Inhibitors for olefin complexing process专利检索-路易斯碱酸，碱，盐，酸酐和碱专利检索查询-专利查询网

Inhibitors for olefin complexing process

阅读：944发布：2022-12-18

专利汇可以提供Inhibitors for olefin complexing process专利检索，专利查询，专利分析的服务。并且Combinations of organic phosphines and organic nitrogen bases help stabilize complexing solutions containing cuprous and silver salts whose anionic components are Lewis acids, said salts being dissolved in aromatic solvents, when the solutions are in the presence of olefins, to prevent side reactions from occurring during olefin complexing processes in which the above complexing solutions are employed.，下面是Inhibitors for olefin complexing process专利的具体信息内容。

权利要求

2. The process of claim 1 wherein said organic phosphine has the general formula R1R2R3P wherein R1, R2, and R3 are monovalent radicals independently selected from the group consisting of alkyl radicals having from one to 20 carbon atoms, phenyl radicals, alkylaryl radicals having from seven to 12 carbon atoms and aralkyl radicals having from seven to 12 carbon atoms.

3. The process of claim 1 wherein said organic nitrogen base material is an alkyl amine having the general formula: RR''R''''N wherein R, R'', and R'''' are independently selected from the group consisting of alkyl radicals having from one to 10 carbon atoms.

4. The process of claim 1 wherein said organic nitrogen base material is a substituted pyridine having the general formula:

5. The process of claim 1 wherein said organic nitrogen base material is a tertiary alkylaryl amine having the general formula ArRR''N wherein Ar is a substituted aryl group having at least six carbon atoms; R, and R'' are independently selected from the group consisting of alkyl radicals having from one to 10 carbon atoms.

6. The process of claim 1 wherein from 0.1 to 15 percent of said organic phosphine and organic nitrogen base material, based on number of moles of complexing salt, is present in said aromatic sorbent solution.

7. The process of claim 1 wherein said complexible olefins to be recovered are ethylene and propylene.

8. The process of claim 1 wherein said contacting is carried out at temperatures in the range of from about 20* to 300*C. and pressures ranging from 0.5 to about 50 atm.

9. The process of claim 1 wherein said cuprous salt is one selected from the group consisting of CuPF6, CuBF4, CuBF3Cl, CuAlCl4, CuAlBr4, CuTaF6 and CuAlClxBry wherein x + y are integers whose sum equals 4.

10. The process of claim 1 wherein said organic nitrogen base is one selected from the group consisting of 2,4,6-trimethyl pyridine, 2,6-ditertiary butyl pyridine, 2,6-diethyl N,N-diethyl aniline and tributyl amine.

11. The process of claim 1 wherein said organic phosphine is one selected from the group consisting of triphenylphosphine, trioctylphosphine, tribenzylphosphine and tritolylphosphine.

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