Page 159 - Handbook of Surface Improvement and Modification

154 Anti-cratering and Leveling

10.2 ADDITIVES USED

Polyacrylates

GENERAL INFORMATION
Name: polyacrylates CAS #: 7631-86-9; 34590-94-8; 64742-95-6; 19549-80-5
Solids content, wt%: 52 to >99
Product composition: polyacrylate 47-52% in 1-methoxy-2-propanol acetate; polyacrylate, sol-
vent-free; polyacrylate 44-47% in solvent naphtha, petroleum, light aromatic, 1-2% cumene; poly-
acrylate copolymer 20-21% in 2-methoxymethylethoxypropanol; 63% polyacrylate, adsorbed on
31-41% silica; acrylic polymer in xylene, Aromatic 100; acrylic copolymer, neutralized by amine,
silicone free; modified acrylic copolymer
PHYSICAL PROPERTIES
State: liquid, solid, powder Odor: characteristic, mild, aro- Color: colorless, white, amber,
matic, acrylic-like, solvent-like light yellow, light brown
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3
Acid #, mg KOH/g: 2-5 Boiling point, C: 137 to 200 Density, kg/m : 900-1350
pH: 9.4 Iodine #, g/100 g: 1-2 Refractive index: 1.464-1.467
Vapor pressure, kPa: 0.001-0.008
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Viscosity at 20 C, mPas: 50-190,000 Volatility, %: 1-48
HEALTH & SAFETY
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o
Autoignition, C: >150 to 450 Flash point, C: 23 to >200
Rat oral LD50, mg/kg: 1400/cumene; 3155/1-methoxy-2-propanol acetate; 3523/xylene, >3500/
ethylbenzene; >4000/solvent naphtha; >5000/DPM; 5800/2,6-dimethylheptan-4-one; >20000/
acute
Rabbit dermal LD50, mg/kg: 1700/xylene; >2000/fluorinated polymer; 3480/solvent naphtha;
>5000/1-methoxy-2-propanol acetate; 5510/ethylbenzene; >9500/DPM; 16000/2,6-dimethylhep-
tan-4-one
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. IARC Group 2B:
Possibly carcinogenic to humans.
OSHA, PEL, ppm: 50/cumene; 100/DPM; 100/ethylbenzene, 100/xylene, STEL/150/xylene
3
OSHA, PEL, mg/m : 80/SiO /dust
2
UN/NA class: 1268, 1993, 3272
ECOLOGICAL PROPERTIES
Aquatic toxicity, Bluegill sunfish, 96-h, LC50: >1000