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Research Advance in Customizable Drug Delivery Bioadhesives

Posted By ASC, Tuesday, April 12, 2016

Researchers at LSU are in the process of developing a new adhesive gel for drug delivery that will be more cost-effective than existing hydrogel-based carriers. A process dubbed a “pH clock reaction” is being applied after studies into the interaction between urea and the enzyme urease.  With the addition of two chemicals during the “clock reaction”, a water-soluble adhesive gel is created.

 

This gel, though similar to other delivery methods will offer cost-savings owing to the resulting ‘one-pot’ formula that does not require the use of polymerization catalysts or initiators. Thus, the bioadhesive can form in the human body without any external stimulus.

 

As the hydrogel degrades, the drug is released, and since this process is tunable, a high degree of customization and predictability becomes possible. Although the bioadhesive and its degradation products are completely non-toxic, researchers say that further work will be needed before the advance is market-ready.

 

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Draft Product Category Rules for Sealants in North America Open for Comments

Posted By ASC, Monday, April 11, 2016
Updated: Sunday, April 10, 2016

The first draft of Product Category Rules (PCR) for Sealants in North America is now available for public review and comment until April 29, 2016.  This initiative is led by The Adhesive and Sealant Council (ASC), in collaboration with UL Environment and a council of industry leaders.

PCRs are the first step in developing transparency documents for products.  PCRs outline how a company should approach a Life Cycle Analysis (LCA) when developing an Environmental Product Declaration (EPD),  UL Environment is pleased to work with the ASC to issue this PCR, which will enable manufacturers of sealants to communicate their products’ environmental impacts so that purchasers can make more informed buying decisions.

The PCR is now available for public review and comment until April 29, 2016 at http://bit.ly/1qlp2ev, after which it will be reviewed by an independent expert panel.  Comments to be submitted here: epd@ulenvironment.com.

For more information, view ASC’s press release on the draft PCR.

 

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Adhesive Dispensing Equipment Choices

Posted By ASC, Friday, April 8, 2016

Adhesives are playing an important role in innovation of consumer products, but the choice of the right dispensing equipment is as important as using the right adhesives. The materials to be bonded, requirements for curing, cure time and production line requirements are among the considerations to be taken into account.

 

Manufacturers are advised to discuss the materials that will be used, bond strength requirements and the operating environment in which adhesives must maintain their integrity with adhesives specialists. The volume of adhesives required and the accuracy with which they must be applied will also affect the choice of adhesives and their related dispensing equipment. Low flow, high volume machines dispense accurately over a longer time period, while high flow, low volume machines dispense large amounts of adhesive in short burts.

 

Manufacturing volumes also play a role. Bulk processing is generally more economical and allows for increased automation including robotics. In this case, options range from simple pneumatic circuitry to integrated PLC controls. System controls and interfaces should also be simple to use and allow for easy maintenance.

 

Need help finding a vendor? Use the ‘Vendor Select’ Tool  HERE


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Optical Adhesive Offers Record-Breaking Refractive Index

Posted By ASC, Thursday, April 7, 2016

Norland Products, a leading provider of optical and electronic adhesives for applications ranging from commercial optics to LEDs, LCDs, waveguides, fiber optics and microfabrication globally, has selected Pixintelligent Technologies, a company specializing in nanomaterials for soild state lighting, optical coatings and optical films, as its partner in developing and releasing PixClear. This new adhesive uses high R.I. Zirconia Nanocrystal technology and cures in visible light.

 

According to a spokesperson, the product will improve design flexibility for makers of high performance optical components. The solvent-free adhesive has the highest refractive index, stability and transparency of any optical adhesive developed so far, and can be incorporated into the silicones, acrylics and epoxies commonly used in manufacturing processes. It was developed in cooperation with manufacturers of solid state lighting, display and optical components in order to meet the need for advanced materials for the commercial and military opticals industry.

 

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Dow Corning to Work Directly with Polyurethane Foam Manufacturers

Posted By ASC, Wednesday, April 6, 2016

In response to requests from end users in the Polyurethane Foam manufacturing market, Dow Corning has agreed to work directly with manufacturers with the aim of optimizing systems, solving performance issues and developing new products to meet manufacturers’ needs.

 

Silicone technologies will continue to be the focus of Dow Corning’s efforts as it builds on its three decades of experience with silicone surfactants used in polyurethane foam manufacturing. In addition, Dow Corning provides the industry with surface coatings, adhesives and industrial release coatings as well as intermediates, resins and other silicon-based products. Its materials for synthetic leather production are also expected to be an important supporting technology for the polyurethane foam market.

 

Dow Corning’s Japan-based joint venture, Dow Corning Toray co. Ltd is currently in the process of worldwide rollout of a range of products that has only been available in Japan in the past.

 

 

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ASC Creates Product Category Rule for Sealants

Posted By ASC, Tuesday, April 5, 2016

FOR IMMEDIATE RELEASE

 

Media Contact:

Steve Duren

Senior Director

(952) 300-8280

Steve.Duren@ascouncil.org


  

 

ASC CREATES PRODUCT CATEGORY RULE FOR SEALANTS

 

Member Task Force Drafts PCR; Seeks Industry Input



April 5, 2016 – Bethesda, MD – The Adhesive and Sealant Council (ASC) announced that it has created the first draft Product Category Rule (PCR) for Sealants for North America. The PCR sets the rules that industry should follow when conducting a Life Cycle Assessment (LCA), which is then used to create an Environmental Product Declaration (EPD). EPDs are tools that the value chain is beginning to use to communicate impact categories within the building and construction industry, and other industries.

The PCR for Sealants was created in a collaborative, consensus driven manner with an ASC member task force, UL Environment and Thinkstep. The draft PCR is now open to public comment as ASC strives to deliver an industry wide PCR for sealants supporting the North American market.

“PCRs are the first – and important step – in supporting the industry as we respond to an increase in customer requests for product information,” notes Matthew E. Croson, President of ASC. “The PCR will outline in detail how a company should approach an LCA when developing an EPD, and is a vital part of the EPD process."

Within the building and construction industry, some architects are asking for product information in order to gain points for the United States Green Building Council’s LEED program, specifically in the EPD credit worth 1 or a ½ point. In other parts of the world, EPDs are becoming an accepted mode of communications between materials manufactures and the design community. In Europe, both the IVK and FEICA – two of the leading organizations supporting the adhesives and sealants communities in Germany and the EU, respectively, have already developed PCRs and even model EPDs, to support industry.

“UL Environment is pleased to work with the ASC to issue this PCR, which will enable manufacturers of sealants to communicate their products’ environmental impacts so that purchasers can make more informed buying decisions,” said Anna Nicholson, Program Manager for UL Environment. “This PCR is a significant step and shows the industry's commitment to continued sustainability."

The PCR is now available for public review and comment until April 29, 2016 at http://bit.ly/1qlp2ev, after which it will be reviewed by an independent expert panel.

Comments to be submitted here: epd@ulenvironment.com

To support the effort, ASC convened a member task force in 2012. The following individuals and companies have contributed to the PCR process for sealants:

ASC* - Steve Duren, Connie Howe (Non-Voting)
3M - Theresa Borzcik, Trace Woodard
BASF - Rodney Wideman, Bob Ober
Concrete Sealants - Jesse Wingert
Covestro* - Shen Tian, John Brandt, Jay Johnson
Bostik, Inc. - Serhan Oztemiz, Kelly Pedersen
Carlisle Construction Materials - Anil Shenoy, Bill Schneider
Dow Corning* - Jennifer Princing
Emerald Kalama - Bill Arendt
Henkel - Paul Majka
ITW Polymer and Fluids - Ted Stolz, Martha Mittelstaedt, Terryann Hoyes-Graham
Mapei* - Dan Marvin, Chris Bierschank
Momentive - David Evers
NIST - Chris White (Non-Voting)
Sika Corporation* - Steve Rosenberg, Eric Muench
Tremco Incorporated - Amy Woodward
ThinkStep - Christoph Koeffler, Heather Gadonniex (Non-Voting)
Wacker Chemical Corporation - Hugh Flak
UL Environment - Anna Nicholson (Non-Voting)

Steering Committee Members = *

“I would like to recognize the dedication and leadership of Steve Rosenberg of Sika for leading this effort which was a long process. Anna Nicholson of UL Environment and Christoph Koeffler of Thinkstep also played key roles in the development process of the PCR,” noted Steve Duren, ASC Senior Director of Member Services. We also want to recognize members of our steering team who were instrumental in the heavy lifting on content and decision making; Dan Marvin and Chris Bierschank-Mapei, Shen Tian and John Brand of Covestro, Jennifer Prancing of Dow Corning and Steve Rosenberg of Sika. The ASC took time to consider all sides of the PCR effort, and considered all options before bringing the draft to industry."

The ASC Task force voted unanimously 15 to 0 to develop the PCR and was further authorized by the ASC Executive Committee in November of 2015. Through a series of conference calls and ongoing dialogue with both the steering group and full task force, the document was created.

ASC will host a series of four speakers on the PCR topic at its Spring Convention in New Orleans April 18-20, the full program can be reviewed here. More details and history of the PCR can be found in the upcoming ASC/ICIS convention magazine, which will be available onsite in New Orleans or you can preview the article here. More information on in-depth end user/architect interviews can be found in ASC’s 2014-2017 Caulks & Sealants Market Report here.

For general inquires, contact Steve Duren, ASC Senior Director of Member Services, at steve.duren@ascouncil.org

For information on process, PCR development, contact Anna Nicholson, ULEnvironment ProductManager for Environmental Product Declarations: Anna.Nicholson@ul.com

 

  

 

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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 128 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 www.ascouncil.org.

 

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New Low Melting Point Resin From AGC Chemicals

Posted By ASC, Monday, April 4, 2016

The need for a low melting point resin that is also highly chemical resistant with electrical and non-stick properties has led AGC Chemical Americas Inc to develop Fluon® ETFE LH-8000, an adhesive fluoropolymer that is able to bond dissimilar substrates including polyamides, polyethylenes and metals in a one-step process.

 

The resin has a melting point of 108 – 190 and a wide processing temperature range that minimizes the possibility of material decomposition. The resin will enhance molding equipment lifespans and reduce the need for specialized corrosion-resistant equipment for the co-extrusion of a fluoropolymer layer with engineering plastics thanks to a low level of corrosive off-gas during melt processing.

 

The new product will be used for a wide range of applications, particularly those requiring multilayer structures, without the need for surface treatments or the inclusion of a tie layer. The manufacture of such items as chemical bags, anti-stick conveyer belts, hot water hoses, interlayer insulation films and the tubes needed to convey harsh chemicals in manufacturing and processing industries simpler and more cost-effective.

 

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Sealant Advice for Builders: Education is the Key

Posted By ASC, Thursday, March 31, 2016

Whereas adhesives are used for bonding, and caulks simply plug holes and can shrink or crack, sealants provide more durable performance. Sealants and caulks are generally based on silicones, polyurethanes, or modified silicones or urethanes. Solvent, acrylic and latex based caulks are also available to the construction industry.

 

Sealant choice depends on the substrate as well as performance requirements. Builders should choose a higher-end sealant to reduce or eliminate call-backs. For builders, understanding sealants includes understanding that similar-seeming sealants may have been developed for different applications. For example, many builders rely on less durable acetoxy silicones that do not always adhere properly to substrates, while oxime cure silicone that adheres to a greater range of substrates is available.
Educating builders in sealant chemistries is important too, and the construction industry can expect to see high VOC chemistries that they may have been accustomed to using being replaced by greener options with higher performance.

 

A great resource for educating your workforce on sealants can be found in the OnDemand and Live Webinars located HERE


Also, great resources for the building & construction industry are available HERE as well.

 

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New ‘All Surface’ Construction Adhesive Hits the Market

Posted By ASC, Tuesday, March 29, 2016

Liquid Nails has announced the release of a new product intended for the construction industry. The FUZE*IT all-surface adhesive uses a hybrid polymer blend that provides double the bonding strength of traditional fasteners and is resistant to harsh weather and extreme temperatures. High strength bonds are achieved, even when the substrates are extremely hot, frozen or wet.


The fast-curing adhesive allows for repositioning of components, while curing quickly, thereby limiting the chance of shifting prior to full adhesion. The packaging is designed to protect the adhesive, even if left outdoors in wet conditions overnight, and bonds “almost any” substrates together, according to a company spokesperson.


PPG Architectural Coatings, which owns the Liquid Nails brand, notes that the new adhesive will target both construction professionals and the DIY market in response to a demand for time-saving, yet versatile and effective adhesives. Durability and environment-friendliness have been achieved through the development of a plasticizer-free adhesive that is low in VOCs.


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3M’s Post-it Notes Celebrates 35 Years of Making Memories

Posted By ASC, Monday, March 28, 2016

The initial results from the adhesive that would become the driving force behind the post-it note must have been frustrating for its inventor, Dr Spencer Silver – at least at first. His attempts to create a super-strong adhesive that could be repositioned repeatedly resulted in an adhesive that was extremely weak. But Silver’s colleague, Art Fry, found new inspiration when he lit upon the idea of an adhesive bookmark that could be used to mark places in a hymn book without tearing any pages.


Silver’s accidental discovery combined with Fry’s inspiration resulted in the ubiquitous post-it note, initially only available in yellow, but later being produced in a rainbow of colors. According to 3M, the average office employee uses 30 Post-its a week, while professionals can expect to receive 11 Post-it messages every day. 84% of office workers say that Post-its helped them to remember ‘to-dos’. Today, over 1,000 Post-it products are sold in over 150 countries.


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