Laser-markable polymer moulding compositions
First Claim
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1. Thermoplastic moulding compositions comprisingA) 99.995 to 30 parts by weight of thermoplastic polymer,B) 0.005 to 3 parts by weight of boric anhydride,C) 0 to 50 parts by weight of fillers and reinforcing materials,D) 0 to 60 parts by weight of flame retardant additives,E) 0 to 30 parts by weight of elastomer modifiers,F) 0 to 8 parts by weight of antimony trioxide,G) 0.4 to 3 parts by weight of copper(II) pyrophosphate hydrate.
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Abstract
Laser-markable thermoplastic moulding compositions are disclosed which contain
thermoplastic polymers,
boric anhydride, and optionally,
fillers and reinforcing materials,
flame retardant additives,
elastomer modifiers,
antimony trioxide, and
copper(II) pyrophosphate hydrate.
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Citations
5 Claims
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1. Thermoplastic moulding compositions comprising
A) 99.995 to 30 parts by weight of thermoplastic polymer, B) 0.005 to 3 parts by weight of boric anhydride, C) 0 to 50 parts by weight of fillers and reinforcing materials, D) 0 to 60 parts by weight of flame retardant additives, E) 0 to 30 parts by weight of elastomer modifiers, F) 0 to 8 parts by weight of antimony trioxide, G) 0.4 to 3 parts by weight of copper(II) pyrophosphate hydrate.
Specification