生物降解颗粒抗水性能的影响规律，得出制备SPI可生物降解材料的佳改性工艺条件为：SPI与四氢呋喃的质量体积比为1:3，并采用正交组合试验设计优化了SPI可生物降解材料的改性条件；在佳条件下所制得的SPI可生物降解材料的拉伸强度为8.61MPa，断裂伸长率为196.78%，吸水率为31.6%。

The optimal modification conditions for preparing SPI biodegradable materials were obtained as follows: the mass volume ratio of SPI to tetrahydrofuran was 1:3, and the modification conditions for SPI biodegradable materials were optimized using orthogonal combination experimental design; The SPI biodegradable material prepared under optimal conditions has a tensile strength of 8.61 MPa, an elongation at break of 196.78%, and a water absorption of 31.6%.

生物降解材料随着人类保护环境意识的提高，石油资源的不断减少，生物降解聚合物取代传统石油基聚合物已经成为发展的趋势。pbat属于热塑性生物降解塑料，是己二酸丁二醇酯和对苯二甲酸丁二醇酯的共聚物，兼具PBA和PBT的特性，既有较好的延展性和断裂伸长率，也有较好的耐热性和冲击性能；此外，还具有优良的生物降解性，是生物降解塑料研究中非常活跃和市场应用好降解材料之一。

With the improvement of human awareness of environmental protection and the continuous reduction of petroleum resources, biodegradable materials have become a development trend to replace traditional petroleum based polymers with biodegradable polymers. PBAT is a thermoplastic biodegradable plastic that is a copolymer of butylene adipate and butylene terephthalate. It combines the characteristics of PBA and PBT, with good ductility and elongation at break, as well as good heat resistance and impact properties; In addition, it also has excellent biodegradability, making it one of the most active biodegradable materials in the research and market application of biodegradable plastics.

1、聚乳酸（PLA）：PLA具备无毒性无刺激性、优良的生物组织相容性、强度高、可加工性好，可生物发生降解等特点，制成的片材、纤维、薄膜历经热成形、纺丝等二次生产加工后普遍问题用以提高包装、纺织品和医疗设施设备等领域，其废弃物可通过影响微生物转化成水和二氧化碳。

1. Poly (lactic acid) (PLA): PLA has the characteristics of non-toxic, non irritating, excellent biocompatibility, high strength, good processability, and biodegradability. After secondary production and processing, such as thermal forming, spinning, and other processes, it is commonly used to improve packaging, textiles, and medical facilities and equipment. Its waste can be converted into water and carbon dioxide by affecting microorganisms.

2、聚羟基脂肪酸酯（PHA）：PHA是由许多不同微生物通过生成的一种具有细胞内聚脂，是一种纯天然的高分子建筑材料作为生物工程材料，同时企业具备这些优良的生物相容性、生物可降解性和塑料的热处理工艺性能，可作为生物医用纳米材料和生物可降解包装设计材料。

2. Polyhydroxy fatty acid ester (PHA): PHA is an intracellular polyester produced by many different microorganisms. It is a pure natural polymer construction material used as a bioengineering material. At the same time, the enterprise has these excellent biocompatibility, biodegradability, and heat treatment process performance of plastics, which can be used as biomedical nanomaterials and biodegradable packaging design materials.

3、聚丁二酸丁二醇酯（PBS）：PBS综合系统性能更加好，性价比是否合理，主要功能用途也是社会普遍，可用以实现包装、餐具、化妆品瓶及药物瓶、一次性医用品、农用薄膜、农药及化肥缓释材料、生物处理医疗高分子结构材料等领域。

3. Poly (butylene succinate) (PBS): PBS comprehensive system has better performance, reasonable cost performance, and its main functional uses are also common in society. It can be used to achieve packaging, tableware, cosmetic and pharmaceutical bottles, disposable medical supplies, agricultural films, pesticide and fertilizer sustained-release materials, biological treatment of medical polymer structural materials, and other fields.

4、聚己内酯（PCL）：PCL除了必须具备热固性塑料易加工的特性外，还有一些生物可降解性、生物相容性、形状温控记忆性等特性，主要运用为可控释药物治疗载体，完全可降解塑料手术缝合线等医用材料。

4. Polycaprolactone (PCL): In addition to the easy processing characteristics of thermosetting plastics, PCL also has some characteristics such as biodegradability, biocompatibility, shape temperature controlled memory, and is mainly used as a controlled release drug treatment carrier, fully biodegradable plastic surgical sutures, and other medical materials.

以上所讲解的就是有关于生物降解实验材料的具体工作类型的相关知识内容，希望自己看完之后他们能够对您有所提升帮助，如果您还想进一步了解到了更多国家关于保护生物降解过程中材料的相关信息，可以来关注我们网站https://www.swjjkl.com咨询更多事项！

The above explanation is about the specific types of work related to biodegradable experimental materials. I hope they can help you improve after reading it. If you also want to learn more about the relevant information about protecting materials in the biodegradation process in other countries, you can visit our website https://www.swjjkl.com Consult for more matters!