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Made in China 2025 - New Opportunities for Industrial Adhesives

In the era of rapid development of science and technology, especially in consumer electronics products, higher and higher requirements are put forward for materials, processes, product appearance design, structure and function. Therefore, as one of the indispensable industrial materials in the process of product assembly, industrial adhesives also meet new development opportunities and challenges.

Made-in-China 2025 Plan puts forward and promotes the urgent need for industrial upgrading of manufacturing industry led by consumer electronics, automobile manufacturing, precision machinery and medical devices. This industrial upgrading is a comprehensive upgrading, including product design to process innovation, from quality optimization to market positioning.

In order to meet the needs of industrial upgrading in this new era, save energy and reduce costs, enterprises must constantly:

1. Optimize product design, which includes:

(a) Aesthetic design: for example, the product should be simple and the tone should conform to the trend;

B) Lightweight design: such as ultra-thin consumer electronics products, narrow border;

C) Adding new functions, such as front-end dual cameras, fingerprint recognition, 3D touch, etc.

2. Explore new materials, such as nano-coated materials, memory materials, new engineering plastics, etc.

3. Developing new technologies: OLED display technology in consumer electronics, wireless charging and fast charging technology, fingerprint identification technology from optical technology to silicon technology, and ultrasonic technology.

4. Adoption of new technology: for example, resistance welding and glue instead of solder joints.

Where are the new opportunities for industrial adhesives?

This constant pursuit of new design, new materials and new technology provides unprecedented opportunities for the rapid development of industrial adhesives, i.e. industrial glue industry. Take our well-known mobile phone as an example, we made a rough statistics, a common smartphone, there will probably be more than 160 adhesive. If every mobile phone in the world adds one more main camera, then this change alone will increase the glue consumption by at least 15 tons!

Taking the automobile industry as an example, the rubber consumption of a conventional car around 2000 is about 15 kilograms, and this figure will increase to 40-50 kilograms in 2016. Among them, the automobile's electronic control and intellectualization contribute a lot. The cost of automobile electronic components has increased from 2% in 1970s to over 20% now, including electric heating seat, seat memory function, automatic cruise and so on. At present, the area of FPC used in a car is about 0.8 square meters. All FPCs and PCBs add up to more than 100.

What are the characteristics of industrial adhesives for connection?

Industrial adhesives, i.e. industrial glue, as a way of connection, have the following characteristics:

Light: It is different from the complicated mechanical connection, such as riveting, threaded connection, welding, but the use of resin type bonding, can effectively reduce the weight of the product, so that the design is more concise and practical;

Micro: In areas where mechanical and physical connections can not be reached, industrial glue is fully competent for this challenge. The bonding area can be several square millimeters, and the bonding gap can be micron level. The filling, sealing and protection of narrow gap can be perfectly realized.

Fast: UV ultraviolet bonding, a few seconds, or even one second directly to achieve efficient curing, suitable for a large number of consumer electronic products, while energy consumption is relatively small;

Strength: The internal stress of the bonding process is small, and in most cases it is surface bonding. At the same time, industrial glue provides strong bonding effect through material cohesion and surface bonding force.

Miscellaneous: Metals and metals, plastics and plastics, metals and plastics, can achieve bonding and fastening, but also can use glue to fill, encapsulate, protect, fix and other functions;

What are the particularities of industrial adhesives?

Industrial glue belongs to fine chemical industry, but it is widely used, almost everywhere, and there are many kinds of glue, brand miscellaneous, even a supplier will have hundreds of products. In addition, glue selection needs professional knowledge and background, which involves materials, chemical industry, surface treatment, electrochemistry, structural design, process and many other aspects, which will affect the production efficiency, yield, cost and product function, quality and so on. Moreover, the correct use of glue is closely related to the production process, and it is a multi-disciplinary and cross-cutting task. Finally, there are strict requirements for the transportation and storage of glue.

Because of these particularities of industrial glue, few enterprises can really use it well; moreover, many enterprises have problems in using industrial glue, resulting in project delays, low product yield, low production efficiency, and even affecting the competitiveness and living space of enterprises.

What role does bonding play in modern manufacturing industry?

Mechanical and physical connection is the basic function of glue. Consider from two aspects: on the one hand, it bears the load and transfers the external force; here, the main function of glue is to fix the two parts tightly together, and can transfer the external force from one part to another, such as the blade and core of the electric saw, which is bonded by glue, and transfer the force (torque) in the working process of the electric saw to the blade. In addition, the connection between motor rotor and shaft is the same. Generally speaking, for load-bearing glue, it should have very high bonding strength and good impact resistance, as well as good sizing technology and rapid curing characteristics.

The protective effect is another important role of glue besides its connecting effect. With the improvement of people's living standards, electronic products, especially consumer electronic products, are playing an increasingly indispensable role in our daily life. There are a large number of components in electronic products. They are assembled on PCB or FPCB boards in different ways. With the product design becoming more miniaturized and lightweight, electronic components are becoming more integrated and circuits are becoming more compact, which makes the gap between components and pin foot spacing of devices smaller and smaller. At the same time, these components are often exposed to harsh environments, such as very damp bathrooms or special occasions with a lot of dust, and even people hope to take photos or listen to songs with their mobile phones while swimming. All these changes and requirements make the whole circuit board or most components must be protected from short-circuit, corrosion or extrusion in harsh environments. Glue plays an indispensable role in this protection, such as the three-proof glue and corner bonding glue, and the encapsulation glue of smart cards.

The continuous highly integrated, miniaturized, multi-functional and high-power electronic products make energy consumption/heat management more and more prominent. These highly integrated components not only need to be firmly assembled on the PCB board, but also the heat generated by their work will be quickly dissipated. Sometimes, in order to cool down, an additional radiator will be assembled on the surface of the components. The thermal conductivity of glue can be understood from two different aspects: heat drainage and heat absorption, such as glue bonding radiator should be able to quickly drain heat; and thermal conductive glue protecting NTC temperature sensor should quickly absorb heat and pass it to the chip.

With the extensive and in-depth use of industrial glue in various industries, its functions are becoming more and more diversified, and different industries also have their own characteristics of demand, showing obvious special functions related to industry or product performance. These special functions put forward new requirements for glue. For example, in the optical and optical communication industries, glue is required to have a very low shrinkage rate, good yellowing resistance, a certain transmittance in a specific band to achieve certain indicators, etc. Moreover, some acoustics-related products also hope that the glue has a certain noise reduction and acoustic effect optimization function; and some industries are also eager to have long-term temperature resistance of 150 degrees or 180 degrees of UV glue and so on.

From the above analysis, it can be seen that glue, as the most traditional way of connection, is playing a more and more diversified and multi-functional role in the modern manufacturing industry. This trend has injected infinite vitality and life into the industry of adhesives, and also posed a new challenge.

What kind of development trends and opportunities will industrial adhesives usher in?

Green environmental protection and efficient energy saving have become the main theme of this era, especially the glue industry as a branch of the chemical industry, can not avoid the requirements of green environmental protection!

Various countries and regions have promulgated different laws and regulations, requiring relevant enterprises to produce green, low-emission, solvent-free, halogen-standard products, and even some enterprises have been considering the hope of glue suppliers to provide glue with ultra-low halogen content. Therefore, as a glue supplier, in the future, in the development of new products, we must pay great attention to these laws and regulations, especially if domestic enterprises also want to go out, go international, and pay more attention to the environmental protection requirements of other countries and regions.

Market demand is the best driving force for the development of the industry! The glue industry is the same! Often industry customers have accepted a particular type of glue, but with the further development of technology, they hope that the characteristics of glue in some aspects can be continuously improved, which also brings new opportunities to the glue industry. With the rapid development of electronic manufacturing industry, industrial adhesives play an increasingly diversified and irreplaceable role in this industry, and the continuous progress of technology has put forward a variety of higher requirements for the industry of industrial adhesives, which precisely brings a very good opportunity to the industry.

Glue is a 10 billion-grade market with huge market potential. At present, the high-end market is mainly monopolized by international giants. It is gratifying that a number of domestic glue manufacturers have developed and accumulated experience in recent decades, and their R&D strength has been significantly improved, and they are gradually entering the high-end market.

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