EFKA® PA 4401

Irgafos 168 is a hydrolytically stable phosphite processing stabilizer. As a secondary antioxidant, Irgafos 168 reacts during processing with hydroperoxides formed by autoxidation of polymers preventing process induced degradation and extending the performance of primary antioxidants.

Additional information

Supplier

Additive Classification

Antioxidant

Industry

Automotive & Transportation, Building & Construction, Home Renovation, Marine Vessels, Paints & Coatings

General

high-molecular-weight dispersing agent
Efka® PA 4401 is a polymeric dispersant for stabilizing inorganic and organic pigments. This results in:
• improved gloss and DOI
• reduced flooding
• high color strength
• broad compatibility from low- to high-polarity systems, including nitrocellulose.

Chemical Nature

modified polyacrylate

Typical properties(no supply specification)

Solvent n-butyl acetate/2-butanol
density at 20 °C (68 °F) ~ 0.95 g/cm³
Density at 20 °C (68 °F) ~ 50 %
flash point 24 °C (75°F)
amine value ~ 51 mg KOH/g
color ≤ 5

Applications

Efka® PA 4401 is recommended for all kinds of high-quality solventbased industrial coatings including automotive topcoats as well as pigment concentrates.Care should be taken with Efka® PA 4401 because of its tendency to yellowing and gelling when combined with chlorinated polymers. It also has a tendency to yellowing when combined with solvent-free epoxies.

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Brand:Trigonox®
Chemical family:Organic peroxide
CAS number:6731-36-8
Physical form:Liquid
Molecular Weight:302.5
Chemical name:1,1-Di(tert-butylperoxy)-3,3,5-trimethylcyclohexane, 90% solution in isododecane

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Brand:Trigonox®
Chemical family:Organic peroxide
CAS number:80-15-9
Physical form:Liquid
Molecular Weight:152.2
Chemical name:Cumyl hydroperoxide

Trigonox® K-90

Brand:Trigonox®
Chemical family:Organic peroxide
CAS number:80-15-9
Physical form:Liquid
Molecular Weight:152.2
Chemical name:Cumyl hydroperoxide

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Brand:Trigonox
Chemical family:Organic peroxide
CAS number:26748-41-4
Physical form:Liquid
Molecular Weight:244.4
Chemical name:tert-Butyl peroxyneodecanoate, 75% solution in isododecane

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Brand:Trigonox
Chemical family:Organic peroxide
CAS number:1338-23-4
Physical form:Liquid
Chemical name:Methyl ethyl ketone peroxide, in solvent mixture

ZC-907 Vinyl Resin

Brand:Polylite
Appearance: light yellow transparent liquid
Density: 1.06±0.02kg/L
Viscosity: 430±150 cps (LVT#3-60rpm/25℃)
Solid content: 62±1.5%
Gelation time: 15-25 minutes

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