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Organosiloxane compound and surface treatment agent
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A technology of organosiloxane and compounds, which is applied in the field of organosiloxane compounds, can solve the problems of easily visible fingerprints and low visibility of fingerprints, and achieve low visibility, excellent wear resistance, and reduced friction Effect
Pending Publication Date: 2020-09-25
SHIN ETSU CHEM IND CO LTD
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[0005]However, although the film layer made of conventional fluoropolyether group-containing polymers has excellent dirt wiping properties due to its high water and oil repellency, it has The problem is as follows: The sebum contained in the fingerprint is repelled by the surface to form tiny oil droplets, and the fingerprint is easy to be seen due to light scattering
[0007] However, the silane compound described in Patent Document 7 takes several days until fingerprints become hard to see, so it does not have the low visibility of fingerprints that is practically satisfactory.
Method used
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[0384] Hereinafter, synthesis examples, examples, and comparative examples are shown, and the present invention will be described in more detail, but the present invention is not limited by the following examples.
Synthetic example 1
[0386] With ethyl undecylenate 10.0g (4.71 × 10 -2 mol) was heated to 80°C. Next, 1.0×10 toluene solution of chloroplatinic acid / vinylsiloxane complex was added -2 g (based on Pt single substance, containing 0.3×10 - 6 mol), lasted 3 hours to drip 8.6g of trimethoxysilane (7.06×10 -2 mol), heated and stirred for 1 hour. Then, the solvent and unreacted materials were distilled off under reduced pressure to obtain 12.1 g of a compound represented by the following formula (A).
[0387] [chemical 100]
[0388] C 2 h 5 -OOC-(CH 2 ) 10 -Si(OCH 3 ) 3 (A)
[0389] 1 H-NMR
[0390] δ0.8(-(CH 2 ) 7 C H 2 -Si(OCH 3 ) 3 )2H
[0391] δ1.2-1.4(-(C H 2 ) 7 -, -OCH 2 C H 3 )17H
[0392] δ1.6(-OOC-CH 2 C H 2 (CH 2 ) 7 CH 2 -Si-)2H
[0393] δ2.3(-OOC-C H 2 -)2H
[0394] δ3.5(-Si(OC H 3 ) 3 )9H
[0395] δ4.1(-OC H 2 CH 3 )2H
Embodiment 1
[0397] With tetramethyldisiloxane 4.5g (3.4 * 10 -2 mol), 3.6 g of 12N aqueous hydrochloric acid solution, and 2.5 g of 1,4-bis(trifluoromethyl)benzene were cooled to 0°C. Then, drop synthetic in the above-mentioned synthetic example 1 by following formula (A)
[0398] [Chemical 101]
[0399] C 2 h 5 -OOC-(CH 2 ) 10 -Si(OCH 3 ) 3 (A)
[0400] Represented compound 5.0g (1.5×10 -2 mol), aged at 0°C for 6 hours. Then, the lower layer was recovered by a liquid separation operation, and the solvent and unreacted substances were distilled off under reduced pressure to obtain 5.8 g of a product represented by the following formula (B).
[0401] [chemical 102]
[0402]
[0403] 1 H-NMR
[0404] δ0.1-0.2(-Si-C H 3 )18H
[0405] δ0.5(-(CH 2 ) 7 C H 2 -Si(O-Si(CH 3 ) 2 -) 3 )2H
[0406] δ1.2-1.5(-(C H 2 ) 7 -, -OCH 2 C H 3 )17H
[0407] δ1.6(-OOC-CH 2 C H 2 (CH 2 ) 7 CH 2 -Si-)2H
[0408] δ2.3(-OOC-C H 2 -)2H
[0409] δ4.1(-OC H 2 CH 3 )2H ...
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Abstract
Provided are: a (hydrolyzable) organosiloxane compound which is represented by general formula (1) and contains a lipophilic group capable of forming a cured film having excellent lipophilicity and wear resistance; and a surface treatment agent containing the compound. (In the formula, A is any one among -CH3, -C(=O)OR1, -C(=O)NR1 2, -C(=O)SR1, and -P(=O)(OR1)2; R1 is a hydrogen atom, a C1-30 alkyl group, a C6-30 aryl group, or a C7-30 aralkyl group; Y is independently a divalentorganic group; W is independently a C1-4 alkyl group, a phenyl group, a hydroxyl group, or a hydrolyzable group; Ris independently a C1-4 alkyl group or a phenyl group; X is independently a hydroxyl group or a hydrolyzable group; n is an integer of 1-3; and q is an integer of 1-3).
Description
technical field [0001] The present invention relates to an organosiloxane compound and the like containing a hydroxyl group or a hydrolyzable group and a lipophilic group in a molecule. Specifically, it relates to a lipophilic group-containing (hydrolyzable) organosiloxane compound that forms a film excellent in lipophilicity and abrasion resistance, and a surface treatment agent containing the compound. Background technique [0002] In recent years, the use of touch panels for displays has accelerated, starting with mobile phones. Since these are operated by touching them with fingers, dirt such as fingerprints adheres to them and makes them unsightly. Therefore, in order to improve the appearance and visibility, the demand for technology to make fingerprints difficult to adhere to the surface of the display and technology to make fingerprints inconspicuous is increasing year by year, and the development of materials that can meet these needs is desired. [0003] In gener...
Claims
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Application Information
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