The world's first industrial mass production

Graphene in-situ polymerization nylon 6 production line


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Graphene in-situ polymerized nylon 6 fiber tag


Nylon that truly "grows" graphene


Revolutionary upgrade of traditional nylon industry

通知公告The world's first industrial mass production

通知公告Domestic only

通知公告Nylon that truly "grows" graphene

通知公告Revolutionary upgrade of traditional nylon industry

Content title

Real gold is not afraid of fire-talk about the halogen-free flame retardant of graphene PA6


As an important carbon material, graphene can effectively reduce the heat and mass transfer during the combustion process of the material due to its high stability, strong barrier, large surface adsorption and other characteristics. It can be used as a flame retardant to improve the flame retardancy of polymer materials. performance. In the 21st century, many governments and agencies have issued bans on various halogen-containing flame retardants, proposing environmentally friendly, non-toxic, non-leaching, halogen-free and other requirements. Graphene is a halogen-free, green polymer flame retardant The agent is bound to occupy an important place in the large family of flame retardants.


Figure 1 Graphene PA6 engineering plastics

It is generally believed that gas phase flame retardant and condensed phase flame retardant are the two main flame retardant strategies for polymer materials. Gas phase flame retardant is mainly a chain reaction during the pyrolysis of the final material, and condensed phase flame retardant is mainly through the promotion of carbon formation and strengthening Carbon layer.

The flame retardant mechanism of graphene can be regarded as the condensed phase flame retardant. During the combustion process of the composite material: (1) The dense carbon layer formed by graphene and other flame retardant components cuts off further contact between combustibles and oxygen, and also allows volatile flammable gases and toxic gases to enter the air, preventing fire Further deterioration; (2) The addition of graphene will increase the amount of residual carbon after the composite material is burned, and the flame retardant effect of the condensed phase is enhanced; (3) Graphene does not interfere with the decomposition mechanism of the material.

After testing, our 4mm nylon standard spline can meet the requirements of the US UL94 standard V0 halogen-free flame retardant and no melting drops without adding any flame retardants. This is undoubtedly a world-class in the field of nylon materials Breakthrough.


Figure 2 UL94 test report

Keywords: Henglibao graphene    graphene PA6


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