生物降解顆粒塑料具體表現（xiàn）

伴隨著大家對塑料包（bāo）裝的日益青睞，可（kě）降解（jiě）材料的需求慢慢提升。大家逐漸尋（xún）找（zhǎo）並開（kāi）發一些可（kě）持續發展或可綠色生態（tài）循環的（de）環境友好材（cái）料，生物可降解塑料當是其（qí）中（zhōng）為環境保護、具備發展（zhǎn）前途的綠色材料之一（yī），接下來我們就（jiù）來（lái）了解一下常用（yòng）的生物降解塑料。

With the increasing popularity of plastic packaging, the demand for degradable materials is slowly increasing. We are gradually looking for and developing some environmentally friendly materials that can achieve sustainable development or green ecological cycle. Biodegradable plastics should be one of the promising green materials for environmental protection. Next, let's learn about the commonly used biodegradable plastics.

在規定自然環境標（biāo）準下，通過一段時間（jiān）和（hé）包括一個或大量步驟，造（zào）成材料（liào）化學構造的明顯變化而損（sǔn）失某（mǒu）些特性（如完整性、分子量、構造或機械強度）和/或產生破碎的塑料（liào）。應使用能體現特性變化（huà）的標準實（shí）驗方法開展檢測，並按溶解方式和使用周期時間明確其類別。降解塑料依照（zhào）其設計的Z終溶解方式分為生物降解塑料、可堆肥塑料、光降解塑料、熱氧降解（jiě）塑料（liào）生物降（jiàng）解（jiě）塑（sù）料。

Under the specified natural environment standards, plastic that causes obvious changes in the chemical structure of the material over a period of time and includes one or a large number of steps, resulting in the loss of certain properties (such as integrity, molecular weight, structure or mechanical strength) and / or the generation of broken plastics. The standard test method that can reflect the change of characteristics shall be used for detection, and its category shall be determined according to the dissolution method and service cycle time. Degradable plastics can be divided into biodegradable plastics, Compostable Plastics, photodegradable plastics, thermooxidative degradable plastics and biodegradable plastics according to the designed z-final dissolution method.

在大自然如土壤或沙（shā）土等標準下，或特殊條件如堆（duī）肥化標準（zhǔn）下或厭氧消化標準下或水性培養液（yè）中，由（yóu）大自然存（cún）在的微生（shēng）物（wù）如細（xì）菌、黴菌和海藻等功效引起溶解，並Z終完全溶解變為二氧化（huà）碳（CO2）或/和甲烷（CH4）、水（H2O）以及所含元素的礦化碳酸鹽以及新的生物質的塑料。也就是通常所說的生物降解塑料。

Under natural standards such as soil or sandy soil, or under special conditions such as composting standards or anaerobic digestion standards or in aqueous culture medium, the microorganisms existing in nature such as bacteria, molds and algae will cause dissolution, and Z will eventually be completely dissolved into carbon dioxide (CO2) or / and methane (CH4), water (H2O), mineralized carbonate containing elements and plastic of new biomass. That is commonly referred to as biodegradable plastics.

生物降解顆粒降解塑料主要的（de）市場定位是塑料包裝製（zhì）品塑料薄膜、農用塑料薄膜、一次性包裝袋和一次性塑料餐具。對比傳統塑料（liào）包裝製品材料，新型降解材（cái）料成本費稍高。但是伴隨（suí）著環境（jìng）保護意識的增強，人們願（yuàn）意（yì）為保護（hù）生態環境而使（shǐ）用稍高的新型降解材料，環境保護意識的增強給生物降解新材料行（háng）業帶（dài）來了（le）很大的發展機遇。

The main market positioning of biodegradable granular degradable plastics is plastic packaging products plastic film, agricultural plastic film, disposable packaging bags and disposable plastic tableware. Compared with traditional plastic packaging materials, the cost of new degradable materials is slightly higher. However, with the enhancement of environmental protection awareness, people are willing to use new biodegradable materials with slightly higher prices to protect the ecological environment. The enhancement of environmental protection awareness has brought great development opportunities to the biodegradable new materials industry.

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