The definition of PVC stabilizer

  Definition of PVC stabilizer in a narrow sense, refers primarily to maintain high polymer plastics, rubber, synthetic fibers, such as stability and prevent its decomposition, the aging of reagents. PVC stabilizer lead salt is the most commonly used heat stabilizer, is also very effective heat stabilizer, the amount can be accounted for more than 70% PVC heat stabilizers. Advantages stabilizer: excellent thermal stability, with long-term thermal stability, good electrical insulation properties, weatherability, low prices. Stabilizer disadvantages: poor dispersibility, toxicity, with the PVC heat stabilizer  color, it is difficult to obtain a transparent product, it is difficult to obtain a vivid color products, the lack of lubricity, easy to produce sulfur contamination. PVC stabilizer to increase the solution, gel, solid, chemical stability of the mixture are called stabilizers. It can slow down the reaction, to maintain chemical balance, reduce surface tension, to prevent the light, PVC stabilizer for profile
  decomposition or oxidation decomposition effect. Source generalized chemical PVC stabilizer is very extensive, mainly based formulation designed to designers, the flexibility to use any chemicals to achieve a stable product quality purposes. Narrowly speaking, mainly refers to maintain high polymer plastics, rubber, synthetic fibers, such as stability and prevent its decomposition, the aging of reagents. In food additives, stabilizers is to make food structural stability, enhanced viscous solids of a class of food additives. Auxiliary heat stabilizer itself does not have heat stability, and only used in combination with the primary stabilizer, heat stabilizing effect will be generated, and to promote the primary stabilizing effect of the stabilizer. Secondary thermal stabilizers generally do not contain metal, which is also called a non-metallic heat stabilizers.

PVC stabilizer uses and Introduction

PVC stabilizer to increase the solution, gel, solid, chemical stability of the mixture are called stabilizers. It can slow down the reaction, to maintain chemical balance, reduce surface tension, to prevent the light, thermal decomposition or oxidation decomposition effect. Sources generalized chemical stabilizer is very extensive, mainly based formulation designed to designers, the flexibility to use any chemicals to achieve a stable product quality purposes. Narrowly speaking, mainly refers to maintain high polymer plastics, rubber, synthetic fibers, such as PVC stabilizer  and prevent its decomposition, the aging of reagents. With a stabilizer according to several different mechanisms to achieve thermal stability purposes. In food additives, PVC stabilizer is to make food structural stability, enhanced viscous solids of a class of food additives. Lead salt PVC stabilizer low price, good thermal PVC stabilizer , has been widely used. Composite thermal stabilizer of the various components can be adequately mixed in the course of production, with a significant improvement in mixing the resin dispersion uniformity. Composite heat PVC stabilizer of the various components can be adequately mixed in the course of production, with a significant improvement in mixing the resin dispersion uniformity. Liquid stabilizer more popular in the country are: PVC heat stabilizer barium zinc stabilizer, liquid calcium zinc stabilizers, liquid barium cadmium zinc stabilizers, liquid barium cadmium stabilizers, liquid potassium zinc catalyst foam stabilizer. New Century people more emphasis on environmental health, as the heavy metals cadmium, had been criticized, so the application scale is gradually reduced, and now the market is commonly used in liquid zinc and barium liquid calcium zinc. Little difference between the stability of the liquid, the liquid stabilizer generally has a greater solubility, and a good dispersibility in PVC resin powder, an effect on the transparency of the powder is also much less than the stabilizer. However, the risk of precipitation of the liquid stabilizer greater. Need to select a suitable solvent.

Introduction and properties of PVC stabilizer

Sources generalized chemical stabilizer is very extensive, mainly based formulation designed to designers, the flexibility to use any chemicals to achieve a stable product quality purposes. Narrowly speaking, mainly refers to maintain high polymer plastics, rubber, synthetic fibers, such as PVC stabilizer
  and prevent its decomposition, the aging of reagents. PVC stabilizer for pipe can increase the solution, gel, solid, stable mixture of chemicals called stabilizers. PVC stabilizer for pipe can slow down the reaction, to maintain chemical balance, reduce surface tension, to prevent the light, thermal decomposition or oxidation decomposition effect.Composite Heat Stabilizer conducive scale production, for the development of lead salt heat stabilizer provides a new direction. Auxiliary heat stabilizer itself does not have heat stability, and only used in combination with the primary PVC stabilizer
 , heat stabilizing effect will be generated, and to promote the primary stabilizing effect of the stabilizer. Auxiliary heat PVC stabilizer for pipe generally does not contain metal, also known as non-metal heat stabilizers. Lead salt stabilizer low price, good thermal stability, has been widely used, the composite heat stabilizer of the various components can be adequately mixed in the course of production, with a significant improvement in mixing the resin dispersion uniformity. Simple supply and reserve the materials is conducive to production and quality management.

PVC stabilizer Introduction

PVC stabilizer to increase the solution, gel, solid, chemical stability of the mixture are called stabilizers. It can slow down the reaction, to maintain chemical balance, reduce surface tension, to prevent the light, thermal decomposition or oxidation decomposition effect. Sources generalized chemical stabilizer is very extensive, mainly based formulation designed to designers, the flexibility to use any chemicals to achieve a stable product quality purposes. Narrowly speaking, mainly refers to maintain high polymer plastics, rubber, synthetic fibers, such as stability and prevent its decomposition, the aging of reagents. PVC heat stabilizer itself does not have heat stability, and only together with the main stabilizer and use, will produce heat stabilizing effect, and the effect of promoting stability in the primary PVC stabilizer. Secondary thermal stabilizers generally do not contain metal, which is also called a non-metallic heat PVC stabilizer  . Liquid PVC stabilizer in the country more popular are: liquid barium zinc stabilizer, liquid calcium zinc stabilizers, liquid barium cadmium zinc stabilizers, liquid barium cadmium stabilizers, liquid potassium zinc catalyst foam stabilizer. New Century people more emphasis on environmental health, as the heavy metals cadmium, had been criticized, so the application scale is gradually reduced, and now the market is commonly used in liquid zinc and barium liquid calcium zinc. Little difference between the stability of the liquid, the liquid stabilizer generally has a greater solubility, and a good dispersibility in PVC resin powder, an effect on the transparency of the powder is also much less than the stabilizer. However, the risk of precipitation of the liquid stabilizer greater. Need to select a suitable solvent.

WSD PVC stabilizer Introduction

Solution can increase, colloidal solids, chemical stability of the mixture are called stabilizers. It can slow down the reaction, to maintain chemical balance, reduce surface tension, to prevent the light, thermal decomposition or oxidation decomposition effect. Sources PVC heat stabilizer chemical stabilizer is very extensive, mainly based formulation designed to designers, the flexibility to use any chemicals to achieve a stable product quality purposes. Narrowly speaking, mainly refers to maintain high polymer plastics, rubber, synthetic fibers, such as stability and prevent its decomposition, the aging of reagents. Auxiliary heat stabilizer itself does not have heat stability, and only used in combination with the primary stabilizer, heat stabilizing PVC stabilizer for profile will be generated, and to promote the primary stabilizing effect of the stabilizer. Secondary thermal stabilizers generally do not contain metal, which is also called a non-metallic heat stabilizers. Liquid stabilizer more popular in the country are: liquid barium zinc stabilizer, liquid calcium zinc stabilizers, liquid barium cadmium zinc stabilizers, liquid barium cadmium stabilizers, liquid potassium zinc catalyst foam stabilizer.

WSD PVC stabilizer one pack stabilizer PVC Heat stabilizer Introduction and Safety

  WSD PVC stabilizer is one important class of plastics processing aids, the birth and development of a thermal stabilizer synchronization with PVC resin is mainly used for the processing of PVC resin, heat stabilizer and so the PVC resin, the ratio of hard and soft PVC products are a close relationship. Since the thermal energy, such as PVC stabilizer for profile  fillers, and other compatible polymers and many other materials, which is considered one of the most common polymers. Its main drawback is the differential thermal stability.
  The use of additives to change the polyvinyl chloride (PVC) and the operating characteristics of the physical appearance, but can not prevent the decomposition of the polymer. Although in the physical and chemical factors of the polymer material will always gradually destroyed, but the PVC stabilizer is called a class of substances can be effectively prevented, substantially reduced or even stop the degradation of the material. Security issues heat stabilizers have more and more people's attention. . Safety PVC stabilizers should consider three aspects, namely the safety of the use of raw materials processing, the second is the user's security, the third is the safety of waste on the environment. Processors security PVC heat stabilizer calcium stearate  measures can be liquefied by stabilizers, cream-based, granular, etc. to be addressed. For the user's safety, the molecular weight of the stabilizer may be prepared in a reactive stabilizer or to improve its resistance to pulling, but taking into account the effect of stabilizing the chemical reaction at the molecular level, the above method is not the most appropriate method, the most good way to still use high security stabilizers. In the choice of the stabilizer, the stabilization process must also be considered in the resin with a stabilizer, or stabilizing agents react with each other the resulting chemical safety.

The actual effect of PVC heat stabilizer

PVC heat stabilizer has two main preparation process, one is the calcium carbide process, main raw materials for the production of PVC heat stabilizer is calcium carbide, coal and salt; two is the ethylene method, optical brightener main raw material is oil. PVC heat stabilizer and zinc borate and optical brighteners are mainlycalcium carbide method. In the calcium carbide preparation of PVC, PVC thermal stabilizer in the salt electrolysis hydrogen chloride for the production of PVC, sodiumsurplus for the production of caustic soda, so, black iron oxide, zinc borate, antimonyflame retardant actually exists symbiosis, chlor alkali balance optical brighteners andthe entire industry two processes in different economic development cycle opticalbrightener, cost difference. Under normal circumstances, iron oxide black because ofhigher oil prices, high aluminum hydroxide and optical brightening agent ethyleneproduction cost, chromium oxide and zinc borate advantages; but once the international economy into recession, chromium oxide will be running low, calcium carbide process because of high energy consumption, such as the electricity price support, cost advantage disappears. PVC heat stabilizer and optical brighteners tocarbide PVC capacity is expanding rapidly, formed a great challenge to the ethyleneproduction of PVC, optical brighteners are many ethylene enterprises at a loss of the edge. But with the 2008 May crude oil prices continued to decline, the ethylene cost advantage obviously, electrical manufacturers stone low profit operation, or evendifficult to continue.