Skip to Content
MilliporeSigma
All Photos(3)

Key Documents

444790

Sigma-Aldrich

Poly(tert-butyl acrylate-co-ethyl acrylate-co-methacrylic acid)

powder, methacrylic acid 23

Synonym(s):

Ethyl acrylate-methacrylic acid-tert -butyl acrylate copolymer

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
[CH2CH[CO2C(CH3)3]3]x[CH2CH(CO2C2H5)]y[CH2C(CH3)(CO2H)]Z
CAS Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

description

K-value 34 - 40 DIN 53 726

form

powder

feed ratio

methacrylic acid 23

acid number

140‑160 mg KOH/g

transition temp

Tg 75 °C

solubility

water and ethanol: soluble in salt form

density

0.4 g/mL at 25 °C (lit.)

SMILES string

C\C=C\C(O)=O.CCOC(=O)C=C.CC(C)(C)OC(=O)C=C

General description

Film forming thermoplastic.
Poly(tert-butyl acrylate-co-ethyl acrylate-co-methacrylic acid) (PTBEM) is an amphiphilic block copolymer.

Application

Hair care products.
PTBEM can be used to prepare a site specific polymeric drug delivery system for prednisone, a steroidal anti-inflammatory drug.

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

pH-Responsive composite based on prednisone-block copolymer micelle intercalated inorganic layered matrix: Structure and in vitro drug release.
Li Y, et al.
Chemical Engineering Journal, 151(1-3), 359-366 (2009)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service