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Prepolymers containing a perfluoropolyethereal chain and carboxylic end groups, suitable as cross-linking agents for epoxy prepolymers
Prepolymers containing a perfluoropolyethereal chain and carboxylic end groups, suitable as cross-linking agents for epoxy prepolymers
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机译:含全氟聚醚链和羧基端基的预聚物,适合作为环氧预聚物的交联剂
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摘要
The invention relates to two classes of prepolymers containing a perfluoropolyethereal chain and carboxylic end groups, suitable as cross- linking agents for epoxy prepolymers. The first class contains anhydride- derived end groups; the second lactone-derived end groups; prepolymers therefrom are also disclosed. Additional non-fluorinated curing agents may also be added.
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