ZDBC (Zinc Dibutyldithiocarbamate) is a rubber accelerator which was widely used to enhance vulcanization in latex products, ensuring optimal curing speed, elasticity, and durability for efficient production.
![ZDBC Latex Use](https://raywaychem.com/wp-content/uploads/2025/04/zdbc1-1.jpg")
The efficiency of latex vulcanization heavily depends on selecting the correct accelerator. If you’re involved in latex production, understanding ZDBC and its specific advantages can significantly improve your products’ quality and your competitive edge.
What is the full form of ZDBC accelerator?
The full form of ZDBC accelerator is Zinc Dibutyldithiocarbamate.
Chemical Identity of ZDBC Accelerator
ZDBC, chemically known as Zinc Dibutyldithiocarbamate, belongs to the dithiocarbamate class of rubber accelerators. Its chemical composition consists of zinc salts combined with dibutyldithiocarbamate. This compound appears as a white powder and is highly soluble in organic solvents but sparingly soluble in water. It is one of the most efficient accelerators for latex curing, owing to its fast vulcanization properties and minimal discoloration effect on rubber and latex materials.
Here’s a simplified table summarizing ZDBC’s chemical identity:
| Property | Description |
|---|---|
| Chemical Name | Zinc Dibutyldithiocarbamate |
| Molecular Formula | C18H36N2S4Zn |
| Appearance | White powder |
| Solubility | Insoluble in water; soluble in organic solvents |
| CAS Number | 136-23-2 |
Manufacturers often choose ZDBC because it provides excellent balance between curing speed and the physical properties of vulcanized rubber products.
What rubber or latex products is ZDBC commonly used for?
ZDBC accelerator is commonly used in latex gloves, condoms, balloons, medical products, latex pillows, mattresses, and rubber footwear.
Applications of ZDBC in Rubber and Latex Industries
ZDBC is highly favored in latex-based industries because of its fast curing characteristics, low toxicity, and excellent quality of the finished product. The accelerator is typically employed in manufacturing thin-walled products where elasticity, durability, and sensitivity are crucial factors.
Below is a table of common products using ZDBC:
| Latex Product Category | Examples | Reason for Using ZDBC |
|---|---|---|
| Medical Products | Surgical gloves, examination gloves | Faster curing, low toxicity |
| Consumer Products | Condoms, balloons | Good elasticity, minimal irritation |
| Household Items | Latex pillows, mattresses | Durability, softness, good rebound |
| Footwear | Rubber shoes, boots | Improved wear resistance, flexibility |
From personal experience working with global manufacturers, I found that the choice of ZDBC significantly enhances product performance, offering consistent elasticity, better tensile strength, and reduced allergic reactions.
What is the ZDBC accelerator used for?
The ZDBC accelerator is used to facilitate rapid vulcanization of rubber and latex, ensuring consistent curing, high elasticity, and improved product lifespan.
Purpose and Advantages of Using ZDBC
ZDBC serves the purpose of significantly reducing the curing time of rubber and latex materials, resulting in efficient production processes. In practical terms, vulcanization without accelerators is very slow and inefficient. The primary benefits of using ZDBC in the vulcanization process include:
- Accelerated Cure Rate: Ensures shorter production cycles and increases productivity.
- Enhanced Elasticity: Produces superior flexibility and elasticity.
- Improved Mechanical Properties: Better tensile strength, resilience, and tear resistance.
Here is a comparison demonstrating why manufacturers prefer ZDBC:
| Feature | With ZDBC | Without Accelerator |
|---|---|---|
| Vulcanization Time | Very short (minutes) | Very long (hours or days) |
| Product Quality | High elasticity, durable | Low elasticity, brittle |
| Efficiency | High production rate | Low production rate, costly |
In my factory, using ZDBC has notably improved efficiency and product consistency, making us highly competitive globally.
What is the process of vulcanization of latex?
Latex vulcanization is a chemical process where latex is heated with accelerators and sulfur to form cross-links between polymer chains, enhancing elasticity and durability.
![]
Detailed Steps of Latex Vulcanization
The vulcanization of latex follows a specific sequence of chemical reactions:
- Latex Preparation: Latex is stabilized and prepared with additives.
- Mixing Accelerators and Sulfur: Adding ZDBC and sulfur initiates curing.
- Heating Process: Heat induces cross-linking reactions.
- Cross-link Formation: Chemical bonds form between polymer chains.
- Cooling and Curing: The product is cooled to stabilize properties.
Below is a simplified table of the vulcanization steps:
| Step | Description |
|---|---|
| Preparation | Stabilizing latex with additives |
| Acceleration | Adding accelerators like ZDBC and sulfur |
| Heating | Cross-linking polymer chains through heating |
| Finalizing | Cooling and stabilizing the product |
Understanding this process helped me optimize our latex manufacturing, ensuring consistent quality in every batch.
Why the ZDBC is used for vulcanization of latex?
ZDBC is used because it provides rapid curing, minimal discoloration, low toxicity, and consistent elasticity essential for latex products.
Key Reasons for Choosing ZDBC Accelerator
Manufacturers select ZDBC primarily due to its efficiency and the quality it imparts to latex products. Key reasons include:
- Fast Vulcanization Speed
- Minimal Discoloration
- Low Allergic Reaction
- Superior Mechanical Properties
This accelerator is particularly valuable in medical latex products where quality and reliability are non-negotiable. Personally, using ZDBC has substantially enhanced our reputation for premium latex goods.
What is the difference between ZDBC and ZDEC?
ZDBC (Zinc Dibutyldithiocarbamate) has slower curing speed and lower irritancy compared to ZDEC (Zinc Diethyldithiocarbamate), which cures faster but may cause skin sensitivities.
Comparison between ZDBC and ZDEC
| Property | ZDBC Accelerator | ZDEC Accelerator |
|---|---|---|
| Chemical Composition | Zinc Dibutyldithiocarbamate | Zinc Diethyldithiocarbamate |
| Cure Speed | Moderate | Faster |
| Skin Irritation | Lower | Higher |
| Typical Applications | Gloves, pillows, footwear | Gloves, balloons, condoms |
Based on my experience, choosing between ZDBC and ZDEC depends on your product requirements, such as curing speed and sensitivity.
What is the top manufacturers of accelerator ZDBC?
Top ZDBC accelerator manufacturers include Kemai Chemical, Sunsine Chemical, Lanxess, Shandong Yanggu Huatai, Rayway Chemical Etc.
Leading Global ZDBC Manufacturers
- Qingdao Rayway Chemical Co.,Ltd. (China)
- Shandong sunsine chemical Co.,Ltd. (China)
- Lanxess (Germany)
- Shandong Yanggu Huatai Chemical Co.,Ltd. (China)
- Uhoo Chemical Co.,Ltd (China)
- Willing New Materials Technology Co., Ltd. (China)
- Henan lianlian liyuan new material co.,LTD. (China)
- Wuhan Jinghe Chemical Co.,Ltd.(China)
- Nocil Limited(India)
Conclusion
ZDBC accelerator is critical for enhancing latex product quality, curing efficiency, and competitiveness in the global market.
