PRODUCTS

VOCAPLAST UV

VOCAPLAST UV contributes to film formation while reducing overall system viscosity.
VOCAPLAST UV is supplied as a clear to slightly yellow liquid with low viscosity and very low volatility.
VOCAPLAST UV has good miscibility with common UV-curable resins, oligomers, and photoinitiators.

CAS Number: 9087-61-0
EINECS Number: 218-362-5

Synonyms: Aluminum Starch Octenylsuccinate, 618-671-9, ALUMINIUM STARCH OCTENYLBUTANEDIOATE, ALUMINIUM STARCH OCTENYLSUCCINATE, ALUMINUM STARCH OCTENYLBUTANEDIOATE, ALUMINUM STARCH OCTENYLSUCCINATE (II), ALUMINUM STARCH OCTENYLSUCCINATE [II], ALUMINUM STARCH OCTENYLSUCCINATE [INCI], DRY-FLO, DTXSID201009936, DTXSID701052847, I9PJ0O6294, RefChem:556701, STARCH ALUMINIUM OCTENYL SUCCINATE, STARCH ALUMINUM OCTENYL SUCCINATE, STARCH, HYDROGEN 2-(OCTEN-1-YL)BUTANEDIOATE, ALUMINIUM SALT, STARCH, HYDROGEN 2-(OCTEN-1-YL)BUTANEDIOATE, ALUMINUM SALT, STARCH, HYDROGEN OCTENYLBUTANEDIOATE, ALUMINIUM SALT, STARCH, HYDROGEN OCTENYLBUTANEDIOATE, ALUMINUM SALT, Starch aluminum octenylsuccinate, Starch, hydrogen octenylbutanedioate, aluminum salt;ALUMINIUMSTARCHOCTENYLSUCCINATE;STARCHALUMINIUMOCTENYLSUCCINATE;Aluminum starch octenylbutanedioate;Starch aluminum octenylsuccinate;ALUMINUM STARCH OCTENYLSUCCINATE;starch food modified: starch aluminum octenyl succinate;Mackaderm Asto-Dry

VOCAPLAST UV is a commercial polymer additive used mainly as a reactive diluent and flexibilizing agent in UV-curable coating, ink, and adhesive systems.
VOCAPLAST UV is typically based on low-molecular-weight acrylate or methacrylate oligomers designed to be compatible with photopolymerization processes.
The exact chemical composition and functionality are proprietary and depend on the specific product grade.

VOCAPLAST UV contains polymerizable double bonds that can participate in UV-initiated free-radical crosslinking reactions.
This allows VOCAPLAST UV to become chemically incorporated into the cured polymer network rather than remaining as a volatile solvent.
Because it is reactive, it does not evaporate during curing and helps maintain film thickness.

During curing, VOCAPLAST UV copolymerizes with other acrylate components under UV radiation.
It improves flexibility, impact resistance, and adhesion of the cured coating or adhesive film.
VOCAPLAST UV can also help reduce internal stress and cracking in highly crosslinked systems.

VOCAPLAST UV is widely used in UV-curable coatings for wood, plastics, metals, and electronic components.
It is applied in printing inks, overprint varnishes, and pressure-sensitive adhesives to improve processability and final mechanical properties.
VOCAPLAST UV is also used in optical and protective coatings where low shrinkage and good surface quality are required.

From a safety standpoint, VOCAPLAST UV may cause skin and eye irritation upon contact in liquid form.
Acrylate-based materials may cause allergic skin sensitization after repeated exposure.
Inhalation of vapors or aerosols should be avoided, and protective gloves and eye protection are recommended during handling.

VOCAPLAST UV is not highly flammable but should be kept away from strong heat and direct sunlight before curing.
Uncured material should be prevented from entering the environment due to potential toxicity to aquatic organisms.
After UV curing, the polymerized material is generally considered inert and stable.

VOCAPLAST UV is a commercial-grade reactive polymer additive designed for use in UV-curable resin systems.
It functions mainly as a reactive diluent and flexibilizer to adjust viscosity and mechanical properties of UV formulations.
The exact formulation is proprietary but is typically based on mono- or multifunctional acrylate or methacrylate chemistry.

The material contains polymerizable vinyl (C=C) groups that can participate in free-radical photopolymerization.
These functional groups allow the molecule to chemically bond into the cured polymer network.
This reduces migration, volatility, and extractable content compared to non-reactive plasticizers.

Physically, VOCAPLAST UV is supplied as a clear to pale yellow liquid with low to medium viscosity.
VOCAPLAST UV has very low vapor pressure and does not significantly evaporate during application or curing.
It shows good miscibility with common UV oligomers such as epoxy acrylates, polyester acrylates, and urethane acrylates.

Substances Added to Food (formerly EAFUS): STARCH, FOOD, MODIFIED: STARCH ALUMINUM OCTENYL SUCCINATE
SCOGS (Select Committee on GRAS Substances): Starch Aluminum Octenyl Succinate
EWG's Food Scores: 1-2
FDA UNII: I9PJ0O6294

During UV exposure, photoinitiators generate free radicals that initiate polymerization of VOCAPLAST UV together with other acrylate monomers and oligomers.
This copolymerization increases crosslink density while also improving segmental mobility of the polymer chains.
As a result, cured films exhibit reduced brittleness, lower shrinkage stress, and improved adhesion to substrates.

VOCAPLAST UV is used in UV-curable coatings for wood, plastics, metals, glass, and electronic components.
It improves flow, leveling, flexibility, and impact resistance of cured coatings.
VOCAPLAST UV also helps reduce surface defects such as cracking, pinholes, and delamination.

In printing inks and overprint varnishes, it is used to optimize viscosity for high-speed printing processes.
VOCAPLAST UV enhances pigment wetting, ink transfer, and scratch resistance of printed films.
VOCAPLAST UV also supports fast curing while maintaining film integrity.

In UV-curable adhesives and sealants, it improves wetting of substrates and flexibility of bonded joints.
VOCAPLAST UV reduces internal stress at the adhesive interface and enhances peel and shear strength.
This is especially important for bonding dissimilar materials with different thermal expansion coefficients.

In optical and protective coatings, VOCAPLAST UV helps achieve smooth surfaces and uniform film thickness.
VOCAPLAST UV contributes to good transparency and low haze when properly formulated.
It is suitable for applications requiring low extractables and minimal odor after curing.

From a safety perspective, uncured VOCAPLAST UV may cause irritation to skin, eyes, and mucous membranes.
Repeated or prolonged exposure may lead to skin sensitization due to acrylate functionality.
Protective gloves, eye protection, and appropriate ventilation are recommended during handling.

Inhalation of vapors or aerosols should be avoided, particularly during spraying operations.
Uncured material may be harmful to aquatic organisms if released into the environment.
Spills should be contained and disposed of according to chemical waste regulations.

VOCAPLAST UV should be stored in tightly closed containers, protected from light and heat to prevent premature polymerization.
Storage temperatures should typically be kept below 30 °C, and contact with strong oxidizing agents should be avoided.
Photoinitiator contamination or UV exposure during storage can lead to gelation or viscosity increase.

VOCAPLAST UV is generally compatible with most UV-curable resins, photoinitiators, and additives, but formulation testing is required.
Excessive amounts may reduce hardness or chemical resistance of cured films.
Optimal dosage is selected to balance flexibility, cure speed, and final mechanical performance.

Uses:
VOCAPLAST UV is used as a reactive diluent to reduce viscosity of UV-curable coating, ink, and adhesive formulations without increasing volatile organic compounds (VOC).
It improves processability during mixing, pumping, spraying, and printing operations.
Because it becomes part of the polymer network after curing, it does not evaporate or migrate from the final film.

In UV-curable coatings, it is applied on wood, plastics, metals, glass, and electronic substrates.
VOCAPLAST UV enhances flow and leveling, reduces surface defects, and improves flexibility and impact resistance of cured films.
VOCAPLAST UV also helps minimize internal curing stress and cracking in highly crosslinked systems.

In printing inks and overprint varnishes, VOCAPLAST UV is used to adjust ink viscosity and improve transfer efficiency on high-speed presses.
It supports better pigment wetting, uniform color development, and improved abrasion resistance.
VOCAPLAST UV contributes to fast curing while maintaining film integrity and gloss.

In UV-curable adhesives and sealants, it improves wetting of substrates and enhances flexibility of adhesive joints.
VOCAPLAST UV reduces brittleness and increases resistance to peel and mechanical shock.
This is especially useful for bonding plastics, flexible films, and mixed-material assemblies.

In protective and functional coatings, it is used where low shrinkage and good adhesion are required.
VOCAPLAST UV supports uniform film thickness and good surface smoothness in optical and electronic applications.
It can also help improve resistance to microcracking under thermal cycling.

In specialty formulations, VOCAPLAST UV is used to balance hardness and elasticity in cured polymer networks.
VOCAPLAST UV allows formulators to fine-tune mechanical properties without significantly reducing cure speed.
This makes it useful in applications requiring both durability and flexibility.

VOCAPLAST UV is used as a reactive diluent to reduce formulation viscosity while maintaining high solids content in UV-curable systems.
It enables easier processing, pumping, spraying, roll coating, and ink transfer without adding volatile solvents.
Because it copolymerizes during UV curing, it does not contribute to VOC emissions or post-cure migration.

In UV-curable industrial coatings, it is applied to wood panels, furniture, plastic parts, metal components, and electronic housings.
VOCAPLAST UV improves wetting of substrates, surface leveling, and film uniformity.
It enhances flexibility, impact resistance, and resistance to cracking under mechanical or thermal stress.

In graphic arts and printing inks, it is used to optimize rheology for flexographic, offset, and digital UV printing systems.
It improves pigment dispersion stability, color consistency, and surface gloss.
VOCAPLAST UV also contributes to abrasion resistance and scuff resistance of printed layers.

In overprint varnishes and protective topcoats, VOCAPLAST UV improves scratch resistance and adhesion to underlying ink layers.
VOCAPLAST UV helps maintain clarity and transparency in high-gloss finishes.
It supports rapid curing without compromising coating toughness.

In UV-curable adhesives, it is used to adjust tack, flexibility, and wetting behavior.
It improves bonding performance on plastics, glass, and metal surfaces.
VOCAPLAST UV reduces internal stresses at the adhesive interface and improves long-term durability of bonded joints.

In specialty polymer formulations, VOCAPLAST UV is used to balance hardness and elasticity of cured networks.
It allows formulators to tailor mechanical properties without significantly slowing curing speed.
This makes it useful for applications requiring both durability and flexibility.

VOCAPLAST UV helps maintain clarity and transparency in high-gloss finishes.
It supports rapid curing without compromising coating toughness.

In electronics and optical coatings, it is used where low shrinkage, dimensional stability, and smooth surfaces are required.
VOCAPLAST UV supports uniform coating thickness on sensitive components and lenses.
It also helps minimize birefringence and microcrack formation in precision coatings.

Safety Profile:
VOCAPLAST UV in uncured liquid form may cause irritation to the skin, eyes, and mucous membranes upon direct contact.
Eye contact can result in redness, tearing, and discomfort, and immediate rinsing with plenty of water is required.
Prolonged or repeated skin contact may lead to dryness, redness, or dermatitis.

Because VOCAPLAST UV is based on acrylate or methacrylate chemistry, repeated exposure may cause skin sensitization in some individuals.
Once sensitized, even small amounts may trigger allergic skin reactions.
Therefore, direct skin contact should be strictly avoided during handling.

Inhalation of vapors or aerosols, especially during spraying or high-temperature processing, may irritate the respiratory tract.
Symptoms may include coughing, sore throat, and shortness of breath.
Adequate ventilation or local exhaust systems should be used in working areas.

Ingestion may cause gastrointestinal irritation, nausea, or abdominal discomfort.
It is not intended for ingestion and should be kept away from food and beverages.
Medical attention should be sought if significant quantities are swallowed.

VOCAPLAST UV is not highly flammable, but it can burn when exposed to strong ignition sources.
During combustion, it may release irritating and toxic fumes such as carbon monoxide, carbon dioxide, and acrylate decomposition products.
Firefighters should use appropriate respiratory protection.

Uncured material may be harmful to aquatic organisms if released into water systems.
VOCAPLAST UV may cause long-term adverse effects in aquatic environments due to poor biodegradability of some acrylate components.
Spills should be contained and prevented from entering drains or natural waterways.

During storage, exposure to heat, light, or contamination with photoinitiators may cause premature polymerization.
This can lead to pressure buildup, viscosity increase, or gel formation in containers.
Containers should therefore be tightly closed and protected from UV light and high temperatures.