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What is the Effect of Glue Dripping in Maintenance Diapers?

The production process of maintenance diapers is a complex combination process, which is composed of many materials, such as surface non-woven fabric, water absorbent core, PE composite bottom film, magic buckle and front waist paste, anti side leakage non-woven fabric, rubber band and so on. The combination of the above materials is bonded by hot-melt adhesive, which is the production process of all maintenance diapers at present. It can be seen that the normal production process of diapers will have the existence of "hot melt adhesive".

As mothers, we sometimes find some yellow colloids on the back or surface of the baby's maintenance diapers. When we are less experienced, we seem to think it's strange. It's called glue dropping in the industry.

 

How did the glue drop on the maintenance diapers come from?

In the process of using hot melt glue, we need to use glue machine equipment. There are two glue application methods, one is glue spraying and the other is glue scraping. These two methods use spray gun and scraping gun. The spray gun uses several spiral holes to blow out the gas at a set air pressure, then hits the glue pressed out of the glue outlet hole in the middle of the air hole into a spiral shape and sprays it on the surface of the material to be compounded, and then passes through a series of pressure rollers, Firmly compound the materials together. Some brands of diapers often complain to customers that there are some yellow colloids on the back or surface of the product, which is called glue dropping in the industry.

Can glue dripping on maintenance diapers be avoided?

The formation of glue dropping is because these spiral holes are blocked in the production process. After the glue is pressed out from the pipe, it will not be affected by the spiral gas, and the glue condensed into blocks within a certain time will drip on the product. In fact, this probability is very small, which can be calculated by the probability of ten thousandths or even tens of millions. However, because the glue just drops on the product is white, it can not form an effective color difference with the product surface, so the advanced stain visual inspection system used in some large factories can not be eliminated 100%. Therefore, with the current technical level in the industry, it is impossible to avoid its formation.

In the production process, hot melt adhesive may also have new odor sources. The purpose of reducing odor can be achieved through production process control. In the logistics and transportation of hot melt adhesive, it may also be stained with new smell. But generally speaking, the slight smell contained in the hot melt adhesive itself is non-toxic.

  1. Is the glue dripping on the maintenance diapers harmful to the baby?

Will dropping glue cause harm to human body? It can be seen from the first point above that hot melt adhesive is non-toxic and tasteless. It is an environmental friendly chemical product, and its physical state changes with the change of temperature. Therefore, when hot melt adhesive is used in diaper production, the glue drop formed is a production defect and belongs to the after-sales scope of the product, but it will not cause any harm to human body. So you can use it with confidence.

The newly produced diapers will have a "kerosene smell", which is the smell of hot-melt glue grade antibiotics in the production process. According to the industry, the more new they leave the factory, the more likely they are to have this smell. The circulation of e-commerce is relatively fast. Unlike physical stores, what you buy is placed for a while, so it's easier to have this situation. These smells are harmless to babies. Open the package, take out the diaper and place it for about a day. The taste will soon disperse.

It's not difficult to cover the taste. You can use flavored additives. From another point of view, at least the manufacturer did not arbitrarily use potentially harmful additives, but retained this harmless smell of kerosene. So treasure mothers don't have to worry. However, if you want to buy maintenance diapers for your baby, you'd better buy big brands with guaranteed quality and comfortable use.

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