POLYSTYRENE-B-POLY(ETHYLENE-RAN-BUTYLENE )-B-POLYSTYRENE-G-MALEIC ANHYDRIDE | CAS No. 124578-11-6
POLYSTYRENE-B-POLY(ETHYLENE-RAN-BUTYLENE )-B-POLYSTYRENE-G-MALEIC ANHYDRIDE
Basic Information
CAS Number
124578-11-6
Molecular Formula
C16H16O3
Molecular Weight
256.3 g/mol
AD
Chemical Classification
Basic Physical Properties
Density
0.91 g/mL at 25 °C
Solubility
solvents with solubility parameters between 7.7 and 9.4: soluble
Safety Information
View Safety InformationHazard Statement
H315
Causes skin irritation
Skin corrosion/irritation
Skin corrosion/irritation
H317
May cause an allergic skin reaction
Sensitization, Skin
Sensitization, Skin
H319
Causes serious eye irritation
Serious eye damage/eye irritation
Serious eye damage/eye irritation
H335
May cause respiratory irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation
Specific target organ toxicity, single exposure; Respiratory tract irritation
Synonyms & References
English
- POLYSTYRENE-B-POLY(ETHYLENE-RAN-BUTYLENE )-B-POLYSTYRENE-G-MALEIC ANHYDRIDE
- 2,5-Furandione, polymers with hydrogenated butadiene-styrene polymer
- Polystyrene-block-poly(ethylene-ran-butylene)-block-polystyrene-graft-maleic anhydride melt index ~21 g/10 min (230C/5.0kg)
- SEBS 1901
FAQ
What are the physical and chemical properties of POLYSTYRENE-B-POLY(ETHYLENE-RAN-BUTYLENE )-B-POLYSTYRENE-G-MALEIC ANHYDRIDE (CAS: 124578-11-6)?
This copolymer is characterized by its block structure, with polystyrene and poly(ethylene-ran-butylene) segments alternating. It typically has a high molecular weight, which contributes to its crystalline nature and enhanced mechanical properties. The copolymer is partially amorphous, with a glass transition temperature around 100°C. Solubility in common organic solvents like tetrahydrofuran (THF) and toluene is observed, but solubility decreases with increasing molecular weight. Reactivity is moderate due to the presence of styrene and maleic anhydride groups, which can engage in cross-linking reactions under certain conditions.
How is POLYSTYRENE-B-POLY(ETHYLENE-RAN-BUTYLENE )-B-POLYSTYRENE-G-MALEIC ANHYDRIDE (CAS: 124578-11-6) typically synthesized?
This copolymer is synthesized through a combination of living anionic polymerization techniques. Initially, poly(ethylene-ran-butylene) is produced using an anionic polymerization process. Subsequently, this polymer backbone is grafted with polystyrene segments and maleic anhydride groups via a controlled radical polymerization or atom transfer radical polymerization (ATRP) technique. This method ensures high molecular weight and block copolymer architecture with high conversion and narrow polydispersity index (PDI) values.
What industries use POLYSTYRENE-B-POLY(ETHYLENE-RAN-BUTYLENE )-B-POLYSTYRENE-G-MALEIC ANHYDRIDE (CAS: 124578-11-6)?
This copolymer finds application in various industries due to its unique combination of mechanical properties and chemical reactivity. It is used in the pharmaceutical industry for drug delivery systems, in polymer-based coatings and adhesives, and in sensor applications for its sensitivity to environmental changes. In the semiconductor industry, it serves as a protective layer and in packaging applications, it enhances barrier properties against gases and moisture.
What precautions should be taken when handling POLYSTYRENE-B-POLY(ETHYLENE-RAN-BUTYLENE )-B-POLYSTYRENE-G-MALEIC ANHYDRIDE (CAS: 124578-11-6)?
Proper handling of this copolymer requires the use of personal protective equipment (PPE) such as gloves, goggles, and a lab coat to protect against potential skin and eye irritation. Storage should be done in a cool, dry place away from direct sunlight and heat sources. In case of a spill, it should be handled using appropriate absorbent materials and disposed of according to local hazardous waste regulations. Safety data sheets (SDS) should be consulted for detailed handling and emergency procedures. It is also advisable to work in a well-ventilated area or a fume hood to minimize inhalation risks.
Related Compounds
![N-(2-Methoxyphenyl)-N-[(4-methylphenyl)sulfonyl]-beta-alanine structure](https://static.chemtradehub.com/structs/103/103687-96-3-8086.webp "N-(2-Methoxyphenyl)-N-[(4-methylphenyl)sulfonyl]-beta-alanine structure")
N-(2-Methoxyphenyl)-N-[(4-methylphenyl)sulfonyl]-beta-alanine
CAS Number:
103687-96-3
Molecular Formula:
C17H19NO5S
![5'-O-[Bis(4-methoxyphenyl)(phenyl)methyl]cytidine structure](https://static.chemtradehub.com/structs/112/112897-99-1-d1f4.webp "5'-O-[Bis(4-methoxyphenyl)(phenyl)methyl]cytidine structure")
5'-O-[Bis(4-methoxyphenyl)(phenyl)methyl]cytidine
CAS Number:
112897-99-1
Molecular Formula:
C30H31N3O7
![(3S,4R)-3-Hydroxy-2,2-dimethyl-4-[(3-oxo-1-cyclopenten-1-yl)oxy]-6-chromanecarbonitrile structure](https://static.chemtradehub.com/structs/121/121055-10-5-583d.webp "(3S,4R)-3-Hydroxy-2,2-dimethyl-4-[(3-oxo-1-cyclopenten-1-yl)oxy]-6-chromanecarbonitrile structure")
(3S,4R)-3-Hydroxy-2,2-dimethyl-4-[(3-oxo-1-cyclopenten-1-yl)oxy]-6-chromanecarbonitrile
CAS Number:
121055-10-5
Molecular Formula:
C17H17NO4
![Methyl 5-chloropyrazolo[1,5-a]pyrimidine-2-carboxylate structure](https://static.chemtradehub.com/structs/126/1263059-26-2-d6da.webp "Methyl 5-chloropyrazolo[1,5-a]pyrimidine-2-carboxylate structure")
Methyl 5-chloropyrazolo[1,5-a]pyrimidine-2-carboxylate
CAS Number:
1263059-26-2
Molecular Formula:
C8H6ClN3O2
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