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順酐的主要用途是什么?

來源:http://www.pahornet.com/ 日期:2021-07-21 發布人:shungan 瀏覽次數:
順酐主要應用于玻璃鋼行業的原料不飽和聚酯樹脂(UPR);加氫類產品中的1,4-丁二醇(BDO)、四氫呋喃(THF)和γ-丁內酯(GBL);也應用于涂料、潤滑油添加劑、農藥、酒石酸、琥珀酸及酐、四氫苯酐、改性松香等方面。
Maleic anhydride is mainly used as raw material of glass fiber reinforced plastics industry, unsaturated polyester resin (UPR); 1,4-butanediol (BDO), tetrahydrofuran (THF) and hydrogen peroxide in hydrogenation products γ- Butyrolactone (GBL); It is also used in coatings, lubricant additives, pesticides, tartaric acid, succinic acid and anhydride, tetrahydrophthalic anhydride, modified rosin, etc.
不飽和聚酯樹脂(UPR):是熱固型樹脂的主要品種之一,由于其優良的機械性能、電性能和耐化學腐蝕性能,且加工工藝簡便,因此應用廣泛。目前中國可以經營400余個牌號的UPR,主要品種包括鄰苯型、間苯型、對苯型、雙酚A型等,按用途和功能分類包括通用樹脂、耐化學品樹脂、阻燃樹脂、澆注樹脂、柔性樹脂、人造大理石、BMC與DMC樹脂、裝飾類樹脂和特種樹脂等。中國的UPR市場中,增強類(玻璃鋼用)樹脂比例只占40%,而用于非增強類樹脂的比例高達60%,在非增強類樹脂中工藝樹脂占34%,紐扣樹脂占24%,人造大理石占19%。
Unsaturated polyester resin (UPR): is one of the main varieties of thermosetting resin, because of its excellent mechanical properties, electrical properties and chemical corrosion resistance, and simple processing technology, so it is widely used. At present, China can operate more than 400 brands of UPR, the main varieties include o-benzene, m-benzene, p-benzene, bisphenol A, etc., according to the use and function classification, including general resin, chemical resistant resin, flame retardant resin, pouring resin, flexible resin, artificial marble, BMC and DMC resin, decorative resin and special resin, etc. In China's UPR market, the proportion of reinforced (FRP) resin only accounts for 40%, while the proportion of non reinforced resin is as high as 60%. Among the non reinforced resins, process resin accounts for 34%, button resin 24%, and artificial marble 19%.
UPR行業一直都是順酐主要的消費領域,通常占順酐總消費量的40%~50%,而中國由于順酐下游產品用途相對較少,其應用在UPR行業的比例更是高達70%以上。據報道,2003年中國UPR產量已超過72萬噸,消費量突破85萬噸,已成為世界大的UPR消費國。近幾年,中國UPR行業一直保持高速增長,平均年增長幅度達到27.6%,這極大地激勵和支撐了中國順酐行業的發展。
UPR industry has always been the main consumption field of maleic anhydride, usually accounting for 40% ~ 50% of the total consumption of maleic anhydride. However, due to the relatively small use of downstream products of maleic anhydride in China, the proportion of its application in UPR industry is as high as 70%. It is reported that in 2003, China's UPR output has exceeded 720000 tons, and its consumption has exceeded 850000 tons, becoming the world's largest UPR consumer. In recent years, China's UPR industry has maintained rapid growth, with an average annual growth rate of 27.6%, which greatly encouraged and supported the development of China's maleic anhydride industry.
在一般牌號的UPR經營原料中,順酐所占比例為14%~17%。據預測,2007~2008年間全國UPR產量將達到110萬噸/年,以后將在110萬噸/年上下波動,到2009年將消費順酐約22萬噸/年。
Maleic anhydride accounts for 14% - 17% of UPR raw materials. It is predicted that the national UPR production will reach 1.1 million tons / year from 2007 to 2008, and will fluctuate in the next 1.1 million tons / year, and the consumption of maleic anhydride will be about 220000 tons / year by 2009.
加氫類產品:順酐在加氫類產品(包括BDO、THF和GBL等)中的應用,特別是在新型熱塑性工程塑料聚對苯二甲酸丁二醇酯(PBT)和作為氨綸原料的聚四亞甲基醚二醇(PTMEG)中的應用,是過去10年間乃至今后較長一段時間內,能夠大幅拉動全世界順酐產品迅速增長的主要因素。
Hydrogenation products: the application of maleic anhydride in hydrogenation products (including BDO, THF and GBL, etc.), especially in new thermoplastic engineering plastics polybutylene terephthalate (PBT) and polytetramethylene ether glycol (PTMEG) as raw material of spandex, is the focus in the past 10 years and even for a long time in the future, The main factors that can greatly promote the rapid growth of maleic anhydride products in the world.

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