聚丙烯发泡材料的复合发泡制造方法
CN102702560B (zh) * 2012-06-26 2014-01-01 重庆鸿岱科技有限公司 一种聚丙烯发泡材料的复合发泡制造方法
CN103450558A (zh) * 2013-07-16 2013-12-18 汪永辉 一种挤塑泡沫保温板及其制备方法
CN108329597A (zh) * 2018-03-21 2018-07-27 惠州市峄董塑胶科技有限公司 一种pp与pe合金结构发泡板材及其制备方法

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