Page 92 - Handbook of Surface Improvement and Modification

6.2 Additives used 87

Tall oil rosin ester

GENERAL INFORMATION
Name: tall oil rosin ester CAS #: 8050-26-8, 108-88-3
Weight average molecular mass: 680-1167 Biobased, wt%: 65-93
Polydispersity index: 1.1-1.3 Solids content, wt%: up to 100
Product composition: 99-100% rosin ester (ester of tall oil rosin); >99.8% stabilized pentaerythri-
tol ester of tall oil rosin; 60% stabilized pentaerythritol ester of tall oil rosin, 40% toluene; 50-60%
rosin dispersion based on crude tall oil, 40-50% water
PHYSICAL PROPERTIES
3
State: liquid, dispersion, solid/pastilles, pellets, flakes Density, kg/m : 870-1080
Color: off-white, clear amber, light yellow Acid #, mg KOH/g: 5-20
Color, Gardner scale: 2.4-3 (1:1 toluene) OH #, mg KOH/g: 15-50
o
o
o
Boiling point, C: 100-149 Softening, C: 78-100 T , C: -30 to 52
g
Vapor pressure, kPa: <0.00013 to 3.2
o
Viscosity at 125 C, mPas: 25-15,500
HEALTH & SAFETY
o
o
Autoignition, C: 399-480 Flash point, C: 4-260 Rat oral LD50, mg/kg: >2000
Rabbit dermal LD50, mg/kg: >2000
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.
3
OSHA, PEL, mg/m : 5/respirable fraction dust; 15/total dust
ECOLOGICAL PROPERTIES
Aquatic toxicity, Green algae, 96-h, LC50: >1000/72H
Aquatic toxicity, Daphnia magna, 48-h, LC50: >100
Aquatic toxicity, Fathead minnow, 96-h, LC50: >1000
Biodegradation probability: 0%/28d/not readily biodegradable
Partition coefficient, logK : 6.1-6.2
oc
Partition coefficient, logK : 3.6-4
ow
USE & PERFORMANCE
Outstanding properties: Provide extra-light color, low odor and excellent stability, low softening
point. Very good heat and aging stability. Low volatility at elevated temperature. Broad compati-
bility.
Recommended for polymers: acrylics, carboxylated SBR lattices, NR lattices over wide pH range,
EVA, EMA, NR, SBS, SEBS, SEPS, SIS, APO, APAO, paraffins and waxes, natural rubber, SIS
Recommended for products: bookbinding, graphic art, papers, packaging, PSA tapes and labels,
flooring, hygiene, sealants, non-woven, coatings, woodworking, pressure sensitive adhesion
(PSA), construction adhesion for flexible substrates, high-speed reverse gravure, slot die and cur-
tain coaters
Food approval FDA: 175.105 Adhesives, 175.125 Pressure Sensitive Adhesives, 175.300 Resin-
ous & Polymeric Coatings, 176.170 Components of Paper & Paperboard in Contact with Aqueous
& Fatty Foods, 176.180 Components of Paper & Paperboard in Contact with Dry Foods