Fluorine-containing polymer and production method thereof
AssigneeDaikin Industries, Ltd.
InventorsYuuki YOTSUMOTO, Ryouichi Yano, Takahiro Furutani
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Abstract
Provided are a novel polymer having a structure derived from 1,2-difluoroethylene, and a production method thereof. A fluorine-containing polymer including a structural unit represented by a following general formula (1) partly or as a whole, and having a glass transition temperature of 100° C. or more;
Claims14
A fluorine-containing polymer comprising a structural unit represented by a following formula (1) partly or as a whole, wherein the fluorine-containing polymer has a glass transition temperature of 100° C. or more:
A fluorine-containing polymer comprising a structural unit represented by a following formula (1) and a structural unit represented by a following formula (2):
- wherein R1 is hydrogen, or an OR5 group, wherein the R5 group is a partly or wholly fluorinated hydrocarbon group having 5 or less carbon atoms, and R2, R3 and R4 are each independently hydrogen or fluorine, and
- when R1 is hydrogen, the structural unit represented by the general formula (2) is ethylene, vinylidene fluoride or vinyl fluoride.
A fluorine-containing polymer comprising a structural unit represented by a following formula (1):
- and at least one structural unit selected from the group consisting of structural units represented by following formulas (4) and (6) to (8):
A fluorine-containing polymer consisting only of a structural unit represented by a following formula (1):
- and a structural unit derived from tetrafluoroethylene, which can be dissolved in acetone with a resin solubility of 1 mass % or more.
A fluorine-containing polymer comprising a structural unit represented by a following formula (1):
- and a structural unit derived from hexafluoropropylene, wherein the fluorine-containing polymer is amorphous and has proportion of the structural unit represented by the general formula (1) of 70 to 92 mol %.
A fluorine-containing polymer comprising a structural unit represented by a following general formula (1):
- and a structural unit derived from at least an unsaturated compound selected from the group consisting of Ashrae Nos. 1225, 1234, 1243 and 1252, wherein the fluorine-containing polymer is amorphous and has a glass transition temperature of 35° C. or more.
A fluorine-containing polymer comprising a structural unit represented by a following formula (1):
- and a structural unit represented by a following formula (20):
- wherein R1 to R3 are selected from H and F, and Rf is a fluorine-containing alkyl group having 1 to 6 carbon atoms, wherein the fluorine-containing polymer is amorphous and has a glass transition temperature of 35° C. or more.
Dependencies are inferred from the claim text.