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Stabaxol L is an excellent extension of material service life, solid, high thermal stability.
Stabaxol L is an anti-hydrolysis agent for PET, PBT, PA and TPE.
Stabaxol L is a commercial carbodiimide-based stabilizer primarily used to enhance the hydrolysis resistance of polymers, especially polyesters like PET, PBT, and PLA (polyethylene terephthalate, polybutylene terephthalate, and polylactic acid).
CAS Number: 2162-74-5
Molecular Formula: C25H34N2
Molecular Weight: 362.56
EINECS Number: 218-487-5
Synonyms: Bis(2,6-diisopropylphenyl)carbodiimide, Staboxol 1, Carbo D, YPK27Z98PL, DTXSID5051862, 2,2',6,6'-Tetraisopropyldiphenylcarbodiimide, EINECS 218-487-5, UNII-YPK27Z98PL, Carbodiimide, bis(2,6-diisopropylphenyl)-, N,N'-Methanetetraylbis(2,6-bis(1-methylethyl)benzenamine), Benzenamine, N,N'-methanetetraylbis(2,6-bis(1-methylethyl)-, BIS(2,6-DIISOPROPYLPHENYL)-CARBODIIMIDE, EC 218-487-5, Benzenamine, N,N'-methanetetraylbis[2,6-bis(1-methylethyl)-, DTXCID3030420, Carbodiimide, bis(2,6-diisopropylphenyl)-(7CI,8CI), 218-487-5, 2162-74-5, N,N'-Methanediylidenebis(2,6-diisopropylaniline), (2,6-diisopropylphenyl)carbodiimide, MFCD00082211, N,N'-bis[2,6-bis(propan-2-yl)phenyl]methanediimine, C25H34N2, Maybridge1_004202, SCHEMBL134760, HMS553G24, AKOS015915473, FB16104, bis(2,6-di-2-propylphenyl)carbodiimide, bis-(2,6-diisopropylphenyl)carbodiimide, AS-10072, SY035749, DB-119014, B2756, CS-0154311, NS00007917, EN300-256163, O12007, N,N/'-bis[2,6-di(propan-2-yl)phenyl]methanediimine, N,N'-bis[2,6-di(propan-2-yl)phenyl]methanediimine, Q27894368, N-{N-[2,6-bis(propan-2-yl)phenyl]carboximidoyl}-2,6-bis(propan-2-yl)aniline, RARECHEM AQ A4 0133;STABILIZER 7000 / 7000 F;Stabilizer 7000;N,N'-Bis(2,6-diisopropylphenyl)carbodiimide;Benzenamine, N,N-methanetetraylbis2,6-bis(1-methylethyl)-;(2,6-diisopropylphenyl)-[(2,6-diisopropylphenyl)iminomethylene]amine;N,N'-bis[2,6-di(propan-2-yl)phenyl]methanediimine;Bis(2,6-diisopropylphenyl)carbodiimide ,98%
Stabaxol L helps extend the lifespan of these materials by preventing degradation caused by moisture, which can break down polymer chains over time.
Stabaxol L is produced by LANXESS, a well-known chemical manufacturer, and belongs to a family of monomeric and oligomeric carbodiimides.
It is especially valued in applications such as packaging, automotive parts, fibers, and biodegradable plastics, where durability and resistance to water or humid environments are important.
This additive works by reacting with the carboxylic acid end groups formed during polymer hydrolysis, thereby stopping or slowing down the chain-scission reaction.
Stabaxol L is typically added during polymer processing (like extrusion or injection molding) in small amounts and is effective even at relatively low concentrations.
Stabaxol L is available as masterbatch based on the corresponding polymers.
Stabaxol L is a monomeric carbodiimide. Acts as an anti-hydrolysis agent.
It has distinctly reduced content of volatile components for polyester polymers (PET, PBT, TPE), polyamide, thermoplastics polyester polyurethanes (TPU) and millable urethane rubber.
Stabaxol L is very suitable for extrusion of monofilaments.
Its recommend dosage is 1.5 to 2.5 pbw for polyester, polyamide, and thermoplastic polyurethanes.
Stabaxol L is preferably metered separately to the infeeding zone of the extruder.
Stabaxol L is highly recommended to provide adequate local ventilation, where its stabilized products are exposed to temperatures exceeding 200 °C.
Stabaxol L is designed for polyester and polyamide processing which provides sucient dispersion of the material in the polymer.
Stabaxol L is an active antihydrolysis agent with distinctly reduced content of volatile components for Polyester polymers (PET, PBT, TPE), Polyamide, thermoplastic Polyesterpolyurethanes (TPU) and millable Urethane rubber.
Stabaxol L is very suitable for the production of monofilaments.
Carbodiimide anti-hydrolysis agent stabilizers are used in polymer materials containing ester and amide groups, lubricating greases, and organic liquids, especially at higher process temperatures.
It removes acid and water and prevents autocatalytic degradation.
The main applications of Anti-hydrolysis Agents are the stabilization of polyester products (including PET, PBT, and TPEE) and many polyurethane products and Polyamide nylon products, EVA, and other easily hydrolyzed plastic stabilizers.
Stabaxol L can also prevent the attack of water and acid on lubricating ester and lubricating oil, and play a stabilizing role.
It can improve the service life of many polymers, especially the anti-hydrolysis and hydrolysis stability under harsh conditions such as high temperature, humidity and acid-base media.
These polymers include PU, PET, PBT, TPU, CPU, TPEE, PA6, PA66 and EVA etc.
With Stabaxol L, as with the other new carbodiimides, LANXESS is addressing the trend toward customized anti-hydrolysis agents that are tailor-made for use in individual applications and can thus outstandingly meet requirements with respect to stabilization performance, toxicology, emissions and handling.
Stabaxol L shows outstanding performance when used in the polyester/polylactone polyols, thermoplastic polyurethanes (TPU) and other PU elastomers.
In particular its use in the polyurethane applications leads to an extension of the service life of the final article under moist and warm operating conditions.
Stabaxol L is supplied in liquid form.
Stabaxol L can be processed very easily as it does not have to be pre-heated in the production process, has low viscosity at room temperature and is thus easy to meter uniformly.
Melting point: 51 °C
Boiling point: 152–162 °C (Press: 0.05 Torr)
Density: 0.95 ± 0.1 g/cm³ (Predicted)
Vapor pressure: 0.006 Pa at 20 °C
Flash point: 197 °C
Storage temp.: 2–8 °C
Form: Powder to lump
Color: White to almost white
Water solubility: 50 μg/L at 20 °C
InChIKey: XLDBGFGREOMWSL-UHFFFAOYSA-N
LogP: 6.2 at 30 °C
Stabaxol L is preferably metered separately to the infeeding zone of the extruder.
Stabaxol L can be processed on any unit suitable for polyester and polyamide processing which provides sucient dispersion of the material in the polymer.
Stabaxol L is an essential additive for polymer producers and processors who require long-term durability and resistance to moisture-driven degradation, especially in polyesters and biodegradable plastics.
Its use leads to enhanced product lifespans, reduced maintenance, and broader application possibilities for sensitive materials.
In respect of the extruder equipment, experience shows that it is advisable to use a twin-screw extruder equipped with a L/D ratio > 38.
Appropriate cooling of the feeding zone is recommended to avoid particle accumulation in the feeding area.
At processing temperature traces of volatile matters can escape, which may temporarily cause irritation of skin, eyes and respiratory passages.
It is highly recommended to provide adequate local ventilation at all places where Stabaxol L stabilized products are exposed to temperatures exceeding 200 °C (392 F).
In particular, Stabaxol L is necessary to avoid direct contact with volatile emissions.
Anti-hydrolysis agent aha 100 is monomeric carbodiimide, a representative variety of anti-hydrolysis agent which has the characteristics of high purity, light color, no odor and high activity.
Stabaxol L is widely used in polyester polyol, nylon, engineering plastics containing ester group, polyurethane elastomers, adhesives, coating systems, and lubricating oil.
It can effectively inhibited the hydrolysis of such materials and stabilize the initial mechanical properties.
At the same time, it can also block the active carboxyl terminations of polyester materials.
Repair damaged polyester and polyurethane materials, Stabaxol L can prolong the service life of polymer products under harsh working conditions such as high temperature and humidity.
Stabaxol L is a liquid, monomeric carbodiimide compound developed by LANXESS as a hydrolysis stabilizer, specifically designed to protect polymers against degradation when exposed to moisture or high humidity.
It is part of the Stabaxol product line, which includes both liquid and solid carbodiimide stabilizers used to prolong the performance of materials, especially under challenging environmental conditions.
Hydrolysis is a common problem in polyesters and other condensation polymers, where water breaks the ester bonds in the polymer chain, leading to a significant drop in molecular weight and mechanical properties over time.
Stabaxol L prevents this by chemically reacting with the carboxylic acid end groups formed during hydrolytic cleavage, effectively "capping" them and stopping further breakdown.
This makes it a very useful additive in applications where materials are exposed to water, steam, or humid air over extended periods.
Because of its low viscosity and liquid form, Stabaxol L can be easily incorporated into polymers during melt processing, such as extrusion, compounding, or injection molding.
Stabaxol L is compatible with a wide range of thermoplastic polyesters including PET (polyethylene terephthalate), PBT (polybutylene terephthalate), PLA (polylactic acid), and other biodegradable or bio-based polymers.
This makes it especially important in sustainable packaging, bioplastics, and engineering plastics that must retain performance over time in moist environments.
Uses Of Stabaxol L:
Stabaxol L is used primarily as a hydrolysis stabilizer in polymer materials, meaning it is added to various types of plastics to protect them from degradation caused by moisture, especially in humid or wet environments.
One of its most common uses is in polyester-based plastics, such as polyethylene terephthalate (PET), polybutylene terephthalate (PBT), and polylactic acid (PLA), all of which are prone to hydrolytic breakdown over time when exposed to water or steam.
Stabaxol L is not just a chemical additive—it is a critical enabler of performance, durability, and product lifespan in many industries that rely on polyester and bio-based materials.
Its ability to extend the useful life of moisture-sensitive polymers has made it an indispensable tool in modern materials engineering, supporting the development of stronger, longer-lasting, and more sustainable plastic products across numerous high-demand sectors.
In the packaging industry, Stabaxol L is widely used to increase the durability of biodegradable plastics, especially PLA, which is commonly used for food containers, disposable cutlery, and compostable packaging films.
Since PLA can degrade quickly in moist conditions, the addition of Stabaxol L helps manufacturers create more durable and stable products, even when they are stored or used in warm and humid environments.
In the automotive sector, it is added to engineering plastics like PBT that are used in electrical connectors, engine components, and under-the-hood parts.
These parts often operate in high-temperature conditions where moisture is present, so stabilizers like Stabaxol L are essential to prevent material failure and extend the service life of components.
Stabaxol L is also used in electronic and electrical applications, where plastic insulation materials and housings must maintain their strength and insulating properties despite long-term exposure to heat and humidity.
By improving hydrolysis resistance, Stabaxol L allows these materials to comply with safety standards and maintain performance over time.
Stabaxol L finds use in 3D printing materials, especially for PLA-based filaments, where it helps improve the long-term durability and mechanical strength of printed objects, making them more suitable for functional and load-bearing applications.
In bioplastics and compostable products, Stabaxol L allows manufacturers to strike a balance between biodegradability and performance.
While the material remains compostable under industrial composting conditions, it becomes more resistant to premature degradation during use and storage.
Because Stabaxol L is a liquid additive, it is particularly well-suited for continuous production processes, such as extrusion or injection molding, where it can be easily dosed and mixed with the base polymer.
Its use helps reduce processing issues, improve consistency in product performance, and ultimately enhance the quality and reliability of the final plastic products.
In agricultural applications, such as mulch films, greenhouse covers, and irrigation tubing made from biodegradable polymers like PLA or modified polyesters, Stabaxol L helps materials maintain their performance in moist soil or humid climates until biodegradation is intended to occur.
This selective stability makes it possible to design materials that perform reliably during use, but still meet environmental degradation goals after their useful life.
Beyond its primary role in stabilizing polyesters,Stabaxol L is also employed across a broad range of industries and product types that require high-performance materials capable of withstanding long-term exposure to moisture, heat, and mechanical stress.
Because hydrolysis can significantly reduce the molecular weight and mechanical integrity of many engineering plastics, the addition of Stabaxol L allows these materials to retain their physical properties even under extreme environmental conditions.
In the construction and building materials industry, Stabaxol L is added to polymers used in products such as plastic piping, insulation foams, roofing membranes, and sealing systems, where water exposure is inevitable.
By improving the hydrolytic stability of these components, manufacturers are able to produce materials that last longer in wet environments without becoming brittle, cracked, or structurally unsound.
In medical and healthcare-related applications, particularly in the manufacturing of medical-grade polymers, hydrolysis stabilizers like Stabaxol L are used to ensure that products such as diagnostic device housings, tubing, surgical instruments, and certain implantable polymers maintain their strength and functionality during storage, sterilization (especially steam sterilization), and use.
Although medical use requires strict regulatory compliance, the improved durability and extended shelf life offered by hydrolysis stabilizers is highly beneficial in such settings.
Stabaxol L is also beneficial in the recycling industry, particularly in the processing of recycled polyesters such as rPET (recycled polyethylene terephthalate).
Recycled materials often suffer from a lower molecular weight due to previous degradation cycles, but adding Stabaxol L during reprocessing can help stabilize the material and prevent further hydrolysis, thus improving the quality and consistency of recycled plastic products.
Safety Profile Of Stabaxol L:
Stabaxol L is widely used as an effective stabilizer in polymer processing, it is still a chemical substance, and like many industrial additives, it must be handled with care to minimize health and safety risks.
According to safety data provided by the manufacturer and chemical safety databases, Stabaxol L may pose certain hazards to human health and the environment if not managed properly during storage, handling, or disposal.
One of the primary concerns associated with Stabaxol L is its potential to cause skin and eye irritation upon direct contact.
If the liquid comes into contact with the skin, it may lead to redness, dryness, or allergic reactions in sensitive individuals.
In the event of eye exposure, it can cause moderate to severe irritation, leading to discomfort, watering, or blurred vision, particularly if not rinsed out immediately with water.
Inhalation of vapors or aerosols generated during processing—especially at elevated temperatures—can irritate the respiratory tract, potentially causing coughing, throat irritation, or shortness of breath, especially in poorly ventilated workspaces.
Although Stabaxol L is considered to have relatively low volatility, thermal decomposition at high processing temperatures may release toxic fumes, such as nitrogen oxides or other irritating organic vapors, which can be hazardous to health if inhaled repeatedly or in large amounts.
A poison by ingestion,intraperitoneal, and inhalation when heated todecomposition it emits toxic vapors of NOx.
