Recently, the GS-11 catalyst produced by Sinopec's ethylbenzene dehydrogenation to styrene technology was applied at Taiwan Guoqiao Petrochemical Company's 130,000 tonne/year styrene plant, and the device was successfully launched. This was the first application of Sinopec's styrene catalyst. Overseas markets. The operating results since the start of the drive show that the GS-11 catalyst has an ethylbenzene feed load of 111% and a reaction temperature 4 to 5 degrees Celsius lower than that of foreign products. The conversion of ethylbenzene exceeds 65%, and the styrene selectivity reaches 97.46%. The catalyst showed excellent overall performance and its use effect was superior to that of foreign products and was highly evaluated by users. GS-11 ethylbenzene dehydrogenation catalyst is produced by Shanghai Petrochemical Research Institute R&D and catalyst branch. Guo Qiao Petrochemical was established in 1973 and is a leader in Taiwan's styrene industry. In May 2011, Shanghai Institute won the exchange of information on Taiwan Guoqiao Petrochemical in 2012, and established a good business relationship with Guoqiao Petrochemical. The two parties have determined their intention of cooperation and conducted several technical exchanges. In late March of this year, Catalyst Shanghai Branch and Shanghai Academy jointly formed a styrene technology service team to provide technical services to Guoqiao Petrochemical. Under the concerted efforts of all parties, Guoqiao Petrochemical's 130,000-ton/year styrene plant was successfully launched. Epoxy glue is also known as epoxy resin and epoxy resin glue. Because of its low price compared with other similar products, it has various forms of application. The form of epoxy glue is a transparent liquid, and it needs to be mixed with AB to cure it. , The cured product has the characteristics of water resistance, chemical resistance, crystal clear and so on.
Epoxy adhesive is formulated with polyurethane prepolymer modified epoxy resin (component A) and self-made curing agent (component B) in a ratio of 10:1 to 1:1 (weight ratio) to be resistant to high temperature and good toughness. , Reactive curing system. Among them, the polyurethane prepolymer is a hydroxyl-terminated polysiloxane and a diisocyanate reacted in a certain proportion under certain conditions to prepare an isocyanate group-terminated polysiloxane polyurethane prepolymer, and then the epoxy resin is treated with this polyurethane prepolymer. Modified. The self-made curing agent is composed of diamine, imidazole compound, silane coupling agent, inorganic filler and catalyst.
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