Page 124 - Handbook of Adhesion Promoters

7.15 Maleic anhydride modified polymers 117

Composition: modifications of ethylene acrylate copolymer, ethylene vinyl acetate copolymer,
high density polyethylene, polyolefin resin, randon ethylene copolymer; >99% maleated polypro-
pylene (maleic anhydride grafted polypropylene ), <1% maleic anhydride; styrene and maleic
anhydride random copolymer; styrene, maleic anhydride and N-phenylmaleimide terpolymer; eth-
ylene-octene copolymer grafted with styrene and glycidyl methacrylate copolymer; >99% 2,5-
furandione modified ethylene/butene-1 polymer, <0.1% maleic anhydride
Empirical formula: (C4H2O3·C3H6)x Molecular mass: 5000-245000
PHYSICAL PROPERTIES
o
Acid #, mg KOH/g: 9-480 Color: clear, white, pale yellow Freezing point, C: 51-115
o
3
o
Density, at 20 C, kg/m : 875-962 Melting point, C: 67-134
o
Glass transition temperature, C: -53 to 180 Odor: slight, odorless, acidic
o
Melt flow rate, g/10 min at 192 C/2.16 kg: 1.02-20
o
Specific gravity at 25 C: 0.922-<1.0
State: solid/pellets, powder, granules, or flake
o
Thermal stability, TGA, C: 260-400
o
Viscosity at 190 C, mPa s: 18000-60000 Yellowness index: <70
HEALTH AND SAFETY
o
Autoignition temp., C: HMIS: fire, health, reactivity: 1, 1, 0
TDG class: not regulated NFPA: fire, health, reactivity: 1, 1, 0
ICAO/IATA class: not regulated
DOT, shipping name: not regulated
LD50, oral rat, mg/kg: >2000/maleated polypropylene, 400-800/maleic anhydride; >5000
LD50, dermal rabbit, mg/kg: slight/maleated polypropylene, severe irritation/maleic anhydride;
>2000
3
LC50 inhalation, rat, mg/m : >4350/1H/maleic anhydride
Hazardous combustion products: carbon monoxide, carbon dioxide, nitrogen oxides
3
ACGIH, mg/m : 0.01/maleic anhydride
3
OSHA PEL, mg/m : 1/maleic anhydride
OSHA, ppm: 0.25/maleic anhydride
ENVIRONMENTAL IMPACT
EC50, green algae, 96h, mg/l: >150/72H/maleic anhydride
EC50, Daphnia magna, 48h, mg/l: 330/maleic anhydride
EC50, Bluegill sunfish, 96h, mg/l: >75
EC50, Fathead minnow, 96h, mg/l: >100
USE
Manufacturer: DuPont, Eastman Chemical Company, Polyscope