Polybutylene terephthalate composition and radar device component thereof
AssigneeBASF SE
InventorsRui Dou, Zhen Ke Wei, Ping Li
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Abstract
The invention discloses a polybutylene terephthalate composition comprising as component (A) polybutylene terephthalate resin in an amount of from 40 wt % to 90 wt %, as component (B) glass fiber having low dielectric constant and dissipation factor measured according to GB 9534-88 in an amount of 10 wt % to 60 wt %. The invention also disclosed a radar device component containing the polybutylene terephthalate composition.
Claims13
A radar device component containing a polybutylene terephthalate composition comprising:
- as component (A) a polybutylene terephthalate resin in an amount of from 40 wt % to 90 wt %, as component (B) a glass fiber having dielectric constant (Dk) of equal to or less than 4.6 and dissipation factor (Df) of less than 0.004 at a frequency from 1 GHz to 78 GHz, and Dk of equal to or less than 4.2 and Df of 0.001 to at a frequency of 79 GHz to 85 GHz, the dielectric constant Dk and dissipation factor Df of the glass fiber is measured according to GB 9534-88 in an amount of 10 wt % to 60 wt %.
A polybutylene terephthalate composition comprising as component (A) a polybutylene terephthalate resin in an amount of from 40 wt % to 90 wt %, as component (B) a glass fiber having dielectric constant (Dk) of equal to or less than 4.6 and dissipation factor (Df) of less than 0.004 at a frequency from 1 GHz to 78 GHz, and Dk of equal to or less than 4.2 and Df of 0.001 to 0.0035 at a frequency of 79 GHz to 85 GHz, the dielectric constant Dk and dissipation factor Df of glass fibers is measured according to GB 9534-88 in an amount of 10 wt % to 60 wt %.
Dependencies are inferred from the claim text.