762881
Poly(N-isopropylacrylamide-co-butylacrylate)
butylacrylate 12 mol %, average Mn 30,000
Synonym(s):
NIPAM, polyNIPAM, polyNIPAM-BA
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About This Item
Linear Formula:
(C6H11NO)m(C7H12O2)n
NACRES:
NA.23
UNSPSC Code:
12162002
Quality Level
form
solid
feed ratio
NIPAM:BA 8:1
mol wt
average Mn 30,000
composition
butylacrylate, 12 mol %
transition temp
LCST 14-16 °C
PDI
1.51
General description
Random copolymer of N-isopropylacrylamide with 12 mole % butylacrylate. This copolymer shows LCST at 15 C (lower temperature than PolyNIPAM).
Application
Thermosensitive polymer; can be used to form a hydrogel. Aqueous polymer solution undergoes a phase transition from a soluble to an insoluble state when the temperature is raised to ca. 15 °C.
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Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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G Chen et al.
Nature, 373(6509), 49-52 (1995-01-05)
There are many potential applications of 'intelligent' aqueous polymer systems in medicine, biotechnology, industry and in environmental problems. Many of these polymer systems undergo reversible phase transitions--for example, abrupt changes in volume--in response to external stimuli such as temperature, pH
A Gutowska et al.
Journal of biomedical materials research, 29(7), 811-821 (1995-07-01)
Biomer/poly(N-isopropylacrylamide)/[poly(NiPAAm)] thermosensitive polymer blends were prepared and their application as heparin-releasing polymer coatings for the prevention of surface-induced thrombosis was examined. The advantage of using poly (NiPAAm)-based coatings as heparin-releasing polymers is based on the unique temperature-dependent swelling of these