Acid Modified Chlorinated Polyolefin

Acid-modified chlorinated polyolefin has an excellent adhesion to polypropylene substrate and also gives an excellent adhesion to a top coat based on polyurethanes, acrylics, melamines, epoxies and alkyds.

Characteristics

Appearance	Clear - Pale yellow, viscous liquid
Solvent	Toluene or other mixed solvent
Dry film	Clear, transparent and flexible
Chlorine content (%)	19 - 29%
Solubility	Generally soluble in aromatic hydrocarbons
Viscosity	Depends on chlorine content and degree of polymerization

Products

Maleic Anhydride modified Chlorinated Polyolefin (pellet or solid)

Grade	Chlorine content(%)	Viscosity (mPa・s, 25 deg C)	Solid content (%), Solvent	Usage
3228S	28	10 - 70	30%, Tol/IPA=97/3	Primer for PP
822S *	24.5	20 - 80	20%, Tol/IPA=97/3
892LS *	22	20 - 80	20%, Tol/CH/IPA=64/33/3
930S *	21	20 - 100	20%, Tol/CH/IPA=87/10/3
3221S	21	5 - 50	20%, Tol/CH/IPA=64/33/3
2319S	19.5	20 - 100

• *A solventborne product is also available.

• The above numbers are for reference only.
• Tol: Toluene, CH: Cyclohexane, IPA: Isopropyl alcohol

Applications

Paint	Primer for polypropylene (PP) and/or thermoplastic olefin elastomer (TPO) (Bumper, wheel cap and other automotive parts)
Adhesive	Laminating adhesive for PP and/or TPO

Example

Paint on PP/TPO with primer

Example of Formulation

	Portion (weight)
SUPERCHLON 822 (20% toluene solution)	100.0
TiO2 (Rutile-type)	5.0
Carbon black	0.1
Thixotropic agent (Polyamid-type)	0.1～0.3
Stabilizer (Epoxy resin)	0.4