DYNACOLL® 7230 Copolyester

Technical Documents

DYNACOLL® 7000 products are linear copolyesters with primary hydroxyl functionality and medium molecular weight. The 7300 series is a crystalline.

Details

Producer
Other Applications

building block system
allowing the tailormade production of reactive hot melts (RHM)

Technical data

Quantity Value Unit Comment
Physical Properties
Viscosity 10000 cP @Temperature 80.0 °C
Molecular weight 3500 g/mol
Density 1.17 g/ml @Temperature 23.0 °C
Thermal Properties
flash point >200 ºC
Glass transition Temperature -30.0 ºC
Mechanical Properties
Elongation at break-MD 900 % with MDI; OH:NCO=1:2.3
Tensile strength 15.0 MPa with MDI; OH:NCO=1:2.3
Chemical Properties
Hydroxyl number 27 - 34 mg KOH/g
Acidity number <2.0 mg KOH/g