PET polyethylene terephthalate.
PE is polyethylene.
PVC is PVC.
PP is polypropylene.
ABS is a copolymer of acrylonitrile, butadiene, and styrene.
PEP is a copolymer of both polyethylene glycol PEG and propylene oxide PO).
1 Polyvinyl chloride (PVC) It is the largest plastic in construction. Hard PVC has a density of 1.38 to 1.43 g/cm3, high mechanical strength, and good chemical stability. 2 Polyethylene (PE) 3 Polypropylene (PP) Polypropylene density is the smallest in all plastics, about 0 .90 or so. Polypropylene is commonly used to produce pipes, sanitary ware and other building products. 4 Polystyrene (PS) Polystyrene is a colorless, transparent, glass-like plastic. 5ABS plastic ABS plastic is a modified polystyrene plastic consisting of three components based on acrylonitrile (A), butadiene (B) and styrene (S).
PS: Polystyrene is a colorless, transparent plastic material. With a glass transition temperature of more than 100 degrees Celsius, it is often used to make various disposable containers that need to withstand the boiling water temperature, as well as disposable foam lunch boxes.
PP: Polypropylene is a semi-crystalline thermoplastic. With high impact resistance, strong mechanical properties, resistance to a variety of organic solvents and acid-base corrosion. Widely used in the industry, it is one of the common polymer materials. Australian coins are also made of polypropylene.
PE: Polyethylene is one of the most commonly used polymer materials in daily life, and is widely used in the manufacture of plastic bags, plastic films, and milk barrels.
Polyethylene is resistant to various organic solvents and resists many types of acid and alkali corrosion, but it is not resistant to oxidizing acids such as nitric acid. Polyethylene can be oxidized in an oxidizing environment.
Polyethylene can be considered to be transparent in the film state, but due to the presence of a large amount of crystals inside the block, strong light scattering occurs and opacity occurs. The degree of polyethylene crystals is affected by the number of branches, and the more branches, the more difficult it is to crystallize. The crystal melting temperature of polyethylene is also affected by the number of branches and is distributed in the range of from 90 degrees Celsius to 130 degrees Celsius, and the more melted the branches, the lower the temperature. Polyethylene single crystals can usually be prepared by dissolving high-density polyethylene in xylene at temperatures above 130 degrees Celsius. Structural Formula: -CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2
ABS: is a synthetic copolymer of acrylonitrile, butadiene, styrene, acrylonitrile, butadiene, and styrene graft copolymerization products, named after the first letter of their English name. It is a kind of high strength, good toughness, excellent overall performance of the resin, a wide range of uses, often used as engineering plastics. In industry, polybutadiene latex or styrene-butadiene rubber with low styrene content is mainly used as a main chain and is obtained by graft copolymerization with a mixture of acrylonitrile and styrene. In fact it is often a mixture of a butadiene-containing graft polymer and an acrylonitrile-styrene copolymer SAN or AS. In recent years, there are also two kinds of styrene and acrylonitrile monomer copolymerization, and then graft copolymerization of ABS resin mixed in different proportions to obtain a variety of applications to adapt to a variety of ABS resin. The ABS resin can be processed into plastic by injection molding, extrusion, vacuum, blow molding, and roll forming, and can also be processed by mechanical, adhesive, coating, vacuum evaporation, and the like. Due to its excellent overall performance and wide range of uses, it is mainly used as an engineering material and can also be used for household life appliances. Due to its good resistance to oil, acid, alkali, salt, and chemical reagents, and its ability to be electroplated, it has the advantages of good gloss, light weight, and low price when plated with a metal layer, which can be used to replace certain metals. Many types of self-extinguishing and heat-resistant types can also be synthesized to suit various applications.
PET: A polymer of polyethylene terephthalate terephthalic acid and ethylene glycol. The English abbreviation is PET, which is mainly used for manufacturing polyethylene terephthalate fiber. This fiber has high strength and good fabric wearing performance. It is currently the highest yielding synthetic fiber product. In 1980, the world production was about 5.1 million tons, accounting for 49% of the world's total synthetic fiber output.
The high degree of symmetry of the nature of the molecular structure and the stiffness of the phenylene chain make this polymer have high crystallinity, high melting temperature, and insoluble organic solvents. The melting temperature is 257-265°C; its density follows. As the crystallinity increases, the amorphous density is 1.33 g/cm^3. Since the crystallinity is increased after stretching, the density of the fiber is 1.38 to 1.41 g/cm^3. From the X-ray study, the calculation is complete. The density of crystals is 1.463 g/cm^3. The glass transition temperature of the amorphous polymer is 67°C; the crystalline polymer is 81°C. The polymer has a heat of fusion of 113 to 122 J/g, a specific heat capacity of 1.1 to 1.4 J/g, a dielectric constant of 3.0 to 3.8, and a specific resistance of 10^1110^14 ohm.cm. PET is insoluble in common solvents and only soluble in certain corrosive organic solvents such as phenol, o-chlorophenol, m-cresol, and tri-FO acetic acid. PET fiber is stable to weak acids and weak bases.
The main application is synthetic raw materials. Short fibers can be blended with cotton, wool, or hemp to make fabrics for clothing or interior decoration; filaments can be used for garments or industrial yarns, such as filter cloths, tire cords, parachutes, conveyor belts, security Bands, etc. Film can be used as a film base for photographic film and audio tapes. Injection molded parts can be used as packaging containers.
PVC: Polyvinyl chloride is a polymer material that uses one chlorine atom to replace one hydrogen atom in polyethylene.
PVC is the most prominent feature of flame retardant, so it is widely used in fire protection applications. However, polyvinyl chloride releases hydrochloric acid and other toxic gases during combustion.
Structural formula: -CH2-CHCl-CH2-CHCl-CH2-CHCl
PE is polyethylene.
PVC is PVC.
PP is polypropylene.
ABS is a copolymer of acrylonitrile, butadiene, and styrene.
PEP is a copolymer of both polyethylene glycol PEG and propylene oxide PO).
1 Polyvinyl chloride (PVC) It is the largest plastic in construction. Hard PVC has a density of 1.38 to 1.43 g/cm3, high mechanical strength, and good chemical stability. 2 Polyethylene (PE) 3 Polypropylene (PP) Polypropylene density is the smallest in all plastics, about 0 .90 or so. Polypropylene is commonly used to produce pipes, sanitary ware and other building products. 4 Polystyrene (PS) Polystyrene is a colorless, transparent, glass-like plastic. 5ABS plastic ABS plastic is a modified polystyrene plastic consisting of three components based on acrylonitrile (A), butadiene (B) and styrene (S).
PS: Polystyrene is a colorless, transparent plastic material. With a glass transition temperature of more than 100 degrees Celsius, it is often used to make various disposable containers that need to withstand the boiling water temperature, as well as disposable foam lunch boxes.
PP: Polypropylene is a semi-crystalline thermoplastic. With high impact resistance, strong mechanical properties, resistance to a variety of organic solvents and acid-base corrosion. Widely used in the industry, it is one of the common polymer materials. Australian coins are also made of polypropylene.
PE: Polyethylene is one of the most commonly used polymer materials in daily life, and is widely used in the manufacture of plastic bags, plastic films, and milk barrels.
Polyethylene is resistant to various organic solvents and resists many types of acid and alkali corrosion, but it is not resistant to oxidizing acids such as nitric acid. Polyethylene can be oxidized in an oxidizing environment.
Polyethylene can be considered to be transparent in the film state, but due to the presence of a large amount of crystals inside the block, strong light scattering occurs and opacity occurs. The degree of polyethylene crystals is affected by the number of branches, and the more branches, the more difficult it is to crystallize. The crystal melting temperature of polyethylene is also affected by the number of branches and is distributed in the range of from 90 degrees Celsius to 130 degrees Celsius, and the more melted the branches, the lower the temperature. Polyethylene single crystals can usually be prepared by dissolving high-density polyethylene in xylene at temperatures above 130 degrees Celsius. Structural Formula: -CH2-CH2-CH2-CH2-CH2-CH2-CH2-CH2
ABS: is a synthetic copolymer of acrylonitrile, butadiene, styrene, acrylonitrile, butadiene, and styrene graft copolymerization products, named after the first letter of their English name. It is a kind of high strength, good toughness, excellent overall performance of the resin, a wide range of uses, often used as engineering plastics. In industry, polybutadiene latex or styrene-butadiene rubber with low styrene content is mainly used as a main chain and is obtained by graft copolymerization with a mixture of acrylonitrile and styrene. In fact it is often a mixture of a butadiene-containing graft polymer and an acrylonitrile-styrene copolymer SAN or AS. In recent years, there are also two kinds of styrene and acrylonitrile monomer copolymerization, and then graft copolymerization of ABS resin mixed in different proportions to obtain a variety of applications to adapt to a variety of ABS resin. The ABS resin can be processed into plastic by injection molding, extrusion, vacuum, blow molding, and roll forming, and can also be processed by mechanical, adhesive, coating, vacuum evaporation, and the like. Due to its excellent overall performance and wide range of uses, it is mainly used as an engineering material and can also be used for household life appliances. Due to its good resistance to oil, acid, alkali, salt, and chemical reagents, and its ability to be electroplated, it has the advantages of good gloss, light weight, and low price when plated with a metal layer, which can be used to replace certain metals. Many types of self-extinguishing and heat-resistant types can also be synthesized to suit various applications.
PET: A polymer of polyethylene terephthalate terephthalic acid and ethylene glycol. The English abbreviation is PET, which is mainly used for manufacturing polyethylene terephthalate fiber. This fiber has high strength and good fabric wearing performance. It is currently the highest yielding synthetic fiber product. In 1980, the world production was about 5.1 million tons, accounting for 49% of the world's total synthetic fiber output.
The high degree of symmetry of the nature of the molecular structure and the stiffness of the phenylene chain make this polymer have high crystallinity, high melting temperature, and insoluble organic solvents. The melting temperature is 257-265°C; its density follows. As the crystallinity increases, the amorphous density is 1.33 g/cm^3. Since the crystallinity is increased after stretching, the density of the fiber is 1.38 to 1.41 g/cm^3. From the X-ray study, the calculation is complete. The density of crystals is 1.463 g/cm^3. The glass transition temperature of the amorphous polymer is 67°C; the crystalline polymer is 81°C. The polymer has a heat of fusion of 113 to 122 J/g, a specific heat capacity of 1.1 to 1.4 J/g, a dielectric constant of 3.0 to 3.8, and a specific resistance of 10^1110^14 ohm.cm. PET is insoluble in common solvents and only soluble in certain corrosive organic solvents such as phenol, o-chlorophenol, m-cresol, and tri-FO acetic acid. PET fiber is stable to weak acids and weak bases.
The main application is synthetic raw materials. Short fibers can be blended with cotton, wool, or hemp to make fabrics for clothing or interior decoration; filaments can be used for garments or industrial yarns, such as filter cloths, tire cords, parachutes, conveyor belts, security Bands, etc. Film can be used as a film base for photographic film and audio tapes. Injection molded parts can be used as packaging containers.
PVC: Polyvinyl chloride is a polymer material that uses one chlorine atom to replace one hydrogen atom in polyethylene.
PVC is the most prominent feature of flame retardant, so it is widely used in fire protection applications. However, polyvinyl chloride releases hydrochloric acid and other toxic gases during combustion.
Structural formula: -CH2-CHCl-CH2-CHCl-CH2-CHCl
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