UNISTOLE™ R is a modified polyolefin dispersed in a hydrocarbon-based
solvent using polyolefin modification and dispersion technology developed by Mitsui
Chemicals. The material is used as an adhesive for bonding metals to polyolefins,
such as bonding metal foil and PP for retort, PTP and easy peel packaging.
Metal foil when coated with this modified polyolefin can be thermally bonded
to PP film or sheet
Coating Process
Please
click to enlarge
UNISTOLE R can be used in food and medical and pharmaceutical packaging applications
such as:
|
 |
Retort packages |
| |
|
Easy peel packaging |
| |
|
PTP packaging |
Typical Applications
Please click to enlarge
There are several chlorine free grades of UNISTOLE R which can be used with basic equipment such as gravure, roll coaters and sprays.
View:
Grades of UNISTOLE™ R
UNISTOLE R adheres to various metals and is resistant to heat and retort treatment.
View:
Adhesion of PP with Various Metals Chart
With UNISTOLR R, bonding by extrusion-laminating PP onto the surface of aluminum
is possible.
View:
Bonding by Extrusion-laminating Diagram
Injection molding with UNISTOLR R coated metal sheet is possible.
| Bonding Conditions |
|
| Materials: |
FR nylon mold article |
Adhesive:
|
R-300 / toluene = 1/1 (coated by
brushing) |
| Baking: |
10 min. at 150°C |
| Mold temp.: |
40°C |
| Injection-molding resin: |
TPO (Milastomer 703OB) |
| Resin temperature: |
240°C |
| Injection speed: |
50% |
For more information on this polyolefinic primer
and adhesive, please contact the UNISTOLE product manager.
|
