摘要:
A room temperature curable organopolysiloxane composition is provided. The composition contains a diorganopolysiloxane having at least two groups represented by the following formula (1): per molecule as its main component. In the formula, X is —R′d—NH— or —R′d—S—, R is a substituted or unsubstituted C1-12 monovalent hydrocarbon group, R′ is a C1-8 divalent hydrocarbon group, Y is a hydrolyzable group, b is 2 or 3, and d is 0 or 1. The composition has excellent room temperature curability, and the cured product has excellent moisture resistance. The composition is useful as an adhesive or sealant used at a site where hardness, water resistance, and moisture resistance are required, and in particular, for an adhesive in construction applications and electric and electronic applications where steam resistance and water resistance are required.
摘要:
An RTV organopolysiloxane composition comprising (A) a diorganopolysiloxane having at least two silicon-bonded hydroxyl or hydrolyzable groups and (B) a silane having at least two hydrolyzable groups is loaded with (C) a wet silica having a BET surface area of 50-400 m2/g, a BET/CTAB surface area ratio of 1.0-1.3, and a water content of up to 4%. The composition maintains an appropriate fluidity and prevents the filler from settling down or separating without a need for special surface treatment of the silica filler, addition of any special additive, and heat treatment during manufacture.
摘要:
A control device communicating with a controlled device to control the controlled device includes a first memory to store first authentication information for activation of the controlled device, a second memory to store a key for encryption, a generator to generate third authentication information by encrypting second authentication information transmitted by the controlled device in response to the first authentication information using the key stored in the second memory, a transmitter to transmit the first authentication information or the third authentication information to the controlled device, and a memory controller to store the second authentication information or the third authentication information as first authentication information for next authentication in the first memory.
摘要:
Silyl ketene acetal compounds having a partial structure of formula (1) wherein R and R2 each are a monovalent C1-C12 hydrocarbon group and n is an integer of 1-6 are useful as a terminal alkoxysilylating agent, surface treating agent, storage stabilizer, curing agent or the like.
摘要:
A room temperature fast-curing organopolysiloxane composition which has excellent fast curability as well as deep curability is provided without using an organic compound having C═O group and the organic compound having NH2 group which are the volatile components. A method for curing such composition is also provided. The room temperature fast-curing organopolysiloxane composition comprises: (A) 100 parts by weight of a diorganopolysiloxane having both ends terminated with hydroxy group and/or a hydrolyzable group; (B) 0.5 to 10 parts by weight of a silane and/or a siloxane having at least 3 alkenoxysilyl groups in its molecule and being capable of forming a compound having —NH2 group by hydrolysis; (C) 0.5 to 10 parts by weight of a silane and/or a siloxane having at least 3 aminosilyl groups in its molecule and being capable of forming a compound having —NH2 group by hydrolysis; and (D) 0.01 to 10 parts by weight of a curing catalyst.
摘要:
An electronic system includes: an AC-DC converter to convert an AC voltage into a DC voltage and to supply the DC voltage to a secondary battery; a first detector to detect a remaining amount of the secondary battery; a transmitter to transmit a signal corresponding to the remaining amount of the secondary battery; a receiver to receive the signal transmitted by the transmitter; and a controller to control the AC-DC converter using the signal received by the receiver.
摘要:
According to one embodiment, a radio apparatus configured to communicate with a second radio apparatus after receiving plural first signals transmitted from the second radio apparatus in a constant cycle, the radio apparatus includes: a communication circuit configured to communicate with the second radio apparatus; a wave detection circuit configured to generate a wave detection signal by envelope-detecting the plural first signals; a bandpass filter having an IIR filter, configured to generate a detection signal form the wave detection signal, the detection signal having amplitude is increased at a frequency corresponding to the constant cycle; and a control unit configured to cause supply of power to the communication circuit if the amplitude is larger than a first threshold value.
摘要:
A cleaning fluid comprising at least two components selected from organic acids, organic acid salts, electrolytes, alcohols, and water is safe. When the existing antifouling coating is to be overcoated or repaired, the surface of the existing coating is cleaned with the cleaning fluid so that a repair coating composition may strongly bond to the existing coating.
摘要:
In a remote controller, a startup time or a first time duration until the startup time is input into an input unit. A timer unit counts a clock time or a second time duration. A control unit generates a signal to turn on an electrical apparatus when the second time duration reaches the first time duration, or when the clock time equals to the startup time. A transmitting unit transmits the signal. In the electrical apparatus, a main unit operates main function. A transformer supplies electricity from an external power source to the main unit through a switch. A rectifier rectifies the signal. A signal identifying unit identifies it. A reservation memory unit keeps parameter for main function. A control unit turns on the switch and controls the main unit according to the parameter when the signal is received. A battery supplies electricity to above units.
摘要:
A wireless communication device includes: a packet detection part detecting presence/absence of a reception of a packet; a judgment part judging whether or not temporal change of presence/absence of the reception of the packet detected in the packet detection part corresponds to a predetermined identifier; and a power source control unit controlling power supply from a power source based on a result of a judgment in the judgment part.