G Polytec

Notifications

Carboxylic acid
(Urethane Bonding)

Product Name	DMPA/DMBA
Substance Name	Dimethylolpropionic acid Dimethylolbutanoic acid
Appearance	White powder
Solids Content (wt%)	≧ 99.0%
Molecular Weight (g/mol)	134.13(DMPA) / 148.16(DMBA)
Dosage(wt%)	≧ 2.2 wt%
Neutralizing Agent Required	Added at 93% or more relative to the TEA molar amount.
Advantages	1. Easy to use (powder) 2. Effective even at a low dosage. 3. Lower manufacturing cost than other products.
Disadvantages	1. Highly affected by external environmental conditions (acid, base, transport). 2. Difficult to increase the solids content (≤ 48%). 3. Very low transport stability. 4. DMBA has a limited supply, making it difficult to purchase.

Sulfonic Diol
(Urethane Bonding)

Product Name	GS-7Q
Substance Name	Bis-1,4-((2-hydroxypropoxy)-2-propoxy) -butane Sulfonate Sodium Salt.
Appearance	Yellowish, high-viscosity liquid
Solids Content(wt%)	≧ 99.0%
Molecular Weight (g/mol)	420 ±15
Dosage(wt%)	≧ 3.8 wt%
Neutralizing Agent Required	Not required
Advantages	1. High storage stability 2. Excellent lot-to-lot consistency 3. Less affected by external environmental conditions (acid, base, transport) 4. Easier to increase the solids content (≦ 60)
Disadvantages	1. Poor workability due to higher viscosity 2. Slower reactivity than other products 3. Requires a higher dosage than other products 4. Higher manufacturing cost than other products 5. Requires strict storage conditions (moisture barrier required) 6. Reactivity varies depending on the polyol type (ether, ester, blends, etc.)

Sulfonic Amine
(Urea Bonding)

Product Name	A-95
Substance Name	Natrium Amino Alkyl Sulfonate
Appearance	Colorless liquid
Solids Content (wt%)	50.0% (H2O,50%)
Molecular Weight (g/mol)	190.2 (100%)
Dosage(wt%)	≧ 2.0 wt%
Neutralizing Agent Required	Not required
Advantages	1. Effective even at a low dosage 2. Fast reaction rate 3. High storage stability 4. Easy to handle and store (not affected by moisture) 5. Improves resin's heat resistance and physical properties 6. Less affected by external environmental conditions (acid, base, transport)
Disadvantages	1. Very low lot-to-lot consistency. 2. Difficult to increase solids content (≤ 50%)

Category		Sulfonic Amine (Urea Bonding)	Sulfonic Diol (Urethane Bonding)
Product Name		A-95	GS-7Q
IUPAC Name	(en)	Natrium Amino Alkyl Sulfonate.	Bis-1,4-((2-hydroxypropoxy)-2-propoxy)-butane Sulfonate Sodium Salt.
IUPAC Name	(cn)	乙二胺乙磺酸钠	磺化丁二醚四异丙二醇
Molecular Structure
Reaction Structure
Appearance		Pale yellow transparent liquid	High-viscosity pale yellow transparent liquid
Solids Content(wt%)		50.0% (H2O,50%)	≧ 99.8%
Molecular Weight(g/mol)		≒190.2 (Solids Content)	420 ±15
Recommended Ratio (wt%)		≧ 1.8 wt%	≧ 3.8 wt%
Advantages		1. High efficiency relative to the dosage (1.8 wt%) 2. Good hydrolysis resistance 3. Resin stability is not significantly affected by external environmental conditions 4. Fast reaction rate 5. No need to consider polyol compatibility	1. Excellent production stability 2. Can increase solids content (≥ 55%) 3. Allows flexible control of the addition order 4. Can be used alone 5. Easy to control particle size 6. Good hydrolysis resistance.
Disadvantages		1. Difficult to apply alone 2. Low lot-to-lot consistency in production 3. The addition order cannot be changed 4. Rough coating performance (adhesives) 5. Difficult to control particle size.	1. The resin properties are soft (residual surface tackiness, skin layer) 2. Slow reaction rate with aliphatic isocyanates (catalyst required) 3. Difficult to control the reaction with aromatic isocyanates 4. High reaction temperature (88°C, reaction rate with PPG 2,000) 5. Poor compatibility with ether polyols and high-molecular-weight ester polyols.