CN113831607A - 一种全生物降解吸管及其制备方法 - Google Patents
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Abstract
本发明提供了一种全生物降解吸管,包括吸管基体;和设置在吸管基体表面的耐热涂层;以重量份数计,所述吸管基体的原料包括以下组分:0.5~1份成核剂,30~60份质量比为3:1的聚乙醇酸和PBS树脂混合物,10~15份聚乳酸,5~50份填料,4~10份相容剂和4~25份增塑剂;以质量分数计,所述耐热涂层的原料包括以下组分:丙烯腈15~18%,苯乙烯8~12%,甲基丙烯酸月桂酯4~6%,柠檬酸三丁酯1~1.5%,聚氧乙烯脂肪醇1.5~3%,叔丁基过氧化氢0.3~0.6%,有机硅消泡剂0.15~0.2%,余量为水。本发明提供的全生物降解吸管通过吸管基体和耐热涂层的共同作用,具有优异耐热性。
Description
技术领域
本发明属于吸管技术领域,尤其涉及一种全生物降解吸管及其制备方法。
背景技术
近几年,越来越多的人热衷于在逛街或工作的时候点上一杯冷饮或热饮来放松心情。各种奶茶店、果茶店如雨后春笋一般充斥在大街小巷,饮料行业的发展带来大量吸管的消耗。
目前市面上的全降解吸管产品良莠不齐,大部分不符合使用标准,由于性能不佳,特别是由于耐热性不好,不能用于热饮,极大限制了使用范围。
发明内容
有鉴于此,本发明的目的在于提供一种全生物降解吸管及其制备方法,该吸管具有优异耐热性。
本发明提供了一种全生物降解吸管,包括吸管基体;
和设置在吸管基体表面的耐热涂层;
以重量份数计,所述吸管基体的原料包括以下组分:
0.5~1份成核剂,30~60份质量比为3:1的聚乙醇酸和PBS树脂混合物,10~15份聚乳酸,5~50份填料,4~10份相容剂和4~25份增塑剂;
以质量分数计,所述耐热涂层的原料包括以下组分:
丙烯腈15~18%,苯乙烯8~12%,甲基丙烯酸月桂酯4~6%,柠檬酸三丁酯1~1.5%,聚氧乙烯脂肪醇1.5~3%,叔丁基过氧化氢0.3~0.6%,有机硅消泡剂0.15~0.2%,余量为水。
在本发明实施例中,制备吸管基体所需的原料如下:
1份1:(0.8~1.2)的二叉苄山梨醇和云母粉的混合物、60份质量比为3:1的聚乙醇酸和PBS树脂混合物、15份聚乳酸,50份塑化淀粉,10份相容剂纳米碳酸钙和25份蓖麻油;
或0.5份1:(0.8~1.2)的二叉苄山梨醇和云母粉的混合物、30份质量比为3:1的聚乙醇酸和PBS树脂混合物、10份聚乳酸,5份塑化淀粉,4份相容剂纳米碳酸钙和4份蓖麻油;
或0.8份1:(0.8~1.2)的二叉苄山梨醇和云母粉的混合物、45份质量比为3:1的聚乙醇酸和PBS树脂混合物、13份聚乳酸,28份塑化淀粉,7份相容剂纳米碳酸钙和15份蓖麻油。
具体实施例中,所述耐热涂层的原料包括以下组分:丙烯腈18%,苯乙烯12%,甲基丙烯酸月桂酯6%,柠檬酸三丁酯1.5%,聚氧乙烯脂肪醇3%,叔丁基过氧化氢0.6%,有机硅消泡剂0.2%,余量为水;
或所述耐热涂层的原料包括以下组分:丙烯腈15%,苯乙烯8%,甲基丙烯酸月桂酯4%,柠檬酸三丁酯1%,聚氧乙烯脂肪醇1.5%,叔丁基过氧化氢0.3%,有机硅消泡剂0.15%,余量为水;
或所述耐热涂层的原料包括以下组分:丙烯腈17%,苯乙烯10%,甲基丙烯酸月桂酯5%,柠檬酸三丁酯1.3%,聚氧乙烯脂肪醇2.3%,叔丁基过氧化氢0.5%,有机硅消泡剂0.18%,余量为水。
在本发明中,所述聚乙醇酸的重均分子量为30~50万,熔点为225~230℃。
在本发明中,所述成核剂为质量比1:(0.8~1.2)的二叉苄山梨醇和云母粉的混合物。具体实施例中,所述成核剂为质量比1:0.8的二叉苄山梨醇和云母粉的混合物;或质量比1:1的二叉苄山梨醇和云母粉的混合物;或质量比1:1.2的二叉苄山梨醇和云母粉的混合物。
在本发明中,所述增塑剂为蓖麻油;
所述填料为塑化淀粉;
所述相容剂为纳米碳酸钙。
在本发明中,所述耐热涂层的厚度为10~30微米。
本发明提供了一种上述技术方案所述全生物降解吸管的制备方法,包括以下步骤:
将0.5~1份成核剂,30~60份质量比为3:1的聚乙醇酸和PBS树脂混合物,10~15份聚乳酸,5~50份填料,4~10份相容剂和4~25份增塑剂混合,挤出造粒,烘干,得到吸管基体原料;
将所述吸管基体原料上机,制得吸管基体;
将吸管基体上涂覆耐热涂料,干燥,得到全生物降解吸管;
所述耐热涂料包括丙烯腈15~18%,苯乙烯8~12%,甲基丙烯酸月桂酯4~6%,柠檬酸三丁酯1~1.5%,聚氧乙烯脂肪醇1.5~3%,叔丁基过氧化氢0.3~0.6%,有机硅消泡剂0.15~0.2%,余量为水。
在本发明中,所述挤出造粒的过程中,加料段的温度为125~135℃,混合段的温度为215~225℃,挤出段的温度为225~235℃;
造粒时采用水拉条的方式;水槽的温度为75~80℃。
在本发明中,所述干燥的温度为45~55℃,优选为50℃。
本发明采用以下方法对全生物降解吸管的耐热性进行检测:
将本发明的吸管与普通纸吸管均分别浸泡于80℃和25℃的水中,记录吸管的软化时间。
本发明提供了一种全生物降解吸管,包括吸管基体;和设置在吸管基体表面的耐热涂层;以重量份数计,所述吸管基体的原料包括以下组分:0.5~1份成核剂,30~60份质量比为3:1的聚乙醇酸和PBS树脂混合物,10~15份聚乳酸,5~50份填料,4~10份相容剂和4~25份增塑剂;以质量分数计,所述耐热涂层的原料包括以下组分:丙烯腈15~18%,苯乙烯8~12%,甲基丙烯酸月桂酯4~6%,柠檬酸三丁酯1~1.5%,聚氧乙烯脂肪醇1.5~3%,叔丁基过氧化氢0.3~0.6%,有机硅消泡剂0.15~0.2%,余量为水。本发明提供的全生物降解吸管通过吸管基体和耐热涂层的共同作用,具有优异耐热性。
具体实施方式
为了进一步说明本发明,下面结合实施例对本发明提供的一种全生物降解吸管及其制备方法进行详细地描述,但不能将它们理解为对本发明保护范围的限定。
实施例1
制备吸管基体所需的原料如下:
1份1:1.2的二叉苄山梨醇和云母粉的混合物、60份质量比为3:1的聚乙醇酸和PBS树脂混合物、15份聚乳酸,50份塑化淀粉,10份相容剂纳米碳酸钙和25份蓖麻油;
先用高速混合机将制备吸管基体所需的原料混合1小时,再投入双螺杆中造粒。双螺杆挤出机的长径比至少要达到1:75,同时加料段温度保持在135℃,混合段温度为225℃,挤出段温度保持在235℃;材料采用水拉条的方式进行造粒,水槽温度需要控制在75℃~80℃,成品母粒在80℃环境下烘干2小时之后,采用铝箔包装,抽真空并置于干燥环境中保存;
将上述母粒直接上机,制备得到吸管基体;
将耐热涂料涂布在吸管基体表面,50℃下烘干,得到全生物降解吸管,涂层的厚度为30微米;
所述耐热涂料由以下组分制得:
丙烯腈18%,苯乙烯12%,甲基丙烯酸月桂酯6%,柠檬酸三丁酯1.5%,聚氧乙烯脂肪醇3%,叔丁基过氧化氢0.6%,有机硅消泡剂0.2%,余量为水。
实施例2
制备吸管基体所需的原料如下:
0.5份1:0.8的二叉苄山梨醇和云母粉的混合物、30份质量比为3:1的聚乙醇酸和PBS树脂混合物、10份聚乳酸,5份塑化淀粉,4份相容剂纳米碳酸钙和4份蓖麻油;
先用高速混合机将制备吸管基体所需的原料混合1小时,再投入双螺杆中造粒。双螺杆挤出机的长径比至少要达到1:75,同时加料段温度保持在125℃,混合段温度为215℃,挤出段温度保持在225℃;材料采用水拉条的方式进行造粒,水槽温度需要控制在75℃~80℃,成品母粒在80℃环境下烘干2小时之后,采用铝箔包装,抽真空并置于干燥环境中保存;
将上述母粒直接上机,制备得到吸管基体;
将耐热涂料涂布在吸管基体表面,50℃下烘干,得到全生物降解吸管,涂层的厚度为10微米;
所述耐热涂料由以下组分制得:
丙烯腈15%,苯乙烯8%,甲基丙烯酸月桂酯4%,柠檬酸三丁酯1%,聚氧乙烯脂肪醇1.5%,叔丁基过氧化氢0.3%,有机硅消泡剂0.15%,余量为水。
实施例3
制备吸管基体所需的原料如下:
0.8份1:1的二叉苄山梨醇和云母粉的混合物、45份质量比为3:1的聚乙醇酸和PBS树脂混合物、13份聚乳酸,28份塑化淀粉,7份相容剂纳米碳酸钙和15份蓖麻油;
先用高速混合机将制备吸管基体所需的原料混合1小时,再投入双螺杆中造粒。双螺杆挤出机的长径比至少要达到1:75,同时加料段温度保持在130℃,混合段温度为220℃,挤出段温度保持在230℃;材料采用水拉条的方式进行造粒,水槽温度需要控制在75℃~80℃,成品母粒在80℃环境下烘干2小时之后,采用铝箔包装,抽真空并置于干燥环境中保存;
将上述母粒直接上机,制备得到吸管基体;
将耐热涂料涂布在吸管基体表面,50℃下烘干,得到全生物降解吸管,涂层的厚度为20微米;
所述耐热涂料由以下组分制得:
丙烯腈17%,苯乙烯10%,甲基丙烯酸月桂酯5%,柠檬酸三丁酯1.3%,聚氧乙烯脂肪醇2.3%,叔丁基过氧化氢0.5%,有机硅消泡剂0.18%,余量为水。
对比例
无锡市苏嘉达岭装饰包装有限公司生产的Spuntree品牌纸吸管,尺寸6*197mm。
表1实施例1~3制备的吸管和普通纸吸管的软化时间
由以上实施例可知,本发明提供了一种全生物降解吸管,包括吸管基体;和设置在吸管基体表面的耐热涂层;以重量份数计,所述吸管基体的原料包括以下组分:0.5~1份成核剂,30~60份质量比为3:1的聚乙醇酸和PBS树脂混合物,10~15份聚乳酸,5~50份填料,4~10份相容剂和4~25份增塑剂;以质量分数计,所述耐热涂层的原料包括以下组分:丙烯腈15~18%,苯乙烯8~12%,甲基丙烯酸月桂酯4~6%,柠檬酸三丁酯1~1.5%,聚氧乙烯脂肪醇1.5~3%,叔丁基过氧化氢0.3~0.6%,有机硅消泡剂0.15~0.2%,余量为水。本发明提供的全生物降解吸管通过吸管基体和耐热涂层的共同作用,使其具有优异耐热性。
以上所述仅是本发明的优选实施方式,应当指出,对于本技术领域的普通技术人员来说,在不脱离本发明原理的前提下,还可以做出若干改进和润饰,这些改进和润饰也应视为本发明的保护范围。
Claims (7)
1.一种全生物降解吸管,包括吸管基体;
和设置在吸管基体表面的耐热涂层;
以重量份数计,所述吸管基体的原料包括以下组分:
0.5~1份成核剂,30~60份质量比为3:1的聚乙醇酸和PBS树脂混合物,10~15份聚乳酸,5~50份填料,4~10份相容剂和4~25份增塑剂;
以质量分数计,所述耐热涂层的原料包括以下组分:
丙烯腈15~18%,苯乙烯8~12%,甲基丙烯酸月桂酯4~6%,柠檬酸三丁酯1~1.5%,聚氧乙烯脂肪醇1.5~3%,叔丁基过氧化氢0.3~0.6%,有机硅消泡剂0.15~0.2%,余量为水。
2.根据权利要求1所述的全生物降解吸管,其特征在于,所述聚乙醇酸的重均分子量为30~50万,熔点为225~230℃。
3.根据权利要求1所述的全生物降解吸管,其特征在于,所述成核剂为质量比1:(0.8~1.2)的二叉苄山梨醇和云母粉的混合物。
4.根据权利要求1所述的全生物降解吸管,其特征在于,所述增塑剂为蓖麻油;
所述填料为塑化淀粉;
所述相容剂为纳米碳酸钙。
5.根据权利要求1所述的全生物降解吸管,其特征在于,所述耐热涂层的厚度为10~30微米。
6.一种权利要求1~5任一项所述全生物降解吸管的制备方法,包括以下步骤:
将0.5~1份成核剂,30~60份质量比为3:1的聚乙醇酸和PBS树脂混合物,10~15份聚乳酸,5~50份填料,4~10份相容剂和4~25份增塑剂混合,挤出造粒,烘干,得到吸管基体原料;
将所述吸管基体原料上机,制得吸管基体;
将吸管基体上涂覆耐热涂料,干燥,得到全生物降解吸管;
所述耐热涂料包括丙烯腈15~18%,苯乙烯8~12%,甲基丙烯酸月桂酯4~6%,柠檬酸三丁酯1~1.5%,聚氧乙烯脂肪醇1.5~3%,叔丁基过氧化氢0.3~0.6%,有机硅消泡剂0.15~0.2%,余量为水。
7.根据权利要求6所述的制备方法,其特征在于,所述挤出造粒的过程中,加料段的温度为125~135℃,混合段的温度为215~225℃,挤出段的温度为225~235℃;
造粒时采用水拉条的方式;水槽的温度为75~80℃。
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CN113121888A (zh) * | 2021-04-30 | 2021-07-16 | 宁波大学 | 一种改性热塑性淀粉及其制备方法 |
CN113201172A (zh) * | 2021-05-31 | 2021-08-03 | 咖法科技(上海)有限公司 | 一种咖啡渣可降解冷饮吸管及其制备方法 |
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