Propylene Glycol Methyl Ether Acetate High-Performance Solvent

1. Basic information

Chemical name: Propylene glycol

chemical formula: C₃H₈O₂

CAS Number: 57-55-6

Molecular weight: 76.09 g/mol

 

2. Physical properties

Appearance: Colorless and transparent liquid

Odor: Almost odorless

Density: 1.036 g/cm³ (20°C)

Boiling point: 188.2°C

Melting point:- 59°C

Solubility: Easily soluble in organic solvents such as water, ethanol, acetone, etc

 

3. Chemical properties

Stability: Stable, but may decompose at high temperatures

Reactivity: Reacts with strong oxidants

PH value: neutral

 

4. Purpose

Food industry: used as a food additive for moisturizing agents, stabilizers, etc

Pharmaceutical industry: as a drug solvent and moisturizer

Cosmetics: used as moisturizers and solvents

Industrial applications: as antifreeze, lubricant, plasticizer, etc

 

Characteristics

Strong dissolving ability: It has good solubility for a variety of resins, such as acrylic resin, epoxy resin, polyester resin, etc., and can effectively reduce the viscosity of resin solutions, improve the fluidity and construction performance of products such as coatings and inks.

 

Moderate evaporation rate: Its evaporation rate is between that of fast-drying solvents and slow-drying solvents. During the film-forming process of the coating, the solvent can evaporate evenly, making the paint film flat and smooth, without defects such as sagging and orange peel. At the same time, it can also ensure a certain drying speed and improve production efficiency.

 

Low toxicity: PGMEA has low toxicity and low irritation to the human body. In industrial applications, it can better protect the health and safety of operators and meet environmental protection and occupational health requirements.

 

Good chemical stability: It is not easy to react chemically with other substances at room temperature, has good chemical stability, can maintain stable performance in different formulation systems, and helps to extend the shelf life of the product.

 

Application field

Coating industry: It is widely used in solvent-based coatings and water-based coatings. In solvent-based coatings, as the main solvent or co-solvent, it can improve the leveling, gloss and adhesion of the coating and improve the coating quality; in water-based coatings, it can be used as a film-forming aid to help water-based resins form films at low temperatures and improve the performance of the paint film.

 

Ink industry: It is one of the commonly used solvents in inks. It can dissolve the resins and pigments in the inks, making the inks have good fluidity and transferability. During the printing process, it helps the inks to dry quickly on the substrates and form clear and firm prints.

 

Electronics industry: It is used for cleaning electronic components and as a solvent for photoresists. Its good solubility and low toxicity can effectively remove oil stains, impurities, etc. on the surface of electronic components.

 

At the same time, in the photolithography process, as a solvent for photoresists, it can accurately control the film thickness and performance of photoresists and ensure the manufacturing accuracy of electronic components.

 

Other fields: It can also be used in cleaning agents, paint strippers, adhesives and other products. In cleaning agents, it can effectively dissolve oil and organic matter; in paint strippers, it can penetrate into the paint film, causing the paint film to swell and fall off; in adhesives, it can adjust the viscosity and drying speed of the adhesive and improve the performance of the adhesive.

 

Precautions

Flammability: PGMEA is a flammable liquid. It is in danger of burning and exploding when exposed to open flames, high heat or contact with oxidants. During storage and use, it should be kept away from fire and heat sources, and the storage place should be well ventilated and equipped with appropriate fire-fighting equipment.

 

Volatility: It has a certain volatility. During use, attention should be paid to ventilation to avoid its vapor accumulating in the air to reach the explosion limit. Operators should wear appropriate protective equipment, such as protective glasses, gloves and gas masks, to prevent inhalation of vapor and contact with the skin.

 

Compatibility with other substances: Pay attention to compatibility with other substances when using it. Some substances may react with it and affect the performance of the product. In new formula design or product application, it is recommended to conduct compatibility testing first.

 

Environmental protection requirements: Although PGMEA has low toxicity, it is still necessary to comply with environmental laws and regulations and properly dispose of its waste to avoid arbitrary discharge and pollution to the environment.

 

During production and use, environmentally friendly processes and equipment should be used as much as possible to reduce the impact on the environment.

 

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