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182230

Sigma-Aldrich

Poly(methyl methacrylate)

Sinónimos:

PMMA

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About This Item

Fórmula lineal:
[CH2C(CH3)(CO2CH3)]n
Número de CAS:
9011-14-7
MDL number:
MFCD00134349
UNSPSC Code:
12162002
PubChem Substance ID:
24850986
NACRES:
NA.23
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autoignition temp.

580 °F

Quality Level

100

impurities

may contain ≤2.0% toluene

refractive index

n20/D 1.49

inherent viscosity

0.20 dL/g(lit.)

transition temp

Tg (DSC) 105 °C (midpoint)

solubility

H2O: insoluble

density

1.188 g/mL at 25 °C

InChI

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

InChI key

PMAMJWJDBDSDHV-UHFFFAOYSA-N

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General description

Poly (methyl methacrylate) (PMMA) is an amorphous transparent thermoplastic polymer. PMMA is recognized as an optical polymer based on its refractive index of 1.49. Hence, it is used in optical fibers.[1]It finds uses in biological applications because of its lower water absorption capability and biocompatible.The maximum moisture content of PMMA is 1.71% and SBF absorption is 1.96%.Simulated Body fluid test (SBF) is a method to characterize the in vitro bioactivity of ceramic materials, by immersing the materials in an aqueous SBF solution.

Application

PMMA/HA (Hydroxyapatite) composites have been used in biomedical applications such as dentistry, orthopedic retainers, and bone replacement. It is used as substrate for graphene growth.[2]
Some studies report its use in
PMMA-titania hybrid optical thins films[1]
PMMA/polystryrene/clay nanocomposites[3]
PMMA/polyurethane/carbon black nanocomposites for methanol fuel cells[4]

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

ppe

Eyeshields, Gloves, type N95 (US)

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Certificados de análisis (COA)

Lot/Batch Number
0000364349
0000364326
0000364326
0000364349
0000142644

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Christian J F Bertens et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 150, 120-130 (2020-03-17)
Eye drops and ointments are the most prescribed methods for ocular drug delivery. However, due to low drug bioavailability, rapid drug elimination, and low patient compliance there is a need for improved ophthalmic drug delivery systems. This study provides insights
Synthesis of Ethylene Glycol Dimethacrylate-Methyl Methacrylate Copolymers, Determination of their Reactivity Ratios, and a Study of Dopant and Temperature Effects on their Conductivities
Ramelow US and Pingili S
Polymer, 2(3), 265-285 (2010)
Poly (methyl methacrylate) and polystyrene/clay nanocomposites prepared by in-situ polymerization.
Zeng C and Lee LJ
Macromolecules, 34(12), 4098-4103 (2001)
Jian-Chiun Liou et al.
Nanoscale research letters, 9(1), 1-1 (2014-01-02)
In this study, the Mo-electrode thin films were deposited by a two-stepped process, and the high-purity copper indium selenide-based powder (CuInSe2, CIS) was fabricated by hydrothermal process by Nanowin Technology Co. Ltd. From the X-ray pattern of the CIS precursor
High-refractive-index thin films prepared from trialkoxysilane-capped poly (methyl methacrylate)-titania materials
Lee LH, et al.
Chemistry of Materials, 13(3), 1137-1142 (2001)
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Questions

1–9 of 9 Questions  

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

    1 answer

    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

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

    1 answer

    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

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  3. Hi, it is suitable as a cement for bone holder?

    1 answer

    1. Unless otherwise stated, this product is intended for research use only. It is not suitable for any other purpose, which includes, but is not limited to, unauthorized commercial use, in vitro diagnostic use, or therapeutic use in humans or animals.

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  4. What is the Mw of Product 182230, Poly(methyl methacrylate)?

    1 answer

    1. The molecular weight is approximately 120 kDa.

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  5. What is the polydispersity of Product 182230, Poly(methyl methacrylate)?

    1 answer

    1. The polydispersity is typically between 2.0 and 2.4.

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  6. What is the composition of Product 182230, Poly(methyl methacrylate)?

    1 answer

    1. The composition is approximately 6% isotactic, 39% atactic, and 55% syndiotactic

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  7. What is the Department of Transportation shipping information for this product?

    1 answer

    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

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  8. What is the particle size of Product 182230, Poly(methyl methacrylate)?

    1 answer

    1. The particle size is less than 2 mm.

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  9. What is Product 182230, Poly(methyl methacrylate), soluble in?

    1 answer

    1. This product is soluble in benzene, xylene, methylene chloride, chloroform, chlorobenzene, hot cyclohexanol, dioxane, methyl ethyl ketone, acetic acid, and acetone.

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