Photoinitiator TPO-L Supplier In China
CAS 84434-11-7 | Liquid Acylphosphine Oxide | Low Yellowing UV Radical Initiator
Reliable Photoinitiator TPO-L for UV coatings, UV inks, UV adhesives, and SLA/DLP resin systems requiring fast radical UV curing and stable industrial performance.
- CAS No.: 84434-11-7
- Purity: ≥95% industrial grade
- Appearance: Yellow to light yellow liquid
- MOQ: 1 kg sample / 25 kg bulk order
- Package: 25 kg drum / 200 kg drum
- Documents: COA / TDS / SDS available
Stable industrial supply from China for global UV formulation manufacturers.
What is Photoinitiator TPO-L
Photoinitiator TPO-L (CAS 84434-11-7) is a liquid Type I acylphosphine oxide UV photoinitiator used in UV curing systems for coatings, inks, adhesives, and photopolymer resins. It generates free radicals under UV or LED irradiation, initiating rapid polymerization of acrylate monomers and oligomers. Compared with solid TPO, Photoinitiator TPO-L improves handling, dispersion, and dosing accuracy in industrial formulations. It is widely selected in UV coating systems requiring low yellowing, deep curing, and stable performance in pigmented systems. Photoinitiator TPO-L is commonly used by UV coating manufacturers, UV ink formulators, adhesive producers, and industrial resin suppliers. It supports both mercury lamp and 365–405 nm LED UV curing systems when properly formulated.
| Technical Data – Photoinitiator TPO-L | |
|---|---|
| Product Name | Photoinitiator TPO-L |
| CAS No. | 84434-11-7 |
| Chemical Name | Ethyl (2,4,6-trimethylbenzoyl) phenylphosphinate |
| Appearance | Yellow to light yellow liquid |
| Purity | ≥95% |
| Molecular Weight | 316.33 |
| UV Absorption | 305 nm / 385 nm |
| Function Type | Type I free radical photoinitiator |
| Recommended Dosage | 0.3% – 5% depending on formulation |
| UV System Compatibility | Mercury lamp / 365–405 nm LED UV (formulation dependent) |
| Packaging | 25 kg drum / 200 kg drum |
Typical Applications of Photoinitiator TPO-L
Photoinitiator TPO-L from UVIXE is designed for industrial UV curing systems requiring stable radical generation, low yellowing performance, and reliable LED UV compatibility. It is widely used by UV coating formulators, UV ink manufacturers, UV adhesive producers, and resin system developers who need consistent curing behavior and scalable bulk supply. Photoinitiator TPO-L supports formulation engineers working across coatings, printing inks, adhesives, and photopolymer resins. It improves processing stability in high-solid systems and pigmented formulations where curing depth and surface quality must remain consistent under industrial production conditions.
UV Coating Systems Photoinitiator TPO-L
Photoinitiator TPO-L for industrial UV coating systems requiring deep curing and low yellowing performance in high-speed production lines.
UV Wood Coating Photoinitiator TPO-L
Photoinitiator TPO-L for UV wood finishing systems requiring hardness and clarity
- Furniture surface coating systems
- Flooring UV protection layers
- Decorative wood finishing
UV Plastic Coating Photoinitiator TPO-L
Photoinitiator TPO-L for UV coating on engineering plastics and consumer plastics
- ABS plastic surface protection
- PMMA transparent coating systems
- Scratch-resistant plastic finishing
UV Metal Coating Photoinitiator TPO-L
Photoinitiator TPO-L for UV-curable metal protection coatings
- Anti-corrosion industrial coatings
- Hardware surface finishing
- Metal decorative coating layers
Synthetic Leather Coating Photoinitiator TPO-L
Photoinitiator TPO-L for artificial leather surface finishing
- Furniture leather coating
- Automotive interior leather
- Decorative leather finishing
UV Packaging Coating Photoinitiator TPO-L
Photoinitiator TPO-L for carton and packaging surface protection
- Food packaging cartons
- Cosmetic packaging coating
- High-speed packaging lines
UV Paper Varnish Photoinitiator TPO-L
Photoinitiator TPO-L for high gloss UV varnish systems
- Printed paper gloss finish
- Magazine coating systems
- Decorative printing varnish
UV Ink Systems Photoinitiator TPO-L
Photoinitiator TPO-L for UV printing ink systems used in packaging and industrial printing applications.
UV Flexographic Ink Photoinitiator TPO-L
Photoinitiator TPO-L for high-speed flexo printing ink systems
- Packaging film printing
- Label printing systems
- Fast curing production lines
UV Offset Ink Photoinitiator TPO-L
Photoinitiator TPO-L for offset printing UV ink formulations
- Commercial printing systems
- Paper and carton printing
- High color stability inks
UV Screen Printing Ink Photoinitiator TPO-L
Photoinitiator TPO-L for thick film UV screen printing systems
- Industrial graphic printing
- Electronic panel printing
- Decorative surface printing
UV Adhesive Systems Photoinitiator TPO-L
Photoinitiator TPO-L for UV-curable adhesive systems requiring fast bonding and structural strength.
UV Electronics Adhesive Photoinitiator TPO-L
Photoinitiator TPO-L for electronic component bonding systems
- PCB component bonding
- Microelectronic assembly
- Sensor encapsulation
UV Optical Adhesive Photoinitiator TPO-L
Photoinitiator TPO-L for high transparency optical bonding systems
- Lens assembly adhesives
- Display panel bonding
- Optical fiber sealing
UV Industrial Assembly Adhesive Photoinitiator TPO-L
Photoinitiator TPO-L for fast production line adhesive curing
- Automated assembly bonding
- Structural industrial bonding
- High-speed curing systems
UV Resin Systems (3D Printing) Photoinitiator TPO-L
Photoinitiator TPO-L for selected SLA and DLP photopolymer resin systems requiring fast radical initiation.
SLA Resin Photoinitiator TPO-L
Photoinitiator TPO-L for SLA photopolymer resin systems
- Precision prototyping resins
- Dental modeling materials
- Industrial SLA parts
DLP Resin Photoinitiator TPO-L
Photoinitiator TPO-L for DLP digital light processing resins
- High-resolution printing systems
- Fast layer curing resins
- Industrial prototyping materials
UV Pigmented Systems Photoinitiator TPO-L
Photoinitiator TPO-L for high pigment-load UV systems requiring deep curing penetration.
Titanium Dioxide White System Photoinitiator TPO-L
Photoinitiator TPO-L for high opacity white UV coatings
- White pigmented coatings
- High hiding power systems
- Decorative white finishes
High Pigment Load System Photoinitiator TPO-L
Photoinitiator TPO-L for deep curing pigmented UV systems
- High solid coating systems
- Industrial pigment coatings
- Thick film UV curing
Pigmented Ink and Coating Systems Photoinitiator TPO-L
Photoinitiator TPO-L for pigmented ink and coating systems requiring deep curing and stable radical generation
- Effective curing in high pigment load formulations
- Supports UV penetration in titanium dioxide systems
- Maintains curing efficiency in thick film coatings
Why Choose Photoinitiator TPO-L from UVIXE
- ≥95% purity with consistent batch control
- Stable supply for bulk UV production
- Suitable for mercury lamp and 365–405 nm LED UV systems
- Reliable performance in pigmented and high-solid formulations
- COA, TDS, SDS available for each shipment
- Export-ready packaging with global delivery support
Photoinitiator TPO-L Equivalent to Leading Brands
UVIXE Photoinitiator TPO-L can replace:
- IGM Resins Photoinitiator TPO-L grade systems
- BASF acylphosphine oxide UV initiator systems (TPO-L type)
- Lambson / Gevest UV phosphine oxide photoinitiator systems
- Other global Type I liquid phosphine oxide photoinitiator grades
✔ Similar UV absorption profile (305 nm / 385 nm range)
✔ Comparable radical generation efficiency in acrylate systems
✔ Suitable for replacement in UV coating, ink, and adhesive formulations
✔ Requires formulation validation for LED UV systems and pigment load conditions
Photoinitiator TPO-L from UVIXE is supplied for industrial substitution use in bulk manufacturing environments where stable sourcing and cost control are required.
FAQ of Photoinitiator TPO-L
What is Photoinitiator TPO-L used for in industrial UV curing systems?
Photoinitiator TPO-L is used in UV coatings, UV inks, UV adhesives, and photopolymer resins. It generates free radicals under UV or LED exposure, enabling rapid polymerization in acrylate-based systems for industrial production lines.
What is the CAS number of Photoinitiator TPO-L?
The CAS number of Photoinitiator TPO-L is 84434-11-7, used for regulatory documentation, customs clearance, and technical specification matching in industrial chemical procurement.
Is Photoinitiator TPO-L suitable for LED UV curing systems?
Photoinitiator TPO-L performs under 365–405 nm LED UV systems when properly formulated. Performance depends on resin absorption, pigment load, and photoinitiator concentration.
What is the recommended dosage of Photoinitiator TPO-L?
Typical dosage ranges from 0.3% to 5% depending on coating thickness, curing speed requirements, pigment concentration, and system reactivity.
What are the main advantages of Photoinitiator TPO-L compared to TPO?
Photoinitiator TPO-L is liquid, which improves mixing efficiency, dosing accuracy, and dispersion in high-solid or pigmented systems compared to solid TPO.
Does Photoinitiator TPO-L reduce yellowing in UV coatings?
Yes, Photoinitiator TPO-L is widely used in low-yellowing UV systems, especially in white and titanium dioxide pigmented coatings, depending on formulation balance.
Can Photoinitiator TPO-L be used in UV ink manufacturing?
Yes, it is widely used in UV flexographic, offset, and screen printing ink systems for fast curing and stable color performance in industrial printing applications.
Is Photoinitiator TPO-L suitable for SLA/DLP 3D printing resins?
Yes, Photoinitiator TPO-L is used in selected SLA and DLP resin systems requiring fast radical initiation and controlled photopolymerization behavior.
What documents are available for Photoinitiator TPO-L procurement?
UVIXE provides COA, TDS, and SDS for each batch to support quality control, regulatory compliance, and international shipping requirements.
Related Products Of Photoinitiator TPO-L
UV curing systems require balanced photoinitiator combinations to control surface curing, depth curing, yellowing resistance, and pigment tolerance. Photoinitiator TPO-L is often used as part of a multi-initiator system in coatings, inks, adhesives, and resin formulations.
Below are related UV photoinitiators commonly used alongside Photoinitiator TPO-L in industrial formulations.
Photoinitiator 1173
Fast surface curing UV photoinitiator for clear coating systems
- High reactivity in thin films
- Low odor formulation systems
- Widely used in UV coatings and inks
Photoinitiator 184
Deep curing UV initiator for medium thickness systems
- Stable curing in coatings and plastics
- Low yellowing performance
- Suitable for industrial UV coating lines
Photoinitiator 907
Balanced curing photoinitiator for UV ink and UV coating systems
- Good surface and depth curing balance
- Suitable for pigmented ink formulations
- Stable performance in industrial UV coating systems
BAPO Photoinitiator (819)
High reactivity photoinitiator for low-yellowing systems
- Strong performance in thick UV coatings
- Suitable for pigmented and white systems
- High curing efficiency under UV LED systems
Technical Support For Photoinitiator TPO-L
Photoinitiator TPO-L technical support from UVIXE includes formulation guidance, curing optimization, and compatibility evaluation for UV coatings, inks, adhesives, and photopolymer resin systems. Technical assistance covers dosage selection, pigment balance, and LED UV curing adjustment for industrial production conditions.
UVIXE also provides application notes and system recommendations to help formulators improve curing depth, reduce yellowing risk, and stabilize batch performance in large-scale manufacturing. For detailed formulation assistance or system matching, technical documentation and engineer support are available upon request.
Ready to Source Photoinitiator TPO-L?
Send your inquiry to receive pricing, technical guidance, and sample evaluation support for Photoinitiator TPO-L.
- Fast response for bulk quotation and sample requests
- Full documentation support (COA / TDS / SDS)
- Stable export packaging for global UV manufacturing supply chains