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442348

Sigma-Aldrich

Poly(styrene-co-maleic anhydride), partial isooctyl ester, cumene terminated

average Mn ~2,300 by GPC

Synonym(s):

maleated copolymer, maleated polymer, maleic copolymer

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About This Item

CAS Number:
160611-46-1
MDL number:
MFCD00217734
UNSPSC Code:
12162002
NACRES:
NA.23

form

solid

mol wt

average Mn ~2,300 by GPC

composition

acid groups converted to ester, 50%

acid number

95‑120 mg KOH/g

transition temp

Tg 66 °C

solubility

aqueous base: soluble
ketones and ethers: soluble

General description

~4:1 mole ratio of styrene: maleic anhydride

Application

Leveling aids in films, embrittling/anti-resoil agents in shampoos, pigment dispersants, paper sizing and aqueous grinding fluids.
Poly(styrene-co-maleic anhydride), partial isooctyl ester, cumene terminated (PSMA) may be used in the preparation of inorganic-polymeric nanoparticles (Ag-PSMA) which can be converted to Au based Janus nanoparticles.

Features and Benefits

Low solution viscosity and high functionality.

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

442348-VAR-A:
442348-BULK-A:
442348-250G-A:
442348-1KG-A:

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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Eccentric inorganic-polymeric nanoparticles formation by thermal induced cross-linked esterification and conversion of eccentricity to raspberry-like Janus.
Li W P, et al.
Chemical Communications (Cambridge, England), 49(16), 1609-1611 (2013)

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