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当前位置:首页 > 杂志 > 2017年7月杂志——提倡绿色经济,从磁性标识图形入手



The point-of-purchase (POP) graphics printing sector might not traditionally be known for its sustainability or ‘eco-friendliness.’ Given the nature of POP displays, after all, the graphics need to be changed out often, to keep up with the latest product and service offerings, sales, promotions and trends. As a result, graphics quickly serve their purpose, become outdated and are discarded.


With today’s ‘go green’ mentality, however, traditional signmaking methods are no longer in sync with the demands of many of their major customers—ranging from retailers to government departments—who are concerned with reducing waste going to landfills. In Toronto, for example, the municipal government is encouraging a ‘green economy’ through a combination of local bylaws and programs designed to help businesses transition into more sustainable practices.


In this respect, the wide-format graphics sector’s practices need to be re-evaluated to reduce environmental impact. One answer is to turn to magnetic-receptive technology, which better supports retail outlets’ changeable in-store campaign graphics through ease of use and reduction of waste.

在完善这一方案的过程中,标识制作商需要对整个制作过程进行重新评估,以减少对环境的影响。他们评估得出的结果是—— 要从磁性标识图形入手,来响应“绿色经济”的号召。使用磁性技术来制作标识不仅易于安装和卸载,还能减少材料和成本的浪费,来支持零售商店进行店内活动,随时可更换图形。

Sticking to it


A magnetic-receptive material is one that, like steel or iron, will ‘stick’ to a magnet. The concept behind magnetic-receptive graphics is to coat a thin, flexible, printable film with micro-iron particles on the rear surface, such that the substrate will then be attracted to a magnetic system.


The film can be printed with digital or analogue processes and devices, depending on the coating on its front surface. No special knowledge is required on the part of the graphics printing professional.


Once printed, the film is applied to a thin, flexible magnetic sheet. These are available in rolls or as single sheets in widths up to 0.6 m (2 ft). Some come with an adhesive on their rear surface, making them easy to apply to store fixtures or frames. Others are double-sided, such that one side is applied to a metal frame or stuck to magnetic-receptive paint on a wall, while the side facing away from the wall or fixture then supports the graphic.


The magnetic-receptive paint ‘activates’ the wall surface, as it contains micro-iron particles similar to the rear surface of the printed media. This is what allows the magnetic sheet to stick to the wall.


Some magnetic systems also offer built-in ‘locking,’ such that when two magnetic components are joined, they align themselves perfectly to each other and lock into place. This allows the layering of dimensional graphic fixtures atop magnetic-receptive bases, including those with images, to create eye-catching three-dimensional (3-D) results.


Reducing waste


Typically, wide-format graphics printed onto a polyvinyl chloride (PVC) substrate cannot be reused or recycled. Once they are outdated, the retailer must remove and then discard all of the materials before starting the process all over again, ordering completely new graphics. This is an expensive and wasteful practice.


With magnetic-receptive materials, waste is reduced because the graphics are more easily installed and removed, but also layered, allowing POP displays to be updated without having to replace frames, fasteners and/or adhesives.


Additionally, most of the media can be recycled through a complete ‘end-of-life’ process, which may involve returning materials to the manufacturer. Some magnetic-receptive graphics systems are made up of 100 per cent recyclable products, including PVC-free base materials, and media formulated with 20 to 50 per cent post-consumer products.


So, future updates do not mean retired graphics must be sent to a landfill. Instead, magnetic-receptive media can typically yield an energy source—i.e. it is used for electricity production—and new steel production, due to the high iron content of the coating.


The energy-from-waste process involves shredding the material and feeding it into a system with multiple boilers. The steam produced by the boilers is used to power a turbine that generates electricity.


Meanwhile, prior to the waste being fed through the boilers, the process also involves the recovery of ferrous material. Any that is missed during this front-end extraction is later separated from the boilers’ ash byproduct.


For every 0.9 t (1 ton) of retired graphics processed, nearly the same quantity of greenhouse gases (GHGs) is avoided that would otherwise have been emitted during new steel production. And for every 1.2 t (1.3 tons) of ferrous metals extracted from the magnetic-receptive materials, a new hybrid car can be produced.


Additional benefits


As suggested earlier, beyond creating more sustainable graphic displays, magnetic-receptive media also offer other advantages over traditional print media, such as rigid boards, adhesive-backed PVC or even a direct-print magnetic substrate.


For one thing, magnetic-receptive media are designed for ease of installation, repositioning, removal and change-out. Rolling the thin, wrinkle-free film onto the desired surface takes only a few seconds and requires no specific installation expertise. Any in-store personnel can handle it, with no resulting flaws.


Also, once magnetic fixtures are installed in-store, roll-based magnetic-receptive graphics will drastically reduce the retailer’s signage shipping costs—in some cases, by more than 50 per cent—and eliminate the hassle of incidental damages during transportation.


Indeed, magnets designed for direct printing are typically thick and tend to limit graphic size and quality. Magnetic-receptive media will not only be less likely to suffer dings or corner damage during shipping and installation, but will also offer optimized surfaces for photo-quality graphics, similar to other common printable substrates.


As for the aforementioned dimensional capabilities, magnetic-receptive graphics can be overlaid in as many as three tiers. Event-based special notices can be applied to a base graphic, along with die-cut overlays or even 3-D fixtures, allowing various elements to be changed based on different seasons and promotional campaigns. The graphics can be layered onto flat and curved surfaces alike.


Finally, the more frequently the images are changed, the greater the savings, giving retailers the option to put these savings toward new graphics. In fact, magnetic-receptive media can save 30 per cent or more in terms of total cost of ownership (TCO) compared to board- or PVC-based graphic installations. And while printing direct-to-board has cost-efficiency advantages over printing graphics first and then mounting them to a board,after delivery, difficult and time-consuming to install in the store, let alone prone to warping and edge damage.


“We’ve seen a great amount of interest in magnetic-receptive systems from sign shops and retailers in Canada,” says Marc Huot, regional manager for Drytac Canada, which manufactures and distributes mounting adhesives, laminating films, coatings and finishing equipment, including liquid laminators. “This innovative technology not only allows for graphics that are considerably more environmentally friendly than traditional signage options, but also offers impressive savings in terms of cost and ease of installation and change-out. It is really a winning option all around, from the perspective of the print professional and the retailer.”

Drytac公司在加拿大分公司的经理Marc Huot说:“我们已经看到加拿大标识商店和零售商对磁性接收材料的兴趣了。为响应社会提倡“绿色经济”的号召,Drytac公司制造了环保型胶粘剂、层压膜、涂料和设备,设备包括液体层压机等。这些创新技术不仅可以使磁性标识图形比传统标牌选项更环保,而且还可以节省成本,轻松地进行安装和更换,从标识专业人士和零售商的角度来看,这是一个绝佳的选择。”