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452130

Sigma-Aldrich

Poly(methyl methacrylate), isotactic

>80% isotactic

Synonym(s):

Isotactic PMMA, Isotactic methyl methacrylate polymer, Isotactic poly(methyl methacrylate)

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About This Item

Linear Formula:
(C5H8O2)n
CAS Number:
25188-98-1
MDL number:
MFCD00134349
UNSPSC Code:
12162002
PubChem Substance ID:
24868679
NACRES:
NA.23

Quality Level

100

form

solid

density

1.2 g/mL at 25 °C (lit.)

InChI

1S/C12H18N3O8PS/c1-4-21-24(18,22-5-2)23-11(17)10(8-7-25-12(13)14-8)15-20-6-9(16)19-3/h7H,4-6H2,1-3H3,(H2,13,14)/b15-10-

InChI key

DOXUHDDTLHKPOE-GDNBJRDFSA-N

General description

i-PMMA can be prepared from t-C4H9MgBr. Structure of crystalline isotactic poly(methyl methacrylate) (i-PMMA) was investigated by X-ray diffraction and infra red spectroscopic techniques.

Application

The polymeric blend of isotatic (i-) poly-(methyl methacrylate) & 6,13-bis(triisopropylsilylethynyl) pentacene can be used to prepare thin films transistors (TFTs).

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCS1607
MKCN0436
MKCL7952
MKCJ5975
MKCC7058

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Structure of isotactic poly (methyl methacrylate).
Tadokoro H, et al.
Macromolecules, 3(4), 441-447 (1970)
Self?assembled organic channel/polymer dielectric layer for organic thin?film transistor applications.
Park JH, et al.
AIP Conference Proceedings, 847, 1399-1399 (2011)
Jose-Luis Ruiz
Journal of the Massachusetts Dental Society, 61(2), 16-19 (2013-03-22)
The literature is replete with articles arguing which is the next best restorative material to substitute porcelain fused to metal (PFM) crowns. Sadly, most of the discussion is about the strength and cost of the materials and often not about
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Biofilms on removable orthodontic appliances act as reservoir of microorganisms, capable of modifying the environmental condition of oral cavity and are difficult to be removed with routine hygiene measures. The present investigation includes enumeration, identification and numerical analysis of different
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