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When Adhesives Don’t Replace Rivets, They Strengthen Them

Posted By ASC, 20 hours ago

Rivets are being replaced by adhesives – but there are still areas where they are often used. Heavy-duty truck bodies are among these, but while the rivets bond the panels effectively on the factory-floor, the vibration of regular driving causes fatigue, while contact between rivets and aluminum panels causes corrosion. The latter problem is usually overcome by using a coating – but during repairs, the coating may be breached resulting in corrosion.

3M recently released information on how to prevent these problems through rivet bonding.It recommends 3M PN8115 Panel Bonding Adhesive for use in conjunction with rivets. When using the product with rivets, stronger bonds are formed, and the material acts as an isolator between dissimilar substrates that would otherwise corrode. At the same time, it prevents leaks and reduces vibration that would otherwise place strain on rivets. When using the product solely as an isolator between dissimilar substrates, a simplified process is followed.

Given that product selection depends on a variety of factors, choosing the right one can be difficult. To help repairers make the right material choices for the task at hand, 3M provides detailed information about its products and how to use them on its website.

 

 

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B+BTech's New Hybrid Injection Adhesive Boasts Extreme Load-Bearing Capacity

Posted By ASC, Tuesday, December 12, 2017

B+BTec has announced the culmination of its latest product development initiative: a high-performance anchoring system that depends on its newly-developed injection adhesive. The product is used in conjunction with threaded rods and rebar and is used to reinforce concrete structures. The formulation has been assessed with an ETA Option and was found to be suitable as an all-terrain anchoring solution.

 

Apart from its high load bearing capacity, it cures in just 30 minutes at room temperature, can be used in flooded holes and tolerates extremely high temperatures. Its ability to maintain its integrity during short exposure to temperatures of 160˚C and longer-term exposure to a temperature of 100˚C makes it suitable for use in the construction of areas surrounding blast furnaces.

 

Finally, the new system, when used with threaded rods M8 – M30 and rebar diameter of 8mm – 32mm, has achieved C1 classification.

 

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Adhesives.org BLOG: The Future Impact of Saudi Arabia’s Vision 2030 on Adhesives, Sealants & the Transportation Sector

Posted By Administration, Thursday, December 7, 2017

BLOG:  Imparting Barrier Properties in Flexible Packaging Applications
 
By Dan Murad, Adhesives.org Expert Blogger (ChemQuest)


In May 2017, the United States and Saudi Arabia announced an initiative toward bilateral job growth, mutually beneficial trade agreements, and sustainable, scalable economic diversification beyond oil and gas production―through technological and business innovation.

The Kingdom of Saudi Arabia (KSA) has identified the following five industrial clusters (IC) on which to focus:

Read FULL BLOG at adhesives.org

 

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FOR IMMEDIATE RELEASE: ASC Announces Changes to its Board of Directors for 2018

Posted By ASC, Tuesday, December 5, 2017

FOR IMMEDIATE RELEASE

 

Media Contact:

William Allmond

President
(301) 986-9700 x111
bill.allmond@ascouncil.org


  

 

ASC ANNOUNCES CHANGES TO ITS BOARD OF DIRECTORS FOR 2018

 

 

December 5, 2017 – Bethesda, MD – The Adhesive and Sealant Council (ASC) announced today that it has re-elected five members of its Board of Directors for a new three-year term, two to its Executive Committee for a new two-year term, and elected one new member of the Executive Committee beginning January 1, 2018.


Re-elected Board members are:

  • Robert Wanat, Chief Technology Officer at Bostik
  • John Carroll, Commercial Manager Americas and Global Sales Excellence Lead, Adhesives, at Eastman Chemical
  • Steve Rosenberg, Senior Vice President, Risk, Quality, and Sustainability Management at Sika
  • Mark Schneider, President of Albion Engineering
  • Tom Stewart, Director of Marketing and Product Management, Adhesives, at Ashland


Earlier this year, Elizabeth Keeneth, Sales Director, North America, at Kraton Chemical, was elected by the Board to serve the remainder of Mark Plante’s term, which expires December 31, 2019, who departed the Board in June.

 

Re-elected Executive Committee members are:

  • Matt Devine, President of DHM Adhesives
  • Gerhard Haas, Vice President, Research & Development, Technical Service, Purchasing at Jowat Corporation


Newly-elected to the ASC Executive Committee is John Carroll of Eastman Chemical who replaces outgoing Executive Committee member Christian MacIver, Vice President of Industrial Specialties at Ingevity, as the Supplier Representative on the committee.


Forest Driggs, Senior Vice President and Chief Financial Officer at Franklin International, was elected by the Board earlier this year, adding further depth in member representation to the committee.


“The ASC is fortunate to be led by outstanding volunteer leaders dedicated to moving the industry and its trade association forward,” said ASC President William E. Allmond, IV. “We are entering 2018 with tremendous momentum thanks to record participation this year in ASC events and programs, with new member offerings now in the works following our newly-approved Long Range Plan,” he said. “These achievements would not be possible without the strategic vision and leadership that the ASC Board continually provides.”

 

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Adhesives Help Auto Manufacturers Eliminate Bond Line Read Through (BLRT)

Posted By ASC, Thursday, November 30, 2017

As auto manufacturers continue to move towards thinner composites in order to meet lightweighting targets, bond-line read-through (BLRT) has become an increasingly important issue. Ideally, bond lines should be invisible to the naked eye, and when they can be seen, consumers may reject the finished product. As a result, quality controllers may reject components that exhibit BLRT, resulting in rework and higher costs.

 

The use of dissimilar substrates that expand at different rates when heated or contract to a greater or lesser degree when cooled contributes to BLRT. This can cause deformation of the adhesive, particularly when large volumes are used. Differences in the bond gap have a similar effect.

To solve the problem, experts recommend design, process, and adhesive choices that will limit BLRT. Thus, the properties of the adhesive, the design of parts, and production processes will all have a role to play in mitigating BLRT.

 

The issue has been thoroughly researched by Ashland, and the result was a selection of epoxy and polyurethane structural adhesives, and hybrids using both adhesive technologies, that would also cure quickly and be heat resistant. These adhesives had to pass ecoat – a 40-minute exposure to a temperature of204°Cfollowed by a lap shear strength of 0.3MPa at the same temperature.

 

Once the testing had been concluded, Ashland’s research team selected four two-part polyurethane/epoxy adhesives and one epoxy which showed promise as a means of reducing BLRT while still passing ecoat. In addition, the chosen adhesives had to meet rapid curing targets of eight to sixty minutes. Of the selected adhesives, the epoxy demonstrated the highest tensile strength and modulus.

 

The next step was to measure BLRT with the help of a Zeiss surface analyzer. Adhesive bead width, the relationship between bond gap and curvature, and cure time were among the variables taken into account in Ashland’s study. The researchers were able to make the following conclusions:

 

  • Shorter cure times resulted in lower curvature
  • As bond gaps increased, so did curvature
  • Lower curvature was associated with lower modulus
  • Adhesive bead width did not affect curvature

 

They therefore concluded that high-elongation, low-modulus adhesives allow engineers to...

 

READ MORE at adhesives.org

 

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Avery Dennison’s Solvent-Resistant Adhesive Helps Wet Wipes Manufacturer with Shelf Life

Posted By ASC, Wednesday, November 29, 2017

Just about every family has used wet wipes at some time or another – but in the past, finding an adhesive that could reseal the packaging for as long as it still had wipes to offer has posed a challenge. The problem originated because of the solvents that are used in the wipes, which would degrade the adhesive.

 

But Avery Dension has designed a solution that the company reports will keep wet wipes wet for the lifetime of the packaging. The company carries a range of solvent-resistant adhesives within its “Select Solutions” range, and two of these: MR980R and UVR155 proved to be the solution to the problem. The former is suitable for use on glossy PET-based packaging while the latter is suited to matte-finish packaging types.

 

Avery reports that the solution suits wet wipes manufacturers and consumer alike. Manufacturers want a good seal and satisfied clients who can use all the wipes they bought. Consumers want an easy dispensing option that will preserve the product and that opens and closes easily.

 

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FOR IMMEDIATE RELEASE: ASC Announces Scholarship Program to Help Secure the Future

Posted By ASC, Tuesday, November 28, 2017

FOR IMMEDIATE RELEASE

 

Media Contact:

William Allmond

President
(301) 986-9700 x111
bill.allmond@ascouncil.org


  

 

ASC ANNOUNCES SCHOLARSHIP PROGRAM TO HELP SECURE THE FUTURE

 

Program initiated in memory of Gene Simmons, An Industry Icon 
 

 

November 28, 2017 – Bethesda, MD – The Adhesive and Sealant Council (ASC) announced today the establishment of a new scholarship program for undergraduate students pursuing a degree in a science-related or business field of study.

 

The ASC Scholarship Program was initiated in memory of Gene Simmons, one of the industry’s most experienced, knowledgeable and respected pressure sensitive adhesive formulators. Gene was very dedicated to his development work, but recognized the tremendous importance of passing his knowledge onto those less experienced in his field. In keeping with his spirit of willing mentorship, this award was started with the support of the ASC to support students in pursuit of their degree in a related field.


“Today’s college students are tomorrow’s formulators, process and design engineers, chemists, technologists, and sales and marketing professionals,” said Bill Allmond, ASC’s President. “Helping them secure their future helps our industry secure ours,” he said.


Scholarships will be awarded annually to three to five applicants, depending on the availability of funding, in an amount ranging between $500-$1,000 each, depending on the volume of selections.


To be considered for scholarship funds through the ASC Scholarship Program, candidates must:


• Be a full-time junior or senior at an accredited college, university, or community college.
• Be pursuing a degree in a science-related or business field of study.
• Be a direct relative (child, stepchild or grandchild) of an employee currently employed by an active member of the ASC (“Active member” will be defined as any company that is in good standing as a current member of the ASC and has a record of recent participation in ASC programs and/or attendance at ASC conferences and events.)



Students interested in applying are required submit a brief statement by February 1, 2018 discussing:


• the applicant’s education, future career interests, academic or leadership achievements and relevant professional experience, and
• how their education, experience, and achievements are potentially applicable to the adhesives and sealants industry.

“I would like to thank ASC member Evans Adhesive Corporation, where Gene Simmons worked prior to his death, for spearheading this scholarship program,” Allmond said. “I cannot think of a better way to keep Gene’s memory alive than through supporting those who are seeking a future in an industry he loved.”

 

The ASC Scholarship Program is funded exclusively from donations. Your support is greatly appreciated. For information about making a donation, please visit www.ascouncil.org/scholarships.

 

Scholarships will be announced at the 2018 ASC Annual Spring Convention in Miami, FL during the Opening Luncheon on Tuesday, April 24th. Scholarship funds are sent to the financial aid offices at the recipient’s college or university.

 

For more about the ASC Scholarship Program, please visit www.ascouncil.org/scholarships.

 

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Airline Maintenance Clients Can Now Shop Online for Approved Adhesives from PPG

Posted By ASC, Tuesday, November 21, 2017

There are times when airlines need to get small maintenance and repair jobs done fast and need approved adhesives in a hurry. PPG SEMCO® products consist of a range of adhesives and sealants, and the company says it hopes its new online store will help airline maintenance staff to place orders and receive the materials they need much sooner. It points out that downtime for an aircraft is costly to airline operators, hence the new online store that allows registered clients to order, purchase, and arrange for free delivery of PPG SEMCO® products.

 

PPG Aerospace’s clients will also be able to purchase the necessary application equipment from the PPG SEMKIT® range including cartridges, nozzles, syringes, smoothing, tools, and so on along with the coatings, sealants, transparencies and transparent armor the company manufactures. The company says that it hopes to expand its global reach beyond the 70 countries it already serves soon, and the online sales platform will likely help to improve accessibility to PPG products in other countries too.

 

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Researchers Propose Gecko-Inspired Adhesive for Underwater Robotics

Posted By ASC, Thursday, November 16, 2017

The gecko’s amazing ability to “stick” to substrates has inspired numerous adhesive technologies that will bond with substrates and then release their grip in response to temperature changes, light exposure, or magnetic fields. But this biomimicry has only been used in dry conditions so far. Now scientists say that a double-sided adhesive that works in wet conditions is feasible.

 

Researchers examined hydrogels that can contract and expand depending on pH and other variables. The development was reported in ACS' Journal of Physical Chemistry C. They were able to integrate nanostructured hydrogel fibers on an inorganic membrane. It responded to alterations in pH, providing high friction and strong adhesion at an acidic pH and switching to low friction and adhesion at high pH. By incorporating the hydrogel on both sides of the membrane, they were able to obtain a tape that could behave in different ways on either side of the membrane. The research team has posited possible uses for its discovery, and these include its potential use in underwater robotics.

 

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Traditional Belgian Beer Maker Switches to Digitally Printed Self-Adhesive Labels

Posted By ASC, Tuesday, November 14, 2017

In Belgium, beer brewing is an art that is executed with the same passion as the French produce wine. The Belgian abbey-brewed beers form part of this tradition, but now, a traditional brand is opting for a modern improvement: self-adhesive, digitally printed labels. The company used to use wet-adhesive labels, but the self-adhesive labels it has chosen will make reusing the bottles after washing off labels much easier as well as offering an improved presentation to attract customers to the brand.

 

Label D’Or worked with the brewers to develop the labelling solution they were looking for. The labelling company sourced suitable paper and chose an adhesive backing that would meet its customer’s needs for easy application and removal coupled with attractive presentation. The client, Val-Dieu Brewery prints the labels in-house using a Xeikon 5-color digital press. After printing, a coating is applied and the labels are wound onto reels for easy application. The Brewery says that its move towards self-adhesive labels has enhanced efficiencies.

 

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