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US 9,708,510 B2Granted
Pressure-sensitive adhesive composition, pressure-sensitive adhesive sheet, and moisture-permeable waterproof pressure-sensitive adhesive sheet
AssigneeNitto Denko Corporation
InventorsYouhei Hayashi, Hiroki Fujii, Tetsuro Taga, Shinichiro Kose, Yoshiaki Mitsuoka, Akihiro Kiriyama
Life of this patent
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Abstract
A pressure-sensitive adhesive composition includes 100 parts by mass of a rubber component containing 40 to 93 mass % of a butyl rubber and 7 to 60 mass % of a polyisobutylene and 82 to 128 parts by mass of a softener having a kinetic viscosity at 40° C. of 100 to 9,000 mm2/s.
Claims8
A pressure-sensitive adhesive composition comprising:
- 100 parts by mass of a rubber component containing 40 to 93 mass % of a butyl rubber and 7 to 60 mass % of a polyisobutylene;
- and
- 82 to 128 parts by mass of a softener having a kinetic viscosity at 40° C. of 100 to 9,000 mm2/s,
- wherein a pressure-sensitive adhesive layer formed from the pressure-sensitive adhesive composition has a pressure-sensitive adhesive force of 3.0 N/25 mm or more in a temperature range of −10° C. to 60° C.
1 more element
A pressure-sensitive adhesive sheet comprising:
- a pressure-sensitive adhesive layer formed from a pressure-sensitive adhesive composition containing:
- 100 parts by mass of a rubber component containing 40 to 93 mass % of a butyl rubber and 7 to 60 mass % of a polyisobutylene;
- and
- 82 to 128 parts by mass of a softener having a kinetic viscosity at 40° C. of 100 to 9,000 mm2/s,
- wherein the pressure-sensitive adhesive layer has a pressure-sensitive adhesive force of 3.0 N/25 mm or more in a temperature range of −10° C. to 60° C.
2 more elements
A moisture-permeable waterproof pressure-sensitive adhesive sheet comprising:
- a moisture-permeable waterproof sheet;
- and
- a pressure-sensitive adhesive sheet laminated on the moisture-permeable waterproof sheet, wherein
- the pressure-sensitive adhesive sheet includes a pressure-sensitive adhesive layer formed from a pressure-sensitive adhesive composition containing:
- 100 parts by mass of a rubber component containing 40 to 93 mass % of a butyl rubber and 7 to 60 mass % of a polyisobutylene;
- and
- 82 to 128 parts by mass of a softener having a kinetic viscosity at 40° C. of 100 to 9,000 mm2/s,
- wherein the pressure-sensitive adhesive layer has a pressure-sensitive adhesive force of 3.0 N/25 mm or more in a temperature range of −10° C. to 60° C.
5 more elements
Dependencies are inferred from the claim text.