SP-OF3472B - JIANGSU SINVO TECHNOLOGY CO., LTD.

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Oil dispersant

SP-OF3472B

Polymer surfactant with a comb-like structure formed by copolymerization of unsaturated monomers. Its good solvated side chains maintain compatibility between dispersed particles and the continuous phase, and the high charge density on the side chains enhances multi-point adsorption onto particle surfaces. Requires combination with SP-OF3462 emulsifier for effective improvement of milling efficiency, particle size reduction, and formulation stability.

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Product Details

1. Product Introduction

SP-OF3472B: A new type of polymer surfactant with a comb-like structure formed by copolymerization of unsaturated monomers. It is an excellent surfactant for environmentally friendly pesticide formulations like oil dispersions (OD). Its good solvated side chains maintain compatibility between dispersed particles and the continuous phase, and the high charge density on the side chains enhances multi-point adsorption onto particle surfaces. Requires combination with SP-OF3462 emulsifier for effective improvement of milling efficiency, particle size reduction, and formulation stability.

2. Physical and Chemical Properties

Item	Typical Value
Appearance (25°C)	Yellow viscous liquid
pH (1% aq., 25°C)	3.5
Pour Point	26.5°C
Non-volatile Matter (%)	99.5
Moisture (%)	0.15
Solubility	Dispersible in water; soluble in vegetable oils such as methyl oleate and soybean oil, but insoluble in mineral oil.

3. Application Examples

Formulation Name	With 2% SP-OF3472B	Without SP-OF3472B
15% Mesotrione OD	After 1 hour milling, D90 = 7.7 μm; no significant change after 14 days of heat storage.	After 1 hour milling, D90 = 15.6 μm; sediment at the bottom after 14 days of heat storage.
25% Thiamethoxam OD	After 1 hour milling, D90 = 4.1 μm; no significant change after 14 days of heat storage.	After 1 hour milling, D90 = 13.8 μm; oil separation >10% after 14 days of heat storage.
20% Dinotefuran OD	After 1 hour milling, D90 = 3.2 μm; no significant change after 14 days of heat storage.	After 1 hour milling, D90 = 9.8 μm; oil separation >10% after 14 days of heat storage.
3% Nicosulfuron + 8% Mesotrione + 24% Atrazine OD	After 1 year storage at room temperature, oil separation rate 5%, bottom sediment approx. 4%.	After 1 year storage at room temperature, oil separation rate 15%, bottom viscous material approx. 10%.
4% Nicosulfuron + 20% Atrazine OD	After 1 year storage at room temperature, oil separation rate 3%, bottom sediment approx. 2%, no significant change in viscosity.	After 1 year storage at room temperature, oil separation rate 10%, bottom sediment approx. 6%, lower half of sample thickened.

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