468134

Poly(styrene-co-allyl alcohol)

average M_w ~2,200, average M_n ~1,200, allyl alcohol 40 mol %

• Synonym(s): Allyl alcohol-styrene copolymer, Poly(styrene-allyl alcohol), Styrene-allyl alcohol copolymer
• Linear Formula: [CH₂CH(C₆H₅)]_x[CH₂CH(CH₂OH)]_y
• CAS Number: 25119-62-4
• MDL number: MFCD00134021
• UNSPSC Code: 12162002
• PubChem Substance ID: 24870490
• NACRES: NA.23

Properties

• vapor density: 2 (vs air)
• vapor pressure: 23.8 mmHg ( 25 °C)
• form: solid
• mol wt: average M_n ~1,200; average M_w ~2,200
• composition: allyl alcohol, 40 mol %
• expl. lim.: 18 %
• hydroxyl value: 255 mg KOH/g
• transition temp: T_g 63 °C (DSC)
• density: 1.05 g/mL at 25 °C
• SMILES string: OCC=C.C=Cc1ccccc1
• InChI: 1S/C8H8.C3H6O/c1-2-8-6-4-3-5-7-8;1-2-3-4/h2-7H,1H2;2,4H,1,3H2
• InChI key: WXNYILVTTOXAFR-UHFFFAOYSA-N

Description

Application

• Reinforced Shape-tunable Microwrinkles: Uses Poly(styrene-co-allyl alcohol) as a sacrificial coating to create reinforced, shape-tunable microwrinkles on elastomer surfaces, enhancing surface functionality for various applications (T Ohzono et al., researchgate.net).


• Electronic Nose for VOC Detection: Describes the use of Poly(styrene-co-allyl alcohol) in sensor arrays for selective detection of volatile organic compounds (VOCs) via principal component analysis (I Yoon et al., Sensors, 2019).


• Proton Conductive Membranes: Focuses on developing proton conductive membranes from Poly(styrene-co-allyl alcohol) for potential use in fuel cells, highlighting the impact of hydroxyl group interactions on conductivity (FAM Loureiro et al., Polímeros, 2014).


• Gas Separation Membranes: Utilizes Poly(styrene-co-allyl alcohol) in blend membranes with polycarbonate, enhanced with nano-zeolite for improved gas separation efficiency (A Kausar, Journal of the Chinese Advanced Materials Society, 2017).

Safety Information

• 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)