The invention discloses a production method for insert gloves water-based
polyurethane coating bonding materials. The method comprises the following steps of: under the protection of dry
nitrogen, adding polyether glycols (including polyether diatomic
alcohol and / or polyether triatomic
alcohol) having undergone vacuum
dewatering and
isocyanate into a reaction vessel; heating the mixture up to between 80 and 100 DEG C for reaction after even mixing; then adding a hydrophilic chain
extender such as dihydromethyl propionic acid (DMPA) and a catalyst for reaction at a temperature of between 80 and 100 DEG C; finally adding the chain
extender and a
solvent into the mixture for reaction at a temperature of between 55 and 65 DEG C until the NCO content of the
isocyanate group does not change; discharging the reactant after temperature reduction to obtain an
ionomer; neutralizing a preformed
polymer with
triethylamine or
diethanolamine or
triethanolamine and then adding water the
mixed solution for emulsification to obtain water-based
polyurethane latex; and carrying out reduced pressure
distillation to remove the
solvent and obtain the product. The synthesized water-based
polyurethane resin which serves as a gloves
coating has the advantages of good air and
moisture permeability, excellent mechanical performance,
solvent resistance,
ageing resistance, resistance to
corrosion caused by chemical mediators, oil resistance, resistance to
hooking,
cutting and piercing, excellent abrasion resistance, odorlessness, innocuous and nondestructive for contacting with
skin, etc.