Gas blocking, high temperature conductor-insulation adhesive

An adhesive composition, comprising:

• 100 parts by weight of a polyolefin polymer derived from an olefin monomer copolymerized with at least one co-monomer that is different form the olefin monomer, where in the polyolefin polymer comprises an anhydride group grafted thereon;
• 0.1˜5 parts by weight of an antioxidant;
• and
• 0.5˜15 parts by weight of a curative agent.

A conductor cable, comprising:

• a conductor wire;
• an insulation layer;
• and
• an adhesive layer bonding the insulation layer to the conductor wire, wherein the adhesive layer is derived from an adhesive composition comprising:
• 100 parts by weight of a polyolefin polymer derived from an olefin monomer copolymerized with at least one co-monomer that is different form the olefin monomer;
• 1˜100 parts by weight of an adhesion promoting agent comprising a polybutadiene polymer, which has a molecular weight of 1,000˜10,000 and has an anhydride group grafted thereon;
• 0.1˜5 parts by weight of an antioxidant;
• and
• 0.5˜15 parts by weight of a curative agent.

A conductor cable, comprising:

• a conductor wire;
• an insulation layer;
• and
• an adhesive layer bonding the insulation layer to the conductor wire, wherein the adhesive layer is derived from an adhesive composition comprising:
• 100 parts by weight of a polyolefin polymer derived from an olefin monomer copolymerized with at least one co-monomer that is different form the olefin monomer, where in the polyolefin polymer comprises an anhydride group grafted thereon;
• 0.1˜5 parts by weight of an antioxidant;
• and
• 0.5˜15 parts by weight of a curative agent.

A method for manufacturing a conductor cable, comprising:

• coating an adhesive composition on a conductor wire using an extrusion technique;
• coating an insulation composition over the coating of the adhesive composition;
• and
• vulcanizing the adhesive composition and the insulation composition to produce the insulated conductor cable.