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201912-11: Application of high powder in three screw production

Traditional twin-screw production of this kind of filled masterbatch has only one meshing zone, and the shearing force and the number of times of shearing cannot achieve the desired effect. Therefore, a large screw aspect ratio is required to break the agglomeration effect of the particles. And the amount of filler is difficult to exceed 90％, otherwise it will cause uneven dispersion due to weak shearing effect and abnormal shutdown due to excessive instantaneous torque; if the mixing is not uniform in a high mixer, go to double It is also difficult to achieve uniform dispersion in the screw. When traditional twin-screws are used to produce highly-filled masterbatches, CaCO3 must be fully activated before entering the mainframe in order to reach a qualified product. The three-screw has multiple meshing zones, and the mixing ability is relatively strong. The requirements for the high-stirring process are not very harsh, which reduces the difficulty of operation.

201912-11: Thermoplastic elastomers

There are many types of thermoplastic elastomer TPE, and the types we have contacted are TPE, TPR, TPU, TPV, TPEE, TPO, TPAE, TPS, etc. How about it? Is it confusing? Let me make it for you Interpret the differences between different types of TPE.

Thermoplastic elastomers

201912-11: Several polymer resin alloys on the market

The polymer resin alloy introduced in the following article is a conforming material composed of two or more polymer materials. Due to the increasing demand for modified materials, more and more products of different types are required. In order to better meet customer needs, we have developed alloy materials with different properties and different properties through modification methods to meet customer needs. , Widely used in the market.

201912-11: POM modification technology classification discussion

POM has the lowest oxygen index in plastics, is extremely flammable, and has a chain reaction. It is sensitive to acid and alkali. So far, there are no flame retardant POM products with excellent performance. Everyone can concentrate on research, and the monopoly market belongs to you guys.

201912-11: The future direction of additive technology and modified plastics

12 future directions for the modified plastics market:Thermally conductive plastic.Hottest: LED lamp cup and heat sink.Others: electronic and electrical products, such as chip cooling, etc. (I looked at a plastic engineer in 2005 and found out that the thermally conductive plastic I know was first used in electronics)

201912-11: How to apply carbon fiber in the field of modified thermoplastics

Due to the different types of thermoplastic resins and reinforcing materials, their production processes and the properties of the composite materials they produce vary greatly.From the perspective of the production process, plastic composite materials are divided into two categories: short fiber reinforced composite materials and continuous fiber reinforced composite materials:

201912-11: Understanding New Chemical Fibers

Some chemical fiber companies have reported that domestic downstream enterprises have always emphasized that the price of textile raw materials must be low, and that they despise the diversity and functionality of raw materials, consumers cannot understand and understand the performance of a new fiber, let alone buy. Textile terminal manufacturers failed to convey the new look and changes of Chinas chemical fiber to the masses, leading to the end consumers diversification of chemical fiber demand is not obvious. The terminal did not have significant positive market feedback, which ultimately led to insufficient innovation momentum in the chemical fiber industry.

201912-11: Superfine fiber

Superfine fiber, also known as superfine denier. (Denier is the unit of fiber denier. One gram of 9000 meters long silk is denier, and the unit of silk denier is 1.1 denier). Because it is thinner than traditional fibers, it is more fluffy and soft to the touch than ordinary fibers, and it can overcome the shortcomings of natural fibers such as creases and rayon impermeable. In addition, it also has many irreplaceable excellent characteristics such as warmth, no mold, no insects, light weight, and waterproof. The types of ultrafine fibers include ultrafine denier viscose yarn, ultrafine denier nylon yarn, ultrafine denier polyester yarn, ultrafine denier polypropylene yarn and so on.

Superfine fiber

201912-11: Several factors affecting the quality of black masterbatch

Plastic black masterbatch is produced using carbon black. We mainly analyze the factors that determine the quality of plastic black mother for you, as follows:

201912-11: Black conditions for pumping granules

Colorants cannot react with resins and various auxiliaries, have strong solvent resistance, low migration, and good heat resistance. That is, masterbatches cannot participate in various chemical reactions. For example, carbon black can control the curing reaction of polyester plastics, so carbon black cannot be added to polyester. The dispersibility and tinting power of the colorant should be good. When the colorant is not uniformly dispersed, it will affect the appearance performance of the product; when the coloring power of the colorant is poor, the amount of colorant will increase, and the material cost will increase. The dispersibility and tinting power of the same colorant in different resins are not the same, so you should pay attention to this when selecting a colorant.