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182567

Sigma-Aldrich

Poly(vinyl butyral-co-vinyl alcohol-co-vinyl acetate)

average Mw 50,000-80,000 by GPC, powder

Synonym(s):

Poly(vinyl butyral-vinyl alcohol-vinyl acetate)

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About This Item

CAS Number:
27360-07-2
MDL number:
MFCD00132687
UNSPSC Code:
12162002
NACRES:
NA.23

form

powder

Quality Level

100

mol wt

average Mw 50,000-80,000 by GPC

composition

vinyl butyral, 80 wt. %

refractive index

n20/D 1.485

transition temp

Tg 62-72 °C

density

1.083 g/mL at 25 °C (lit.)

InChI

1S/C8H14O2.C4H6O2.C2H4O/c1-4-7-8(9-5-2)10-6-3;1-3-6-4(2)5;1-2-3/h5-6,8H,2-4,7H2,1H3;3H,1H2,2H3;2-3H,1H2

InChI key

RNNFCYZWIQZWQV-UHFFFAOYSA-N

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Application

Poly(vinyl butyral-co-vinyl alcohol-co-vinyl acetate) (PVBA) can be usedas a protective coating for copper corrosion in a saline environment.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Danial Harandi et al.
Polymers, 12(5) (2020-05-07)
The ability of poly(vinyl butyral-co-vinyl alcohol-co-vinyl acetate) (PVBVA) to consolidate Fir wood was studied in terms of the surface and mechanical properties' changes. Two variables were considered to treat the wood: (i) the concentration (5 and 10 wt.%) of PVBVA

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