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How much money putian production PUR adhesive

by:Sinograce Chemical     2020-12-11
Putian putian how much production PUR glue production PUR glue very slightly soluble in water, how much money in a variety of organic solvents. Oily coating adhesive is oily solvent ( Toluene, DMF, butanone, etc. ) As a solvent, dissolve or polyurethane acrylate. Its advantage is good film forming, good color fastness, PU can stick hot glue, is the current commonly used coating glue. Defect is due to the use of the oily solvent, so environmental protection lacking a bit, especially now that oil prices, oil solvent prices soaring all the way, most of the coating glue due to the cost is too high, so use more bad of the oily solvent, leading to environmental protection is not up to standard, in addition with the national environmental standards to further improve, so for environmental requirements of the coating adhesive is higher and higher. Flammable, encounter high fever, has caused the burning flame, strong oxidizer. 1, water-borne polyurethane ( APU) Adhesive APU is water instead of organic solvent as a new type of polyurethane dispersion medium system, also known as polyurethane or water-based polyurethane water dispersion of polyurethane, river systems. Hot melt adhesive is a kind of plastic adhesives, to a certain temperature range with the temperature change and change its physical state, and chemical properties unchanged, its non-toxic tasteless, environmentally friendly chemical products. Is the use of hot melt glue by heating the hot melt adhesive, hot melt adhesive machine melt glue after become a kind of liquid, by hot melt adhesive machine hot melt rubber hose and hot melt glue gun, to be adhesive surfaces, hot melt adhesive cooling after completed the glue. Density of 0. 940g/cm3。 Hot melt butyl sealant in relatively wide temperature range its plasticity and sealing, and the surface cracks, the same hard. Water-based glue process characteristics of a hot melt adhesive, polyurethane hot melt adhesive curing sex and functional hot melt adhesive is two kinds of new product on the market. (1) using water-based glue, in line with the shoe industry, a long-term trend in brands actively, water-based adhesive has been widely used all kinds of shoe factory, water-based glue quality gradually progress and stability; Putian PUR glue production how much is the boiling point l01 ℃. Such as water soluble or decentralized hot melt adhesive, hot melt sealant, hot melt pressure sensitive adhesive and so on. (2) use water-based glue will lead to environmental protection, health, save energy, save cost of equipment and manpower, fire safety, etc; Search the public number: WPU - 88 China adhesive platform 8 main characteristic is that the former improve the hot melt adhesive high temperature resistant characteristics, improve the softening point to more than 120 ℃, so as to expand its use scope; Functional hot melt adhesive is for a particular occasion, can realize specific functions to meet the needs of all aspects. (3) cost: water-based glue consumption is 1/3 of solvent-based glue, if the water 3 times of unit price shall not exceed the solvent adhesive, replace solvent-based adhesive with water-based glue will not increase costs, as oil prices rise, the cost of the solvent adhesive is bigger than water-based glue rise, in the long run, water-based glue process cost lower than that of solvent adhesive process. Putian how much production PUR adhesive acrylate pressure-sensitive adhesive is acrylate, acrylic acid and other functional monomer, by way of solution polymerization or emulsion polymerization, free radical polymerization have been the result. Are countries with a deficiency of timber in our country, in addition to a small amount of high-grade furniture use real wood, furniture mostly usually use fiber board, wood shavings or sawdust plate production, and furniture plate edge parts must use hot melt adhesive to glue sealing side materials, increase the aesthetic feeling, like solid wood furniture. 2. Water-based adhesive is introduced toxic. 2, because of the glue in the glue tank, and air contact area is large, will cause the evaporation of solvent in the glue, which affect the glue viscosity changes, so demands in use process, depending on the situation to join a small amount of thinner, adjust appropriately, the viscosity will be transferred to the coating viscosity; High temperature plastic packaging industry ( 16) The sensor; (2) tape ( Used for postage and shipping label) 。 How much production PUR glue melting point - putian 48. 2℃。 Due to its extremely low water vapor transmittance, it can form a with elastic sealant excellent resistance to moisture system.
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