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  • tpr material application

    TPR materials are widely used in daily products, adult products, hardware tools, luggage wheels, sports equipment, toy products, auto parts, medical products, wires and cables, electronic appliances, communication instruments and footwear materials, etc. Among them, the shoe material and toy industries are mainly applied to the TPR of SBS substrates, and the modified materials based on SEBS are mainly used in
    Release time: 2018-06-14 Clicks: 22

  • tpr color note

    —— For SBS-based TPR, it is recommended to use polystyrene or EVA as the masterbatch; —— For SEBS-based higher hardness TPE, polypropylene-based masterbatch is recommended; — For lower hardness TPE with SEBS as the base, it is recommended
    Release time: 2018-06-14 Clicks: 34

  • Development of PVC

    PVC materials with special requirements generally need to be imported from abroad. Some of the more well-known foreign companies include United Carbonation Corporation and Nordic Chemical Company. With the continuous research and development and technology accumulation of major research institutes and production units in China, domestic PVC reforms The formula design and manufacturing of sexual materials have reached the international advanced level, and they have completely replaced imported materials from abroad.
    Release time: 2018-06-14 Hits: 29

  • Performance index of PVC modification

    Coloring polyvinyl chloride has poor thermal stability and light resistance. At 150 ° C, hydrogen chloride begins to decompose, and adverse reactions occur with the amount of plasticizer. In addition, the effect of pigment on PVC is reflected in whether the pigment reacts with PVC and other components that make up PVC products, and the pigment itself is resistant to migration and heat resistance. Some ingredients in colorants may cause
    Release time: 2018-06-14 Clicks: 23

  • PVC production method

    Polyvinyl chloride can be made by substitution reaction of ethylene, chlorine and catalyst. Due to its fire and heat resistance, PVC is widely used in various products in various industries: wire sheath, fiber optic sheath, shoes, handbags, bags, accessories, signboards and billboards, construction and decoration supplies, furniture, hangings , Rollers, pipes, toys (such as the famous Italian "Rody" vaulting horse),
    Release time: 2018-06-14 Clicks: 35

  • History of PVC

    As early as 1835, polyvinyl chloride was discovered by V. Lenio in the United States. When vinyl chloride was irradiated with sunlight, a white solid was produced, namely polyvinyl chloride. PVC was discovered twice in the 19th century, once by Henri Victor Regnault in 1835 and once by Eugen Baumann in 1872.
    Release time: 2018-06-14 Hits: 28

  • Analysis and Solution of TPE Injection Molding Defects

    Bad phenomenon Possible cause Treatment method The cooling time of the finished product is too short, the finished product fails to cool enough, the cooling time is extended, the mold opening speed is too fast, and the strong pull deformation slows the mold opening speed Reduce the mold temperature in place. The temperature of the finished product is too low or the mold temperature is too low. Increase the barrel temperature and mold temperature.
    Release time: 2018-06-14 Clicks: 35

  • The main purpose of PVC

    Due to its high chemical stability, it can be used to make anticorrosive pipes, fittings, oil pipelines, centrifugal pumps and blowers. Polyvinyl chloride rigid boards are widely used in the chemical industry to make various tank linings, corrugated boards for buildings, door and window structures, wall decorations and other construction materials. Due to its excellent electrical insulation properties, it can be used in the electrical and electronic industries to manufacture plugs, sockets,
    Release time: 2018-06-14 Clicks: 32

  • Practical application of PVC

    The advantages of UPVC pipe fittings and pipes are light: the proportion of UPVC materials is only 1/10 of that of cast iron. It is easy to transport, install and reduce costs. Excellent chemical resistance: UPVC has excellent resistance to acids and alkalis, except for strong acids and alkalis near the saturation point or strong Oxidinging agentsatmaximun. Non-conductive: UP
    Release time: 2018-06-14 Clicks: 24

  • Superiority of PVC

    Various appearances In this sense, the market prospect of PVC film is very promising. With the development of the times, PVC is gradually gaining people's favor with its good performance, simple process and many other advantages. It has been accepted and recognized by more and more people. , PVC can be seen everywhere in people's daily life. P
    Release time: 2018-06-14 Clicks: 27

  • PVC composition structure

    Polyvinyl chloride is a polymer material that uses a chlorine atom to replace a hydrogen atom in polyethylene. It is an amorphous polymer with a small amount of crystalline structure. The structure of this material is as follows: [―CH2―CHCl―] n. PVC is a linear polymer in which VCM monomers are mostly connected in a head-to-tail structure. The carbon atoms are arranged in a zigzag pattern, all atoms are σ
    Release time: 2018-06-14 Clicks: 34

  • PVC polymerization method

    PVC is prepared by free radical addition polymerization. The polymerization methods are mainly divided into suspension polymerization, emulsion polymerization and bulk polymerization. Suspension polymerization is the main method, which accounts for about 80% of the total PVC production. Add pure water, liquefied VCM monomer, and dispersant to the reactor, then add initiator and other auxiliaries. After the temperature is raised to a certain temperature, the VCM monomer will be free.
    Release time: 2018-06-14 Clicks: 41

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TPR热塑性弹性体

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