The current solvent-based polyurethane adhesive to, but the organic solvents flammable, explosive, volatile, smell great, use of air pollution, has some toxicity. With the increasingly strict environmental regulations, the development trend of the world's synthetic adhesive outstanding performance for environmental protection and high performance. Water-soluble polyurethane adhesive for its excellent overall performance, in all kinds of water-soluble adhesive is unique, in recent years widespread glue stick attention at home and abroad, in particular the development of modified water-soluble polyurethane adhesive research has become a hot topic .
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