CN1467240A - 纳米抗菌保鲜塑料薄膜的制备方法及应用 - Google Patents

纳米抗菌保鲜塑料薄膜的制备方法及应用 Download PDF

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CN1467240A
CN1467240A CNA021351880A CN02135188A CN1467240A CN 1467240 A CN1467240 A CN 1467240A CN A021351880 A CNA021351880 A CN A021351880A CN 02135188 A CN02135188 A CN 02135188A CN 1467240 A CN1467240 A CN 1467240A
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plastic film
keeping plastic
antibiotic fresh
nanometer antibiotic
nanometer
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CN1195790C (zh
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杨绵绵
张志焜
叶林忠
崔作林
张青山
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Qingdao Haierke Da Nanotechnology Development Co.,Ltd.
Qingdao Meier Powder Coatings Co ltd
Haier Group Corp
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Qingdao Helko Big Nanotechnology Development Co Ltd
Haier Group Corp
Qingdao Refrigeration Technology Institute
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Abstract

本发明公开了纳米抗菌保鲜薄膜的制备方法：在PE或PS塑料中加入0.5－2％的纳米TiO2粉体(重量百分数)及增韧增强偶联剂，采用混捏法制成纳米抗菌保鲜塑料薄膜母料，然后注塑成型。该薄膜用于包装肉食品、水果、蔬菜等具有抗菌保鲜能力，还能阻挡紫外线进入食品，使得保鲜期延长3倍。

Description

纳米抗菌保鲜塑料薄膜的制备方法及应用
技术领域
本发明涉及到一种纳米抗菌保鲜塑料薄膜的制备技术。该塑料薄膜应用于食品包装可抗菌保鲜，延长保质期。
背景技术
纳米TiO2是光触媒，具有抗菌、消毒、防紫外线功能。本发明就是利用纳米TiO2的这种性质，将其与PE塑料混合制成纳米抗菌保鲜塑料薄膜母料，然后注塑成型。该塑料薄膜应用于食品包装可抗菌保鲜，延长保质期3倍以上。
发明内容
本发明的纳米抗菌保鲜薄膜的制备方法：在PE或PS塑料中加入0.5-2％的纳米TiO2粉体(重量百分数)及增韧增强偶联剂，采用混捏法制成纳米抗菌保鲜塑料薄膜母料，然后注塑成型。
本发明的纳米TiO2粒子直径为30-50纳米，锐钛矿型，不能采用一般的微米纳米混杂的钛白粉替代，否则效果不佳。
所述的塑料：包括PE或PS塑料；
所述的偶联剂可选自：钛酸盐、铝酸盐、硅烷偶联剂；其中钛酸盐优选钛酸酯，铝酸盐优选稀土铝酸酯。偶联剂的用量占塑料总重量的1-3％。
采用常规的制备催化剂载体常用的混捏设备。
本发明采用的纳米TiO2不含Cl-、SO3 2-离子，对于食品包装安全可靠，对于肉食品、香肠、火腿、烤鸭等以及冷冻肉类出口产品、水果、蔬菜等都具有抗菌保鲜能力，还能阻挡紫外线进入食品，使得保鲜期延长3倍。使用该包装材料减少为了阻挡紫外线所加的一层添加碳黑的塑料，节约成本。
具体实施方式
纳米抗菌保鲜塑料薄膜的制备
实施例1：取PE塑料500Kg，加入1％的纳米TiO2粉体(重量百分数)，加入1％(重量百分数)钛酸酯作偶联剂，使用高速混合机混捏，再使用双螺杆挤出机制成母料，使用注塑机注塑成型。
实施例2：取PS塑料1000Kg，加入1％的纳米TiO2粉体(重量百分数)，加入1.2％(重量百分数)稀土铝酸酯作偶联剂，使用高速混合机混捏，再使用双螺杆挤出机制成母料，使用注塑机注塑成型。
实施例3：在得利斯火腿肠包装上的应用
企业原标准：    温度0～4℃    保持15天
                温度15℃      保持10天实验温度：16℃～26℃之间变化；方式：放在灯光或日光下照射5天后，原包装样品明显变色，并有水出现，纳米抗菌保鲜塑料薄膜包装无变化，可以延长保鲜期3倍。

Claims (5)

1.纳米抗菌保鲜塑料薄膜的制备方法：其特征在于，在PE或PS塑料中加入0.5-2％(重量百分数)的纳米TiO2粉体及偶联剂，采用混捏法制成纳米抗菌保鲜塑料薄膜母料，然后注塑成型。
2.根据权利要求1纳米抗菌保鲜塑料薄膜的制备方法，其特征在于，纳米TiO2粒子直径为30-50纳米，锐钛矿型。
3.根据权利要求1纳米抗菌保鲜塑料薄膜的制备方法，其特征在于，所述的偶联剂是：钛酸盐或铝酸盐，其用量占塑料总重量的1-3％。
4.根据权利要求3纳米抗菌保鲜塑料薄膜的制备方法，其特征在于，所述的钛酸盐优选钛酸酯，铝酸盐优选稀土铝酸酯。
5.本发明纳米抗菌保鲜塑料薄膜在肉食品、水果和蔬菜包装上应用。
CNB021351880A 2002-07-11 2002-07-11 纳米抗菌保鲜塑料薄膜的制备方法及应用 Expired - Fee Related CN1195790C (zh)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103044795A (zh) * 2012-12-17 2013-04-17 上海普利特复合材料股份有限公司 一种抗菌透明聚苯乙烯材料及其制备方法
CN103535938A (zh) * 2013-11-11 2014-01-29 镇江苏惠乳胶制品有限公司 一种抗菌手套的制备方法
CN104877218A (zh) * 2015-05-13 2015-09-02 安徽顺彤包装材料有限公司 一种纳米包装材料
CN106397906A (zh) * 2016-08-30 2017-02-15 湖北东方玉扬电子科技有限公司 抗藻数据连接线绝缘层及其制备方法
CN107353483A (zh) * 2017-08-23 2017-11-17 桐城市钰锦塑料包装有限公司 一种塑料薄膜
CN108117657A (zh) * 2018-01-23 2018-06-05 宿州市微腾知识产权运营有限公司 一种光催化溶胶聚苯乙烯薄膜制备方法
CN113308039A (zh) * 2021-05-28 2021-08-27 厦门海洁盛工贸有限公司 一种玩具用抗菌塑料及其制备方法

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103044795A (zh) * 2012-12-17 2013-04-17 上海普利特复合材料股份有限公司 一种抗菌透明聚苯乙烯材料及其制备方法
CN103535938A (zh) * 2013-11-11 2014-01-29 镇江苏惠乳胶制品有限公司 一种抗菌手套的制备方法
CN103535938B (zh) * 2013-11-11 2015-09-16 镇江苏惠乳胶制品有限公司 一种抗菌手套的制备方法
CN104877218A (zh) * 2015-05-13 2015-09-02 安徽顺彤包装材料有限公司 一种纳米包装材料
CN106397906A (zh) * 2016-08-30 2017-02-15 湖北东方玉扬电子科技有限公司 抗藻数据连接线绝缘层及其制备方法
CN107353483A (zh) * 2017-08-23 2017-11-17 桐城市钰锦塑料包装有限公司 一种塑料薄膜
CN108117657A (zh) * 2018-01-23 2018-06-05 宿州市微腾知识产权运营有限公司 一种光催化溶胶聚苯乙烯薄膜制备方法
CN113308039A (zh) * 2021-05-28 2021-08-27 厦门海洁盛工贸有限公司 一种玩具用抗菌塑料及其制备方法
CN113308039B (zh) * 2021-05-28 2024-07-02 兰溪市华悦工贸有限公司 一种玩具用抗菌塑料及其制备方法

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Address after: Haier Industrial Park, 1 Haier Road, Qingdao, Shandong, zip code: 266103

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