生物降解颗粒的降解原理及应用领域

生物降解颗粒的降解原理是怎样的呢？实际上，生物降解塑料添加剂包含一种天然纤维质添加成分，该成分呈细小的颗粒形状；既具有可生物降解特性又具有较高的透明度，从而对终端产品的物理性能影响甚微。该生物降解添加剂系列，是以聚烯烃为载体，配以一种天然植物纤维素的复合物。

What is the degradation principle of biodegradable particles? In fact, the biodegradable plastic additive contains a natural fibrous additive, which is in the shape of fine particles; It has both biodegradability and high transparency, so it has little impact on the physical properties of the end product. This series of biodegradable additives is a composite of polyolefin as carrier and natural plant cellulose.

另外，该复合物中还包含一种金属离子预降解成分，以便为聚合物引发光降解的特性。所有的添加成分对环境都无害。含有生物降解添加剂的塑料薄膜具有生物降解的特性。

In addition, the composite also contains a metal ion pre degradation component, so as to generate light degradation characteristics for the polymer. All additives are harmless to the environment. The plastic film containing biodegradable additives has the characteristics of biodegradation.

当其被人们使用并抛弃之后，例如在垃圾堆里，只要有微生物、温热、潮湿并有氧气，塑料制品就会破裂并被分解。生物降解率很大程度上取决于堆场里的自然条件，比较理想的环境是微生物活跃、温热并且不太干燥。

When it is used and discarded by people, such as in the garbage dump, as long as there are microorganisms, warm, humid and oxygen, the plastic products will break and be decomposed. The biodegradation rate largely depends on the natural conditions in the storage yard. The ideal environment is that microorganisms are active, warm and not too dry.

生物降解颗粒的应用领域主要在哪里？实际上，生物降解颗粒主要用作农膜和生长容器。其他应用场合还比如草皮种植片，肥料包装袋，以及农作物的摈释材料等等。

Where are the main application fields of biodegradable particles? In fact, biodegradable particles are mainly used as agricultural film and growth containers. Other applications include turf planters, fertilizer bags, and waste materials for crops.

生物降解颗粒也可以在医学领域发挥作用，如：医用材料不仅要求有医效，而且还要安全、五毒、无刺激性，与人体有良好的生物相容性。

Biodegradable particles can also play a role in the medical field. For example, medical materials are required not only to have medical efficacy, but also to be safe, toxic, non irritating, and have good biocompatibility with the human body.

医用生物降解颗粒是指完成功能后，可被生物体内的溶解酶分解而吸收，生物降解塑料已经被广泛用于手术缝合线，人造皮肤，矫形外科，体内药物缓释剂和吸收性缝合线等领域。

Medical biodegradable particles refer to those that can be decomposed and absorbed by dissolved enzymes in organisms after their functions are completed. Biodegradable plastics have been widely used in surgical sutures, artificial skin, orthopedics, drug release agents in vivo, absorbable sutures and other fields.

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