MAKON® 17R4 stands as a nonionic reverse eo/po block copolymer that exhibits fast-breaking, low foaming, defoaming properties, and strong detergency. Its applicability spans numerous markets, from industrial and institutional to pulp and paper and textiles. It can be utilized in metalworking fluids, dispersants, industrial lubricants, agricultural pesticide formulations, and low foaming detergents. Like other products in the makon® line, it is a low ash product.

Chemical Name: Polyalkylene Oxide Block Copolymer

Functions: Dispersant, Dispersant, Emulsifier, Surfactant, Surfactant (Nonionic)

Labeling Claims: Kosher

Certifications & Compliance: Kosher

Knowde Enhanced TDS

Identification & Functionality

Cleaning Ingredients Functions
Fluids & Lubricants Functions
Industrial Additives Functions
CAS No.
9003-11-6
EC No.
618-355-0
Chemical Structure

MAKON® 17R4 - Chemical Structure

Surfactant Type

Nonionic.

Features & Benefits

Labeling Claims
Industrial Additives Features
Features

Preservative Free

Defoaming Action

Controlling protein-based foam is crucial in many applications such as CIP, machine dishwash applications and rinse aids. In Figure 5 and 6, we evaluated the effectiveness of low foam nonionic surfactants in their ability to suppress foam in the presence of egg white and alkalinity, and in the presence of whole milk soils. All products show great defoaming performance for egg white. MAKON NF-180, MAKON 17R2 and MAKON 17R4 show great defoaming performance for milk soil.

 

MAKON® 17R4 - Defoaming Action

Method: Air sparging method with Dynamic Foam Analyzer (0.5L/min air injection for 25 seconds), 2 wt% egg white in 1 wt% sodium hydroxide (NaOH), 0.02 wt% surfactant, 50°C.

 

MAKON® 17R4 - Defoaming Action - 1

 

Method: Air sparging method with Dynamic Foam Analyzer (0.3L/min air injection for 25 seconds), whole milk (4 wt% dried substance), 0.05 wt% surfactant, 50°C.

EO/PO Block Copolymers

EO-PO-EO block copolymers are best used as individual low-foam surfactants when the EO content is lower, such as MAKON L61 and MAKON L101. Figure 3 shows Stepan’s EO/PO block copolymers that generate less than 1 cm of foam. PO-EO-PO reverse block copolymers, such as MAKON 17R2 and MAKON 17R4, are good foam controllers in the presence of other foaming sources. Reverse block copolymers also create a destabilization of foam structure (Figure 4) and can enhance foam break.

Figure 3: Foamability

MAKON® 17R4 - Eo/Po Block Copolymers

Method: Spinning method with Dynamic Foam Analyzer (6,000 rpm, 25 seconds), 0.05 wt% surfactant in deionized water at 25°C.

Figure 4: Foam Structure

MAKON® 17R4 - Eo/Po Block Copolymers - 1

Method: Spinning method with Dynamic Foam Analyzer (6,000 rpm, 25 seconds), 0.2 wt% lauramine oxide in deionized water at 25°C (control), and 0.02 wt% reverse block copolymer.

 

Applications & Uses

Fluids & Lubricants Type
Fluids & Lubricants End Use
Industrial Additives End Use
Applications

MAKON 17R4 is a nonionic reverse EO/PO block copolymer that exhibits fast-breaking, low foaming and defoaming properties and good detergency. MAKON 17R4 can be used in a variety of markets including Industrial, Institutional, Pulp and Paper, Textiles, and Household. Applications for best fit are metalworking fluids, dispersants, industrial lubricants, agricultural pesticide formulations, and low foaming detergents. MAKON 17R4 is a low ash product.

Properties

Physical Form
Appearance
Clear liquid (at 25°C)
Typical Properties
ValueUnitsTest Method / Conditions
Average Molecular Weight2650g/mol
pH (2.5% in aqueous solution)6.5
Actives Content100%
Water Contentmax. 0.2%
Colormax. 80Apha Scale
HLB12
Cloud Point (in 10% Aqueous Solution)31°C
Hydroxyl Value43mg KOH/g
Cloud Point (in 1% aqueous solution)46°C
Pour Point10°C
Flash Pointmin. 94°CPMCC Flash Point Tester
Viscosity (at 25°C)531cPs
Density (at 25°C)1.05g/ml
Density (at 38°C)1.04g/ml
Surface Tension (in 0.1% aqueous solution)45.2dynes/cm
Interfacial Tension with Light Mineral Oil (0.1% Aqueous)17.5dynes/cm
Draves Wetting (at 25 °C, in 1.0% aqueous solution)min. 90sec
Blender Foam Height (at 25 °C, in 0.1% aqueous solution, 5 min)0mm
Blender Foam Height (at 25 °C, in 0.1% aqueous solution, 5 min)2mm
Blender Foam Height (at 25 °C, in 0.1% aqueous solution, Initial)2mm
Blender Foam Height (at 25 °C, in 0.1% aqueous solution, Initial)33mm
Draves Wetting (at 25 °C, in 0.1% aqueous solution)min. 90sec
Viscosity (at 38°C)225cPs
Blender Foam Height (at 50 °C, in 0.1% aqueous solution, Initial)0mm
Solubility (25 °C, Water)min. 10wt%
Regulated Volatile Organic Chemicals0%U.S. EPA

Regulatory & Compliance

Certifications & Compliance

Packaging & Availability

Standard Packaging

MAKON 17R4 is available in drums, totes, and bulk quantities.

Storage & Handling

Storage & Handling
  • Non-Bulk Storage Recommendations: MAKON 17R4 should be stored in closed containers and kept in a cool, dry place away from incompatible materials (see Section 10 of the SDS). If material is frozen, it may be fluidized by warming with a drum heater or in a steam room. Drums should be vented prior to heating to avoid excessive pressure build up.
  • Bulk Storage Recommendations: MAKON 17R4 should be stored in vessels of 316 stainless steel, but carbon steel is adequate assuming effective moisture exclusion. Elevated storage temperature may be desirable to maintain ease of pumping.
  • Product temperatures over 122 °F (50 °C) are not recommended.
  • Normal safety precautions (i.e., gloves and safety goggles) should be employed when handling MAKON 17R4. Contact with eyes, nose or prolonged contact with skin should be avoided. Wash thoroughly after handling MAKON 17R4.