Saturated polyester resin for special adhesives PT-17
Applications：Screen printing adhesives; metal junction and film lamination; adhesives; adhesives for different substrates
Features: Ink binder; excellent adhesion; FDA certified CFR175.105, 175.300 and 176.170
performance
|
parameter |
unit |
Numerical value |
|
Exterior |
|
yellow flaky solid |
|
molecular weight |
g/mole |
26,000 |
|
Viscosity |
d.l/g |
0.69 |
|
glass transition temperature |
degree C |
17 |
|
Softening Point |
degree C |
105 |
|
Acid value |
KOH mg/g |
less than 3 |
|
OH value |
KOH mg/g |
2~5 |
|
stretch length |
kg /cm2 |
55 |
Dissolution method
Put all the solvents in the reactor, while stirring, put the PT-17 solid into the reactor; after adding all the components, raise the temperature of the reaction to 90~100 degrees, if using MEK and acetone, the temperature of the reactor Rise to 50-60 degrees, stir for two hours, the maximum pressure of the reactor: 2kg/cm2, turn off the heating system, continue stirring for one and a half hours, let the reactor cool down naturally, and stop stirring; after filtering the solution, put it into a 200kg bucket
Applicable solvent ：EK, toluene, xylene, solvesso, cyclohexanone, acid cellulose ester, isophorone, DBE
Starting Recipe ：Anti-Stick Screen Printing Adhesive
|
White |
PT-17 16.5parts |
PET or PVC film lamination, steel or PET film formula: PT-17+PT-65
Adhesive formula :PT-17+PT-65+Isocyante[L75]
Adhesives for Flexible Flat Cables
PT-17S(50%) 30.0part
PT-65S(50%) 20.0part
TiO2 18.0part
Flame Retardant (Br) 30.0part
Additives 2.0part
Metal foil adhesive formula: PT-17+solvent (16~20%)+L75 (5% of solid content)
Packaging: 25KG/carton
