Cellulose acetate butyrate
Cellulose acetate butyrate
CAS: 9004-36-8
Molecular Formula: N/A
Cellulose acetate butyrate - Names and Identifiers
Cellulose acetate butyrate - Physico-chemical Properties
| Molecular Formula | N/A |
| Density | 1.25g/mLat 25°C(lit.) |
| Melting Point | 127-240 °C |
| Solubility | Practically insoluble in water, soluble in acetone, in formic acid and in a mixture of equal volumes of methanol and methylene chloride, practically insoluble in ethanol (96 per cent). |
| Appearance | Solid |
| Color | White |
| Storage Condition | 2-8°C |
| Refractive Index | n20/D 1.475(lit.) |
| MDL | MFCD00081513 |
| Use | For the production of high transparency, good weather resistance of plastic film base, film and various coatings leveling agent, film-forming material |
Cellulose acetate butyrate - Risk and Safety
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | - |
| HS Code | 39129000 |
Cellulose acetate butyrate - Reference
| Reference Show more | 1. Li, Qijun, et al. "Deacidification of Microalgal Oil with Alkaline Microcrystalline Cellulose." Applied Biochemistry and Biotechnology 193.4 (2021): 952-964.https://doi.org/10.1007/s12010-020-03457-w |
Cellulose acetate butyrate - Nature
Open Data Verified Data
In addition to hydroxyl and acetyl groups, the CAB molecule also contains butyryl groups, and its physicochemical properties are related to the content of the three groups. The melting point and tensile strength increase with the increase of the content of acetyl group, and the compatibility with plasticizer and the flexibility of the film decrease with the increase of acetyl group content in a certain range. Solubility in polar solvents increases with increasing hydroxyl content. The increase of butyryl group content in CAB molecule reduces the density of CAB and expands the range of dissolution. CAB has a good resistance to moisture, UV light, cold, flexible, transparent, electrical insulation and other characteristics, with the resin and high boiling point plasticizer has good compatibility. Plastic surface gloss, excellent processability. Due to the different content of butyryl group can be made into different properties of plastic film base, film and coating.
Last Update：2024-01-02 23:10:35
Cellulose acetate butyrate - Preparation Method
Open Data Verified Data
The technical route of the production of CAB has two kinds of homogeneous method and heterogeneous method, and the homogeneous method is divided into organic solvents (such as dichloromethane) two kinds of solvent and organic acid as solvent, several methods have their own advantages and disadvantages. At present, organic acid is used as solvent, and sulfuric acid is used as catalyst to produce CAB.
Last Update：2022-01-01 11:08:28
Cellulose acetate butyrate - Introduction
Insoluble in water, soluble in ketones, organic acetate, lactic acid salts, ethylene, acrylic chloride and high boiling point solvents.
Last Update：2022-10-16 17:29:49
Cellulose acetate butyrate - Use
Open Data Verified Data
- application in the plastic industry: according to the different content of butyryl group, can be made into a variety of different uses of plastic products, such as molded products with a telephone base, car steering wheel, tool handle, toys, pen, etc., can also be used as water station, oil field, natural gas and factory water, gas transmission pipeline, thin products have film base, aerial photography film base, film products have food protective film, oil-resistant products protective film, skin wound protection film, etc.
- Application in coating industry: it is mainly used as protective coating and decorative coating in coating industry. Mainly used in the following areas. (1) transparent metal varnish with it can protect the building of aluminum, copper, silver and other metal surfaces from oxidation loss of gloss, corrosion. (2) the varnish for plastic products is coated on the surfaces of acetate, acrylic ester, vinyl resin, nitrocellulose and other plastic products, which can make them have beautiful luster and are not easy to age. (3) the varnish used for wood is used as the surface coating of furniture, floor, bamboo curtain and wallboard to improve the service life and make the surface glossy and beautiful. (4) the coating and impregnation of the paper is used for the surface coating of the packaging paper bag, which plays a role of water resistance and reinforcement. It is also used for exterior coating of wallpaper, advertising paper, label paper, cardboard, cosmetic paper, packaging boxes, etc. (5) the coating and impregnation of fabric such as aircraft cover cloth, car and motorcycle cover cloth, shade cloth, shower curtain, waterproof surface coating, and can be used for electrical belt, marine rope, impregnation of fire protection belts, etc. The heat seal adhesive with it can bond paper, cloth, plastic and aluminum products. It can be used to coat the flash bulb, sign glass, sign plate, mirror and so on.
Last Update：2022-01-01 11:08:29
Cellulose acetate butyrate - Safety
Open Data Verified Data
This product is non-toxic. The finished product is packed with Kraft three-in-one composite bag, lined with polyethylene film bag, each 25kg, or according to the user packaging, storage should be placed in a dry, ventilated, clean warehouse, away from heat, to avoid direct sunlight. Transportation should be protected from the sun and rain.
Last Update：2022-01-01 11:08:30
Cellulose acetate butyrate - Molding Process
Open Data Verified Data
can be used extrusion, pressure injection, rotation, blow molding and vacuum forming, can also be boiling spray.
Last Update：2022-01-01 11:08:29
Cellulose acetate butyrate - Reference Information
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Use | leveling agent used in the production of high transparency, good weather resistance of plastic film base, film and various coatings, film-forming substances |
Last Update：2024-04-09 21:01:54
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