project

工業萘

Technical naphthalene

精萘

Refined naphthalene

外觀

appearance

白色結晶(微紅、微黃)

White crystal (slightly red, slightly yellow)

白色結晶(微紅、微黃)

White crystal (slightly red, slightly yellow)

純度(%)

Purity (%)

≥95.0

≥95.0

≥99.6

≥99.6

熔點/℃

Melting point/℃

>76.5

>76.5

>80

>80

沸點/℃

Boiling point/℃

218

two hundred and eighteen

218

two hundred and eighteen

精萘的主要應用領域是染料及有機顏料中間體，產量大的是2-萘酚和H酸。我國已成為世界上大的染料和有機顏料生產國，近年來生產技術和產品結構變化較大，但對精萘的需求總體呈平穩增長趨勢。

The main application fields of refined naphthalene are dyes and organic pigment intermediates, with a large output of 2-naphthol and H acid. China has become the world's largest producer of dyes and organic pigments. In recent years, the production technology and product structure have changed greatly, but the demand for refined
naphthalene has generally shown a steady growth trend.

萘在農用化學品和醫藥領域也有重要應用，這也是萘消費中增長快的部分。主要產品包括植物生長調節劑和除草劑、熏蒸劑、鞣革劑、飼料添加劑、計生藥品等。此外，以萘為原料還可生產一種重要的功能高分子材料聚萘二甲酸乙二醇酯(PEN)，該產品早期市場主要是薄膜，潛在的市場用途包括柔性印刷線路板、電容器膜、薄膜開關、自動記錄技術和可微波烘烤包裝材料等。另一種重要用途就是包裝容器，此外它還是一種工業用纖維原料，有望成為優良的橡膠增強材料、工業電纜料以及造紙機套和過濾器用介質單絲等。

Naphthalene also has important applications in agricultural chemicals and medicine, which is also the fastest growing part of naphthalene consumption. The main products include plant growth regulators and herbicides, fumigants, tanning agents, feed additives, family planning drugs, etc. In addition, naphthalene can also be used as raw material to produce an important functional polymer material, polyethylene naphthalate (PEN). The early market of this product is mainly film, and its potential market uses include flexible printed circuit board, capacitor film, film switch, automatic recording technology and microwave baking packaging materials. Another important use is packaging container. In addition, it is also a kind of industrial fiber raw material, which is expected to become an excellent rubber reinforcement material, industrial cable material, and medium monofilament for paper machine sleeve and filter.