A method for the manufacture of polyether ketone ketone (PEKK), including: providing a 1,4-bis(4-phenoxybenzoyl)benzene-Lewis acid complex; purifying said 1,4-bis(4-phenoxybenzoyl)benzene-Lewis acid complex; reacting said 1,4-bis(4-phenoxybenzoyl)benzene-Lewis acid complex with at least one difunctional aromatic acyl chloride in a reaction solvent and optional additional Lewis acid to obtain a product mixture including a PEKK-Lewis acid complex; and decomplexing the PEKK-Lewis acid complex to obtain a PEKK polymer. Also, a composition including at least 40 wt. % of 1,4-bis(4-phenoxybenzoyl)benzene-Lewis acid complex and an anhydrous aprotic solvent or solvent mixture, wherein the composition includes less than 1 wt. %, preferably less than 0.5 wt. % and in particular less than 0.1 wt. % of molecules comprising xanthydrol groups. And, the use of the composition for the manufacture of polyether ketone ketone.

An object of the present invention is to improve the service life of an organic light emitting element. In order to solve the above problem, a curable polymer according to the present invention includes a macromolecule including a main chain having a conjugating monomer and a side chain having a crosslinking group, and the macromolecule is doped with holes.

The present disclosure provides assemblies for producing linear alpha olefins and methods for producing linear alpha olefins. In at least one embodiment, a method for producing a linear alpha olefin includes providing an olefin, a catalyst, and a process solvent to a reactor under oligomerization conditions; obtaining an effluent produced in the reactor; transferring the effluent through an effluent line; and providing a quench agent to the effluent line via a quench agent line coupled with the effluent line. In at least one embodiment, an assembly for producing linear alpha olefins includes a configuration to provide olefin, catalyst and process solvent coupled with a reactor; an effluent line coupled with the reactor at a first end and coupled with a mixer or a flash drum at a second end; and a quench agent line coupled with the effluent line at a first end.

A method for the manufacture of polyether ketone ketone (PEKK), including: (i) providing a 1,4-bis(4-phenoxybenzoyl)benzene-Lewis acid complex; (ii) purifying said 1,4-bis(4-phenoxybenzoyl)benzene-Lewis acid complex; (iii) reacting said 1,4-bis(4-phenoxybenzoyl)benzene-Lewis acid complex with at least one difunctional aromatic acyl chloride in a reaction solvent and optional additional Lewis acid to obtain a product mixture including a PEKK-Lewis acid complex; and (iv) decomplexing the PEKK-Lewis acid complex to obtain a PEKK polymer.

Further, a composition including at least 40 wt. % of 1,4-bis(4-phenoxybenzoyl)benzene-Lewis acid complex and an anhydrous aprotic solvent or solvent mixture, characterized in that it includes less than 1 wt. %, preferably less than 0.5 wt. % and in particular less than 0.1 wt. % of molecules including xanthydrol groups and its use for the manufacture of polyether ketone ketone.