CN107474457A - 一种环保型电子防震包装材料的制备方法 - Google Patents
一种环保型电子防震包装材料的制备方法 Download PDFInfo
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Abstract
本发明提供了一种环保型电子防震包装材料的制备方法,包括以下步骤:(1)将聚乙酸乙烯酯和乙醇混合搅拌;(2)将羧甲基纤维素钠、魔芋粉、磷酸酯淀粉、超细旦纤维、蕉麻纤维和蒸馏水混合,加热至60‑80℃,高速剪切10‑20分钟;(3)将上述成分混合,加入碳酸氢钠、十二烷基硫酸钠、环氧大豆油、柠檬酸三丁酯、磷脂酰乙醇胺、山梨酸钾和丙三醇搅拌;(4)倒入模具中进行预压后经冷压机进行冷压;(5)干燥后放入热压机中热压成型;(6)放入冷压机中进行冷压定型。本方法所制备的环保型电子防震包装材料缓冲系数小,缓冲性能卓越,弹性佳,同时原材料均采用天然可降解无毒原料,环保无污染。
Description
技术领域
本发明涉及一种环保型电子防震包装材料的制备方法。
背景技术
防震包装材料又称为缓冲包装材料,在包装材料中占有重要的地位,主要是为了防止产品遭受损坏,减小外力的影响所采用的包装材料。随着经济和科技的飞速发展,电子产业也得到了巨大的进步,产量也达到了空前的巨大,而目前用于电子产品的防震包装材料主要为发泡聚苯乙烯,但是聚苯乙烯降解能力非常差,会造成严重的环境污染,如果对其进行回收,则需要耗费大量的人力物力。因此,研究开发一种环保型的缓冲效果好、弹性佳的电子防震包装材料来代替目前广泛使用的聚苯乙烯发泡材料,对实现可持续发展具有重要的意义,同时具有广阔的市场前景。
发明内容
要解决的技术问题:本发明的目的是提供一种环保型电子防震包装材料的制备方法,所制备的材料缓冲系数小,缓冲性能卓越,弹性佳,同时原材料均采用天然可降解无毒原料,环保无污染。
技术方案:一种环保型电子防震包装材料的制备方法,包括以下步骤:
(1) 将20-50份聚乙酸乙烯酯和50-90份乙醇混合,用磁力搅拌机在转速100-200r/min下搅拌10-20分钟;
(2) 将10-15份羧甲基纤维素钠、20-30份魔芋粉、30-40份磷酸酯淀粉、5-10份超细旦纤维、2-5份蕉麻纤维和80-150份蒸馏水混合,加热至60-80℃,高速剪切10-20分钟;
(3) 将上述成分混合,加入1-3份碳酸氢钠、4-8份十二烷基硫酸钠、5-10份环氧大豆油、2-5份柠檬酸三丁酯、1-2份磷脂酰乙醇胺、0.1-0.3份山梨酸钾和20-40份丙三醇,用搅拌机在转速400-600r/min下搅拌10-30分钟;
(4) 倒入模具中进行预压后经冷压机在压力为10-20MPa下进行冷压,保压30-60分钟;
(5) 干燥后放入热压机中在温度180-200℃,压力2-5MPa下热压成型;
(6) 放入冷压机中进行冷压定型。
进一步优选的,步骤(1)中转速为150r/min,搅拌时间为15分钟。
进一步优选的,步骤(2)中加热至65-75℃,剪切时间为15分钟。
进一步优选的,步骤(3)中转速为450-550r/min,搅拌时间为15-25分钟。
进一步优选的,步骤(4)中压力为15MPa,保压时间为40-50分钟。
进一步优选的,步骤(5)中温度为190℃,压力为3-4MPa。
有益效果:本发明所制备的环保型电子防震包装材料的密度范围在0.836-0.854g/cm3之间,缓冲系数最小可低至2.4kg/cm2,缓冲性能卓越,同时其最大回弹率可达到95.9%,弹性佳,另外,本发明原材料均采用天然可降解无毒原料,环保无污染。
具体实施方式
实施例1
一种环保型电子防震包装材料的制备方法,包括以下步骤:
(1) 将20份聚乙酸乙烯酯和50份乙醇混合,用磁力搅拌机在转速100r/min下搅拌10分钟;
(2) 将10份羧甲基纤维素钠、20份魔芋粉、30份磷酸酯淀粉、5份超细旦纤维、2份蕉麻纤维和80份蒸馏水混合,加热至60℃,高速剪切10分钟;
(3) 将上述成分混合,加入1份碳酸氢钠、4份十二烷基硫酸钠、5份环氧大豆油、2份柠檬酸三丁酯、1份磷脂酰乙醇胺、0.1份山梨酸钾和20份丙三醇,用搅拌机在转速400r/min下搅拌10分钟;
(4) 倒入模具中进行预压后经冷压机在压力为10MPa下进行冷压,保压30分钟;
(5) 干燥后放入热压机中在温度180℃,压力2MPa下热压成型;
(6) 放入冷压机中进行冷压定型。
实施例2
一种环保型电子防震包装材料的制备方法,包括以下步骤:
(1) 将30份聚乙酸乙烯酯和60份乙醇混合,用磁力搅拌机在转速120r/min下搅拌15分钟;
(2) 将11份羧甲基纤维素钠、22份魔芋粉、32份磷酸酯淀粉、6份超细旦纤维、3份蕉麻纤维和100份蒸馏水混合,加热至65℃,高速剪切15分钟;
(3) 将上述成分混合,加入1.5份碳酸氢钠、5份十二烷基硫酸钠、6份环氧大豆油、3份柠檬酸三丁酯、1.5份磷脂酰乙醇胺、0.15份山梨酸钾和25份丙三醇,用搅拌机在转速450r/min下搅拌15分钟;
(4) 倒入模具中进行预压后经冷压机在压力为15MPa下进行冷压,保压40分钟;
(5) 干燥后放入热压机中在温度185℃,压力3MPa下热压成型;
(6) 放入冷压机中进行冷压定型。
实施例3
一种环保型电子防震包装材料的制备方法,包括以下步骤:
(1) 将35份聚乙酸乙烯酯和70份乙醇混合,用磁力搅拌机在转速150r/min下搅拌15分钟;
(2) 将12.5份羧甲基纤维素钠、25份魔芋粉、35份磷酸酯淀粉、7.5份超细旦纤维、3.5份蕉麻纤维和115份蒸馏水混合,加热至70℃,高速剪切15分钟;
(3) 将上述成分混合,加入2份碳酸氢钠、6份十二烷基硫酸钠、7.5份环氧大豆油、3.5份柠檬酸三丁酯、1.5份磷脂酰乙醇胺、0.2份山梨酸钾和30份丙三醇,用搅拌机在转速500r/min下搅拌20分钟;
(4) 倒入模具中进行预压后经冷压机在压力为15MPa下进行冷压,保压45分钟;
(5) 干燥后放入热压机中在温度190℃,压力3MPa下热压成型;
(6) 放入冷压机中进行冷压定型。
实施例4
一种环保型电子防震包装材料的制备方法,包括以下步骤:
(1) 将40份聚乙酸乙烯酯和80份乙醇混合,用磁力搅拌机在转速150r/min下搅拌15分钟;
(2) 将14份羧甲基纤维素钠、28份魔芋粉、37份磷酸酯淀粉、9份超细旦纤维、4份蕉麻纤维和30份蒸馏水混合,加热至75℃,高速剪切18分钟;
(3) 将上述成分混合,加入2.5份碳酸氢钠、7份十二烷基硫酸钠、9份环氧大豆油、4份柠檬酸三丁酯、1.8份磷脂酰乙醇胺、0.25份山梨酸钾和35份丙三醇,用搅拌机在转速550r/min下搅拌25分钟;
(4) 倒入模具中进行预压后经冷压机在压力为18MPa下进行冷压,保压50分钟;
(5) 干燥后放入热压机中在温度195℃,压力4MPa下热压成型;
(6) 放入冷压机中进行冷压定型。
实施例5
一种环保型电子防震包装材料的制备方法,包括以下步骤:
(1) 将50份聚乙酸乙烯酯和90份乙醇混合,用磁力搅拌机在转速200r/min下搅拌20分钟;
(2) 将15份羧甲基纤维素钠、30份魔芋粉、40份磷酸酯淀粉、10份超细旦纤维、5份蕉麻纤维和150份蒸馏水混合,加热至80℃,高速剪切20分钟;
(3) 将上述成分混合,加入3份碳酸氢钠、8份十二烷基硫酸钠、10份环氧大豆油、5份柠檬酸三丁酯、2份磷脂酰乙醇胺、0.3份山梨酸钾和40份丙三醇,用搅拌机在转速600r/min下搅拌30分钟;
(4) 倒入模具中进行预压后经冷压机在压力为20MPa下进行冷压,保压60分钟;
(5) 干燥后放入热压机中在温度200℃,压力5MPa下热压成型;
(6) 放入冷压机中进行冷压定型。
对比例1
一种环保型电子防震包装材料的制备方法,包括以下步骤:
(1) 将30份聚乙酸乙烯酯和60份乙醇混合,用磁力搅拌机在转速120r/min下搅拌15分钟;
(2) 将11份羧甲基纤维素钠、22份魔芋粉、32份磷酸酯淀粉、9份蕉麻纤维和100份蒸馏水混合,加热至65℃,高速剪切15分钟;
(3) 将上述成分混合,加入1.5份碳酸氢钠、5份十二烷基硫酸钠、6份环氧大豆油、3份柠檬酸三丁酯、1.5份磷脂酰乙醇胺、0.15份山梨酸钾和25份丙三醇,用搅拌机在转速450r/min下搅拌15分钟;
(4) 倒入模具中进行预压后经冷压机在压力为15MPa下进行冷压,保压40分钟;
(5) 干燥后放入热压机中在温度185℃,压力3MPa下热压成型;
(6) 放入冷压机中进行冷压定型。
对比例2
一种环保型电子防震包装材料的制备方法,包括以下步骤:
(1) 将30份聚乙酸乙烯酯和60份乙醇混合,用磁力搅拌机在转速120r/min下搅拌15分钟;
(2) 将33份魔芋粉、32份磷酸酯淀粉、6份超细旦纤维、3份蕉麻纤维和100份蒸馏水混合,加热至65℃,高速剪切15分钟;
(3) 将上述成分混合,加入1.5份碳酸氢钠、5份十二烷基硫酸钠、6份环氧大豆油、3份柠檬酸三丁酯、1.5份磷脂酰乙醇胺、0.15份山梨酸钾和25份丙三醇,用搅拌机在转速450r/min下搅拌15分钟;
(4) 倒入模具中进行预压后经冷压机在压力为15MPa下进行冷压,保压40分钟;
(5) 干燥后放入热压机中在温度185℃,压力3MPa下热压成型;
(6) 放入冷压机中进行冷压定型。
表观密度的测定采用GB/T 6343-2009进行测定。
缓冲性能测定采用GB/T 8168-2008进行测定。
回弹率的测定采用抗压试验机以(12±3)mm/min的速度沿试样厚度方向进行加载,待变形50%时,保持压力3min,卸载,放置10s后用游标卡尺测量其厚度,重复压缩3次,重复压缩时间间隔1min,计算每次回弹率。
本发明所制备的环保型电子防震包装材料的部分性能指标见下表,我们可以看到其密度范围在0.836-0.854g/cm3之间,缓冲系数最小可低至2.4kg/cm2,缓冲性能卓越,同时其最大回弹率可达到95.9%,弹性佳,另外,本发明原材料均采用天然可降解无毒原料,环保无污染。
表1 环保型电子防震包装材料的部分性能指标
表观密度(g/cm3) | 缓冲系数(kg/cm2) | 最大回弹率(%) | |
实施例1 | 0.840 | 2.6 | 94.3 |
实施例2 | 0.847 | 2.5 | 94.8 |
实施例3 | 0.848 | 2.5 | 95.5 |
实施例4 | 0.836 | 2.4 | 95.9 |
实施例5 | 0.854 | 2.5 | 95.3 |
对比例1 | 0.853 | 2.9 | 93.6 |
对比例2 | 0.847 | 2.8 | 92.1 |
Claims (6)
1.一种环保型电子防震包装材料的制备方法,其特征在于:包括以下步骤:
(1) 将20-50份聚乙酸乙烯酯和50-90份乙醇混合,用磁力搅拌机在转速100-200r/min下搅拌10-20分钟;
(2) 将10-15份羧甲基纤维素钠、20-30份魔芋粉、30-40份磷酸酯淀粉、5-10份超细旦纤维、2-5份蕉麻纤维和80-150份蒸馏水混合,加热至60-80℃,高速剪切10-20分钟;
(3) 将上述成分混合,加入1-3份碳酸氢钠、4-8份十二烷基硫酸钠、5-10份环氧大豆油、2-5份柠檬酸三丁酯、1-2份磷脂酰乙醇胺、0.1-0.3份山梨酸钾和20-40份丙三醇,用搅拌机在转速400-600r/min下搅拌10-30分钟;
(4) 倒入模具中进行预压后经冷压机在压力为10-20MPa下进行冷压,保压30-60分钟;
(5) 干燥后放入热压机中在温度180-200℃,压力2-5MPa下热压成型;
(6) 放入冷压机中进行冷压定型。
2.根据权利要求1所述的一种环保型电子防震包装材料的制备方法,其特征在于,所述的步骤(1)中转速为150r/min,搅拌时间为15分钟。
3.根据权利要求1所述的一种环保型电子防震包装材料的制备方法,其特征在于,所述的步骤(2)中加热至65-75℃,剪切时间为15分钟。
4.根据权利要求1所述的一种环保型电子防震包装材料的制备方法,其特征在于,所述的步骤(3)中转速为450-550r/min,搅拌时间为15-25分钟。
5.根据权利要求1所述的一种环保型电子防震包装材料的制备方法,其特征在于,所述的步骤(4)中压力为15MPa,保压时间为40-50分钟。
6.根据权利要求1所述的一种环保型电子防震包装材料的制备方法,其特征在于,所述的步骤(5)中温度为190℃,压力为3-4MPa。
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CN105694114A (zh) * | 2016-03-22 | 2016-06-22 | 苏州捷德瑞精密机械有限公司 | 一种新型电子缓冲包装材料及其制备方法 |
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