Polyvinly butyral resin B265H-B
Molecular structure:
Product performance:
It has comprehensive properties such as high transparency, impact resistance, high tensile strength, good weather resistance, wear resistance, oil resistance,
chemical resistance, and elasticity. And it has good film-forming and adhesive properties for materials such as glass, metal, wood, ceramics, leather,etc.It is
compatible with various resins, such as phenolic resin, urea formaldehyde resin, melamine resin, epoxy resin, nitrocellulose, natural resin, etc.
Typical applications:
For ceramic substrate adhesive, electronic casting paste adhesive, printing ink, structural adhesive and other diversified uses.
Physical properties:
|
Item |
value |
|
Solution viscosity(10% ethanol solution, @20 ℃) |
1000- 1500cps |
|
Volatile Content |
≤3.0% |
|
Hydroxyl Content |
17.0- 19.0% |
|
Butyral Content |
76.0-79.0% |
|
Acetate Content |
0-2.5% |
|
Tg |
72.0-78.0℃ |
|
Molecuar Weight |
130- 170 × 103 |
TGA:IN Air
B265H-B Application Scheme in Ink System
*This product is modified based on traditional PVB and can achieve high temperature non O yellowing (@200 C for 30 minutes) and good low-temperature frost resistance (viscosity does not change much during low-temperature storage and will not turn into jelly like)
*Arrange the silver powder properly
*Has excellent wetting and dispersing properties for pigments, and improves color development
Reference formula
10- 15% B265H- B(BCS Solvent） 100
Bi7982 (Blocked isocyanates） 10
NPSN901 (Epoxy resin South Asia） 6-10
Z- 6040 2
MF1014 2-4
Silver paste 20-30
Baking conditions：160 C- 180 C 10- 15mins