其实，对于塑料制品而言，不能片面简单地追求塑料制品具有降解特性，降解是有范围和限定的，不能无限扩大。绝大多数应用的塑料制品不要求降解，不需要降解，甚至要求在使用期限内也不能降解。飞机、汽车中的塑料部件，日常使用的冰箱、电视、洗衣机、空调中的塑料部件，使用的建筑管材，大量使用的塑料桶、盆等，不希望、更要防止在使用过程中发生降解。因为一旦发生降解，则性能将迅速劣化。大部分的设备、精密仪器、大型设备中均使用塑料部件，追求的恰恰是在自然环境中或苛刻条件下不发生分解或难以降解，只有这样才能保证其高性能。
In fact, as far as plastic products are concerned, we cannot simply pursue that plastic products have degradation characteristics unilaterally. Degradation is limited and limited, and cannot be expanded indefinitely. The vast majority of applied plastic products do not require degradation, do not require degradation, and even require that they cannot be degraded within the service life. Plastic parts in aircraft and automobiles, refrigerators, televisions, washing machines and air conditioners in daily use, building pipes used, plastic buckets and basins used in large quantities, etc., do not want to be degraded in the process of use. Because once degradation occurs, the performance will deteriorate rapidly. Most of the equipment, precision instruments, and large equipment use plastic parts, and the goal is not to decompose or be difficult to degrade in the natural environment or under harsh conditions. Only in this way can their high performance be guaranteed.
从科学的角度讲，只提“可降解”的概念和要求是不够的，还需要评估降解后的产物是什么?降解物将产生什么影响?尤其是“可降解塑料”在降解过程中产生的中分子量、低分子量产物对环境、生态的危害，特别是降解产生的1~5mm的微粒塑料将产生什么影响，是塑料可控降解的一个难题。“不可降解”和“可降解”提法本身也不严谨，存在偏颇，既不能把塑料可否降解，当作一种“非0即1”的取舍。从时间上将塑料降解分为“短时降解”“长时降解”;按难以程度分为“易降解”“难降解”。
From a scientific point of view, it is not enough to mention the concept and requirements of "degradability". What are the degraded products? What effect will degradation products have? In particular, the harm to the environment and ecology caused by the middle molecular weight and low molecular weight products produced during the degradation of "degradable plastics", especially the impact of the 1-5mm particulate plastics produced during the degradation, is a difficult problem for the controllable degradation of plastics. The terms "non degradable" and "degradable" are not precise in themselves, and there are biases. Neither can the degradability of plastics be considered as a "non-zero or one" choice. The degradation of plastics can be divided into "short-term degradation" and "long-term degradation"; It can be divided into "easy to degrade" and "difficult to degrade" according to the degree of difficulty.

就“禁止使用不可降解一次性塑料制品”而言，要真正立法并予以实施，需要更多方面政策配套和措施统筹：一，是否有足够的可降解塑料制品生产并投放市场以替代现有一次性制品使用需求?二，可降解塑料制品与原有不可降解(难降解)制品的市场价格竞争力如何?三，可降解塑料制品的回收与降解处理场地与设备如何配置?四，可降解塑料原料获取与制备过程是否更节能、更绿色?
As far as the "prohibition on the use of non degradable disposable plastic products" is concerned, to truly legislate and implement it, more policies and measures need to be coordinated: First, is there enough degradable plastic products to be produced and put on the market to replace the existing demand for disposable products? 2、 How about the market price competitiveness of degradable plastic products and original non degradable (non degradable) products? 3、 How to configure the site and equipment for recycling and degradation treatment of degradable plastic products? 4、 Is the process of obtaining and preparing degradable plastic raw materials more energy-saving and green?
基于现实,若要逐步实施“禁止使用不可降解―次性塑料制品”，更有必要大力推动塑料使用方式和生活模式的变革，即减少并受限“一次性塑料制品”的生产和使用，倡导“多次使用”“长期使用”。此倡导将对塑料制品丢弃量的减少产生线性甚至指数正相关效果(Positiveimpact)，这对实现塑料更加绿色、更加环保的可持续应用，不失为一种科学的理念和策略。
Based on the reality, if we want to gradually implement the "prohibition of the use of non degradable secondary plastic products", it is more necessary to vigorously promote the change of plastic use and life mode, that is, reduce and restrict the production and use of "disposable plastic products", and advocate "multiple use" and "long-term use". This initiative will produce a linear or even exponential positive impact on the reduction of plastic product discards, which is a scientific concept and strategy for achieving a more green and environmentally sustainable application of plastics.
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