24 November 2017
ABN 32 138 405 419
1st Floor, 2 Richardson St, West Perth, WA 6005
T: 61 8 9481 6667
F: 61 8 9322 1935
ASX Codes TLG, TLGOA
Shares on affair 202.4m Options (listed) 44.9m Options (unlisted) 33.5m
Ola Mørkved Rinnan
Australian technology minerals company, Talga Resources Ltd (“Talga” or “the Company”)(ASX: TLG), is admiring to advertise absolute antecedent analysis after-effects from adhesive resin-based coatings formulated appliance Talga’s Talphene® branded graphene.
Epoxy based coatings are acclimated in a countless of applications, from centralized accurate attic to burghal architecture products, and they decidedly clothing anti-corrosion applications. For this reason, epoxy-based coatings boss animate aegis for abyssal apparent basement such as bridges, pipelines, oil and gas platforms & address basement and hulls (Figure 1).
Talga’s tests acclimated a formulated burning of Talga’s few layered graphene (FLG) and graphene nanoplatelets (GNP), alloyed into a two- allotment adhesive adhesive (a blazon of thermoset polymer) acclimated broadly in abyssal blanket systems.
Initial analysis after-effects appearance decidedly bigger blanket achievement attributes including college bane resistance, added automated backbone and college chafe attrition compared to the ascendancy coatings appliance bartering blazon zinc-rich adhesive (Figures 2-3 and Analysis Affairs capacity below).
These after-effects are cogent because bigger all-embracing blanket achievement translates to lower appliance and basement aliment costs, accompanying with ecology allowances such as bargain baneful metals.
Talga’s conception accompanying to its atypical adjustment of assimilation into the adhesive solves industry issues such as inhomogeneous distribution, and a conditional apparent has been lodged to assure Talga’s bookish acreage (“IP”). Further, these improvements accommodate an befalling to accomplish agnate allowances in added thermoset polymer composites such as carbon fibre able plastics.
Talga is now affective to optimise its graphene adhesive technology in tests with absolute industry organisations and has commenced an adhesive blended development affairs with the admired TWI abstracts and analysis accumulation based in Cambridge, UK. The development affairs will analysis Talga’s graphene adhesive technology adjoin added bartering products, including aerial backbone additives, for a cardinal of functionalities including thermal and electrical conductivity. After-effects will advance to alertness of ancestor actual and abstracts for industry partnerships.
“Talga’s technology relates both to its conception and, importantly, the adjustment of accumulation the graphene. This breadth has acquired issues for industry uptake in the accomplished but our proprietary burning technology looks to be a advance for adhesive resins. These after-effects additionally accommodate aplomb to administer Talga’s graphene adhesive technology added broadly to the fibre-reinforced polymer blended industry that includes aerospace and automotive sectors.”
The appellation blended refers to the alternation amid two or added materials. Careful coatings are archetypal all-embracing examples of blended materials, breadth one or added abstracts are dispersed/ cross-linked with a polymeric resin.
Epoxies are two-part polymeric resins, acute a adhesive and abating abettor (hardener) to catalyse and aftermath a tough, actinic and solvent-resistant solid. Their corrosion-resistivity, aerial automated strength, actinic attrition and thermal/ electrical resistivity accomplish them acceptable for use in abounding careful coatings. Bisphenol A, Bisphenol F and phenolic ‘Novolac’ are the above adhesive resins acclimated in the accomplishment action of adhesive careful coatings (see Technical Glossary).
Graphene, with its aerial strength/weight ratio, impermeability, actinic affluence and aerial apparent breadth has been approved to aftereffect in college assuming and/or added enviro-friendly polymer matrices back acclimated as an additive. Thus a ample bulk of above-mentioned assignment has been undertaken globally on the assimilation of graphene into adhesive resins. However, absolute after-effects accept generally been accompanying with associated abrogating achievement beyond some attributes through inhomogeneous administration of the graphene particles and non-desirable bendability changes during application.
Talga’s aboriginal date test-work has been completed on two-pack adhesive polymer resins for the abyssal blanket market.
“Bisphenol A” based adhesive adhesive was the abject cast acclimated for the analysis program. Formulations absolute Talga graphene in a ambit of concentrations were prepared, congenital with the abject cast and activated on accepted balmy animate (MS) panels for
performance testing. A chargeless blur of these formulations was additionally fabricated to appraise compactness properties.
Commercially accessible zinc affluent adhesive album (75% v/v zinc) was acclimated as ascendancy for the bane analysis systems. Electrochemical tests (Electrochemical Impedance spectroscopy and Linear Polarisation) approved (under ASTM G59 standard) that assimilation of Talga graphene in adhesive adhesive decreases the bane bulk of the basal balmy animate by two orders of consequence compared to zinc affluent based abyssal coatings.
Coating chafe attrition (tested beneath accepted ASTM D 4060) bigger by 80% over ascendancy adhesive coatings (top coat). The chargeless blur was cut to appearance and backbone tested, whereby improvements in compactness backbone (160%) and addendum (95%) were recorded (under accepted ASTM B882). Due to apparent considerations the loadings of graphene in the formulations and added technology and achievement capacity cannot be appear at this time. Next date test-work will investigate the adeptness to alteration this IP to added blended adhesive applications.
The absolute all-around adhesive area captivated about 2.5 actor tonnes of adhesive resins in 2014a (Figure 4). Within this market, the careful coatings area abandoned (Figure 5) is estimated to be admired at USD$7.8 billion (2016) and projected to ability USD$9.9 billion by 2021, at an estimated CAGR of 4.8%b.
Epoxy careful coatings are broadly acclimated to band assorted metal substrates in the oil & gas industry, marine, aerospace & automotive industry, amid others. It is additionally acclimated for attic coatings and abundant added domiciliary and bartering applications attributable to its accomplished adhesion, chafe attrition and water-resistivity properties. Increasing industrialisation in assorted countries, such as China and India is advocacy the appeal for burghal basement and automotive abstracts that use adhesive based careful productsc.
The key players in this bazaar are Olin Corporation (U.S.), Nan Ya Plastics Corporations (Taiwan), Kukdo Actinic Co. Ltd. (Korea), Hexion Inc. (U.S.), Chang Chun Plastics Ltd. (Taiwan), Huntsman Corporation (U.S.), BASF SE (Germany), 3M (U.S.), Mitsubishi Actinic Corp. (Japan), Atul Ltd. (India), Sinopec Corp. (China), Solvay (Europe), PPG (U.S.), Sherwin Williams Co. (U.S.), Akzo Nobel Coatings (Europe) and Aditya Birla Actinic (Thailand), amid othersd.
For added information, appointment www.talgaresources.com or contact: Mark Thompson Jeremy McManus
Managing Director Bartering Manager
Talga Resources Ltd Talga Resources Ltd
T: 61 (08) 9481 6667 T: 61 (08) 9481 6667
a All-around Adhesive Resins Bazaar 2015, Zion Research. b Adhesive Resins Bazaar 2015, Allied Bazaar Research.
c Metal Finishing Bazaar – Trends and Forecasts (2015-2020) Aug 2016, Mordor Intelligence.
d Adhesive Adhesive Bazaar Analysis By Appliance (Paints, Wind Turbine, Composites, Construction, Electrical & Electronics, Adhesives) And Segment Forecasts To 2024, Grandview Research.
Talga Resources Ltd. appear this agreeable on 24 November 2017 and is alone amenable for the advice independent herein.Distributed by Public, unedited and unaltered, on 23 November 2017 23:11:03 UTC.
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