https://www.adhesivesmag.com/rss/2129-featured-stories en-us Growing concerns about energy usage are prompting cities all over the world to set goals for energy-efficient or net-zero buildings.

]]> http://www.adhesivesmag.com/articles/97317 Fri, 01 Nov 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97317-modern-design-enabled-by-greener-cleaner-sealant-technology asi1119-HB-Fuller-img asi1119-HB-Fuller-fig1 Figure 1. Rigid (non-reactive) spacer systems experience stresses within the IGU in the form of glass deflection, primary edge seal strain and tension, and differential thermal expansion. asi1119-HB-Fuller-fig2 Figure 2. Reactive thermoplastic spacer systems can elastically deform, diffusing strain and minimizing glass movement. asi1119-HB-Fuller-table1 DrDave242@windstream.net (Dave Dunn Ph.D.) Adhesive and coating systems that use ultraviolet (UV) or visible light to begin the curing are intrinsically very attractive systems to the manufacturing engineer, allowing assembly of components and then “curing on command” by exposing to the radiation.

]]> http://www.adhesivesmag.com/articles/97239 Thu, 24 Oct 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97239-what-cure-systems-are-available-for-uv-adhesives Electrolux is a global manufacturer of appliances ranging from washers and dryers to water heaters and dishwashers.

]]> http://www.adhesivesmag.com/articles/97231 Thu, 17 Oct 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97231-qualifying-an-xyz-robotic-adhesive-application-for-freezer-assembly asi1019-ChemQuest-img asi1019-ChemQuest-fig1 Figure 1. Warped air ducts result in unacceptable adhesive pull-away. asi1019-ChemQuest-fig2 Figure 2. Acceptable adhesive press-out on an air duct. asi1019-ChemQuest-fig3 Figure 3. Acceptable adhesive bead pattern on the perimeter (left) vs. unacceptable (right). asi1019-ChemQuest-fig4 Figure 4. Tests were conducted on six different adhesive samples. asi1019-ChemQuest-fig5 Figure 5. The heat stability testing frame for the hot chamber. The plastic panel went into the oven inverted, hanging upside down on the pre-painted steel. asi1019-ChemQuest-table1 The manufacturing community will assemble October 22-24 at the Donald E. Stephens Convention Center in Rosemont, Ill., for the seventh annual ASSEMBLY Show.

]]> http://www.adhesivesmag.com/articles/97238 Mon, 14 Oct 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97238-assembling-strong-bonds-2019-assembly-show A structural adhesive is a “load-bearing” adhesive that is used to bond a joint and is capable of holding two or more substrates together under stress.

]]> http://www.adhesivesmag.com/articles/97229 Thu, 10 Oct 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97229-what-are-structural-adhesives asi1019-Hernon-img1 Adhesive bonds can be stronger than steel. asi1019-Hernon-img2 Structural adhesives are an effective method of fastening many of the next-generation materials used in transportation-related industries. asi1019-Hernon-img3 When selecting the ideal structural adhesive for a specific end-use application, significant testing should be performed and evaluated. Thermal influences can significantly affect the service life, capacity, and—above all—operational safety of high-voltage (HV) batteries.

]]> http://www.adhesivesmag.com/articles/97225 Fri, 04 Oct 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97225-high-speed-adhesive-dispensing-for-high-voltage-batteries asi1019-Scheugenpflug-img asi1019-Scheugenpflug-fig1 Figure 1. To protect the battery from overheating, several quarts of thermally conductive material ensure a reliable heat transfer between the battery modules and the cooling elements. (Image courtesy of Scheugenpflug.) asi1019-Scheugenpflug-fig2 Figure 2. A new system solution for the potting of high-voltage batteries has been developed that consists of dosing and material feeding units. (Image courtesy of Thomas L. Fischer Photographie) The desire to reduce vehicle emissions, especially in densely populated areas, is driving the replacement of combustion engine-powered cars with electrical vehicles.

]]> http://www.adhesivesmag.com/articles/97223 Tue, 01 Oct 2019 00:01:00 -0400 https://www.adhesivesmag.com/articles/97223-adhesive-technologies-help-electric-vehicles-go-the-distance asi1019-BodoMoller-img asi1019-BodoMoller-Fig1 Figure 1. High-voltage battery box in the structure of an electric vehicle. (Courtesy of Atlas Copco; originally published at www.springerprofessional.de.) asi1019-BodoMoller-table1 asi1019-BodoMoller-table2 The hybrid adhesive and sealant market is projected to grow from $4.6 billion in 2016 to over $7.5 billion by 2022, at a CAGR of 8.6%.1 Silane-modified polymers (SMPs) are the resins of choice for this market, as they provide excellent adhesion and elasticity.

]]> http://www.adhesivesmag.com/articles/97224 Tue, 01 Oct 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97224-advances-toward-non-yellowing-optically-clear-silane-modified-polymer-based-adhesive-formulations asi1019-Evonik-img asi1019-Evonik-Figure-1 Figure 1. Structure of the silane-terminated polyurethane (STPU) used in this study. asi1019-Evonik-Figure-2 Figure 2. Cured 2-mm dry thickness films of the formulations made with different fumed silicas: (a) no silica, (b) 10% AEROSIL® R 974, (c) 10% AEROSIL® R 202, (d) 10% AEROSIL® R 106, (e) 20% AEROSIL® R 8200, and (f) 20% SIPERNAT® D 13. asi1019-Evonik-Figure-3 Figure 3. Transmittance of the AEROSIL® fumed silicas as measured on a Turbiscan. asi1019-Evonik-Figure-4 Figure 4. Optically clear and colorless formulation made with the STPU, hydrophobic surface-modified fumed silica AEROSIL® R 106, and specialty amino-functional silane Dynasylan® VPS 1142. Left: uncured formulation; right: cured draw down (thickness 2 mil). asi1019-Evonik-Figure-5 Figure 5. Boeing slump resistance test of the formulation made with the hydrophobic surface-modified fumed silica AEROSIL® R 106 and the specialty amino-functional silane Dynasylan® VPS 1142, after 1 day (left) and 7 days (right). asi1019-Evonik-Figure-6 Figure 6. Yellowness (b value) as measured using a colorimeter of formulations containing different amino-functional silanes that were aged at 50°C over 77 days. Without any amino-functional silanes, the formulation does not properly cure. The Dynasylan® VPS 1142 shows the best color stability (Δb < 2) of all the amino-functional silanes tested. asi1019-Evonik-Figure-7 Figure 7. Thermal aging at 50°C for 77 days of the uncured (top) and cured (bottom) formulations, from left to right: no silane, Dynasylan® AMMO, Dynasylan® DAMO-T, SAS1, and Dynasylan® VPS 1142. asi1019-Evonik-Figure-8 Figure 8. Accelerated weathering in the QUV for 24 hrs of the uncured (top) and cured (bottom) formulations, from left to right: no silane, Dynasylan® AMMO, Dynasylan® DAMO-T, SAS1, and Dynasylan® VPS 1142. asi1019-Evonik-table1 asi1019-Evonik-table2 For facility operations managers, launching a 5S lean manufacturing program can reduce waste and optimize productivity through better workplace organization.

]]> http://www.adhesivesmag.com/articles/97201 Thu, 26 Sep 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97201-optimizing-5s-with-durable-surface-safe-labels asi0919-Avery-img-open asi0919-Avery-img1 Identification labels can be integrated to identify and classify parts, tools, and equipment so items are easy to find and everything has a home. asi0919-Avery-img2 Adding barcodes to labels can further improve efficiency for larger facilities, because scanning a barcode is much faster and more accurate than manual entry. Transdek UK Ltd. is a Yorkshire-based manufacturer of double-deck trailers and associated loading bay solutions.

]]> http://www.adhesivesmag.com/articles/97200 Tue, 24 Sep 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97200-adhesives-help-double-deck-trailers-carry-the-load asi0919-Kommerling-img1 Transdek’s double-deck trailers offer increased payload capacity of 40-100% compared to conventional heavy goods vehicles. asi0919-Kommerling-img2 Bonding load restraint tracks to side panels gives far greater strength, as the adhesives spread the load along the track length. Pressure-sensitive adhesives (PSAs) have become more popular in demanding tape and label applications.

]]> http://www.adhesivesmag.com/articles/97199 Fri, 20 Sep 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97199-using-novel-emulsion-based-pressure-sensitive-adhesives-in-high-performance-applications asi0919-Synthomer-fig1 Figure 1. Comparison of the new emulsion PSA vs. syrup UV and solvent PSA. asi0919-Synthomer-fig2 Figure 2. Peel adhesion comparison on various substrates (90˚ peel with 72-hr dwell). asi0919-Synthomer-fig3 Figure 3. Comparison of fluid immersion test (90˚ peel with 7-day dwell). asi0919-Synthomer-fig4 Figure 4. Chemical resistance and temperature cycling (90˚ peel with 7-day dwell). asi0919-Synthomer-fig5 Figure 5. Comparison of the new LSE prototype PSA vs. syrup UV LSE PSA. asi0919-Synthomer-fig6 Figure 6. Peel adhesion on various substrates (90˚ peel with 72-hr dwell). asi0919-Synthomer-fig7 Figure 7. Peel adhesion of fluid immersion test (90˚ peel with 7-day dwell). asi0919-Synthomer-fig8 Figure 8. Chemical resistance and temperature cycling (90˚ peel with 7-day dwell). PACK EXPO Las Vegas 2019, co-located with Healthcare Packaging EXPO 2019, will be held September 23-25 at the Las Vegas Convention Center in Las Vegas, Nev. Produced by PMMI, The Association for Packaging and Processing Technologies, the shows’ 2,000 exhibiting companies will host an expected 30,000 attendees across the 900,000-sq-ft (net) exhibit floor, including 5,000 international visitors from more than 125 countries.

]]> http://www.adhesivesmag.com/articles/97196 Tue, 17 Sep 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97196-explore-packaging-innovations-at-pack-expo-las-vegas Summer is coming to an end. A lucky few of you are finishing up home renovation projects, while the rest of us are putting them off until next year.

]]> http://www.adhesivesmag.com/articles/97195 Fri, 13 Sep 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97195-build-and-go-with-tape As adhesives become more prevalent and accepted in industry, the more varied the formulations have become—and by corollary, the more diverse the curing mechanisms.

]]> http://www.adhesivesmag.com/articles/97194 Tue, 10 Sep 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97194-uv-and-led-technologies-for-adhesive-curing-applications asi0919-IST-fig1 Figure 1. The UV spectrum. asi0919-IST-fig2 Figure 2. High-intensity energy can be used to transmit the dose to the adhesive if the adhesive is under a layer of transparent material. asi0919-IST-fig3 Figure 3. In the case of hot-melt UV acrylate adhesives, the dose is monitored with a highly accurate sensor and is linked into the UV system’s power setting to create a closed-loop power control. Reversible adhesion inspired by the gecko has attracted attention in applications such as biomedical masks, climbing robots, transfer printing, and pressure-sensitive adhesives.

]]> http://www.adhesivesmag.com/articles/97185 Fri, 06 Sep 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97185-designing-rebondable-structural-adhesives asi0919-ATSP-img-open asi0919-ATSP-fig1 Figure 1. Cohesive failure. asi0919-ATSP-img2 DrDave242@windstream.net (Dave Dunn Ph.D.) Acrylics such as tough acrylics and anaerobics are routinely used at 150˚C in situations like automotive under-the-hood applications.

]]> http://www.adhesivesmag.com/articles/97184 Tue, 03 Sep 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97184-how-can-acrylic-adhesives-be-used-at-very-high-temperatures Raw materials used in the manufacturing of adhesives and sealants represent a small yet important part of the global chemical industry.

]]> http://www.adhesivesmag.com/articles/97183 Tue, 03 Sep 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97183-2019-adhesives-and-sealants-raw-materials-and-chemicals-overview asi0919-Chemquest-img asi0919-Chemquest-fig1 Figure 1. U.S. crude oil production, 1940-2019 (million barrels per day). (Source: U.S. Energy Information Administration.) asi0919-Chemquest-fig2 Figure 2. West Texas Intermediate (WTI) crude oil price and NYMEX confidence intervals ($ per barrel).  (Sources: “Short-Term Energy Outlook,” July 2019, U.S. Energy Information Administration; and CME Group.) DrDave242@windstream.net (Dave Dunn Ph.D.) Over a long career, I have worked with several adhesive and sealant technologies and have tried many of them at home.

]]> http://www.adhesivesmag.com/articles/97124 Mon, 26 Aug 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97124-what-are-the-best-adhesives-and-sealants-to-use-for-home-repairs-and-craft-projects Based in the UK’s West Midlands, Mackwell Electronics provides technology solutions for the global lighting industry.

]]> http://www.adhesivesmag.com/articles/97113 Tue, 20 Aug 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97113-solving-led-challenges-with-silicone-sealants In response to environmental concerns, many industries are moving from protective coating products containing solvents to 100% solid epoxies and urethanes.

]]> http://www.adhesivesmag.com/articles/97112 Wed, 14 Aug 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97112-improving-coating-efficiency-with-dispensing-technology asi0819-Sulzer-img-open asi0819-Sulzer-img-Mixcoat-Flex With a cartridge-based system, coating is packaged in pre-loaded and pre-proportioned mix ratio cartridges, ensuring the exact mix ratio of 2-component coatings. suttons@bnpmedia.com (Susan Sutton) Welcome to the ASI Top 20, our annual feature detailing the leading worldwide manufacturers of adhesives and sealants. To develop the ranking, we worked diligently to target sales figures (and other details) focused specifically on adhesives and sealants.

]]> http://www.adhesivesmag.com/articles/97125 Wed, 07 Aug 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97125-asi-top-20-adhesives-and-sealants-manufacturers-list The market for laminating adhesives is expected to register a CAGR of almost 5.7% from 2019-2024, according to a recent report from Mordor Intelligence.

]]> http://www.adhesivesmag.com/articles/97111 Thu, 01 Aug 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97111-laminating-adhesives-benefit-from-growth-in-flexible-packaging One of the latest developments to impact two-component fluid dispensing performance and waste reduction is the release of side-by-side, collapsible film-based cartridges.*

]]> http://www.adhesivesmag.com/articles/97108 Thu, 01 Aug 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97108-collapsible-two-component-adhesives-and-sealants-packaging-supports-sustainability-efforts asi0819-Nordson-img-open asi0819-Nordson-img2 Seven fully-compressed collapsible cartridges can replace one standard side-by-side cartridge in landfills. asi0819-Nordson-img3 A reusable retainer with integrated plungers allows the cartridges to easily drop into standard two-component dispense guns. asi0819-Nordson-table According to recent research, pressure-sensitive labeling continues to represent a 40% share of the global labeling technologies market, while the established glue-applied technology claims second place (35% market share), and the still-growing sleeve labeling technologies now represent a solid 19% share.

]]> http://www.adhesivesmag.com/articles/97069 Tue, 30 Jul 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97069-pressure-sensitive-labels-lead-labeling-market asi0719-AWA-img asi0719-AWA-fig Figure 1. Global label market by technology, 2018. DrDave242@windstream.net (Dave Dunn Ph.D.) In the plumbing industry, solvent-based PVC cements are used for bonding PVC plastics. However, if you need a solvent-free system, cyanoacrylates and reactive acrylics have been widely used on rigid PVC.

]]> http://www.adhesivesmag.com/articles/97070 Fri, 26 Jul 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97070-what-would-you-recommend-for-bonding-pvc-plastics Electric bicycles are becoming increasingly popular. In Germany, their number has nearly doubled in the last three years, according to the Federal Statistical Office. The importance of developing powerful and robust electric motors and precautions against tampering and pirating has grown accordingly.

]]> http://www.adhesivesmag.com/articles/97068 Tue, 23 Jul 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97068-taking-labels-on-the-road asi0719-Schreiner-img Photo courtesy of Brose. asi0719-Schreiner-fig Figure 1. The first label features a protective overlaminate that displays the manufacturer’s logo while protecting it against external influences. Polyurethane (PU)-based joint sealants have become widely used for both new build and refurbishment projects, but their importance should never be underestimated, as they play an important role in the performance of a building throughout its lifetime.

]]> http://www.adhesivesmag.com/articles/97031 Fri, 19 Jul 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97031-solving-challenges-for-polyurethane-sealants asi0719-Incorez-open asi0719-Incorez-img1 A new latent hardener supports the challenge of developing products with flexibility in a variety of application environments, which is critical to maintaining a good seal in all-weather settings. asi0719-Incorez-img2 Polyurethane sealants can be used in various joints, such as expansion and deformation joints in building construction. With the advent of the Industrial Revolution between the late 1700s and early 1800s, manufacturing processes marked a significant shift from localized to mass manufacturing.

]]> http://www.adhesivesmag.com/articles/97030 Tue, 16 Jul 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97030-optical-coatings-a-lucrative-industry-full-of-opportunities asi0719-Adroit-img1 asi0719-Adroit-img2 Production problems…we’ve all been there. Consider this: A new type of plastic was selected for an automotive headlamp component.

]]> http://www.adhesivesmag.com/articles/97029 Fri, 12 Jul 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97029-stick-and-stay-stuck-optimizing-performance-for-pressure-sensitive-adhesives asi0719-AveryDennison-open asi0719-AveryDennison-img1 In general, the more textured a substrate is, the more difficult it is to bond to. asi0719-AveryDennison-img2 Examples of substrates with challenging surface areas include clothing textiles (a) and open-cell polyurethane foam (b). The chemical industry in the U.S. is poised for significant growth in 2019, according to the American Chemistry Council (ACC).

]]> http://www.adhesivesmag.com/articles/97028 Mon, 08 Jul 2019 00:00:00 -0400 https://www.adhesivesmag.com/articles/97028-chemical-industry-logistics-digitization-in-a-changing-economy asi0719-Elemica-img1 asi0719-Elemica-img2