CN116162333A - 可生物降解注射器专用料及采用其制备注射器的方法 - Google Patents
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Abstract
本发明属于生物降解材料技术领域,具体涉及一种可生物降解注射器专用料及采用其制备注射器的方法。所述的可生物降解注射器专用料,由PBS、抗氧剂1010、防水解助剂、光稳定剂944、气相二氧化硅、爽滑剂和交联剂制成;制备方法为:1)母料的制备;2)专用料的制备;3)注射器的生产:采用注塑机注塑成型,注塑机温度:150‑160‑170‑180‑170‑170℃,模具温度60℃。采用本发明专用料制备的注射器强度高,透明度好,可完全生物降解,满足一次性使用注射器的要求;其制备方法,科学合理、简单易行,适合工业化生产。
Description
技术领域
本发明属于生物降解材料技术领域,具体涉及一种可生物降解注射器专用料及采用其制备注射器的方法。
背景技术
一次性使用注射器由外套、芯杆、胶塞、锥头、按手及锥头等组成。产品适用范围与一次性使用注射针配套用于皮下、肌肉、静脉注射药液、抽血或溶药。
目前,一次性使用注射器大多使用聚丙烯材料制成,具有优越的刚性与抗冲击性平衡最低扭曲性,良好的低温耐冲击性。但是,该材料不能降解,只能作为医疗垃圾进行处理,严重污染环境。此外,有可能会导致二次使用(滥用),存在一定的安全隐患,乙肝、艾滋病等疾病传播很大部分是由注射器的交叉滥用引起的。
发明内容
针对现有技术的不足,本发明的目的是提供一种可生物降解注射器专用料,采用该专用料制备的注射器,强度高,透明度好,可完全生物降解,满足一次性使用注射器的要求;本发明还提供采用其制备注射器的方法,科学合理、简单易行,适合工业化生产。
本发明所述的可生物降解注射器专用料可用于一次性使用注射器胶塞以外的部分。
本发明所述的可生物降解注射器专用料,由如下重量份数的原料制成:
其中:
所述的防水解助剂为聚碳化二亚胺,其分子量为5万-30万。
所述的气相二氧化硅的粒度在2000目以上。
所述的爽滑剂为芥酸酰胺。
所述的交联剂为多环氧基团的环氧树脂,环氧基团数量为5-8。可以是德国BSF的ADR4370。
采用所述的可生物降解注射器专用料制备注射器的方法,包括以下步骤:
1)母料的制备:将10-20份的PBS、抗氧剂1010、防水解助剂、光稳定剂944、气相二氧化硅、爽滑剂和交联剂在搅拌机中混合均匀,然后在双螺杆挤出机中熔融、塑化造粒形成母料,生产温度为130-180℃;
2)专用料的制备:将步骤1)制备的母料与剩余的PBS混合均匀,然后在双螺杆挤出机中熔融、塑化造粒形成专用料,生产温度130-180℃;
3)注射器的生产:
采用注塑机180℃下注塑成型,注塑机温度:150-160-170-180-170-170℃,模具温度60℃。
与现有技术相比,本发明的有益效果如下:
1、本发明制备的注射器可完全生物降解,符合大趋势。
2、本发明的注射器材料不能回收使用,杜绝二次利用,防止医疗垃圾的扩散,本质上解决医疗垃圾滥用、污染。用完后,不能回收。注射过程中含水,接触水后即发生分解,不能二次利用。
3、采用本发明专用料制备的注射器强度高,透明度好。
4、本发明所述的制备方法,科学合理、简单易行,适合工业化生产。
附图说明
图1是本发明实施例1制备的注射器的红外光谱图。
具体实施方式
下面结合实施例对本发明做进一步说明,但本发明的保护范围不仅限于此。
实施例中用到的所有原料除特殊说明外,均为市购。
实施例中采用原料:
所述的PBS采用新疆蓝山屯河科技股份有限公司市售产品。
所述的聚碳化二亚胺采用抗水解剂s-9000。
所述的气相二氧化硅采用德固赛气相法二氧化硅。
所述的交联剂为德国BSF的ADR4370。
实施例1
所述的可生物降解注射器专用料,由如下重量份数的原料制成:
其制备方法,具体步骤如下:
1)母料的制备:将15份的PBS、抗氧剂1010、聚碳化二亚胺、光稳定剂944、气相二氧化硅、芥酸酰胺和交联剂在搅拌机中混合均匀,然后在双螺杆挤出机中熔融、塑化造粒形成母料,生产温度为130、130、140、150、150、150、160、170、180、180、170、160℃。
2)专用料的制备:将步骤1)制备的母料与剩余的PBS混合均匀,然后在双螺杆挤出机中熔融、塑化造粒形成专用料,生产温度130、130、140、150、150、150、160、170、180、180、170、160℃。
3)注射器的生产:
采用注塑机180℃下注塑成型,注塑机温度:150-160-170-180-170-170℃,模具温度60℃。
实施例2
所述的可生物降解注射器专用料,由如下重量份数的原料制成:
其制备方法,具体步骤如下:
1)母料的制备:将10份的PBS、抗氧剂1010、聚碳化二亚胺、光稳定剂944、气相二氧化硅、芥酸酰胺和交联剂在搅拌机中混合均匀,然后在双螺杆挤出机中熔融、塑化造粒形成母料,生产温度为130、130、140、140、150、150、160、170、180、180、170、160℃。
2)专用料的制备:将步骤1)制备的母料与剩余的PBS混合均匀,然后在双螺杆挤出机中熔融、塑化造粒形成专用料,生产温度130、130、140、140、150、150、160、170、180、180、170、160℃。
3)注射器的生产:
采用注塑机180℃下注塑成型,注塑机温度:150-160-170-180-170-170℃,模具温度60℃。
实施例3
所述的可生物降解注射器专用料,由如下重量份数的原料制成:
其制备方法,具体步骤如下:
1)母料的制备:将20份的PBS、抗氧剂1010、聚碳化二亚胺、光稳定剂944、气相二氧化硅、芥酸酰胺和交联剂在搅拌机中混合均匀,然后在双螺杆挤出机中熔融、塑化造粒形成母料,生产温度为130、130、140、140、150、160、160、170、180、180、170、160℃。
2)专用料的制备:将步骤1)制备的母料与剩余的PBS混合均匀,然后在双螺杆挤出机中熔融、塑化造粒形成专用料,生产温度130、130、140、140、150、160、160、170、180、180、170、160℃。
3)注射器的生产:
采用注塑机180℃下注塑成型,注塑机温度:150-160-170-180-170-170℃,模具温度60℃。
对比例1
市售聚丙烯注射器。
对实施例1-3与对比例1制备的注射器专用料进行性能测试,测试结果见表1。
表1测试结果
上表中涉及的检测,检测标准如下:
拉伸强度采用GB/T 1040-2018。
相对生物分解率采用GB/T 20197-2006。
Claims (6)
2.根据权利要求1所述的可生物降解注射器专用料,其特征在于:防水解助剂为聚碳化二亚胺,其分子量为5万-30万。
3.根据权利要求1所述的可生物降解注射器专用料,其特征在于:气相二氧化硅的粒度在2000目以上。
4.根据权利要求1所述的可生物降解注射器专用料,其特征在于:爽滑剂为芥酸酰胺。
5.根据权利要求1所述的可生物降解注射器专用料,其特征在于:交联剂为多环氧基团的环氧树脂,环氧基团数量为5-8。
6.一种采用权利要求1-5任一所述的可生物降解注射器专用料制备注射器的方法,其特征在于:包括以下步骤:
1)母料的制备:将10-20份的PBS、抗氧剂1010、防水解助剂、光稳定剂944、气相二氧化硅、爽滑剂和交联剂在搅拌机中混合均匀,然后在双螺杆挤出机中熔融、塑化造粒形成母料,生产温度为130-180℃;
2)专用料的制备:将步骤1)制备的母料与剩余的PBS混合均匀,然后在双螺杆挤出机中熔融、塑化造粒形成专用料,生产温度130-180℃;
3)注射器的生产:
采用注塑机180℃下注塑成型,注塑机温度:150-160-170-180-170-170℃,模具温度60℃。
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