Styrene cements and construction

publiusr · Post by **publiusr** » Fri Oct 14, 2022 4:41 pm

mike robel · Post by **mike robel** » Sat Oct 15, 2022 6:00 pm

Bar wrote: ↑Fri Mar 02, 2007 12:53 pm
Mr. Badwrench wrote:Tenax and Ambroid are almost exactly the same. The active ingredient is methylene chloride.
I have heard this before. Is this the entire mix,or is there another ingredient?
I recall once reading that there was a certain chemical you could buy in gallon containers, and it would last forever as a styrene cement.
I thought i'd post this here for info.
I go through a lot of polystyrene cement, and i'm looking for a mix i can brush on when building up many layers in a short time.
Answers on a postcard to the usual address...
Bar.

I have not seen Ambroid or Tenax in ages.

Andrew Gorman · Post by **Andrew Gorman** » Sat Oct 15, 2022 10:38 pm

Plexiglas or Acrylic cement is about the same thing. My West Coast source is TAP Plastics.
https://www.tapplastics.com/product/rep ... XIQAvD_BwE

jpolacchi · Post by **jpolacchi** » Sun Oct 16, 2022 4:45 pm

You still need MEK to weld ABS together and California EPA dropped that solvent a long time ago.

Andrew Gorman · Post by **Andrew Gorman** » Sun Oct 16, 2022 5:11 pm

MEK has it's uses, but it is nasty stuff and stinks. Clear PVC primer is about 70% MEK and is available all over.

Rocketeer · Post by **Rocketeer** » Tue Oct 18, 2022 3:23 pm

mike robel wrote: ↑Sat Oct 15, 2022 6:00 pm I have not seen Ambroid or Tenax in ages.

The makers of Styrene Tack-It II claim that's it's reverse-engineered from Tenax; i.e, the same stuff. Smells about the same.

publiusr · Post by **publiusr** » Sat Oct 29, 2022 2:51 pm

Now we have plastic that is said to conduct electricity
https://phys.org/news/2022-10-scientist ... metal.html

This goes against all of the rules we know about for conductivity—to a scientist, it's kind of like seeing a car driving on water and still going 70 mph. But the finding could also be extraordinarily useful; if you want to invent something revolutionary, the process often first starts with discovering a completely new material.

"In principle, this opens up the design of a whole new class of materials that conduct electricity, are easy to shape, and are very robust in everyday conditions," said John Anderson, an associate professor of chemistry at the University of Chicago and the senior author on the study. "Essentially, it suggests new possibilities for an extremely important technological group of materials," said Jiaze Xie (Ph.D. '22, now at Princeton), the first author on the paper.

'There isn't a solid theory to explain this'

More conventional--
https://techxplore.com/news/2022-10-pri ... fruit.html

Safer synthesis
https://phys.org/news/2022-11-world-ind ... oform.html

polymers
https://phys.org/news/2022-08-molecular ... ymers.html
https://phys.org/news/2022-08-efficient ... based.html
https://phys.org/news/2022-08-chiral-po ... netic.html
https://phys.org/news/2022-08-plastic-u ... -fuel.html

Plastics
https://phys.org/news/2023-03-loop-circ ... cling.html
https://phys.org/news/2023-03-spray-on- ... enyan.html
https://phys.org/news/2023-03-opinion-b ... blems.html

southwestforests · Post by **southwestforests** » Sat Oct 29, 2022 3:03 pm

publiusr wrote: ↑Sat Oct 29, 2022 2:51 pm Now we have plastic that is said to conduct electricity
https://phys.org/news/2022-10-scientist ... metal.html

Interesting stuff indeed.

publiusr · Post by **publiusr** » Sat Dec 03, 2022 12:22 pm

More in the same vein

Looks like PVC plastic has been conquered:
https://phys.org/news/2022-11-recycling ... oride.html

Now, University of Michigan researchers, led by study first author Danielle Fagnani and principal investigator Anne McNeil, have discovered a way to chemically recycle PVC into usable material. The most fortuitous part of the study? The researchers found a way to use the phthalates in the plasticizers—one of PVC's most noxious components—as the mediator for the chemical reaction. Their results are published in the journal Nature Chemistry.

Cleaner photography
https://phys.org/news/2022-12-sustainab ... istry.html

Structural foams
https://phys.org/news/2022-12-carbon-na ... sions.html
https://phys.org/news/2022-11-scientist ... tubes.html
https://phys.org/news/2022-11-sustainab ... foams.html

Rainbow colors
https://phys.org/news/2022-11-gorgeous- ... ugars.html
https://phys.org/news/2022-12-oil-slick ... ysics.html

New resin-clay mix
https://phys.org/news/2022-12-lightweig ... -clay.html

Tech news
https://phys.org/news/2022-11-nanomecha ... ators.html
https://techxplore.com/news/2022-11-met ... ctors.html

publiusr · Post by **publiusr** » Sat Dec 17, 2022 4:29 pm

publiusr · Post by **publiusr** » Fri Feb 17, 2023 6:19 pm

Plastics and solvants
https://phys.org/news/2023-02-joule-tec ... ution.html
https://phys.org/news/2023-02-magic-sol ... -thin.html
https://techxplore.com/news/2023-02-pla ... arbon.html
https://phys.org/news/2023-02-zirconia- ... nable.html
https://phys.org/news/2023-02-abundant- ... ycled.html
https://phys.org/news/2023-02-carrots-g ... ymers.html
https://phys.org/news/2023-02-newly-cat ... asier.html

other materials
https://www.secretprojects.co.uk/thread ... 81/page-19
https://phys.org/news/2023-03-catalyst- ... ounds.html
https://www.sciencedaily.com/releases/2 ... 164724.htm

publiusr · Post by **publiusr** » Sat Mar 11, 2023 3:47 pm

publiusr · Post by **publiusr** » Sat Mar 25, 2023 12:00 pm

Here is a biggie----superglue can be a plastic:
https://phys.org/news/2023-03-superglue ... astic.html

crab shell optics
ttps://phys.org/news/2023-03-biodegradable-optical-components-crab-shells.html

A nice design tool
https://techxplore.com/news/2023-03-too ... saics.html
ttps://phys.org/news/2023-03-cultural-transmission-evolution-music.html

A robot that makes paper airplanes
https://techxplore.com/news/2023-03-rob ... lanes.html
https://techxplore.com/news/2023-03-rob ... -soft.html
ttps://techxplore.com/news/2023-03-biodegradable-artificial-muscles-green-field.html
ttps://techxplore.com/news/2023-03-yorkers-friendlier-robots-trash.html
ttps://techxplore.com/news/2023-03-mind-controlled-robots-reality.html

drone
https://techxplore.com/news/2023-03-hyb ... d-fly.html

coatings
https://phys.org/news/2023-03-mechanism ... tools.html
https://phys.org/news/2023-03-chemical- ... lfide.html

wood to clean out dye
https://phys.org/news/2023-03-wood-base ... water.html

inks
ttps://phys.org/news/2023-03-inkable-nanomaterial-big-benefits-bendable.html

hydrogen
https://phys.org/news/2023-03-composite ... rogen.html
ttps://phys.org/news/2023-03-smart-photosynthesis.html
ttps://techxplore.com/news/2023-03-photocatalyst-hydrogen-peroxide-oxygen.html
ttps://techxplore.com/news/2023-03-green-hydrogen-photoelectrochemical-competitive.html

On batteries
ttps://techxplore.com/news/2023-03-theory-convection-fast-batteries.html

plastic rocks
https://phys.org/news/2023-03-scientist ... astic.html

New foam
ttps://phys.org/news/2023-03-eco-friendly-foam-insulate-globe.html

glass
ttps://phys.org/news/2022-08-physics-glass-formation-clearer.html

Quantum light
ttps://phys.org/news/2023-03-scientists-door-quantum.html

publiusr · Post by **publiusr** » Fri Mar 31, 2023 2:43 pm

publiusr · Post by **publiusr** » Sat Apr 15, 2023 3:25 pm

Zubie · Post by **Zubie** » Sun Apr 16, 2023 3:27 pm

I backtracked the thread and there appears to be no real mention of this, although some people do mention their love (or is it just like?) of tamiya thin. I've seen a couple of videos promoting the use of tamiya's airbrush cleaner instead. Chemically there's only around a 2% difference between one and the other...i.e. a ratio of 51% to 49% butyl acetate to acetone or vice versa depending on which product you are talking about. Reviews seem to show the cleaner works pretty much as well as cement except tamiya's airbrush cleaner is way cheaper by volume than their cement.

I'd put a link, but quite frankly a quick youtube search for tamiya airbrush cleaner cement will bring up several videos on the subject.

publiusr · Post by **publiusr** » Sat May 06, 2023 3:31 pm

New way to "glue" without gluing
https://phys.org/news/2023-05-gluing-so ... rials.html

Mending metal and more
https://techxplore.com/news/2023-04-unm ... etals.html
https://phys.org/news/2023-04-quantum-s ... -atom.html
https://phys.org/news/2023-04-programma ... icity.html

Plastics
https://phys.org/news/2023-04-chemical- ... lades.html
https://phys.org/news/2023-04-bioplastics-industry.html
https://phys.org/news/2023-04-antimicro ... rfoam.html

"leather"
https://phys.org/news/2023-04-mycelium- ... erial.html

publiusr · Post by **publiusr** » Sat May 06, 2023 3:43 pm

Plastics
https://phys.org/news/2023-04-fungi-mea ... astic.html
https://phys.org/news/2023-04-recycling ... ances.html
https://phys.org/news/2023-04-tandem-ph ... -c2h4.html

plastic eaters
https://phys.org/news/2023-05-plastic-e ... ackle.html
https://techxplore.com/news/2023-05-sus ... rooms.html
https://phys.org/news/2023-05-advanced- ... ymers.html

fibers
https://techxplore.com/news/2023-05-tec ... smart.html

publiusr · Post by **publiusr** » Sat Jun 03, 2023 2:12 pm

More plastics news
https://phys.org/news/2023-06-discovery ... ymers.html

For 30 years, it had been accepted that when the reversible bonds remain intact, they act as crosslinkers, resulting in a rubbery material. But that's not what the UVA-led team found. The team found that the bonds can slow down polymer movement and dissipate energy without creating a rubbery network. Unexpectedly, the research showed that reversible interactions influence the polymers' glassy qualities rather than their viscoelastic range.

https://phys.org/news/2023-06-self-heal ... nsors.html
https://techxplore.com/news/2023-06-lay ... ously.html
https://phys.org/news/2023-06-ai-based- ... uence.html
ttps://phys.org/news/2023-05-3d-stretchable-electronics-advance-organ-on-chip.html
ttps://phys.org/news/2023-05-biocompatible-microfibers-basis-tissue.html
https://phys.org/news/2023-05-plasma-el ... bonds.html
ttps://phys.org/news/2023-05-forging-material-semiconductor-quantum-dots.html

Kirigami
https://techxplore.com/news/2023-06-kir ... rials.html
ttps://techxplore.com/news/2023-05-worm-inspired-robot-based-origami-magnetic.html

clean sheet
https://phys.org/news/2023-05-large-2d- ... -easy.html
https://phys.org/news/2023-05-materials ... balls.html
ttps://phys.org/news/2023-05-communities-reconsider-curbside-recycling.html

3D print wound bandage
https://medicalxpress.com/news/2023-06- ... g-pen.html
https://phys.org/news/2023-05-carbon-di ... inter.html
ttps://techxplore.com/news/2023-05-3d-material-invisible-technique.html

publiusr · Post by **publiusr** » Sun Jun 04, 2023 6:42 pm

publiusr · Post by **publiusr** » Fri Jun 23, 2023 4:27 pm

Plastics
https://phys.org/news/2023-06-physicist ... nical.html

Researchers from the UvA Institute of Physics and ENS de Lyon have discovered how to design materials that necessarily have a point or line where the material doesn't deform under stress, and that even remember how they have been poked or squeezed in the past. These results could be used in robotics and mechanical computers, while similar design principles could be used in quantum computers.

https://phys.org/news/2023-06-transpare ... overy.html
https://phys.org/news/2023-06-chemical- ... athin.html
https://phys.org/news/2023-06-black-bit ... ibers.html
https://phys.org/news/2023-06-combinati ... ecule.html

Polymers and materials
https://phys.org/news/2023-06-adding-we ... tance.html
https://phys.org/news/2023-06-clue-growth.html
https://phys.org/news/2023-06-scientist ... valve.html
https://phys.org/news/2023-06-x-ray-3d- ... nular.html

New tape
https://phys.org/news/2023-06-stronger- ... e-art.html
But what if you could make adhesives both strong and easily removable? This seemingly paradoxical combination of properties could dramatically change applications in robotic grasping, wearables for health monitoring, and manufacturing for assembly and recycling.

publiusr · Post by **publiusr** » Fri Jul 07, 2023 3:00 pm

On plastics
https://phys.org/news/2023-07-future-re ... astic.html

Label killer
https://phys.org/news/2023-07-industry- ... ssues.html

Stronger latex
https://phys.org/news/2023-07-crack-res ... latex.html

reflectives
https://phys.org/news/2023-07-liquid-cr ... shell.html

publiusr · Post by **publiusr** » Sat Jul 22, 2023 1:43 pm

publiusr · Post by **publiusr** » Fri Jul 28, 2023 1:02 pm

publiusr · Post by **publiusr** » Sat Aug 12, 2023 6:39 pm

More news
https://phys.org/news/2023-08-recycling ... onomy.html
https://phys.org/news/2023-09-newly-dee ... astic.html
https://phys.org/news/2023-09-biologypl ... aliva.html
https://phys.org/news/2023-09-genetical ... -life.html
https://phys.org/news/2023-09-microplas ... rates.html
ttps://phys.org/news/2023-09-scientists-self-healing-elastomer-flexible-electronics.html
https://phys.org/news/2023-09-plastic-chemicals.html

Slump
https://m.youtube.com/watch?v=EGStOleIiMQ
https://phys.org/news/2023-09-table-sal ... usable.amp
https://phys.org/news/2023-09-polyureth ... resins.amp

Graphene
ttps://phys.org/news/2023-09-dynamically-tune-friction-graphene.html
ttps://phys.org/news/2023-09-scientists-nanomaterials-bottom-up-approach.html
ttps://phys.org/news/2023-09-composite-2d-materials-fiber-lasers.html
ttps://techxplore.com/news/2023-09-sustainable-semiconductors-multielement-ink.html

Optics
ttps://phys.org/news/2023-09-achromatic-diffractive-liquid-crystal-optics-virtual.html

Clean surfaces
https://phys.org/news/2023-09-lethal-we ... onize.html

sponge battery
ttps://techxplore.com/news/2023-09-generating-small-amounts-electricity-luffa.html

publiusr · Post by **publiusr** » Sun Oct 08, 2023 12:54 am

publiusr · Post by **publiusr** » Sat Oct 28, 2023 1:25 pm

publiusr · Post by **publiusr** » Sat Nov 18, 2023 3:21 pm

publiusr · Post by **publiusr** » Sat Dec 02, 2023 9:19 pm

Recycling
https://phys.org/news/2023-11-boosting- ... ndards.amp
https://phys.org/news/2023-11-durable-p ... grades.amp
https://phys.org/news/2023-12-elastane- ... tiles.html
https://phys.org/news/2023-12-switchgra ... stics.html
https://phys.org/news/2023-12-polyethylene.html

https://www.acs.org/pressroom/presspacs ... ducts.html

Rainbows
https://phys.org/news/2023-12-chemists- ... iodes.html
https://phys.org/news/2023-12-exploring ... ality.html

Plastic repair and CURVES
https://m.youtube.com/watch?v=jJ-3yF025CU
https://m.youtube.com/watch?v=JFSEMtRu3-k

publiusr · Post by **publiusr** » Sat Jan 13, 2024 3:02 pm

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