配方类型:

MISCELLANEOUS

配方说明:

Thickening Urea and Concentrated Ammonia

配方组成:

Ammonia (28% solution)/2.0
Ammonia (28% solution)/3.0
Urea/32.0
"Carbopol" 934 resin pH/2.0
/7.6
/8.5
Brookfield viscosity, 20 rpm/100,000.0
Water/-
Ammonia (28% solution)/98.0
Urea/-
"Carbopol" 934 resin pH/2.0
Urea/46.0
Brookfield viscosity, 20 rpm/102,000.0
/11.5
Brookfield viscosity, 20 rpm/56,000.0
Water/47.0
Water/64.0
"Carbopol" 934 resin pH/4.0

配制方法:

Dissolve the urea in the water.
Disperse the Carbopol 934 in the urea solution and neutralize with the ammonium hydroxide.
For the ammonia gel, add the Carbopol 934 directly into the concentrated ammonia solution and stir until the gel is uniform.