Extrusion & Post
11 görüntüleme
MP blended with incompatible resin delamination
Sorun Belirtisi
MP blended with polar resins such as PA/ABS, extrudate completely delaminated, mechanical properties extremely poor
Neden Analizi
MP and polar resin have large polarity difference, compatibility is zero, interfacial adhesion extremely low, no compatibilizer used
Çözüm
1) use MP graft compatibilizer MP-g-MAH 2-5wt%; 2) add epoxy-type compatibilizer 1-2wt%; 3) MP addition <10wt% to keep the other resin as the continuous phase; 4) twin-screw high-shear compounding to disperse MP <0.3μm
Temel Çıkarım
blends with large polarity difference require a reactive compatibilizer to form chemical bonding at the interface to solve
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