Avoiding Adhesives with Chemical Sensitivities  

Oleh:

Michaels, Robert

Jenis: Article from Bulletin/Magazine - ilmiah internasional
Dalam koleksi: Machine Design (Soft Copy ada dalam http://search.proquest.com/) vol. 83 no. 7 (Apr. 2011), page 60-62.
Topik: Adhesives; Chemical Reactions; Materials Selection; Design Engineering; Production Management; Guidelines

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: MM44.64 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Of all the factors to consider when selecting adhesives, chemical exposure too often gets short shrift. A quick peek at a few data sheets or a chemical-resistance chart maybe all the work that goes into evaluating adhesives for use in specific chemical environments. This article presents some basic guidelines for selecting adhesives that will hold fast against any chemical onslaught. The first thing to understand is that no single adhesive is best for every chemical environment. But some adhesive families have broad resistance to many types of chemicals. Epoxies clearly lead the pack in this regard, while polyurethanes, silicones, UV curables, and polysulfides resist a more limited range of chemicals. Figuring out which adhesives withstand which chemicals is only half the battle. Engineers also need to understand the type of exposure. Because it's crucial to get the details of chemical exposure right, it is a good idea to test bonding, sealing, and encapsulation applications that could be subject to harmful chemical interactions.

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