High Quality Hydrotalcite with CAS number 11097 - 59 - 9 is a remarkable inorganic compound. Chemically, hydrotalcite is a layered double hydroxide with a general formula of [M2+1 - xM3+x(OH)2]x+(An -)x/n·mH2O, where M2+ is a divalent cation such as Mg2+, Zn2+, etc., M3+ is a trivalent cation like Al3+, and An - is an interlayer anion.
Our hydrotalcite product features high purity, and its particle size distribution can be precisely controlled to meet different industrial requirements. It has excellent thermal stability, remaining stable at relatively high temperatures, which makes it suitable for applications in high - temperature environments.
1. **PVC Industry**: Hydrotalcite acts as a heat stabilizer in the polyvinyl chloride (PVC) industry. It can absorb hydrogen chloride released during the PVC processing and degradation process, effectively preventing the discoloration and degradation of PVC products, and improving the thermal stability and service life of PVC products.
2. **Flame Retardant Applications**: Due to its endothermic decomposition characteristics and the ability to release water vapor and carbon dioxide during the decomposition process, hydrotalcite can be used as a flame retardant additive in polymers. It can dilute combustible gases, isolate oxygen, and play an excellent role in flame retardancy.
3. **Catalyst Support**: Hydrotalcite's unique layered structure and surface properties make it an ideal catalyst support. It can disperse catalyst active components well, enhance the interaction between the active components and the support, and improve the catalytic performance of the catalyst.
1. **PVC Processing**: In PVC processing, hydrotalcite is usually added during the mixing process. The appropriate addition amount is generally 1 - 5 parts per 100 parts of PVC resin, depending on the specific processing requirements and product performance expectations. It should be evenly mixed with other additives such as plasticizers, lubricants, etc.
2. **Flame Retardant Compounding**: When used as a flame retardant, hydrotalcite needs to be well - dispersed in the polymer matrix. This can be achieved through methods such as melt blending. The addition amount is determined according to the flame retardancy level required by the product, usually ranging from 5 - 20% of the polymer mass.
3. **Catalyst Preparation**: In catalyst preparation, hydrotalcite can be pre - treated to adjust its surface properties and then impregnated with active metal components. After impregnation, it is dried and calcined to form an active catalyst.
**Case 1: PVC Pipe Production**
A PVC pipe manufacturer used our hydrotalcite as a heat stabilizer. Before using hydrotalcite, their PVC pipes often had problems such as yellowing and brittleness during long - term storage and high - temperature use. After adding 3% hydrotalcite by mass to the PVC resin, the pipes showed significantly improved thermal stability. The pipes maintained good mechanical properties and appearance even after being stored at 60°C for 3 months, and the production scrap rate was reduced by 20%.
**Case 2: Polypropylene Flame Retardancy**
A plastics manufacturer wanted to improve the flame retardancy of polypropylene (PP) products. They added 15% hydrotalcite to the PP matrix through melt blending. The resulting PP products passed the UL94 V - 0 flame retardancy test, which was a significant improvement compared to the original non - flame - retardant PP products. This enabled the company to expand its market share in the fire - safety - demanding industries.
If you have any questions or need further information about our High Quality Hydrotalcite CAS 11097 - 59 - 9, please feel free to contact us
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