摘要:
A coating composition comprising (A) at least one fluorine-containing organosilicon compound represented by the following formula (1) or (2) Rf1-QZ1Aα (1) AαZ1Q-Rf2-(Q-Z2-Q-Rf2)x-QZ1Aα (2) and (B) a fluorine-containing carboxylic acid having a number average molecular weight of from 100 to 10,000 and a fluorine content of at least 25 wt %, wherein an amount of (B) ranges from 0.001 to 10 parts by weight per 100 parts by weight of the component (A) wherein the amount of (B) ranges from 0.001 to 10 parts by weight per 100 parts by weight of the component (A), wherein the composition can be cured rapidly even at room temperature to produce water-repellent and antifouling coatings.
摘要:
A curable fluoropolyether rubber composition comprising (A) a straight-chain fluoropolyether compound having at least two alkenyl groups and a perfluoropolyether structure backbone, (B) an organosilicon compound having at least two silicon atom-bonded hydrogen atoms, which all form H—SiCH2— structures, and (C) a hydrosilylation catalyst cures into parts which have good heat resistance, chemical resistance, solvent resistance, parting property, water repellency, oil repellency and weather resistance as well as improved acid and alkali resistance and are useful as sealants.
摘要:
A fluorooxyalkylene group-containing polymer composition including a liner fluorooxyalkylene group-containing polymer represented by the formula (1) which has a hydrolysable group at a terminal and is hereinafter called “one-terminal modified polymer”, and a liner fluorooxyalkylene group-containing polymer represented by the following formula (2) which has hydrolysable groups at the both terminals and is hereinafter called “both-terminal modified polymer”, wherein an amount of the both-terminal modified polymer is 0.1 mole % or more and less than 10 mole %, relative to a total mole of the one-terminal modified polymer and the both-terminal modified polymer.
摘要:
Fluorinated organosilicon compounds having formula (1) wherein Rf is a perfluoroalkyl group containing at least one ether bond, Q is a polyether group in the form of a homopolymer chain of ethylene glycol or propylene glycol or a copolymer chain of both, R is hydrogen or alkyl, X is a divalent linking group exclusive of oxygen atom, Y is a divalent linking group, p is an integer of at least 3, and n is a number of 0
摘要:
Fluorinated organosilicon compounds having formula (1) wherein Rf is a perfluoroalkyl group containing at least one ether bond, Q is a polyether group in the form of a homopolymer chain of ethylene glycol or propylene glycol or a copolymer chain of both, R is hydrogen or alkyl, X is a divalent linking group exclusive of oxygen atom, Y is a divalent linking group, p is an integer of at least 3, and n is a number of 0
摘要:
The present room temperature curing composition comprises an organopolysilethylenesiloxane represented by the following general formula: ##STR1## wherein R.sup.1 to R.sup.4 each represent an alkyl having up to 8 carbon atoms or a phenyl group and n is an integer of 10 or above, and an organosilane or an organosiloxane having two or more hydrolyzable groups such as alkoxy groups in the molecule. The composition can form a cured product high in rubber strength and excellent in chemical resistance.
摘要:
A curable silicone composition comprising as a basic component an organopolysiloxane having at least two silicon-bonded alkenyl groups, a silicon-bonded fluorine-containing substituent of the formula (I): ##STR1## wherein m is an integer of from 1 to 4, and n is an integer of from 1 to 6, and/or the formula (II): ##STR2## wherein m and n are as defined above, and at least one silicon-bonded fluorine-containing substituent of the formula (III):C.sub.l F.sub.2l+1 (CH.sub.2).sub.k -- (III)wherein k is an integer of from 1 to 4, and l is an integer of from 1 to 10, and/or the formula (IV):C.sub.l F.sub.2l+1 --(--CH.sub.2 --).sub.k --O--(--CH.sub.2 --).sub.m --(IV)wherein k, l and m are as defined above, and further comprising an organohydrogenpolysiloxane, and a platinum family metal catalyst. This composition can form a coating film having a low surface energy and therefore having good release properties, etc.
摘要:
A diluent for a fluorine-containing silicone coating agent, said diluent comprising (A) at least one selected from diisopropyl ether and hexane, and (B) a fluorinated solvent having a boiling point, at atmospheric pressure, which is higher than that of the component (A) by at least 30° C. and is 180° C. or lower, with a weight ratio of the component (A) to the component (B) ranging from 95/5 to 50/50.
摘要:
Novel perfluoropolyether-modified silanes are improved in water/oil repellency, parting properties, chemical resistance, lubricity, durability, antifouling properties and fingerprint wipe-off. An antireflection filter is also provided comprising an inorganic antireflection layer including a surface layer in the form of a silicon dioxide-base inorganic layer, and an antifouling layer, preferably of the perfluoropolyether-modified silane, on the surface layer. The antifouling layer has a sliding angle of oleic acid of up to 5°, a change of the sliding angle after solvent washing relative to the sliding angle before solvent washing being up to 10%.
摘要:
A cured fluorine-containing material comprising a perfluoropolyether of the formula: —(Rf—O)q— wherein Rf is a perfluoroalkylene group of 1-6 carbon atoms and q is 1-500 as the backbone is suitable as an antireflection film since it has a low refractive index of up to 1.335 at 25° C.