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445746

Sigma-Aldrich

Poly(methyl methacrylate)

average Mw ~350,000 by GPC

Sinonimo/i:

PMMA

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25 G
73,90 €
500 G
308,00 €
1 KG
503,00 €

73,90 €

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Cambia visualizzazione
25 G
73,90 €
500 G
308,00 €
1 KG
503,00 €

About This Item

Formula condensata:
[CH2C(CH3)(CO2CH3)]n
Numero CAS:
9011-14-7
Numero MDL:
MFCD00134349
Codice UNSPSC:
12162002
ID PubChem:
24868198
NACRES:
NA.23

73,90 €

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Stato

powder

Livello qualitativo

100

Temp. autoaccensione

580 °F

PM

average Mw ~350,000 by GPC

Viscosità ridotta

150-160 cm3/g(20 °C)(lit.)

Numero di acido

<1 mg KOH/g

Temp. transizione

Tg (DSC) 105 °C (midpoint)

Solubilità

alcohols and aliphatic hydrocarbons: insoluble
esters, ketones, aromatics and glycol ethers: soluble

Densità

1.17 g/mL at 25 °C

InChI

1S/C5H9O2/c1-4(2)5(6)7-3/h1-3H3
PMAMJWJDBDSDHV-UHFFFAOYSA-N

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Descrizione generale

The thermal degradation behaviour of PMMA ( avg Mol. wt. ~350,000 g mol-1)was investigated in inert atmosphere, four weight loss steps were observed.[1]

Applicazioni

PMMA (avg. Mol wt. ~350,000 g mol-1) containing Fe2O3 and TiO2 fillers have possible uses as flame retardants.[2]
Pigment-wetting binder for coatings.

Caratteristiche e vantaggi

Contributes hardness, weather resistance, light fastness and resistance to chemicals.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

nwg

Dispositivi di protezione individuale

Eyeshields, Gloves, type N95 (US)

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Certificati d'analisi (COA)

Lot/Batch Number
MKCV7006
0000289898
0000237733
0000289898
0000237733

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Supelco

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Sigma-Aldrich

900443

Monolayer graphene film

Thermal degradation of poly (methyl methacrylate)(PMMA): modelling of DTG and TG curves.
Ferriol M., et al.
Polymer Degradation and Stability, 79(2), 271-281 (2003)
Influence of TiO2 and Fe2O3 fillers on the thermal properties of poly (methyl methacrylate)(PMMA).
Laachachi A.,et al.
Material Matters, 59(1), 36-39 (2005)
Distortions of iris and anterior lens capsule OCT images by ICRS.
Hosik Hwang et al.
Journal of refractive surgery (Thorofare, N.J. : 1995), 29(3), 155-156 (2013-03-01)
Angelo Accardo et al.
Nanoscale, 5(6), 2295-2299 (2013-02-22)
Drops of exosome dispersions from healthy epithelial colon cell line and colorectal cancer cells were dried on a superhydrophobic PMMA substrate. The residues were studied by small- and wide-angle X-ray scattering using both a synchrotron radiation micrometric beam and a
Bo Chen et al.
Journal of controlled release : official journal of the Controlled Release Society, 140(3), 203-209 (2009-05-26)
Water-soluble polymers for the delivery of chemotherapeutic drugs passively target solid tumors as a consequence of reduced renal clearance and the enhanced permeation and retention (EPR) effect. Elimination of the polymers in the kidney occurs due to filtration through biological
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Domande

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  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 risposta

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

      Utile?

  2. How can I determine the shelf life / expiration / retest date of this product?

    1 risposta

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

      Utile?

  3. Welcher Initiator wurde für die Polymerisation verwendet?

    1 risposta

    1. Details around the synthesis and/or preparation are considered proprietary.

      Utile?

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