生物降解颗粒塑料具体表现

伴随着大家对塑料包装的日益青睐，可降解材料的需求慢慢提升。大家逐渐寻找并开发一些可持续发展或可绿色生态循环的环境友好材料，生物可降解塑料当是其中为环境保护、具备发展前途的绿色材料之一，接下来我们就来了解一下常用的生物降解塑料。

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.

在规定自然环境标准下，通过一段时间和包括一个或大量步骤，造成材料化学构造的明显变化而损失某些特性（如完整性、分子量、构造或机械强度）和/或产生破碎的塑料。应使用能体现特性变化的标准实验方法开展检测，并按溶解方式和使用周期时间明确其类别。降解塑料依照其设计的Z终溶解方式分为生物降解塑料、可堆肥塑料、光降解塑料、热氧降解塑料生物降解塑料。

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土等标准下，或特殊条件如堆肥化标准下或厌氧消化标准下或水性培养液中，由大自然存在的微生物如细菌、霉菌和海藻等功效引起溶解，并Z终完全溶解变为二氧化碳（CO2）或/和甲烷（CH4）、水（H2O）以及所含元素的矿化碳酸盐以及新的生物质的塑料。也就是通常所说的生物降解塑料。

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.

生物降解颗粒降解塑料主要的市场定位是塑料包装制品塑料薄膜、农用塑料薄膜、一次性包装袋和一次性塑料餐具。对比传统塑料包装制品材料，新型降解材料成本费稍高。但是伴随着环境保护意识的增强，人们愿意为保护生态环境而使用稍高的新型降解材料，环境保护意识的增强给生物降解新材料行业带来了很大的发展机遇。

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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