Environmentally Aware Printing – Types of Adhesives (continued)
Wednesday, March 17th, 2010Environmentally Aware Printing – Types of Adhesives (continued) – 17th March 2010
Other areas of interest to the industry where considerable investments are being made are those of composting and biodegradability. Work on composting hot melt adhesives has indicated that formulations can be engineered so that their degradability in soil is maximised. The rate and mode of degradation can be altered by careful selection of the appropriate raw materials. The quality of the final compost in tests conducted has not been negatively influenced by the addition of hot melt adhesive.
To accelerate the degradation process, a significant amount of work has been done and will be done on biodegradable polymers and adhesives which are not based on traditional raw materials.
Starch-based hot melts have proven, most recently, to be effective in this area and patented technology now exists for these materials, indicating that traditional problems have thermal stability and formulating compatibility have been overcome. It is anticipated that use of this technology will expand across the industry shortly. A key aspect here is that the starch is derived from freely available renewable sources, thus improving its ‘friendliness’ in environmental terms.
To be continued…
Peter Harrison is Joint Managing Director of The Printing House Ltd, and Print Buying Direct of Crewe, Cheshire, UK.
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- Environmentally Aware Printing – Types of Adhesives (continued) – 11th March 2010
- Environmentally Aware Printing – Types of Adhesives (continued)
- Environmentally Aware Printing – Types of Adhesives (continued)
- Environmentally Aware Printing – Types of Adhesives – part 3
- Environmentally Aware Printing – Types of adhesives – part 2
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