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Plasticizer for PVC profiles and Applications 2014-09-19
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Plasticizer for PVC plasticizer (plasticizer) is a polymer material aid, but also environmental estrogens in the phthalate esters (PAEs phthalates), its variety, the most common variety is DEHP. A colorless, odorless liquid, on a wide range of industrial applications.  Plastic  lubricants agents, generally known as a plasticizer. The plasticizer is a polymer material aids are widely used in the industry, to add the substance in the plastic processing, so that it can enhance the flexibility, easy processing, can be legally used for industrial purposes. DEHP not only can not be added to food, not even allowed to be used on food packaging.
Plasticizing agent is a large industrial products, widely used in various fields of national  plastic lubricant ,including plastics, rubber, adhesives, cellulose, resins, medical equipment, cables and other thousands of products.
For example, often use cling film in general, one is additive-free PE (polyethylene) material, but its poor stickiness; Another widely used is PVC (polyvinyl chloride) plastic wrap, there are plenty of plasticizing agent, to allow the PVC (polyvinyl chloride) and increases the viscosity of the material becomes soft, very suitable for packaging of fresh food.

The actual application of the concept of a plasticizer and polyvinyl chloride 2014-08-12
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                                       PVC plasticizers poor stability to light and heat, over or through prolonged sun exposure, it will decompose and produce hydrogen chloride, and thus a step autocatalytic decomposition, causing discoloration, physical and mechanical properties quickly landed in actual use stabilizers must be added to increase the heat and light stability. Very strong PVC plasticizers PVC plasticizers is also very poor solubility, only a small number of the solvent is dissolved in cyclohexanone, tetrachloroethane, and tetrahydrofuran and the like, organic and inorganic acids and bases, salts are stable, but decreases with the use of the chemical stability of the temperature. PVC plasticizers of carbon disulfide dissolved in acetone or acetone - benzene mixed solvent, the plasticizer for the polyvinyl chloride dry spinning or wet spinning fibers from, said polyvinyl chloride having a flame retardant, acid, anti-microbial, wear-resistant properties and has good thermal resistance and elasticity.

Application of PVC plasticizer 2014-08-12
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PVC is a thermoplastic resin, a plasticizer from the polymerization of vinyl chloride in the role of initiator. Is a vinyl chloride homopolymer. Homopolymers and copolymers of vinyl chloride resin, a vinyl chloride system call. Plasticizer for PVC white amorphous powder, the degree of branching is small. PVC elements of industrial production as a plasticizer in the square range, with larger and more dispersed, decrease the temperature increases with the amount of polymeric elements; no fixed melting point of beginning to change into a viscous flow state; better the mechanical properties, tensile strength about the impact strength; has excellent dielectric properties.


PVC plasticizing effect and agent 2014-08-02
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PVC plasticizer with styrene as monomer by linear polyaddition reaction received high marks from compounds. Transparent polystyrene plastic is very good, light transmission rate second only to ordinary glass and organic glass, corrosion PVC plasticizer which can resist acid and alkali, and the density of small, beautiful appearance. PVC plasticizer manufacture a lot of daily necessities, such as soap, toothbrush, hangers, food box etc.. PVC plasticizer also can be used in the production of children's toys and decorations. Another advantage of PVC plasticizer is good electrical insulation properties, widely used in the insulation material in electrical appliances, such as radio, TV shell on the high-voltage insulation materials etc.. PVC plasticizer disadvantage is its brittleness is big, easy to crack, use should pay attention to avoid kepeng. The heat resistance is poor, easy to deformation heating. Chemical name is called phenolic plastics, polyvinyl chloride is first put into industrial production variety agent. Phenolic and aldehyde compounds in acidic or alkaline catalyst, PVC plasticizer reaction of phenolic resin. The phenolic resin and wood powder, talcum powder (filler), urotropine (curing agent), stearic acid (lubricant), pigment and so on are fully mixed, and the mixed heating mixer mixing, the bakelite powder. The bakelite heating in the mould pressing after thermosetting phenolic plastics.


Unplasticized polyvinyl chloride significance and value of agent 2014-08-02
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                                       PVC plasticizer (code PVC) is a synthetic polymer made of vinyl chloride monomer polymerization. Polyvinyl chloride is a white or light yellow powder resin, in PVC with different plasticizer and stabilizer, plasticizer resin, can be made of rigid polyvinyl chloride different and soft pvc. PVC plasticizer itself is a linear polymer, because the molecular attraction between large, combined with each other tightly and firmly, the polymer chain can not move freely, so hard. As with or without addition of resin (10%) plasticizers, get the hard polyvinyl chloride. Rigid polyvinyl chloride density is high, with the excellent performance of acid, alkali resistance and corrosion resistance, it is often used as a chemical equipment, pipes and building materials, such as flooring, ceiling etc.. When adding more in the resin and plasticizer, can be made of soft PVC, plasticizer and more, plastics more pliable. Soft PVC with elastic, capable of folding, light, water resistance, resistance to oxidation, so it is always used to film and wire wrapping. PVC products in daily life is mostly soft PVC, such as artificial leather produced by PVC are widely used in clothing, footwear, luggage, handbags etc.. If you join the foaming agent in PVC foam, can be made. It has excellent properties of lightweight, heat insulation, sound insulation, widely used in shoes, building materials, ship and aircraft manufacturing industry. PVC is low softening point, PVC plasticizer will break down to release hydrogen chloride. At the same time, PVC plastics added stabilizer and plasticizer is toxic, so you can't use made of PVC plastic bags of food, to avoid poisoning.

The actual application of PVC plasticizer 2014-08-02
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                                       Plasticizer for PVC processing aid with flame retardant, chemical resistance (resistance to high concentrated hydrochloric acid, sulfuric acid concentration, concentration of nitric acid and the concentration of sodium hydroxide), PVC plasticizer in case of not heating stabilizer, PVC processing aid that begins to decompose, the faster decomposition of plasticizer for PVC processing aid heating the decomposition of the release of hydrogen chloride gas, make its color from white to pale yellow, red, brown, black, impact modifier and oxygen will make the PVC photo oxidative decomposition, so that the flexible PVC last fall, crisp. PVC plasticizer from here is not difficult to understand, why some PVC plastic over time will turn yellow, brittle. Word sense disambiguation plastics processing aids discrimination has stable physical and chemical properties, insoluble in water, ethanol, gasoline additives processing aids, gas, water vapor permeability and low processing aids; PVC plasticizer at room temperature for any concentration of hydrochloric acid, sulfuric acid, caustic soda solution, the poly vinyl chloride processing aid following, with chemical corrosion resistance of certain; for salt is quite stable, but can bedissolved in ether, ketone, chlorinated aliphatic hydrocarbons and aromatic hydrocarbons and other organic solvents.

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