EP0844265A1
Expired / Lapsed
EP
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Silicon-containing organic fluoropolymers and use of the same
Assignee: Daikin Industries Ltd
•
Filing: 1996-08-12
•
Granted: —
•
Expires: 2016-08-12
Abstract
Abstract Novel silicon-containing organic fluoropolymers which are appliable to materials over a wide range and which have excellent antifouling property. The silicon-containing organic fluoropolymer of the invention is represented by the general formula and has a number average molecular weight of from 5x10 2 to 1x10 5 : wherein Rf represents perfluoroalkyl; Z represents fluoro or trifluoromethyl; a, b, c, d and e each independently represent 0 or an integer of 1 or above, provided that a + b + c + d + e is not less than 1 and the order of the repeating units parenthesized by subscripts a, b, c, d and e occurring in the formula is not limited to that shown; Y represents hydrogen or alkyl containing 1 to 4 carbon atoms; X represents hydrogen, bromo or iodo; R 1 represents hydroxy or a hydrolyzable substituent group; R 2 represents hydrogen or a monovalent hydrocarbon group; l represents 0, 1 or 2; m represents 1, 2 or 3; and n represents an integer of 2 or above.
Inventors
- 👤 Yuji Daikin Industries Ltd. TANAKA
- 👤 Hitoharu Daikin Industries Ltd. HACHISUKA
- 👤 Takuya Daikin Industries Ltd. ARASE
- 👤 Yoshio Daikin Industries Ltd. NEGISHI
- 👤 Masayoshi Daikin Industries Ltd. TATEMOTO
- 👤 Tetsuo Daikin Industries Ltd. SHIMIZU
- 👤 Sadaatsu Daikin Industries Ltd. YAMAGUCHI
- 👤 Keizo Daikin Industries Ltd. Nagoya DESAKI
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-01 07:07
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C08G65/329; C08G65/336; C08G65/002; C08G65/005; C08G65/007; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31609; Y10T428/31612; Y10T428/31652; Y10T428/31663; Y10T428/31667
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
150 words
A silicon-containing organic fluoropolymer
represented by the general formula (I), which comprises having
a number average molecular weight of from 5x10 2 to 1x10 5 : wherein Rf represents perfluoroalkyl; Z represents fluoro or
trifluoromethyl; a, b, c, d and e each independently
represent 0 or an integer of 1 or above, provided that a + b +
c + d + e is not less than 1 and the order of the repeating
units parenthesized by subscripts a, b, c, d and e occurring
in the formula is not limited to that shown; Y represents
hydrogen or alkyl containing 1 to 4 carbon atoms; X represents
hydrogen, bromo or iodo; R 1 represents hydroxy or a
hydrolyzable substituent group; R 2 represents hydrogen or a
monovalent hydrocarbon group; l represents 0, 1 or 2; m
represents 1, 2 or 3; and n represents an integer of 2 or
above.
Claim 2
Dependent Claim
169 words
A mixture of silicon-containing organic
fluoropolymers represented by the general formula (Ia) and
having a number average molecular weight of from 5x10 2 to
1x10 5 , wherein g is in a mixture of 0 or an integer of 1 or
above and the mean value of the g is greater than 1: wherein Rf represents perfluoroalkyl; Z represents fluoro or
trifluoromethyl; a, b, c, d and e each independently
represent 0 or an integer of 1 or above, provided that a + b +
c + d + e is not less than 1 and the order of the repeating
units parenthesized by subscripts a, b, c, d and e occurring
in the formula is not limited to that shown; Y represents
hydrogen or alkyl containing 1 to 4 carbon atoms; X represents
hydrogen, bromo or iodo; R 1 represents hydroxy or a
hydrolyzable substituent group; R 2 represents hydrogen or a
monovalent hydrocarbon group; l represents 0, 1 or 2; and m
represents 1, 2 or 3.
Claim 3
Dependent Claim
98 words
The silicon-containing organic fluoropolymer
according to Claim 1, which is a polymer represented by the
general formula (II) and having a number average molecular
weight of from 5x10 2 to 1x10 5 : wherein p represents an integer of 1 or above; Y represents
hydrogen or alkyl containing 1 to 4 carbon atoms; X represents
hydrogen, bromo or iodo; R 1 represents hydroxy or a
hydrolyzable substituent group; R 2 represents hydrogen or a
monovalent hydrocarbon group; l represents 0, 1 or 2; m
represents 1, 2 or 3; and n represents an integer of 2 or
above.
Claim 4
Dependent Claim
110 words
A mixture of silicon-containing organic
fluoropolymers represented by the general formula (IIa) and
having a number average molecular weight of from 5x10 2 to
1x10 5 , wherein g is in a mixture of 0 or an integer of 1 or
above and the mean value of the g is greater than 1: wherein p represents an integer of 1 or above; Y represents
hydrogen or alkyl containing 1 to 4 carbon atoms; X represents
hydrogen, bromo or iodo; R 1 represents hydroxy or a
hydrolyzable substituent group; R 2 represents hydrogen or a
monovalent hydrocarbon group; l represents 0, 1 or 2; and m
represents 1, 2 or 3.
Claim 5
Dependent Claim
144 words
A process for preparing the silicon-containing
organic fluoropolymer according to Claim 1, which comprises
reacting an iodine-terminated organic fluoropolymer
represented by the general formula; wherein Rf represents perfluoroalkyl; Z represents fluoro or
trifluoromethyl; a, b, c, d and e each independently
represent 0 or an integer of 1 or above, provided that a + b +
c + d + e is not less than 1 and the order of the repeating
units parenthesized by subscripts a, b, c, d and e occurring
in the formula is not limited to that shown; with a vinylsilane compound represented by the general
formula: wherein Y represents hydrogen or alkyl containing 1 to 4
carbon atoms; R 1 represents hydroxy or a hydrolyzable
substituent group; R 2 represents hydrogen or a monovalent
hydrocarbon group; l represents 0, 1 or 2; and m represents
1, 2 or 3.
Claim 6
Dependent Claim
146 words
A process for preparing the mixture of silicon-containing
organic fluoropolymers according to Claim 2, which
comprises reacting an iodine-terminated organic fluoropolymer
represented by the general formula; wherein Rf represents perfluoroalkyl; Z represents fluoro or
trifluoromethyl; a, b, c, d and e each independently
represent 0 or an integer of 1 or above, provided that a + b +
c + d + e is not less than 1 and the order of the repeating
units parenthesized by subscripts a, b, c, d and e occurring
in the formula is not limited to that shown; with a vinylsilane compound represented by the general
formula: wherein Y represents hydrogen or alkyl containing 1 to 4
carbon atoms; R 1 represents hydroxy or a hydrolyzable
substituent group; R 2 represents hydrogen or a monovalent
hydrocarbon group; l represents 0, 1 or 2; and m represents
1, 2 or 3.
Claim 7
Dependent Claim
167 words
An antifouling substrate which comprises a substrate
and, as formed on the surface thereof, a layer of a silicon-containing
organic fluoropolymer represented by the general
formula (Ix) and having a number average molecular weight of
from 5x10 2 to 1x10 5 : wherein Rf represents perfluoroalkyl; Z represents fluoro or
trifluoromethyl; a, b, c, d and e each independently
represent 0 or an integer of 1 or above, provided that a + b +
c + d + e is not less than 1 and the order of the repeating
units parenthesized by subscripts a, b, c, d and e occurring
in the formula is not limited to that shown; Y represents
hydrogen or alkyl containing 1 to 4 carbon atoms; X represents
hydrogen, bromo or iodo; R 1 represents hydroxy or a
hydrolyzable substituent group; R 2 represents hydrogen or a
monovalent hydrocarbon group; l represents 0, 1 or 2; m
represents 1, 2 or 3; and n x represents an integer of 1 or
above.
Claim 8
Dependent Claim
169 words
A surface-treating method for a substrate, which
comprises coating the substrate surface with a treating
solution comprising (1) a silicon-containing organic
fluoropolymer represented by the general formula (Ix), (2) a
fluorine-containing organic solvent and (3) a silane compound
[excepting said silicon-containing organic fluoropolymer (1)]: wherein Rf represents perfluoroalkyl; Z represents fluoro or
trifluoromethyl; a, b, c, d and e each independently
represent 0 or an integer of 1 or above, provided that a + b +
c + d + e is not less than 1 and the order of the repeating
units parenthesized by subscripts a, b, c, d and e occurring
in the formula is not limited to that shown; Y represents
hydrogen or alkyl containing 1 to 4 carbon atoms; X represents
hydrogen, bromo or iodo; R 1 represents hydroxy or a
hydrolyzable substituent group; R 2 represents hydrogen or a
monovalent hydrocarbon group; l represents 0, 1 or 2; m
represents 1, 2 or 3; and n x represents an integer of 1 or
above.
Claim 9
Dependent Claim
185 words
A surface-treating method for a substrate, which
comprises coating the substrate surface with a treating
solution (N) comprising (3) a silane compound [excepting a
silicon-containing organic fluoropolymer (1) represented by
the general formula (Ix)] for forming an under-layer, and
then coating the under-layer with a treating solution (M)
comprising (1) the silicon-containing organic fluoropolymer
and (2) a fluorine-containing organic solvent: wherein Rf represents perfluoroalkyl; Z represents fluoro or
trifluoromethyl; a, b, c, d and e each independently
represent 0 or an integer of 1 or above, provided that a + b +
c + d + e is not less than 1 and the order of the repeating
units parenthesized by subscripts a, b, c, d and e occurring
in the formula is not limited to that shown; Y represents
hydrogen or alkyl containing 1 to 4 carbon atoms; X represents
hydrogen, bromo or iodo; R 1 represents hydroxy or a
hydrolyzable substituent group; R 2 represents hydrogen or a
monovalent hydrocarbon group; l represents 0, 1 or 2; m
represents 1, 2 or 3; and n x represents an integer of 1 or
above.
Claim 10
Dependent Claim
157 words
A surface-treating composition which comprises (1) a
silicon-containing organic fluoropolymer represented by the
general formula (Ix), (2) a fluorine-containing organic
solvent and (4) an organic solvent [excepting said fluorine-containing
organic solvent (2)]: wherein Rf represents perfluoroalkyl; Z represents fluoro or
trifluoromethyl; a, b, c, d and e each independently
represent 0 or an integer of 1 or above, provided that a + b +
c + d + e is not less than 1 and the order of the repeating
units parenthesized by subscripts a, b, c, d and e occurring
in the formula is not limited to that shown; Y represents
hydrogen or alkyl containing 1 to 4 carbon atoms; X represents
hydrogen, bromo or iodo; R 1 represents hydroxy or a
hydrolyzable substituent group; R 2 represents hydrogen or a
monovalent hydrocarbon group; l represents 0, 1 or 2; m
represents 1, 2 or 3; and n x represents an integer of 1 or
above.
Claim 11
Dependent Claim
20 words
The surface-treating composition according to Claim
10, wherein the organic solvent (4) [excepting the fluorine-containing
organic solvent (2)] is alcohols.
Claim 12
Dependent Claim
140 words
An anti-icing agent which comprises a silicon-containing
organic fluoropolymer represented by the general
formula (Ix): wherein Rf represents perfluoroalkyl; Z represents fluoro or
trifluoromethyl; a, b, c, d and e each independently
represent 0 or an integer of 1 or above, provided that a + b +
c + d + e is not less than 1 and the order of the repeating
units parenthesized by subscripts a, b, c, d and e occurring
in the formula is not limited to that shown; Y represents
hydrogen or alkyl containing 1 to 4 carbon atoms; X represents
hydrogen, bromo or iodo; R 1 represents hydroxy or a
hydrolyzable substituent group; R 2 represents hydrogen or a
monovalent hydrocarbon group; l represents 0, 1 or 2; m
represents 1, 2 or 3; and n x represents an integer of 1 or
above.
Claim 13
Dependent Claim
154 words
A water-repellent glass member which comprises a
glass substrate and, as formed on the glass surface, a layer
of a silicon-containing organic fluoropolymer represented by
the general formula (Ix): wherein Rf represents perfluoroalkyl; Z represents fluoro or
trifluoromethyl; a, b, c, d and e each independently
represent 0 or an integer of 1 or above, provided that a + b +
c + d + e is not less than 1 and the order of the repeating
units parenthesized by subscripts a, b, c, d and e occurring
in the formula is not limited to that shown; Y represents
hydrogen or alkyl containing 1 to 4 carbon atoms; X represents
hydrogen, bromo or iodo; R 1 represents hydroxy or a
hydrolyzable substituent group; R 2 represents hydrogen or a
monovalent hydrocarbon group; l represents 0, 1 or 2; m
represents 1, 2 or 3; and n x represents an integer of 1 or
above.
Claim 14
Dependent Claim
13 words
The water-repellent glass member according to Claim
13, which is used in vehicles.
References Cited (Backward Citations)
No citation records indexed.
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