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Aldehyde Resin A 81 (notably BASF's Laropal® A 81) is a, pale, lightfast urea-aldehyde resin specifically designed for high-performance pigment grinding, producing universal colorant pastes with high pigment loading, excellent wetting, low viscosity, and strong adhesion. It offers broad compatibility in solvent-based coatings and inks, improving gloss and hardening.
Key Features and Benefits of Aldehyde Resin A 81
- Optimal Dispersion: Excellent pigment-wetting properties allow for high-concentration, stable pastes.
- Low Solution Viscosity: Enables high pigment loading while maintaining ease of handling.
- Universal Compatibility: Compatible with most paint binders, including polyurethanes, epoxies, alkyds, and nitrocellulose.
- Appearance: Improves gloss, hardness, and fullness of the final coating.
- Stability: High yellowing resistance and excellent lightfastness, making it suitable for high-quality finishes.
Typical Applications
- Pigment Pastes/Preparations: Used to create universal colorants that work across various systems.
- Industrial Coatings: Suitable for clear varnishes, baking finishes, and nitrocellulose lacquers.
- Printing Inks: Used in solvent-based flexographic and gravure inks for improved adhesion and fast drying.
- Adhesives: Enhances performance in specialized adhesive formulations.
Processing Notes
- Solubility: Soluble in all common paint solvents (alcohols, esters, ketones, aromatics) but insoluble in water.
- Handling: Supplied as small, easy-to-handle, pale pellets.
- Formulation: It is used as a grinding resin (often as a 50–60% solution in solvent) and is compatible with modern Optimix® approaches.
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Web results
LAROPAL® A 81
BASF
https://dispersions-resins-products.basf.us › products › la...
BASF
https://dispersions-resins-products.basf.us › products › la...
LAROPAL A 81 is an aldehyde resin for pigment dispersions. Because of its excellent solubility and compatibility, LAROPAL A 81 can be used in many types of ...Read more
High performance Aldehyde Resin A 81
China AAB Industry Technology Group
https://www.aabindustrygroup.com › high-performance-...
China AAB Industry Technology Group
https://www.aabindustrygroup.com › high-performance-...
Pigment Dispersions Grinding Aldehyde Resin A 81 is a product specifically designed for pigment dispersion and grinding, It has excellent resistance to ...Read more
Aldehyde Resin For Coating,Wholesle ...
sinosunman
https://www.sinosunman.com › aldehyde-resin_c12
sinosunman
https://www.sinosunman.com › aldehyde-resin_c12
CAS No.25054-06-2. Aldehyde Resin is soluble in most organic solvents and has very good wetting and dispersion in the formulation of paints.Read more
Aldehyde Resin SH-A81
mpfs.io
https://mpfs.io › assets › everchem › 2019/02 › Al...
mpfs.io
https://mpfs.io › assets › everchem › 2019/02 › Al...
PDF
It is mainly used as a grinding resin in universal pigment and applied in the coating formulation. ... Aldehyde Resin SH-A81 must be stored in a dry, cool place.Read more
2 pages
Laropal® Pigment Dispersion Platform
BASF
https://www.basf.com › products › dispersions › laropal...
BASF
https://www.basf.com › products › dispersions › laropal...
From Solvent‑Based to Energy‑Curable Systems. Laropal A‑81 is BASF's core grinding resin platform, delivering proven pigment wetting and dispersion ...Read more
Aldehyde Resin A 81 Mediums, Binders & Glues
Kremer Pigmente Online Shop
https://www.kremer-pigmente.com › en-us › shop › 67...
Kremer Pigmente Online Shop
https://www.kremer-pigmente.com › en-us › shop › 67...
This resin is suitable as a varnish for paintings. In addition, it can be used to produce pigment pastes and can be used in thermosetting paints. Aldehyde ...Read more
€4.45 to €20.00In stock14-day returns
US6734231B2 - Easily distributable pigment compositions
Google Patents
https://patents.google.com › patent
Google Patents
https://patents.google.com › patent
Pigment Red 254 (IRGAZIN RED 2030 from Ciba Specialty Chemicals Inc.) and 350 g of an urea-aldehyde resin (LAROPAL®A81 from BASF AG) is tumbled for 15 minutes.Read more
Pigment Dispersions Grinding Aldehyde Resin A 81
China AAB Industry Technology Group
https://www.aabindustrygroup.com › pigment-dispersion...
China AAB Industry Technology Group
https://www.aabindustrygroup.com › pigment-dispersion...
Kabasph®Aldehyde Resin A 81 is a high-performance synthetic resin widely used in pigment dispersions for coatings, inks, and other industrial applications.Read more
Laropal® A 81
Talas
https://www.talasonline.com › PDF › Larapol_A81
Talas
https://www.talasonline.com › PDF › Larapol_A81
PDF
Laropal® A 81. Pale, yellowing-resistant aldehyde resin that is soluble in almost all paint solvents and compatible with practically all coatings raw.Read more
4 pages
Usage and dosage of Aldehyde Resin A81
Qingdao Sanhuan Colorchem CO.,LTD
https://www.cncolorchem.com › news
Qingdao Sanhuan Colorchem CO.,LTD
https://www.cncolorchem.com › news
Used in alkyd resin paint to improve gloss, adhesion and weatherability. It is recommended to use 3%-8% in the whole system.Read more
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