Pressure-sensitive adhesive tape
US6063493A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Dec 11, 1997 |
| Grant date | May 16, 2000 |
| Priority date | — |
| Expiry date | Dec 11, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2848
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A pressure-sensitive adhesive tape which is a laminate made up of (1) a woven fabric layer whose warp and weft are thermoplastic-resin-made flat yarns, (2) a layer of polyethylene having a density (D) of 0.875 to 0.917 kg/cm.sup.3 and an MFR of 1 to 25 g/10 min, laminated to one surface or both surfaces of the woven fabric layer, and (3) a pressure-sensitive adhesive layer laminated to the polyethylene layer (2), wherein the laminate fulfills the following relationship: EQU W.ltoreq.-0.03T+2.4 in which T represents the thickness (.mu.m) of the polyethylene layer, and W represents the tear strength (kg) of the pressure-sensitive adhesive tape in the crosswise direction thereof, wherein the pressure-sensitive adhesive tape can be cut by hand in the direction rectangular to the longer direction of the tape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.