144245-85-2

Basic information

• Product Name: ALKYL KETENE DIMER
• Synonyms: Alkylketene dimer;AKD;PaperMaking CheMicals series;AKD WAX 1840;AKD WAX 1865
• CAS NO: 144245-85-2
• Molecular Weight: 0
• EINECS: 200-001-8
• Mol File: 144245-85-2.mol
• Article Data: 0

Chemical Properties

• Melting Point: 48.5℃
• Appearance: /
• Storage Temp.: -196°C
• CAS DataBase Reference: ALKYL KETENE DIMER(CAS DataBase Reference)
• NIST Chemistry Reference: ALKYL KETENE DIMER(144245-85-2)
• EPA Substance Registry System: ALKYL KETENE DIMER(144245-85-2)

Safety Data

• Hazardous Substances Data: 144245-85-2(Hazardous Substances Data)

Usage

Description

Alkyl Ketene Dimer (AKD) is a white flake solid that was industrialized in 1956 and is known for its solubility in organic solvents such as ethanol, benzene, and chloroform. It possesses the ability to resist weak acids, weak alkalis, and other penetrants, making it a versatile compound with various applications across different industries.

Uses

Used in Paper Industry:
Alkyl Ketene Dimer is used as a sizing agent for enhancing the resistance of paper to the penetration of liquids, particularly water. Its application in the paper industry has expanded from special papers requiring heavy sizing to cultural papers, which have been largely transitioned to AKD neutral sizing.
Used in Chemical Industry:
Due to its resistance to weak acids, weak alkalis, and other penetrants, Alkyl Ketene Dimer is used as a protective additive in the chemical industry. It helps in enhancing the durability and stability of various chemical products, making them more resistant to environmental factors.

Synthesis

Alkyl ketene dimer (AKD) is a white solid, which can be synthesized by acylation and dehydrochlorination of higher fatty acids (C≥12).