CN106009161A - 具有抗菌功能的农用可降解用膜 - Google Patents

具有抗菌功能的农用可降解用膜 Download PDF

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CN106009161A
CN106009161A CN201610453461.3A CN201610453461A CN106009161A CN 106009161 A CN106009161 A CN 106009161A CN 201610453461 A CN201610453461 A CN 201610453461A CN 106009161 A CN106009161 A CN 106009161A
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film
lubricant
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chitosan
siox
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韩立
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Abstract

具有抗菌功能的农用可降解用膜，所述的农用膜由下述重量份的原料制成：70‑85份可降解塑料母粒、10‑20份聚乙烯、0.1‑0.5份光敏剂、0.1‑0.5份润滑剂，0.1‑5份改性剂，所述改性剂为纳米氧化硅(SiOx)，所述光敏剂为硬脂酸铁，所述润滑剂为硬脂酸锌，所述的分散剂为CH‑1型超分散剂。本发明的有益效果：利用纳米SiOx对壳聚糖进行改性，提高壳聚糖膜的强韧性和抑菌杀虫性、改善透水率和透气性，并将改性后的壳聚糖纳米SiOx复合膜应用于果蔬的采摘前后，使生长期的果蔬得到病虫害防治和采摘后的果蔬得到贮藏保鲜。

Description

具有抗菌功能的农用可降解用膜
技术领域
本发明涉及膜领域，特别涉及具有抗菌功能的农用可降解用膜。
背景技术
壳聚糖(CTS)是一种天然多糖类生物大分子，其中最为引人关注的特性就是成膜性和抗菌防腐作用，这两种独特性质使其广泛应用于农药载体、涂膜保鲜、可食膜载体、生物可降解用膜等领域。但是，由于目的不同而对壳聚糖膜性质和功能具有不同的要求，壳聚糖由于分子结构的特点，其单膜对果蔬涂膜保鲜时，存在保水率较低的缺点，果实易失水焉萎，同时，抗菌防腐也达不到保鲜的要求，难以满足室温下果蔬保水保鲜的要求；当作为农药膜剂型的载体应用时，壳聚糖单膜的机械性能较弱，易龟裂、易破碎。上述壳聚糖的缺陷是其自身的结构和性质所致，拓宽壳聚糖的应用关键在于改善和提高其膜材的抑菌性能、保水率和机械强度。
发明内容
针对现有的技术不足，本发明提供具有抗菌功能的农用可降解用膜。
为了实现上述目的，本发明所采取的技术方案是：具有抗菌功能的农用可降解用膜，其特征在于，所述的农用膜由下述重量份的原料制成：70-85份可降解塑料母粒、10-20份聚乙烯、0.1-0.5份光敏剂、0.1-0.5份润滑剂，0.1-5份改性剂，所述改性剂为纳米氧化硅(SiOx)，所述光敏剂为硬脂酸铁，所述润滑剂为硬脂酸锌，所述的分散剂为 CH-1型超分散剂。
所述的可降解粒子的母粒为聚乙烯、粒径为3～5μm的粗填充物，润滑剂和分散剂。
本发明的有益效果：纳米氧化硅(SiOx)是一种无毒、无味、无污染的白色粉术非金属材料，是目前有机材料改性中应用最为广泛的无机纳米材料之一，其粒子粒径减小至纳米级会产生一系列特殊的效应。因此，利用纳米SiOx对壳聚糖进行改性，提高壳聚糖膜的强韧性和抑菌杀虫性、改善透水率和透气性，并将改性后的壳聚糖纳米SiOx复合膜应用于果蔬的采摘前后，使生长期的果蔬得到病虫害防治和采摘后的果蔬得到贮藏保鲜。
具体实施方式
具有抗菌功能的农用可降解用膜，其特征在于，所述的农用膜由下述重量份的原料制成：70-85份可降解塑料母粒、10-20份聚乙烯、0.1-0.5份光敏剂、0.1-0.5份润滑剂，0.1-5份改性剂，所述改性剂为纳米氧化硅(SiOx)，所述光敏剂为硬脂酸铁，所述润滑剂为硬脂酸锌，所述的分散剂为CH-1型超分散剂。
所述的可降解粒子的母粒为聚乙烯、粒径为3～5μm的粗填充物，润滑剂和分散剂。
本发明的有益效果：纳米氧化硅(SiOx)是一种无毒、无味、无污染的白色粉术非金属材料，是目前有机材料改性中应用最为广泛的无机纳米材料之一，其粒子粒径减小至纳米级会产生一系列特殊的效应。因此，利用纳米SiOx对壳聚糖进行改性，提高壳聚糖膜的强韧性和抑菌杀虫性、改善透水率和透气性，并将改性后的壳聚糖纳米SiOx复合膜应用于果蔬的采摘前后，使生长期的果蔬得到病虫害防治和采摘 后的果蔬得到贮藏保鲜。

Claims (2)

1.具有抗菌功能的农用可降解用膜，其特征在于，所述的农用膜由下述重量份的原料制成：70-85份可降解塑料母粒、10-20份聚乙烯、0.1-0.5份光敏剂、0.1-0.5份润滑剂，0.1-5份改性剂，所述改性剂为纳米氧化硅(SiOx)，所述光敏剂为硬脂酸铁，所述润滑剂为硬脂酸锌，所述的分散剂为CH-1型超分散剂。
2.如权利要求1所述的具有抗菌功能的农用可降解用膜，所述的可降解粒子的母粒为聚乙烯、粒径为3～5μm的粗填充物，润滑剂和分散剂。
CN201610453461.3A 2016-06-08 2016-06-08 具有抗菌功能的农用可降解用膜 Pending CN106009161A (zh)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101831098A (zh) * 2010-04-20 2010-09-15 安徽中诚塑业科技有限公司 一种可降解的农用膜
CN102585340A (zh) * 2012-02-06 2012-07-18 勉县三丰农业科技塑料制品有限公司 一种保温功能塑料棚膜生产方法
CN104448475A (zh) * 2014-11-18 2015-03-25 常熟市天娇塑业有限公司 二氧化钛硬脂酸铁高岭土光-热氧可降解复合聚乙烯薄膜的制备方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101831098A (zh) * 2010-04-20 2010-09-15 安徽中诚塑业科技有限公司 一种可降解的农用膜
CN102585340A (zh) * 2012-02-06 2012-07-18 勉县三丰农业科技塑料制品有限公司 一种保温功能塑料棚膜生产方法
CN104448475A (zh) * 2014-11-18 2015-03-25 常熟市天娇塑业有限公司 二氧化钛硬脂酸铁高岭土光-热氧可降解复合聚乙烯薄膜的制备方法

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
汪晓春: "《新材料产业现状与发展前景》", 31 May 2015, 广东经济出版社 *

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