[EN] PROCESS FOR CROSSLINKING POLYPROPYLENE<br/>[FR] PROCÉDÉ DE RÉTICULATION DU POLYPROPYLÈNE
申请人:AKZO NOBEL CHEMICALS INT BV
公开号:WO2016170020A1
公开(公告)日:2016-10-27
Process for crosslinking polypropylene comprising the steps of (a) treating a mixture of (i) polypropylene, (ii) a maleimide-functionalized mono-azide and/or a citraconimide-functionalized mono-azide, and (iii) a radical scavenger selected from the group consisting of hydroquinone, hydroquinone derivatives, benzoquinone, benzoquinone derivatives, catechol, catechol derivatives, 2,2,6,6- tetramethylpiperidinooxy (TEMPO), TEMPO derivatives, and combinations thereof, at a temperature in the range 120-250°C to form a functionalized polypropylene, and (b) reacting the functionalized polypropylene with a peroxide at a temperature in the range 150-350°C.