High voltage components

Abstract

The present invention relates to high-voltage components, in particular for electromobility, containing polymer compositions based on at least one polyamide and 10,10-oxybis-12H-phthaloperin-12-one, and to the use of 10,10-oxybis-12H-phthaloperin-12-one for marking polyamide-based articles of manufacture as high-voltage components.

Claims

1. An electromobility assembly comprising: a voltage-conducting part having an operating voltage according to class B of ISO6469-3:2018; and a high-voltage component in direct contact with or directly adjacent to the voltage-conducting part, wherein the high-voltage component comprises a polymer composition comprised of the following components: (A) at least one polyamide, 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 polyamide component (A) which is sufficient to achieve (i) an orange color corresponding to a color distance E<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 0.01 to 3 parts by mass of the 10,10-oxybis-12H-phthaloperin-12 component (B) per 100 parts by mass of the at least one polyamide component (A).

3. The electromobility assembly according to claim 2, wherein the polymer composition further comprises the following component: (C) at least one filler and/or reinforcer per 100 parts by mass of the at least one polyamide (A).

4. The electromobility assembly according to claim 3, wherein the polymer composition further comprises the component: (D) at least one flame retardant.

5. The electromobility assembly according to claim 4, wherein the polymer composition further comprises the component: (E) at least one further additive other than the components (B), (C) and (D).

6. The electromobility assembly according to claim 3, wherein the filler and/or reinforcer component (C) is selected from the group consisting of solid glass beads, 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.

7. The electromobility assembly according to claim 4, wherein the at least one flame retardant component (D) is selected from mineral flame retardants, nitrogen-containing flame retardants and phosphorus-containing flame retardants.

8. The electromobility assembly according to claim 5, wherein the at least one additive component (E) is at least on heat stabilizer.

9. The electromobility assembly according to claim 5, wherein the polymer composition comprises, based on 100 parts by mass of the at least one polyamide (A): (B) 0.01 to 5 parts by mass of the 10,10-oxybix-12H-phthaloperin-12-one, (C) 1 to 150 parts by mass of the at least one filler and reinforcer, and (E) 0.01 to 2 parts by mass of the at least one heat stabilizer.

10. The electromobility assembly according to claim 5, wherein the polymer composition comprises, based on 100 parts by mass of the at least one polyamide (A): (B) 0.01 to 5 parts by mass of the 10,10-oxybix-12H-phthaloperin-12-one, (C) 1 to 150 parts by mass of the at least one filler and reinforcer, (D) 3 to 100 parts by mass of the at least one flame retardant additive, and (E) 0.01 to 2 parts by mass of the at least one heat stabilizer.

11. The electromobility assembly according to claim 1, wherein the high-voltage component is a component selected from the group consisting of covers for electrics or electronics, control devices, covers/housings for fuses, relays, battery cell modules, fuse holders, fuse plugs, terminals, cable holders, and sheathings.

12. The electromobility assembly according to claim 2, wherein in addition to the components (A) and (B), the polymer composition further comprises the component: (C) 1 to 150 parts by mass of at least one filler and/or reinforcer, based on 100 parts by mass of the at least one polyamide component (A).

13. The electromobility assembly according to claim 3, wherein the polymer composition further comprises the component: (D) 3 to 100 parts by mass of at least one flame retardant based on 100 parts by mass of the component A).

14. The electromobility assembly according to claim 4, wherein the polymer composition further comprises the component: (E) 0.01 to 80 parts by mass of at least one further additive other than the components (B), (C) and (D), based on 100 parts by mass of component (A).

15. The electromobility assembly according to claim 1, wherein the high-voltage component is a touch guard, a warning marking or a shield component.

16. The electromobility assembly according to claim 1, wherein the polymer composition further comprises the component: (D) at least one flame retardant.

17. The electromobility assembly according to claim 11, wherein the high-voltage component is a sheathing of high-voltage bus bars and/or a sheathing of high-voltage distributor bus bars.

18. The electromobility assembly according to claim 2, wherein the polymer composition further comprises: (D) 3 to 100 parts by mass of at least one flame retardant based on 100 parts by mass of the component A).

19. The electromobility assembly according to claim 2, wherein the polymer composition further comprises: (E) 0.01 to 80 parts by mass of at least one further additive other than the components (B), (C) and (D), based on 100 parts by mass of component (A).

Description

EXAMPLES

(1) To demonstrate the improvements in properties described in accordance with the invention, corresponding polyamide-based polymer compositions were first made up by compounding. For this purpose, the individual components were mixed in a twin-screw extruder (ZSK 25 Compounder from Coperion Werner & Pfleiderer (Stuttgart, Germany)) at temperatures between 270 and 300 C., discharged as a strand, cooled until pelletizable and pelletized. After drying (generally for two days at 80 C. in a vacuum drying cabinet), the pellets were processed by injection molding at temperatures in the range from 270 to 290 C. to give standard test specimens for the respective tests.

(2) In the context of the present tests, a measure of bleeding was considered to be the discoloration of a 30.Math.20.Math.2 mm.sup.3 plasticized PVC film (P-PVC, FB110 white, standard low temperature resistance from Jedi Kunststofftechnik GmbH, Eitorf, Germany) which was stored in a hot air drying cabinet at 80 C. for 12 hours clamped between two 60.Math.40.Math.2 mm.sup.3 plastic sheets based on the compositions shown in Table 2. This was followed by visual evaluation according to the gray scale of ISO 105-A02, with 5 meaning that the PVC film showed no color change and 1 meaning that the PVC film showed a significant color change.

(3) In the context of the present invention, a measure of lightfastness was considered to be the discoloration of the molding compounds described in Table 2 in the form of 60.Math.40.Math.2 mm.sup.3 sheets after storage under UV with UV light (Suntest CPS+, 300-800 nm, 45-130 klx, with window glass filter 250-765 W/m.sup.2 from Atlas Material Testing Technology GmbH, Linsengericht, Germany) for 96 h. Discoloration was evaluated visually based on the blue wool scale according to DIN EN ISO 105-B02, with 8 representing exceptional lightfastness (little color change) and 1 representing very low lightfastness (significant color change).

(4) Reactants:

(5) Component A) nylon-6 (Durethan B26, from Lanxess Deutschland GmbH, Cologne, Germany) Component B): 10,10-oxy-bis-12H-phthaloperin-12-one [CAS No. 203576-97-0] from Angene International Limited, London Component X/1): 12H-Phthaloperin-12-one [CAS No. 6925-69-5] in the form of Macrolex Orange 3G from Lanxess Deutschland GmbH, Cologne

(6) TABLE-US-00002 TABLE II Ex. 1 Comp. 1 Component A) Pts. by wt. 100 100 Component B) Pts. by wt. 0.3 Component X/1 Pts. by wt. 0.3 Bleeding Gray scale 5 4 Lightfastness Blue wool scale 7 6 Laser [%] 27 n.d. transparency

(7) The results in Tab. II show that inventive example 1 showed laser transparency with simultaneously lower bleeding than the material colored with component X/1 according to the prior art in comp. 1, and additionally had higher lightfastness as well. The plastic plaques examined in inventive example 1 had an RAL color value of 2001 with a E of <10. n.d. stands for not determined at the filing date of the present invention.

(8) Laser transparency of the specimens analyzed in the context of the present application was measured in the near infrared (NIR) at a laser wavelength of 980 nm in accordance with DVS-Richtlinie 2243 (01/2014) Laserstrahlschweien thermoplastischer Kunststoffe using plaques having dimensions of 60 mm.Math.60 mm.Math.2 mm with the LPKF TMG3 transmittance analyzer from LPKF Laser & Electronics AG, Garbsen, Germany, calibrated beforehand with an analytical standard generated according to DIN EN ISO/IEC 17025; see: LPKF AG 101016-DE: Einfache Transmissionsmessung fr Kunststoffe LPKF TMG3.