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Adhesives

Introduction

Adhesives are materials that can bond and exhibit flow at the time they are applied. The surface in geometry is a two-dimensional geometric figure which limits the amount of matter that can be contained within a given space. Surface in a theoretical sense. The surface can be defined in mechanics as the edge of a material. This may be analysed at a molecular, micro-, and macro scale. Some adhesion theories are based on chemical phenomena at the surface. Some cases may involve pure adsorption or electrical or diffusion attractive forces.

To behave like adhesive material, it should possess the following characteristics

  • It must be wet The surfaces
  • It must adhere the surfaces
  • It must grow strength
  • It must be stable
  • Adhesive raw material types
  • There’s three types of raw material
  • Natural
  • Semi synthetic
  • Inorganic

Different types of adhesives

 

There are two main types of adhesives, resin-based and gum based. Furniture, construction and stationery are the main areas where this product is used.

There are many types of adhesives on the market, in addition to the two above. These include:

* Natural adhesives

* Synthetic adhesives

* Drying adhesives

* Bison Kit Contact adhesives

* Hot adhesives

* Reactive adhesives

* Pressure sensitive adhesives

Uses

Adhesives are used to create adhesive joints, seal, apply protective or decorative coating (paint, varnish), printing, furniture and stationery, among other things.

Surface Preparation Techniques for adhesives

* Chromic Acid Etch

* Anodizing with sulfuric acid and “Hard” anodizing

* Phosphoric Acid Anodizing

* Chromic Acid Anodizing

Market structure

In India, global adhesive players have set up new facilities in the past few years. As customs duty rises to Asian levels, the competition for imports will intensify as well as low-cost local players. All types of adhesives have a large market and it is growing. Premium products make up around 45% of this market. Quantitatively the market is growing at 11% annually.

Jubilant Organosys built a plant to produce Vinyl Acetate Monomer (VAM), and introduced Vamicol, a synthetic wood adhesive, in 1989. Vamicol has experienced a 12-15% growth. It has almost 15,000 outlets across the country.

Pidilite Industries, India’s largest adhesive manufacturer, is best known for its Fevicol product. It is India’s market leader in adhesives, sealants, chemicals for construction, hobby colours, and polymer emulsions. Fevicol is the Asia’s largest-selling adhesives brand.

Pidilite USA Inc., a wholly-owned subsidiary of the company, purchased Cyclo brand in June 2006. Cyclo products can be found in over 50 countries, as well as the USA. The brand Sargent Art was also acquired by Cyclo. It offers a wide range of products including crayons, tempera colors, acrylic colours and modelling clay.

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