SUPERCHLON®

SUPERCHLON® is a chlorinated polyolefin which was introduced into the market in 1967 using NIPPON PAPER INDUSTRIES original production method. It shows high proformance of adhesion to polypropylene, thermoplastic olefin elastomer (TPO), and for low surface energy substrates containing olefinic material. It can be blended into primers, paints, inks, and adhesives to achieve excellent adhesion onto polyolefin-based substrates. Depending on the grade, it also adheres well to PET, ABS, nylon, and other substrates. With various softening points, chlorine content and molecular weight. SUPERCHLON® can be selected depending on the use, purpose and conditions. Available in waterborne, solventborne and pellets (or solids).

Characteristics

General relationships among chlorine content, molecular weight, and performance

Property	Chlorine content	Molecular weight
Solubility	Higher is better	Smaller is better
Compatibility with other resin	Higher is better	Smaller is better
Weatherability	Higher is better	Bigger is better
Oil resistance	Lower is better	Bigger is better
Heat resistance	Lowest at 32 - 34 %	Bigger is better
Drying properties	Higher is better	Bigger is better
Heat-seal strength	Lower is better	Bigger is better
Air-dry adhesion strength	Preferably 30 - 34%	Smaller is better
Pigment wettability	Higher is better	Smaller is better
Gloss of the coating film	Higher is better	Smaller is better
Tackiness of the coating film	Higher is less-Tackiness	Bigger is less-Tackiness

Correlation between chlorine content and heat-seal strength

Film : PP 50μm
Sealing conditions: 110 degrees C, 1kg/cm2, 1 sec
Exfoliation conditions: 1.5cm width, 180 degrees, 50mm/min

Correlation between chlorine content and softening temperature