Halogen-free Laminates - Flame Retardants-Online

Review of halogen-free Flame Retardants
• Organophosphorus anhydrides
Certain anhydride molecules, such as oxaphospholane (2-methyl-
2,5-dioxo-1,2-oxaphospholane e.g. Exolit® PE 110) have the
potential to be used as curing agent and/or reactive FR.
Halogen-free Laminates:
The technology is there for
an emerging market
Public
Marketing Thermosets
BU Specialties
Div. P&A
09.06.2006
Slide 13
• Phosphorylated novolaks
Limited in use by their phosphate structure, have been reported to
give V-1 ratings with acceptable
properties
OH
CH 2
O
O
P
O
O
CH 2
O
O O
P
CH 2
O
CH 2