Substrate wetting Additive——AEOR 104BC reduced water sensitivity

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Substrate wetting additives

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Substrate wetting Additive——AEOR 104BC reduced water sensitivity

2,4,7,9-Tetramethyl-5-decyne-4,7-diol; SURFYNOL® 104 BC; CAS 126-86-3, Substrate wetting Additive; Nonionic Low-foam Super Dynamic Wetting Agent

AEOR 104BC is a multi-functional surfactant that combines dynamic wetting and molecular defoaming in waterborne coatings, inks, paints, adhesives, pigment manufacture and dispersion, cements, metalworking lubricants, agricultural chemicals, and dye processing.AEOR 104BC is available in liquid form in different solvent cuts. AEOR 104BC Substrate wetting Additive has a unique Gemini structure, which brings a unique combination of performance benefits, such as surface tension reduction, foam control, and viscosity stabilization. The hydrophobic nature of AEOR 104BC Substrate wetting Additive typically results in significantly reduced water sensitivity compared to either conventional ethoxylated or anionic surfactants.

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Product Name 2,4,7,9-Tetramethyl-5-decyne-4,7-diol
CAS 126-86-3
Synonyms Surfynol 104
Description An acetylene glycol derivative used in water-based coatings and has both antifoaming and surfactant properties. It is highly toxic and have been found in acrylic adhesives used for food packaging multilayers manufacturing.
EC Number 204-809-1
MDL Number MFCD00008942
IUPAC Name 2,4,7,9-tetramethyldec-5-yne-4,7-diol
Category Polymer/Macromolecule
Molecular Formula (CH3)2CHCH2C(CH3)(OH)C≡CC(CH3)(OH)CH2CH(CH3)2; C14H26O2
Molecular Weight 226.35
Special properties
  • Quick migration, leading to low dynamic surface tension
  • Ability to wet contaminated substrates
  • Non-micelle forming
  • Stability between pH 3-10
  • Prevents surface defect problems such as fisheyes, crawling, and cratering on low-energy substrates
  • Reduces microfoam in spray-applied systems
  • Improves pigment grind efficiency
  • Reduces water sensitivity
  • Defoams, deairentrains, and improves flow
  • Silicone-free, APEO free, non-toxic
  • pigment and substrate wetting
  • very good foam control
  • reduced water sensitivity
Examples of application
Typical properties
Active matter 2,4,7,9-Tetramethyl-5-decyne-4,7-diol, CAS#126-86-3
Active matter content 50%
Solvent 2-Butoxyethanol
Solubility in water slightly soluble
Suggested use level 0.2% – 2.0% of total formulation weight


Test Item Standard
Appearance Light yellow liquid
APHA Color (Pt-Co) ≤350
Density at 25°C, g/cm3 0.850-0.950

Processing instructions

  • Mix well when use.
  • Added and mixed after other surfactants.
  • Pigments, fillers or other solid should be added after AEOR 104BC Substrate wetting Additive has been evenly mixed.

Package and storage

The standard package for this material is 180kg galvanized iron drums, 4 drums/pallet.

The product is also available in IBCs and 20kg pails.

Keep containers tightly closed in a dry, cool, and well-ventilated place. Product is freeze-thaw stable. Mix thoroughly before use. The shelf life for this product is 48 months from the date of manufacture.



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