CN103772822A - 一种聚丙烯抗菌材料及其制备方法 - Google Patents

一种聚丙烯抗菌材料及其制备方法 Download PDF

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CN103772822A
CN103772822A CN201410031838.7A CN201410031838A CN103772822A CN 103772822 A CN103772822 A CN 103772822A CN 201410031838 A CN201410031838 A CN 201410031838A CN 103772822 A CN103772822 A CN 103772822A
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石磊
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Shantou Xinhui Pharmaceutical Packing Material Factory Co., Ltd.
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NANTONG RED STON TECHNOLOGY DEVELOPMENT Co Ltd
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Abstract

本发明属于高分子材料领域，公开了一种聚丙烯抗菌材料的制备方法。该材料由包含以下重量份的组分制成：聚丙烯60-85份、氧化钠10-15份、B2O310-15份、硬脂酸钙10-20份、活性炭3-5份、抗菌剂8-10份、分散剂0.1-2份和偶联剂KH-550 0.1-5份。该材料是上述各原料加入到到高混机中，混合均匀后，加到双螺杆挤出机的料斗中，挤出、造粒。本发明制得的聚丙烯抗菌材料具有良好的抗菌功能，且材料的力学性能、相容性和材料稳定性均良好，可应用于制造各种需要抗菌功能的电器壳体。

Description

一种聚丙烯抗菌材料及其制备方法
技术领域
本发明属于高分子材料领域，特别涉及一种聚丙烯抗菌材料及其制备方法。
背景技术
聚丙烯（PP）无毒、无臭、对水特别稳定，制品表面光泽好，易于着色，具有着良好的力学性能和易加工型，因而广泛应用于电冰箱、空调器、洗衣机、微波炉等各类家电的制造业。
随着社会的发展以及物质生活水平的日益提高，人们对生活、工作环境，尤其是卫生环境的要求越来越高。日常生活中，相当一部分有害细菌是在塑料制品的表面存在并繁殖，电话、洗衣机、电脑、冰箱、电器开关都是传播各种疾病的媒介。随着人们对健康和环保意识的不断增强，对日常生活中接触频繁的家用电器塑料部件提出了“抑菌、杀菌”的需求，这就要求我们生活中使用的各种家电产品具有抗菌防霉的功效。
发明内容
本发明的目的在于提供了一种聚丙烯抗菌材料及其制备方法，本发明制得的聚丙烯抗菌材料具有良好的抗菌功能，且材料的力学性能、相容性和材料稳定性均良好，可应用于制造各种需要抗菌功能的电器壳体。
一种聚丙烯抗菌材料，由包含以下重量份的组分制成：
聚丙烯             60-85份，
氧化钠             10-15份，
B2O3              10-15份，
硬脂酸钙           10-20份，
活性炭              3-5份，
抗菌剂              8-10份，
分散剂              0.1-2份，
偶联剂KH-550       0.1-5份。
所述分散剂为乙撑基双硬脂酰胺。
所述抗菌剂为氧化银与二氧化硅的混合物。
所述抗菌剂中氧化银的质量百分数为10%。
一种聚丙烯抗菌材料的制备方法，该方法包括以下步骤：
（1）聚丙烯60-85份、氧化钠10-15份、B2O310-15份、硬脂酸钙10-20份、活性炭3-5份、抗菌剂8-10份、分散剂0.1-2份和偶联剂KH-550  0.1-5份；
    （2）将称量好的上述原料加入到高混机中，混合均匀后，加到双螺杆挤出机的料斗中，挤出、造粒；
所述双螺杆挤出机的螺杆直径为65mm，螺杆的长径比为40:1，螺杆各区的温度为：第一区140-150℃，第二区160-180℃，第三区190-210℃，第四区220-240℃。
有益效果：
本发明采用聚丙烯作为主体材料，在配方中加入了活性炭和抗菌剂，从而能达到抗菌的效果，为了得到更好的抗菌效果，本发明中加入了氧化钠和B2O3。此外为了使整个共混体系具有良好的相容性、材料的均匀和稳定性，本发明加入了硬脂酸钙、分散剂和偶联剂。
具体实施方式
以下结合实施例对本发明作进一步的说明。
抗菌测试按照QB/T2591-2003A标准进行，并测试了材料对于大肠杆菌和金黄色葡萄球菌的抗菌率。
实施例1
（1）聚丙烯60kg、氧化钠10kg、B2O310 kg、硬脂酸钙10kg、活性炭5 kg、氧化银0.8kg、二氧化硅的混合物7.2kg、乙撑基双硬脂酰胺0.1 kg和偶联剂KH-550  0.1kg；
    （2）将称量好的上述原料加入到高混机中，混合均匀后，加到双螺杆挤出机的料斗中，挤出、造粒；
所述双螺杆挤出机的螺杆直径为65mm，螺杆的长径比为40:1，
螺杆各区的温度为：第一区140℃，第二区160℃，第三区190℃，第四区220℃。
制得材料对大肠杆菌的抗菌率为89.1%，对金黄色葡萄球菌的抗菌率为91.2%。
材料的力学性能测试结果见表1。
实施例2
（1）聚丙烯85kg、氧化钠15 kg、B2O312 kg、硬脂酸钙20 kg、活性炭3kg、氧化银1 kg、二氧化硅的混合物9 kg、乙撑基双硬脂酰胺2 kg和偶联剂KH-550  5kg；
（2）将称量好的上述原料加入到高混机中，混合均匀后，加到双螺杆挤出机的料斗中，挤出、造粒；
所述双螺杆挤出机的螺杆直径为65mm，螺杆的长径比为40:1，
螺杆各区的温度为：第一区150℃，第二区180℃，第三区210℃，第四区240℃。
制得材料对大肠杆菌的抗菌率为80.3%，对金黄色葡萄球菌的抗菌率为79.2%。
材料的力学性能测试结果见表1。
实施例3
（1）聚丙烯70kg、氧化钠10kg、B2O315 kg、硬脂酸钙15 kg、活性炭5 kg、氧化银1 kg、二氧化硅的混合物9 kg、乙撑基双硬脂酰胺1 kg和偶联剂KH-550  2kg；
（2）将称量好的上述原料加入到高混机中，混合均匀后，加到双螺杆挤出机的料斗中，挤出、造粒；
所述双螺杆挤出机的螺杆直径为65mm，螺杆的长径比为40:1，
螺杆各区的温度为：第一区140℃，第二区170℃，第三区200℃，第四区230℃。
制得材料对大肠杆菌的抗菌率为85.8%，对金黄色葡萄球菌的抗菌率为87.4%。
材料的力学性能测试结果见表1。
表1
测试项目 测试标准 实施例1 实施例2 实施例3
拉伸强度（MPa） ASTM D638-2008 55 62 59
弯曲强度（MPa） ASTM D790-2003 62 71 67
上述的对实施例的描述是为便于该技术领域的普通技术人员能理解和应用本发明。熟悉本领域技术的人员显然可以容易地对这些实施例做出各种修改，并把在此说明的一般原理应用到其他实施例中而不必经过创造性的劳动。因此，本发明不限于这里的实施例，本领域技术人员根据本发明的揭示，不脱离本发明范畴所做出的改进和修改都应该在本发明的保护范围之内。

Claims (5)

1. 一种聚丙烯抗菌材料，其特征在于，由包含以下重量份的组分制成：
聚丙烯             60-85份，
氧化钠             10-15份，
B2O3              10-15份，
硬脂酸钙           10-20份，
活性炭              3-5份，
抗菌剂              8-10份，
分散剂              0.1-2份，
偶联剂KH-550       0.1-5份。
2. 根据权利要求1所述的聚丙烯抗菌材料，其特征在于，所述分散剂为乙撑基双硬脂酰胺。
3. 根据权利要求1所述的聚丙烯抗菌材料，其特征在于，所述抗菌剂为氧化银与二氧化硅的混合物。
4. 根据权利要求3所述的聚丙烯抗菌材料，其特征在于，所述抗菌剂中氧化银的质量百分数为10%。
5. 一种聚丙烯抗菌材料的制备方法，其特征在于，该方法包括以下步骤：
（1）聚丙烯60-85份、氧化钠10-15份、B2O310-15份、硬脂酸钙10-20份、活性炭3-5份、抗菌剂8-10份、分散剂0.1-2份和偶联剂KH-550  0.1-5份；
    （2）将称量好的上述原料加入到高混机中，混合均匀后，加到双螺杆挤出机的料斗中，挤出、造粒；
所述双螺杆挤出机的螺杆直径为65mm，螺杆的长径比为40:1，螺杆各区的温度为：第一区140-150℃，第二区160-180℃，第三区190-210℃，第四区220-240℃。
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104774382A (zh) * 2015-03-26 2015-07-15 安徽海纳川塑业科技有限公司 一种含钴、锆的车用聚丙烯复合料
CN104774380A (zh) * 2015-03-26 2015-07-15 安徽海纳川塑业科技有限公司 一种防腐抗冲击聚丙烯复合料
CN106397965A (zh) * 2016-08-26 2017-02-15 常州瑞杰新材料科技股份有限公司 一种抗菌型聚丙烯材料及制备方法
CN106519454A (zh) * 2016-11-29 2017-03-22 南京悠谷知识产权服务有限公司 一种聚丙烯抗菌材料及其制备方法
CN109096602A (zh) * 2018-07-09 2018-12-28 苏州市贝克生物科技有限公司 一种聚丙烯抗菌材料及其制备方法

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CN109096602A (zh) * 2018-07-09 2018-12-28 苏州市贝克生物科技有限公司 一种聚丙烯抗菌材料及其制备方法

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