摘要:
The present room temperature curing composition comprises an organopolysilethylenesiloxane represented by the following general formula:
wherein R¹ to R⁴ 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:
The fluorine-containing organosilicon compound of the present invention is represented by the following formula:
wherein Rf is a perfluoroalkyl group. This compound is quite useful as a raw material for the production of polysilethylenesiloxanes excellent in solvent resistance.
摘要:
An organosilicon compound having the general formula (I): wherein R¹ represents the methyl group or the ethyl group, R² represents an alkyl group having from 1 to 4 carbon atoms, and n represents an integer of from 1 to 3. This compound is useful in preparing room temperature vulcaniazable organopolisiloxane compositions which have good storage stability, and release no smelly or corrosive condensation by-product on curing.
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): 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): wherein m and n are as defined above, and at least one silicon-bonded fluorine-containing substituent of the formula (III): C l F 2l+1 (CH₂) 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 l F 2l+1 -(-CH₂-) k -O-(-CH₂-) 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 fluorooxyalkylene group-containing polymer composition comprising 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 hydrolyzable polymer", and a liner fluorooxyalkylene group-containing polymer represented by the formula (2) which has hydrolysable groups at both terminals and is hereinafter called "both-terminal hydrolyzable polymer", wherein the amount of the both-terminal hydrolyzable polymer is 0.1 mole % or more but less than 10 mole %, relative to the total mole of the one-terminal hydrolyzable polymer and the both-terminal hydrolyzable polymer.
摘要:
A perfluoropolyether-modified aminosilane is provided having the necessary minimum fluorine content for the compound to exert water and oil repellency, anti-staining and parting properties. This aminosilane can be diluted with common solvents such as alcohols and used as a surface treating agent on various substrates.