Processes for the production of cumene, polyetherimides, and polycarbonates
View Patent ↗A method for the manufacture of polycarbonate by combining methane and inlet water to produce methanol, converting the methanol to propylene, gasoline aromatics, and gasoline olefins, converting the propylene and gasoline olefins to hydrogen, first benzene, and toluene, reacting the first benzene with propylene to form cumene, reacting the cumene with oxygen to form cumene hydroperoxide, cleaving the cumene hydroperoxide to produce acetone and phenol, reacting the phenol, additional phenol, and acetone to produce a dihydric aromatic compound, and reacting the dihydric aromatic compound with a carbonate precursor to form polycarbonate.
1. A method for the manufacture of polycarbonate, comprising:
combining methane and inlet water to produce methanol;
converting the methanol to propylene, gasoline aromatics, and gasoline olefins;
converting the propylene and gasoline olefins to hydrogen, first benzene, and toluene;
reacting the first benzene with propylene to form cumene;
reacting the cumene with oxygen to form cumene hydroperoxide;
cleaving the cumene hydroperoxide to produce acetone and phenol;
reacting the phenol and acetone to produce a dihydric aromatic compound; and
reacting the dihydric aromatic compound with a carbonate precursor to form polycarbonate.
2. The method of claim 1 , further comprising reacting the toluene, the gasoline aromatics, and hydrogen to produce additional benzene; and reacting the additional benzene with propylene to form cumene.
3. The method of claim 1 , further comprising combining outlet water from the production of the methanol with the inlet water.
4. The method of claim 1 , comprising reacting the dihydric aromatic compound with a carbonate precursor in an interfacial polymerization reaction.
5. The method of claim 1 , wherein the carbonate precursor comprises a diaryl carbonate ester.
6. The method of claim 1 , wherein the carbonate precursor comprises a carbonyl halide.
7. The method of claim 6 , wherein the carbonyl halide is carbonyl chloride.
8. The method of claim 1 , comprising combining natural gas and inlet water to produce methanol.
9. The method of claim 1 , wherein the dihydric aromatic compound comprises bisphenol-A.
10. A method for the manufacture of polyetherimide, comprising:
combining methane and water to produce methanol;
converting the methanol to propylene, gasoline aromatics, and gasoline olefins;
converting the propylene and gasoline olefins to hydrogen, first benzene, and toluene;
reacting the first benzene with propylene to form cumene;
reacting the cumene with oxygen to form cumene hydroperoxide;
cleaving the cumene hydroperoxide to produce acetone and phenol;
reacting the phenol and acetone to produce a dihydric aromatic compound;reacting the dihydric aromatic compound with a base to form a dihydric aromatic salt; and
reacting the dihydric aromatic salt with a material to form the polyetherimide.
11. The method of claim 10 , wherein reacting the dihydric aromatic salt with the material to form the polyetherimide further comprises reacting the dihydric aromatic salt with a nitro substituted phenyl dinitrile to form a bis(ether anhydride); and
reacting the bis(ether anhydride) with a diamino compound to form polyetherimide.
12. The method of claim 10 , wherein the material comprises a bis(halophthalimide).
13. The method of claim 10 , further comprising reacting the toluene, the gasoline aromatics, and hydrogen to produce additional benzene; and reacting the additional benzene with propylene to form cumene.
14. The method of claim 10 , further comprising combining outlet water from the production of the methanol with the inlet water.
15. The method of claim 10 , wherein the dihydric aromatic compound comprises bisphenol-A.
16. A method for the manufacture of cumene, comprising:
combining methane and inlet water to produce methanol;
converting the methanol to propylene, gasoline aromatics, and gasoline olefins;
converting the propylene and gasoline olefins to hydrogen, first benzene, and toluene; and
reacting the first benzene with propylene to form cumene.
17. The method of claim 16 , further comprising reacting the toluene, the gasoline aromatics, and hydrogen to produce additional benzene; and combining the additional benzene with the first benzene.
18. The method of claim 16 , further comprising combining outlet water from the production of the methanol with the inlet water.