Plastics are an indispensable material in many applications. And all kinds of factors are driving us to the road of circular economy. Considering these options for improving resource utilization from a macroeconomic perspective, a series of individual steps must be coordinated. These steps include collecting plastic waste as well as sorting, cleaning and particle treatment or modification. The transition from a linear economy to a circular economy will have the following effects on the plastics industry:
On the one hand, new plastics must meet the requirements for recyclability, and on the other hand the production process must meet the requirements of these materials. In addition, the treatment of recycled pellets with increasing proportions in the production process must be strengthened. The final point is that the newly designed plastic products must take into account the a€?recyclabilitya€? design elements in order to efficiently complete the material flow. To meet these design requirements, laboratories must have equipment in place to facilitate research in the area of a€?a€?recyclability.
The quality of the recovered particles is getting closer and closer to the primary particles. After recycling, the plastic product can no longer remain in a non-polluting state, so it must be cleaned. Residual dirt, dust and other impurities must be used with more efficient filtration to achieve higher quality. As quality requirements continue to increase, we need quality monitoring and analysis equipment to record and grade the quality levels of the pellets. We now use these systems to monitor the tandem performance of the extruder degasser or system for purposeful MFR control using a connected MFR tester and an additional metering device. Personalized plastic products in specific applications in the plastics industry. Innovative engineers in the future will work hard to develop new and efficient products that will stand out in a variety of plastic products.
Hydroxypropyl Methylcellulose is white or white powder, and in cold water is dissolved into clarified or cloudy colloidal solution. Aqueous solution has surface activity, high transparency and stable performance. HPMC has the properties of hot gels. The product water solution is heated and the gel is dissolved, then dissolved and the gel temperature of different specifications is different. The solubility changes with the viscosity, the lower the viscosity, the greater the solubility, and the different specifications of HPMC have certain differences
The hydroxypropyl methylcellulose can be used as the water protection agent and retarder of cement mortar, so that the mortar can be pumped.
In the mortar, gypsum, putty powder or other building materials as adhesives, improve the application and prolong the operation time.
Use as paste ceramic tile, marble, plastic adornment, paste enhancement agent, still can reduce cement dosage.
The water retention performance of HPMC will prevent the slurry from cracking after the application and strengthen the strength after hardening.
The molecular formula of hydroxypropyl methylcellulose is shown below
Hydroxypropyl Methyl Cellulose has high viscosity, medium viscosity, low viscosity, and has a viscosity of 50000, 100000,150000, 200000.
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