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U.S. Department of Energy
Office of Scientific and Technical Information

Low smoke polypropylene insulation compositions

Patent ·
OSTI ID:6047962
A flame retardant insulation composition is described comprising; (a) 5-40 percent by weight of a hydrogenated monoalkylarene (A)-conjugated diene (B) block copolymer containing at least one A block and at least one B block wherein at least 1 percent by weight of the block copolymer has been functionalized with a monomer that does not polymerize easily; (b) 1-20 percent by weight of a plasticizer; (c) 1-40 percent by weight of polypropylene; (d) 10-85 percent by weight of a hydrated magnesium hydroxide which has been surface treated with a coupling agent.
Assignee:
Shell Oil Co., Houston, TX
Patent Number(s):
US 4794132
OSTI ID:
6047962
Country of Publication:
United States
Language:
English