CN108070176A - 一种低成本的充气水池膜及其制备方法 - Google Patents
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Abstract
本发明公开了一种低成本的充气水池膜及其制备方法,包括以下步骤:计量配料,取以下重量份的原料:平均聚合度大于1300及乙烯法工艺制成的PVC树脂100wt%、增塑剂40‑60 wt%、粒径为60‑100nm的填充剂5‑12 wt%、稳定剂2‑4 wt%、复合改性助剂6‑13wt%、抗紫外线吸收剂0.2‑0.6 wt%和、塑料除味剂0.2‑0.5 wt%和若干颜料备用,然后经过高速混合、密炼机混炼、开炼机塑化、挤出机过滤后经压延、引离、压花、冷却定型、收卷得到。本发明的配方简单,工艺操作方便,生产效率高,能够降低成本,有利于普遍推广应用,制得的充气水池膜具有气密性好、强度高、耐高温、环保及良好的外观感。
Description
技术领域
本发明涉及塑料膜材料技术领域,特别是涉及一种低成本的充气水池膜及其制备方法。
背景技术
充气水池是人们把现实中的游泳池缩小化的一个状态,它的质量轻,便于携带,所以可以用在很多场合。只要把充气水池充满气,再往水池里注入一定量的水就可以使用了,主要是供儿童玩耍。
目前市场上的充气水池基本上是PVC材料制成,而充气PVC材料主要分为PVC膜类和带基布的PVC夹层材料。其中PVC夹层材料因工艺相对复杂,成本较高,所以针对儿童使用的产品大部分是PVC膜类生产的,但一般的PVC膜因强度不足,充入较多的水及在高温下晒2-3天后变形大,而影响产品的美观及使用,需要改进。为了解决以上存在的缺点和不足,特制作了一种低成本的充气水池膜。
发明内容
本发明主要解决的技术问题是提供一种低成本的充气水池膜及其制备方法,该充气水池膜强度高,可以在夏天高温下曝晒2-3天而不变形,不影响产品的使用,且该产品配方成本低、工艺操作简单,适合大规模工业化生产。
为解决上述技术问题,本发明提供一种低成本的充气水池膜的制备方法,包括以下工艺步骤:
步骤一、计量配料,取以下重量份的原料:平均聚合度大于1300及乙烯法法工艺制成的PVC树脂100wt%、增塑剂40-60 wt%、粒径为60-100nm的填充剂5-12 wt%、稳定剂2-4 wt%、复合改性助剂6-13wt%、抗紫外线吸收剂0.2-0.6 wt%和、塑料除味剂0.2-0.5 wt%和若干颜料备用;
步骤二、高速混合,将上述原料按照所选重量比混合搅拌均匀,先采用低速搅拌20-30秒,低速搅拌3-5秒后添加塑料除味剂,然后转换300-450秒的高速搅拌,高速搅拌结束前30-60秒加入复合改性助剂,最后形成混合粉料;
步骤三、密炼机混炼,将粉料在密炼室内塑化形成块状的凝胶;
步骤四、开炼机塑化,将未完全熔融的凝胶料进一步塑化,保持开炼机辊筒温度在160-190℃;
步骤五、挤出机过滤,挤出机模头温度控制在140-170℃,过滤掉胶料中可能含有的杂质;
步骤六、将步骤(五)中的胶料经过再通过压延、引离、压花、冷却定型、收卷,得到所需的PVC充气水池膜。
其中,所述步骤(一)中PVC树脂聚合度为1300-1800。
其中,所述步骤(一)中复合改性助剂为ACR与CPE的复合,所述ACR与CPE的重量比为1-5:5-8。
其中,所述步骤(一)中增塑剂为DINP、DOTP或DPHP中的一种或两种配合。
其中,所述步骤(一)中填充剂为纳米活性轻质碳酸钙,抗紫外线吸收剂为UV-531。
一种低成本的充气水池膜,其是由权利要求 1-5 所述的制备工艺制备而成。
本发明的有益效果是:
1、选用平均聚合度在1300以上的PVC树脂,保证充气水池膜有足够高的强度;
2、选用乙烯法工艺生产的PVC树脂,保证充气水池膜有更稳定的气密性;
3、增塑剂用DINP、DOTP、DPHP中的一种或几种配合,更加环保,出口美国或欧盟大部分国家都可以达到要求,特别是配合一部分DPHP时可进一步提高水池膜的耐高温性能;
4、填充剂选用粒径在60-100nm的纳米活性轻质碳酸钙,使水池膜充气膨胀后表面不会产生白痕,除了增加产品的稳定性外也可以保持良好的外观;
5、选用ACR和CPE作为改性助剂复配使用,制成的膜具有较高的强度及良好的韧性,制品表面光泽度好,耐侯性好,另外此改性助剂混合物比常用的改性橡胶成本降低1倍以上;
6、加入塑料除味剂,进一步降低充气水池膜的气味,可满足对气味敏感的儿童使用;
7、配方简单,工艺操作方便,生产效率高,成本低而实用性强。
具体实施方式
下面将对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅是本发明的一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例,都属于本发明保护的范围。
实施例1:
本实施例提供一种低成本的充气水池膜的制备方法,包括以下工艺步骤:
步骤一、计量配料,取以下重量份的原料:平均聚合度为1350及乙烯法法工艺制成的PVC树脂100wt%、DINP 50 wt%、粒径为60nm的纳米活性轻质碳酸钙6 wt%、稳定剂2.5%、ACR与CPE复合改性助剂6wt%、其中ACR与CPE复合改性助剂的重量比为2:6、UV-531 0.2%、塑料除味剂0.2 wt%,颜料1%备用;
步骤二、高速混合,将上述原料按照所选重量比混合搅拌均匀,先采用低速搅拌20秒,低速搅拌3秒后添加塑料除味剂,然后转换300秒的高速搅拌,高速搅拌结束前30秒加入复合改性助剂,最后形成混合粉料;
步骤三、密炼机混炼,将粉料在密炼室内塑化形成块状的凝胶;
步骤四、开炼机塑化,将未完全熔融的凝胶料进一步塑化,保持开炼机辊筒温度在160-190℃;
步骤五、挤出机过滤,挤出机模头温度控制在140-170℃,过滤掉胶料中可能含有的杂质;
步骤六、将步骤(五)中的胶料经过再通过压延、引离、压花、冷却定型、收卷,得到所需的PVC充气水池膜。
一种低成本的充气水池膜,由上述制备工艺制备而成。
实施例2
一种低成本的充气水池膜的制备方法,包括以下工艺步骤:
步骤一、计量配料,取以下重量份的原料:平均聚合度为1500及乙烯法法工艺制成的PVC树脂100wt%、DOTP 48 wt%、粒径为80m的纳米活性轻质碳酸钙8 wt%、稳定剂3%、ACR与CPE复合改性助剂10wt%、其中ACR与CPE复合改性助剂的重量比为3:4、UV-531 0.45%、塑料除味剂0.35 wt%,颜料1.5%备用;
步骤二、高速混合,将上述原料按照所选重量比混合搅拌均匀,先采用低速搅拌30秒,低速搅拌5秒后添加塑料除味剂,然后转换450秒的高速搅拌,高速搅拌结束前60秒加入复合改性助剂,最后形成混合粉料;
步骤三、密炼机混炼,将粉料在密炼室内塑化形成块状的凝胶;
步骤四、开炼机塑化,将未完全熔融的凝胶料进一步塑化,保持开炼机辊筒温度在160-190℃;
步骤五、挤出机过滤,挤出机模头温度控制在140-170℃,过滤掉胶料中可能含有的杂质;
步骤六、将步骤(五)中的胶料经过再通过压延、引离、压花、冷却定型、收卷,得到所需的PVC充气水池膜。
一种低成本的充气水池膜,其是由是上述制备工艺制备而成。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书内容所作的等效结构或等效流程变换,或直接或间接运用在其它相关的技术领域,均同理包括在本发明的专利保护范围内。
Claims (6)
1.一种低成本的充气水池膜的制备方法,其特征在于,包括以下工艺步骤:
步骤一、计量配料,取以下重量份的原料:平均聚合度大于1300及乙烯法工艺制成的PVC树脂100wt%、增塑剂40-60 wt%、粒径为60-100nm的填充剂5-12 wt%、稳定剂2-4 wt%、复合改性助剂6-13wt%、抗紫外线吸收剂0.2-0.6 wt%和、塑料除味剂0.2-0.5 wt%和若干颜料备用;
步骤二、高速混合,将上述原料按照所选重量比混合搅拌均匀,先采用低速搅拌20-30秒,低速搅拌3-5秒后添加塑料除味剂,然后转换300-450秒的高速搅拌,高速搅拌结束前30-60秒加入复合改性助剂,最后形成混合粉料;
步骤三、密炼机混炼,将粉料在密炼室内塑化形成块状的凝胶;
步骤四、开炼机塑化,将未完全熔融的凝胶料进一步塑化,保持开炼机辊筒温度在160-190℃;
步骤五、挤出机过滤,挤出机模头温度控制在140-170℃,过滤掉胶料中可能含有的杂质;
步骤六、将步骤(五)中的胶料经过再通过压延、引离、压花、冷却定型、收卷,得到所需的PVC充气水池膜。
2.根据权利要求1所述的低成本的充气水池膜的制备方法,其特征在于,所述步骤(一)中PVC树脂聚合度为1300-1800。
3.根据权利要求1所述的低成本的充气水池膜的制备方法,其特征在于,所述步骤(一)中复合改性助剂为ACR与CPE的复合,所述ACR与CPE的重量比为1-5:5-8。
4.根据权利要求1所述的低成本的充气水池膜的制备方法,其特征在于,所述步骤(一)中增塑剂为DINP、DOTP或DPHP中的一种或两种配合。
5.根据权利要求1所述的低成本的充气水池膜的制备方法,其特征在于,所述步骤(一)中填充剂为纳米活性轻质碳酸钙,抗紫外线吸收剂为UV-531。
6.一种低成本的充气水池膜,其是由权利要求 1-5 所述的制备工艺制备而成。
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CN112358636A (zh) * | 2020-10-30 | 2021-02-12 | 浙江明士达股份有限公司 | 一种水池布及其制备方法 |
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