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Slug-Inspired Adhesive Inspires New Medical Adhesive Technology

Posted By ASC, Wednesday, August 30, 2017

The Wyss Institute for Biologically Inspired Engineering at Harvard University announced promising findings after formulating a biocompatible adhesive that exhibits good bonding performance in wet conditions. The research team says that it has achieved adhesive bond strength that is comparable to that of cartilage. The adhesive combines strong bonding properties with the capacity to transfer and dissipate stress, a combination of properties that is new to medical adhesive technology.

The Dusky Arion slug provided researchers with the necessary inspiration. It is able to change the properties of the mucus it secretes when under threat, effectively bonding it in place so that predators cannot loosen it from surfaces. The mucus contains positively charged proteins. The researchers, therefore, emulated this with a double-layered hydrogel matrix coupled with a layer of positively charged polymers which act as the adhesive layer.

The bonds between substrate and adhesive use the forces of electrostatic attraction, covalent bonding to neighboring atoms, and physical interpenetration.

The matrix itself is of importance as it dissipates stress that would otherwise cause bonds to be broken. In laboratory testing, the research team found that the adhesive can tolerate three times as much stress as conventional medical adhesives. The adhesive shows promise for use in surgery and can remain intact even when used on highly mobile organs such as the heart. It would also be helpful in the development of medical devices such as sticky robots or could be used as a vehicle for drug delivery.

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New Humidity-Curing Sealant From Sika Corporation for a Range of Industrial Applications

Posted By ASC, Thursday, August 24, 2017

Sika Corporation has announced that its Skiaflex-211US multi-purpose sealant will be available in 300 ml cartridges as well as 600 ml unipacs. The single component elastomeric sealant cures when exposed to humidity in the atmosphere forming a durable and flexible seal that can tolerate exposure to harsh weather conditions. It has been developed for use on interior or exterior lap seams as well as joints and rivet seams making it useful in a wide range of industrial and transportation repairs. The product has also caught the attention of the wind energy industry thanks to its resistance to weathering.

Sikaflex-211 US is compatible with a wide range of substrates, and surface pre-treatments are not necessary. In addition, it is resistant to sagging and can be applied in large, vertical beads without any loss of their original shape. The company says that apart from its use in repair and maintenance contexts, the product is also easier to use in production line situations than regular polyurethane products.


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Dow Automotive Receives Honda Supplier Award

Posted By ASC, Tuesday, August 22, 2017
Updated: Tuesday, August 22, 2017

Dow Automotive Systems recently received top supplier recognition from Honda R&D Americas and Honda Brazil.


In North America, Dow Automotive received an Excellence in Innovation Award for OEM suppliers. BETAMATE structural adhesives and BETAFOAM polyurethane foams helped Honda deliver the new 2018 Odyssey with improved cabin quietness and structural rigidity, as well as reduced vehicle weight. BETAMATE was chosen to provide stiffness and weight reduction benefits in front-end applications. BETAFOAM is applied in vehicle cavities to block noise, vibration and harshness, delivering improved acoustics performance. Cost improvements were also a consideration.


In Brazil, Dow Automotive was recognized as the best supplier in the quality and delivery category.



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Permalink BLOG: Proper Testing is the Linchpin in Joint Design

Posted By ASC, Tuesday, August 22, 2017
Updated: Tuesday, August 22, 2017

BLOG:  Proper Testing is the Linchpin in Joint Design
By Dan Daley, Expert Blogger

Your homework is done, you have studied every aspect of your design, consulted with sales reps, and selected several adhesives for evaluation. You have a design and the makings of a process, including a thorough review of the adhesive manufacturers’ Technical Data Sheets (TDS).

About that TDS…it contains only one universally true statement:

The user should test the product in its intended application to determine its suitability

Or words to that effect, usually found in fine print.

Why is this important to my adhesive bonding application, you ask?

Because while every TDS is based on a laboratory testing protocol, it is fundamentally a marketing tool that has undergone a legal review prior to becoming available in the public domain. Values represented in the TDS are not defined as “average”, “minimum”, “maximum” or “best case” and thus only peripherally apply to your application. Regardless, it is unlikely the bonding conditions and surfaces match your application. It is the user’s responsibility with assistance from their adhesives supplier to validate TDS values for a specific application.

As an experienced materials engineer retired from a vehicle OEM, I strongly recommend developing an individualized test plan for your joint design and process predicated on Failure Mode and Effect Analysis (FMEA)...



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FOR IMMEDIATE RELEASE: ASC Announces 2018 and 2019 Schedule of Industry Events

Posted By ASC, Wednesday, August 16, 2017



Media Contact:

Malinda Armstrong

Senior Director, Meetings & Expositions
(301) 986-9700





Schedule Includes Annual Spring Convention & EXPO, Three Short Courses
and an Annual Executive Leadership Conference



August 15, 2017 – Bethesda, MD – The Adhesive and Sealant Council (ASC) announces its 2018 and 2019 educational conference schedule to include an Annual Spring Convention & EXPO, three Short Courses and an Annual Executive Leadership Conference. The Council will also manage the Adhesion Society’s 2018 and 2019 annual meetings.

The ASC meeting lineup is as follows:




“ASC now has a solid calendar of meetings in place to help the adhesive and sealant industry plan for important events occurring over the next two years,” notes Malinda Armstrong, Senior Director, Meetings & Expositions at ASC.

“This will provide annual programming for all levels within ASC’s member companies, from the leadership team to the technical and sales team”, notes Armstrong.

The Annual Spring Convention & EXPO is the largest event for ASC and an important event for the entire industry to attend.

“This year we had record attendance at the convention, a record number of exhibitors in the EXPO, and added several new components, such as the ASC Innovation Awards, so we are excited about continued growth over the next two years,”

The 2018 Annual Spring Convention, being held at the Hyatt Regency Miami, will include twelve sessions geared towards market segments within the industry, two concurrent short courses (a handout is available for DOWNLOAD), an EXPANDED EXPO with over 100+ exhibitors and the newly created Innovation Awards.

The EXPO allows companies to reach the industry by networking and showcasing their products and services to buyers and decision makers. The Spring EXPO is already 50% sold out. Booths are assigned on a first-come-first-serve basis and can be reserved using the exhibitor handout and contract, which is available for DOWNLOAD, or reserved online at

The Innovation Awards will recognize companies that have made efforts to differentiate and make a significant impact in the marketplace. These awards identify significant impact chemistries that contribute to downstream industries’ unmet needs and advancements in technology. The awards are intended to foster and encourage innovation across the adhesive & sealant industry.

In preparation for next year’s event, ASC is now accepting abstracts ONLINE for inclusion in the 2018 Annual Spring Convention program.

ASC plans its major meetings on a two-year timeline. The Council works to avoid scheduling conflicts with events managed by ACA, CPI, ASTM, PSTC, USGBC, Radtech, and with major religious and federal holidays.

Information about ASC’s meetings and events is always available 24/7 at as details become available.

If you have any questions, contact Malinda Armstrong, Senior Director, Meetings & Expositions at (301) 986-9700, x106 or



The Adhesive and Sealant Council (ASC) is a North American trade association dedicated to representing the adhesive and sealant industry. The Council is comprised of 117 adhesive and sealant manufacturers, raw material and equipment suppliers, distributors and industry consultants, representing more than 75% of the U.S. industry with operations around the world. Offering education, legislative advocacy, professional networking and business growth solutions for its members, the ASC is the center of knowledge and catalyst for industry growth on a global basis for manufacturers, suppliers and end-users. For more information about ASC, visit




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Owens Corning Releases New Geotextile Taping Solution

Posted By ASC, Tuesday, August 15, 2017

Owens Corning has announced the release of a new tape intended for use with RhinoMat and RhinoSkin geotextiles. The high-strength adhesive tape is intended for secondary repairs, seam protection, pipe boots and penetration sealing, batten reinforcement on geomembranes. A polymeric-faced tape, GeoLap tape makes use of butyl adhesive backing and is produced in 100-foot rolls.


The backing is covered with a peel-off paper release and the tape maintains a good bond in the moist conditions to which geotextiles are often exposed. It is also able to maintain a stable bond at temperatures ranging from -70° F to 200° F, ensuring that even extreme conditions will not affect the integrity of seam bonds or textile repairs.


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PermalinkComments (0) BLOG: Let's Talk Bioadhesives

Posted By ASC, Thursday, August 10, 2017

BLOG:  Let's Talk Bioadhesives
By Deb Bhattacharjee, Expert Blogger

Bioadhesives are naturally occurring polymeric materials with adhesive properties.  It is often used to describe a glue formed synthetically from biological intermediates which could consist of a variety of substances including proteins such as gelatin, cellulose, and starch (corn, rice, potato, etc.).  Many of these general purpose waterborne adhesives have been known for a long time and have overall inferior adhesive properties.  Examples include furniture, packaging/labeling and textile applications.

The term “Bioadhesives” could also mean synthetic and biological macromolecules and hydrocolloids designed to adhere to biological tissue. They are used for several purposes:

  • Protection of tissues, e.g. wound healing
  •  Prevention of fluid (blood) escape
  • As a replacement for surgical sutures (e.g. sutureless surgery) and
  • As a substitute for conventional drug delivery systems (for example, “Orabase” paste containing carboxymethylcellulose, gelain, etc. used to deliver penicillin for the treatment of mouth ulcers)

Bioadhesives gained commercial interest because they are often biocompatible, i.e. useful for biomedical applications involving skin or other body tissue. Some work in wet environment and under water, while others can stick to low surface energy substrates.

The North American bio-based adhesives market was $216 MM in 2015 (~6% of the total $3.6B), with a CAGR 3% during 2015-2019.  The growth in packaging & paper, construction, wood, personal care, and medical applications has been driving the increased consumption of bioadhesives. Europe is the largest region, both in terms of volume and value, followed by North America and Asia-Pacific. As expected, Asia Pacific would have the highest CAGR during the next 5-10 years.

There are significant R&D activities related to bioadhesives not only by academia and entrepreneur institutions but also by leading adhesives manufacturers and raw material suppliers, as evidenced by innumerable publications and patent applications.  While the driving forces in academia approaches have always been the exploration of new and novel approaches with biopolymers having adhesive properties, the industrial emphasis has been the maintaining or improving adhesive properties at competitive cost. The recent emphasis has been to impart biodegradability and hot melt properties to conventional bioadhesives.


  • 2015-2019 Water based adhesives in North America Market Report” by The Adhesive & Sealant Council, 2017
  •  “Bioadhesives: A review”, S. Khanlari and M.A. Dube, Macromolecular Reaction Engineering, 14 Nov., 2013
  • "Mussels inspire new surgical glue possibilities". ScienceDaily article, Dec 2007.
  • Frog glue story on ABC TV science program Catalyst.
  • "Marine algae hold key to better biomedical adhesives", Biomaterials for healthcare: a decade of EU-funded research, p. 23
  • Press release “Henkel and DaniMer Scientific form alliance to deliver bio-based hot melt adhesives for packaging”, Jan. 15, 2013

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NASA Develops Technology for Stronger Metal to Shape Memory Polymer Bonds

Posted By ASC, Tuesday, August 8, 2017

NASA has been exploring the possibilities inherent in shape memory polymer composites (SMPs). The materials will form the basis of adaptive wing structures and the technology can be extended to include applications in the intelligent medical device industry and the smart armor of the future. It could also prove useful in infrastructure projects, packaging, and engines.


The new bonding technology will allow for stronger bonds between SMPs and metals. It makes use of toughening and coupling agents that will enhance strength at the point of material interfaces, limiting the possibility of failure. During testing, the technology created bonds that were more than twice as strong as those previously achieved. This advance takes us a step closer to morphing structures that successfully adapt their shape according to the conditions to which they are exposed. The organization has filed a patent, and approval is pending.

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Henkel Releases New Structural Bonders to Address Maintenance Industry Costs

Posted By ASC, Thursday, August 3, 2017

Henkel has introduced new structural bonders that the company reports combine the benefits of epoxy adhesives with those of instant adhesives and structural adhesives. They are designed for general-purpose repairs, and as such, they are able to form strong bonds across a wide range of substrates including plastics and can tolerate demanding operational conditions.


Loctite HY 4070 adhesive allows for rapid bonding and maintains bonds when subjected to a wide range of temperatures, according to Henkel, as well as offering chemical resistance and resistance to humid conditions. It performs well when used to bond metals, rubber, and most plastics. It has been released along with Loctite HY 4060 GY, a general-purpose adhesive that cures in just five minutes. Like its relative in the Loctite range, it is able to form high-performance bonds across a wide range of substrates.


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New Electronics Assembly Adhesive from Dow Corning for OEMs

Posted By ASC, Tuesday, August 1, 2017

With electronic devices becoming important features in today’s newest cars, OEMs have been seeking adhesives that can tolerate harsh environments, provide robust bonds, cure quickly at relatively low temperatures, and bond a variety of substrates reliably. Dow Corning’s new EA-5151 Quick in Connect (QiC) Adhesive seeks to address these issues.

The one-part silicone adhesive is designed for use with plunger driven applicator guns or robotic applicators and delivers instantaneous green strength, allowing components to be handled immediately after the adhesive has been applied. The bonds will cure fully thanks to exposure to ambient humidity within three days at room temperature, but if heated to between 120°C and 130°C before 24 hours have passed, the adhesive can be removed, allowing manufacturers to reassemble components if necessary.

Dow says that its newest adhesive is flexible, offers shock, and impact resistance, and will provide manufacturers with a cost and energy efficient solution that compares favorably with earlier adhesives and double-sided tapes.


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