Atactic poly(vinyl chloride)
Poly(vinyl chloride)
CAS: 9002-86-2;93050-82-9
Molecular Formula: C2H3Cl
Atactic poly(vinyl chloride) - Names and Identifiers
Atactic poly(vinyl chloride) - Physico-chemical Properties
| Molecular Formula | C2H3Cl |
| Molar Mass | 62.49822 |
| Density | 1.4 g/mL at 25 °C (lit.) |
| Melting Point | 170-195 °C (decomp) |
| Boling Point | 0.100 °C |
| Vapor Presure | 2580mmHg at 25°C |
| Appearance | Powder |
| Specific Gravity | 1.385 |
| Color | White to Off-White |
| Storage Condition | 2-8°C |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| Refractive Index | n 1.54 |
| MDL | MFCD00084459 |
| Physical and Chemical Properties | The natural color is yellowish translucent with luster. The transparency is better than that of polyethylene and Polyphenylene, but worse than that of polystyrene. With the different amount of additives, it is divided into soft and hard polyvinyl chloride. Soft products are soft and tough, feel sticky, and the hardness of hard products is higher than that of low density polyethylene and lower than that of polypropylene, the phenomenon of whitening occurs in the bend.
|
| Use | Its products are used in light industry, building materials, agriculture, daily life, packaging, electricity, public utilities and other fields, widely used in construction, transportation, machinery, electronics, chemical, agriculture, food packaging and other fields. |
Atactic poly(vinyl chloride) - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37 - Wear suitable protective clothing and gloves. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| WGK Germany | 3 |
| RTECS | KV0350000 |
| HS Code | 3904220000 |
Atactic poly(vinyl chloride) - Upstream Downstream Industry
| Raw Materials | Calcium carbide Coke(coal) Poly(vinyl alcohol) Chlorine vinyl chloride pressure tin with 250 ml ~225 G net 2,2'-Azobisisoheptonitrile Hydrogen Gelatin Hydrochloric acid Calcium oxide acetylene |
Atactic poly(vinyl chloride) - Nature
Open Data Verified Data
The appearance is white spherical particles, the surface is smooth, the internal porosity is high and uniform, the apparent density is large, the dry flow is good, and the plasticity is easy.
Last Update：2024-01-02 23:10:35
Atactic poly(vinyl chloride) - Preparation Method
Open Data Verified Data
Jinxi Research Institute of Chemical Technology. First, distilled water (180 parts), dispersant (0.1-0.06 parts) and other auxiliary agents (appropriate amount) were added to the polymerization vessel, and after purging with nitrogen, vinyl chloride monomer (100 parts) was added. Stir for 15 min, warm up to 55 °c, and stir continuously to
The reaction was stopped when the polymerization pressure decreased by 0.15 MPa, and the final product was obtained by post-treatment.
Last Update：2022-01-01 11:07:42
Atactic poly(vinyl chloride) - Use
Open Data Verified Data
PVC spherical resin is a new upgrade of PVC resin, suitable for the production of hard pipe, especially large diameter pipe.
Last Update：2022-01-01 11:07:43
Atactic poly(vinyl chloride) - Safety
Open Data Verified Data
resin production raw materials, the skin and mucous membranes of the human body have different degrees of stimulation, can cause skin allergic reactions and inflammation; At the same time also pay attention to the harm of resin dust on the human body, long-term inhalation of high concentrations of resin dust, can cause lung lesions. Most of the resin has a common hazard characteristics: open flame, high temperature flammable, and oxidant exposure will cause combustion risk, therefore, the operator to improve the operating environment, the operating area and the non-operating area shall be intentionally drawn apart, automated and closed as far as possible, and ventilation facilities shall be installed. Packed in plastic film-lined bags or polypropylene woven bags, each 25kg. Storage in a cool, dry, ventilated warehouse, not in the open air, not by sunlight. In the wet and hot season to be inverted once a month, easy to ventilation. When transport must use a clean tarpaulin transport, to prevent moisture. Storage and Transportation period of 1 year is appropriate. Water, sand and fire extinguishing agent are available for fire protection.
Last Update：2022-01-01 11:07:43
Atactic poly(vinyl chloride) - Molding Process
Open Data Verified Data
The same general-purpose PVC resin, but has better processability, the extrusion rate can be increased by 15% ~ 25%.
Last Update：2022-01-01 11:07:43
Atactic poly(vinyl chloride) - Introduction
Poly(vinyl chloride)(PVC) is a commonly used synthetic plastic with the following properties:
1. Mechanical properties: PVC resin has good strength and rigidity, and can be bent and cut as needed.
2. Corrosion resistance: PVC resin has good corrosion resistance to acid, alkali and other chemical solvents.
3. Insulation performance: PVC resin is a good insulation material, widely used in wire and cable, electronic products and other fields.
4. Stability: PVC resin resistance to oxidation, ultraviolet radiation, long service life.
PVC resin is widely used, mainly including the following aspects:
1. Building materials: PVC resin is commonly used in the manufacture of PVC pipes, PVC doors and windows, PVC flooring and other building materials, because of its corrosion resistance and weather resistance, suitable for outdoor environment.
2. Packaging materials: PVC resin can be made into film, used in food packaging, medical equipment packaging and other fields.
3. Electrical and Electronic: PVC insulation materials are widely used in electrical and electronic fields such as wires and cables, sockets, etc. to ensure the normal operation of the circuit.
PVC resin preparation method mainly includes polymerization and copolymerization method:
1. Polymerization method: vinyl chloride monomer is polymerized under the action of a polymerization catalyst to obtain PVC resin.
2. Copolymerization method: copolymerization of vinyl chloride and other monomers (such as acrylate) to obtain PVC resin with special functions.
PVC resin safety information is as follows:
1. Thermal stability: PVC resin is easy to decompose and release harmful gases at high temperatures, so it cannot be used in high temperature environments.
2. Toxicity: PVC resin contains additives related to Epoxy compounds, such as phenol, acetone, methyl chloride and other substances. Exposure to high concentrations of these additives may have toxic effects on humans and direct contact should be avoided.
3. Environmental impact: PVC resin production and processing, can produce some harmful substances, such as hydrogen chloride, dioxins and so on. Therefore, when dealing with PVC waste, environmental protection measures should be taken to avoid environmental pollution.
In General, PVC resin plays an important role in daily applications, but attention should be paid to the safety of handling and storage during production and use, and environmental protection measures should be taken, to ensure its safety and environmental protection.
1. Mechanical properties: PVC resin has good strength and rigidity, and can be bent and cut as needed.
2. Corrosion resistance: PVC resin has good corrosion resistance to acid, alkali and other chemical solvents.
3. Insulation performance: PVC resin is a good insulation material, widely used in wire and cable, electronic products and other fields.
4. Stability: PVC resin resistance to oxidation, ultraviolet radiation, long service life.
PVC resin is widely used, mainly including the following aspects:
1. Building materials: PVC resin is commonly used in the manufacture of PVC pipes, PVC doors and windows, PVC flooring and other building materials, because of its corrosion resistance and weather resistance, suitable for outdoor environment.
2. Packaging materials: PVC resin can be made into film, used in food packaging, medical equipment packaging and other fields.
3. Electrical and Electronic: PVC insulation materials are widely used in electrical and electronic fields such as wires and cables, sockets, etc. to ensure the normal operation of the circuit.
PVC resin preparation method mainly includes polymerization and copolymerization method:
1. Polymerization method: vinyl chloride monomer is polymerized under the action of a polymerization catalyst to obtain PVC resin.
2. Copolymerization method: copolymerization of vinyl chloride and other monomers (such as acrylate) to obtain PVC resin with special functions.
PVC resin safety information is as follows:
1. Thermal stability: PVC resin is easy to decompose and release harmful gases at high temperatures, so it cannot be used in high temperature environments.
2. Toxicity: PVC resin contains additives related to Epoxy compounds, such as phenol, acetone, methyl chloride and other substances. Exposure to high concentrations of these additives may have toxic effects on humans and direct contact should be avoided.
3. Environmental impact: PVC resin production and processing, can produce some harmful substances, such as hydrogen chloride, dioxins and so on. Therefore, when dealing with PVC waste, environmental protection measures should be taken to avoid environmental pollution.
In General, PVC resin plays an important role in daily applications, but attention should be paid to the safety of handling and storage during production and use, and environmental protection measures should be taken, to ensure its safety and environmental protection.
Last Update：2024-04-09 21:04:16
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View History
Raw Materials for Atactic poly(vinyl chloride)
Calcium carbide
Poly(vinyl alcohol)
Chlorine
vinyl chloride pressure tin with 250 ml ~225 G net
2,2'-Azobisisoheptonitrile
Hydrogen
Gelatin
Hydrochloric acid
Calcium oxide
acetylene
Poly(vinyl alcohol)
Chlorine
vinyl chloride pressure tin with 250 ml ~225 G net
2,2'-Azobisisoheptonitrile
Hydrogen
Gelatin
Hydrochloric acid
Calcium oxide
acetylene