418528
Poly(1-vinylpyrrolidone-co-acrylic acid)
average Mw ~96,000 by GPC, average Mn ~20,000 by GPC, powder (Fine)
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About This Item
CAS Number:
UNSPSC Code:
12352300
form
powder (Fine)
mol wt
average Mn ~20,000 by GPC
average Mw ~96,000 by GPC
hardness
6 H (ASTM D 3363)
impurities
≤3.0% moisture content
color
white
relative viscosity
1.4-1.7, 1 wt. % in 0.25 M NaOH in 0.2 N LiNO3(lit.)
acid number
170‑210
transition temp
Tg 185 °C
solubility
H2O: soluble (pH ≥4.5)
Application
Encapsulating aid, emulsifying and dispersing aid, textile sizing agent, film former, remoistenable adhesives and antiredeposition agent.
Features and Benefits
Forms hard, transparent films. Films adheres to paper, OPP, Mylar and aluminum.
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