Reactor wall coating and processes

   
   

Reactor wall coatings for polymerization reactors and processes for forming such coatings are disclosed. The reactor wall coatings can have a thickness of at least 100 .mu.m and a molecular weight distribution including a major peak having one or more of an Mw/Mn ratio of less than 10; an Mz/Mw ratio of less than 7; and a maximum value of d(wt %)/d(log MW) at less than 25,000 daltons in a plot of d(wt %)/d(log MW), where MW is the molecular weight in daltons. The reactor wall coatings can be formed in-situ during polymerization, on reactor walls initially free of a reactor wall coating, or having a pre-existing reactor wall coating.

Las capas de la pared del reactor para los reactores y los procesos de la polimerización para formar tales capas se divulgan. Las capas de la pared del reactor pueden tener un grueso por lo menos del mu.m 100 y una distribución del peso molecular incluyendo un pico importante que tiene uno o más de un cociente de Mw/Mn de menos de 10; un cociente de Mz/Mw de menos de 7; y un valor máximo del d(wt %)/d(log MW) en menos de 25.000 daltons en un diagrama del d(wt %)/d(log MW), donde está el peso el MW molecular en daltons. Las capas de la pared del reactor pueden ser "in-situ" formado durante la polimerización, en las paredes del reactor libere inicialmente una capa de la pared del reactor, o de tener una capa preexistente de la pared del reactor.

 
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