ADC AC Blowing agent/Azodicarbonamide

Item No.: AC1000, AC3000,AC5000,AC7000

EINECS NO.:204-650-8

Molecular formula：C₂H₄N₄O₂
MOL WT.：116.08

H.S. CODE：292700

UN NO.：3242
Appearance:   Light yellow powder

Particle size (μm): 3~12

Ash:   ≤0.3%
Moisture:   ≤0.3%
Decomposing Temperature  ℃ 　 200~210
Other Name:1,1'-Azobisformamide; AC Blowing Agent; ADC;

C,C'-Azodi(formamide); ADA; Azobiscarbonamide; Azobiscarboxamide; Azodicarbodiamide; Azodicarboxamide; Azodiformamide; Azodicarbonamide; Diazenedicarboxamide; Diazenedicarbonic; C,C'-Azodi(formamid) (German); C,C'-Azodi(formamida) (Spanish); C,C'-Azodi(formamide) (French); Azobisformamide; 1,2-Diazenedicarboxamide;

The principal use of azodicarbonamide is in the production of foamed plastics as a blowing agent. The thermal decomposition of azodicarbonamide results in the evolution of nitrogen, carbon monoxide, carbon dioxide, and ammonia gases, which are trapped in the polymer as bubbles to form a foamed article.
Azodicarbonamide is used in plastics, synthetic leather, and other industries and can be pure or modified. Modification affects the reaction temperatures. Pure azodicarbonamide generally reacts around 200 °C. In the plastic, leather, and other industries, modified azodicarbonamide (average decomposition temperature 170 °C) contains additives that accelerate the reaction or react at lower temperatures.
An example of the use of azodicarbonamide as a blowing agent is found in the manufacture of vinyl (PVC) foam, where it plays a role in the formation of air bubbles by breaking down into gas at high temperature. Vinyl foam is springy and does not slip on smooth surfaces. It is useful for carpet underlay and floor mats. Commercial yoga mats made of vinyl foam have been available since the 1980s; the first mats were cut from carpet underlay.