CN114790280A - 一种可降解的pla材料生产工艺 - Google Patents
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
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- 235000013305 food Nutrition 0.000 abstract description 4
- 239000004626 polylactic acid Substances 0.000 description 8
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- 240000000569 Musa basjoo Species 0.000 description 4
- 235000000139 Musa basjoo Nutrition 0.000 description 4
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- JJTUDXZGHPGLLC-UHFFFAOYSA-N lactide Chemical compound CC1OC(=O)C(C)OC1=O JJTUDXZGHPGLLC-UHFFFAOYSA-N 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 2
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
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Abstract
本发明公开了一种可降解的PLA材料生产工艺,涉及可降解材料生产技术领域。本发明包括芭蕉,破碎机,水盆,过滤网,并按照取材、发酵、中间型产物、聚合、聚合物修饰的流程生产。本发明选用芭蕉作为淀粉的原料,芭蕉相较于其他食物食用价值不高,因此作为生产PLA的原料最为合适,充分的考虑到了原料价值上的问题,十分值得推广。
Description
技术领域
本发明涉及可降解材料生产技术领域,具体涉及一种可降解的PLA材料生产工艺。
背景技术
聚乳酸(PLA)是一种新型的生物基及可再生生物降解材料,使用可再生的植物资源(如玉米、木薯等)所提出的淀粉原料制成。淀粉原料经由糖化得到葡萄糖,再由葡萄糖及一定的菌种发酵制成高纯度的乳酸,再通过化学合成方法合成一定分子量的聚乳酸。其具有良好的生物可降解性,使用后能被自然界中微生物在特定条件下完全降解,最终生成二氧化碳和水,不污染环境,这对保护环境非常有利,是公认的环境友好材料。
但玉米,木薯等食物具有较高的食用价值,使用其作为原材料及其浪费,如何寻找一种可替代的植物十分必要。
发明内容
本发明的目的在于:为解决上述背景技术中的问题,本发明提供了一种可降解的PLA材料生产工艺。
本发明为了实现上述目的具体采用以下技术方案:
一种可降解的PLA材料生产工艺,包括芭蕉,破碎机,水盆,过滤网,并按照取材、发酵、中间型产物、聚合、聚合物修饰的流程生产。
进一步地,所述芭蕉为去皮后的果实。
进一步地,所述水盆用于水浴芭蕉果实,且水浴温度不可高于50℃。
进一步地,所述过滤网用于过滤淀粉外的其他纤维杆。
进一步地,所述破碎机用于破碎芭蕉的果实。
进一步地,所述芭蕉选用八成熟程度的果实。
进一步地,水浴时需恒温水浴,且发酵时需加入催化剂。
进一步地,所述催化剂采用酵母、老面团,且酵母与老面团的配比的3:2。
本发明的有益效果如下:
本发明选用芭蕉作为淀粉的原料,芭蕉相较于其他食物食用价值不高,因此作为生产PLA的原料最为合适,充分的考虑到了原料价值上的问题,十分值得推广。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述。
具体实施例为:按如下操作进行:
1、取材:将八成熟的芭蕉去皮留置果实(选用八成熟的芭蕉的原因的为,熟透的芭蕉有腐坏的部分);
2、发酵:将芭蕉通过破碎机捣碎后放置于水盆中,并采用水浴的方式发酵,发酵温度不高于 50℃,并且发酵时加入酵母与老面团;
3、中间型产物:发酵完成后,将得到的产物浓缩制程,转变成中间型产物——减水乳酸,即丙交酯;
4、聚合:丙交酯单体经过真空净化后,再以一种不使用溶剂的溶解制程来完成开环的动作,使单体聚合;
5、聚合物修饰:将单体聚合后的丙交酯单体进行整形得到需要的产品,例如可降解的饭盒。通过上述步骤得到的PLA材料,可以解决实际问题中获取淀粉的植物食用价值过高的问题,其中图 1为该工艺的流程图。
对所公开的实施例的上述说明,使本领域专业技术人员能够实现或使用本发明。对这些实施例的多种修改对本领域的专业技术人员来说将是显而易见的,本文中所定义的一般原理可以在不脱离本发明的精神或范围的情况下,在其它实施例中实现。因此,本发明将不会被限制于本文所示的这些实施例,而是要符合与本文所公开的原理和新颖特点相一致的最宽的范围。
Claims (8)
1.一种可降解的PLA材料生产工艺,其特征在于,包括芭蕉,破碎机,水盆,过滤网,并按照取材、发酵、中间型产物、聚合、聚合物修饰的流程生产。
2.根据权利要求1所述的一种可降解的PLA材料生产工艺,其特征在于,所述芭蕉为去皮后的果实。
3.根据权利要求1所述的一种可降解的PLA材料生产工艺,其特征在于,所述水盆用于水浴芭蕉果实,且水浴温度不可高于50℃。
4.根据权利要求1所述的一种可降解的PLA材料生产工艺,其特征在于,所述过滤网用于过滤淀粉外的其他纤维杆。
5.根据权利要求1所述的一种可降解的PLA材料生产工艺,其特征在于,所述破碎机用于破碎芭蕉的果实。
6.根据权利要求1所述的一种可降解的PLA材料生产工艺,其特征在于,所述芭蕉选用八成熟程度的果实。
7.根据权利要求1所述的一种可降解的PLA材料生产工艺,其特征在于,水浴时需恒温水浴,且发酵时需加入催化剂。
8.根据权利要求1所述的一种可降解的PLA材料生产工艺,其特征在于,所述催化剂采用酵母、老面团,且酵母与老面团的配比的3:2。
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Citations (2)
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CN101492699A (zh) * | 2009-03-05 | 2009-07-29 | 张永北 | 一种利用香蕉、芭蕉制备燃料乙醇的新方法 |
CN106750199A (zh) * | 2015-11-24 | 2017-05-31 | 高云森 | 一种生产聚乳酸的方法 |
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CN101492699A (zh) * | 2009-03-05 | 2009-07-29 | 张永北 | 一种利用香蕉、芭蕉制备燃料乙醇的新方法 |
CN101532034A (zh) * | 2009-03-05 | 2009-09-16 | 张永北 | 一种利用香蕉、芭蕉制备燃料乙醇的新方法 |
CN106750199A (zh) * | 2015-11-24 | 2017-05-31 | 高云森 | 一种生产聚乳酸的方法 |
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