UV Absorbers UV-1130

UV Absorbers UV-1130

Product name: UV Absorber UV-1130
Chemical Name:
α-[3-[3-(2H-Benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxyphenyl]-1-oxopropyl]-hydroxypoly(oxo-1,2-ethanediyl)
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Description

Specification

 

 

Molecular Formula: C19H21N3O3.(C2H4O)n=6-7

Molecular Weight: 637/975

CAS No: 104810-48-2; 104810-47-1; 25322-68-3

Appearance: Yellow to light amber liqulid

Assay:84%

Melting point(℃): Liquid

 

 

Applications

 

 

UV-1130 is primarily used in the coatings field and is particularly suitable for applications with high weather resistance requirements:

Automotive Coatings: Automotive topcoats, clearcoats, primers, etc.

Industrial Coatings: Coil coatings, engineering machinery coatings, heavy-duty anti-corrosion coatings, etc.

Wood Coatings: Exterior wood coatings

Waterborne Coatings: Can be applied in waterborne systems after emulsification

Other Materials: Polyolefins, engineering plastics, elastomers, adhesives, PVC, ABS, PS, PMMA, etc.

 

 

 

Product Advantages

 

UV-1130 performs excellently in the industrial coatings and automotive coatings fields. Its main advantages include:

Excellent Weather Resistance: Effectively inhibits coating gloss loss, cracking, blistering, peeling, and discoloration

High Temperature Resistance: Withstands high-temperature processing conditions, making it suitable for high-temperature curing coating systems

Extraction Resistance: Remains stable in harsh environments and is not easily extracted

Waterborne System Suitability: Easy to emulsify and can be added directly to waterborne coating systems

Synergistic Effect: When used in combination with hindered amine light stabilizers (HALS) such as UV-292 and UV-123, it produces significant synergistic effects



Usage Recommendations

 

Typical Addition Levels:

UV-1130 used alone: 1.0–3.0% (based on solid resin)

Combination with UV-292 or UV-123: UV-1130 1–3% + HALS 0.5–2%

Usage Precautions:

Can be used after mixing and stirring thoroughly

Not recommended for use in certain two-component polyurethane (PU) coatings (pre-testing required)

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