Multiple component moulded body comprising polyester layers

Details Multiple component moulded body comprising polyester layers Multiple component moulded body comprising polyester layers

B - Operations, Transporting

32

B

B32B 7/00 (2006.01) C08G 83/00 (2006.01) C08L 67/02 (2006.01)

Patent

CA 2611626

The invention relates to a method for producing multiple component moulded bodies. Said method is characterised in that at least one layer of the moulded body is formed from a thermoplastic moulding compound consisting of A) between 10 and 99.99 wt. % of at least one thermoplastic polyester, B) between 0.01 and 50 wt. % of B1) at least one highly branched or hyperbranched polycarbonate having an OH index of between 1 and 600 mg KOH/g of polycarbonate (according to DIN 5324O1 part 2), or B2) at least one highly branched or hyperbranched polyester of type A*By where x is at least 1.1 and y is at least 2.1 or the mixtures thereof, and C) between 0 and 60 wt. % of other additives. The sum of the weight percentage of the constituents A) to C) is equal to 100 %.

L'invention concerne un procédé permettant de produire des corps moulés à plusieurs composants, qui se caractérise en ce qu'au moins une couche du corps moulé se compose d'une matière de moulage thermoplastique comprenant: A) entre 10 et 99,99% en poids d'au moins un polyester thermoplastique; B) entre 0,01 et 50% en poids B1) d'au moins un polycarbonate hautement ou hyper ramifié, ayant un indice hydroxyle compris entre 1 et 600 mg KOH/g de polycarbonate (selon DIN 532401 partie 2) ou B2) d'au moins un polyester hautement ou hyper ramifié de type A*By, x valant au moins 1,1 et y, au moins 2,1 ou leurs mélanges et C) entre 0 et 60% en poids d'autres additifs, la somme des pourcentages en poids des constituants A) à C) s'élevant à 100%.

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