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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 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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