What is advanced non-toxic PVC medical material?

2020-11-20

PVC, the full name is Polyvinylchlorid, the main component is polyvinyl chloride, and other components are added to enhance its heat resistance, toughness, ductility, etc. The top layer of this surface film is lacquer, the main component in the middle is polyvinyl chloride, and the bottom layer is back-coated adhesive. It is a kind of synthetic material that is well-loved, popular and widely used in the world today. Its global usage ranks second among various synthetic materials. According to statistics, in 1995 alone, the production volume of PVC in Europe was about 5 million tons, while its consumption was 5.3 million tons. In Germany, the production and consumption of PVC averaged 1.4 million tons. PVC is being produced and used worldwide at a growth rate of 4%. In recent years, the growth of PVC in Southeast Asia has been particularly significant, thanks to the urgent need for infrastructure construction in Southeast Asian countries. Among the materials that can produce three-dimensional surface films, PVC is the most suitable material.

PVC can be divided into soft PVC and hard PVC. Among them, hard PVC accounts for about 2/3 of the market, and soft PVC accounts for 1/3. Soft PVC is generally used for floors, ceilings and leather surfaces, but because soft PVC contains softeners (this is also the difference between soft PVC and hard PVC), it is easy to become brittle and difficult to store, so its scope of use is limited. Hard PVC does not contain softener, so it is flexible, easy to form, not brittle, non-toxic and pollution-free, and has a long storage time, so it has great development and application value. Below are referred to as PVC. The essence of PVC is a kind of vacuum blister film, which is used for the surface packaging of various panels, so it is also called decorative film and adhesive film, which is used in building materials, packaging, medicine and many other industries. Among them, the building materials industry accounts for the largest proportion, at 60%, followed by the packaging industry, and there are several other small-scale applications.

Advanced non-toxicPVC medical materialIn recent years, the development of attack has changed. In fact, the answer to your so-called advanced seems to be answered from the following angles:

1. Medical PVC pellets that do not contain ortho-benzene plasticizers. Although phthalic plasticizers have been widely used in the medical PVC field in the 1960s, the risk of deforming the reproductive system contained in DEHP has continued to appear in the media, so medical PVC pellets that do not contain phthalic plasticizers It is a polymer raw material product that greatly reduces risks. The foreign Kellerlai company and the domestic Hengfang large company have launched relatively mature products.

2. Functionalized medical PVC pellets. For example, in the domestic Hengfangda brand, the medical PVC pellets that can meet the new standard of blood circuit flow maintenance rate, the light-proof PVC pellets that can pass the national drug inspection, the frosted PVC medical pellets, the PVC pellets for development, and the high transparency Low-odor PVC intubation material, high-Vika hard PVC transparent medical pellets, etc.


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