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US 10,472,545 B2Granted
Sealing sheet
AssigneeNitto Denko Corporation
InventorsRyuuichi Kabutoya, Shigeki Muta, Masatoshi Suzuki, Tetsuya Hirose, Shinji Inokuchi
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Abstract
The present invention provides a sealing sheet containing a flame retardant adhesive sheet having a flame retardant-containing adhesive layer, wherein the flame retardant-containing adhesive layer has a void content of 5-40%.
Claims10
A sealing sheet comprising a flame retardant adhesive sheet having a flame retardant-containing adhesive layer,
- wherein the flame retardant-containing adhesive layer has a void content of 15-40%,
- wherein the flame retardant adhesive sheet has a substrate sheet laminated on one surface thereof,
- wherein the substrate sheet is a polytetrafluoroethylene (PTFE) sheet,
- wherein the flame retardant-containing adhesive layer is a flame retardant-containing polyoxyalkylene adhesive layer,
- wherein the flame retardant-containing polyoxyalkylene adhesive layer contains a tackifier resin,
- wherein the tackifier resin comprises a rosin based tackifier resin,
- wherein the flame retardant is a halogen-free flame retardant, and
- wherein the halogen-free flame retardant comprises ammonium polyphosphate (APP) and tricresyl phosphate(TCP).
5 more elements
Dependencies are inferred from the claim text.