In-mold labeling improves packaging grade and promotes packaging industry development

[ppzhan Abstract] With the development of the packaging industry, the label printing industry is developing rapidly, and new technologies and new products are emerging one after another. As a new member of the label family, the range of applications for in-mold labeling continues to promote and promote the development of the packaging industry. Its advantages will definitely make it the main form of development of the label industry.

Product packaging as the outerwear of the product is the impression that consumers are exposed to the product. This plays a huge role in the eyeball economy and directly affects the consumer's buying mechanism. Therefore, the packaging is now more and more refined. In addition to the exquisite packaging itself, this requires a beautifully matched label.

In recent years, with the development of the domestic market economy, especially the rapid development of food, daily chemicals, pharmaceuticals, electronic products, supermarkets, logistics and other industries, the Chinese label industry has developed by leaps and bounds, and the output value and total volume have achieved rapid growth. In 2012, the total output value of the label printing industry reached 26 billion yuan, and the output reached 3.4 billion square meters, an increase of 13% and 14% respectively compared with 2011. At the same time as the rapid development of China's label industry, some new label technologies have begun to emerge, and in-mold labeling is one of them.

The so-called in-mold label is to directly put the printed image of the trademark label (hot melt adhesive on the back) into the mold area of ​​the plastic molding machine, and combine the label and the container by blow molding or injection molding to form a complete package. container. In-mold labeling has many applications in the field of daily chemicals and condiments. Especially for daily chemical products, in-mold labeling is widely favored by Japanese companies with its protective, functional and decorative trinity functions. For in-mold labeling, it can get a beautiful color pattern on the bottle like screen printing.

In-mold labeling technology has been used in foreign countries for quite some time. The production of in-mold labels and the production and application of in-mold labeling machines have been very mature. In-mold labels are a new type of packaging that is different from traditional label packaging. Label packaging form Traditional label packaging forms mainly include heat shrinkable label packaging, self-adhesive label packaging and direct screen printing label packaging. His appearance has brought a very significant revolution to label packaging. Compared with the traditional label packaging form, the advantages of in-mold labeling, 1, play an anti-counterfeiting role, 2, improve product grade, label color is more vivid, feel smooth, 3, simplify the production process, greatly improve production efficiency, 4, The in-mold labeling products have strong practicability, low loss, no warping and damage, waterproofing, oil proof, acid and alkali resistance, friction resistance, throwing, labeling and products can be recycled at the same time, simplifying the regeneration process and taking into account Environmental protection. At present, more and more cosmetics and detergent manufacturers in China use in-mold labeling plastic bottles to package their own products. For example, Wuhan Sibao Company, Meiyu, Guangzhou Blue Moon and other enterprises are early-use in-mold labeling companies. At present, Sibo has all used in-mold labeling plastic containers. In-mold labeling technology will become more and more widely used in cosmetics, detergents, and daily chemical industries, and is increasingly favored by consumers.

Providing safe, hygienic and durable packaging support for food has become the main reason why food manufacturers have chosen in-mold labeling technology. In-mold labeling packaging technology is a very good label form. Because the in-mold labeling is waterproof, it will not cause deformation, tilting, and labeling. It is very convenient to use, thus avoiding secondary pollution of the product. Traditional self-adhesive labeling increases the risk of contamination of the product due to the increased labeling process. At the same time, in-mold labeling technology can effectively avoid the impact of label damage on sales, so that consumers can use it more securely. Taking ice cream products as an example, since ice cream needs to be refrigerated in a freezer, it is inevitable that the box body is covered with water and frost. The curling and drumming of the self-adhesive label caused by moisture is sometimes caused, and even in severe cases, it may cause The label fell off. These circumstances that impair the appearance of the image affect the choice of consumers to a certain extent, and also affect the normal sales of merchants and production enterprises. Therefore, when the in-mold labeling technology entered the domestic market, it became a package of many ice cream products. Nestlé, Helu Xue, Baxi and other well-known enterprises have adopted this technology.

In the past two years, high value-added products in the dairy industry such as yogurt and cheese have also tended to use in-mold labeling packaging technology. For the performance of in-mold labeling packaging technology, a person in charge of packaging in Bright Dairy said: “The current in-mold labeling packaging technology is mainly used in the bright dairy industry 1911 series of original buttermilk, truthful series of yogurt and cheese. In terms of effect, the product packaging quality is very stable. The in-mold labeling packaging technology will be selected, which is mainly due to the high demand of packaging for consumers today. The packaging determines the grade impression of the product to a certain extent and affects the marketing effect of the product. Compared with other packaging forms, the internal label packaging technology solves the problem that the label is easy to fall and curl, and the packaging is more beautiful, which can greatly enhance the market competitiveness of the product."

Modern packaging has long since surpassed its original role, no longer as a simple container, but an important means of communication. Various effects can be used here. For example, due to its realistic, high-quality image effects, in-mold labeling can really make the product gain attention on the shelf. The red FamilyCircle biscuit box is a new in-mold labeling package produced by WPG Group in its UK factory. Its packaging cover and packaging box are decorated with in-mold labeling technology, and the appetizing and bright biscuit image design is given. It has a high quality look.

In fact, in-mold labeling has been popular in some countries in Europe and America for many years. At present, more than half of the products in developed countries have used in-mold labeling technology. Compared with other types of packaging such as curved screen printing and self-adhesive labels, the color of in-mold label printing is more dazzling, rich in layers and delicate in graphics. After filling, the transportation wear is smaller, the image on the shelf is very beautiful, and the label appears to be printed directly on the bottle, and the overall effect is more harmonious.

Junlebao also valued the brand image brought by in-mold labeling technology. It also chose in-mold labeling packaging technology for the newly introduced pudding products. The person in charge of the packaging of Junlebao Company said: “Because this pudding product belongs to the series of products launched by the company, in order to meet the market positioning of the product, we have adopted the in-mold labeling packaging technology. It turns out that the technology packaging effect is very good. It fully demonstrates the image of the product. At the same time, it can reduce the labeling process in production, and save labor cost to a certain extent." Therefore, if the company launches new products in the next few years, it will consider adopting in-mold labeling packaging technology. .

For the enterprise, the in-mold labeling package gives the packaging more value in addition to its high aesthetics. The person in charge of packaging at Yili said: “Dairy products are rich in nutrients and have high requirements on packaging. Yili’s choice of in-mold labeling packaging technology is based on the excellent physical properties of injection molding containers. In practical applications, The quality of in-mold labeling packaging products is stable, there are few quality problems, and the visual effects are beautiful and conform to the product positioning. In addition, the person in charge also stressed that in addition to the advantages of strong anti-counterfeiting and convenient recycling, the in-mold labeling label is on the label. The additional oxygen-blocking and light-blocking functions have the advantage that other processes cannot match the dairy product packaging.

In-mold label packaging gives the company more than just the texture of the packaging, but more importantly the economics of the packaging. Compared with self-adhesive labels, the label attached to the mold does not require a backing paper, which further reduces the cost of the label material, and the in-mold label material is integrated with the container, and the plastic usage of the container itself can be reduced. At the same time, due to the use of robotic labeling, manual labeling is no longer needed, which reduces the cumbersome labeling procedure, and the labor cost and time cost are effectively controlled. Beijing Hetian Kuan Food Co., Ltd. used the paper label early on the product. Because it can only use manual labeling, the workload is huge. The use of in-mold labeling technology not only solves the labeling process problem, but also greatly reduces the cost. The person in charge of the packaging introduced the use of in-mold labeling technology, which greatly improved the production efficiency by reducing the labeling process. At the same time, the mechanized barrel mold was used to complete the labeling method, avoiding the labeling caused by manual labeling. Not all kinds of problems, such as inaccurate labeling and inaccurate labeling, effectively reduce the scrap rate, avoid waste, and improve product quality.

In addition, in-mold label packaging as a secondary and economical packaging, has a huge advantage in environmental protection: easy to recycle, high reusability. Both the label and the plastic container can be recycled, because the in-mold label packaging label and the container are the same plastic material, so they can be directly recycled after being discarded. Moreover, the fact that this labeling technology no longer requires release paper represents an important step towards sustainable packaging.

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