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The difference between the coating of the PE protective film, the water glue and the oil glue
- Jun 15, 2018 -

1. waterborne coating adhesive is emulsified with acrylic acid or polyurethane resin through special emulsifying equipment, using water as solvent. Its greatest advantages are: many varieties, environmental protection, low price, many coatings are water soluble glue, for example, water soluble PA, water-soluble PU and leather adhesive, oil sensitive wax, shaving paste and other functional paste. Water solubility will be the direction of coating in the future due to its functionality, environmental protection and low price. The disadvantage is poor film forming, poor washing fastness, and PU can not stick hot air glue.

2. oil coating adhesive:

Oil coated adhesive is made from oil solvent (toluene, DMF, butanone, etc.) as solvent, acrylic or polyurethane dissolved. Its advantages are good film forming, good fastness, PU can stick hot air glue, is currently widely used coating glue. The disadvantage is because of the use of oil solvent, so the environmental protection is not a little, especially the price of oil is rising, the price of oil solvent is rising all the way. Most of the coating glue is too expensive, so the poor oil solvent is used, which causes the environmental protection to not reach the standard. In addition, with the further improvement of environmental protection standards in various countries. Therefore, the environmental requirements for coating adhesive are getting higher and higher.

3. hot-melt pressure sensitive adhesive

The hot-melt pressure sensitive adhesive is a kind of pressure sensitive adhesive, which is mainly composed of synthetic rubber and resin and rubber oil to melt into a new type of adhesive tape made from the substrate of cotton paper, cloth or plastic film. The low cost is its biggest advantage, the defect is the obvious influence of the viscosity temperature. It is mainly used in all kinds of sealing, sealing, paper packing, beverage bottle label, sealing aluminum foil, soft packing and other packaging; environmental paper pallet, etc., suitable for all kinds of material. Sealed box adhesive for all kinds of light, polishing, press, PP composite and other PET, PP transparent box, film, non-woven products adhesive, cosmetic box packaging, food box packaging, cigarette box packaging, beverage packaging, packaged furniture sealing edge, electronic industry, car interior seal, car lamp making, windshield assembly etc.), non-woven fabric hygiene Towel, diaper, diaper, insole, disposable daily necessities, coated compound trademark paper, label double-sided tape, mouse board, sticky fly paper, wood floor, carpet over glue, band stick, medical breathable tape, color box packaging, carton packing glue, back adhesive buckle belt and other refractory materials have strong adhesive force; thermal stability is good, no Impurities, good operability, excellent weather resistance, aluminum foil sealing hot melt adhesive unique water and waterproof characteristics. Hot melt pressure sensitive adhesive is a kind of plastic adhesive. In a certain temperature range, the physical state of the adhesive is changed with the temperature change, and the chemical properties are constant, and it is nontoxic and tasteless. It is an environmentally friendly chemical product.