Tri(propylene glycol) diacrylate
[CAS# 42978-66-5]

Identification

• Classification: Organic raw materials >> Carboxylic compounds and derivatives >> Carboxylic esters and their derivatives
• Name: Tri(propylene glycol) diacrylate
• Synonyms: 2-[2-(2-prop-2-enoyloxypropoxy)propoxy]propyl prop-2-enoate
• Molecular Formula: C₁₅H₂₄O₆
• Molecular Weight: 300.35
• CAS Registry Number: 42978-66-5
• EC Number: 256-032-2
• SMILES: CC(COC(C)COC(=O)C=C)OCC(C)OC(=O)C=C

Properties

• Density: 1.03
• Refractive index: 1.45
• Flash point: >110 ºC

Safety Data

• Hazard Symbols: GHS07;GHS09 Warning
• Hazard Statements: H315-H317-H319-H335-H411
• Precautionary Statements: P261-P264-P264+P265-P271-P272-P273-P280-P302+P352-P304+P340-P305+P351+P338-P319-P321-P332+P317-P333+P317-P337+P317-P362+P364-P391-P403+P233-P405-P501

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Skin sensitization	Skin Sens.	1	H317
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Chronic hazardous to the aquatic environment	Aquatic Chronic	2	H411
Specific target organ toxicity - single exposure	STOT SE	3	H370
Skin corrosion	Skin Corr.	1C	H314
Flammable liquids	Flam. Liq.	3	H226

• Transport Information: UN 3082

Discovory and Applicatios

Tri(propylene glycol) diacrylate is a versatile chemical compound used primarily as a cross-linking agent and monomer in the production of various polymers and resins. This compound, an acrylate ester derived from propylene glycol, plays a crucial role in enhancing the performance and properties of materials in numerous industrial applications.

The discovery of tri(propylene glycol) diacrylate is rooted in the quest to develop improved cross-linking agents that could enhance the mechanical and chemical properties of polymers. Researchers sought to create acrylate esters with high reactivity and compatibility with various substrates. Tri(propylene glycol) diacrylate was developed to meet these needs, offering a stable and effective solution for polymerization processes.

In terms of applications, tri(propylene glycol) diacrylate is widely utilized in the production of coatings, adhesives, and composites. Its primary function is as a cross-linking agent that helps form a three-dimensional network structure within the polymer matrix. This cross-linking enhances the mechanical strength, chemical resistance, and thermal stability of the final product. As a result, materials incorporating tri(propylene glycol) diacrylate exhibit improved durability and performance.

One of the significant applications of tri(propylene glycol) diacrylate is in the formulation of UV-curable coatings. These coatings are used in various industries, including automotive, electronics, and printing. The compound's ability to polymerize under UV light allows for the rapid curing of coatings, leading to faster production times and improved surface properties. The resulting coatings are known for their excellent adhesion, scratch resistance, and chemical resistance, making them suitable for demanding applications.

In adhesives, tri(propylene glycol) diacrylate is used to enhance the bonding strength and flexibility of the adhesive formulations. The cross-linking action provided by the compound results in adhesives with improved mechanical properties and resistance to environmental factors. This makes it valuable in applications such as construction, automotive assembly, and packaging.

The compound is also employed in the production of composite materials, where it contributes to the formation of strong and durable matrices. Tri(propylene glycol) diacrylate's ability to create cross-linked structures enhances the performance of composites used in aerospace, automotive, and industrial applications. These composites benefit from increased resistance to heat, chemicals, and physical stress.

Furthermore, tri(propylene glycol) diacrylate is used in the development of specialty resins, including those for dental and medical applications. The compound's properties make it suitable for creating resins with specific mechanical and chemical characteristics required in these fields.

In summary, tri(propylene glycol) diacrylate is a valuable chemical compound used as a cross-linking agent and monomer in various industrial applications. Its ability to enhance the properties of polymers, coatings, adhesives, and composites makes it an essential component in modern material science and manufacturing.

References

1991 Michael addition polymers from 1,4 and 1,3 benzenedimethanol diacetoacetates and tripropylene glycol diacrylate. Polymer Bulletin, 26(2).
DOI: 10.1007/bf00587968

2021 Developments in reactive diluents: a review. Polymer Bulletin, 78(10).
DOI: 10.1007/s00289-021-03808-5

2024 Calcium alginate microspheres coated by bio-based UV-cured resin with high water retention performance. Polymer Bulletin, 81(14).
DOI: 10.1007/s00289-024-05421-8