| 摘要 |
The present invention relates to compositions which can be used as expanding agent in the manufacture of thermosetting polymers. A more particular subject-matter of the invention is compositions comprising 1,1,1,3,3-pentafluorobutane (365 mfc), 1,1,1,3,3-pentafluoropropane (245 fa) and a hydrochlorocarbon compound.
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