摘要:
A method of producing an organopolysiloxane compound in which a poly(N-acylalkyleneimine) segment comprising repeating units represented by formula (1): is bonded to a terminal end and/or a side chain of an organopolysiloxane segment, the method comprising: a step (a) of subjecting a cyclic imino ether compound represented by formula (I): to ring opening polymerization in a solution thereof which is obtained by mixing the cyclic imino ether compound and a solvent, thereby preparing a solution of a terminal reactive poly(N-acylalkyleneimine); a step (b) of dehydrating a solution which is obtained by mixing a modified organopolysiloxane having an amino group at a terminal end and/or a side chain of its molecular chain and a solvent, such that a water concentration of a mixed solution to be obtained by mixing the solution of the terminal reactive poly(N-acylalkyleneimine) obtained in step (a) and the resultant solution of the modified organopolysiloxane is regulated to be 150 mg/kg or less; and a step (c) of mixing the solution of the modified organopolysiloxane obtained in step (b) and the solution of the terminal reactive poly(N-acylalkyleneimine) obtained in step (a) and allowing the modified organopolysiloxane and the terminal reactive poly(N-acylalkyleneimine) to react, in the above formulae, R1 is a hydrogen atom, an alkyl group having 1 to 22 carbon atoms, an aralkyl group, or an aryl group, and n is 2 or 3.
摘要:
A method of producing an organopolysiloxane compound in which a poly(N-acylalkyleneimine) segment comprising repeating units represented by formula (1): wherein R1 is a hydrogen atom, an alkyl group having 1 to 22 carbon atoms, an aralkyl group, or an aryl group, and n is 2 or 3, is bonded to a terminal end and/or a side chain of an organopolysiloxane segment, the method comprising: a step (a) of subjecting a cyclic imino ether compound represented by formula (I): wherein R1 is a hydrogen atom, an alkyl group having 1 to 22 carbon atoms, an aralkyl group, or an aryl group, and n is 2 or 3, to ring opening polymerization in a solvent, thereby preparing a terminal reactive poly(N-acylalkyleneimine) solution; a step (b) of mixing a modified organopolysiloxane having an amino group at a terminal end and/or a side chain of its molecular chain and a solvent, thereby preparing a modified organopolysiloxane solution; a step (c) of mixing the terminal reactive poly(N-acylalkyleneimine) solution obtained in step (a) and the modified organopolysiloxane solution obtained in step (b), thereby allowing 65 to 95 mol % of total amino groups in the modified organopolysiloxane to react with the terminal reactive poly(N-acylalkyleneimine); and a step (d) of removing the solvent at 100 to 200° C. after completing step (c).
摘要:
A method of producing an organopolysiloxane compound in which a poly(N-acylalkyleneimine) segment comprising repeating units represented by formula (1): wherein R1 is a hydrogen atom, an alkyl group having 1 to 22 carbon atoms, an aralkyl group, or an aryl group, and n is 2 or 3, is bonded to a terminal end and/or a side chain of an organopolysiloxane segment, the method comprising: a step (a) of subjecting a cyclic imino ether compound represented by formula (I): wherein R1 is a hydrogen atom, an alkyl group having 1 to 22 carbon atoms, an aralkyl group, or an aryl group, and n is 2 or 3, to ring opening polymerization in a solvent, thereby preparing a terminal reactive poly(N-acylalkyleneimine) solution; a step (b) of mixing a modified organopolysiloxane having an amino group at a terminal end and/or a side chain of its molecular chain and a solvent, thereby preparing a modified organopolysiloxane solution; a step (c) of mixing the terminal reactive poly(N-acylalkyleneimine) solution obtained in step (a) and the modified organopolysiloxane solution obtained in step (b), thereby allowing 65 to 95 mol % of total amino groups in the modified organopolysiloxane to react with the terminal reactive poly(N-acylalkyleneimine); and a step (d) of removing the solvent at 100 to 200° C. after completing step (c).
摘要:
The present invention relates to a hair dye composition containing a dissociative azo dye which has high dyeing power, is capable of imparting a vivid color to the hair firmly, has excellent fastness to light, shampooing, sweat, friction, and heat, and fades less with the passage of time because the dye is stable against an alkali agent or an oxidizing agent and does not decompose during hair dyeing; and a hair dyeing method using the hair dye composition.
摘要:
The present invention provides a liquid detergent composition being excellent in detergency and dispersion stability and a process for producing the same. The invention provides a liquid detergent composition having a degree of separation by volume of 5% or less after storage for 1 month at 25° C., comprising a liquid phase as the phase (a), a polymeric dispersant as the component (b)] and at least one selected from the group consisting of a crystalline silicate compound and an aluminosilicate compound as the component (c), wherein the component (b) has a cation exchange capacity of not less than 120 CaCO3 mg/g when the water content of the composition is 5% by weight or less and then the aluminosilicate compound only is used as the component (c) or when the water content of the composition is larger than 5% by weight.
摘要:
A hair dye composition containing a triazene dissociative direct dye represented by general formula (1): A-N═N—NH-B (1) wherein A and B are each a monocyclic or a bicyclic aromatic heterocyclic group that may have a substituent or a monocyclic or a bicyclic aryl group that may have a substituent and contain none of a carboxy group, a sulfo group and a quaternary ammonium group; and A and B each bind to a triazene-1,3-diyl group represented by —N═N—NH— via a carbon atom within A and B each. A and B may be the same or different.
摘要:
A hair dye composition containing an azo dye represented by any one of the formulas (1) to (5): [wherein R1, R2a, and R2b each represents a hydrogen atom or a substituent, A and A′ each represents an aromatic heterocyclic residue (having a free valence at carbon atom thereof) and these groups have, in the structure thereof, none of a carboxy group, a sulfo group, and a quaternary ammonium group]; [R represents a coupler component, X1 to X4 represent atoms coupled together with the carbon atom sandwiched between X1 and X4 to form a 5-membered heteroaromatic ring, V1 and V2 each represents a substituent, and a1 and a2 each stands for from 0 to 3]; and [R3 represents a hydroxy group, an alkylsulfonylamino group, an arylsulfonylamino group, or —CH(R4)(R5) (R4 and R5 each representing a substituent having a Hammett's constant ? of 0.2 or greater and less than 1.4), W represents a S atom or N—R6 (R6 representing a substituent), X, Y and Z each represents a nitrogen atom or a carbon atom, R7 and R8 each represents a substituent, and b stands for from 0 to 2].
摘要:
A method and system for displaying a series of video frames in reverse order. The video frames are received in groups of pictures (GOPs) from a storage medium. The method comprises steps of (a) decoding and storing a number of frames from an initial GOP into frame buffers according to an ordering of the frame buffers, (b) displaying the stored frames according to the reverse ordering of the frame buffers, (c) decoding and storing a number of frames from a first preceding GOP according to the reverse ordering of the frame buffers, (d) displaying the stored frames according to the ordering of the frame buffers, (e) decoding and storing a number of frames from a second preceding GOP according to the ordering of the frame buffers, and (f) repeating steps (b)-(e),for prior first and second preceding GOPs.
摘要:
System and method for reproducing information represented by data (e.g., dynamic image compressed data), stored on a storage medium, in reverse order. Group of pictures (GOP) data sets read from a storage medium are stored in a memory (e.g., a stream buffer). Each GOP data set includes a plurality of pictures sequentially ordered from a first picture to a last picture, and each picture includes corresponding picture data. A given GOP data set is read from the memory multiple times in order to reproduce the pictures of the GOP data set in reverse order. In addition to the memory, one embodiment of the system includes a decoder for decoding picture data, and a memory controller coupled to the memory and the decoder. The memory controller receives a GOP data set read from the storage medium, and stores the GOP data set in the memory. The memory controller initializes a counter by storing a value equal to a total number of the pictures in the GOP data set within the counter. The memory controller repeatedly: (i) reads a number of the pictures equal to the counter value from the stream buffer in order beginning with the first picture, (ii) provides the picture data of a last predetermined number of the pictures read from the stream buffer to the decoder; and (iii) updates the value stored in the counter by subtracting the predetermined number from the value stored in the counter, until the counter value is equal to zero.
摘要:
The purpose of the present invention is to improve the rapid SPU playback scheme in a DVD player. In order to achieve this end, the method in accordance with the invention comprises the steps of: comparing the system time clock (STC) with the execution time of an instruction set that provides display control in the sub-picture units (SP_DCSQ_STM_N), forcing the display of pixel data (PXD) contained in a sub-picture unit to suspend operation and to proceed to instruction interpretation of the instruction set in a next sub-picture unit if said comparison means determines, when the sub-picture units are being rapidly played back, that the system time clock performing a rapid increment operation has a greater value than the execution time of the instruction set at least one ahead (SP_DCSQ_STM_N+1) and continuously repeating the instruction interpretation until the execution time of the instruction set coincides with the system time clock.