Poly(tert-butyl acrylate-co-ethyl acrylate-co-methacrylic acid)
ALDRICH/444790 - powder, methacrylic acid 23
Synonym: Ethyl acrylate-methacrylic acid-tert -butyl acrylate copolymer
CAS Number: 159666-35-0
MDL Number: MFCD00241441
Linear Formula: [CH2CH[CO2C(CH3)3]3]x[CH2CH(CO2C2H5)]y[CH2C(CH3)(CO2H)]Z
Product Type: Chemical
acid number | 140‑160 mg KOH/g |
density | 0.4 g/mL at 25 °C (lit.) |
description | K-value 34 - 40 DIN 53 726 |
feed ratio | methacrylic acid 23 |
form | powder |
SMILES string | CC=CC(O)=O.CCOC(=O)C=C. |
solubility | water and ethanol: soluble in salt form |
transition temp | Tg 75 °C |
Application: | Hair care products. |
Application: | PTBEM can be used to prepare a site specific polymeric drug delivery system for prednisone, a steroidal anti-inflammatory drug. |
General description: | Film forming thermoplastic. |
General description: | Poly(tert-butyl acrylate-co-ethyl acrylate-co-methacrylic acid) (PTBEM) is an amphiphilic block copolymer. |
Packaging: | 1 kg in poly bottle |
Packaging: | 250 g in poly bottle |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 1 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Density | 0.4 g/mL at 25 °C (lit.) |
UNSPSC | 12162002 |