	US 11,912,863 B2
	Thermoplastic composition for laser direct structuring
Bernardus Antonius Gerardus Schrauwen, Geleen (NL)
Assigned to MEP EUROPE B.V., Geleen (NL)
Appl. No. 17/414,646
Filed by MEP EUROPE B.V., Geleen (NL)
PCT Filed Nov. 6, 2019, PCT No. PCT/EP2019/080316 § 371(c)(1), (2) Date Jun. 16, 2021, PCT Pub. No. WO2020/126188, PCT Pub. Date Jun. 25, 2020.
Claims priority of application No. 18213902 (EP), filed on Dec. 19, 2018.
Prior Publication US 2022/0135793 A1, May 5, 2022
Int. Cl. H05K 1/03 (2006.01); C08L 69/00 (2006.01); C08K 3/22 (2006.01); H05K 3/10 (2006.01)

CPC C08L 69/00 (2013.01) [C08K 3/2279 (2013.01); H05K 1/0373 (2013.01); H05K 3/105 (2013.01); C08K 2003/2231 (2013.01); C08K 2003/2241 (2013.01); C08K 2201/005 (2013.01); H05K 2201/0129 (2013.01); H05K 2201/10098 (2013.01)]

21 Claims

1. A thermoplastic composition, comprising:

a) 20 to 90 wt. % of a thermoplastic resin,

b) 0.1 to 80 wt. % of a laser direct structuring additive and

c) 10 to 80 wt. % of ceramic filler particles which do not have a laser direct structuring additive function, wherein at least 80 wt. % of c) is TiO2,

wherein the composition has a loss tangent measured at 40 GHz of at most 0.014,

wherein the total amount of a), b) and c) is 95 to 100 wt. % with respect to the total composition, wherein the composition further comprises f) one or more additives, wherein the total amount of the additives is 0.1 to 5 wt. % relative to the total weight of the composition.