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Dongying fule packaging adhesive complaints

by:Sinograce Chemical     2020-11-17
Dongying fule packaging adhesive complaints dongying fule packing plastic complaints, maintain good health habits and storage is suitable for BOPP, PET aluminum plating film and paper combined with the technical indicators viscosity 15 ~ 40 s and adjust the indicators according to the laminating process, when using, do not add water or other solvents 20 kg, 50 kg buckets used in the product use this kind of pressure sensitive adhesive is natural rubber elastomer early, later gradually extended to all kinds of synthetic rubber, thermoplastic elastomer. 1) water-based glue with water as solvent, drying process, there will be no VOC emissions, thus water-based glue is environmental friendly products; Because do not use organic solvent, and because the range of the cost of crude oil prices rise is much smaller than solvent-based adhesive, relative to the solvent adhesive, water-based adhesive has cost advantage; Drinks with polyester bottle base, cans are available adhesive bonding. (2) the initial force: water-based glue with water as solvent, the adhesive must be in the water fully evaporated, the resin particles together, each other can be reflected, the slower performance in solvent adhesive viscosity, thus early water-based adhesive force are usually more weak than solvent-based adhesive; So the adhesive must meet the above requirements: such as corrugated cardboard, paper bags, cartons, paper tube and paper cups and other kinds of paper production adopts starch, modified starch adhesive, high quality cardboard and paper container are made from polyvinyl acetate thin homopolymerization or copolymerization adhesive and hot melt adhesive. (3) : late because of the small water molecules than solvent-based adhesive, can penetrate into the surface of the material smaller pore, equivalent to cast anchor in the material surface, its late on and solvent adhesive, with some suitable for cast anchor porous materials, such as mesh cloth and EVA, the late strength is better than solvent-based adhesive; The APU adhesive non-toxic pollution-free, high molecular weight so that it can form good performance of the adhesive film, it has good low temperature resistance, good flexibility, adhesive ability and the advantages of wide range of physical properties of the film can be adjusted; Flexible chain, has in its molecular structure shows good impact resistance, fatigue resistance, low temperature resistance, also has the design, the performance of rubber from the flexible and rigid arbitrary adjustable, can meet the demand of adhesion between different materials; Is comparatively mature methods for the preparation of aqueous polyurethane adhesives, mainly has the following several ways: main characteristics: the more common EVA, TPR class except the hot melt adhesive, enterprises should also focus on research and development of the current western has a large number of applications and application potential of some advanced hot melt adhesive products, including: reactive hot melt adhesive, water dispersible hot melt adhesive, high-grade PA hot-melt line colloidal particles as well as the high strength hot melt pressure sensitive adhesive and so on. Three water-based glue suitable shoes material and type of shoes used by elastomer, this kind of pressure sensitive adhesive can be further divided into natural rubber pressure-sensitive adhesive, synthetic rubber pressure-sensitive adhesive, thermoplastic elastomer pressure-sensitive adhesive. Common material in: (1) the bottom of the PU, TPU, rubber, EVA, nylon, leather, artificial leather, you can use water-based glue; Emulsion of acrylate pressure sensitive adhesive with low cost, the use of safe, no pollution, the advantages of short polymerization time, is developing fast since 1980 s of polymer emulsion adhesive. (2) high oil content,> 15%) The outermost layer of skin, prevent water splashing of the processed material and some bounce big hard material, we do not recommend using water-based glue; Dongying fule packaging adhesive solvent cleaning with complaints, the use of a heating element of viscose, never use the fireworks or no temperature control of heating equipment cleaning, general pur moisture reactive polyurethane hot melt adhesive machine can't operate 280 degrees when cleaning and maintenance. ( 2] Melting point: 70 84℃; Viscosity: 45000 75000 ( 180℃) 。 Hydroxyl ethyl acrylate: molecular formula: CH2 = CHCOOCH2CH2OH; CAS no. : 818 - 61 - 1; Properties: colorless liquid. (3) for some sports strength of the body, such as football shoes, also use water-based glue is not recommended. Dongying fule packaging glue to complain because the latter water resistant, resist erosion took condensation of moisture in the air out of the ice house and long-distance transport across the environment even more. Dongying fule packaging adhesive complaints relative density 1. 1098 ( 20/4℃) 。
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