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Powder Coating Additives

Coating Additives

Additives & Hardeners for Powder Coatings

allnex, as the market leader in the powder coatings world, offers a range of additives and special products together with the broad portfolio of resins for powder coating. Those products help our customers to solve coating problems and to reach unique finishing effects.

Please click the info box to read a general article (Published in PCI Mag, Sept 2020) explaining the background and benefits of major important additives for powder coatings.

Additives for Powder Coatings

Isocyanate PU (Polyurethane) Hardener

  • SUPERIOR WEATHERING RESISTANCE
  • ALIPHATIC URETHANE PRE-POLYMER CROSSLINKING AGENT

Amongst the family of hardeners that allnex provides, the isocyanate hardeners have proven and demonstrated weathering resistance, such as the ADDITOL® P 932.

REQUEST A SAMPLE ADDITOL®P 932

Silica-Dispersed Flow Promoters

  • Excellent flow out and leveling
  • Crater and fish-eye prevention
  • Reduced orange peel texture

Allnex MODAFLOW  flow aids have been created to assist the coating manufacturer in offering the best- looking coatings, including preventing craters, fish-eyes and orange peel texture. Both silica dispersed, silicone-free flow promoter- MODAFLOW® Powder III and MODAFLOW® Powder 6000 are supplied with 65% active compound content. MODAFLOW® Powder III improves substrate wetting and initial adhesion, whereas MODAFLOW® Powder 6000 greatly improves cross-compatibility of powders and their DOI.

REQUEST A SAMPLE MODAFLOW®  POWDER   III

REQUEST A SAMPLE MODAFLOW®POWDER 6000

Masterbatch Flow Promoters

  • Excellent flow out and leveling
  • Universal application in all pigmented powder coatings
  • Easy handling and excellent dispersion of the additive

Allnex offers polyester carrier flow promoter Masterbatches such as ADDITOL® P 896 and ADDITOL® P 824 based on low viscous hydroxyl functional carrier resins that improve flow out and provide excellent compatibility towards many binder systems.  ADDITOL® P 896 finds universal application in all kind of powder coatings whereas ADDITOL® P 824 was preferably designed for HAA coatings. This group of flow promoters are the best choice for all pigmented powder coatings for in- and outdoor applications, are easy to handle and improve the dispersion of the additive into the bulk of the powder.

REQUEST A SAMPLE ADDITOL®P 896

REQUEST A SAMPLE ADDITOL®P 824

Masterbatch Flow Promoters for Clear coats

  • Excellent flow out and leveling
  • Outstanding transparency in clears
  • No Haze

Flow promoter Masterbatches for clear coats require best in class compatibility to all ingredients involved to obtain superior clarity and transparency of final clear coats. ADDITOL®P 890 -based on a hydroxyl functional polyester carrier resin- and ADDITOL®P 891- based on a carboxyl functional polyester resin carrier-  represent two options for formulators to reach optimum results.

REQUEST A SAMPLE ADDITOL®P 890

REQUEST A SAMPLE ADDITOL®P 891

Catalyst Masterbatches

  • Applicable for all powders based on carboxy-epoxy chemistry
  • Expanding the cure window of powders
  • Gloss adjustment in Matte Dry Blend Systems

Our Masterbatch Catalyst products have been created by allnex specialists to help properly formulate powder coatings to achieve required reactivity, to enlarge the curing window and to adjust the gloss level in matte dry blend systems.  The range includes ADDITOL®P 964 and ADDITOL®P 963, two catalyst Masterbatches for hybrid, TGIC and glycidyl esters, based on two different active ingredients. ADDITOL®P 966 based on a superdurable carrier resin provides excellent results in superdurable powder coatings using TGIC or glycidyl esters as curing agent. 

REQUEST A SAMPLE ADDITOL®P 964

REQUEST A SAMPLE ADDITOL®P 963

REQUEST A SAMPLE ADDITOL®P 966

Tribo Masterbatches

  • Enhances Tribo chargeability
  • Improves transfer efficiency
  • Suitable for almost all powders for in- and outdoor applications

The Tribo  Masterbatch ADDITOL®P 950 completes the range of powder coatings additives. This additive is suitable for hybrid, TGIC, polyurethane and glycidyl ester powder coatings, enhances Tribo chargeability allowing for superior coating penetration on complex shapes for indoor or outdoor items.  ADDITOL®P 950 is easy to handle and greatly improves the dispersion of the active ingredient.

REQUEST A SAMPLE ADDITOL®P 950

Poly-anhydride Hardener

  • OUTSTANDING THERMAL STABILITY
  • EXCELLENT FLOW IN CLEAR FORMULATION
  • SUITABLE FOR AUTOMOTIVE & METAL PACKAGING

The allnex line of poly-anhydride hardeners has been created with the consumer in mind for a diverse range of applications, including offering a superior alternative system for clear automotive and for metal packaging, for example. The line includes the ADDITOL® P 791 which has outstanding flow and the BECKOPOX™ EH 694 which has extremely good thermal stability.

REQUEST  A  SAMPLE  ADDITOL®    P  791

REQUEST A SAMPLE BECKOPOX™ EH 694

Masterbatch Catalyst and special CRYLCOAT® polyester for Wrinkle Effect Coating

  • Various Wrinkle Effect Coatings
  • Good mechanical properties
  • Excellent outdoor resistance

The Catalyst Masterbatch ADDITOL®P 920 - supplied with 5% of active compound and based on a hydroxyl functional polyester matrix - is widely used in combination with the special hydroxyl functional polyester resin CRYLCOAT® 2920-0 for the formulation of effect coatings. Both products allow in  conjunction with a Glycoluril crosslinker to produce consistent wrinkle effect coatings with excellent mechanical properties and outdoor resistance in all kind of colors.

REQUEST A SAMPLE ADDITOL® P 920

REQUEST A SAMPLE CRYLCOAT® 2920-0

Glycidyl-functional Acrylic Matting Agents

  • Dead Matte Coatings
  • Outstanding Film Smoothness
  • Excellent Outdoor Durability

The unique resin design of SYNTHACRYL® 700 provides in combination with CRYLCOAT® 2441-2 dead matte coatings with outstanding smoothness and outdoor resistance in clears and pigmented powders. Combinations of SYNTHACRYL®710 with CRYLCOAT® 2630-2 or CRYLCOAT® 2441-2 plus small amounts (<2%) of correspondent crosslinker HAA and TGIC respectively; produce matte coatings in gloss range <10 GU at 60° with much improved flexibility and standard durability at outdoor exposure.

REQUEST A SAMPLE SYNTHACRYL® 700

REQUEST A SAMPLE CRYLCOAT®2441-2

REQUEST A SAMPLE SYNTHACRYL® 710

REQUEST A SAMPLE CRYLCOAT®2630-2
 

Supunnee, allnex thailand

Technical Service Manager

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allnex product highlights

Powder Coating Additives

 

Technology Product Benefits Free sample request
Flow ADDITOL® P 824 Flow-aid masterbatch for pigmented durable coatings. 15 % active substance in an outdoor resistant hydroxylated polyester matrix. Request sample
Flow ADDITOL® P 890 Flow-aid masterbatch for clear powder coatings. 10 % active substance in an outdoor resistant hydroxylated polyester matrix. Request sample
Flow ADDITOL® P 891 Flow-aid masterbatch for clear powder coatings. 5 % active substance in an outdoor resistant carboxylated polyester matrix. Request sample
Flow ADDITOL® P 896 Flow-aid masterbatch for pigmented powder coatings. 15 % active substance in an outdoor resistant hydroxylated polyester matrix. Request sample
Tribo ADDITOL® P 950 Tribo masterbatch for indoor and outdoor coatings. 5 % active substance. Request sample
Catalyst ADDITOL® P 920 Catalyst master batch for wrinkle finish Request sample
Catalyst ADDITOL® P 963 Catalyst masterbatch for hybrids and TGIC  systems. 5 % active substance. Request sample
Catalyst ADDITOL® P 964 Catalyst masterbatch for hybrids, TGIC or PT 910 systems. 5 % active substance. Request sample
Catalyst ADDITOL® P 966 Catalyst masterbatch in a superdurable matrix for TGIC or PT 910 systems. 5 % active substance. Request sample
Hardeners ADDITOL® P 932 Polyurethane hardener for outdoor Request sample
Hardeners ADDITOL® P 965 Polyurethane hardener for indoor Request sample
Flow & leveling MODAFLOW® POWDER III Improves leveling and flow out, reduces surface defects, improves substrate wetting and initial adhesion. Request sample
Flow & leveling MODAFLOW® POWDER 6000 Improves leveling and flow out, reduces surface defects and broadens cross compatibility between different powder coatings. Request sample
Matting hardener SYNTHACRYL® 700 For real dull matte solutions Request sample
Aromatic anhydride BECKOPOX™ EH 694 High heat resistance Request sample
Aliphatic anhydride ADDITOL® P 791 Excellent flow with GMA acrylics Request sample
Matting hardener SYNTHACRYL® 710 Dull matte coatings with improved flexibility Request sample