Flame-resistant polycarbonate blends

C - Chemistry – Metallurgy – 08 – L

Patent

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Details

C08L 69/00 (2006.01) C08K 5/5353 (2006.01) C08K 5/5357 (2006.01) C08L 25/12 (2006.01) C08L 27/18 (2006.01) C08L 51/04 (2006.01) C08L 55/02 (2006.01) C08L 25/02 (2006.01) C08L 67/02 (2006.01)

Patent

CA 2383678

The invention relates to thermoplastic polycarbonate moulding materials which contain phosphonatamines and special graft polymers that are produced using hydroperoxide-ascorbic acid redox-initiator systems; and which are characterised by improved mechanical properties such as good notch impact resistance, weld line strength and resistance to stress cracking.

L'invention concerne des matières moulables de polycarbonate thermoplastiques contenant de la phosphonatamine et des polymères greffés spéciaux produits à l'aide de système rédox-initiateur hydropéroxyde-acide ascorbique. Ces matières se distinguent par des propriétés mécaniques améliorées comme une bonne résistance au choc sur éprouvette entaillée, une bonne résistance des joints sur pièce moulée et une bonne résistance à la fissure de contrainte.

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