HEATABLE MOLDED ARTICLES MADE FROM ELECTRICALLY CONDUCTIVE THERMOPLASTIC POLYURETHANE

摘要

The present invention relates to a method of using a composition (Z1) at least comprising an elastomer (E1) and an at least 90% carbon-based conductivity-conferring additive (A1) in the manufacture of an electrically heatable shaped article for the automotive sector, wherein said composition (Z1) has a Shore hardness A, determined as per DIN 53505, in the range from 30 to 95, an electric specific volume resistivity, determined as per ISO 3915, of below 1×102 ohm×cm and above 0.01 ohm×cm, and also a breaking extension, determined as per DIN 53504, of above 300%. The present invention further relates to a method of preparing an electrically heatable shaped article for the automotive sector comprising a composition (Z1) and also to electrically heatable shaped articles for the automotive sector comprising a composition (Z1).

主权项

1. A method for manufacturing an electrically heatable shaped article for an automotive sector, the method comprising:
employing a composition (Z1) comprising an elastomer (E1) and at least 90% carbon-based conductivity-conferring additive (A1), wherein said at least one carbon-based conductivity-conferring additive (A1) is graphene, and said composition (Z1) has the following properties:
a Shore hardness A, determined per DIN 53505, in a range from 30 to 95,an electric specific volume resistivity, determined per ISO 3915, of below 1×102 ohm×cm and above 0.01 ohm×cm, anda breaking extension, determined per DIN 53504, of above 300%.