Page 51 - Handbook of Surface Improvement and Modification

46 Gloss Enhancement

3.2 ADDITIVES USED

Wax-based additives

GENERAL INFORMATION
Name: wax-based additives Mixture: yes Active ingredient, wt%: 35-100
Product composition: non-ionic aqueous carnauba wax emulsion; non-volatile wax compound
based on hard microcrystalline wax, PTFE wax; solvent-based wax dispersion; micronized, hydro-
philic PTFE-modified polyethylene wax; a micronized blend of carnauba and polyethylene wax;
PTFE modified blend of polyethylene and carnauba wax.
PHYSICAL PROPERTIES
State: liquid or solid Color: colorless, white, off-white, yellowish, tan
o
Melting point, C: 81-145 (wax component Acid #, mg KOH/g: <1
3
Particle size, μm: 4-22 pH: 6.5-8.5 Density, kg/m : 900-1100
HEALTH & SAFETY
o
Flash point, C: 125-232 Rat oral LD50, mg/kg: >5000
Carcinogenic: NTP, IARC, OSHA, ACGIH: No component of this product present at levels
greater than or equal to 0.1% is identified as a known or anticipated carcinogen.
ECOLOGICAL PROPERTIES
Biodegradation probability: readily biodegradable
USE & PERFORMANCE
Outstanding properties: Increases surface slip and gloss in aqueous leather coatings. It also
improves the scratch and abrasion resistance. Excellent rub resistance, abrasion and scratch resis-
tance with good gloss retention, outstanding slip, and anti-blocking. Provides surface lubricity and
scratch resistance without adversely affecting clarity as well as gloss. Offers surface protection
characteristics in critical applications where clarity and high gloss are critical.
Recommended for polymers: alkyds, acrylics, amide acrylates, nitrocellulose, PU, polyester, water-
reducible alkyds
Recommended for products: flexographic inks, lithographic and offset inks, leather, overprint var-
nishes, wood and industrial coatings
Concentrations used, wt%: 0.5-15
Food approval FDA: 175.105 Adhesives, 176.170 Components of paper and paperboard in contact
with aqueous and fatty foods, 176.180 Components of paper and paperboard in contact with dry
food