Petroleum resin is named because it is derived from petroleum derivatives. It has the characteristics of low acid value,Petroleum Resin good miscibility, water resistance,Petroleum Resin ethanol resistance and chemical resistance. It is chemically stable to acids and bases and has good viscosity and thermal stability. Features. Petroleum resins are generally not used alone,Petroleum Resin but as accelerators, regulators, modifiers and other resins.
Physical properties: Petroleum resins produced using C9 fractions in petroleum as raw materials are called C9 petroleum resins. It is obtained by polymerizing the remaining fractions (C8~C11) after separating benzene,Petroleum Resin toluene and xylene from heavy by-product cracking oil. At room temperature, it is a glassy thermoplastic solid, brittle,Petroleum Resin light yellow to light brown, average molecular weight 500~1000.
Hazardous substances produced by the combustion of petroleum resin: smoke, mist,Petroleum Resin carbon oxides, incompletely combusted substances,Petroleum Resin and flammable hydrocarbons. Fire extinguishers should use suitable fire extinguishing tools: use water mist, foam,Petroleum Resin dry powder or carbon dioxide fire extinguisher.
High mechanical properties. Petroleum resin has strong cohesion and dense molecular structure,Petroleum Resin so its mechanical properties are higher than general-purpose thermosetting resins such as phenolic resin and unsaturated polyester. Excellent bonding performance.
Although petroleum resins are divided into four types,Petroleum Resin the manufacturing methods are roughly the same. Except for some DCPD resins produced by thermal polymerization,Petroleum Resin the rest are all applied by cationic polymerization. Common catalysts are sometimes added with a little accelerator.
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