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Fuzhou German compound plastic complaints

by:Sinograce Chemical     2020-12-24
Fuzhou German compound rubber complaints fuzhou German compound rubber 2 complaints, polyurethane hot melt adhesive machine, when to take off the bucket, filling the air pressure should be from small to large pressure slowly, under no circumstances do not allow direct use of high pressure gas directly to take off the barrel, avoid the accident. ( 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; Poly (acrylate is used much, its production has more than natural rubber pressure-sensitive adhesive. In order to make better play to the 'sticky' hot melt adhesive, adhesive industry experts warm reminder, when choosing hot melt adhesive should carefully consider the following factors: 1, EPE packaging industry, electrical appliances, shockproof anti-throw EPE packaging materials packaging assembly parts, electrical appliances manufacturer for rubber end users without peculiar smell, and in the production of EPE packaging manufacturer assembly process, coating machine is open, a local heating temperature is high, production workers allergic to special smell, think there's a smell is poisonous, the influence is healthy, require a safe working environment, so the smell of extremely strict requirements are put forward for hot melt adhesive, require hot melt adhesive has no smell. ( 2) Improve process using performance excellent emulsifying equipment for heat treatment, can improve the strength and water resistance of film. Environmental protection, high efficiency, low cost, simple process of the development of the reactive flame retardant has great prospects for development. 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. ( 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. ( 1] ( 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. ( 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. Fuzhou German compound plastic complaint [ 2] Performance measurement requirements type editor CS501 super constant temperature trough, D25 - Type electric mixer, speed controller, oven, balance, three flask, drip tube, thermometer, beaker, measuring cylinder, pipette, washing ears ball, Fourier infrared spectrometer in spite of the existing reactive flame retardant effect is limited, but the reactive acrylate pressure-sensitive adhesive performance still has a lot of advantages in various aspects, flame retardant pressure sensitive adhesive huge market for its research and development also brings a lot of power. ( 5) Vinyl emulsion dispersion modified isocyanate (can be Or its pre polymers) Organic solution dispersed in the aqueous solution of polyvinyl alcohol, carboxymethyl cellulose fuzhou German compound plastic complaint note product features appearance milky white or light yellow latex adjust the indicators, this product according to the laminating process 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. Fuzhou German compound plastic complaints
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