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How do you use the hangzhou tall adhesive

by:Sinograce Chemical     2021-02-02
Hangzhou how tall adhesive with hangzhou how tall adhesive with relative density ( 20 ℃/4℃) : 0. 8869; Freezing point - 433, the glass transition temperature 70℃。 ( 1) In the structure of polyurethane resin part introduce hydrophilic group, the emulsification. 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. ( 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. Such as high strength double-sided tape, high temperature textured paper tape, flame retardant tape, magic tape and solar film and marking tape, etc. ( 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 when used under the high temperature of 260 ℃, glass, organic silicon laminate or copper - should be adopted Ptfe composite panels. 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. Hangzhou how tall adhesive used for easy, jie of pressure-sensitive adhesive, peeling without loss, not hard for a long time will not dry up, the characteristics of Lord of acrylic ester monomer, at the same time of the second monomer, and introduced a variety of functional group monomer, through repeated experiment and reasonable adjustment technology formula, selection and create a good comprehensive performance of multivariate copolymerization of acrylic ester emulsion pressure sensitive adhesive, can be used in the need to transfer coating process of production of double-sided tape, label paper etc. When used to adhesive lining cloth cut into the required shape and size, to be coated with hot melt adhesive side with other fabric materials ( The fabric) On the back of the hot-pressing bonding. And acrylic ester emulsion pressure sensitive adhesive for non-toxic, no pollution, and it has excellent aging resistance, weather resistance, pressure sensitive resistance and adhesive properties and become the development direction of pressure sensitive adhesive, and is widely used. 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. Rigid laminated assembly of printed circuit board, can be used with thermoplastic or thermosetting adhesive plastic film bonding together. New product development with hot melt adhesive joint lining cloth furniture sealing side is on fabric surface evenly Xu Bu made of hot melt adhesive. How do you use the hangzhou tall adhesive
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