Solventless lamination technology is an environmentally-friendly composite technology that has developed rapidly in recent years. It has the advantages of no solvent residues which has no pollution to the atmospheric environment, significantly reducing energy consumption, fast machine speed, etc. In the solvent-free lamination process, tension control is extremely important and must be very accurate. Tension control mainly includes the control for unwinding tension, film tension, auxiliary unwinding tension, winding tension, and winding taper.
The Application Of Tension Control In Solventless Lamination Machine
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The products in the packaging and printing industry are inseparable from the use of organic solvents, which brings many emissions of VOCs. Solventless lamination technology adopts a solvent-free adhesive instead of solvent-based adhesive, which can avoid VOCs emissions from the source.
What Is Solventless Lamination Technology
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With the increasing cost of organic solvents and the increasing environmental protection requirements, organic solvent emissions are increasingly strict restrictions. Solventless lamination machine has advantages of health, safety, environmental protection, low cost and flexible packaging manufacturers will adopt solvent-free lamination technology instead of traditional solvent laminate technology for expanding laminating production capacity.
Why Choose Solventless Lamination Machine
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When the composite packaging film is produced, the composite method can be divided into extrusion composite, dry composite, wet composite, solventless composite. The most used methods are dry composite and solvent-free composite. What are the differences between the dry composite and solvent-free composite, and can be used for which type of packaging respectively?
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In recent years, with the increasing environmental protection awareness, solvent-free laminating adhesives are more widely used in the flexible packaging industry. This article will introduce the advantages, problems and development trends of solventless adhesives..
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Solventless adhesive adopts a solvent-free adhesive composite film to reduce energy consumption and comprehensive production costs, improving productivity and quality.
The solvent-free adhesive is a viscous material and two separate materials are connected together by means of its viscosity, a viscous liquid shape at normal temperatures, such as an epoxy resin. It is one of the most important auxiliary materials. Due to the solvent-free, it is beneficial to protecting the environment and cleaning products, is extremely widely applied in the flexible packaging industry.
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The solventless machine is widely used for flexible packaging industry with good performance, green environmentally friendly, low energy consumption, no residual solvent and high precise coating.
Now Sinstar has several series of solventless laminating machines, including the series of WRJSi9, WRJi9, WRJFi9, SIL90, WRJSLi5, C180, E280, S380. Compared with the single station solventless laminating machine, the double station type mainly has the following advantages.
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The solventless machine adopts a method that can composite two or more substrates by using solvent-free adhesives. The solventless laminating machine has a wide application with the advantages of environmental, hygiene, and high efficiency, especially used for the packaging industry of the food and the drug.
Development Of Solventless Laminating Machine
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In the flexible packaging color printing composite industry, the solvent-free adhesive will be the direction of future development, affecting the development trend of the flexible packaging industry. As the enhanced awareness for environmental protection and the importance for the safety of food packaging, how to reduce costs and improve competitive advantage, producing the commodities conforming to the hygienic requirements for food packaging, is the problem of most food manufacturer concerning. The promotion of solventless adhesive in the market is in line with this trend. In Europe, the solvent-free adhesive has a share of 40% in the flexible packaging composite adhesive market.
High-temperature resistant solvent-free adhesive
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Environmentally friendly, High efficiency will be the main trend of future packaging industries. In terms of composite adhesives, solvent-free adhesives will replace traditional solvent-based adhesives, which has become a consensus of the packaging industry. The solvent-free adhesive is more widely used in the flexible packaging industry.
What Are Solvent-free Adhesives
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Solventless laminator adopts green environment-protection technology. It has occupied a high market share in Europe and the United States, accounting for 80% to 90% of the composite machine. It can ensure the non-pollution of the composite packaging of food & drugs, increasingly applied to the composite film packaging industry and the flexible packaging industry.
Solventless laminator has many advantages such as reducing cost, improve product quality, environmental protection, safety and stability production, which has a high production practical value.
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Solvent-free composite has a wide range of applications. With the advantages of environmentally friendly, hygiene, high efficiency, the solventless laminator is especially applied for the flexible packaging industry.
Solventless lamination is a method for the composite of two or more substrates using a solvent-free adhesive. The solventless laminator is the equipment which can be applied for a solvent-free adhesive composite. Composite substrates mainly include BOPP, PET, NYLON, CPP, PE, VMPET, VMCPP, PVC, aluminum foil, paper, etc.
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