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418420

Sigma-Aldrich

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

average Mw 170,000-250,000, 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

mol wt

average Mw 170,000-250,000

composition

acetate, 0-2.5 wt. %
hydroxyl, 17.5-20 wt. %
vinyl butyral, 80 wt. %

impurities

<3.5 wt. % Volatiles

viscosity

170-260 cSt, 7.5 wt. % in anhydrous methanol(20 °C, Ostwald)(lit.)

transition temp

Tg 72-78 °C

solubility

alcohols, glycol ethers and dioxane: soluble

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

Ceramic binder, dry toners, wood coatings, composite fiber binders, structural adhesives and interlayer in safety glass.

Features and Benefits

Good binding efficiency, optical clarity and adhesion to a variety of surfaces.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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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