CN103819787A - 一种果蔬保鲜包装材料抗菌母粒的制备方法 - Google Patents

一种果蔬保鲜包装材料抗菌母粒的制备方法 Download PDF

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CN103819787A
CN103819787A CN201210466062.2A CN201210466062A CN103819787A CN 103819787 A CN103819787 A CN 103819787A CN 201210466062 A CN201210466062 A CN 201210466062A CN 103819787 A CN103819787 A CN 103819787A
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黄盛�
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WUXI HUANGSHENG PACKING PRODUCTS Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92561—Time, e.g. start, termination, duration or interruption
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
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    • B29C2948/9259—Angular velocity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C2948/00—Indexing scheme relating to extrusion moulding
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    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
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Abstract

本发明公开了一种果蔬保鲜包装材料抗菌母粒的制备方法，所述抗菌母粒以重量百分数计由下列组分组成：纳米蒙脱土12-14%，纳米二氧化钛7-9%，硅烷偶联剂6-8%，氧化聚乙烯蜡6-8%，甘油单硬脂酰酯4-6%，受阻胺类稳定剂3-5%，余量为聚乙烯树脂；所述制备方法为：使用高速混合机将上述物料充分混匀55-65分钟，转速为280-300转/分；然后在双螺杆挤出造粒机上捏合后挤出制成母粒，捏合时间35-45分钟，螺杆温度160-170℃，螺杆转速270-280转/分。

Description

一种果蔬保鲜包装材料抗菌母粒的制备方法
技术领域
本发明涉及包装技术领域，尤其涉及一种果蔬保鲜包装材料抗菌母粒的制备方法。
背景技术
随着人们生活质量的提高、生活节奏的加快，越来越多的家庭选择直接从超市购买带有保鲜包装的果蔬，这为保鲜包装的大力发展提供了有利的条件和契机。近年来，各大中城市也相继建立了净菜加工配送中心，但由于果蔬产品保鲜时间和货架期短，有的仅限当天或隔天食用，商家承担着巨大的市场和经济风险。另外，食品添加剂标准限制向鲜切果蔬中添加化学品，这使得产品包装在维系产品品质上起着至关重要的作用。而目前市场上保鲜包装多以塑料托盘盛装后外覆塑料膜包装或真空包装，前者阻隔性差，产品品质得不到保证，易发生褐变、氧化及失水等；后者会抑制鲜切菜的生理活动，产生酒味等，使鲜切果蔬感官不易被消费者接受。因此，保鲜品质差、货架期短成为独立保鲜包装的果蔬市场推广的瓶颈。
近几年，已有多种用于食品包装的纳米复合膜面市，在啤酒、饮料、果蔬、肉类、奶制品等食品包装工业中也已开始大规模应用，并取得了较好的包装效果。日本开发了以银沸石为母料的全新型无机抗菌剂，既起催化剂作用，同时具有显著的抗菌特性，抗菌效果持续时间长，不会汽化和迁移而对包装物产生影响，加工稳定性高，不会污染环境。
纳米银虽然具有较好的抑菌效果，但其造价较高，毕竟对于保鲜包装材料，仅限于短期一次使用，因此，采用纳米银作为抗菌抑制添加剂导致成本增加，造成了巨大的浪费。
包装材料通常是由抗菌母粒和聚乙烯基体以及其他添加组分一起制备的，因此抗菌母粒的性能直接决定了包装材料的性能。
发明内容
本发明的目的在于提出一种果蔬保鲜包装材料抗菌母粒的制备方法，该母料中不含纳米银，使得由该母粒制备的包装材料可以大幅降低生产成本，同时具备现有技术中添加纳米银的保鲜包装材料的抗菌功能。
为达此目的，本发明采用以下技术方案：
一种果蔬保鲜包装材料抗菌母粒的制备方法，所述抗菌母粒以重量百分数计由下列组分组成：纳米蒙脱土12-14%，纳米二氧化钛7-9%，硅烷偶联剂6-8%，氧化聚乙烯蜡6-8%，甘油单硬脂酰酯4-6%，受阻胺类稳定剂3-5%，余量为聚乙烯树脂；所述制备方法为：使用高速混合机将上述物料充分混匀55-65分钟，转速为280-300转/分；然后在双螺杆挤出造粒机上捏合后挤出制成母粒，捏合时间35-45分钟，螺杆温度160-170℃，螺杆转速270-280转/分。
本发明的有益效果为：
本发明通过纳米蒙脱土和纳米二氧化钛的搭配构成保鲜包装材料抗菌的主要组分，纳米蒙脱土来源广泛，制备工艺简单容易，因此成本低，替代纳米银可以大幅度降低成本，并且和纳米二氧化钛搭配可以起到良好的抗菌作用。
具体实施方式
实施例一
一种果蔬保鲜包装材料抗菌母粒的制备方法，所述抗菌母粒以重量百分数计由下列组分组成：纳米蒙脱土12%，纳米二氧化钛9%，硅烷偶联剂6%，氧化聚乙烯蜡8%，甘油单硬脂酰酯4%，受阻胺类稳定剂5%，余量为聚乙烯树脂；所述制备方法为：使用高速混合机将上述物料充分混匀55分钟，转速为300转/分；然后在双螺杆挤出造粒机上捏合后挤出制成母粒，捏合时间35分钟，螺杆温度170℃，螺杆转速270转/分。
实施例二
一种果蔬保鲜包装材料抗菌母粒的制备方法，所述抗菌母粒以重量百分数计由下列组分组成：纳米蒙脱土14%，纳米二氧化钛7%，硅烷偶联剂8%，氧化聚乙烯蜡6%，甘油单硬脂酰酯6%，受阻胺类稳定剂3%，余量为聚乙烯树脂；所述制备方法为：使用高速混合机将上述物料充分混匀65分钟，转速为280转/分；然后在双螺杆挤出造粒机上捏合后挤出制成母粒，捏合时间45分钟，螺杆温度160℃，螺杆转速280转/分。
实施例三
一种果蔬保鲜包装材料抗菌母粒的制备方法，所述抗菌母粒以重量百分数计由下列组分组成：纳米蒙脱土13%，纳米二氧化钛8%，硅烷偶联剂7%，氧化聚乙烯蜡7%，甘油单硬脂酰酯5%，受阻胺类稳定剂4%，余量为聚乙烯树脂；所述制备方法为：使用高速混合机将上述物料充分混匀60分钟，转速为290转/分；然后在双螺杆挤出造粒机上捏合后挤出制成母粒，捏合时间40分钟，螺杆温度165℃，螺杆转速275转/分。

Claims (1)

1.一种果蔬保鲜包装材料抗菌母粒的制备方法，其特征在于，所述抗菌母粒以重量百分数计由下列组分组成：纳米蒙脱土12-14%，纳米二氧化钛7-9%，硅烷偶联剂6-8%，氧化聚乙烯蜡6-8%，甘油单硬脂酰酯4-6%，受阻胺类稳定剂3-5%，余量为聚乙烯树脂；所述制备方法为：使用高速混合机将上述物料充分混匀55-65分钟，转速为280-300转/分；然后在双螺杆挤出造粒机上捏合后挤出制成母粒，捏合时间35-45分钟，螺杆温度160-170℃，螺杆转速270-280转/分。
CN201210466062.2A 2012-11-16 2012-11-16 一种果蔬保鲜包装材料抗菌母粒的制备方法 Pending CN103819787A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109370029A (zh) * 2018-09-21 2019-02-22 黄国飞 一种纳米抗菌复合型塑料母粒及其制备方法
WO2022207799A1 (en) * 2021-03-31 2022-10-06 Sabic Global Technologies B.V. Polyolefin composition having improved antibacterial and antiviral properties.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109370029A (zh) * 2018-09-21 2019-02-22 黄国飞 一种纳米抗菌复合型塑料母粒及其制备方法
WO2022207799A1 (en) * 2021-03-31 2022-10-06 Sabic Global Technologies B.V. Polyolefin composition having improved antibacterial and antiviral properties.

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