
Technical Data Sheet
Connecting the World Through Top-Quality and Eco-Friendly Technology

Technical Data Sheet
Connecting the World Through Top-Quality and Eco-Friendly Technology
G Polytec
G Polytec
SULFADIOL®-7Q
(GS-7Q)
GS-7Q is an anionic, reactive emulsifier. Unlike conventional anionic emulsifiers, it can provide formulation stability without adding a neutralizing agent (counter-ion), which is typically required for stabilization. GS-7Q is manufactured through a strong acid and strong base reaction, giving it superior hydrolysis resistance compared to conventional anionic emulsifiers. By adding at least 1.7 units of propylene oxide to both sides of sulfonated 1,4-butanediol, GS-7Q provides suitable flowability at the polyurethane synthesis temperature. GS-7Q is a highly hydrophilic material. It is an emulsifier designed to impart hydrophilicity to polyurethane, enabling stable dispersion even in water.
It can be applied across many industries that use water-dispersed polyurethane. For example, it can be used in the development and manufacture of footwear adhesive resins in the footwear industry, furniture adhesive resins in the furniture industry, and resins for the surface layer, adhesive layer, and impregnation applications in the synthetic leather industry.
Property Data
IUPAC Name | CAS No. | Conc % |
| sodium 2,17-hydroxy-5,14-dimethy1-4,7,12,15-tetraoxaoctadecane-9-sulphonate | 68874-05-5 | ≫ 99.6 |
| Water | 7732-18-5 | ≫ 0.2 |
Item | Unit | Specifications | Remarks |
Appearance | Clear Light Yellow | ||
Color | 5.Max | ≤ 3.5 | APHA |
OH value | mg KOH / g | 255 - 275 | Phthalic Acid |
Water | wt % | ≤ 0.25 | |
Specific Gravity (176°F) | ≥ 1.19 | ||
pH | 6.5 - 7.9 | 10% (with water) | |
Sulfonated Ratio | % | ≥ 18.6 | Calculated |
◎ The sulfonated ratio value is calculated based on factors such as raw material input amounts.
IUPAC Name | Substance Ion | Content(ppm) |
Potassium | K+ | ≦ 700 |
Calcium | Ca2+ | ≦ 13 |
Sodium(Free) | Na+ | ≦ 1,000 |
◎ Other Residual Substances (Na2SO4, SO32- )
GS-7Q (Sulfonic Type) | DMPA (Carboxylic type) | NON-IONIC (PEG type) | CATIONIC (Amine Type) | |
Hydrolysis Resistance | ◯ | ✕ | ◎ | ◯ |
PUD Stability | ◯ | ✕ | ◯ | ✕ |
Chemical Resistance | △ | ✕ | ◎ | △ |
Adhesion | ◎ | ◎ | ✕ | ◎ |
High-Solid Resin Manufacturing | ◎ | △ | △ | △ |
Compatibility | △ | ◯ | ◎ | ◎ |
Production Stability | ◎ | ◯ | ◎ | △ |
◎ : very good, suitability ◯ : good △ : normal ✕ : bad, incompatibility
Key Features and Applications
TDI & MDI Reaction
A direct reaction between GS-7Q and TDI/MDI is difficult to keep stable. As such, a stepwise approach is recommended over a direct one.
Other Isocyanate Reactions
GS-7Q has lower compatibility than other emulsifiers. In particular, it has especially poor compatibility with ester polyols with a molecular weight (M.W.) of 1,500 g/mol or higher and ether polyols with a molecular weight (M.W.) of 500 g/mol or higher. To address compatibility issues, the following approaches are recommended:
Example Recipe
| Designed prepolymer molecule weight | 6,500 ~ 7,500 g/mole |
| Polyol | ester type polyol (M.W : 2,000) |
| Isocyanate | IPDI / HDI |
| GS-7Q | 3.8 ~ 4.2 wt % (particle size : ≦ 280㎚) |
| PUD particle size (㎚) | ≦ 250㎚ |
Storage and Before use
Because GS-7Q has very strong hydrophilicity, make sure it is tightly sealed after use to prevent moisture and humidity from entering.
(Before Use)

Email g.polytec@gmail.com
Phone 82) +52. 267. 0168
CEO: Richard J. Park
Address: 39-5, Goyeongongdan 1-gil, Ungchon-myeon, Ulju-gun, Ulsan, Korea
Fax: 82) 52-268-0168
Email: jcchoicn@gmail.com
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