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How do you use the jiujiang industry compound rubber

by:Sinograce Chemical     2021-03-05
Jiujiang industry how to use compound plastic jiujiang composite adhesive industry how to use if you are unwell seek immediate extrusion aluminum plating film adhesive editor green products can be safely used in food, drugs, alcohol and tobacco, children's toys packaging processing solids 50 + / - 2% ( 105℃±1. 5℃/ 3 h) The machine stability qualified ( 3000 r/min, the centrifugal 10 min without precipitation or layered) In use process should be tightly covered at any time, in case the glue liquid crust, do not entry, can not let children please don't contact with other products mix, not finished product should be kept sealed. ( 1) In the structure of polyurethane resin part introduce hydrophilic group, the emulsification. 1, must pay attention to when using product evenly coated in the glued surfaces, glued surfaces must be dry, clean, without oily coating construction can proceed, it will affect the normal adhesion; Structural adhesive is a high strength ( -> compression strength 65 mpa, steel Steel is the adhesive strength> 30 mpa, shear strength> 18 mpa) , can bear larger load and ageing resistance, fatigue resistance, corrosion resistance, stable performance in life expectancy, applicable to withstand strong structural adhesive bonding. ( 2) Acetone method: first made high viscosity polymer, plus acetone viscosity reduction, with a hydrophilic monomer, chain extender, join the water under the high speed stirring, through strong shearing action to disperse in water, emulsion after vacuum distillation recycling solvent is made of PU water dispersion system. Due to natural rubber easy ageing, attach is usually the body surface and internal secretion of human body fat and other dissolved by a pressure sensitive adhesive penetration, cause skin allergy and stick to the inside the human body the phenomenon such as relay decline; And a new type of pressure sensitive adhesive has good performance, and non-toxic, no skin irritation, sensitization, breathable, and drugs such as good compatibility, thus can be a variety of ways used in drug controlled release, so as to enlarge the using range of the pressure sensitive adhesive. In addition, the stress on the components of coating epoxy resin adhesive and organic chain, in order to reduce the influence of shock and vibration. ( 3) Sealing and isocyanate method: choose the blocking agent of the right to water sensitive side - isocyanate NCO groups protected, make its loss of activity, add extender chain agent and crosslinking agent, a total of milk made from latex when used by a certain temperature and special catalyst demasking, generating - NCO terminal base, chain extender to the preparation of waterborne polyurethane 3. According to the classification of solvent properties of water-soluble and emulsion adhesives with modified below small make up for the detailed introduce you to the exhibition of products sell like hot cakes. Water-based coating glue with water as solvent or polyurethane acrylate resin through specialized emulsification equipment, emulsion. Its advantage is: many varieties, environmental protection, low prices. Jiujiang composite adhesive industry how to do, though, acrylic pressure sensitive adhesive and adhesive tape industry still is given priority to with universal, single variety, and in the adhesive properties, water resistant, heat resistant and wet resistance can't meet the needs of the market, still needs to import a fields of special tape. And acrylic pressure sensitive adhesive tape, double-sided tape, protection tape, textured paper tape, labels, adhesive tape and tape, etc. Not only on the production, and on the adhesion and coating properties are improved greatly, is suitable for various use adhesive tape products. Now there are a lot of coating is done with water soluble glue, such as general water soluble PA, water soluble PU and leather adhesive, oil wax feeling, the feeling of color paste and other functional material. Water soluble with its functional and environmental protection, and the price is low, will be the future direction of coating. Defect is poor film-forming, washing fastness, PU can't stick hot glue. Sometimes complex requirements thin/flexible printed circuit assembly, the use of RTV silicone rubber coating not only can make coating of insulation, but also the anti-vibration, because this kind of vibration will add do not want on welded joint fatigue load. Jiujiang composite adhesive industry how to use the colorless transparent liquid, odourless tasteless. It lining in the clothing layer, as a skeleton of a garment, simplifies the clothing processing technology and time, make the garment with light, beautiful, comfortable, insurance type, washable, durable effect.
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