Invesco Trust for New York Investment Grade Municipals
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Company profile

Invesco Trust for Investment Grade New York Municipals (the Trust) is a diversified, closed-end management investment trust. The Trust's investment objective is to provide common shareholders with a high level of current income exempt from federal, as well as from New York State and New York City income taxes, consistent with preservation of capital. Under normal market conditions, the Trust will invest over 80% of its total assets in New York municipal securities rated investment grade at the time of investment. Its investment advisor is Invesco Advisers, Inc. (Adviser). The Trust may invest up to 20% of its total assets in municipal securities rated on investment-grade or that are unrated but determined by the Adviser to be of comparable quality at the time of purchase.

Closing Price
$10.64
Day's Change
0.005 (0.05%)
Bid
--
Ask
--
B/A Size
--
Day's High
10.67
Day's Low
10.59
Volume
(Heavy Day)
Volume:
63,076

10-day average volume:
49,362
63,076

Zentek Provides Update on Icephobic Coating Technology

8:01 am ET September 19, 2022 (Accesswire) Print

GUELPH, ON / ACCESSWIRE / September 19, 2022 / Zentek Ltd. ("Zentek" or the "Company") (Nasdaq:ZTEK)(TSX-V:ZEN), an intellectual property development and commercialization company, has successfully completed sand erosion testing at the National Research Council ("NRC") in Ottawa and rain erosion testing at the Anti-icing Materials International Laboratory ("AMIL") in Quebec on Zentek's patent-pending Icephobic Coatings. These results, when taken with the strong performance under accelerated ageing announced March 14, 2022, demonstrate that the company's icephobic technology is durable in adverse conditions for both wind turbine and drone industries, where Zentek is currently maintaining its focus.

Summary of overall results to date as reported by the NRC and AMIL:

  • As reported in November 2021, icephobicity tests at the NRC yielded strong and consistent results with an average shear stress of 20 kPa required to passively remove ice accretion (results under 100 kPa are considered to demonstrate low adhesion). Retesting a year later yielded the same results, demonstrating strong stability.
  • Flight tests in real-world icing conditions demonstrated good performance of Zentek's coating, with results indicating retardation of ice accretion (icephobicity) and low adhesion to accreted ice.
  • 1,000 hours of UV exposure, equivalent to two years of UV damage in Canada, slightly increased the ice adhesion properties to 43 kPa, which is still considered to be an effective coating in removing ice.
  • Sand erosion testing demonstrated medium to good performance at a high speed of 540 km/h.
  • Rain erosion testing at AMIL demonstrated good performance at 160 km/h and 320 km/h based on our interpretation, speeds at which the leading edge of wind turbines blade tips are exposed.
  • NRC drone testing demonstrated consistent results of maintaining control of rotor thrust in icing conditions while uncoated blades failed to maintain thrust in the same indoor controlled environment.
  • NRC is preparing for outdoor, real-world environment testing of drone rotor blades with Zentek's icephobic coating this winter.
  • AMIL is testing the performance of Zentek's coating on a small wind turbine in an indoor controlled environment.

"We are very happy with both the performance and durability test results for our icephobic coating and look forward to continued testing and demonstration of our technology," said Greg Fenton, CEO of Zentek. "Ice accretion is a significant problem in the drone and wind turbine industries with few robust solutions currently available. We believe our patent-pending technology may be a new innovative approach to addressing a significant global need and look forward to continued discussions with drone and wind turbine market participants who see value in potentially more effective icephobic technologies."

Zentek has filed a full patent application with the Patent Cooperation Treaty, the international patent office, on August 2nd, 2022, for Nanomaterial-Enhanced Elastomer for Passive Ice Accretion Prevention. The patent application will publish approximately 6 months from the date of filing, marking the beginning of the 12-month national phase for Zentek to apply directly in each country of interest.

About Zentek Ltd.

Zentek is an IP development and commercialization company focused on the research, development and commercialization of novel products using graphene and nanomaterials for use in the healthcare industry and beyond.

Zentek's proprietary ZenGUARDT coating is patent-pending and shown to have 99% antimicrobial activity, including against COVID-19, for use in PPE and potentially HVAC systems and other industries. Zentek's ZenGUARDT production facility is located in Guelph, Ontario.

For further information:

Tyler Dunn

Tel: (306) 717-6745

Email: tdunn@zentek.com

To find out more about Zentek Ltd., please visit our website at www.Zentek.com. A copy of this news release and all material documents in respect of the Company may be obtained on ZEN's SEDAR profile at http://www.sedar.com/.

Forward-Looking Statements

This news release contains forward-looking statements. Since forward-looking statements address future events and conditions, by their very nature they involve inherent risks and uncertainties. Although Zentek believes that the assumptions and factors used in preparing the forward-looking information in this news release are reasonable, undue reliance should not be placed on such information, which only applies as of the date of this news release, and no assurance can be given that such events will occur in the disclosed time frames or at all. Zentek disclaims any intention or obligation to update or revise any forward-looking information, whether as a result of new information, future events or otherwise, other than as required by law.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

SOURCE: Zentek Ltd.





View source version on accesswire.com:

https://www.accesswire.com/716411/Zentek-Provides-Update-on-Icephobic-Coating-Technology



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COMTEX_414789943/2457/2022-09-19T08:01:15

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