Polyurethane Adhesives: An overview

Polyurethane Adhesives
Polyurethane (PU) adhesive are the adhesives having the polymer chain units connected by carbamate or urethane bonds. The PU adhesives are weather resistant, provide high strength, and provide flexible curing period at both ambient and extreme temperature. PU adhesives are commercially available as 1-component and 2-component adhesive. As it has excellent adhesion to rubber, leather, textiles, metal, paper, wood, and plastics, it is preferred in various application segments such as automotive & transportation, packaging industries, etc.

Publication Trend

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Considering the last 20 years, there has been a steady increase in the patent filing around polyurethane adhesive. Increasing emphasis on reducing volatile organic compound (VOC) emissions and sustainability have led polyurethane adhesive manufacturers to develop new, environment-friendly products, which reduce the carbon footprint and are available at a low cost.

Geographical spread

China is the prime market protected for PU adhesives where,

  • 77% of the total PU production comes from China.
  • Heavy consumption majorly driven by the end-user industries, such as construction, packaging, electrical and electronics, aerospace, etc.

Key Players

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Among the top leading players, five of them are Japan based companies such as DIC CORP, NITTO DENKO CORP, TOYO SC HOLDINGS, SEKISUI CHEMICAL and LINTEC CORP which are contributing on Polyurethane adhesives in the market.

Polyurethane Adhesive Type - Overview

  • Polyethers 3251
  • Polyethers 3105
  • Polyurethane having C-C unsaturated bond 2508
  • Compound containing N and active H 354
  • Polyacetals 5

Polyurethane Adhesive – DIC CORP

DIC CORP is one of the leading companies focusing on manufacturing of Polyurethane Adhesives. It’s a Japanese chemical company which also specializes in manufacturing  printing inks, organic pigments, thermosetting resins, polymers, specialty plastics and compounds, and others which include building materials, pressure-sensitive adhesives materials, and biochemicals. Company was founded in Tokyo, Japan February 1908.

Year Trend

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Geographical Spread

Technology Classification

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Legal Status



Polyurethane adhesives providing excellent adhesion find its application in various industry segments such as automotive & transportation, packaging industries, woodworking, shoe production, and textile industries. The Asian companies dominate the PU adhesive area with heavy filing by the Japan Based companies.

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