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PPG to Acquire ICR, Manufacturer of Automotive Refinish and Light Industrial Coatings

Posted By ASC, Thursday, January 23, 2020
Updated: Thursday, January 23, 2020
PPG announced that it has reached a definitive agreement to acquire Industria Chimica Reggiana (ICR) S.p.A., a manufacturer of paints and coatings for the automotive refinish and light industrial coatings industries. The transaction is expected to close in the first quarter 2020, subject to customary closing conditions. Financial terms were not disclosed.

Founded in 1961, ICR is based in Italy and manufactures automotive refinish products, including putties, primers, basecoats and clear coats under the SPRINT® brand. The company also makes a complete range of coatings, enamels and primers for light commercial vehicles and other light industrial coatings applications. ICR employs approximately 180 people and sells its products in more than 70 countries in Europe, Africa, the Middle East, the United States and Latin America.

“PPG’s acquisition of ICR will complement our current product offering for the automotive refinish and light industrial coatings industries and add specialized, value-added products that address the needs of distributors and body shops,” said Gary Danowski, PPG vice president, global automotive refinish. “We look forward to continuing to deliver the trusted products and services upon which ICR customers have come to rely, and we are very excited to welcome ICR employees to PPG.”

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Three Critical Factors to Achieving a High Quality Bond for Medical Devices

Posted By ASC, Thursday, January 23, 2020

Many factors affect the strength of the bonded joints in medical devices. These include the design of the joint and the substrates involved, as well as the preparation, application and curing process. However there are only three main areas which assess their quality. These are the bondline’s location, whether it cures properly, and whether the correct amount of adhesive is used. 


Fluorescence can help determine all three. It’s the blue light that shines when UV light curing adhesives which include fluorescent agents are exposed to the black light emitted by lamps which generate long-wave UV. This blue light will determine the location of the bondline, reveal any gaps and give some idea of the amount of bonding materials that have been applied. Often visible to the naked eye, the fluorescent response can also be read by a sensor. The only risk involved is that adhesives can only contain a certain amount of fluorescing agents without affecting the cure.

Making absolutely sure the cure is completed in full, Dymax’s See-Cure light-curable adhesives use color-coding to ensure complete curing. The adhesive is blue when applied, but when exposed to UV light its colour gradually fades until it reaches total transparency at full cure. The company reports that See-Cure can also be used to determine the location and thickness of the adhesive applied.


To determine whether the correct amount of adhesive has been applied, a piezoresistance fluid sensor like the Flowplus16 can be installed in the adhesive dispenser to ensure free flow, the absence of air bubbles, dead spaces and clogging.

 

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Avery Dennison to Take Over Smartrac’s RFID Inlay Division

Posted By ASC, Wednesday, January 22, 2020

The California-based pressure-sensitive adhesives, labels and tags producer and distributor Avery Dennison Corporation, is set to expand another of its ventures by acquiring Dutch company Smartrac’s RFID inlay division for €225million.


Already active in the RFID sector in which radio frequency identifications are inlaid and bonded into tags with fixation adhesives, Avery Dennison reports that its aim is to ultimately see every physical item carrying a digital identity which will allow for it to be tracked from its production to the end of its lifespan. 


According to the company, the Smartrac acquisition will increase research and development capabilities, allow for expansion of product lines and increase manufacturing capacity with the incorporation of Smartrac’s manufacturing facilities in the US, Germany, China and Malaysia.

 

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Scientists Look to Plants and Shellfish for Adhesive Innovations

Posted By ASC, Tuesday, January 21, 2020

Scientists at the Purdue University College of Science have been scratching around in kitchens and on seashore rocks, but not in the hope of finding tasty snacks or shellfish treats. Instead they’ve been trying to satisfy their curiosity about what edible plants and shellfish can teach them, and so far it’s been enough to get them started on developing the technology needed to adopt the compounds and chemistry involved in natural adhesion, and start working towards patenting the results.


The Purdue team, which started their research by studying how shellfish adhere to rocks, broadened the scope to include the adhesion process adopted by some plants, fruits and nuts. Results have been the development of high-performance tunable adhesives, as well as the discovery that the reaction resulting from combinations of tannic acid and zein protein could hold the secret to high-performance adhesives for use in sectors like cardboard packaging and construction materials, as well as for furniture and other household items.

 

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Improvements in Light Curing Adhesive Technology Speed Up Manufacturing Cycle Times

Posted By ASC, Thursday, January 16, 2020

A large number of industries rely on one or two component adhesives to achieve the bonds required in their manufacturing field. But with one component products taking anything from half an hour to an hour and a half to reach final strength using heat curing, and slow-curing two-part formulations causing a 24 hour delay in production while the bond reaches final strength, manufacturers are starting to literally see the light. They are also seeing the advantages of its ability to cure adhesives, sometimes within a single second.


However, certain issues placed a question mark on the intrinsic strength and reliability of the curing. This has led to new developments in the chemistry behind light-curing which allow for a wider range of materials and light-curing products to be used, and others to be developed that will ensure successful and total curing while speeding up adhesive cycle times.
One result has been increased use of dual-curing products which lessen the chances of certain shadow areas being left uncured; and others have taken the route of making necessary adaptations.


These include overriding the idea that only transparent adhesives can be light-cured. For successful light-curing of black adhesives the required layer thickness has been addressed, and a humidity curing portion has been included to trigger crosslinking in shadow areas.
Pre-activation with light curing has provided a way to save some of the time benefits when bonding opaque materials which don’t allow the light to reach the adhesive. This is done by applying the adhesive to only one of the two components being bonded, and immediately irradiating it before joining it to the other component.

 

Using high-intensity LED curing lamps has increased the speed of the adhesive cycle through continuous improvements in these light curing technologies.

 

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New High Solids Adhesive from Dow for High Speed Lamination and Metalized Films

Posted By ASC, Wednesday, January 15, 2020

Dow Chemicals has added a new high-solids adhesive, the L76-500, to its Adcote solvent-based packaging adhesives range. The company reports the new adhesive will provide about 55% high solids content in application, and achieve lamination at speeds as high as 400mpm to allow for faster production and outputs in the manufacture of packaging.


According to Dow, the new adhesive shows good results in terms of wettability as well as solvent-release during drying. It is designed primarily for use in package structures such as the stand-up pouches used for both personal care products and condiments such as ketchup. However, the company reports it is also suitable for use in other medium performance applications, including any packaging that makes use of laminates like aluminium, PET, triplex and quadruplex compositions and other metalized films.

 

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Researchers Study on Long-Wave UV ‘Cross-Linking’ for Stronger Adhesive Bonds Promising

Posted By ASC, Tuesday, January 14, 2020

Research by a group of Canadian composite materials researchers and chemists from the Universities of British Columbia, Victoria and Alberta, has indicated that cross-linking could be the answer to creating strong bonds between plastics and synthetic fibers at molecular level.
Studies so far have indicated the cross-linking process, which involves exposing an adhesive to long-wave UV light or heat, results in a strong bond that is both impact and corrosion resistant even after only a small amount of exposure.


The researchers report that their studies have shown that an adhesive given this type of treatment is particularly effective when used with the high-density polyethylene often used in geomembranes, piping and plastic bottles, which are typically difficult to bond. The cross-linking process has also responded well to tests carried out in sectors which produce body armor and bullet-proof vests, and have shown potential for use in the production of clothing for extreme climates because of the cross-linked adhesive’s ability to bond different fabrics together.

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Stainless Steel Putty from Loctite Compatible with Metal, Wood and Concrete

Posted By ASC, Thursday, January 9, 2020

While metal may be the main area of operation for Loctite’s Fixmaster Stainless Steel Putty, 97433, the two part epoxy-based putty is by no means restricted to repairing, rebuilding, and restoring metal parts. According to the company, the versatile putty, available in a kit containing both hardener and putty, is also fully compatible with wood and concrete.


Like all Fixmaster composites, the Stainless Steel Putty is formulated with 100% solids, so preventing shrinkage on curing. This rust and corrosion resistant adhesive can be used to repair metal parts and for making stainless steel molds. It has a working time of 20 minutes before setting, and a cure time of 6 hours. It’s non-sag quality allows for adaptation to unusual shapes, and once hardened, it can be drilled, tapped or machined. These performance attributes allow for versatility with regard to repairs and rebuilds of industrial equipment and surfaces.


According to the company, the putty has high compression strength, a shear strength of 1800 psi, tensile strength of 4700 psi, and a shore hardness of 86 Shore D. It also operates at over 225°F (107°C).

 

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GE Sealants and Adhesives Adds Siliconized Acrylic Latex Line to its Product Family

Posted By ASC, Tuesday, January 7, 2020

GE Sealants & Adhesives has launched a new nine-product line of Siliconized Acrylic Latex caulks and sealants to protect painting projects in the three most common categories of inside and outside home renovation – kitchen and bath, windows and doors, and painting and sealing.


The company reports that the products have been grouped and color-coded to match the requirements and environmental challenges of each category of repair in terms of their performance attributes and benefits.


The three in the Kitchen & Bath category include GE’s Max* Shield Ultra Seal sealant, and the Ultra Seal Pro and Ultra Seal caulks, all of which resist water and mold growth when fully cured, are designed to deal with humid and moist conditions, and withstand harsh cleaning processes in the long-term.


Max* Shield All Weather and All Weather Pro sealants are the Window & Door duo for interior and exterior paint projects such as doors, siding, trims and flashing, as well as joints and gaps in windows. Both are waterproof, mold-resistant, and flexible in severe weather conditions.
Four products, all compatible with most latex and oil-based paints, make up the Seal and Paint group. Max* Shield Painter's sealant, Painter's Pro, Painter's Quick Dry and Painter's caulks, according to the company, offer simple gun out, strong adhesive properties, can be tooled smoothly, and cleaned up with soap and water.

 

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Dymax Extends its Light Curing Adhesives Spectrum to Track Bonding with Ultra-Red Fluorescence

Posted By ASC, Thursday, January 2, 2020
The Dymax Encompass light-curing range of adhesives, colored to fade from blue to clear to reveal the point at which the adhesive is fully cured and how long it takes to get there, has incorporated a second colour-related check, this time with regard to the quality of the bond made.

To achieve this, Dymax, which focuses on the manufacture of adhesives for precision medical and electronic devices, reports that it has incorporated Ultra-Red Fluorescence to assess the success of the bond once it has cured. When assessed manually or by automation, the adhesives will fluoresce red under black light as a result of Ultra-Red technology. This allows for a bond-line quality check after curing.
According to the company, this check is particularly effective when bonding certain plastics like PVC and PET which usually flouresce blue which could be confused with the curing test which is all about the color blue.

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