PBAT是一種全生物可降解塑料，本文主要對(duì)其制備方法與兩種生產(chǎn)工藝進(jìn)行闡述。目前PBAT被應(yīng)用于購(gòu)物袋，外賣餐盒，農(nóng)用地膜等農(nóng)工商醫(yī)等領(lǐng)域。隨著限塑令的推出和綠色消費(fèi)市場(chǎng)的擴(kuò)大，PBAT作為環(huán)保材料具有較好的發(fā)展前景。下面生物降解顆粒廠家為您分析：

PBAT is a kind of fully biodegradable plastic. This paper mainly describes its preparation method and two production processes. At present, PBAT is used in supermarket shopping bags, take-out lunch boxes, agricultural mulch and other fields of agriculture, industry and medicine. With the introduction of the plastic restriction order and the expansion of the green consumer market, PBAT has a good development prospect as an environmental protection material. The following biodegradable particle manufacturers will analyze for you:

從其化學(xué)結(jié)構(gòu)式可知，PBAT是己二酸丁二醇酯(BT)和對(duì)苯二甲酸丁二醇酯(BT)的共聚物。兼具PBA(聚己二酸丁二醇酯)和PBT(聚對(duì)苯二甲酸丁二醇酯)的特性，既有較好的力學(xué)性能，又有較高的延展性和斷裂伸長(zhǎng)率，還具有優(yōu)良的生物降解性，是一種全生物可降解塑料。

From its chemical structure formula, PBAT is a copolymer of butylene adipate (BT) and butylene terephthalate (BT). It has the characteristics of PBA (polybutylene adipate) and PBT (polybutylene terephthalate). It has good mechanical properties, high ductility and elongation at break, and excellent biodegradability. It is a fully biodegradable plastic.

生物可降解塑料是在土壤、沙土等自然條件下，與微生物（如細(xì)菌/霉菌/藻類等）作用降解成二氧化碳、水等小分子或低分子化合物的塑料。降解塑料主要分為光降解塑料、生物降解塑料、光生物降解塑料。光降解塑料需要充足的光照才能降解，給生產(chǎn)帶來(lái)了很大局限性，所以光降解塑料的推廣并不好。

Biodegradable plastic is a kind of plastic that degrades into carbon dioxide, water and other small or low molecular compounds under natural conditions such as soil, sand and other natural conditions by interacting with microorganisms (such as bacteria/mold/algae). Degradable plastics are mainly divided into photo-degradable plastics, biodegradable plastics and photo-degradable plastics. Photodegradable plastics need sufficient light to degrade, which brings great limitations to production, so the promotion of photodegradable plastics is not good.

生物降解塑料品種已經(jīng)有幾十種，可批量生產(chǎn)和工業(yè)化生產(chǎn)的品種主要有：微生物發(fā)酵合成的聚羥基脂肪酸酯，化學(xué)合成的聚乳酸(PLA)、聚己內(nèi)酯、二元醇二羧酸脂肪族聚酯(PBS)、脂肪族/芳香族共聚酯、CO2/環(huán)氧化合物共聚物(APC)、聚乙烯醇(PVA)等，天然高分子淀粉基塑料及其生物降解塑料共混物、塑料合金等。

There are dozens of biodegradable plastics, and the varieties that can be produced in batches and industrialized production mainly include: polyhydroxy fatty acid esters synthesized by microbial fermentation, polylactic acid (PLA), polycaprolactone, dicarboxylic acid aliphatic polyester (PBS), aliphatic/aromatic copolyesters, CO2/epoxy copolymer (APC), polyvinyl alcohol (PVA), natural polymer starch-based plastics and biodegradable plastic blends Plastic alloy, etc.

以己二酸(AA)、對(duì)苯二甲酸(PTA)、丁二醇(BDO)為單體，按照一定比例合成聚己二酸/對(duì)苯二甲酸丁二醇酯，工藝過(guò)程中在于嚴(yán)格控制反應(yīng)的酯化方式、酯化時(shí)間、縮聚溫度、穩(wěn)定劑等。

With adipic acid (AA), terephthalic acid (PTA) and butylene glycol (BDO) as monomers, polyadipic acid/butylene terephthalate is synthesized in a certain proportion. The key point in the process is to strictly control the esterification mode, esterification time, condensation temperature and stabilizer of the reaction.

這些關(guān)鍵因素能夠直接影響合成過(guò)程，影響產(chǎn)品的性能。為確保制備出良好的PBAT樹(shù)脂，所需的工藝條件為：共酯化反應(yīng)方式，酯化時(shí)間為185min，縮聚溫度248～250℃，穩(wěn)定劑添加量70μg/g。

These key factors can directly affect the synthesis process and product performance. To ensure the preparation of good PBAT resin, the required process conditions are: co-esterification reaction mode, esterification time 185 min, polycondensation temperature 248~250 ℃, stabilizer addition 70 μ g/g。

PBAT作為性能良好的環(huán)保材料，可以降低石油資源消耗，緩解“白色污染”，對(duì)我國(guó)可持續(xù)發(fā)展具有重要意義。

As an environmental protection material with good performance, PBAT can reduce the consumption of oil resources and alleviate "white pollution", which is of great significance to China's sustainable development.

目前全球PBAT市場(chǎng)需求旺盛，由于PBAT較高，而我國(guó)具備良好的原料生產(chǎn)條件。PBAT產(chǎn)品主要用于出口，行業(yè)集中度高，潛在市場(chǎng)大，產(chǎn)業(yè)化前景好。您有相關(guān)需求就來(lái)我們網(wǎng)站http://m.88dyk.com咨詢吧！

At present, the global PBAT market is in strong demand. Due to the high price of PBAT, China has good raw material production conditions. PBAT products are mainly used for export, with high industry concentration, large potential market and good industrialization prospects. Come to our website if you have relevant requirements http://m.88dyk.com Ask!