Two-Component Solvent-Free Polyurethane Adhesive – in the Printing and Packaging Industry for Laminating All Types of Wrappers

Application:

This adhesive is used in the manufacture and installation of insulation plates, decorative plates and other sandwich parts and has a good performance as an assembly adhesive. It is suitable for strong and permanent bonding of polar polymers such as ABS, PC, SMC and PVC, wood, foam, textile, aluminum and steel with paint and lining. Non-polar polymers such as PP and PE can also be glued with this adhesive after corona preparations.


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Product Introduction:

Polyurethane adhesives consist of three main parts: polyol, isocyanate and other possible additives necessary for curing. The company’s solvent-free laminate adhesive is a two-component polyurethane adhesive based on MDI (methyl diphenyl diisocyanate as the (aromatic) isocyanate component) along with a polyol (which is usually a polyether polyol). The lamination process is widely used in the production of packaging components such as wrappers and coatings. This process is generally used to bond dissimilar pre-manufactured or in-production layers. Apart from natural adhesives such as starch, protein, waxes, etc., which were generally used in the past and are now not used industrially, lamination adhesives are generally based on polyurethane.

Technical Specifications:

In summary, the manufacturing process of this product is as follows: Part 1 includes the mixing of polyether polyol with castor oil and part 2 includes the preparation of MDI prepolymer under neutral gas. In prepolymer preparation, the reactive ratio of MDI and polyether polyol is adjusted according to the molecular weight and isocyanate functionality of the prepolymer.

Advantages:

High quality at a competitive price

Company

Type

This product is a final B2B customer product.

SKU: 13046 Category: 
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