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Eastman Partners with Sun Chemical on Deseaming Adhesive

Posted By ASC, Tuesday, March 27, 2018
Updated: Monday, March 26, 2018

Sun Chemical has announced its release of SunLam, a deseaming adhesive that has been designed to help recyclers recover more PET from recyclable containers without making any changes to current processes. Until now, shrink-labelled bottles have presented a problem to recyclers, decreasing their yield because labels could not be removed in the recycling process. As a result, sorting equipment would often misidentify PET bottles, rejecting them from the recycling line. Sun Chemical says that its deseaming adhesive will release during the bottle washing process, and because the label comes off before sorting, the shrink-labelled PET bottles cannot be misidentified.

To develop the adhesive, Sun Chemical partnered with Eastman, a company which manufactures copolyester labels, and the partners say that during trials, 95 percent of labels attached using SunLam detached after passing through a commercial recycling facility’s standard bottle washing process. Eastman says that the new adhesive will allow brand owners to use full-body shrink labels on their products without any loss of recyclability.

 

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Specialty Labels That Help Prevent Identity Theft

Posted By ASC, Monday, March 26, 2018

When people discard empty prescription medicine bottles, they rarely consider the possibility that the information on the label could provide enough information to allow for identity theft. Removing the labels by hand so that they can be destroyed could be time-consuming, but the problem could be solved by using a label that’s designed to erase information rather than present it.

ZapStrips are 2” x 5” adhesive strips that cover the personal information printed on prescription medicine bottles. 

However, the makers say that the strips do more than just cover up the information; they erase the ink that was used to print it too. When a thermally printed label is covered with a ZapStrip and then placed in a microwave oven for ten seconds, the ink is erased, foiling identity theft.

 

 

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Adhesive Tape With Olympic Fame

Posted By ASC, Thursday, March 22, 2018
As TV viewers watched American figure skater Mirai Nagasu’s star performance at the Olympics, they couldn’t help noticing a dark strip bearing the letters “USA” on her thigh. Was it a tattoo? It turned out to be a strip of kinesiology tape from KT Tape, the designated provider of kinesiology tape to Olympic athletes.

The company’s CEO said that at a guess, Nagasu had sustained a slight muscle injury that required the support the tape offers. The elastic tape is being used by several athletes, and not always in the ways that the company initially intended. Skier Ted Ligety used the tape on his face as protection against frostbite, but KT tape says that this is an “off label” use for its product which is still being researched.

As a rule, the tape is recommended as a means of relieving the pain of injuries and providing support – and both amateur and professional sportsmen and women have access to the product.

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Adhesives.org Article: The Many Advantages of Adhesive Bonding for Composite Materials

Posted By ASC, Friday, March 16, 2018

Strong, lightweight composites can solve many product design problems, but bonding them to other materials using traditional methods is often impossible. Most composites won’t stand up to welding, and holes to accommodate traditional fasteners will also weaken them. Nevertheless, we see composites being adopted in the aerospace and automotive industries, and adhesives are making this materials revolution possible.

Polymer matrix composites, also called fiber-reinforced plastics, are taking the place of metal in casings and retaining structures. The fibers used include glass, basalt, carbon, and aramid, and since they’re both strong and lightweight, they fulfil the needs of designers in terms of increasing stiffness-to-weight ratio while allowing for improved aesthetics and resistance to environmental stress. The materials include glass-filled polyester resins and thermoplastic composites. Drilling holes in these materials breaks the reinforcing fibers, compromising their strength.

Composite adhesive bonding, on the other hand, is made possible with the help of advanced adhesives and tapes which are as strong (and sometimes stronger) than rivets or welds. But adhesives offer more than just bond strength. Manufacturers can choose adhesives to seal joins, or to separate dissimilar substrates that would otherwise be subject to galvanic corrosion, and the advantages of a clean, almost seamless bond is...

 

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Lord Corporation Releases a Rubber to Metal Adhesive for Tank and Pipe Linings

Posted By ASC, Monday, March 12, 2018

Lord Corporation has announced its introduction of a new film adhesive that will be used to bond un-vulcanized rubber to metal. The company says that as many as four layers of solvent-based primers, adhesives, and tack cements were needed to line metal pipes and tanks with rubber, but that its product achieves the task with a single film of adhesive.

 

The Chemlok Film Adhesive is VOC-free, which, says Lord Corporation, will improve workplace safety conditions while saving time, since instead of waiting for 30 to 40 minutes for the curing of several successive layers, a single film layer can now be applied. The company also says that its adhesive can be pre-laminated onto rubber, allowing workers to apply the adhesive outside of confined tank spaces. 

 

Additional properties that Lord Corporation highlights include its product’s chemical resistance and high tack strength which nevertheless allows for repositioning of liners to ensure a good fit. The company says that it will continue to explore opportunities for the development of solvent-free adhesive technologies.

 

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3M Helps Medical Device Manufacturers Choose the Right Adhesive

Posted By ASC, Thursday, March 8, 2018

Adhesives play an important role in the manufacture of medical devices. These days, they’re also used to attach them directly onto skin. With an enormous variety of adhesives to choose from, 3M say that its customers sometimes find adhesive selection difficult, but it aims to overcome this with a new online tool: “Find My Adhesives.”

 

The tool asks product-specific questions and makes recommendations based on the answers it receives. The questionnaire allows medical device designers to state whether the adhesive is intended for sticking directly onto skin, whether it will hold components together, or they require an adhesive as an overlay. Users can select the materials they are planning to use, and answer questions about thepatient age-group, activity level, and the part of the body where the device will be worn. Using its database, the Find My Adhesives tool will then suggest adhesives that would match the device’s profile.

 

3M says that since launching the tool in January, it has experienced a marked increase in website traffic, allowing the company to connect with prospective customers during the medical device design process. It also notes that the market for wearable medical devices is growing and believes that wearable medical devices help patients to manage their medical conditions more effectively.

 

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Adhesives Key to Protecting Apple’s IP and Preventing Tampering

Posted By ASC, Tuesday, March 6, 2018

Apple has a reputation as a secretive company, and it clearly doesn’t want anyone but its technicians tampering with the innards of its new HomePod. The smart speaker features multiple layers of adhesive that are further complemented by adhesive pads and Torx screws. After a teardown attempt by iFixit, the conclusion was that the device is “built like a tank.” That’s bad news if you want to attempt repairs yourself, but good news if you don’t want your tech tampered with in any way.

 

The use of adhesives to secure its technology isn’t new to Apple.  The company used its tough adhesive anti-tamper strategy on its iPhone and iPad design, preventing product hacking. It appears that the use of adhesives to protect its intellectual property has worked for Apple and that the HomePod will not be the last device to be well-and-truly bonded shut with the help of super-tough adhesives.

 

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Electrically Conductive Adhesive for Solar Cells Decreases Thermal and Mechanical Stress

Posted By ASC, Monday, March 5, 2018

An adhesive that is able to conduct electricity is being used by Teamtechnik, a German producer of solar cell manufacturing equipment that features stringer technology. The company says that its specialized adhesive will result in less thermal and mechanical stress on cells.

 

Since heterojunction technology(HJT) cells are particularly sensitive, the adhesive is believed to eliminate stress issues that would previously have limited this type of solar cells’ feasibility. During the manufacturing process, the electrically conductive adhesive is applied with the help of screen printing. Once the adhesive is in place, light capturing ribbons are placed on both sides of the cell, and the adhesive is cured at 160ºC.

 

The company recently confirmed that it had received a large order for its machines from an Italian photovoltaic cell company and attributes its client’s choice to the equipment’s ability to produce high-performance modules that will reduce the levelized cost of electricity.

 

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ITW Pillar Technologies Receives New Patent

Posted By ASC, Thursday, March 1, 2018
Updated: Wednesday, February 28, 2018

ITW Pillar Technologies has announced that a patent has been granted for the industry’s first on-board Maintenance Indicator™ for Corona Treatment systems.

 

According to Steve Helker, Treatment Systems Sales Manager for ITW Pillar Technologies, “The newly developed Maintenance Indicator™ technology actually senses a specific level of contamination at the corona treater’s ground roll which requires Maintenance personnel to address. This breakthrough development is critical, since it is well-known in the converting industry that when a certain level of contamination accumulates at the ground roll surface, treatment level sub-optimization effects will occur in the form of backside treatment. This deterioration in surface treatment level can go undetected by packaging converters for extended periods of time and result in significant amounts of non-performing and rejected product.”Helker added, “It will also be very likely that at the time the Maintenance Indicator™ activates a signal to operators, other key internal components such as electrodes will have also encountered a similar level of contamination and require the same attention. This is why this innovative technology can provide our customers immediate payback and significant cost-savings – from avoiding major ground roll replacement costs, to significant reductions in rejected materials and downtime.”

ITW Pillar Technologies confirmed that the Maintenance Indicator™ technology is immediately available for all new and existing corona systems. They also confirm that customer addition of the technology to ITW Pillar Technologies corona systems will extend their ground roll warranty by one full year.

 

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Adhesives.org BLOG: Perimeter Containment- Firestop Joints. Who is Up for a Challenge?

Posted By ASC, Wednesday, February 28, 2018

BLOG:  Perimeter Containment- Firestop Joints. Who is Up for a Challenge? –part 2 of 2-
 
By Sharron Halpert, Adhesives.org Expert Blogger

Our last post set the groundwork for a challenge for you. Before we get to the ideas I want to share with you, let’s make sure you understand why protecting this space is so important.

When I was an intern, working for Hilti, I was given an obtuse project. Learn whatever you can about the exterior facades on buildings. This task, lead me to a GANA conference in Vegas. The Glass Association of North America conference was about 500 guys, one other woman aside from this crazy intern who knew nothing about fenestration (crazy intern- that would be me).

One speaker made it obvious that the fenestration industry knew as little about firestop as I knew about their industry. He argued that, because of the frog effect there was no reason to even bother firestopping this space. He said that if there was a fire on the 5th floor, the fire would lap up the outside of the building. The combination of winds and fire dynamics would quickly break through the glass on the floor above, allowing the fire access to the upper floor. Granted this discussion took place in 1999 and the understanding of the industry has changed dramatically since then, in fact now this firestop location has its very own test standard ASTM E2307.

This was a pivotal moment in my firestop career. I found my self torn between speaking out and being timid in a room full of people who have been in their industry much longer than I. At this point, I had been working in firestop for all of maybe 4 months, what did I know? For those of you who know me, timid doesn’t sit well with me. While in my head I was debating whether or not to speak up, I found my arm was straight up in the air and as soon as the speaker called on me I had started dislodging the idea he had so carefully begun to create to support why protecting this space was a waste of time.

I began – Imagine a 30-story building, and as you said the fire starts on the 5th floor. If there is nothing in that space, smoke and toxic gasses quickly spread to the upper floors through the stack effect. It will endanger everyone on the upper floors and begin to spread down. No one will know the fire started on the 5th floor, so the first responders will be getting conflicting reports from scared people. As the fire rages and the heat rises, these spaces above can be subject to flash over more rapidly than without some means of slowing the spread of the fire. Not to mention, the fire will spread to the floor immediately above even faster without...

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