PMMA (Polymethylmethacrylate )

 
Formula chimica PMMA

Polymethylmethacrylate (PMMA) is a thermoplastic material formed by polymers of methyl methacrylate, methyl acid methyl ester. It is also commonly referred to using the trade name Plexiglas. From a commercial point of view it is the most important polymer in the acrylic group. It offers excellent chemical and weather resistance. It is a transparent thermoplastic material very similar to Polycarbonate which is used when high impact strengths are not necessary.

Chemical Formula PMMA: (C5H8O2)n
CAS Number PMMA: 9011-14-7
Chemical Name PMMA (IUPAC): poly(methyl methacrylate)
Recycling Code PMMA: number 7
Recycling Symbol PMMA: simbolo riciclo PMMA

PMMA Commercial names and producers:

 

  • Acryrex (Chi Mei)
  • Altuglas (Altuglas)
  • Anjacryl (almaak international)
  • Degalan (Degussa-Rohm)
  • Diakon (Lucite)
  • Gebacryl (Geba)
  • Lucite (Lucite)
  • LG PMMA (LG MMA)
  • Lucryl (lucite)
  • Plexiglas (Evonik)
  • Polyplex (polykemi)
  • Riaglas (Ria-Polymers)
  • Solarkote (Arkema)
  • Plexalloy (Evonik)
  • Cyrex (Cyro)

PMMA European Distributors:

 

  • BIGLER (Altuglas)
  • Schulman (Ronfalin, Polyman)
  • Mega Polymers (Altuglas, Plexiglas)
  • PolyOne (Altuglas, Plexiglas)
  • ALBIS (Alcom, Diakon, Elvakon, Altech)
  • Biesterfield (Acryrex)
  • Nexeo (Acrylite, Cyrolite, Optix)
  • RESINEX (Altuglas)
  • Ultrapolymers (Plexiglas, Sumipex, Diakon)
  • TER Plastics (Acryl, Plexiglas)

Main compound PMMA:

 

  • PMMA/ABS
  • PMMA/PC
 

Chemical and physical properties:

The formulas vary based on the molecular weight and the required physical properties, such as flow rate, heat resistance and strength. This material is more or less unbreakable depending on its chemical characteristics. High-flow formulas are preferred for molding.

PMMA has excellent optical properties and excellent resistance to atmospheric agents. Transparency in white light reaches 92%, even more than glass. Unlike PC it is very resistant to UV rays and doesn't turn yellow. The molded parts can present a limited bi-refraction, so PMMA proves itself to be a suitable material for video discs. Similar to PMMA is PMA polymethylacrylate which presents as a soft rubber.

PMMA standard density: 1,17 - 1,20 g/cm3 (ISO 1183)
PMMA melting point Tm: 105-160 °C
PMMA glass transition temperature Tg: 80-105 °C

 

PMMA market applications

 

  • Automotive
  • Construction
  • Lighting
  • Audio
  • Glasses
  • Optical
  • Medical

PMMA transformation technologies

 

  • Injection molding
  • Compression molding
  • Extrusion
  • Casting
 

History and Trivia on PMMA:

On the market since 1932, this polymer was of utmost importance during the Second World War when it was used for aircraft glass and submarines. Today it is used in many fields such as aquariums, medical transplants, cosmetic surgery.
Thanks to its very high transparency and its low cost, it has succeeded in many applications to replace glass..
It is curious that the commercial name of Plexiglass - a product developed by the company Evonik in 1933 and still in production today - is better known than the name of the material (PMMA).

 

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Polymer

PMMA polymethylmethacrylate (acrylic) plexiglass

First choice - virgin QUALITY-PRIME QUALITY-PRIME

PLEXIGLAS 8N
granule/pellet Red - 33701 2500 Kg octabin 2.94 €/Kg

Polymer

PMMA polymethylmethacrylate (acrylic) plexiglass

First choice - virgin QUALITY-PRIME QUALITY-PRIME

PLEXIGLAS 8N
granule/pellet Red - 33721 997 Kg octabin 3.05 €/Kg

Polymer

PMMA polymethylmethacrylate (acrylic) plexiglass

First choice - Slow moving QUALITY-PRIME QUALITY-PRIME

LG IH830C
granule/pellet Black 2842 Kg bags on pallet 2.00 €/Kg

Polymer

PMMA polymethylmethacrylate (acrylic) plexiglass

Recycled /Regrinded QUALITY-RECYCLED QUALITY-RECYCLED

PLEXIGLAS 8N
cubic granule/pellet Black 12000 Kg bigbag 1.000-1.100 kg 1.65 €/Kg

Polymer

PMMA polymethylmethacrylate (acrylic) plexiglass

Recycled /Regrinded QUALITY-RECYCLED QUALITY-RECYCLED

PLEXIGLAS 8N
regrinded Transparent 650 Kg octabin 1.60 €/Kg

Polymer

PMMA polymethylmethacrylate (acrylic) plexiglass

First choice - Slow moving QUALITY-PRIME QUALITY-PRIME

Diakon Frost 952 80
granule/pellet Natural / Neutral 3050 Kg bags on pallet 2.10 €/Kg

Polymer

PMMA polymethylmethacrylate (acrylic) plexiglass

First choice - Slow moving QUALITY-PRIME QUALITY-PRIME

PLEXIGLAS 8N DF22
granule/pellet Natural / Neutral 975 Kg bags on pallet 2.90 €/Kg

Polymer

PMMA polymethylmethacrylate (acrylic) plexiglass

Recycled /Regrinded QUALITY-RECYCLED QUALITY-RECYCLED

DAFNELOY DA8
regrinded smoke transparent 3000 Kg bigbag 1.000-1.100 kg 1.25 €/Kg
 

Polymer

PMMA polymethylmethacrylate (acrylic) plexiglass

PLEXIGLAS 8N

2500 Kg 2.94 €/Kg

Polymer

PMMA polymethylmethacrylate (acrylic) plexiglass

PLEXIGLAS 8N

997 Kg 3.05 €/Kg

Polymer

PMMA polymethylmethacrylate (acrylic) plexiglass

LG IH830C

2842 Kg 2.00 €/Kg

Polymer

PMMA polymethylmethacrylate (acrylic) plexiglass

PLEXIGLAS 8N

12000 Kg 1.65 €/Kg

Polymer

PMMA polymethylmethacrylate (acrylic) plexiglass

PLEXIGLAS 8N

650 Kg 1.60 €/Kg

Polymer

PMMA polymethylmethacrylate (acrylic) plexiglass

Diakon Frost 952 80

3050 Kg 2.10 €/Kg

Polymer

PMMA polymethylmethacrylate (acrylic) plexiglass

PLEXIGLAS 8N DF22

975 Kg 2.90 €/Kg

Polymer

PMMA polymethylmethacrylate (acrylic) plexiglass

DAFNELOY DA8

3000 Kg 1.25 €/Kg