26762-29-8

26762-29-8 - Names and Identifiers

Name	Styrene Maleic Anhydride Copolymer
Synonyms	STYRENE MALEIC ANHYDRIDE POLY(STYRENE-CO-MALEIC ANHYDRIDE) Styrene Maleic Anhydride Copolymer STYRENE MALEIC ANHYDRIDE COPOLYMER POLY(STYRENE-ALT-MALEIC ANHYDRIDE), PARTIAL METHYL ESTER 2,5-furandione,telomerwithethenylbenzeneand(1-methylethyl)benzene
CAS	26762-29-8

26762-29-8 - Physico-chemical Properties

Molecular Formula	C21H22O3
Molar Mass	322.4
Density	1.27g/mLat 25°C(lit.)
Solubility	ketones, ethers and alkali: soluble
Storage Condition	Room Temprature
Refractive Index	n20/D 1.581

26762-29-8 - Risk and Safety

Hazard Symbols	Xi - Irritant
Risk Codes	36/37/38 - Irritating to eyes, respiratory system and skin.
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing.
WGK Germany	3
RTECS	ON4240000

26762-29-8 - Introduction

Styrene Maleic Anhydride Copolymer is an important synthetic copolymer, often referred to as Styrene-Maleic Anhydride Copolymer (SMA).

Nature:
1. chemical structure: the chemical structure of SMA random copolymer is formed by covalent bonds between styrene monomer and maleic anhydride monomer.
2. Thermal stability: It has excellent thermal stability and can maintain its physical properties in a high temperature environment.
3. Modification performance: SMA random copolymer contains anhydride functional groups, which can be modified by hydrolysis or chemical modification reaction.
4. Mechanical properties: The material has good mechanical properties, including strength, stiffness and impact resistance.

Use:
1. SMA random copolymer can be used as plasticizer, toughening agent and degradation agent to reduce the plasticizing temperature.
2. It can also be used in the fields of surface coatings, adhesives and inks.
3. In the field of electronic devices and automation equipment, SMA random copolymers are widely used in the manufacture of electronic components, wires and semiconductor packaging materials.

Preparation Method:
The preparation of the SMA random copolymer is usually carried out by a solution polymerization method. Styrene and maleic anhydride are reacted together with an initiator in a suitable solvent to form a SMA random copolymer. The reaction conditions can be adjusted according to the desired product characteristics.

Safety Information:
1. SMA random copolymer is a relatively safe compound. However, general chemical safety practices still need to be followed during handling and use.
2. Avoid direct contact with skin, eyes and respiratory tract. Be sure to operate in a well-ventilated area and wear appropriate protective equipment such as gloves, goggles and dust masks.
3. If exposed or inhaled, rinse immediately with water and seek medical assistance.

Please note that the above information is for reference only. Please make sure to operate according to relevant safety materials and operating instructions before use.

Last Update：2024-04-09 20:45:29