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1. (WO2018036803) COMPOSITION POLYMÈRE COMPRENANT DU POLY(TÉRÉPHTALATE DE BUTYLÈNE)
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

Claims

Polymer composition comprising:

a. poly(butylene terephthalate);

b. glass fibres; and

c. 1 .5 - 10.0 wt% polyethylene

with regard to the total weight of the polymer composition.

Polymer composition according to claim 1 , comprising:

a. 80.0 - 90.0 wt% poly(butylene terephthalate);

b. 8.5- 1 1 .5 wt% glass fibres; and

c. 1 .5 - 10.0 wt% polyethylene

with regard to the total weight of the polymer composition.

Polymer composition according to any one of claims 1 -2, further comprising:

d. 0.1 - 1 .0 wt% talc having an average particle size determined as D5o according to ISO 9276-2 (2014) of 500 - 1500 nm

with regard to the total weight of the polymer composition.

Polymer composition according to any one of claims 1 -3 wherein the poly(butylene terephthalate) comprises a first poly(butylene terephthalate) and a second poly(butylene terephthalate), wherein the first poly(butylene terephthalate) has an intrinsic viscosity of 0.70 - 0.80 dl/g and the second poly(butylene terephthalate) has an intrinsic viscosity of 1 .15 - 1 .40 dl/g, wherein the intrinsic viscosity is determined in accordance with ASTM D2857-95 (2007).

Polymer composition according to claim 4, wherein the poly(butylene terephthalate) comprises 70.0 - 85.0 wt% of the first poly(butylene terephthalate), with regard to the total weight of the poly(butylene terephthalate).

Polymer composition according to any one of claims 4-5, wherein the poly(butylene terephthalate) comprises 15.0 - 30.0 wt% of the second poly(butylene terephthalate), with regard to the total weight of the poly(butylene terephthalate).

Polymer composition according to any one of claims 1 -6 wherein the polyethylene is selected from a high-density polyethylene having a density of 940 - 970 kg/m3, a linear low-density polyethylene having a density of 915 - 939 kg/m3, or a low-density

polyethylene having a density of 910 - 940 kg/m3, wherein the density is determined in accordance with ISO 1 183-1 (2012), method A.

8. Polymer composition according to any one of claims 1 -7 wherein the polyethylene is a low-density polyethylene having a density of 918 - 922 kg/m3 as determined in accordance with ISO 1 183-1 (2012), method A.

Polymer composition according to any one of claims 1 -8 wherein the polyethylene is a low-density polyethylene having a zero-shear viscosity as determined using DMS with fit according to the Cross-model of≥ 15000 Pa-s.

Polymer composition according to any one of claims 1 -9, wherein the glass fibres have an average fibre diameter of 5.0 - 15.0 μηι, and an average fibre length of 3.0 - 5.0 mm.

Polymer composition according to any one of claims 1 -10., wherein the poly(butylene terephthalate) comprises polymeric units derived from 1 ,4-butanediol and polymeric units derived from terephthalic acid or dimethyl terephthalate.

12. Connector for connecting electric and electronic cables comprising the polymer

composition according to any one of claims 1 -1 1 .

13. Connector according to claim 12 wherein the connector has a wall thickness of < 0.5 mm.