Studies of HTPB-PU Elastomers with Extender Pentaerythrite
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Graphical Abstract
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Abstract
By using hydroxyl-terminated polybutadiene (HTPB), liquid-modified 4,4'-methylenebis (phenyl isocyanate) as raw materials and pentaerythrite as extender or crosslinking agent, polybutadiene-based polyurethane elastomers (HTPB-PU) were synthesized. The mod
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