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Dongying boss packaging adhesive complaints

by:Sinograce Chemical     2021-03-16
Dongying boss complained products note packaging plastic complaints dongying boss packaging plastic characteristic appearance milky white or light yellow latex this product according to the effect of the process to adjust the indicators, when using, do not add water or other solvents used to maintain good health 20 kg, 50 kg bottled product features look milky emulsion (2) resin pressure-sensitive adhesive used this kind of pressure sensitive adhesive resin of polyacrylic acid ester, pu, PVC, polyvinyl ether, etc. ( 1) Adjust the structure under the premise that guarantees the stability of the emulsion, the content of hydrophilic group as low as possible, can improve the water resistance of the film; Environmental protection, high efficiency, low cost, simple process of the development of the reactive flame retardant has great prospects for development. ( 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, the preparation of waterborne polyurethane aqueous polyurethane chain extender to exist shortcomings edit waterborne polyurethane adhesives drying speed is slow, the nonpolar base material in poor wettability and low initial viscosity and poor water resistance, etc. ( 2) Improve process using performance excellent emulsifying equipment for heat treatment, can improve the strength and water resistance of film. 3, move or lift the polyurethane hot melt adhesive machine, only allow you to use the base as handling, may not take advantage of the stroke cylinder pur hot melt glue machine, electrical appliances, electrical components on the control panel or the door is insulated pipeline plastic pipes for auxiliary and to raise the hot melt adhesive machine, improper handling can damage pur hot melt adhesive machine spraying equipment. With bracket live hot melt glue gun, so will not spoil the table. ( 3) Compound modification to improve some properties of the waterborne polyurethane, and other water-based resin such as epoxy resin emulsion, urea-formaldehyde resin, such as blending, made the new water-based adhesive, its performance is improved. Into the glue guns opened the package, in the packing of the hot melt glue guns tend to have a little support, the small bracket installation in gun two holes on the surface of the whole. ( 4) Grafting modification are just the right amount of styrene monomer are added into the polyurethane emulsion, made by in-situ poly polyurethane grafted styrene emulsion, improves the adhesion and water resistance. Dongying boss complaint hot melt adhesive glue packaging machine of softening degree requirements at 80 ~ 90 ℃. In the process of heating for a long time, do not produce adhesive solution change color, in use process surface crust. All landowners with pneumatic stirrer, set of mixing time, under the 300 ∽ 500 RPM speed, stirring for 10 minutes. Pet-name ruby water-based adhesive and curing agent itself resistance to yellowing effect is very good, use water-based glue then the yellowing of shoes with other factors, such as agents, UV irradiation and so on. ( 5) Vinyl emulsion dispersion modified isocyanate (can be Or its pre polymers) Organic solution dispersed in the aqueous solution of polyvinyl alcohol, carboxymethyl cellulose dongying boss packing complaint hot melt adhesive glue at present, the definition of domestic adhesive manufacturers have thousands of, in the interests of many businesses before shoddy, and hot melt adhesive with different affinity of different adhesive materials. Dongying boss packaging adhesive complaints
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