Glycerol Ester Of Gum Rosin Introduction
Glycerol ester
of gum rosin is obtain by esterification of gum rosin and glycerol.It is
shaped into pale yellow irregular granular of lump transparent solid by
vacuum process.It is an excellent tacky resin exhibiting high
viscosity,good heat resistance and fine solvability (compatibility) with
various kinds of polymers.
Product Properties:glycerol ester of
gum rosin is easily soluble in ethers,acetone (propanone),coal
tar,esters,benzenes and other solvents and partly soluble in petrolic
solvents.It is characterized by light color,superior yellowing
resistance,good heat stability and antioxidancy,strong adhensive
force.It can solve in various polymers in any ratio.
Application:glycerol ester of gum
rosin is widely applied in the industries of hot melt pressure sentitive
adhesive,solvent pressure sensitive adhesive and hot melt adhesive.It
can enhance the initial and permanent adhesion of high pressure
sensitive adhesive.It is compatible with the high polymers such as
NR,CR,SIR,SZS,SBS and EVA.
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