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Innovations in Bonding to Low Surface Energy Surfaces

May 25, 2017

When seeking to manufacture a plastic-based part, there are more options for attaching parts together than ever before. In the past Low Surface Energy (LSE) plastics, such as Thermoplastic Polyolefin (TPO), Polypropylene (PP), and Polyethylenes (e.g. HDPE)) had to be mechanically attached or solvent welded since true adhesive bonding did not work well with these materials. Mechanical attachments (such as clips, screws, etc) can be used with virtually any surface but they require additional steps to mold or create features for the attachment, can lead to stress concentrations which may result in plastic cracking and premature failures, and often result in unsightly surfaces. Solvent welding has the disadvantage of relying on the use of hazardous and noxious solvents. In the past decade, new adhesives and bonding tapes have been formulated which allow robust bonding of many of these low surface energy plastics. This allows manufacturers to take advantage of the benefits of using adhesives and bonding tapes including design flexibility, stress distribution, bond dissimilar materials, use lighter/thinner materials as well as clean final bond appearance.

Spotlight

Bloomchemag Private Limited

BloomchemAG business venture has been set-up to represent Global firms in Food, Agri. & Life Sciences Sectors, particularly in CRAMS (Contract Research & Manufacturing Services) space, with an aim to increase their footprint in Indian subcontinent, and conversely support Indian and other Asian specialty chemical producers to scale-up their operations and gain larger share of global markets. This is made possible by leveraging our knowledge of chemistry, expertise in R&D, technical functions and new business development.

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Innovations in Bonding to Low Surface Energy Surfaces