CYMEL® 385 Resin
- CASE Ingredients Functions
- Crosslinking Agent
CYMEL® 385 Resin serves as a crosslinking agent within CASE Ingredients' monomers and intermediates and chain extenders and crosslinkers product families. Specifically designed for the automotive, transportation, paints, and coatings markets, this clear liquid is particularly suitable for automotive OEM coatings. It exhibits compatibility with textiles, making it ideal for top coat applications.
Properties
- Physical Form
- Liquid
Product families
Applications
- Automotive OEM Coatings
- Automotive OEM Coatings
Product Families
- Chain Extenders & Crosslinkers
Other characteristics
- Brand
- CYMEL
- End Uses
- Top Coat
- Functions
- Crosslinking Agent
- Markets
- Automotive & Transportation
- Paints & Coatings
- Catalysis
CYMEL 385 resin may not require the addition of an acid catalyst to the formulation to obtain effective cure. In many instances, the acidity of the backbone polymer in the formulation is sufficient to catalyze the reaction under normal baking conditions (15 minutes at 120-150°C). If catalyst addition is required, then 0.5-1.0% of CYCAT® 296-9 catalyst based on total resin solids is recommended.
- Stability
FORMULATION STABILITY; It is essential that a tertiary amine, such as dimethylethanolamine or triethylamine, be used for neutralization and pH adjustment. For optimum stability, a pH of 7.5-8.5 should be maintained.; STORAGE STABILITY; CYMEL 385 resin has a shelf life of 180 days from the date of manufacture when stored at temperatures between 5°C and 32°C. Although low temperatures are not detrimental to stability, its viscosity will increase, possibly making the resin difficult to pump or pour. The viscosity will reduce again on warming, but care should be taken to avoid excessive local heat as this can cause an irreversible increase in viscosity. Beware of freezing.
- Appearance
- Clear Liquid
- Shelf LIfe
- 180 Days
- Soluble In
- Water
- Coating Type
- Top Coat
- Technology
- CASE Ingredients
- HIGHLIGHTS
- BENEFITS
- Very fast cure response
- Water soluble
- Low formaldehyde release
- APPLICATION AREAS
- Emulsion topcoat systems
- Textile coatings
- Non-woven binders
- Backbone Polymer Selection
CYMEL 385 resin contains a combination of methoxymethyl, methylol and imino functionalities, making it a very effective crosslinker for backbone polymer resins containing hydroxyl, amide and, to some extent, carboxyl functional groups, such as those found on alkyd, polyester or acrylic resins. Although the optimum level of CYMEL 385 resin should be determined experimentally, ratios of 20 to 30% based on resin solids are typically most effective.
- Compatibility and Solubility
- SOLUBILITY
- COMPATIBILITY
- Compatible Substrates and Surfaces
- Textiles
Technical data
Table 1 of 1
4 rows| Characteristic | Value | Unit |
|---|---|---|
| Color | max. 70 | APHA |
| Non-Volatile Content | 77-81 | %wt |
| Free Formaldehyde Content | max. 0.4 | % |
| Viscosity (25°C) | 600-1000 | mPa.s |
