Hollow articles comprising fiber-filled polyester compositions, methods of manufacture, and uses thereof

Materials

[0062]The following materials are used in Examples 1 to 2 and Comparative Examples A to F. Table 1 shows the nomenclature used as well as a description.

TABLE 1Raw MaterialsDescriptionPBT 195Poly(1,4-butylene terephthalate), intrinsic viscosity(IV) = 0.66 dl / g, Mw weight-average molecularweight = 53400 g / mol, Tm 215° C.PBT 315Poly(1,4-butylene terephthalate), intrinsic viscosity(IV) = 1.10 dl / g, Mw weight-average molecularweight = 110000 g / mol, Tm 217° C.Low IV PET0.535 dl / g IV PET, 0.8% DEG, Tm 257° C.Hi IV PET0.83 dl / g IV PET, 0.8% DEG, Tm 242° C.Glass FiberOwens Corning 183F 13 micron diameter E glassMold ReleasePenta erythritol tetra stearate (PETS)Antioxidant 1PEPQ phosphonite from ClariantAntioxidant 2Diphenyl isodecyl phosphiteCarbon black25 wt % 17 nm particle size carbon black in PBT 195SilicaPrecipitated amorphous silica process aid

General Testing Techniques and Procedures:

[0063]Gloss was measured per ASTM D523 at six different locations in a glossy region