Rosin, Hydrogenated
time:2012-10-05 16:32:06,count:0

Rosin, Hydrogenated
Alias
Hydrogenated rosin
Rosin, partially hydrogenated
Category
Anionic surfactants-Carboxylate
CAS No.
65997-06-0
Structural Formula
Dihydroabietic acid:
Tetrahydroabietic acid:
Properties
Appearance: slightly yellow to yellow-red transparent solid. pale yellow transparent solid (typical).
Solubility: insoluble in water. soluble in ethanol, benzene.
Stability: stable.
Risk: irritation, irritation to skin, eye.
Ecology: may be hazardous to environment. Water body should be given special attention.
Biodegradability: biodegradable.
Characteristics: excellent film-forming, dispersing, lubricating, cleansing, preservative, antiseptic, emulsifying abilities.
Synthesis
 
Quality standards & test methods
 
item
physical and chemical indexes
 
test methods
ordinary hydrogenated
Highly hydrogenated
super
1
2
super
1
acid value, mg/g, ≥
162
160
158
164
160
 
softening point (ring and ball method), ℃, ≥
72
71
70
73
72
 
ethanol insoluble material, %, ≤
0.02
0.03
0.04
0.02
0.03
 
unsaponifiable material, %, ≤
7
8
9
7
8
 
abietic acid, %, ≤
2
2.5
3
0.5
1
 
dehydroabietic acid, %, ≤
10
10
15
8
10
 
tetrahydro resin acid, %, ≥
/
/
/
30
30
 
Major Uses
Use as adhesives. eg: hot melt adhesives, pressure sensitive adhesives.
Flux in electronics industry.
Softening agent, plasticizer, vulcanization promoting agent in synthetic rubber. can enhance  strength of synthetic rubber.
Film-forming agent in paint.
Wetting agent in pigments.
Coloring carrier in printing ink.
Use as dispersing agent, emulsifying agent.
Manufacturers
 
Update: 20131114(1);

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