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US 2012/0231285 A1Published application
Laser-transparent polyesters with carboxylic salts
AssigneeBASF SE
InventorsRebekka Von Benten, Peter Eibeck
Life of this patent
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Abstract
Use of thermoplastic molding compositions comprising, as essential components, A) from 29 to 99.8% by weight of a polyester, B) from 0.2 to 2.0% by weight of alkali metal salts of aliphatic carboxylic acids or a mixture of these, based on 100% by weight of A) and B), and also moreover C) from 0 to 70% by weight of further additives, where the total of the % by weight values for A) to C) is 100%, for producing laser-transparent moldings of any type.
Claims11
1-9. (canceled)
A process for producing laser-transparent moldings which comprises utilizing a thermoplastic molding compositions comprising, as essential components,
- A) from 29 to 99.8% by weight of a polyester,
- B) from 0.2 to 2.0% by weight of alkali metal salts of aliphatic carboxylic acids or a mixture of these, based on 100% by weight of A) and B), and also moreover
- C) from 0 to 70% by weight of further additives, where the total of the % by weight values for A) to C) does not exceed 100%.
Dependencies are inferred from the claim text.