Poor elementary school students make foaming glue as follows:
1, first add glue or white glue, then add all the materials that can make bubbles at home, such as detergent, body wash, shampoo, toothpaste, foam hand soap, shaving bubbles, etc., at least two of them are needed, and also add the most important laundry detergent.
2. After adding these ingredients, start stirring and then add some face wash into it.
3. After mixing and molding, it will feel very fluffy and delicate.
4, then, the foaming gel pulling and kneading some, let it more expansion, and then finally into the cup can be.
Glue is an intermediate connecting the two materials, mostly appearing in water, belonging to the fine chemical class, a wide variety of types, mainly to the sticky material, physical form, hardening method and the material to be adhered to the classification.
Common instant glue (common-1203 instant adhesive - ethyl cyanoacrylate strong instant adhesive is a), epoxy resin bonding class, anaerobic glue, UV glue (ultraviolet light curing class), hot melt adhesive, pressure-sensitive adhesive, latex and so on.
Glue is able to bond two objects of the substance. Glue is not independent, it must be coated between two objects to play the role of bonding. The chemical composition of the glue, in a water-based environment. Glue in the polymer body (white glue in the vinyl acetate is a petroleum derivative) are round particles, the general radius of the particles is between 0.5 ~ 5μm.
The bonding of the object is realized by the tension between the polymers in the glue. In the glue, water is the carrier of the polymer body, water carrying polymer body slowly immersed in the organization of the object. When the water in the glue disappears, the polymers in the glue rely on each other's tensile force to bind the two objects tightly together.
In the use of glue, too much glue will make the glue in the polymer body crowded with each other, the polymer body can not produce a good tension. At the same time, the water between the polymer body is not easy to evaporate. This is why in the bonding process, "the thicker the film, the worse the bonding effect of the glue".
The amount of glue is too much, the glue is big to play a "filling role" rather than the role of bonding, the bonding between the object is not the bonding force of the glue, but the glue "cohesion". If it is not water-soluble, in fact, the principle is similar, is to replace the water with other solvents.