Hydrocarbon resin is produced from the by-product C5 and C9 fractions in the petroleum cracking process, using sulfuric acid, anhydrous aluminum trichloride, boron trifluoride, etc. as catalysts, through pretreatment, polymerization, flash evaporation and other processes. The thermoplastic resin produced is an oligomer with a relative molecular mass between 300 and 3000, which is a newly developed chemical product in recent years.

Petroleum resins are classified into aliphatic resins (C5), cycloaliphatic resins (DCPD), aromatic resins (C9), aliphatic/aromatic copolymer resins (C5/C9) and hydrogenated petroleum resins according to different raw materials. C5 hydrogenated petroleum resin, C9 hydrogenated petroleum resin. Because of its low price, good miscibility, low melting point, resistance to water, ethanol and chemicals, it can be widely used in rubber, adhesives, coatings, papermaking, inks and other industries and fields.

Chinese name: petroleum resin

Chinese synonyms: hydrocarbon resin; petroleum resin; hydrocarbon resin; styrene, methylstyrene, indene; carbon nine petroleum resin; modified carbon nine petroleum resin

Foreign name: hydrocarbon resin

CAS Number: 64742-16-1

【source】

Petroleum resin is named because it is derived from petroleum derivatives. It has low acid value, good miscibility, water resistance, ethanol resistance and chemical resistance. It is chemically stable to acid and alkali, and has adjustable viscosity and thermal stability. Good features. Petroleum resin is generally not used alone, but as an accelerator, regulator, modifier and other resins.

【Application field】

Other applications of hot melt adhesive: hot melt pressure sensitive adhesive, solvent pressure sensitive adhesive.

The performance and function of petroleum resin in different industries:

A. Paint Paint mainly uses high softening point C9 petroleum resin, DCPD resin, and C5/C9 copolymer resin. Adding petroleum resin to the paint can increase the gloss of the paint and improve the film adhesion, hardness, acid resistance and alkali resistance.

B. Rubber rubber mainly uses low softening point C5 petroleum resin, C5/C9 copolymer resin and DCPD resin. This kind of resin has good mutual solubility with natural rubber particles and has no major influence on the rubber vulcanization process. The addition of petroleum resin to the rubber can increase viscosity, strengthen and soften. In particular, the addition of C5/C9 copolymer resin can not only increase the adhesion between the rubber particles, but also increase the adhesion between the rubber particles and the cord, which is suitable for high-demand rubber products such as radial tires.

C. Petroleum resin in the adhesive industry has good adhesion. The addition of petroleum resin to adhesives and pressure-sensitive tapes can improve the adhesive’s adhesion, acid resistance, alkali resistance and water resistance, and can Effectively reduce production into Chemicalbook.

D. Petroleum resins for inks in the ink industry, mainly high softening point C9 petroleum resins and DCPD resins. The addition of petroleum resin to the ink can achieve the effects of color development, quick drying, brightening, and improving printing performance.

E. Coatings for road signs and road markings in the coating industry. Petroleum resin has good adhesion to concrete or asphalt pavement, and has good abrasion resistance and water resistance. It has good affinity with inorganic substances and is easy to coat. Good weather resistance, fast drying, high firmness, and can improve the physical and chemical properties of the layer, improve UV resistance and weather resistance. At present, petroleum resin road marking paint is gradually becoming mainstream, and the demand is increasing year by year.

F. Other resins have a certain degree of unsaturation and can be used as paper sizing agents, plastic modifiers, etc.

【use】

Mainly used as a binder in the rubber industry, but also for coatings, printing inks, etc.

【Transportation and storage】

Petroleum resin is a non-hazardous product. During transportation, it should be protected from sunlight and rain; it cannot be transported with spontaneous combustion, strong oxidizer, and strong acid. Petroleum resin should be stored in a ventilated, cool and dry environment. The storage period is generally one year, and it can still be used after one year if the inspection is qualified.