asteroza + coating   121

Allegedly they have recreated the formula for the legendary Starlite insulator ...
Starlite  insulator  insulation  surface  coating  materials  science  research  technology 
august 2019 by asteroza
Huawei Sting Offers Rare Glimpse of U.S. Targeting Chinese Giant - Bloomberg
The article kinda lightly brushed over this, but where is Huawei/it's associates getting a 100KW laser for such destructive testing?
diamond  thin  film  coating  industrial  espionage  Huawei 
february 2019 by asteroza
Broadband Light Management with Thermochromic Hydrogel Microparticles for Smart Windows: Joule
Using 500nm thermochromic nanoparticles to turn glass frosty at 85F, and reject outside IR heat. So if it gets warm, a window can turn transluscent to stop solar heating.
thermochromic  IR  filter  window  surface  coating  materials  science  research  technology  hydrogel  thin  film 
november 2018 by asteroza
A comparison of the antifouling performance of air plasma spray (APS) ceramic and high velocity oxygen fuel (HVOF) coatings for use in marine hydraulic applications: Biofouling: Vol 34, No 5
Still kinda expensive to do a whole ship hull, but this basically uses a supersonic flamethrower to treat a metal surface with a carbide layer for biofouling protection, cuts fouling by 50% or more.
marine  materials  science  research  technology  carbide  surface  treatment  antifouling  coating  high  velocity  oxygen  fuel  plasma  spray 
october 2018 by asteroza
Hierarchically porous polymer coatings for highly efficient passive daytime radiative cooling | Science
New cheapish polymer coating to make a narrowband IR emitter that pumps through the LWIR atmospheric transmission window. So something can be cooled by exposing it to the sky.
passive  daytime  radiative  cooling  narrowband  emitter  IR  materials  science  research  technology  polymer  surface  coating  air  void  phase  inversion 
october 2018 by asteroza
Therapeutic luminal coating of the intestine | Nature Materials
Similar to gastric bypass surgery remove a segment of GI tract, or similar tubular net like structures inserted after the stomach, they effectively block nutrient absorption. So, the idea here is, make a pill that can temporarily coat the GI tract to block nutrient uptake. No need for heavy surgery and no risk of a mesh tube getting dislodged, but you need to take the pill regularly.
diabetes  treatment  gastrointestinal  tract  surface  coating  block  health  medicine  research 
june 2018 by asteroza
Titomic - Industrial Scale Additive Manufacturing, 3D Printing, Titanium, Innovative, Melbourne, Australia
Using supersonic metal particle sprays to get get powder fusion via kinetic impact, not too far from older metal cold spraying techniques. Not using bulk heating so less likely to have warped parts from SLS/SLM methods. Doing aerospace grade titanium, with an ITAR compliance area as well?
Australia  3D  printing  fabbing  manufacturing  printer  fabber  metal  powder  supersonic  cold  spray  coating 
may 2018 by asteroza
OSA | Achieving cryogenic temperatures in deep space using a coating
FISO briefing has more, but a pressed powder of BaF2 used for tank coating and thermal standoffs for a LOx tank in space might allow storage of LOx without a crycooler (with the risk of LOx freezing out in deeper space!) due to reradiation
BaF2  heat  rejection  optical  surface  coating  thermal  management  cyrogenic  materials  science  research  technology  tank  space 
january 2018 by asteroza
An In Vivo Formed Solid Electrolyte Surface Layer Enables Stable Plating of Li Metal: Joule
Adding phosphorous and sulfur to the liquid electrolyte to form a protective coating on electrodes can inhibit lithium dendrite formation, improving battery capacity
energy  storage  lithium  battery  materials  science  research  technology  phosphorus  sulfur  coating  membrane  dendrite  supression 
december 2017 by asteroza
Pure lead cooled (not eutectic) uranium oxide reactor design, using new aluminum coating for the coolant systems
Sweden  uranium  oxide  lead  cooled  nuclear  reactor  power  generator  materials  science  research  technology  aluminum  surface  coating  metal  corrosion  resistance 
november 2017 by asteroza
Radiative cooling of solar absorbers using a visibly transparent photonic crystal thermal blackbody
Uses the IR window reradiation trick to cool an object by cooling towards space, as space is a heatsink.
photonic  crystal  IR  radiative  cooling  surface  coating  materials  science  research  technology  solar  cell  Delicious 
september 2015 by asteroza
Cleaning of Oil Fouling with Water Enabled by Zwitterionic Polyelectrolyte Coatings: Overcoming the Imperative Challenge of Oil–Water Separation Membranes - ACS Nano (ACS Publications)
So covering a steel mesh in a weird polymer makes a decent oil\water separation membrane that can be clened just by running water through in reverse. Seems usable for ocean crude oil spill cleanup.
zwitterionic  polyelectrolyte  polymer  surface  coating  oil  separation  membrane  materials  science  research  technology  Delicious 
september 2015 by asteroza
A Subambient Open Roof Surface under the Mid-Summer Sun - Gentle - 2015 - Advanced Science - Wiley Online Library
Interesting new surface coating that absorbs little heat, rejects what does get absorbed in IR, resulting in a roof cooler than ambient.
composite  polymer  silver  stack  surface  coating  materials  science  research  technology  cooling  IR  heat  rejection  Delicious 
june 2015 by asteroza
Monolithic graded-refractive-index glass-based antireflective coatings: broadband/omnidirectional light harvesting and self-cleaning characteristics - Journal of Materials Chemistry C (RSC Publishing)
So, new surface coating technique that uses nanostructures to achieve a superhydrophobic effect, rather than polymer or powder surface coating, that is also much more abrasion resistant. Also conveniently antireflective.
materials  scienceresearch  technology  nanotechnology  nanostructure  superhydrophobic  hydrophobic  surface  coating  microstructure  antireflective  Delicious 
may 2015 by asteroza
European Space Agency Awards €500k for New Cold Spray 3D Printing Technology
Interesting, using cold helium to increase the speed of sound of the neutral carrier gas for a metal powder spray, so it uses impact bonding rather than some kind of laser heating.
3D  printing  fabbing  manufacturing  technique  supersonic  titanium  particle  powder  cold  spray  coating  helium  carrier  gas  metal  Delicious 
january 2015 by asteroza
Artificial spleen cleans up blood
Nanobeads coated with MBL proteins can capture assorted bacteria/fungi, then the beads can be sifted out of blood using magnets, effectively cleansing blood of infection.
artificial  speel  biospleen  blood  cleaning  filter  nanobead  protein  coating  capture  health  medicine  Delicious 
september 2014 by asteroza
Color Change Technology
Possible use of thermochromic roofing tiles to reduce heat island effects and change thermal profiles of building roofs in summer/winter.
color  change  surface  coating  thermochromic  photochromic  pressure  water  sensitive  textile  materials  science  research  technology  ink  Delicious 
september 2014 by asteroza
Heteroatom-doped highly porous carbon from human urine : Scientific Reports : Nature Publishing Group
So, um ,wizzing on a slice of coal and slow baking it might make a better fuel cell catalyst than platinum? I wonder if they controlled for diet, since typical korean fare may result in a very different volatile ratio from western food, plus what types of booze. Reminds me of that red wine superconductor research.
fuelcell  catalyst  materials  science  research  technology  urine  surface  coating  pretretment  porous  carbon  electrode  electrocatalyst  Delicious 
june 2014 by asteroza
Starlite - Wikipedia, the free encyclopedia
If the family knows the composition/recipe, but no longer have the skills to make it themselves, why not release it publicly or at least sell it to somebody?
coating  technology  surface  thermal  research  heat  science  barrier  england  materials  starlite  shield  management  Delicious 
october 2013 by asteroza
Bioinspired Surfaces with Dynamic Topography for Active Control of Biofouling - Shivapooja - 2013 - Advanced Materials - Wiley Online Library
Work on making a paint that can wrinkle on demand via electrical stimulus, throwing off the beginning biofilm layer on a ships hull to prevent the later establishment of barnacles and other fouling marine life.
dynamic  coating  marine  technology  surface  biofouling  ship  paint  elastomer  transportation  hull  deformation  research  biomimicry  science  wrinkle  topography  pattern  materials  antifouling  active  Delicious 
february 2013 by asteroza
Keeping ship hulls free of marine organisms - Research News December 2012 - Topic 3
Interesting antifouling setup using variable low power current electrolysis of seawater via conductive hull paint to create changing local pH values, which annoys biofouling marine organisms enough to keep them from attaching themselves. Really useful for fiberglass yachts potentially, which frequently feature solar panels, though how that will change the corrosion aspects of other metal parts like propellers will be an issue.
balance  pH  coating  surface  technology  boat  yacht  ship  marine  paint  hull  nanoparticle  nanocomposite  conductive  biofouling  antifouling  electrochemical  Fraunhofer  Delicious 
december 2012 by asteroza
NBD | Home
Building essentially solid state fog/dew/atmospheric humidity water harvesters using special surface coatings mimicking desert beetles. Now you too can be a Star Wars moisture farmer!
texture  pattern  micropattern  dehumidifier  agriculture  camping  hardware  gear  survival  coating  surface  nanotechnology  technology  research  science  materials  harvestor  water  dew  humidity  atmospheric  textured  nanotextured  hydrophillic  hydrophobic  biomimicry  Delicious 
november 2012 by asteroza - Carbon - Protecting copper from electrochemical degradation by graphene coating
Continuing research into improved corrosion resistance in steel, it appears graphene surface coated copper also has corrosion resistance improvements
metal  surface  coating  graphene  materials  science  research  technology  corrosion  resistance  nanotechnology  Delicious 
october 2012 by asteroza
Lilliputian Systems
Silicon wafer based SOFC, claiming 40% direct chemical to electrical efficiency. Apparently Brookstone will be carrying the SOFC as a portable charger pack for small electronics like cellphones. Uses butane apparently, so is aircraft approved, and relatively easy to get replacement fuel (conventional lighter butane ought to work). Wonder how it operates on natural gas, which isn't pure methane...
silicon  wafer  SOFC  solid  oxide  fuelcell  thin  film  surface  coating  materials  science  research  technology  compact  small  form  factor  power  generator  green  energy  butane  Delicious 
may 2012 by asteroza
Spray On Kit
Apparently this is the real deal, a nanoparticle/nanocapacitor suspension paint. A spray on paint kit to create either a conformal antenna or to enhance an existing antenna. They painted a tree and were able to send VHF signals 14 miles. Boosting existing antennas is anywhere from 10% to 40% (40% was 20dBm for an iPhone 3 test). The videos also talk about potential uses in other EMF applications, such as (?AC) electric motor windings.
surface  aftermarket  spray  coating  antenna  booster  paint  conformal  military  communications  technology  iPhone  kit  nanoparticle  particle  suspension  colloid  capacitor  nanocapacitor  materials  science  research  nanotechnology  Delicious 
february 2012 by asteroza
NASA - NASA Develops Super-Black Material That Absorbs Light Across Multiple Wavelength Bands
So this might be useful for solar concentrator absorbers and space radiators (up to 750C in air maybe, up to 2800C in a vacuum), but maybe not so good for other applications.
carbon  nanotube  black  broadband  absorber  surface  coating  materials  science  research  technology  nanotechnology  optics  Delicious 
november 2011 by asteroza
[FPDI] Japanese Firm Develops 'Invisible Glass' -- Tech-On!
Interesting use of doublesided AR coatings to further suppress reflections off glass, using thin films. I wonder if this has applications in other large scale optics?
antireflective  reflection  suppression  double  sided  coating  thin  film  glass  materials  science  optics  research  technology  japan  Delicious 
november 2011 by asteroza
Brennan Research Group
Using diamond shaped pyramid nanostructure surface patterns, one can inhibit bacterial growth. applications include medical item sterility, and ship antifouling coatings.
Gator  Sharkote  ship  hull  antifouling  Sharklet  diamond  pyramid  nanostructure  nanopattern  surface  treatment  coating  antibacterial  health  medicine  Delicious 
september 2011 by asteroza
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