- Piece/Pieces
- 1
- Piece/Pieces
- 35000INR
Adhesives, Glues and Gums Project Report
Fevicol type adhesives come under the category of synthetic resins and latex adhesives and are made from polyvinyl acetate is a thermoplastic, odourless, tasteless, non-toxic, essentially clear and colourless resin. It has a non-crystalline and relatively branched rather than linear structure. Most grades of resin have a somewhat broad molecular weight distribution. They do not melt, but soften over a temperature range. The resin is unaffected by sunlight, ultraviolet light and air, furthermore it will absorb a small amount of water. Polyvinyl acetate is neutral and non-corrosive. The various grades have good heat stability below 100oC, show slight discoloration at approximately 150oC and decompose at 50oC but brittle at 10 to 15oC.
Because of their relatively low cost, ready availability, wide compatibility and excellent adhesive characteristics, many polyvinyl acetate resins, solutions and emulsions are treated as commodity items by the adhesives industry. Most of the differences in physical properties among polyvinyl acetate grades are primarily a function of molecular weight. Low molecular weight grades are soft and deformable at room temperature, whereas the high molecular weight grades are hard and tough. All grades have outstanding adhesive to many surfaces, porous and non-porous. The excellent adhesion is due in part to the highly polar acetate groups in the polymer and partially to the unique combination of viscosity, tack, tensile strength and other properties that exist during application of the adhesive and during a formation and ageing of the bond.
Few Project reports on Adhesives
- Adhesive for Plywood Industry
- Adhesive for Leather
- Animal Glue
- Black Insulating tape
- Glue from Bone Sinew
- Dextrin Adhesive for Corrugated Board Boxes
- Emulsion and Solution
- Monomers for use as Adhesive
- Easter Gum
- Extraction for Gelatin Glue from Leather
- White Powder from Glue
- Leather to Leather Adhesive Based
- Ossein from Bones
- Paper to Paper Adhesive
- potato Starch
- Pressure Sensitive self adhesive Tape
- Quick fix type Adhesives
- Synthetic Gum Based Vinyl Acetate
- Synthetic Tallow
- Thermosetting
- Cellophane Tape
- Self Sticking Album
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