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The Development Dilemma Of Domestic Wood Plastic Composite Materials

Wood plastic composite material is a new type of composite material that has emerged in recent years at home and abroad. It uses polyethylene, polypropylene and polyvinyl chloride to replace the usual resin adhesive, and more than 50% of wood flour, rice husk, straw and other waste plant fibers are mixed into new wood materials, and then subjected to plastic processing techniques such as extrusion, molding, injection molding, etc., to produce plates or profiles, which have the advantages of easy processing, high strength, water release and anticorrosion, and a wide range of materials.

After 20 years of continuous exploration, the wood plastic composite material industry has achieved rapid development, and wood plastic has gradually developed into the best alternative to solid wood. However, due to technical and process problems, wood plastic composite materials and related products have always been difficult to promote and apply, and related companies are generally confused in the development process. As a result, wood plastic composite materials have not been effectively industrialized and commercialized, and the industry of wood plastic composite materials is facing many development difficulties.So let's take a look at the development dilemma of domestic wood plastic composite materials.

At present, the core technology and professional equipment of my country's new material industry are relatively backward, lack of technical standards, and low thresholds, leading to chaos in the industry, overcapacity of low-end varieties, and insufficient security of key materials (self-sufficiency rate is only 14%). Insufficient cooperation, incomplete standards, measurement and management systems, these problems have been concentrated in the wood plastic composite industry, and there is an urgent need for effective solutions.

In recent years, the global deforestation of forest resources has aroused widespread concern, and the call for protecting forest resources and seeking new wood substitutes has become increasingly louder. At the same time, discarded plastic waste and waste wood have also become prominent problems that cause headaches for all countries. The traditional new wood substitute wood, anti-corrosion wood, heavy bamboo wood and other materials have inherent disadvantages. The short lifespan and easy water absorption, rot, mold and other problems have become consumables for many outdoor projects and scenic spots. It will be carried out in two or three years. Refurbishment and maintenance.

In this context, the emergence of wood plastic composite materials is really exciting. It inherits the dual advantages of plastics and plant fibers. It is not only waterproof, moisture-proof, mildew-proof, and termite-proof, but also has a long life, zero formaldehyde, and no pollution, recyclable and other characteristics. In addition, wood plastic composite materials also have good plasticity, which can be customized in a variety of styles. In addition, the characteristics of non-cracking, non-expansion, and non-deformation save the cost of later maintenance and maintenance, making it naturally ideal The new wood substitute wood is widely regarded as a sunrise industry with broad prospects.

In my country, with the continuous entry of social and private capital, wood plastic composite materials have developed rapidly in a short period of time. By 2005, my country had become the fastest growing country in the world's wood plastic composite material industry. Occupy 25% of the global market share. However, due to the immature processing technology, wood plastic composite products have always had many shortcomings and defects. At the same time, after some profit-seeking small and medium-sized enterprises entered the wood plastic composite material industry, they did not focus on technology research and development and quality building. Instead, they misled the market with the concept of various ecological wood and healthy wood, which led to some users after the completion of wood plastic projects. The reputation is extremely poor, and these practical problems have seriously affected the healthy and orderly development of the wood plastic composite industry.

Many investors come to inspect wood plastic composite materials companies, and they dare not invest when they see that the scale is small, the standards are incomplete, and the brand is not well-known. The disconnection between production and application is another major problem faced by the wood plastic composite industry. At present, there are more than 2,000 companies in the entire wood plastic composite material industry, but few have real brand influence, and there are not many companies above the designated size. There are generally small, scattered, chaotic, and low-level phenomena in the industry.

Another industry insider said that on the one hand, there is still a big gap between my country’s new materials and foreign new materials. A large number of high-end new materials are heavily dependent on imports and are monopolized by large multinational companies. At the same time, my country’s industrial scale, technical equipment, and innovation There is still a gap in capacity and development technology; on the other hand, only about 10% of my country’s new materials industry is at the international leading level, 60% to 70% of the fields are catching up, and 20% to 30% of the fields are internationally advanced. There is a considerable gap in level.

Regarding the development dilemma of domestic wood plastic composite materials, what I want to say is the urgent need to closely integrate with production, education and research to improve product quality and quality, so as to provide protection for product premiums.

Seven Trust

Seven Trust, Author

China's leading wood-plastic manufacturer and supplier. Design inspiration and products - to provide customers with perfect outdoor landscape solutions.

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