Libraphos Series

The Libraphos series of free acid phosphate esters are 100% active anionic surfactants. Phosphate esters are based on alcohols, aromatic ethoxylates or alcohol ethoxylates. Libraphos phosphate esters are manufactured by either a polyphosphoric acid route giving predominantly mono esters or by a phosphorous pentoxide route to give predominantly di-esters. These phosphate esters can then be neutralised to achieve a variety of salts.

The Libraphos series of surfactants may be used in a number of applications due to their stability at high temperatures or in acidic or alkaline conditions. These attributes offer significant advantages over other surfactants.

Products from the Libraphos Series may be selected to perform a range of functions including:

Detergency
Emulsification
Foaming
Dispersing
Wetting
Antifoaming

Products in the Libraphos series are designed to give a range of properties depending upon the hydrophobe, phosphation agent and molar ratios used.

These properties can determine the selection of the Libraphos products for use in:

Alkaline Detergents

Metal Working Fluids

Emulsion Polymerisation

Libraphos Antiwear

Agricultural Formulations

Diester Products

Phosphorous Pentoxide based products yield a higher diester %

Product Name	Description	Active %	Acid Value
Libraphos AD	Potassium salt of Libraphos EP120	80	-
Libraphos EP120	Nonylphenol + 6EO diester	100	85 – 100 (pH 9.5)
Libraphos HC2A	2-ethylhexanol + 2EO diester	100	214 – 234 (pH 9.5)
Libraphos HC2K	Potassium salt of Libraphos HC2A	80	-
Libraphos HC3A	2-ethylhexanol diester	100	310 – 347 (pH 9.5)
Libraphos 1028	Tridecanol + 5EO diester	100	140 – 160 (pH 9.5)
Libraphos 1129	Tristyrylphenol + 15EO diester	100	0 – 40 (pH 5.5)
Libraphos 1134T	Triethanolamine salt of Libraphos 1129	100	-
Libraphos 1138	C12-14 alcohol + 4EO diester	100	150 – 170 (pH 9.5)
Libraphos 1145	C12-15 alcohol + 4EO diester	100	150 – 170 (pH 9.5)

Monoester Products

Poly phosphoric acid based products yield a higher monoester %

Product Name	Description	Active %	Acid Value
Libraphos P4	Phenol + 4EO monoester	100	160 – 170 (pH 5.5)
Libraphos L66	Potassium Salt of Libraphos P4	65	-
Libraphos 110	Cetylstearyl alcohol monoester	100	170 – 190 (pH 5.5)
Libraphos 110	Cetylstearyl alcohol monoester / Sodium Carbonate blend	100	-
Libraphos 1039	Tridecanol monoester	100	130 – 150 (pH 9.5)
Libraphos 1143	Nonylphenol + 9EO monoester	100	100 – 120 (pH 9.5)
Libraphos 1179	2-ethylhexanol monoester	100	310 – 350 (pH 9.5)