High voltage components
The present invention relates to high-voltage components, especially for electromobility, comprising polymer compositions based on at least one polyester and 10,10′-oxybis-12H-phthaloperin-12-one, and to the use of 10,10′-oxybis-12H-phthaloperin-12-one for production of polyester-based products, with the proviso of a color difference ΔE<20 from the L*a*b* coordinates of a color number beginning with “2” in the RAL color chart, and to the use of 10,10′-oxybis-12H-phthaloperin-12-one for marking of polyester-based products as high-voltage components.
1 . An electromobility assembly comprising:
a voltage conducting part having an operating voltage according to class B of ISO6469-2:2018, and
a high-voltage component in direct contact with or directly adjacent to the voltage-conducing part, wherein the high-voltage component comprises a polymer composition comprising:
(A) at least one polyester, and
(B) a 10,10′-oxybis-12H-phthaloperin-12-one dye, wherein the 10,10′-oxybis-12H-phthaloperin-12-one dye component (B) is present in an amount of 0.01 to 5 parts by mass per 100 parts by mass of the at least one polyester component (A) which is sufficient to achieve, (i) an orange color corresponding to a color distance ΔE<20 from the L*a*b* coordinates of a color number beginning with “2” in the RAL color chart, and (ii) reduced contact bleeding of the 10,10′-oxybis-12H-phthaloperin-12-one component (B) as compared to a high-voltage component having 12H-phthaloperin-12-one as component (B).
2 . The electromobility assembly according to claim 1 , wherein the polymer composition comprises, per 100 parts by mass of the at least one polyester, 0.01 to 3 parts by mass of the 10,10′-oxy-bis-12H-phthaloperin-12-one dye.
3 . The electromobility assembly according to claim 2 , wherein the polymer composition further comprises:
(E) at least one laser absorber selected from the group consisting of antimony trioxide, tin oxide, tin orthophosphate, barium titanate, aluminum oxide, copper hydroxyphosphate, copper orthophosphate, potassium copper diphosphate, copper hydroxide, antimony tin oxide, bismuth trioxide and anthraquinone.
4 . The electromobility assembly according to claim 2 , wherein the polymer composition further comprises:
(D) at least one flame retardant in an amount of 3 to 100 parts by mass based on 100 parts by mass of the at least one polyester component (A).
5 . The electromobility assembly according to claim 2 , wherein the polymer composition further comprises:
(D) at least one flame retardant.
6 . The electromobility assembly according to claim 1 , wherein the at least one polyester is a polycarbonate or a C 2 -C 10 polyalkylene terephthalate.
7 . The electromobility assembly according to claim 1 , wherein laser-absorbing additives which absorb or scatter laser light within a wavelength range of 600 to 1200 nm are omitted from the polymer composition.
8 . The electromobility assembly according to claim 1 , wherein the polymer composition further comprises:
(C) at least one filler and/or reinforcer.
9 . The electromobility assembly according to claim 8 , wherein the polymer composition further comprises:
(D) at least one flame retardant.
10 . The electromobility assembly according to claim 9 , wherein the flame retardant is at least one selected from the group consisting of mineral flame retardants, nitrogen-containing flame retardants and phosphorus-containing flame retardants.
11 . The electromobility assembly according to claim 8 , wherein the filler and/or reinforcer is at least one selected from the group consisting of solid or hollow glass beads, glass fibers, ground glass, amorphous quartz glass, aluminum borosilicate glass having an alkali content of 1% (E glass), amorphous silica, quartz flour, calcium silicate, calcium metasilicate, magnesium carbonate, kaolin, calcined kaolin, chalk, kyanite, powdered or ground quartz, mica, phlogopite, barium sulfate, feldspar, wollastonite, montmorillonite, pseudoboehmite of the formula AlO(OH), magnesium carbonate and talc.
12 . The electromobility assembly according to claim 11 , wherein the polymer composition further comprises:
(E) at least one heat stabilizer selected from the group consisting of sterically hindered phenols.
13 . The electromobility assembly according to claim 8 , wherein the polymer composition further comprises:
(D) at least one flame retardant in an amount of 3 to 100 parts by mass based on 100 parts by mass of the at least one polyester component (A).
14 . The electromobility assembly according to claim 1 , wherein the high-voltage component comprises covers for electrics or electronics, control devices, covers/housings for fuses, relays, battery cell modules, fuse holders, fuse plugs, terminals, cable holders or sheathings.
15 . The electromobility assembly according to claim 1 , wherein the at least one polyester comprises polybutylene terephthalate.
16 . The electromobility assembly according to claim 1 , wherein the polymer composition further comprises:
(C) at least one filler and/or reinforcer in an amount of 1 to 150 parts by mass based on 100 parts by mass of the at least one polyester component (A).