Acrylic: Difference between revisions

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*6 Square feet - $3/sf + shipping - [https://www.amazon.com/Acrylic-Plexiglass-Plastic-Sheet-24/dp/B00C13ZSBA/ref=pd_lpo_328_bs_t_2?_encoding=UTF8&psc=1&refRID=8HZVQQ2WDAFTW5947B19]
=Basics=
*A Common thermoplastic
*Also known as:
**Poly(methyl methacrylate)
**PMMA
**acrylic glass
**plexiglass
**the trade names Crylux, Plexiglas, Acrylite, Astariglas, Lucite, Perclax, and Perspex
*Is often clear
*Is also a waste product from some sites (offcuts from laser cutters etc)
*Can also be made into a [[Bubblegram]] which only it, and glass can do
*VERY easy to work with:
**Can be laser cut if in sheet form
**Melts ~160 °C near [[PLA]] and [[ABS]]
**Doesn'thave the hydrolysis issues of [[PET]]
*Altogether GREAT material
*It is a plastic, but supposedly some organisms may be evolving to break it down:
**From wikipedia:
***The Futuro house was made of fibreglass-reinforced polyester plastic, polyester-polyurethane, and poly(methylmethacrylate); one of them was found to be degrading by cyanobacteria and Archaea
 
=Sourcing=
*Black, Ebay, $5/sf, 1/8" - [https://www.ebay.com/itm/Black-Plexiglass-Cast-Acrylic-Sheet-24-X-24-X-1-8/272404858742?_trkparms=aid%3D222007%26algo%3DSIM.MBE%26ao%3D2%26asc%3D44040%26meid%3D5da40f06dd64434084e3d81e3e77d112%26pid%3D100005%26rk%3D6%26rkt%3D6%26mehot%3Dpp%26sd%3D121932914969%26itm%3D272404858742&_trksid=p2047675.c100005.m1851]
*Menards 3 sf, 0.08 - $3/sf - [https://www.menards.com/main/building-materials/acrylic-glass-sheeting/shape-products-reg-clear-colorless-acrylic-sheets/11g0670a/p-1444441876317.htm]
*6 Square feet - $6/sf + shipping - [https://www.amazon.com/Acrylic-Plexiglass-Plastic-Sheet-24/dp/B00C13ZSBA/ref=pd_lpo_328_bs_t_2?_encoding=UTF8&psc=1&refRID=8HZVQQ2WDAFTW5947B19]
*$23/sq ft, 1/4" - [https://www.interstateplastics.com/Acrylic-Clear-Cast-Paper-masked-Sheet-ACRCLCPSH.php?sku=ACRCLCPSH&vid=20170130223850-8p&dim2=12&dim3=12&thickness=0.236&qty=1&recalculate.x=0&recalculate.y=0]
*$23/sq ft, 1/4" - [https://www.interstateplastics.com/Acrylic-Clear-Cast-Paper-masked-Sheet-ACRCLCPSH.php?sku=ACRCLCPSH&vid=20170130223850-8p&dim2=12&dim3=12&thickness=0.236&qty=1&recalculate.x=0&recalculate.y=0]
*$9/sf - 1/4" - https://www.mcmaster.com/#acrylic/=1653xn3
*$9/sf - 1/4" - https://www.mcmaster.com/#acrylic/=1653xn3
*2x4 - 1/8" - $37 - [https://www.mcmaster.com/8589k44]
*$6/sf - 1/4" - https://www.menards.com/main/building-materials/acrylic-glass-sheeting/clear-colorless-acrylic-sheets/p-1444441881915.htm
*$4/sf - 0.1" - Sutherlands - [https://sutherlands.com/products/item/1017342/Plaskolite-Optix-Crystal-Clear-Acrylic-Polyfilm-18x24x1]
=Notes=
*You can get 1/32" polycarbonate, 4x8 sheets, at about $70. This is about $2/sf. Would need appropriate structural support, but otherwise it's pretty much indestructible.
=Production=
*Varying methods
*The main route seems to be [[Methyl methacrylate]] + A [[Polymerization Catalyst]] such as methyl ethyl ketone peroxide (MEKP)
**This is mainly done for "casting" the artificial "resin", but could perhaps be done in a reactor for producing solid string-ey product, for further refining into FDM Filament or Plastic Pellets
*The "easiest" to do seems to be the various "Methyl propionate routes"
**Uses  carboalkoxylation of ethylene to produce methyl propionate (MeP)
**Followed by  the MeP being condensed with formaldehyde in a single heterogeneous reaction step to form MMA
*So needs:
**[[Ethylene]]
**[[Formaldehyde]]
=Internal Links=
*[[Laser Cutter]]
*[[Laser Diode Toolhead]]
*
=External Links=
*[https://en.wikipedia.org/wiki/Poly(methyl_methacrylate) The Wikipedia Page on Acrylic]

Latest revision as of 00:59, 20 May 2020

Basics

  • A Common thermoplastic
  • Also known as:
    • Poly(methyl methacrylate)
    • PMMA
    • acrylic glass
    • plexiglass
    • the trade names Crylux, Plexiglas, Acrylite, Astariglas, Lucite, Perclax, and Perspex
  • Is often clear
  • Is also a waste product from some sites (offcuts from laser cutters etc)
  • Can also be made into a Bubblegram which only it, and glass can do
  • VERY easy to work with:
    • Can be laser cut if in sheet form
    • Melts ~160 °C near PLA and ABS
    • Doesn'thave the hydrolysis issues of PET
  • Altogether GREAT material
  • It is a plastic, but supposedly some organisms may be evolving to break it down:
    • From wikipedia:
      • The Futuro house was made of fibreglass-reinforced polyester plastic, polyester-polyurethane, and poly(methylmethacrylate); one of them was found to be degrading by cyanobacteria and Archaea

Sourcing

Notes

  • You can get 1/32" polycarbonate, 4x8 sheets, at about $70. This is about $2/sf. Would need appropriate structural support, but otherwise it's pretty much indestructible.

Production

  • Varying methods
  • The main route seems to be Methyl methacrylate + A Polymerization Catalyst such as methyl ethyl ketone peroxide (MEKP)
    • This is mainly done for "casting" the artificial "resin", but could perhaps be done in a reactor for producing solid string-ey product, for further refining into FDM Filament or Plastic Pellets
  • The "easiest" to do seems to be the various "Methyl propionate routes"
    • Uses carboalkoxylation of ethylene to produce methyl propionate (MeP)
    • Followed by the MeP being condensed with formaldehyde in a single heterogeneous reaction step to form MMA
  • So needs:

Internal Links

External Links

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