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Polyurethane adhesives as environmentally friendly materials are developing rapidly |
Public date:2017-2-15 Hits：2809 |
Polyurethane adhesive is an environmentally friendly adhesive, is currently the rapid development of polyurethane resin is an important component, with excellent performance, in many ways have been widely used, is one of the eight synthetic adhesive in one of the important varieties.
China's polyurethane adhesive research and development started in the world 60 years. After the 1980s, China's research on water-based polyurethane adhesive is more active, but compared with the level of foreign water-based polyurethane adhesive series of large-scale industry, is still in the development stage. 90 years, due to the urgent need for imported products, the relevant research institutes and production units to increase development efforts, new products continue to emerge. So far, some foreign varieties of adhesives in China are now basically have.
Although China's polyurethane industry has a considerable scale, but compared with the developed countries there is still a big gap, the main gap is the overall production of polyurethane is not large, in addition, the technical level is still lagging behind some developed countries.
First, the adhesive profile
Composite polyurethane adhesive industry for the sub-industry sub-industry adhesive industry, adhesive refers to the role of adhesion, can make the sticky material together, its wide variety. According to the China Adhesive Industry Association of the classification of adhesive products, mainly divided into the following six categories: pressure-sensitive adhesive (with), polymer emulsion adhesives, rubber adhesives, polyurethane adhesives, hot melt adhesives and engineering adhesives.
Second, the introduction of composite polyurethane adhesive
Adhesive refers to a variety of substances that can bind together by adhesion. Among them, the composite polyurethane adhesive refers specifically to the molecular chain containing urethane (-NHCOO-) or isocyanate groups (-NCO) class of adhesives, mainly for two or more different or the same nature of the film, sheet material sticky To form a new composite adhesive. Principle see below:
Classification and performance
Composite polyurethane adhesive products a wide range of classification methods are different, there are three common classification methods:
① according to the use can be divided into: packaging, leather, textile footwear, printing, transportation, home appliances and electronic products, furniture and building materials, security, new energy composite polyurethane adhesives;
② According to the characteristics can be divided into: ultra-low temperature, foam type, anaerobic, conductive, high temperature, high barrier, anti-aging, anti-medium, anti-slip agent polyurethane adhesive,
③ According to the different chemical principles can be divided into: reactive polyurethane adhesive, non-reactive polyurethane adhesive and other two categories. Due to non-reactive compound polyurethane adhesive environmental protection, safety and other issues, this year its market share has been gradually replaced by reactive polyurethane adhesive.
performance
Reactive composite polyurethane adhesive refers to the composition containing two or more chemically active components, in the use of curing cross-linked composite polyurethane adhesive, in addition to a wide range of applications, the adhesive has the following advantages:
High bonding strength;
Resistant to high and low temperature, can design a wide range;
Health and biological performance is good;
Process adaptability;
Strong resistance to media.
Third, the application of composite polyurethane adhesive
Composite polyurethane adhesive is mainly used in packaging, printing, leather, textile footwear, transportation, home appliances, furniture, building materials, security, new energy, tobacco and so on.
Fourth, the composite polyurethane industry overview
Since the reform and opening up, China's composite polyurethane adhesive industry has been sustained, rapid and stable development, and has formed a certain scale of production, but from the industry point of view, small and medium-sized composite polyurethane adhesive manufacturers are still the industry main body. According to incomplete statistics, China's multi-polyurethane adhesive production enterprises as many as hundreds, most of them are still small and medium enterprises, scattered in 28 provinces and autonomous regions nationwide, annual sales income of more than 50 million yuan and independent technology Less than 10 small enterprises; and most small-scale production technology and management level is low, the output is small, the product grade is low, it is difficult to meet the modern production and the market competition challenge.
② composite polyurethane adhesive as the industry's high-end products, although because of the late start, R & D investment is relatively small and other historical reasons, the domestic production enterprises in a small number of products on the technical level can not compete with international companies, but benefit from domestic new material applications The continuous expansion of the field and the domestic economy 10 years of rapid development, still maintained a strong momentum of development, the past 10 years, rapid growth in production and sales, the average growth rate of 20%.
③ In 2009, the domestic industrial added value increased by 11% compared with 2008 in the environment, when China's application of plastic flexible packaging in the field of composite polyurethane adhesive production reached 215,000 tons, still achieved a high growth rate of 26.5%, while Its sales accounted for only about 1.5% of the total sales of all varieties of adhesive, but sales accounted for more than 8% of total sales of all adhesives in the adhesive industry has an important position.
Fifth, the main development trend of the industry
At present, the development of composite polyurethane adhesive industry presents the following trends
① application areas to expand
Composite polyurethane adhesive as a high-end adhesive, in addition to food, medicine, cosmetic, precision instruments, instruments and electronics and other traditional packaging areas are widely used in the oil printing, household appliances, building materials, transportation, new energy, Protection and other fields have begun to have a wide range of applications.
② industry concentration increased
In recent years, the user of the composite polyurethane adhesive product quality, performance and environmental protection requirements are increasing, the industry's brand awareness continue to strengthen, the market is becoming increasingly fierce competition. Industry as a whole show large-scale, intensive development trend, industry concentration continues to improve; R & D strength, high level of technology enterprises to expand rapidly.
③ professional development
With the increasing demand for domestic composite polyurethane adhesives, the application of continuous innovation, according to customer performance requirements tailored special polyurethane adhesive will become the future development trend of high-end adhesives, which will be composite polyurethane adhesive production enterprises R & D capability and Professional level put forward higher requirements.
④ import substitution trend
In recent years, in some of the composite polyurethane adhesive products, domestic enterprises have made considerable progress in technology, and gradually be able to replace the part of the imported products, and the country to show the giant to compete, while downstream customers from the point of view of their own costs, To replace the demand for imported products, which also stimulated the domestic product development and production.
Six, the industry market competition pattern
China's multi-polyurethane adhesive industry, the number of small enterprises, scattered widely, these enterprises to lower technology requirements of the main products, product profit margins lower, so at the bottom of the industry pyramid, a few master high-end polyurethane adhesive independent knowledge Property rights of domestic enterprises mainly produce high technical content and profit margins of products, in the upper part of the industry pyramid; and international giants with its strong research and development capabilities and brand advantages, through the establishment of joint ventures or production bases in China to reduce production costs The most high-end products on the market share to achieve monopoly, technology research and development occupies a clear competitive advantage, at the top of the pyramid.
Polyurethane adhesive as a high-end products in the industry, due to the enterprise research and development capabilities, technical level, sales channels and other requirements are very high, long long by the German company Henkel, the United States Dow Corning Corporation, the United States and other international companies monopoly monopoly, many domestic industry The required composite polyurethane adhesives are dependent on imported or joint ventures. Since the 90s of last century, domestic enterprises, research institutes and other enterprises and institutions began to enter the field of independent research and development of products, after years of accumulated technology, and gradually in the composite polyurethane adhesive products made independent knowledge development to replace imports As the goal.
Plastic flexible packaging is one of the most important applications of composite polyurethane adhesives, plastic flexible packaging with polyurethane adhesive after years of development, the proportion of composite polyurethane adhesive production and sales has reached more than 50%, with a more mature market. 2009 China's production of plastic flexible packaging with polyurethane adhesive to reach 215,000 tons. At present, the domestic plastic flexible packaging with polyurethane adhesive market formed the following pattern: multinational companies the most high-end product technology vacant, domestic enterprises to improve concentration, focus on segmentation, and constantly expand the high-end market share, the gradual realization of product import substitution. "Plastic composite flexible packaging adhesive market research" a "China Packaging Industry"
Seven, the market capacity analysis
In recent years, China's adhesive industry continued rapid development, production from 2002 to 170.5 million tons in 2010 to 462.8 million tons, sales increased from 16.3 billion yuan in 2002 to 59 billion yuan in 2010. (Source: China Monthly Adhesive Industry Association)
Benefit from the rapid and stable development of the adhesive industry, composite polyurethane adhesives in the past decade has been rapid development, the average annual sales growth rate of up to 20%, is one of the fastest growing adhesive products. Among them, the plastic flexible packaging is the main application of composite polyurethane adhesives, the field of composite polyurethane adhesive composite polyurethane production and sales accounted for more than 50% of the proportion, after years of development, plastic flexible packaging with polyurethane adhesive has become a complete range, high level of technology , The market matures of the important compound polyurethane rubber, in 2009 China's plastic flexible packaging with polyurethane adhesive production is about 215,000 tons, sales of 4.35 billion yuan, respectively, compared with 2008 increased by 26.47%, 21.85%.
Since 2009, China's rapid development of composite polyurethane adhesives, the output of more than 25% annual rate of sustained growth. 2013, 2014, China's composite polyurethane adhesive industry output reached 71.2 million tons, respectively, 858,000 tons, to maintain a good momentum of growth. 2013, 2014, the composite polyurethane adhesive industry sales revenue were 15.55 billion yuan, 19.37 billion yuan.
In recent years, due to the continuous maturity of composite polyurethane adhesive technology, the downstream industry technical standards upgrade, composite polyurethane adhesive gradually into the ink printing, transportation, security and other emerging areas, the future expansion of market capacity will speed up.
In addition to the rapid development of emerging areas in the above, but also in the emerging areas of new applications, in the new energy, household appliances, building materials and other emerging areas to get more in-depth application, a conservative estimate of emerging areas with a composite polyurethane adhesive overall On the next few years will be far more than 20% growth rate.
Eight, industry profit levels and trends
In recent years, due to the sustained and rapid development of China's economy, the continued prosperity of the downstream industry led to the rapid development of composite polyurethane adhesive industry, the industry's overall gross margin level is relatively stable, profitability and production is proportional to, especially for the production of high-performance composite polyurethane adhesive products Advantage of enterprises, in recent years, the profit continued to grow, the higher the level of profit margins, the main reason is:
Composite polyurethane adhesive industry gross margin is higher
Production of high-end traditional areas, the emerging areas of the composite polyurethane adhesive business has a strong market price and cost transfer ability to cope with fluctuations in raw material prices. It is expected that in the future for a long period of time, high-end traditional areas of composite polyurethane adhesive gross margin will be relatively stable, used in emerging areas of composite polyurethane adhesive gross margin will remain relatively high level. Therefore, the polyurethane adhesive industry will have a higher gross margin.
The demand for composite polyurethane adhesive industry is increasing
Composite polyurethane adhesive as a new material, its application is still expanding, especially to adapt to different environmental and performance requirements of high-performance composite polyurethane adhesive has been widely used in ink printing, household appliances, building materials, transportation, new energy , Security and other emerging areas, these emerging areas of the market is huge, and with these areas of technical standards to upgrade, composite polyurethane adhesive products in the future market is huge.
Nine, affecting the development of the industry factors
Favorable factors
① application areas continue to expand
Composite polyurethane adhesive as a new polymer materials, in improving product performance, reduce costs and environmental protection and energy conservation and other aspects of the role of prominent, with the improvement of product quality and stability in recent years, the popularity of market awareness, in-depth, related to the downstream industry technical standards Upgrade, application areas continue to expand.
② industrial policy support
Polyurethane adhesive as a new polymer material, plays an important role in the national economy, by the government departments more and more attention, some policy documents clear the future development of the industry ideas, and included in the country to encourage the development of the industry, for Polyurethane adhesive companies provide a very favorable policy environment.
③ related industry technical standards upgrade
Polyurethane adhesives are widely used in packaging, printing, household appliances, building materials, transportation, new energy, security and other important areas, the relevant areas of technical standards to upgrade the development of composite polyurethane adhesive has brought greater opportunities.
④ protection of intellectual property rights
In recent years, with the laws and regulations on the protection of various types of intellectual property rights have been introduced, the state for the strengthening of intellectual property rights, the ability of independent innovation and intellectual property rights of enterprises in the future rapid development provides a strong guarantee.
Unfavorable factors
① raw material prices fluctuated violently
Composite polyurethane adhesive used in the production of raw materials are petroleum processing products, the international market in recent years, crude oil prices fluctuated, resulting in composite polyurethane adhesive raw material prices also will be a big change.
② R & D requirements are increasing
Polyurethane adhesive industry is a technology-intensive industry, product formulations and research and development capabilities is the enterprise to maintain high profit margins guarantee, with the rapid development of the global fine chemical industry, customer demand is changing, and showing a personalized trend, virtually increased upstream Product development difficulties, companies must always pay attention to product formulation improvement, performance improvement, and expand the application areas to meet the changing needs of the market to consolidate market share.
③ The localization of multinational enterprises intensified
With the rapid development of the composite polyurethane adhesive industry, some domestic enterprises have begun to gradually grasp the independent intellectual property rights wells gradually in some areas to obtain competitive worries; However, some multinational companies realize that the Chinese market has a strong development potential, is the implementation of the global Strategy of the competitive hot spots. In recent years, multinational companies to increase investment in China, making the production and scientific research localization process to speed up and reduce its costs.
Ten, industrial chain
Industry upstream and downstream industry chain
Upstream industry
Composite polyurethane adhesive industry upstream of the basic petrochemical raw materials industry, the main raw materials for diethanol, adipic acid, isophthalic acid and so on.
At present, the industry 95% of the raw materials have been achieved localization, mainly by the Sinopec, PetroChina, China (China) and Yantai Wanhua provide; Overall, the overall polyurethane adhesive raw materials in the overall balance of supply and demand situation.
Downstream industry
Due to the wide range of applications, the composite polyurethane adhesive is downstream and has: packaging, printing leather, textile, footwear, household appliances, electronic products, furniture, building materials, transportation, new energy, safety protection, tobacco and so on.
11, industry-related legal policy
(2005), the Outline of the 11th Five-Year Plan for the Economic and Social Development of the People's Republic of China, the Outline of the National Medium- and Long-term Science and Technology Development Plan (2006-2002), the Foreign Investment Industry (2008), "High-tech Fields Supported by the State" (Guo Ke Fa Huo [2008] 1), the "High-tech Fields" (April 28, 2008) |
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