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Dongying industry compound plastic equipment

by:Sinograce Chemical     2021-03-16
Dongying compound plastic equipment dongying industry compound plastic equipment should be paid attention to if you are unwell seek immediate antifreeze, will destroy the performance under 0 ℃ storage for a long time in 1 - after the product use glue 3 minutes can be repositioned, and maintain a good viscosity PH 7. 0 ~ 9. 0 in use process should be tightly covered at any time, in case the glue liquid crust, do not entry, can not let the child contact ( 3) Pressure sensitive adhesive main body whether polymer crosslinked nCH2CHCOO ( CH2) 3甲基→- ( CH2CHCOO( CH2) 3甲基] N - three group of pressure sensitive adhesive test time is respectively: 21 h, h, 33 h. In addition to the general EVA, TPR, 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. At the same time, the relevant domestic raw materials manufacturers should also recognize the development potential of the hot melt adhesive industry, increase the localization rate of raw materials, reduce the loss of foreign exchange caused by a large number of imported raw materials. ( 2] Hot melt adhesive is short for hot melt adhesive, adhesive industry is an important category of solid content, no solvents, environmental non-toxic, fast curing characteristics, widely used in automatic packaging, hygiene products, labels, tape,, automotive, construction, furniture, printing and binding, footwear, clothing and other industries, usually is refers to the present solid at room temperature, when heated to a certain temperature and melt into sticky liquid, after coating, wetting is sticky material, after pressing, after cooling to room temperature, in a few seconds to complete adhesive bonding. Kind is to use 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. . 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. Mainly used for production, such as shape, shoes, hats. Use the glue of garment not only has a crisp, plentiful full appearance quality, and the nature of the ground after washing, without pressing can wear characteristics. Use the rubber shoes, caps lightsome breathe freely, keep good type, especially for shoemaking industry, also has comfortable, reduce the advantages of shoe smelly. The use of hot melt adhesive technical indicators are as follows: 6 water-based adhesive and solvent-based adhesive glue brush should use different cleaning fluid immersion; Hard monomers such as methyl methacrylate, these homopolymer Tg is higher, can enhance the cohesion strength of pressure sensitive adhesive, with the increase of the hard monomers, the viscosity increase of the pressure sensitive adhesive peel strength increases, the early viscous force will be reduced. Functional monomer is acrylic acid, acrylamide, maleic anhydride monomer, such as they join the introduction of polar groups in the middle of the copolymer, the electronic effect of polar group enhanced the copolymer and the polarity by bonding surface bonding of sex. Appearance: white or light yellow granular or powder. Dongying industry compound plastic equipment chemical performance enhancements: stabilizer, antioxidant, surface modification agent processing. Melting point: 105 115 ℃ : melt index: 18 22g10min( 160℃) ; Dongying industry compound plastic equipment does not contain benzene, benzene, xylene, butyl acetate ester, acetone and other harmful substances, for the green products, can be safely used in food, drugs, alcohol and tobacco, children's toys and other packing materials processing notice if the glue stick on the skin, can clean water and soap. Its advantage is good film forming, good color fastness, pu can stick hot glue, is the current commonly used coating glue.
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