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444790

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

Name: Poly(tert-butyl acrylate-co-ethyl acrylate-co-methacrylic acid)
Brand: ALDRICH

powder, methacrylic acid 23

Synonym(s):

Ethyl acrylate-methacrylic acid-tert -butyl acrylate copolymer

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About This Item

Linear Formula:

[CH₂CH[CO₂C(CH₃)₃]₃]_x[CH₂CH(CO₂C₂H₅)]_y[CH₂C(CH₃)(CO₂H)]_Z

CAS Number:

159666-35-0

UNSPSC Code:

12162002

PubChem Substance ID:

24868146

NACRES:

NA.23

MDL number:

MFCD00241441

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Properties

description

K-value 34 - 40 DIN 53 726

Quality Segment

100

form

powder

feed ratio

methacrylic acid 23

acid number

140‑160 mg KOH/g

transition temp

T_g 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

InChI

1S/C7H12O2.C5H8O2.C4H6O2/c1-5-6(8)9-7(2,3)4;1-3-5(6)7-4-2;1-2-3-4(5)6/h5H,1H2,2-4H3;3H,1,4H2,2H3;2-3H,1H3,(H,5,6)/b;;3-2+

InChI key

SXLHETAPSDIGDP-CITOEQSFSA-N

Description

General description

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

Film forming thermoplastic.

Application

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

Hair care products.

Storage Class

10 - Combustible liquids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c