The English name of the doypack originated from the French company Thimonier. In 1963, Mr. M. Louis Doyen, CEO of the French company Thimonier, successfully applied for the Doypack stand-up bag. Since then, Doypack has become the official name application of the stand-up bag. to date. It was widely recognized in the US market in the 1990s and then popularized around the world.
Doypack are a relatively new form of packaging that has advantages in terms of product upgrades, enhanced shelf visuals, portability, ease of use, freshness and sealability. The doypack is laminated by a multi-layer structure. It can also be made of other materials such as 2 layers and 3 layers. Depending on the product, the oxygen barrier layer can be added as needed to reduce the oxygen permeability and extend the shelf of the product. Life cycle.
First, the scope of application of stand-up pouch
Stand-up pouch packaging is mainly used in clothing, cosmetics, hardware and electronics, juice drinks, sports drinks, bottled drinking water, sippy jelly, condiments and other products.
Second, the classification of stand-up pouches
Up to now, doypack are basically divided into the following five types:
1.Ordinary stand-up pouch:
The self-standing bag of the general form is in the form of four edges and cannot be re-closed and repeatedly opened. This doypack is generally used in the industrial products industry.
2.Stand-up pouch with suction nozzle:
The doypack with the suction nozzle is more convenient for pouring or sucking the contents, and can be re-closed and repeatedly opened, which can be considered as a combination of the stand-up pouch and the ordinary bottle mouth. This stand-up pouch is generally used in daily necessities packaging for liquids, colloids, semi-solid products, etc., such as beverages, shower gels, shampoos, ketchup, cooking oils, and jelly.
3.Stand-up pouch with zipper:
The zippered stand-up pouch can also be resealed and re-opened. This form is not suitable for encapsulating liquids and volatile materials due to the fact that the zipper form is not closed and the closure strength is limited. According to the different ways of edge sealing, it is divided into four sides and three sides. The four sides are that the product packaging has a layer of ordinary edge sealing in addition to the zipper seal at the factory. When using it, the ordinary edge banding must be first torn. The zipper is used to achieve repeated sealing, which solves the disadvantage that the zipper edge strength is small and is not conducive to transportation. The three sides are directly sealed with a zipper as a seal, which is generally used to hold lightweight products. Zippered stand-up pouches are typically used to pack lighter solids such as candies, biscuits, jellies, etc., but four-sided stand-up pouches can also be used to pack heavier products such as rice and cat litter.
4.Imitation mouth type stand-up pouch:
The mouth-like self-standing bag combines the convenience of a doypack with a suction nozzle with the cheapness of an ordinary stand-up pouch. That is, the function of the nozzle is realized by the shape of the bag itself. However, the self-supporting bag of the mouth-like type cannot be repeatedly sealed, and therefore, it is generally applied to the packaging of disposable liquid, colloidal, and semi-solid products such as beverages and jellies.
5.Shaped stand-up pouch:
That is, according to the packaging needs, the new self-supporting bags of various shapes produced by the changes on the basis of the traditional bag type, such as the waist design, the bottom deformation design, the handle design and the like. With the advancement of society and the improvement of people’s aesthetic level and the intensification of competition in various industries, the design and printing of stand-up pouches has become more and more colorful, and its forms of expression have become more and more. The development of special-shaped doypack has gradually replaced the status of traditional stand-up pouches. the trend of.