Rotomolding process for polyethylene articles

Rotomolding process for polyethylene articles

  • CN 102,439,073 A
  • Filed: 04/19/2010
  • Published: 05/02/2012
  • Est. Priority Date: 04/21/2009
  • Status: Active Application
First Claim
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1. method of producing the Vilaterm hollow piece, said method comprises:

  • In Vilaterm, add one or more and contain the NO-acyl group hindered amine additive of one or more formulas (I) group,This mixture is loaded in the mould, this mould is heated in baking oven more than 280 ℃

    , the feasible Vilaterm fusion of adding,Make mould center at least 2 axle rotations, the Vilaterm that wherein adds is coated with and is taped against on the wall,Cooling die, still rotation simultaneously,Open it andTake out the gained hollow piece,Its Chinese style (I) group is;

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