There are many types of adhesives, which can usually be classified as follows:
By source of material
1 natural binder
It is taken from matter in nature. It includes bio-adhesives such as starch, protein, dextrin, animal glue, shellac, skin glue, and rosin; it also includes mineral binders such as asphalt.
2 artificial adhesive
These are artificially manufactured materials, including inorganic binders such as water glass, and organic binders such as synthetic resins and synthetic rubbers.
By usage characteristics
1 water soluble adhesive
A binder which uses water as a solvent mainly includes starch, dextrin, polyvinyl alcohol, carboxymethyl cellulose and the like.
2 hot melt adhesive
It is a solid binder by melting the binder after heating. Generally, thermoplastic resins can be used, such as polyurethane, polystyrene, polyacrylate, ethylene-vinyl acetate copolymer, and the like.
3 solvent-based adhesive
A binder that is insoluble in water and soluble in a solvent. Such as shellac, butyl rubber and so on.
4 emulsion adhesive
It is mostly suspended in water, such as vinyl acetate resin, acrylic resin, chlorinated rubber, and the like.
5 solvent-free liquid adhesive
It is viscous liquid at normal temperature, such as epoxy resin.
The adhesive is the medium between the label material and the bonded substrate and acts as a bond. According to its characteristics, it can be divided into two types: permanent and removable. It is available in a variety of formulations for different facets and different occasions. Adhesives are the most important component in the technology of self-adhesive materials and are the key to label application technology.
By raw material
1 MS modified silane
The modified silane polymer end is methoxysilane. The invention was invented by the Zhongyuan Group in 1978. The company is the only supplier of modified silane raw materials in the world. On this basis, Belgian Novin Technology has undergone continuous research and development and innovation. Produced a range of high quality sealants and adhesives for construction, industrial, automotive transportation, civil use, etc.
2 polyurethane
Polyurethane, collectively known as polyurethane, is a general term for macromolecular compounds containing repeating carbamate groups in the backbone. It is formed by the addition of an organic diisocyanate or a polyisocyanate to a dihydroxy or polyhydroxy compound.
3 silicone
Silicone (Silicones) is commonly known as silicone oil or dimethyl silicone oil. Its molecular formula is: (CH3)3SiO(CH3)2SiOnSi(CH3)3. It is a polymer of organosilicon oxide. It is a series of polydimethylsiloxanes with different molecular weights. The viscosity increases as the molecular weight increases.
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