The difference between paste resin and ordinary PVC resin

With the rapid development of modern industry, resin materials have been widely used in chemical industry, construction, electronics, packaging and other fields. In many resin materials, paste resin and ordinary P PVC resin are often confused because of their similarity. In order to help you better understand the difference between these two materials, this article will conduct in-depth analysis from the structure, performance, application and other aspects to help readers make wise choices.

1. paste resin and ordinary PVC resin structure comparison

Paste resin is a modified product of PVC resin, the main difference lies in the molecular structure. The molecular structure of ordinary PVC resin is relatively simple, mainly by polyethylene and sulfur dioxide generated by polymerization, with good heat resistance and weather resistance. The paste resin on the basis of ordinary PVC resin, adding fillers and modifiers, through the modification process to further optimize the molecular structure, so that it has better mechanical properties and processing performance.

In terms of molecular structure, the molecular weight of the paste resin is usually higher and the molecular structure is denser, which makes the paste resin more stable during processing, with a higher melting point and a wider processing temperature range. The molecular structure of ordinary PVC resin is relatively loose, which is easily affected by environmental factors, resulting in increased processing difficulty.

2. paste resin and ordinary PVC resin performance comparison

1. Machining performance The processing performance of paste resin is significantly better than that of ordinary PVC resin. Its higher molecular weight and compact molecular structure make it still maintain good processing stability at high temperatures, which makes the paste resin perform well in processing processes such as injection molding and extrusion. Ordinary PVC resin is easy to decompose or crack at high temperature, and it is difficult to process.

2. Mechanical properties The mechanical properties of paste resin are better. Its higher impact strength and flexibility make it stable when subjected to impact loads, and it is suitable for high-demand fields such as precision instruments and electronic equipment. Ordinary PVC resin is mainly used in daily necessities and industrial basic materials.

3. Weather resistance and durability Paste resins generally have better weather resistance and durability, and can be used stably for a long time in complex environments. The performance of ordinary P PVC resin may decrease due to environmental factors in long-term use.

3. paste resin and ordinary PVC resin application comparison

1. Application areas Paste resin is mainly used in high-end electronic equipment, precision instruments, packaging materials and other fields, the material performance requirements are higher. Ordinary PVC resin is mainly used for daily necessities, industrial basic materials, etc.

2. Packaging Materials Paste resin is used in food, medicine and other fields with high environmental protection requirements, while ordinary PVC resin is mostly used in ordinary packaging materials.

3. injection molding material Paste resins are commonly used in injection molding materials due to their higher processing stability and mechanical properties, while ordinary PVC resins are mainly used in simple packaging materials.

4. choose paste resin or ordinary PVC resin key criteria

1. Performance requirements Choose according to actual needs. If you need higher performance and stability, paste resin is a better choice; if you just meet the basic needs, ordinary PVC resin can meet.

2. Economy Due to the high cost of paste resin, it is suitable for occasions with high material performance requirements; ordinary PVC resin has low cost and is suitable for economical needs.

3. Machinability Paste resin is more stable in the process and is suitable for automatic production; ordinary PVC resin is more difficult to process.

Although paste resin and ordinary PVC resin belong to the same type of resin material, but due to the different molecular structure and performance characteristics, there are obvious differences in the application field and the use of the scene. The choice of material requires a comprehensive consideration of performance, economy and processability according to actual needs. I hope that the analysis of this article can help you better understand the difference between these two materials and make an informed choice.