CN114481634A - 一种可降解硅橡胶膜及其制备方法 - Google Patents

一种可降解硅橡胶膜及其制备方法 Download PDF

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CN114481634A
CN114481634A CN202210110299.0A CN202210110299A CN114481634A CN 114481634 A CN114481634 A CN 114481634A CN 202210110299 A CN202210110299 A CN 202210110299A CN 114481634 A CN114481634 A CN 114481634A
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silicone rubber
melt
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rubber membrane
blown cloth
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宋季岭
石敏
秦舒浩
龙雪彬
杜西兰
熊一鸣
瞿进
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Guizhou Material Industrial Technology Research Institute
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Abstract

本发明公开了一种可降解硅橡胶膜，包括由生物可降解材料制成的熔喷布层和涂设于所述熔喷布层上的甲基乙烯基硅橡胶层。本发明还提供了一种所述的可降解硅橡胶膜的应用。本发明还提供了一种可降解硅橡胶膜的制备方法。本发明的有益效果：将生物可降解材料采用熔喷工艺制成的熔喷布层，不但具备疏松多孔的特性，而且还具备一定的力学强度，不会影响硅橡胶膜的气调功能；具有氧气/二氧化碳的气体浓度调节作用，可用于生鲜果蔬的保鲜领域；采用生物可降解材料材料与甲基乙烯基硅橡胶制成的硅橡胶膜，熔喷布可自然降解，硅橡胶层老化破碎，不会造成环境污染。

Description

一种可降解硅橡胶膜及其制备方法
【技术领域】
本发明涉及硅橡胶膜技术领域，尤其涉及一种可降解硅橡胶膜及其制备方法。
【背景技术】
在现有的生鲜果蔬保鲜领域，通常会使用到保鲜膜，但是现有的保鲜膜透气性差，无法进行氧气/二氧化碳的气体浓度调节，保鲜效果一般；另外，使用后，也无法在自然环境下经过一定时间自然降解，从而造成白色污染。
【发明内容】
本发明公开了一种可降解硅橡胶膜及其制备方法，其可以解决背景技术中涉及的技术问题。
为实现上述目的，本发明的技术方案为：
一种可降解硅橡胶膜，包括由生物可降解材料制成的熔喷布层和设于所述熔喷布层上的甲基乙烯基硅橡胶层。
作为本发明的一种优选改进，所述生物可降解材料选自聚己二酸/对苯二甲酸丁二酯、聚乳酸以及聚己内酯中的任意一种。
作为本发明的一种优选改进，所述甲基乙烯基硅橡胶层喷涂于所述熔喷布层上。
作为本发明的一种优选改进，所述甲基乙烯基硅橡胶层涂覆于所述熔喷布层上。
本发明还提供了一种可降解硅橡胶膜的制备方法，该制备方法包括如下步骤：
步骤一、将生物可降解材料熔喷制成熔喷布层待用；
步骤二、按一定比例将溶剂、补强剂和甲基乙烯基硅橡胶混合均匀，制成混合溶液，将溶液超声处理10-60分钟，使气泡完全排出；
步骤三、将混合溶液涂设于熔喷布层上，在60-80℃下静置12-24小时，直至溶剂完全挥发；
步骤四、溶剂完全挥发后，进行辐照固化，得到由甲基乙烯基硅橡胶层和熔喷布层复合的可降解硅橡胶膜。
在步骤二中，所述溶剂选自于石油醚、甲苯、二甲苯中的任意一种。
作为本发明的一种优选改进，在步骤二中，所述补强剂选自于活性纳米二氧化硅、炭黑、活性碳酸钙中的一种或几种。
作为本发明的一种优选改进，在步骤四中，所述辐照能量为100keV-1000keV，注量为 5X1013-1X1015e/cm2。
作为本发明的一种优选改进，在步骤二中，溶剂、补强剂和甲基乙烯基硅橡胶的质量比为：(3-5):(0.1-2):1。
作为本发明的一种优选改进，在步骤三中，混合溶液喷涂或者涂覆于所述熔喷布层上。
本发明的有益效果如下：
1、将生物可降解材料采用熔喷工艺制成的熔喷布层，不但具备疏松多孔的特性，而且还具备一定的力学强度，不会影响硅橡胶膜的气调功能；
2、具有氧气/二氧化碳的气体浓度调节作用，可用于生鲜果蔬的保鲜领域；
3、采用生物可降解材料材料与甲基乙烯基硅橡胶制成的硅橡胶膜，可自然降解，不会造成环境污染。
【附图说明】
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图，其中：
图1为本发明提供的可降解硅橡胶膜的结构示意图。
【具体实施方式】
下面将结合本发明实施例对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。
请参阅图1所示，本发明提供一种可降解硅橡胶膜，包括由生物可降解材料制成的熔喷布层1和设于所述熔喷布层1上的甲基乙烯基硅橡胶层2。
所述生物可降解材料选自聚己二酸/对苯二甲酸丁二酯、聚乳酸以及聚己内酯中的任意一种。该生物可降解材料经过熔喷工艺制成熔喷布层，其特点疏松多孔同时具有一定的力学强度，其强度可支撑后续的硅橡胶膜的涂覆；而疏松多孔可以让气体自由通过，不影响硅橡胶膜的气调功能。
所述甲基乙烯基硅橡胶层2喷涂或者涂覆于所述熔喷布层1上，可保证所述甲基乙烯基硅橡胶层2与所述熔喷布层1的结合强度。
本发明还提供了一种可降解硅橡胶膜的制备方法，该制备方法包括如下步骤：
步骤一、将生物可降解材料熔喷制成熔喷布层待用；
步骤二、按一定比例将溶剂、补强剂和甲基乙烯基硅橡胶混合均匀，制成混合溶液，将溶液超声处理10-60分钟，使气泡完全排出；
具体的，溶剂、补强剂和甲基乙烯基硅橡胶的质量比为：(3-5):(0.1-2):1。所述溶剂选自于石油醚、甲苯、二甲苯中的任意一种。所述补强剂选自于活性纳米二氧化硅、炭黑、活性碳酸钙中的一种或几种。
步骤三、将混合溶液涂设于熔喷布层上，在60-80℃下静置12-24小时，直至溶剂完全挥发；
具体的，混合溶液喷涂或者涂覆于所述熔喷布层上。
步骤四、溶剂完全挥发后，进行辐照固化，得到由甲基乙烯基硅橡胶层和熔喷布层复合的可降解硅橡胶膜。
具体的，所述辐照能量为100keV-1000keV，注量为5X1013-1X1015e/cm2。
本发明的有益效果如下：
1、将生物可降解材料采用熔喷工艺制成的熔喷布层，不但具备疏松多孔的特性，而且还具备一定的力学强度，不会影响硅橡胶膜的气调功能；
2、具有氧气/二氧化碳的气体浓度调节作用，可用于生鲜果蔬的保鲜领域，提高保鲜效果，延长保鲜期；
3、采用生物可降解材料与甲基乙烯基硅橡胶制成的硅橡胶膜，基底可自然降解，硅橡胶膜可老化破碎，不会造成环境污染。
尽管本发明的实施方案已公开如上，但并不仅仅限于说明书和实施方案中所列运用，它完全可以被适用于各种适合本发明的领域，对于熟悉本领域的人员而言，可容易地实现另外的修改，因此在不背离权利要求及等同范围所限定的一般概念下，本发明并不限于特定的细节和这里所示出与描述的图例。

Claims (10)

1.一种可降解硅橡胶膜，其特征在于，包括由生物可降解材料制成的熔喷布层和设于所述熔喷布层上的甲基乙烯基硅橡胶层。
2.根据权利要求1所述的一种可降解硅橡胶膜，其特征在于：所述生物可降解材料选自聚己二酸/对苯二甲酸丁二酯、聚乳酸以及聚己内酯中的任意一种。
3.根据权利要求1所述的一种可降解硅橡胶膜，其特征在于：所述甲基乙烯基硅橡胶层喷涂于所述熔喷布层上。
4.根据权利要求1所述的一种可降解硅橡胶膜，其特征在于：所述甲基乙烯基硅橡胶层涂覆于所述熔喷布层上。
5.一种可降解硅橡胶膜的制备方法，其特征在于，该制备方法包括如下步骤：
步骤一、将生物可降解材料熔喷制成熔喷布层待用；
步骤二、按一定比例将溶剂、补强剂和甲基乙烯基硅橡胶混合均匀，制成混合溶液，将溶液超声处理10-60分钟，使气泡完全排出；
步骤三、将混合溶液涂设于熔喷布层上，在60-80℃下静置12-24小时，直至溶剂完全挥发；
步骤四、溶剂完全挥发后，进行辐照固化，得到由甲基乙烯基硅橡胶层和熔喷布层复合的可降解硅橡胶膜。
6.根据权利要求5所述的一种可降解硅橡胶膜的制备方法，其特征在于：在步骤二中，所述溶剂选自于石油醚、甲苯、二甲苯中的任意一种。
7.根据权利要求5所述的一种可降解硅橡胶膜的制备方法，其特征在于：在步骤二中，所述补强剂选自于活性纳米二氧化硅、炭黑、活性碳酸钙中的一种或几种。
8.根据权利要求5所述的一种可降解硅橡胶膜的制备方法，其特征在于：在步骤四中，所述辐照能量为100keV-1000keV，注量为5X1013-1X1015e/cm2。
9.根据权利要求5所述的一种可降解硅橡胶膜的制备方法，其特征在于：在步骤二中，溶剂、补强剂和甲基乙烯基硅橡胶的质量比为：(3-5):(0.1-2):1。
10.根据权利要求5所述的一种可降解硅橡胶膜的制备方法，其特征在于：在步骤三中，混合溶液喷涂或者涂覆于所述熔喷布层上。
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