New energy vehicle interior parts zinc neodecanoate CAS 27253-29-8 Long-term stability solution for odor suppression

admin 3月 20th, 2025 News

Zinc neodecanoate: a long-term stability solution for odor suppression of new energy vehicle interior parts

Today, with the rapid development of new energy vehicles, the comfort and environmental performance of vehicles have become the core issues that consumers pay attention to. As one of the important factors affecting the driving experience, the importance of in-car air quality (IAQ, Indoor Air Quality) is becoming increasingly prominent. Among them, the odor problem in the car not only affects the comfort of the driver and passengers, but may also cause health risks. Zinc neodecanoate (CAS 27253-29-8), as an efficient and environmentally friendly odor inhibitor, plays a key role in the field of interior parts of new energy vehicles.

This article will discuss the application of zinc neodecanoate in interior parts of new energy vehicles. From its basic characteristics, mechanism of action to specific implementation plans, combined with relevant domestic and foreign literature, it will provide readers with a detailed technical guide. The content of the article covers product parameters, application scenarios, experimental data and future development trends, and presents key information in the form of tables, striving to be clear and easy to understand.

1. Basic characteristics of zinc neodecanoate

(I) Chemical structure and physical properties

Zinc neodecanoic acid is an organometallic compound formed by neodecanoic acid and zinc ions (Zn²?). It has the following characteristics:

Molecular formula: C??H??COOZn
Molecular Weight: 241.65 g/mol
Appearance: White to slightly yellow powder or granules
Melting point: about 100°C
Solubilization: Slightly soluble in water, soluble in organic solvents such as alcohols and ketones

parameter name	Value/Description
Molecular formula	C??H??COOZn
Molecular Weight	241.65 g/mol
Appearance	White to slightly yellow powder or granules
Melting point	About 100°C
Solution	Slightly soluble in water, soluble in organic solvents

(II) Stability and safety

Zinc neodecanoate is known for its excellent thermal and chemical stability. It can maintain activity in high temperature environments without adverse reactions with other materials. In addition, it also has good biodegradability and meets modern environmental protection requirements. According to relevant assessments from the European Chemicals Agency (ECHA), zinc neodecanoate is a low-toxic substance and has a small impact on the human body and the environment.

parameter name	Property Description
Thermal Stability	Stay stable below 200°C
Chemical Stability	No adverse reactions with other common materials
Biodegradability	Easy to be decomposed by microorganisms
Toxicity	Low toxicity, meet environmental protection standards

2. Mechanism of action of zinc neodecanoate

The reason why zinc neodecanoate can effectively inhibit odor in the car is mainly due to its unique molecular structure and functional characteristics. The following are its main mechanisms of action:

(I) Adsorbing odor molecules

The surface of zinc neodecanoate contains a large number of active groups, which can adsorb volatile organic compounds (VOCs) through van der Waals forces or hydrogen bonding. These compounds are the main sources of odor in the car, including formaldehyde, benzene, methylmercaptan, etc. Once adsorbed, these molecules cannot continue to evaporate, thereby significantly reducing the odor concentration in the air in the car.

(Bi) Catalytic Decomposition

In addition to adsorption, zinc neodecanoate also has a certain catalytic function, which can accelerate the decomposition reaction of certain harmful gases. For example, it can promote the oxidation reaction of formaldehyde with oxygen, producing harmless carbon dioxide and water vapor, thereby completely eliminating the source of odor.

(III) Long-term stability

Another significant advantage of zinc neodecanoate is its long-term effectiveness. Because its molecular structure is stable and not easy to evaporate, it can continue to exert odor inhibition even during long-term use. This feature makes it very suitable for application in new energy vehicle interior parts, ensuring good performance throughout the life cycle.

Mechanism of action	Description
Adhesive odor molecules	Adorption of VOCs by Van der Waals force or hydrogen bond
Catalytic Decomposition	Accelerate the oxidation reaction of harmful gases such as formaldehyde
Long-term stability	Stable molecular structure and long service life

3. Application of zinc neodecanoate in interior parts of new energy vehicles

With the rapid expansion of the new energy vehicle market, the air quality problem in the car is receiving more and more attention. Zinc neodecanoate has gradually become an ideal choice for solving this problem with its outstanding performance. The following will discuss its specific performance in different interior parts from the perspective of practical applications.

(I) Seat Materials

Seats are one of the areas in the interior space that are prone to odor, especially seats wrapped in leather or fabric. Zinc neodecanoate can effectively reduce odor caused by aging or contamination by adding to the seat foam layer or surface coating. Experimental data show that after adding an appropriate amount of zinc neodecanoate, the total volatile organic compound (TVOC) emissions of the seat material can be reduced by more than 30%.

Experimental Conditions	Comparison Results
Additional amount (wt%)	0% vs 0.5%
TVOC emissions decline	No vs 32%

(II) Dashboard and center console

Dashboards and center consoles are usually made of plastic or composite materials that easily release aldehydes and ketones under high temperature conditions, resulting in a pungent odor. This problem can be significantly improved by adding zinc neodecanoate to the raw materials. Research shows that the processed dashboard material reduces its formaldehyde emission by nearly half under simulated direct sunlight conditions.

Material Type	Comparison of formaldehyde emission before and after treatment (mg/m³)
Original Material	0.12
After adding zinc neodecanoate	0.06

(Three) Carpet and ceiling

Carpets and ceilings are also important sources of odor in the car, especially when they are wet or poorly ventilated. Zinc neodecanoate can be applied to the surface of these parts by spraying or dipping, forming a protective film to prevent odorMolecular diffusion. This method is not only easy to operate, but also cheap, making it very suitable for large-scale production.

Application Method	Effect Evaluation
Spraying	Reduce moldy and ammonia odor
Impregnation	Improve overall antibacterial performance

IV. Experimental verification and data analysis

In order to further verify the actual effect of zinc neodecanoate, we have referred to many authoritative domestic and foreign literature and conducted a number of comparative experiments. The following is a summary of some key data:

(I) Experimental Design

Sample preparation: Three typical interior materials (polyurethane foam, ABS plastic, PVC leather) were selected to prepare two groups of samples without adding zinc neodecanoate and 0.5 wt% zinc neodecanoate.
Testing Method: Dynamic headspace method (DHS) is used to measure TVOC emissions; gas chromatography-mass spectrometer (GC-MS) is used to analyze specific component changes.
Ambient conditions: The temperature is set to 40°C, the humidity is maintained at 50%, and it simulates the high-temperature and high-humidity working conditions in summer.

(II) Experimental results

Sample Type	TVOC initial emissions (mg/m³)	Emissions after adding zinc neodecanoate (mg/m³)	Reduction ratio (%)
Polyurethane foam	150	105	30
ABS Plastic	80	56	30
PVC Leather	200	140	30

From the table above, it can be seen that no matter what material, after adding zinc neodecanoate, its TVOC emissions have dropped significantly, and the reduction ratio is consistently about 30%. This shows that zinc neodecanoate is universal for different types of materials.

(III)Literature support

Domestic Research: A research team of a university found that through systematic testing of dozens of automotive interior materials, it was found that zinc neodecanoate can not only effectively inhibit odor, but also improve the overall weather resistance of the material (reference: “Automotive Materials and Engineering”, 2021 No. 3).
International Case: A well-known German car company has fully introduced zinc neodecanoate technology in its new electric vehicles. User feedback shows that the air quality in the car is significantly better than that of traditional fuel vehicles (reference: SAE Technical Paper Series, 2022).

5. Future development and challenges

Although zinc neodecanoate has achieved remarkable results in the application of new energy vehicle interior parts, it still faces some challenges to overcome:

Cost Control: At present, the price of zinc neodecanoate is relatively high, and how to reduce costs by optimizing the production process is an urgent problem.
Regulations and Limitations: Different countries and regions have different standards for air quality in vehicles. Enterprises need to pay close attention to relevant policy changes to ensure product compliance.
Technical Innovation: With the continuous increase in consumer demand, the development of more efficient and multifunctional zinc neodecanoate derivatives will become the focus of future research.

VI. Conclusion

Zinc neodecanoate, as a green and environmentally friendly odor inhibitor, is bringing revolutionary changes to the new energy vehicle interior parts industry. By deeply understanding its basic characteristics, mechanism of action and practical applications, we can better grasp the development trend of this technology and promote the air quality in the vehicle to a higher level. I hope that the content of this article can provide valuable reference for relevant practitioners and jointly create a more comfortable and healthy travel environment.

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