Application of High-tech Paste Automatic Control System
(a) The high-tech patented paste automatic control system of SERCO in the Netherlands is a revolutionary technology for paste production and use. This system is not just a problem that will be manually changed to automatic control, but a pulp system and pulping method that are fundamentally different from the traditional ones in the production and use of pastes. The reason why the SERCO paste control system in the Netherlands is welcomed by users of carton plants around the world is that the system really solves the problem of the production and use of paste in the production of corrugated paperboards, and it is targeted to the degumming, cracking and warping phenomenon of cardboard. Once cracked, waste paperboard was greatly reduced, and the average speed was increased by 15%. The consumption of starch is reduced by 20%. In addition, the waste of paste is also reduced to zero. The more important point is that from the actual use of the customer, all of these effects were achieved without increasing operating costs and relying on additives. The reduction of waste paperboard, the reduction of production and operating costs, the increase in the speed of corrugating machines, the increase in the output of paperboard, the improvement in the quality of printed boards due to the improvement of the paperboard warp, the improvement of printing speed, and the increase in the speed of die-cutting and slot-making, These are all tangible benefits that users of SERCO Paste Systems have obtained.
The Dutch SERCO Paste Control System has researched and developed a number of technical patents on the manufacture and use of traditional corrugating machine pastes. Using only ordinary starch, whether it is corn flour or tapioca, the system can control the paste viscosity error within plus or minus 2 seconds. Most prominently, the joint efforts of Ringwood and SERCO in the United States challenged the old methods of paste that traditionally used the same kind of paste to cope with different applications on a corrugating machine. In a corrugating machine, pastes of different properties are applied depending on the temperature and the heating condition of the pulp spot. The viscosity, gelation temperature, and dry particle ratio of the pastes at the different application sites are all made with different formulations depending on actual conditions. In addition, the use of advanced control technology, the nature of the paste can also be based on starch changes, paper changes for the corresponding changes. It is not always easy to control various pastes under various conditions, but SERCO's advanced control technology in the Netherlands has made this very simple, avoiding possible human misuse and making the paste production process. It becomes reliable and simple, that is, saves a lot of operating costs and extremely effectively improves the quality and yield of corrugated cardboard.
(b) Serco Ringwood's corrugated paste control system is internationally popular. Despite shortly citing the Chinese market, it has also settled in carton factories in many areas in China and has been praised and praised by users.
Using paste automatic control system, essentially solving the problem of production and use of paste in corrugated board production. The waste paperboard was greatly reduced, the average speed was increased by 15%, and the powder consumption was reduced by 20%. The paste viscosity error is controlled within ±2 seconds, and the paste is degenerated to waste zero. For this reason, using a computer management system to save on the use of raw materials, control of the amount of paste, and control of temperature, etc., the investment is not large, but the saved funds are at least 3-5% more than manual operations.
Application of Nanotechnology in Adhesives
Adhesives and sealants are important products in the packaging field. They are important products that consume large quantities and are widely used, and require optimal conditions for viscosity, fluidity, and curing speed. At present, domestic high-grade sealants and adhesives rely on imports.
1, foreign countries have added nano-SiO2 as an additive to the adhesive and sealant, so that the adhesive results of the adhesive and sealant sealability are greatly improved, and its mechanism of action is a layer of nano-SiO2 surface coating Organic materials, so that it has a hydrophilic, will quickly add a sealant in the formation of a silica structure, that is, nano-SiO2 form a network structure, inhibit the colloid flow back faster. Improve the bonding effect, in addition, due to the small size of the particles, it also increases the sealing performance of the glue.
2, nano-adhesive Because of the addition of 50 ~ 70nm rubber particles in the resin, not only improve the sealing strength, shear strength and other physical and chemical indicators such as heat aging, but also greatly expand its application areas, known as 21 Century "universal adhesive" is also a great achievement of sealing technology. Many composite materials with excellent properties lay the foundation for nano packaging.
3. Chinese scientists and technicians add ALO2 nanoparticles when preparing AL alloys. As a result, the crystals are greatly refined, and the strength and toughness are improved. The lubricating effect of inorganic nanoparticles can greatly reduce the cost and noise generated when electrical equipment is running. Can extend its life.
4. Fumed silica is mainly used for thickening, thixotropy and controlling fluidity in adhesives and sealants. It can also be used as a thixotropic agent in non-silicon compounds such as epoxy adhesives and sealants. In recent years, demand in this area has been increasing year by year.
5, China's current ultra-fine heavy calcium carbonate in the amount of adhesive is very small, mainly due to: First, the fine calcium carbonate and surface activity can not meet the requirements; Second, the level of application of adhesive in China's adhesive far less than European and American countries . According to the experience of Europe and the United States, with the improvement of the application level of inorganic fillers in adhesives and sealants and the improvement of the quality of heavy calcium carbonate products, heavy calcium carbonate will have a good application prospect in adhesives and sealants.
6, epoxy nano-adhesive adhesive
Adding quantitative fillers in epoxy resins, such as calcium oxide, fly ash, etc., can greatly improve the adhesive coating strength and wear resistance. Nanoparticles are used as fillers, and many nano-epoxy-matrix composites have been studied from the literature. However, nano-fillers were added to the epoxy resin adhesives to obtain nano-adhesives. The effects of different nano-fillers on the adhesive performance were not reported. To this end, the effect of nano-SiO2 and nano-organic montmorillonite fillers on the strength and wear resistance of epoxy resin adhesives was studied to provide basic data for engineering applications.
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Carton glue adhesive new technology new product examples:
Normal > Water-based glue box adhesive glue
Normal > Ø         Product Name: SUN-318 water - based glue box adhesive glue
Normal > Ø         Manufacturer: Changsha Xinrui Packing Material Co., Ltd.
Normal > Ø         The biggest advantage and breakthrough: SUN-318 water - based glue stick glue box adhesive is a copolymer of acrylic resin and other special functional monomers, the copolymer has good stability and permeability, can penetrate the surface of the adherend very quickly The tiny groove marks or pores go through and form a mechanical interlocking force after curing, so this product is not only for water-based glossy surface and paper surface, oily glossy surface and paper surface, UV glossy surface and paper surface, even various types There is a strong bond between the glossy surface and the glossy surface. This product solves the problems of glossy surface, especially difficult to stick on UV surface.
Normal > Ø         Technical indicators
Normal style="MARGIN: 0cm 0cm 0pt; TEXT-INDENT: 21pt; LINE-HEIGHT: 150%; mso-char-indent-count: 2.0; mso-char-indent-si
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