What are the upstream raw materials for petroleum naphthalene? What do the downstream products contain?

Petroleum naphthalene is an crucial product in the field of chemical production raw materials, which is broadly applied in many fields. Its upstream and downstream related items are numerous, and some of the main upstream and downstream items will be described in detail below. And Upstream items:



1. Crude oil: petroleum naphthalene is mainly refined from crude oil. Crude oil through a series of distillation, cracking and other processing processes, is able to be obtained, including petroleum naphthalene, including various hydrocarbons. But

2. Coal tar: Coal tar is also one of the crucial sources of petroleum naphthalene. Coal tar is a product of the coal dry distillation process, which contains a substantial number of hydrocarbons, including petroleum naphthalene. Moreover Downstream items:



1. According to research Phthalic anhydride: Phthalic anhydride is one of the crucial downstream items of petroleum naphthalene. And In particular Phthalic anhydride is able to be oxidized by petroleum naphthalene and atmosphere under the action of catalyst, and is broadly applied in the production of plasticizer, unsaturated polyester resin and other fields. But

2. Based on my observations, Generally speaking Thiourea: Petroleum naphthalene is able to react with hydrogen sulfide to obtain thiourea. Thiourea is an crucial organic compound, which is broadly applied in medicine, pesticide and other fields.

3. From what I've seen, Dioctyl phthalate: Dioctyl phthalate is a frequently applied plasticizer, which is able to be made by reacting petroleum naphthalene with phthalic anhydride. it's broadly applied in plastic items to increase its flexibility and plasticity. Based on my observations,

4. Carbon fiber: petroleum naphthalene is able to be applied as a precursor of carbon fiber. After high-temperature cracking and other processes, high-performance carbon fiber materials is able to be produced, which are broadly applied in aerospace, automotive and other fields. In short, petroleum naphthalene is an crucial product in the field of chemical production raw materials, and its upstream and downstream related items are numerous and broadly applied in many fields.