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PLA (polylactic acid) synthesis methods research

PLA introduction : Polylactic acid (PLA) is a new type of biobased and renewable biodegradable material. Made from starch raw materials proposed by renewable plant resources such as corn, cassava, etc. The starch raw material is saccharified to obtain glucose, and then glucose and a certain strain are fermented to […]

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PVA application and PVA polymer processing into pellets

The application of PVA : 1. Fabric and fabric processing: Due to the high adhesion between molecules, PVA has good drawing and film forming properties, and has established the status of PVA as a raw material for vinylon fiber.  Vinylon fibers made of PVA can be blended with cotton, wool, […]

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Disadvantages of China twin screw extruder

As the professional manufacturer of twin screw extruder from China, we Kerke also wish customers know more about China twin screw extruder and buy the suitable machine. Most will tell you the advantages of twin screw extruder, but today let’s talk about the disadvantages of twin screw extruder from China. […]

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Ways to improve the mixing uniformity of the components in the plastic formulation

1. Pretreatment of materials In the mixing of money, proper pretreatment of the components in the formula can effectively improve the mixing uniformity. Surface treatment of additives: Mainly used for inorganic additives, because the compatibility between inorganic additives and organic resins is not good.The additive is subjected to hydrophobic treatment […]

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Plastic Extruder Tips 10: Color Masterbatch Formulation Research

Color Masterbatch Formulation Research Posted by Andy When you get an order from your customer for a new color masterbatch, if you have no experience, you need to research the approx. formulation first. So actually, the most important thing is you have a good color blending engineer. Now we example […]

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How To Adjust Screw Combination ?

The screw of the twin-screw extruder is a modular combination. The combination of the entire screw should be selected according to the specific formulation, material characteristics, mixing requirements, and operating conditions. The following example illustrates how to make a screw (barrel) component combination for different usage requirements. First, make sure […]

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twin-screw extruders emergency stop steps:

There are two main treatment methods for twin-screw extruders during emergency stop: normal parking and emergency parking. The main steps are as follows: Normal stop. When the extruder is nomal stop, it can be stopped in the following steps: 1.Adjust the feeder speed to zero and press the stop switch […]

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Formula of PA Engineering Plastic Granules

PA Engineering plastic is used in automotive parts and interiors widely. Common fillers for engineering plastics: mica, talc, wollastonite, glass beads, rare earths and alkali metals When 20% of mica is added to PA6, the tensile strength is increased by 20%, and the bending strength and heat distortion temperature are […]

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