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US 2013/0153832 A1Published application
Electrostatic dissipative composites
AssigneeSabic Global Technologies B.V.
InventorMohammad Moniruzzaman
Life of this patent
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Abstract
The present disclosure relates to thermoplastic electrostatic dissipative (ESD) composites. The disclosed composites comprise a thermoplastic resin phase and a plurality of intermediate modulus carbon fibers dispersed within the thermoplastic resin phase. Also disclosed herein are methods for the manufacture and/or use of the disclosed ESD composites as well as articles formed from such composites.
Claims20
An electrostatic dissipative composite, comprising
- a) a thermoplastic polymer matrix;
- and
- b) a plurality of carbon fibers having a tensile modulus in the range of from
- 38 to 48 million pounds per square inch (MSI) dispersed within the thermoplastic polymer matrix;
- wherein the composite exhibits a surface resistivity in the range of from 106 ohms to 109 ohms.
2 more elements
An electrostatic dissipative composite, comprising
- a) a thermoplastic polymer matrix;
- and
- b) a plurality of carbon fibers having a tensile modulus in the range of from
- 39 to 43 million pounds per square inch (MSI) dispersed within the thermoplastic polymer matrix;
- wherein the plurality of carbon fibers are present in the thermoplastic matrix in an amount in the range of from about 8 weight percent to about 16 weight percent relative to a total weight of the composite;
- and
- wherein the composite exhibits a surface resistivity in the range of from 106 ohms to 109 ohms.
4 more elements
A method for the manufacture of an electrostatic dissipative composite, comprising the steps of:
- a) providing a thermoplastic resin
- b) providing a plurality of carbon fibers having a tensile modulus in the range of from 38 to 48 million pounds per square inch (MSI);
- and
- c) combining the plurality of carbon fibers and the thermoplastic resin to provide a composite mixture wherein the plurality of carbon fibers are present in the mixture in an amount in the range of from about 8 weight percent to about 16 weight percent relative to a total weight of the mixture.
1 more element
Dependencies are inferred from the claim text.