生物（wù）降解顆粒的降解原理及應用領域

生物（wù）降解顆粒的降解原理是怎樣的呢？實際上，生物降解塑料添（tiān）加劑包含一種（zhǒng）天（tiān）然纖維質添加成分，該成分呈細小的（de）顆粒形狀；既具有可生物降解特（tè）性又具有較高的（de）透明度，從而（ér）對終端產品的物理性能影響甚微（wēi）。該（gāi）生物降解添加劑係列，是（shì）以聚烯烴為載（zǎi）體，配以一種天然植物纖維素的複合物。

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，該複合物中還包含一種金屬離子預降解成分，以便為聚合物引（yǐn）發光降解的特性（xìng）。所有的添加成（chéng）分對環境都無害。含有生物降解添加劑的塑料薄膜具有（yǒu）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.

當其被人（rén）們使用並拋棄之後，例（lì）如在垃圾堆裏，隻要有微生物、溫熱、潮濕並有氧氣，塑料製（zhì）品就會（huì）破裂（liè）並（bìng）被分解。生物降解率很大程度上取（qǔ）決於堆場裏的自然條件，比較理想的（de）環境是微生物活躍、溫熱並且不太幹燥。

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.

生物降解顆粒的應（yīng）用領域主要在哪裏？實（shí）際上，生物降解顆（kē）粒（lì）主要（yào）用作農膜和生長容器（qì）。其他應用場合還比如草皮種植片，肥料包裝袋，以及農（nóng）作物的擯釋材料等等。

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（wù）降解顆粒也可以在醫學領域發揮作用，如：醫用（yòng）材料不僅要求有醫效，而且還要（yào）、五毒、無刺（cì）激（jī）性，與（yǔ）人體有良好的（de）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.

醫用生物降解顆粒是指完成功能後（hòu），可（kě）被生物體內的溶解酶分解而吸收，生物降解塑料已經被廣泛用於手術縫合線（xiàn），人造皮膚，矯形外科，體內藥物緩釋劑和吸收性縫合（hé）線等領域。

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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