CN108248137A - 一种用于制备饮品胶囊的片材及其制备方法 - Google Patents
一种用于制备饮品胶囊的片材及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种用于制备饮品胶囊的片材,所述片材由PP复合材料、乙烯–乙烯醇共聚物(EVOH)、胶粘剂以及填充剂共挤复合而成;所述片材以乙烯–乙烯醇共聚物(EVOH)为中心层,在所述乙烯–乙烯醇共聚物(EVOH)的两侧分别复合一层PP复合材料,在PP复合材料与乙烯–乙烯醇共聚物(EVOH)之间添加胶粘剂。本发明以纯料制备胶囊壳体的片材,在提升壳体拉伸强度和撕裂强度的同时还大幅度的缩减了壳体的厚度,同时,提高了生产成品率,进而降低了胶囊壳体的生产成本。
Description
技术领域
本发明涉及饮品生产技术领域,具体涉及一种用于制备饮品胶囊的片材及 其制备方法。
背景技术
基于胶囊的快速饮料制作系统在咖啡和茶等饮料制备技术领域快速发展, 其通过将容纳颗粒状饮料制作配料(例如磨碎咖啡)的胶囊插入饮料制作装置 的然后快速萃取来完成饮料制备。雀巢等在制备饮品胶囊时往往在其片材中使 用大约70%的水口料,不仅导致胶囊壳体的厚度较大,而且壳体拉伸强度和撕 裂强度却未有相应的提升。同时,厚度较大的片材使胶囊壳体不易于塑形,进 一步导致胶囊壳体的成品率较低,无形中增大了生产成本。另外,在胶囊壳体 中大量使用水口料也存在食品安全隐患。
发明内容
本发明针对现有技术的上述缺陷提供了一种以纯料制备胶囊壳体的片材, 在提升壳体拉伸强度和撕裂强度的同时还大幅度的缩减了壳体的厚度,同时, 提高了生产成品率,进而降低了胶囊壳体的生产成本。
本发明的目的是通过以下技术方案实现的:
一种用于制备饮品胶囊的片材,所述片材由PP复合材料、乙烯–乙烯醇共 聚物(EVOH)、胶粘剂以及填充剂共挤复合而成;所述片材以乙烯–乙烯醇共聚 物(EVOH)为中心层,在所述乙烯–乙烯醇共聚物(EVOH)的两侧分别复合一层 PP复合材料,在PP复合材料与乙烯–乙烯醇共聚物(EVOH)之间添加胶粘剂;
其中,以重量份计,所述PP复合材料由聚丙烯(PP)100份、高密度聚乙 烯(HDPE)4~12份和填充剂0~20份熔融挤出成形;
以重量份计,所述PP复合材料6.3~7.7份与乙烯–乙烯醇共聚物110~134 份压制成片材。
在根据本发明的一个实施方案中,以重量份计,所述PP复合材料层聚丙烯 (PP)100份、高密度聚乙烯(HDPE)8份和填充剂20份组成。
在根据本发明的一个实施方案中,所述填充料选自CaCO2、MgCO2、高岭 土、SiO2和玻璃纤维中的一种或多种。
在根据本发明的一个实施方案中,所述聚丙烯(PP)为PPH-T03。
在根据本发明的一个实施方案中,所述片材的厚度为1.3~1.8mm。
在根据本发明的一个实施方案中,所述单侧PP复合材料的层厚度为 0.65~0.7mm。
在根据本发明的一个实施方案中,所述乙烯–乙烯醇共聚物的中心层厚度 为0.06-0.08mm。
本发明还提供了一种饮品胶囊壳体,所述饮品胶囊壳体由权利要求1~7中 任一项所述的片材压制成型。
在根据本发明的一个实施方案中,所述方法包括:
1)熔融PP复合料、乙烯–乙烯醇共聚物、填充剂分别由挤出机塑化挤出 后分别经过栅板进入复合机头;
2)所述复合机头的机筒到机头,流道由圆形变为平缝形,步骤1)所述在 复合机头内部是有不同的通道的,各熔料在各自的通道中均沿着机头宽度方向 均匀分布,在口模汇合成一体挤出板材或片材;
3)在牵引装置牵引下步骤2)所述的板材或片材经光辊压光,再经切边装 置整形,最后由切割装置切成所需长度。
本发明具有以下有益效果:
本发明以纯料制备胶囊壳体的片材,在提升壳体拉伸强度和撕裂强度的同 时还大幅度的缩减了壳体的厚度,同时,提高了生产成品率,进而降低了胶囊 壳体的生产成本。
具体实施方式
下面结合实施例对本发明作进一步详述,以下实施例只是描述性的,不是 限定性的,不能以此限定本发明的保护范围。
如无特别说明,本发明中所使用的材料均为商业途径获得。
PP层主材料为北海中石化生产的T03;
EVOH为日本合成化学生产的BX6804B;
胶粘剂为鹿山化工生产的PF300。
实施例1:
一)制备PP复合材料:将聚丙烯(PP)100份、高密度聚乙烯(HDPE)4 份和填充剂0份混合均匀得混合物料,混合物料经熔融挤出,得到挤出物料即 PP复合材料。
二)制备片材
1)熔融PP复合料6.3~7.7份、乙烯–乙烯醇共聚物(EVOH)110~134份, 胶粘剂4份、填充剂5份分别由挤出机塑化挤出后分别经过栅板进入复合机头;
2)所述复合机头的机筒到机头,流道由圆形变为平缝形,步骤1)所述复 合机头内部有不同的通道,各熔料在各自的通道中均沿着机头宽度方向均匀分 布,在口模汇合成一体挤出板材或片材;
3)在牵引装置牵引下步骤2)所述的板材或片材经光辊压光,再经切边装 置整形,最后由切割装置切成所需长度。
实施例2
一)制备PP复合材料
将聚丙烯(PP)100份、高密度聚乙烯(HDPE)8份和填充剂10份混合均匀 得混合物料,混合物料经熔融挤出,得到挤出物料即PP复合材料。
二)制备片材
1)熔融PP复合料6.3份、乙烯–乙烯醇共聚物(EVOH)134份,胶粘剂 5份、填充剂10份分别由挤出机塑化挤出后分别经过栅板进入复合机头;
2)所述复合机头的机筒到机头,流道由圆形变为平缝形,步骤1)所述复 合机头内部有不同的通道,各熔料在各自的通道中均沿着机头宽度方向均匀分 布,经模具挤出压制成板材或片材,在口模汇合成一体挤出板材或片材;
3)在牵引装置牵引下步骤2)所述的板材或片材经光辊压光,再经切边装 置整形,最后由切割装置切成所需长度。
实施例3
一)制备PP复合材料
将PP复合材料由聚丙烯(PP)100份、高密度聚乙烯(HDPE)12份和填充 剂20份混合均匀得混合物料,混合物料经熔融挤出,得到挤出物料即PP复合 材料。
二)制备片材
1)熔融PP复合料7.7份、乙烯–乙烯醇共聚物(EVOH)134份,胶粘剂 10份、填充剂15份分别由挤出机塑化挤出后分别经过栅板进入复合机头;
2)所述复合机头的机筒到机头,流道由圆形变为平缝形,步骤1)所述复 合机头内部有不同的通道,各熔料在各自的通道中均沿着机头宽度方向均匀分 布,在口模汇合成一体挤出板材或片材;
3)在牵引装置牵引下步骤2)所述的板材或片材经光辊压光,再经切边装 置整形,最后由切割装置切成所需长度。
实施例4
一)制备PP复合材料
将聚丙烯(PP)100份、高密度聚乙烯(HDPE)8份和填充剂10份混合均匀 得混合物料,混合物料经熔融挤出,得到挤出物料即PP复合材料
二)制备片材
1)熔融PP复合料7份、乙烯–乙烯醇共聚物(EVOH)122份,适量的胶 粘剂、填充剂分别由挤出机塑化挤出后分别经过栅板进入复合机头;
2)所述复合机头的机筒到机头,流道由圆形变为平缝形,步骤1)所述复 合机头内部有不同的通道,各熔料在各自的通道中均沿着机头宽度方向均匀分 布,在口模汇合成一体挤出板材或片材;
3)在牵引装置牵引下步骤2)所述的板材或片材经光辊压光,再经切边装 置整形,最后由切割装置切成所需长度。
实施例5
根据国家标准的测试方法对上述实施例1~4制备的片材的拉伸强度、撕裂 强度、壳体厚度、阻隔性等参数进行测试,同时以雀巢的胶囊壳体作为对比, 雀巢胶囊咖啡的壳体由聚丙烯、聚丙烯/乙烯醇乙烯共聚物、乙烯醇乙烯共聚物、 聚丙烯/乙烯醇乙烯共聚物以及聚丙烯5层材质构成,而本发明的片材仅由三层 材质构成,其结果见表1。
表1检测结果
通过上述实施例1、实施例2、实施例3、实施例4以及实施例5的检测表 明,本发明以纯料制备胶囊壳体的片材,在提升壳体拉伸强度和撕裂强度的同 时还大幅度的缩减了壳体的厚度,同时,提高了生产成品率,进而降低了胶囊 壳体的生产成本。
以上,仅为本发明较佳的具体实施方式,但发明的保护范围并不局限于此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内,可轻易想到的变 化或替换,都应涵盖在本发明的保护范围之内。因此,本发明的保护范围应该 以权利要求书的保护范围为准。
Claims (9)
1.一种用于制备饮品胶囊的片材,其特征在于,所述片材由PP复合材料、乙烯–乙烯醇共聚物、胶粘剂以及填充剂共挤复合而成;所述片材以乙烯–乙烯醇共聚物为中心层,在所述乙烯–乙烯醇共聚物的两侧分别复合一层PP复合材料,在PP复合材料与乙烯–乙烯醇共聚物之间添加胶粘剂;
其中,以重量份计,所述复合材料由聚丙烯100份、高密度聚乙烯4~12份和填充剂0~20份熔融挤出成形;
以重量份计,所述PP复合材料6.3~7.7份与乙烯–乙烯醇共聚物110~134份压制成片材。
2.如权利要求1所述的片材,其特征在于,以重量份计,所述PP复合材料层聚丙烯100份、高密度聚乙烯8份和填充剂20份组成。
3.如权利要求1所述的片材,其特征在于,所述填充料选自CaCO2、MgCO2、高岭土、SiO2和玻璃纤维中的一种或多种。
4.如权利要求1~3中任一项所述的片材,其特征在于,所述聚丙烯为PPH-T03。
5.如权利要求1~4中任一项所述的片材,其特征在于,所述片材的厚度为1.3~1.8mm。
6.如权利要求5所述的片材,其特征在于,所述单侧PP复合材料的层厚度为0.65~0.7mm。
7.如权利要求5所述的片材,其特征在于,所述乙烯–乙烯醇共聚物的中心层厚度为0.06-0.08mm。
8.一种饮品胶囊壳体,其特征在于,所述饮品胶囊壳体由权利要求1~7中任一项所述的片材压制成型。
9.一种制备如权利要求1~7中任一项所述的片材的方法,其特征在于,所述方法包括:
1)熔融PP复合料、乙烯–乙烯醇共聚物、填充剂分别由挤出机塑化挤出后分别经过栅板进入复合机头;
2)所述复合机头的机筒到机头,流道由圆形变为平缝形,步骤1)所述在复合机头内部是有不同的通道的,各熔料在各自的通道中均沿着机头宽度方向均匀分布,在口模汇合成一体挤出板材或片材;
3)在牵引装置牵引下步骤2)所述的板材或片材经光辊压光,再经切边装置整形,最后由切割装置切成所需长度。
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