CN103642112A - 一种抑菌复合塑料薄膜及其制备方法 - Google Patents
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Abstract
本发明涉及一种抑菌复合塑料薄膜及其制备方法，它是由下述重量份数的物质制成：塑料40-60份、抗氧化剂10-15份、聚对苯二甲酸丁二醇酯5-20份、抑菌复合物25-30份，氧化铁5-15份，1,4-丁烯二醇5-10份。本发明燃烧释放烟气少，使用寿命长，较广泛的应用于建筑、室内装潢等领域。
Description
技术领域
本发明涉及高分子材料技术领域，尤其涉及一种抑菌复合塑料薄膜及其制备方法。
背景技术
随着工业的不断发展，塑料得到越来越广泛的应用。聚乙烯、聚丙烯、PTT聚酯、ABS等等大量使用在节水灌溉、建筑、室内装潢、家具、电力、运输等行业。但是塑料中的碳、氢两种元素含量很高，所以极容易燃烧，因而限制了塑料的使用。一般使用塑料时都需进行阻燃处理。目前阻燃主要以外添加阻燃剂为主。采用外添加阻燃剂方式对材料进行阻燃处理， 其阻燃效率高，技术成熟，价格便宜，但添加的阻燃剂一般卤素含量较高，燃烧时，塑料受热释放出含卤烟气，具有毒性，会危害人体的健康，甚至造成人员死亡；阻燃剂添加量大，对材料本身的后期加工影响较大，且阻燃剂易析出不能长久保持阻燃性，缩短了使用寿命。
发明内容
为了实现本发明的目的，本发明提供一种抑菌复合塑料薄膜，其特征在于：它是由下述重量份数的物质制成：塑料40-60份、抗氧化剂 10-15份、聚对苯二甲酸丁二醇酯5-20份、氧化铁5-15份，1,4-丁烯二醇5-10份、抑菌复合物 20-25份;所述的抑菌复合物的制备方法为：将黄顶菊、飞机草、五爪金龙、胜红蓟、高良姜、大蒜、香芹、水按照20-25：15-20：10-15 ：10-15：8-10：8-10： 5-7：10-20的质量份数配比混合，加入（10份的活力单位为100U）的纤维素酶进行酶解，酶解反应温度为30℃，酶解反应时间为1小时，过滤得到中草药液；去渣后再加入浓度为50%～70%的乙醇水溶液，再将固液混合物超声波辅助提取，超声波提取条件：超声温度为45～56℃、超声频率为20～30kHz、超声提取时间为1～2个小时，然后将固液混合物在20～30kPa真空条件下抽滤，取滤液在15～25kPa真空、45～50℃条件下减压蒸馏得抑菌复合物。
抗氧化剂为酚类，包括：单酚、双酚、多酚、对苯二酚、二苯胺、对苯二胺中的一种或几种。
所述塑料为高压低密度聚乙烯、低压高密度聚乙烯、高低压复合聚乙烯、乙烯- 醋酸乙烯共聚物中的一种或几种。
所述改性纳米塑料中还包括氧化锑5-8份。
所述改性纳米塑料中还包括硼酸锌5-8份。
所述的一种抑菌复合塑料薄膜的制备方法，其特征在于：其步骤为：
称重，将各成分按照比例称量好；
搅拌，把上述各成分放入在40-60℃下真空搅拌10-30分钟；
混合，将上述混合好的各成分在双辊开炼机上熔融混合，温度为120-160℃；
成型，采用塑料吹膜机挤出吹膜，即得产品；
所述的吹膜机料筒后段温度分四段控制，分别控制在180～200℃，料筒前段温度分四段控制，分别控制在210～230℃，机头温度分两段控制，分别控制在220～240℃，吹胀比为1.5～2.0，螺杆转速20～40r/min，牵引速度10～50m/min。
有益效果：本发明采用的组分混合后，能够较好的阻燃，而且受热放出烟气较少，对人体损害小；阻燃剂不易析出，使用寿命长。具有杀菌效果的薄膜材料、绿色环保并且具有抑菌效果；对人、畜无害。另外，本发明配方合理，制备方法简单。
具体实施方式
下面结合具体实施方式对本发明作进一步详细的描述：
实施例1：
一种抑菌复合塑料薄膜，其特征在于：它是由下述重量份数的物质制成：塑料40 份、抗氧化剂 10 份、聚对苯二甲酸丁二醇酯5 份、氧化铁5 份，1,4-丁烯二醇5 份、抑菌复合物 20 份;所述的抑菌复合物的制备方法为：将黄顶菊、飞机草、五爪金龙、胜红蓟、高良姜、大蒜、香芹、水按照20-25：15-20：10-15 ：10-15：8-10：8-10： 5-7：10-20的质量份数配比混合，加入（10份的活力单位为100U）的纤维素酶进行酶解，酶解反应温度为30℃，酶解反应时间为1小时，过滤得到中草药液；去渣后再加入浓度为50%～70%的乙醇水溶液，再将固液混合物超声波辅助提取，超声波提取条件：超声温度为45～56℃、超声频率为20～30kHz、超声提取时间为1～2个小时，然后将固液混合物在20～30kPa真空条件下抽滤，取滤液在15～25kPa真空、45～50℃条件下减压蒸馏得抑菌复合物。
抗氧化剂为酚类，包括：单酚、双酚、多酚、对苯二酚、二苯胺、对苯二胺中的一种或几种。
所述塑料为高压低密度聚乙烯、低压高密度聚乙烯、高低压复合聚乙烯、乙烯- 醋酸乙烯共聚物中的一种或几种。
所述改性纳米塑料中还包括氧化锑5-8份。
所述改性纳米塑料中还包括硼酸锌5-8份。
所述的一种抑菌复合塑料薄膜的制备方法，其特征在于：其步骤为：
称重，将各成分按照比例称量好；
搅拌，把上述各成分放入在40-60℃下真空搅拌10-30分钟；
混合，将上述混合好的各成分在双辊开炼机上熔融混合，温度为120-160℃；
成型，采用塑料吹膜机挤出吹膜，即得产品；
所述的吹膜机料筒后段温度分四段控制，分别控制在180～200℃，料筒前段温度分四段控制，分别控制在210～230℃，机头温度分两段控制，分别控制在220～240℃，吹胀比为1.5～2.0，螺杆转速20～40r/min，牵引速度10～50m/min。.
实施例2：
一种抑菌复合塑料薄膜，其特征在于：它是由下述重量份数的物质制成：塑料 60份、抗氧化剂 15份、聚对苯二甲酸丁二醇酯 20份、氧化铁 15份，1,4-丁烯二醇 10份、抑菌复合物 25份;所述的抑菌复合物的制备方法为：将黄顶菊、飞机草、五爪金龙、胜红蓟、高良姜、大蒜、香芹、水按照20-25：15-20：10-15 ：10-15：8-10：8-10： 5-7：10-20的质量份数配比混合，加入（10份的活力单位为100U）的纤维素酶进行酶解，酶解反应温度为30℃，酶解反应时间为1小时，过滤得到中草药液；去渣后再加入浓度为50%～70%的乙醇水溶液，再将固液混合物超声波辅助提取，超声波提取条件：超声温度为45～56℃、超声频率为20～30kHz、超声提取时间为1～2个小时，然后将固液混合物在20～30kPa真空条件下抽滤，取滤液在15～25kPa真空、45～50℃条件下减压蒸馏得抑菌复合物。
抗氧化剂为酚类，包括：单酚、双酚、多酚、对苯二酚、二苯胺、对苯二胺中的一种或几种。
所述塑料为高压低密度聚乙烯、低压高密度聚乙烯、高低压复合聚乙烯、乙烯- 醋酸乙烯共聚物中的一种或几种。
所述改性纳米塑料中还包括氧化锑5-8份。
所述改性纳米塑料中还包括硼酸锌5-8份。
所述的一种抑菌复合塑料薄膜的制备方法，其特征在于：其步骤为：
称重，将各成分按照比例称量好；
搅拌，把上述各成分放入在40-60℃下真空搅拌10-30分钟；
混合，将上述混合好的各成分在双辊开炼机上熔融混合，温度为120-160℃；
成型，采用塑料吹膜机挤出吹膜，即得产品；
所述的吹膜机料筒后段温度分四段控制，分别控制在180～200℃，料筒前段温度分四段控制，分别控制在210～230℃，机头温度分两段控制，分别控制在220～240℃，吹胀比为1.5～2.0，螺杆转速20～40r/min，牵引速度10～50m/min。
具有杀菌效果的薄膜材料、绿色环保并且具有抑菌效果；对人、畜无害。另外，本发明配方合理，制备方法简单。
以上显示和描述了本发明的基本原理和主要特征和本发明的优点。本行业的技术人员应该了解，本发明不受上述实施例的限制，上述实施例和说明书中描述的只是说明本发明的原理，在不脱离本发明精神和范围的前提下，本发明还会有各种变化和改进，这些变化和改进都落入要求保护的本发明范围内。本发明要求保护范围由所附的权利要求书及其等效物界定。
Claims (6)
1.一种抑菌复合塑料薄膜，其特征在于：它是由下述重量份数的物质制成：塑料40-60份、抗氧化剂 10-15份、聚对苯二甲酸丁二醇酯5-20份、氧化铁5-15份，1,4-丁烯二醇5-10份、抑菌复合物 20-25份;所述的抑菌复合物的制备方法为：将黄顶菊、飞机草、五爪金龙、胜红蓟、高良姜、大蒜、香芹、水按照20-25：15-20：10-15 ：10-15：8-10：8-10： 5-7：10-20的质量份数配比混合，加入（10份的活力单位为100U）的纤维素酶进行酶解，酶解反应温度为30℃，酶解反应时间为1小时，过滤得到中草药液；去渣后再加入浓度为50%～70%的乙醇水溶液，再将固液混合物超声波辅助提取，超声波提取条件：超声温度为45～56℃、超声频率为20～30kHz、超声提取时间为1～2个小时，然后将固液混合物在20～30kPa真空条件下抽滤，取滤液在15～25kPa真空、45～50℃条件下减压蒸馏得抑菌复合物。
2.根据权利要求1所述的改性纳米塑料，其特征在于：抗氧化剂为酚类，包括：单酚、双酚、多酚、对苯二酚、二苯胺、对苯二胺中的一种或几种。
3.根据权利要求3或4所述的改性纳米塑料，其特征在于：所述塑料为高压低密度聚乙烯、低压高密度聚乙烯、高低压复合聚乙烯、乙烯- 醋酸乙烯共聚物中的一种或几种。
4.根据权利要求5所述的改性纳米塑料，其特征在于：所述改性纳米塑料中还包括氧化锑5-8份。
5.根据权利要求5所述的改性纳米塑料，其特征在于：所述改性纳米塑料中还包括硼酸锌5-8份。
6.根据权利要求1所述的一种抑菌复合塑料薄膜的制备方法，其特征在于：其步骤为：
称重，将各成分按照比例称量好；
搅拌，把上述各成分放入在40-60℃下真空搅拌10-30分钟；
混合，将上述混合好的各成分在双辊开炼机上熔融混合，温度为120-160℃；
成型，采用塑料吹膜机挤出吹膜，即得产品；
所述的吹膜机料筒后段温度分四段控制，分别控制在180～200℃，料筒前段温度分四段控制，分别控制在210～230℃，机头温度分两段控制，分别控制在220～240℃，吹胀比为1.5～2.0，螺杆转速20～40r/min，牵引速度10～50m/min。
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