The trend towards individual and distinctive designs and the related increasing material diversity along with constantly faster process cycles in industrial serial production represent huge processing challenges in the manufacture of doors as well as for the adhesives used. In addition, the product and the adhesive have to fulfil different requirements depending on the type of door, which is manufactured. Door leaves are laminated with classic real wood veneer or modern material combinations using dispersion and hot melt adhesives, which have been adapted optimally to the individual process. Each adhesive system provides a different set of benefits.
hot melt adhesive
reactive hot melt adhesive
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Jowat Manual: PUR prepolymer adhesives
Liquid, reactive polyurethane prepolymer adhesives (short: PUR prepolymers) are high-performance adhesives characterised by a broad spectrum of adhesion and bonding properties. PUR prepolymers are established problem-solvers that facilitate the reliable bonding of different materials and material combinations. Due to their benefits, these adhesives are used in many industries, in particular in load-bearing glulam applications, in the wood, construction and furniture industries, in the manufacture of caravans, in shipbuilding, in the automotive sector and in many other industries. Reactive polyurethane prepolymers are chemically crosslinking and curing adhesives, available as one-component or two-component products.
Benefits of one-component (1C) PUR prepolymer adhesives
- good penetration into the substrate
- no mixing necessary, easy processing
- fast curing at room temperature
- free of formaldehyde and solvents
- emission-free and odourless after complete curing
- good resistance to water and temperature
- high bond strengths