Sabic Global Technologies B.v.

Fernan Mateos Salvador

Ignacio Vic Fernandez

Surya Prakasa Rao Daliparthi

Tukaram Gunale

Sergio Ferrer Nadal

Mykhaylo Lyakhovych

Samir Anapat

Rayees Ahamed Imam

A method for producing polycarbonate by melt polymerization can comprise: (a) adding acetone, diaryl carbonate, and dihydroxy compound to the melt polymerization unit, wherein the acetone is added to the melt polymerization unit as a mixture with the diaryl carbonate and/or the dihydroxy compound; (b) adding a catalyst to the melt polymerization unit, optionally without separating out acetone prior to the addition of the catalyst; and (c) operating the melt polymerization unit under conditions so that the diaryl carbonate(s) and dihydroxy compound(s); dihydroxy compound reacts with the diaryl carbonate to produce polycarbonate with a desired specification, and a phenol by-product.

Continuous process for the production of melt polycarbonate

Growing community of inventors

Alicante, Spain

Fernan Mateos Salvador