一次性玉米淀粉餐具是目前市場(chǎng)上常見的可降解餐盒。淀粉的主要來源是玉米，因此有時(shí)也被稱為玉米淀粉基餐具。然而，這種餐盒實(shí)際上是淀粉和傳統(tǒng)石油基聚丙烯的混合塑料，在其它地方被稱為生物基。

Disposable corn starch tableware is currently a common biodegradable food box in the market. The main source of starch is corn, so it is sometimes referred to as cornstarch based tableware. However, this type of lunch box is actually a mixture of starch and traditional petroleum based polypropylene plastic, referred to as bio based elsewhere.

玉米淀粉餐具是一種可生物降解的餐具，它會(huì)導(dǎo)致整個(gè)材料的物理性能崩潰。然而，坍塌后的石油基PP仍然是不可生物降解的，根據(jù)餐盒的成分，降解率可以達(dá)到40%-80%，因此只能視為可降解餐盒，而不是完全降解。

Corn starch tableware is a biodegradable tableware that can cause the physical properties of the entire material to collapse. However, the collapsed petroleum based PP is still non biodegradable, and the degradation rate can reach 40% -80% based on the composition of the lunch box. Therefore, it can only be considered as a biodegradable lunch box, not completely degraded.

負(fù)責(zé)生物降解的微生物更有可能化學(xué)分解材料，這比石油基塑料更容易降解。然而，由于添加了其他組分，聚合過程會(huì)增加結(jié)晶度。這些因素將導(dǎo)致PLA降解時(shí)間更長(zhǎng)。

Microorganisms responsible for biodegradation are more likely to chemically decompose materials, which is easier to degrade than petroleum based plastics. However, due to the addition of other components, the polymerization process will increase crystallinity. These factors will result in a longer degradation time for PLA.

因此，一次性玉米淀粉餐具只能在一些程度上取代塑料制品，是目前市場(chǎng)上有爭(zhēng)議的塑料餐具替代品。

Therefore, disposable corn starch tableware can only partially replace plastic products and is currently a controversial substitute for plastic tableware in the market.

在超過30℃的高溫下，微生物開始降解聚乳酸；潮濕時(shí)，濕度越高，水解效率就越高；同時(shí)滿足這些條件的環(huán)境可以說是自然界中很罕見的。

At high temperatures exceeding 30 ℃, microorganisms begin to degrade polylactic acid; When humid, the higher the humidity, the higher the hydrolysis efficiency; An environment that simultaneously satisfies these conditions can be said to be rare in nature.

目前，有許多禁止環(huán)境塑料的地方，不再使用降解和完全降解來描述材料，而是使用它們是否可以堆肥。因?yàn)槎逊士梢韵拗平到鈺r(shí)間、降解后的顆粒大小以及降解成分對(duì)植物生長(zhǎng)的影響，以保障材料的。

At present, there are many places where environmental plastics are prohibited, and degradation and complete degradation are no longer used to describe materials, but rather to determine whether they can be composted. Because composting can limit the degradation time, particle size after degradation, and the impact of degradation components on plant growth to ensure the safety of materials.

玉米淀粉餐具品質(zhì)良好，產(chǎn)品密織性好，耐水、耐油、防滲透，同時(shí)具有良好的耐高溫和耐低溫性，適合冰箱冷凍、冷藏、保鮮食品，微波爐加熱等。

Corn starch tableware has good quality, good product density, water resistance, oil resistance, and penetration resistance, as well as good high and low temperature resistance. It is suitable for refrigerator freezing, refrigeration, preservation of food, microwave heating, etc.

因此，真正保護(hù)環(huán)境的一次性玉米淀粉餐具，如紙漿模塑餐具和植物纖維模塑餐具（甘蔗漿餐具），在家庭堆肥條件下可以完全降解，目前在市場(chǎng)上呈現(xiàn)出火熱的發(fā)展趨勢(shì)。

Therefore, disposable corn starch tableware that truly protects the environment, such as pulp molded tableware and plant fiber molded tableware (sugarcane pulp tableware), can be completely degraded under home composting conditions, and is currently showing a hot development trend in the market.

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