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Runhe Chemical (Guangzhou) Co.,Ltd.
Polyurethane adhesive is a kind of middle and high grade adhesive. It has excellent flexibility, impact resistance, chemical resistance,abrasion resistance and,
most importantly, low temperature resistance. Because of its advantages, polyurethane adhesives are widely used in the following fields.
Oligomers Applications
With the improvement of People's environmental awareness, the wood processing industry has gradually used new environmental protection polyurethane
adhesives to replace the former formaldehyde-based urea-formaldehyde resin, in an effort to reduce environmental pollution. One-component moisture-curable
polyurethane adhesives used in the woodworking industry are liquid and used at room temperature. It is usually of high bonding strength, good flexibility and
water resistance, and can be bonded to many non-wood based materials (such as metals, plastics, rubber, etc.) . The dry and wet strength of one-component
polyurethane adhesive was better than that of phenolic adhesive. The bonding strength can be improved by coating hydroxymethyl resorcinol (HMR) coupling
agent on the surface of bonding substrate before bonding.
Oligomers Applications
Our country is always a big shoemaking country, and in recent years, the preparation technology of waterborne polyurethane is becoming mature. For
some low-polarity shoe materials, such as SBS and other materials of bonding, the peel strength of polyurethane adhesive can not meet the requirements. The
polyurethane shoe adhesive with high crystallinity, high crystallization speed, high cohesive strength and better peel strength can be developed by adding
tackifying resin.
Oligomers Applications
Flexible packaging in the packaging industry has surpassed hard packaging in terms of its unique comprehensive properties, such as light weight,
convenience, long shelf life, hygiene, easy storage and transportation, easy disassembly, less waste and good shelf life, such as plastic, glass bottles and
cans. Because of its excellent properties, polyurethane adhesive can be bonded together with different properties of film materials to obtain cold-resistant,
oil-resistant, drug-resistant, transparent, wear-resistant and other properties of the composite film for soft packaging. At present, in the domestic and foreign markets, polyurethane adhesive has become the main adhesive for the processing of composite film for soft packaging.
October 16, 2024
October 15, 2024
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October 16, 2024
October 15, 2024
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.