¿Qué es el lactato de etilo?

I. Basic Properties of lactato de etilo

 

Ethyl Lactate (CAS No.: 97-64-3) is an eco-friendly ester compound synthesized through the esterification of renewable lactic acid and ethanol. With the molecular formula C₅H₁₀O₃, it exhibits the following characteristics:

• Low Toxicity: LD50 (oral, rat) > 2000 mg/kg, compliant with EU REACH regulations on health risks
• High Biodegradability: OECD 301B test shows >90% degradation within 28 days
• Unique Solvency: Dissolves various resins, polymers, and natural products
• Excellent Compatibility: Miscible with water and most organic solvents

 

II. Innovative Applications in Electronics & Semiconductors

 

lactato de etilo is replacing traditional toxic solvents in semiconductor industry, driving green innovation:

1. Photoresist Formulation Optimization

• Serves as a novel photoresist solvent, improving development contrast (γ factor increased to 2.8-3.2)
• Enables sub-0.15 μm feature sizes with KrF/ArF laser technology
• Typical uses: TFT-LCD panels, semiconductor packaging, MEMS device fabrication

2. Wafer-Level Packaging Cleaning

• Replaces NMP for flux residue cleaning in BGA/CSP packaging
• Achieves residue-free cleaning (<10 ppb ionic contamination) with supercritical CO₂ technology
• Case study: A foundry achieved 1.2% yield improvement using ethyl lactate

3. Advanced Packaging Materials

• Functions as a dispersant for TSV copper filling, enhancing deposition uniformity
• Reduces curing shrinkage to <0.8% in WLP underfill materials

III. Technological Breakthroughs in Petroleum Industry

 

In energy sector, lactato de etilo drives upgrades through its unique chemistry:

1. Smart Drilling Fluid Systems

• Acts as an eco-friendly fluid loss additive stable up to 180°C
• Reduces mud cake permeability to <0.01 mD with nanomaterial synergies
• Field trial: Shale gas well drilling cycle shortened by 15%

2. Tertiary Oil Recovery Technology

• Lowers oil-water interfacial tension to 0.01 mN/m at 25°C as a surfactant
• Demonstrates 8-12% EOR improvement in polymer flooding synergy
• Lab data: Core flooding recovery increased from 65% to 82%

3. Oil-Based Drilling Cuttings Treatment

• Achieves >95% oil removal efficiency as a solvent alternative
• Treated cuttings meet EU EN 12457-4 standard with <0.3% residual oil

IV. Technological Trends

1. Process Optimization: Biocatalytic synthesis boosts raw material conversion to >98%
2. High-Purity Production: Supercritical distillation yields 99.9+% purity
3. Formulation Innovation: Solvency increased by 30% via ionic liquid blends

Conclusión

lactato de etilo is driving technological transformation across high-value industries through its green properties and superior performance. With advancements in bio-based materials, its applications will continue expanding, making it a critical enabler for achieving “dual carbon” (carbon peak and neutrality) goals.