US2006194043A1PendingUtilityA1

Double-sided pressure-sensitive adhesive tape or sheet and process of producing the same

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Assignee: NITTO DENKO CORPPriority: Oct 1, 2003Filed: May 10, 2006Published: Aug 31, 2006
Est. expiryOct 1, 2023(expired)· nominal 20-yr term from priority
Inventors:Naoyuki NishiyamaYoshikazu SoedaHironori TamaiHiroshi WadaKazuyuki YaguraHiroshi Yamamoto
C09J 2301/124C09J 2301/312G02F 2202/28C09J 7/20C09J 7/22C09J 7/405C09J 7/38Y10T428/24959C09J 2433/00Y10T428/28Y10T428/2848Y10T428/1476
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Claims

Abstract

The double-sided pressure-sensitive adhesive tape or sheet is a double-sided pressure-sensitive adhesive tape or sheet containing a support having a pressure-sensitive adhesive layer on the both surfaces thereof, characterized in that the double-sided pressure-sensitive adhesive tape or sheet has a total thickness including the thickness of the support and the two pressure-sensitive adhesive layers formed on the both surfaces of the support of 0.003 mm or more and less than 0.03 mm and a breaking strength of from 2 to 26 MPa/10 mm-width. The support preferably has a thickness of from 0.002 to 0.012 mm. As the support, plastic films (especially, a polyethylene terephthalate film) are suitable. The double-sided pressure-sensitive adhesive tape or sheet may have a length of 5 m or more and have a roll-wound form.

Claims

exact text as granted — not AI-modified
1 . A double-sided pressure-sensitive adhesive tape or sheet comprising a support having a pressure-sensitive adhesive layer on the both surfaces thereof, wherein the double-sided pressure-sensitive adhesive tape or sheet has a total thickness including the thickness of the support and the two pressure-sensitive adhesive layers formed on the both surfaces of the support of 0.003 mm or more and less than 0.03 mm and a breaking strength of from 2 to 26 MPa/10 mm-width.  
   
   
       2 . The double-sided pressure-sensitive adhesive tape or sheet according to  claim 1 , wherein the support has a thickness of from 0.002 to 0.012 mm.  
   
   
       3 . The double-sided pressure-sensitive adhesive tape or sheet according to  claim 1 , wherein the support is a plastic film.  
   
   
       4 . The double-sided pressure-sensitive adhesive tape or sheet according to  claim 3 , wherein the support is a polyethylene terephthalate film.  
   
   
       5 . The double-sided pressure-sensitive adhesive tape or sheet according to  claim 1 , wherein the double-sided pressure-sensitive adhesive tape or sheet has a length of 5 m or more and has a roll-wound form.  
   
   
       6 - 11 . (canceled)

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