NEWS

Cẩm nang về các loại phụ gia cơ bản trong mực in
  • News
  • 08/07/2025
  • Vichem

Essential additives for inks – Functions and optimization

Additives are critical components in printing ink production, determining print quality and performance. They enhance adhesion, viscosity, and color durability. Additives ensure inks suit various surfaces and printing technologies. This article analyzes common additives, their roles, and effective usage. Businesses will find solutions to improve ink quality.

WHAT ARE ADDITIVES? 

Additives are chemical compounds added to printing inks to enhance properties and performance. They play a vital role in ensuring high-quality prints. Additives impact adhesion, viscosity, color durability, and oxidation resistance.

Additives influence key ink characteristics. They ensure uniform color, preventing smudging or fading. Additives also enable strong ink adhesion to surfaces like paper, plastic, or metal. Additionally, they control drying speed and viscosity. This makes inks compatible with technologies like offset, flexo, or inkjet. Additives protect inks from environmental factors, extending product shelf life.

Figure 1: What Are Printing Ink Additives?
Figure 1: What Are Printing Ink Additives?

ROLES, BENEFITS, DRAWBACKS AND USAGE OF ADDITIVES

Dispersants

Dispersants ensure uniform pigment distribution in ink. They prevent clumping, guaranteeing consistent color. These additives enhance print quality, reducing defects from uneven ink. However, overuse may alter viscosity. Dispersants are added during ink mixing. Dosage must be adjusted per formulation to avoid adverse effects. They ensure smooth, blotch-free prints.

Figure 2: Dispersants
Figure 2: Dispersants

Adhesion Promoters

Adhesion promoters improve ink bonding on challenging surfaces like plastic or metal. They ensure prints resist washing off or peeling. These additives enhance durability, especially in harsh conditions. However, they may increase moisture sensitivity. Add to ink formulations, testing compatibility. They ensure prints remain durable, ideal for advertising applications.

Figure 3: Adhesion Promoters
Figure 3: Adhesion Promoters

Defoamers

Defoamers prevent bubble formation in ink. They ensure smooth, defect-free print surfaces, avoiding pinholes. These additives improve quality, particularly in high-speed printing. Selecting the right type for the ink formula is crucial. Add during production, adjusting dosage carefully. They reduce print errors, ensuring sharp, uniform results.

Figure 4: Defoamers
Figure 4: Defoamers

Anti-Settling Agents

Anti-settling agents prevent solid particles from settling in ink. They maintain ink uniformity over time. These additives ensure consistent ink during storage. Overuse may increase viscosity. Add to formulations, testing stability. They prevent sedimentation, reducing printing errors.

Figure 5: Anti-Settling Agents
Figure 5: Anti-Settling Agents

Viscosity Modifiers

Viscosity modifiers adjust ink thickness for smooth flow. They ensure even application, reducing smudging or blurring. These additives optimize performance in offset or flexo printing. Balancing viscosity with other properties is essential. Add during mixing, tailored to printing equipment. They ensure crisp, consistent prints.

Figure 6: Viscosity Modifiers
Figure 6: Viscosity Modifiers

Gloss and Color Enhancers

Gloss and color enhancers improve print brightness and color durability. They create vibrant, long-lasting prints. These additives suit advertising and packaging applications. However, they may increase production costs. Add to formulations, ensuring compatibility. They enhance print appeal, attracting viewers.

Figure 7: Gloss and Color Enhancers
Figure 7: Gloss and Color Enhancers

Antioxidants and Preservatives

Antioxidants and preservatives protect ink from oxidation. They extend ink shelf life, ensuring stable quality. These additives prevent ink property changes over time. Choose types compatible with ink formulas to avoid side effects. Add during production, testing preservation efficacy. They ensure long-term ink stability.

Figure 8: Antioxidants and Preservatives
Figure 8: Antioxidants and Preservatives

Other Specialized Additives

Specialized additives like UV inhibitors or biocides serve specific purposes. They protect ink from UV rays, mold, or bacteria. These additives enhance ink resilience in harsh environments. They are added based on specific application needs.

CONSIDERATIONS FOR SELECTING AND USING INK ADDITIVES

When selecting additives, businesses must verify compatibility with other ink components. Additives should not cause adverse reactions or alter ink properties. Precise dosage adjustment prevents negative performance impacts. Choose additives from reputable suppliers to ensure quality and safety. Additives must comply with safety and environmental standards. New businesses benefit from supplier consultation to select suitable additives. This optimizes ink formulations and production efficiency.

Additives directly affect ink formulations and production processes. Incorrect dosage may alter viscosity or adhesion. Incompatible additives can cause defects like smudging or fading. Businesses must test additives before large-scale production. This ensures print quality and minimizes risks.

VICHEM – TRUSTED DISTRIBUTOR OF STANDARDIZED INK ADDITIVES IN VIETNAM 

Vichem is a leading distributor of standardized ink additives in Vietnam. We provide high-quality products and international-standard after-sales services. Our offerings include:

  • Technical Consulting: Assisting clients in selecting resins suited to their needs.
  • Quality Testing: Our experts conduct tests to ensure product standards.
  • Application Support: Guiding clients to integrate resins into production for optimal performance.

For more information, contact us via:

📞 Hotline: 0817 901 790

📧 Email: contact@vichem.vn

🔎 LinkedIn: Vichem JSC

🌐 Website: www.vichem.vn

📌 Facebook: Vichem JSC

Leave a Reply

Your email address will not be published. Required fields are marked *