Patent ID: 11859109
Assignee: DDP SPECIALTY ELECTRONIC MATERIALS US 9, LLC
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 11:
12. The polyurethane adhesive composition according to claim 8, comprising:
(a) 30 to 65 wt. % of the one or more urethane prepolymers having isocyanate moieties, based on the weight of the polyurethane adhesive composition;
(b) 0.1 to 2.6 wt. % of the one or more catalysts, based on the weight of the polyurethane adhesive composition;
(c) 15 to 23 wt. % of the one or more forms of carbon black, based on the weight of the polyurethane adhesive composition;
(d) 8 to 20 wt. % of the one or more calcium carbonates and 0.7 to 3 wt. % of the one or more silane adhesion promoters, based on the weight of the polyurethane adhesive composition; and
(e) 0.4 to 2 wt. % of the one or more polyalkylene glycols, based on the weight of the polyurethane adhesive composition.