CN110435271A - 一种复合硬片以及制作方法 - Google Patents
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Abstract
本发明公开一种复合硬片一种复合硬片,其特征在于:包括依次设置的聚氯乙烯层、聚乙烯层、聚偏二氯乙烯层、铝箔层,所述聚偏二氯乙烯层与铝箔层之间设有胶水粘贴层,所述铝箔层的底部设有防火涂料层;所述防火涂料层的组分包括聚氨酯丙烯酸酯:5‑12份,聚改性氢氧化镁:5‑8.5份,阴离子表面活性剂:5‑12份,其他助剂:16‑38份,钛白粉:22‑45份,硼砂:3‑8份,阻燃剂:3‑11份,氰乙基纤维素4‑15份,水:35‑52份。本发明中设有防火涂料层,可有效阻燃,本发明中的层间结合力大,可以有效防止灰尘等其他微小物体的进入从而对药品造成污染,有效提高产品的安全性能。本发明的铝箔层制作工艺,有效提高了铝箔的破裂强度,提高了铝箔的稳定性能,延长使用寿命,降低成本。
Description
技术领域
本发明涉及药品包装材料技术领域,具体涉及一种复合硬片以及制作方法。
背景技术
现有的药品包装行业采用PVC吸塑与药用PTP铝箔进行热合包装,PVC存在阻隔水蒸汽、氧气等性能缺陷,药品、保健品、食品等存放时间短,且PVC的透光性能不能有效阻隔紫外线,且在紫外线照射下容易老化,产生有毒气体。虽然我国制药工业及保健品、食品行业飞速发展,药品包装材料也得到了飞速发展,但是目前业内存在的热带型冷冲压复合硬片结构为尼龙层(既聚酰胺层)、铝箔层,成型后热压与吸塑PVC封合,此类产品在冷冲压过程中易造成尼龙层与铝箔层之间分层及冲压过程中造成铝箔层破损,影响产品保质期及降低生产效率。此外,现有药品包装材料中的材料性能一般,如药品包装材料中的铝箔一般使用3003合金或8011合金。用3003合金生产的铝箔,具有很好的冲制性能,但是由于合金中Mn元素含量过高,在进行均匀化退火时,晶粒容易长大,在轧制到成品厚度时,表面不可避免的会出现粗晶条纹,影响正常使用。
且传统的复合硬片中没有防火层结构,因此因自然环境或者人为引起火灾时,会直接导致硬片烧毁而损失惨重。
发明内容
本发明的目的在于针对现有技术的缺陷和不足,提供一种复合硬片以及制作方法。
为实现上述目的,本发明采用的技术方案是:一种复合硬片,其特征在于:包括依次设置的聚氯乙烯层、聚乙烯层、聚偏二氯乙烯层、铝箔层,所述聚偏二氯乙烯层与铝箔层之间设有胶水粘贴层,所述铝箔层的底部设有防火涂料层;
所述防火涂料层的组分包括聚氨酯丙烯酸酯:5-12份,聚改性氢氧化镁:5-8.5份,阴离子表面活性剂:5-12份,其他助剂:16-38份,钛白粉:22-45份,硼砂:3-8份,阻燃剂:3-11份,氰乙基纤维素4-15份,水:35-52份。
进一步的,所述铝箔层组成成份及重量百分比为:Si:0.35-0.6%、Fe:1.0-2.20%、Cu:0.1-0.45%、Mn:0.50-0.78%、Mg:0.02-0.23%、Re:0.02-0.14%、Zn:0.12-0.45%、Ti:0.02-0.05%、Al余量。
进一步的,所述铝箔层通过精轧机挤压成型,所述铝箔层的一面为平滑表面,一面为粗糙凹槽面。
进一步的,所述铝箔层的制作步骤为:
(3)将铝箔层通过精轧机挤压成型,所述铝箔层的一面为平滑表面,一面为粗糙凹槽面;
(4)在铝箔层的粗糙面覆盖纸浆,通过烘干设备将纸浆的湿度控制在15%-19%,然后通过复合机进行压制,压制10-15分钟后放置30-50分钟,将水分在20-50°的温度下进行蒸发30-50分钟,蒸发完毕后,纸浆完全覆盖在所述铝箔层上即可制得。
进一步的,一种复合硬片的制作方法,其特征在于步骤如下:
(1)制备防火涂料层:将聚氨酯丙烯酸酯、聚改性氢氧化镁、阴离子表面活性剂、钛白粉、硼砂、阻燃剂、氰乙基纤维素、水进行充分融合在温度80-230的温度下混合搅拌30-50分钟制得;
(2)将防火涂料层涂覆在铝箔层的底部,将铝箔层放置烘干设备进行烘干,烘干设备的温度为50-300℃,所述烘干设备的风量为2000-2300m 3/h;
(3)烘干后放置冷却15-20分钟后收卷;
(4)将卷材进行分切,与聚氯乙烯层、聚乙烯层、聚偏二氯乙烯层之间涂有胶水粘贴层,使用干式复合机进行复合成型。
进一步的,所述步骤(2)中烘干设备为烘箱或者烤箱的一种。
进一步的,所述步骤(4)中聚氯乙烯层、聚乙烯层、聚偏二氯乙烯层的厚度为5-30mm。
采用上述结构后,本发明有益效果为:
1、本发明中设有防火涂料层,可有效阻燃,保证复合硬片的安全,即使在火灾情况下仍能一定程度的保证复合硬片的安全系数。
2、本发明中的层间结合力大,可以有效防止灰尘等其他微小物体的进入从而对药品造成污染,有效提高产品的安全性能。
3、本发明的铝箔层通过精轧机挤压成型,工艺简单,可有效节约材料成本,韧性高,抗拉强度有效提高,可达到400-600kg/cm2。
3、本发明的铝箔层制作工艺,有效提高了铝箔的破裂强度,提高了铝箔的稳定性能,延长使用寿命,降低成本。
附图说明
图1为本发明的结构示意图。
具体实施方式
下面结合附图对本发明作进一步的说明。
为了使本发明的目的、技术方案及优点更加清楚明白,以下结合附图及具体实施方式,对本发明进行进一步详细说明。应当理解,此处所描述的具体实施方式仅用以解释本发明,并不用于限定本发明。
实施例1:
参看图1,一种复合硬片,其特征在于:包括依次设置的聚氯乙烯层1、聚乙烯层3、聚偏二氯乙烯层4、铝箔层5,所述聚偏二氯乙烯层与铝箔层之间设有胶水粘贴层2,所述铝箔层5的底部设有防火涂料层6;
所述防火涂料层6的组分包括聚氨酯丙烯酸酯:5份,聚改性氢氧化镁:5份,阴离子表面活性剂:5份,其他助剂:16份,钛白粉:22份,硼砂:3份,阻燃剂:3份,氰乙基纤维素4份,水:35份。
在本实施例中,所述铝箔层5组成成份及重量百分比为:Si:0.35%、Fe:1.0%、Cu:0.1%、Mn:0.50%、Mg:0.02%、Re:0.02%、Zn:0.12%、Ti:0.02%、Al余量。
在本实施例中,所述铝箔层通过精轧机挤压成型,所述铝箔层的一面为平滑表面,一面为粗糙凹槽面。
进一步的,所述铝箔层的制作步骤为:
(5)将铝箔层通过精轧机挤压成型,所述铝箔层的一面为平滑表面,一面为粗糙凹槽面;
(6)在铝箔层的粗糙面覆盖纸浆,通过烘干设备将纸浆的湿度控制在15%,然后通过复合机进行压制,压制10分钟后放置30分钟,将水分在20°的温度下进行蒸发30分钟,蒸发完毕后,纸浆完全覆盖在所述铝箔层上即可制得。
在本实施例中,一种复合硬片的制作方法,其特征在于步骤如下:
(1)制备防火涂料层:将聚氨酯丙烯酸酯、聚改性氢氧化镁、阴离子表面活性剂、钛白粉、硼砂、阻燃剂、氰乙基纤维素、水进行充分融合在温度80的温度下混合搅拌30分钟制得;
(2)将防火涂料层涂覆在铝箔层的底部,将铝箔层放置烘干设备进行烘干,烘干设备的温度为50℃,所述烘干设备的风量为2000m 3/h;
(3)烘干后放置冷却15分钟后收卷;
(4)将卷材进行分切,与聚氯乙烯层、聚乙烯层、聚偏二氯乙烯层之间涂有胶水粘贴层,使用干式复合机进行复合成型。
在本实施例中,所述步骤(2)中烘干设备为烘箱或者烤箱的一种。
在本实施例中,所述步骤(4)中聚氯乙烯层、聚乙烯层、聚偏二氯乙烯层的厚度为5mm。
实施例2:
参看图1,一种复合硬片,其特征在于:包括依次设置的聚氯乙烯层、聚乙烯层、聚偏二氯乙烯层、铝箔层,所述聚偏二氯乙烯层与铝箔层之间设有胶水粘贴层,所述铝箔层的底部设有防火涂料层;
所述防火涂料层的组分包括聚氨酯丙烯酸酯:12份,聚改性氢氧化镁:8.5份,阴离子表面活性剂:12份,其他助剂:38份,钛白粉:45份,硼砂:8份,阻燃剂:11份,氰乙基纤维素15份,水:52份。
在本实施例中,所述铝箔层组成成份及重量百分比为:Si:0.6%、Fe:2.20%、Cu:0.45%、Mn:0.78%、Mg:0.23%、Re:0.14%、Zn:0.45%、Ti:0.05%、Al余量。
在本实施例中,所述铝箔层通过精轧机挤压成型,所述铝箔层的一面为平滑表面,一面为粗糙凹槽面。
进一步的,所述铝箔层的制作步骤为:
(7)将铝箔层通过精轧机挤压成型,所述铝箔层的一面为平滑表面,一面为粗糙凹槽面;
(8)在铝箔层的粗糙面覆盖纸浆,通过烘干设备将纸浆的湿度控制在19%,然后通过复合机进行压制,压制15分钟后放置50分钟,将水分在50°的温度下进行蒸发50分钟,蒸发完毕后,纸浆完全覆盖在所述铝箔层上即可制得。
在本实施例中,一种复合硬片的制作方法,其特征在于步骤如下:
(1)制备防火涂料层:将聚氨酯丙烯酸酯、聚改性氢氧化镁、阴离子表面活性剂、钛白粉、硼砂、阻燃剂、氰乙基纤维素、水进行充分融合在温度230的温度下混合搅拌50分钟制得;
(2)将防火涂料层涂覆在铝箔层的底部,将铝箔层放置烘干设备进行烘干,烘干设备的温度为300℃,所述烘干设备的风量为2300m 3/h;
(3)烘干后放置冷却20分钟后收卷;
(4)将卷材进行分切,与聚氯乙烯层、聚乙烯层、聚偏二氯乙烯层之间涂有胶水粘贴层,使用干式复合机进行复合成型。
在本实施例中,所述步骤(2)中烘干设备为烘箱或者烤箱的一种。
在本实施例中,所述步骤(4)中聚氯乙烯层、聚乙烯层、聚偏二氯乙烯层的厚度为30mm。
实施例3:
参看图1,一种复合硬片,其特征在于:包括依次设置的聚氯乙烯层、聚乙烯层、聚偏二氯乙烯层、铝箔层,所述聚偏二氯乙烯层与铝箔层之间设有胶水粘贴层,所述铝箔层的底部设有防火涂料层;
所述防火涂料层的组分包括聚氨酯丙烯酸酯:8份,聚改性氢氧化镁:7份,阴离子表面活性剂:8份,其他助剂:22份,钛白粉:30份,硼砂:5份,阻燃剂:8份,氰乙基纤维素11份,水:40份。
在本实施例中,所述铝箔层组成成份及重量百分比为:Si:0.45%、Fe:1.55%、Cu:0.32%、Mn:0.65%、Mg:0.15%、Re:0.65%、Zn:0.33%、Ti:0.025%、Al余量。
在本实施例中,所述铝箔层通过精轧机挤压成型,所述铝箔层的一面为平滑表面,一面为粗糙凹槽面。
进一步的,所述铝箔层的制作步骤为:
(9)将铝箔层通过精轧机挤压成型,所述铝箔层的一面为平滑表面,一面为粗糙凹槽面;
(10)在铝箔层的粗糙面覆盖纸浆,通过烘干设备将纸浆的湿度控制在17%,然后通过复合机进行压制,压制10-15分钟后放置40分钟,将水分在35°的温度下进行蒸发40分钟,蒸发完毕后,纸浆完全覆盖在所述铝箔层上即可制得。
在本实施例中,一种复合硬片的制作方法,其特征在于步骤如下:
(1)制备防火涂料层:将聚氨酯丙烯酸酯、聚改性氢氧化镁、阴离子表面活性剂、钛白粉、硼砂、阻燃剂、氰乙基纤维素、水进行充分融合在温度120的温度下混合搅拌40分钟制得;
(2)将防火涂料层涂覆在铝箔层的底部,将铝箔层放置烘干设备进行烘干,烘干设备的温度为220℃,所述烘干设备的风量为2200m 3/h;
(3)烘干后放置冷却18分钟后收卷;
(4)将卷材进行分切,与聚氯乙烯层、聚乙烯层、聚偏二氯乙烯层之间涂有胶水粘贴层,使用干式复合机进行复合成型。
在本实施例中,所述步骤(2)中烘干设备为烘箱或者烤箱的一种。
在本实施例中,所述步骤(4)中聚氯乙烯层、聚乙烯层、聚偏二氯乙烯层的厚度为17.5mm。
本发明中设有防火涂料层,可有效阻燃,保证复合硬片的安全,即使在火灾情况下仍能一定程度的保证复合硬片的安全系数。本发明中的层间结合力大,可以有效防止灰尘等其他微小物体的进入从而对药品造成污染,有效提高产品的安全性能。本发明的铝箔层通过精轧机挤压成型,工艺简单,可有效节约材料成本,韧性高,抗拉强度有效提高,可达到400-600kg/cm2。本发明的铝箔层制作工艺,有效提高了铝箔的破裂强度,提高了铝箔的稳定性能,延长使用寿命,降低成本。
以上所述,仅用以说明本发明的技术方案而非限制,本领域普通技术人员对本发明的技术方案所做的其它修改或者等同替换,只要不脱离本发明技术方案的精神和范围,均应涵盖在本发明的权利要求范围当中。
Claims (7)
1.一种复合硬片,其特征在于:包括依次设置的聚氯乙烯层、聚乙烯层、聚偏二氯乙烯层、铝箔层,所述聚偏二氯乙烯层与铝箔层之间设有胶水粘贴层,所述铝箔层的底部设有防火涂料层;
所述防火涂料层的组分包括聚氨酯丙烯酸酯:5-12份,聚改性氢氧化镁:5-8.5份,阴离子表面活性剂:5-12份,其他助剂:16-38份,钛白粉:22-45份,硼砂:3-8份,阻燃剂:3-11份,氰乙基纤维素4-15份,水:35-52份。
2.根据权利要求1所述的一种复合硬片以及制作方法,所述铝箔层组成成份及重量百分比为:Si:0.35-0.6%、Fe:1.0-2.20%、Cu:0.1-0.45%、Mn:0.50-0.78%、Mg:0.02-0.23%、Re:0.02-0.14%、Zn:0.12-0.45%、Ti:0.02-0.05%、Al余量。
3.根据权利要求2所述的一种复合硬片,其特征在于:所述铝箔层通过精轧机挤压成型,所述铝箔层的一面为平滑表面,一面为粗糙凹槽面。
4.根据权利要求3所述的一种复合硬片,其特征在于:所述铝箔层的制作步骤为:
(1)将铝箔层通过精轧机挤压成型,所述铝箔层的一面为平滑表面,一面为粗糙凹槽面;
(2)在铝箔层的粗糙面覆盖纸浆,通过烘干设备将纸浆的湿度控制在15%-19%,然后通过复合机进行压制,压制10-15分钟后放置30-50分钟,将水分在20-50°的温度下进行蒸发30-50分钟,蒸发完毕后,纸浆完全覆盖在所述铝箔层上即可制得。
5.根据权利要求1所述的一种复合硬片的制作方法,其特征在于步骤如下:
(1)制备防火涂料层:将聚氨酯丙烯酸酯、聚改性氢氧化镁、阴离子表面活性剂、钛白粉、硼砂、阻燃剂、氰乙基纤维素、水进行充分融合在温度80-230的温度下混合搅拌30-50分钟制得;
(2)将防火涂料层涂覆在铝箔层的底部,将铝箔层放置烘干设备进行烘干,烘干设备的温度为50-300℃,所述烘干设备的风量为2000-2300m 3/h;
(3)烘干后放置冷却15-20分钟后收卷;
(4)将卷材进行分切,与聚氯乙烯层、聚乙烯层、聚偏二氯乙烯层之间涂有胶水粘贴层,使用干式复合机进行复合成型。
6.根据权利要求5所述的一种复合硬片的制作方法,其特征在于:所述步骤(2)中烘干设备为烘箱或者烤箱的一种。
7.根据权利要求5所述的一种复合硬片以及制作方法,其特征在于:所述步骤(4)中聚氯乙烯层、聚乙烯层、聚偏二氯乙烯层的厚度为5-30mm。
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