BioSciences - Polysciences, Inc.

200
Polymers
Poly(tetramethylene ether glycol) (Polytetrahydrofuran) [25190-06-1] AK2g
n 20
D 1 .462 Tg -84° d .97 TSCA H(OCH 2 CH 2 CH 2 CH 2 ) n OH
More hydrophobic polyether than poly(ethylene glycol) . Hydroxyl groups at chain ends .
Soluble in: alcohol, slightly in water .
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Catalog Size
MW 650 Hydroxyl No . = 170 mp 15° n20
D 1 .462 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 07784-500 500 g
MW 1,000 Hydroxyl No . = 112 mp 19° . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 07785-500 500 g
MW 2,900 Hydroxyl No . = 38 mp 35-37° n20
D 1 .464 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17746-500 500 g
Poly(vinyl acetate) [9003-20-7] A2g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MW 90,000 n 20
D 1 .462 Tg 32° d 1 .18 TSCA [-CH 2 CH(O 2 CCH 3 )-] n
Water sensitive resin, readily hydrolyzed . Used to prepare poly(vinyl alcohol) of varying degrees of
hydrolysis . Soluble in: toluene, acetone, chloroform, alcohol, THF .
Poly(vinyl acetate), 40% hydrolyzed [25213-24-5] . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MW 72,000 TSCA
Hydrophilic polymer, highly swollen in water .
Poly(vinyl alcohol) [9002-89-5]
mp >220° Tg 85° d 1 .29 TSCA
Water-soluble resins of low toxicity . Resins at high % hydrolysis require heating at ~96°C in water
for solution . Resins of lower % hydrolysis can be dissolved at progressively lower temperatures with
88% hydrolyzed resin requiring only 85°C for solution . Soluble in: hot glycerol, hot glycols, hot water .
Polydispersity Viscosity of
4% AQ (cps)
MW ~6,000 80 mol% hydrolyzed ~1 .7 2 .5-3 .5% A2g 22225-500 500 g
MW ~25,000 88 mol% hydrolyzed ~1 .9 5 .2-6 .2% A2g 02975-500 500 g
MW ~25,000 98 mol% hydrolyzed ~2 .0 5 .5-6 .0% H5g 04397-500 500 g
MW ~78,000 88 mol% hydrolyzed ~1 .9 23-27% H2g 15132-500 500 g
MW ~78,000 98 mol% hydrolyzed ~1 .7 28 .5-32 .5% H5g 15130-500 500 g
MW ~78,000 99 .7 mol% hydrolyzed ~1 .7 28-32 % H2g 15129-500 500 g
MW ~108,000 99 .7 mol% hydrolyzed ~1 .7 62-72% H2g 04324-500 500 g
MW ~125,000 88 mol% hydrolyzed ~2 .0 45-55% A2g 04398-500 500 g
MW ~133,000 99 mol% hydrolyzed ~2 .4 62-72% A2g 02815-500 500 g
Poly(vinyl alcohol), N-methyl-4(4’-formylstyryl)
pyridinium methosulfate acetal , 13.3% soln. in water [107845-59-0] U5acd . . . . . . . . . . . .
(10g polymer) (SbQ-PVA) MW ~45,000 4 .1 mol SbQ TSCA
Soluble in organic solvents such as acetone . Polymer has high dielectric
constant . Water-soluble, photocrosslinkable, polymer . Used in making
silkscreen print screens .
Poly(vinylamine) hydrochloride [26336-38-9] U5g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MW 25,000 TSCA
Water-soluble all-primary polyamine .
Poly(vinyl butyral) A2g
n 20
D 1 .480-1 .490 Tg 50° d 1 .10 TSCA
Tough, solvent-soluble, resin . Broad MW distribution . Contains ~20% vinyl alcohol and ~2% vinyl
acetate, the rest butyral . Soluble in: acetone, alcohols, THF, MEK .
MW 70,000-100,000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24617-50 50 g
MW 100,000-150,000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 06100-50 50 g
Poly(N-vinylcarbazole) [25067-59-8] A2g . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
MW ~40,000 mp >320° n 20
D 1 .683 Tg 200° TSCA
Photoconductive polymer, especially in the form of complexes . Soluble in: toluene, chloroform, THF,
Dioxane . Technical Data Sheet #263
06069-500 500 g
17561-25 25 g
22570-75 75 g
23965-1 1 g
23965-5 5 g
02428-50 50 g