Stretchable film and method for forming the same
AssigneeShin-Etsu Chemical Co., Ltd.
InventorsJun Hatakeyama, Motoaki Iwabuchi, Joe Ikeda, Shiori Nonaka, Koji Hasegawa
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Abstract
The present invention is a stretchable film of a cured product of a resin including: a polymer compound having a urethane bond in the main chain, a repeating unit containing a fluorine atom, and a repeating unit containing a silicon atom. The present invention provides a stretchable film that has excellent stretchability and strength, with the film surface having excellent water repellency, and a method for forming the same.
Claims10
A stretchable film of a cured product of a resin comprising a polymer compound having a urethane bond in a main chain thereof, a repeating unit containing a fluorine atom, and a repeating unit containing a silicon atom,
- wherein the polymer compound is a compound having a (meth)acrylate group at a terminal thereof, shown by the following general formula (3):
- wherein R1, R2, R3, R4, R5, and R6 each represent a linear, branched, or cyclic alkyl group having 1 to 6 carbon atoms, a phenyl group, a 3,3,3-trifluoropropyl group, or a —(OSiR7R8)n—OSiR9R10R11 group;
- R7, R8, R9, R10, and R11 each have the same meaning as R1 to R6;
- each R independently represents a single bond or a methylene group;
- “n” represents a number in a range of 0 to 100;
- R12 represents a single bond, a methylene group, or an ethylene group;
- R13 represents a hydrogen atom or a linear alkyl group having 1 to 4 carbon atoms;
- R14 represents a hydrogen atom or a methyl group;
- X represents a linear or branched alkylene group having 3 to 7 carbon atoms, optionally containing an ether group;
- Rf1 represents a linear or branched alkylene group having 1 to 200 carbon atoms and at least one fluorine atom, optionally containing an ether group;
- R15 represents a hydrogen atom or a methyl group;
- and “a”, “b1”, “b2”, and “c” are each number of units in one molecule and are integers in ranges of 1≤a≤20, 0≤b1≤20, 0≤b2≤20, 1≤b1+b2≤20, and 1≤c≤4.
A stretchable film of a cured product of a resin comprising a polymer compound having a urethane bond in a main chain thereof, a repeating unit containing a fluorine atom, and a repeating unit containing a silicon atom,
- wherein the polymer compound is a compound having a (meth)acrylate group at a terminal thereof, shown by the following general formula (3):
- wherein R1, R2, R3, R4, R5, and R6 each represent a linear, branched, or cyclic alkyl group having 1 to 6 carbon atoms, a phenyl group, a 3,3,3-trifluoropropyl group, or a —(OSiR7R8)n—OSiR9R10R11 group;
- R7, R8, R9, R10, and R11 each have the same meaning as R1 to R6;
- each R independently represents a single bond or a methylene group;
- “n” represents a number in a range of 0 to 100;
- R12 represents a single bond, a methylene group, or an ethylene group;
- R13 represents a hydrogen atom or a linear alkyl group having 1 to 4 carbon atoms;
- R14 represents a hydrogen atom or a methyl group;
- X represents a linear or branched alkylene group having 3 to 7 carbon atoms, optionally containing an ether group;
- Rf1 represents a linear or branched alkylene group having 1 to 200 carbon atoms and at least one fluorine atom, optionally containing an ether group;
- R15 represents a hydrogen atom or a methyl group;
- and “a”, “b1”, “b2”, and “c” are each number of units in one molecule and are integers in ranges of 1≤a≤20, 0≤b1≤20, 0≤b2≤20, 1≤b1+b2≤20, and 1≤c≤4, and
- wherein the polymer compound is derived in part from a reaction product of a diol compound and a compound having an isocyanate group, and the diol compound contains a diol compound Ma as well as a diol compound Mb1 and/or a diol compound Mb2 shown by the following general formulae (2):
Dependencies are inferred from the claim text.