13 сентября, 2015 
Malyar Polyolefin bonding has been advanced using cyanoacrylates through the use of surface primers. These primers promote adhesion to untreated polyethylene (PE), polypropylene (PP), and EPDM rubber. Table 7 shows comparison bonds using standard industrial — grade cyanoacrylates.
|
PE/PE |
PP/PP |
|||
|
Lap shear (psi) |
Primed Unprimed |
Primed |
Unprimed |
|
|
After 15 min, room temperature |
90 |
50 |
185 |
52 |
|
After 24 h, room temperature |
108 |
50 |
200 |
52 |
|
Figure 7 Durability of cyanoacrylate adhesives. Asterisk denotes substrate failure. |
Опубликовано в рубрике 