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01 Types of Elastomers 02 Mechanism of elastomer-enhanced toughened polymers
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The future development trend of PC/ABS alloy will focus on technological innovation, market demand growth, expansion of application areas and performance improvement, and the prospects are broad.
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Hot melt adhesive is a plastic adhesive. Its physical state will change with the change of temperature within a certain temperature range. Its chemical properties are non-toxic and odorless, and it is an environmentally friendly chemical.
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11 important principles of plastic extrusion 01Mechanical Principle 02Heat principle 03Deceleration principle 04Feed acts as coolant 05In the feeding area, it sticks to the barrel and slides onto the screw 06Materials cost the most 07Energy costs are relatively unimportant 08The pressure at the end of the screw is important 09Output = displacement of the last thread +/- pressure flow and leakage 10 Shear rate plays a major role in viscosity 11The motor and the cylinder are opposite to each other
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PBAT (polybutylene adipate/terephthalate) is a biodegradable plastic that is widely used in many fields due to its good biodegradability and physical properties.
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The so-called "plastic modification" refers to a method of adding one or more other substances to the plastic resin to change its original properties, improve one or more aspects of its properties, and thus expand its scope of application.
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As the manufacturing and processing technology of twin-screw extruders becomes better and better, it not only has to perform tasks such as feeding and plasticizing, but also has some requirements such as dehydration and drying. In order to better meet the different needs of users, the twin-screw extruder must continuously improve its working efficiency, and also find ways to improve the quality of the products produced.
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Polyethylene terephthalate is a colorless, transparent substance with a certain gloss (amorphous), or an opaque milky white substance (crystalline). Physical properties: Polyethylene is non-toxic, odorless, and milky white. It has a density of 0.91-0.96g/cm3 and is a crystalline plastic. Polyethylene has a certain mechanical strength, but its mechanical strength is lower than that of other plastics and its surface hardness is poor.
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In summary, although the resin begins to melt at its melting point, in order to ensure a smooth extrusion process and produce high-quality films, it usually needs to be processed at a temperature higher than the melting point.
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Roots blowers and screw blowers have their own characteristics, and the choice should be based on the needs and scenario conditions of the specific application. Roots blowers are suitable for occasions with large flow and low pressure requirements, while screw blowers are more suitable for applications that require high pressure and stable airflow.