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Adhesives Bond, Connect and Protect Advanced Driver Assistance Systems (ADAS) Components

Posted By ASC, 6 minutes ago

Advanced Driver Assistance Systems (ADAS) are no longer the sole domain of luxury vehicles. They may notify drivers of current conditions, warn drivers of hazards, or even intervene to keep drivers safe. To gather the data they need, the computer-based systems use cameras, radar, LIDAR and other sensors. Many of these will be exposed to harsh operating conditions that are not compatible with delicate electronic circuitry. Moisture, impacts from road debris, or exposure to chemicals and oil are among the conditions the devices must withstand.

 

Henkel says that it offers material solutions that will protect ADAS sensors. The company recommends:

 

  • LOCTITE EA 5470 as a liquid foam gasket for sealing radar enclosures
  • LOCTITE 3217 for use in the precision-bonding camera lenses
  • Conductive adhesives that can be used as connecting solutions
  • Coatings, sealants and potting agents that protect the electronics

 

Henkel says that it expects to see further growth in the market for ADAS component adhesives and sealants as ADAS becomes the norm in a growing number of mid to upper-range vehicles.

 

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Enhanced Battery Operated Sealant Dispensing Tool for Aerospace Industry

Posted By ASC, Tuesday, September 11, 2018

A recently enhanced sealant dispensing tool breaks away from the compressed-air-powered applicators that are the sealant applicator norm by being battery-powered and hose-free. PPG’s Semco model 1250 tool, with adjustable dispensing speeds, was introduced in 2017, but PPG says that it has further improved the model in addition to its lightweight and compact design.

Improvements to the tool will allow for faster dispensing and will reduce sealant drool that results in wasted material. According to the company, the tool can be used in hard-to-reach spots and allows for accurate dispensing. When not in use, a safety lock prevents accidental release of sealants.

It can be used for dispensing sealants, adhesives and potting compounds that have been packaged in PPG Semco cartridges. PPG clients receive the tool along with two rechargeable batteries. When charged, a battery will last for as long as it takes to use the contents of 60 cartridges.

 

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Hydrogen Fuel Cell Car Breaks Guinness World Record for Fuel Efficiency

Posted By ASC, Thursday, September 6, 2018
Updated: Wednesday, September 5, 2018

Guiness World Records has confirmed that a hydrogen fuel cell car engineered at Duke University is the most fuel-efficient vehicle ever operated. The vehicle is powered by a hydrogen fuel cell that delivers the equivalent of 14,573 miles per gallon. Duke Electric Vehicles (DEV’s) record-breaking run took place during the summer of 2018 at Galot Motorsports in Benson, North Carolina. Guinness World Records has confirmed that the attempt to set a new record for fuel efficiency was successful. DEV bested the old record set by ETH Zurich, which stood for 13 years.

Designed by the Duke Electric Vehicles interdisciplinary initiative, the prototype Maxwell — a nod to James C. Maxwell’s equations describing electromagnetism — traveled 8.5 miles of track at Galot Motorsports in Benson, North Carolina, and consumed less than one gram of pure hydrogen.

 

The car is equipped with a bank of supercapacitors providing the driver with short bursts of energy when under climbing or acceleration conditions. A smaller, lighter fuel cell than those used by competitors was installed to charge the supercapacitor in a design that also earned the Duke team first place in the hydrogen category at the Shell Eco-marathon Americas in Sonoma, California, held in April 2018 of this year.

According to one electrical engineering graduate, the car can drive to any point on Earth using the energy in one gallon of gas.

The design team is gearing up to break the battery electric vehicle record in 2019.

DEV’s major funders in 2017-2018 included the Lord Foundation, GM Foundation, and NC Space Grant as well as the Duke  Engineering Annual Fund.

 

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How a City Prevents Potholes and Saves Taxpayer Dollars Using Specialized Sealant

Posted By ASC, Wednesday, September 5, 2018

The City of Lincoln, Nebraska hopes to ensure pothole-free roads thanks to its use of a special sealant product. It is treating 13 major streets with the sealant to prevent cracks and potholes from developing in road surfaces. The targeted streets have not been resurfaced for the last seven to eight years,and the upper layer asphalt has been worn away, leaving the roads vulnerable to cracks and potholes.


Instead of resurfacing the roads, the city will apply a sealant that lasts for five to seven years. It reinvigorates the oils in the asphalt and tops them up with additional emulsions. Road users will experience minimal traffic disruption since the process can be completed in under one day.


Apart from saving on pothole repairs, the city believes that it will be able to extend the lifespan of the asphalt, reducing the drain on municipal coffers from road resurfacing costs for an additional fifteen to twenty years. Whereas road resurfacing has cost the city as much as $7 million in the past, the sealant treatment project costs just $400,000.

 

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Adhesives Enable Developments in Wearable Medical Devices

Posted By ASC, Tuesday, August 28, 2018

Adhesives.org featured an article recently on wearable medical devices...

 

Wearable medical devices that gather valuable data and enable patients to take control of their health are becoming ubiquitous, and it’s advances in the adhesives industry that has made this trend possible. For some, it’s just a matter of tracking fitness data, while for others, the data helps them to manage medical conditions such as diabetes.


Adhesives are helping manufacturers to make devices lighter, more compact and more comfortable to wear. When the device must monitor health conditions, the less obtrusive it is, the better. Thin, breathable films for attaching devices to skin help to keep these devices discreet.


Fitness-oriented devices are trendy, and most people are happy to wear them openly – that means that many of them use a simple wristband for attachment. But when it comes to monitoring a medical condition, wristband-based devices aren’t able to gather accurate enough data. To do so, the fit would need to be tight, and if there is movement of the device, the data could be affected. That’s where devices that are stuck to skin enter the equation. They can be attached at an optimal site for accurate data collection and needn’t be tailored for a good fit.


The chosen adhesive must be able to last long enough for user convenience and to help the device remain durable and resilient despite being exposed to the occasional light impact or pull when it is caught on clothing. The part of the body where the device is to be worn has some influence here. For example, the upper arm is a discreet spot for medical device placement but will be subject to catching on clothing and impacts. An adhesive skirt helps to solve the problem.


Flexibility is also important, and even the electronics in some devices are designed to flex with movement. And with skin giving off moisture, breathability is another key property for medical device adhesives.


Wearable devices must be able to withstand active lifestyles and exposure to moisture, and once again, adhesives solutions are of help. A non-woven, acrylic based adhesive with a breathable backing helps to keep devices attached and intact despite this kind of wear and tear.


Skin is a very variable substrate since everybody has their own skin-type, and skin is constantly replacing itself while sloughing off the outer layer. Within two weeks, many of the cells to which the adhesive originally bonded will have sloughed off. At the same time, breathability is crucial to comfort. Without it, the skin whitens and softens and is prone to injury when the user removes the device. Naturally, the adhesive itself should not cause any adverse skin reactions. Incorrect adhesive choices can cause rashes, blisters, or even strip off or tear the skin.


Adhesives for wearable medical devices are continuously developing and changing to meet the needs of medical device manufacturers and the patients who will use their products. Adhesives manufacturers like 3M, which offers an online product selector tool, are striving to help wearable device designers to be aware of their options and make the right choices.

 

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Could Glues Sticks, Packing Tape, and Sharpies Solve Problems in Cutting Ductile Metals?

Posted By ASC, Friday, August 24, 2018

Short Answer: YES, according to a new study from Purdue University.

Ductile or “gummy” metals are notoriously difficult to cut, but Purdue University researchers have found a low-tech solution to the problem. It’s not the chemical content of the glue sticks, packing tape, or sharpie ink that solves this problem. Instead, it’s the bond these products make with the metal.

With the adhesive in place, it becomes possible to cut ductile metals cleanly, smoothly, and quickly, and this discovery will help high-tech industries to manufacture products ranging from orthopedic implants to aerospace components and surgical instruments more efficiently. The researchers suggest that the improved machinability of the metals will cut manufacturing costs and allow manufacturers to get innovative with new designs.

Without the adhesive, the deformation of the metal when machined creates “wiggles” which make the metal harder to work than certain non-ductile metals. By getting a cleaner cut, energy use in the machining process can be reduced.

The principle is not new, but in the past, the materials used made the ductile metal altogether too brittle or proved to be too toxic for safety. Regular sharpie ink, or any adhesive product, reduces the amount of force needed to cut ductile metals without harming the metal substrate, and the resulting cut is neat and clean.

The research team says that it will carry its work further. It plans to determine the optimum level of stickiness needed for easing metal cutting processes and hopes to examine ways its discovery can be used in commercial ventures.

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Beardow Adams' New Subsidiary in Bogota, Colombia Continues Company's Latin America Expansion

Posted By ASC, Wednesday, August 22, 2018

After establishing Beardow Adams do Brasil Adesivos in Sao Paolo, Brazil during 2017, the company has taken the steps to support further growth in Latin America and inaugurated our its latest subsidiary, Beardow Adams SAS in Bogota, Colombia.


Deisy Neuta has been appointed ‘Gerente General’ of Beardow Adams SAS and will be taking control of the daily operations, as well as the sales management throughout Colombia.


“Having travelled to Colombia on many occasions, I have long believed in the opportunities that this vibrant economy offers. The passion for science and engineering within the people of Colombia, is one of the many reasons its economy is growing so strongly and why we are investing in this region.” – Nick Beardow, Co-Owner and Sales Director.

 

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Polymer Adhesive Enables Development of Life-Saving Insect Repellent

Posted By ASC, Monday, August 20, 2018

Mosquito-borne diseases like Yellow Fever and Malaria still kill thousands of people every year. The best way to combat these illnesses is to ensure that you don’t get bitten by a mosquito in the first place, but traditional insect-repellent products don’t offer enough protection to guarantee this. Now, researchers have come up with a long-lasting and highly-effective mosquito repellent that provides protection for up to 72 hours. 


The pesticide-free product doesn’t wash off, but because skin replaces itself, it will slough off with dead skin cells after a time. It uses natural ingredients like citronella, but the secret to its success lies in the polymer adhesive that makes it so long-lasting. 

 

The innovative product recently won a Harvard Business School competition that grants $80,000 in funding, and its inventors hope to fund distribution of the repellent in third world countries through sales made in the USA.  Commercial sales are expected to commence early in 2019.

 

 

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Henkel Invests in 3-D Printing Additives Research

Posted By ASC, Wednesday, August 15, 2018
Updated: Tuesday, August 14, 2018

Henkel is investing €18m in a new R&D facility in Dublin, Ireland, where its researchers will focus on the development and demonstration of new materials for use in 3-D printing. The facility where they will work consists of laboratories as well as customer-service offices, 3-D printing facilities, and conference facilities. Further expansion is planned during the next two years. The initiative enjoys the support of Ireland’s government and consists of a four-year investment plan that will expand Henkel’s capacity for the development of new adhesive technologies.


The company cites existing on-site expertise and the existing 3-D printing industry in Ireland as the reason for its choice of location which it hopes will serve as hub for 3-D printing advances throughout Europe.


An innovation and interaction center forms part of the complex and will serve as an information, service, and training center for clients from various sectors including the MedTech, manufacturing, and automotive industries. Henkel expects additive manufacturing to be of “crucial importance,” and believes that its center in Ireland will further enhance its reputation for the development of novel technologies.

 

 

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New Adhesive for Temperature-Resistant Thermoplastics

Posted By ASC, Tuesday, August 14, 2018

Panacol has announced the release of Vitralit UV 4082, a light-curing adhesive that is specifically designed for bonding thermoplastics that resist high temperatures to materials that would previously not have been compatible with the plastics. These include PEEK, PEN, and TPU which have previously presented a challenge for the adhesives industry. Apart from working well with these plastics, Vitralit UV 4082 will also form strong bonds whenmanufacturers choose to use glass or ceramic substrates. 


The manufacturers say that the adhesive has been exposed to temperatures of 150°C for up to seven days in tests, yet retained its flexibility, making it suitable for use with materials that may bend and flex. To cure the adhesive, manufacturers expose it to light from gas discharge lamps or LEDs, and the inspection of the bond is made possible by it fluorescence under black light.

 

 

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