摘要:
This invention provides a triblock copolymer useful as a compatibilizer for biodegradable polymers, such as polylactic acid, and general-purpose polymers.Namely, this is a triblock copolymer represented by the below general formula (i), wherein each R1 is independently selected from the group consisting of H, —CH3, —C2H5, and —CH2CH(CH3)2, n is an integer of 10 to 1000, and A represents a polyester block obtained by subjecting one or more cyclic esters selected from the group consisting of lactides, glycolides and lactones, to ring-opening polymerization.
摘要:
This invention provides a triblock copolymer useful as a compatibilizer for biodegradable polymers, such as polylactic acid, and general-purpose polymers.Namely, this is a triblock copolymer represented by the below general formula (i), wherein each R1 is independently selected from the group consisting of H, —CH3, —C2H5, and —CH2CH(CH3)2, n is an integer of 10 to 1000, and A represents a polyester block obtained by subjecting one or more cyclic esters selected from the group consisting of lactides, glycolides and lactones, to ring-opening polymerization.
摘要:
The present disclosure relates to a novel polyolefin having a terminal double bond and a method of producing the same. A polyolefin having a terminal double bond includes a polyolefin having a terminal double bond at either end and a polyolefin having a terminal double bond at one end, which are thermal degradation products of a polyolefin. An average number of terminal vinylidene groups per molecule is 1.3 to 1.9, a number average molecular weight (Mn) is 50,000 to 5,000,000, and a polydispersity index (Mw/Mn) of a molecular weight distribution is less than or equal to 5.0.
摘要:
There is provided a method of removing acids from the surface and interior of an acetate film produced by deterioration during storage. Such methods are characterized by extracting and removing the acids from the surface and interior of the acetate film, and the extraction treatment includes solvent extraction or evacuation (heating). This method suppresses the deterioration process in the storage of the acetate film.
摘要:
A polyesterified block copolymer represented by the general formula (1), (2) or (3) (for example, polyolefin/polyolefin block copolymer of the following general formula (1)), obtained by an esterification reaction between a terminal maleated polymer and a terminal hydroxylated polymer. Also, a process for producing the same is provided. (1) wherein each of R1 and R2 represents hydrogen or methyl; m is an integer of 10 to 200; n is an integer 10 to 200; k is an integer 5 of to 3000.
摘要:
In a computer system for playing a computer game of the present invention, the computer game is a competing type game and specific characteristic data of each of game players is stored in a memory card of each game player. The specific characteristic data is removable from one memory to another memory in accordance with result of the competing game. The memory card is detachable from the computer system. Further, the computer system is able to be connected with a network. Therefore, a skill of the game player is displayed and stored clearly and correctly. Further, each skill of the game players is displayed on all display units of the game players at same time on the network. Therefore, all game players are able to play a same computer game at the same time on the network and one game player is able to recognize the skills of other game players on the network
摘要:
The configuration procedure for an access code and for a security code is provided, comprising: providing references retaining element file that records the base checkerboard-like substrate, checkerboard-like substrates and the color substrates as a graphical image with a hierarchical layered structure arranged on the base substrate, assigning the digital elements to both the x- and the y-axes of the base substrate, assigning the digital elements assigned to the references retaining element on the base substrate perpendicular to the selected two retaining element to the selected two retaining element of the checkerboard-like substrate, configuring code based on the assigned digital elements and the prescribed priority order of the first and areal codes and at the time of the code configuration, recording the location of the retaining element, coaxially rotating the checkerboard-like substrates and color substrates with respect to base checkerboard-like substrate, whereby a new code is configured based on the assigned digital element of the retaining element and the prescribed priority order of the first and second areal codes, and in data accessing, performing code inputting after returning each position of the retaining elements to their initial locations based on the record of each of the retaining elements' relationship of the positions.
摘要:
A stereo code which can display a large amount of information on a small area without impairing the beauties of the goods etc. is provided, the stereo code comprising: a first stage information displaying region as a basic shape, comprising an inlaying body made up of a first rectangle having a prescribed area and displaying code information, and an inlaid body which is a second rectangle having an area half the first rectangle placed such that each intersection point of each two side constructing the inlaid body is internally touched with each side of the inlaying body, and displaying optically or magnetically readable code information based on the reflection of an irradiated light or magnetic force of a magnetic substance applied on the regions of four corners formed by surrounding the inlaid body by the inlaying body; and a second stage information displaying region comprising an inlaying body which is the inlaid body of the first stage and an inlaid body internally touched with the inlaying body, a third stage information displaying region comprising an inlaying body which is the inlaid body of the second stage and an inlaid body internally touched with the inlaying body, and similarly an n th stage information displaying region comprising an inlaying body which is the inlaid body of the previous stage and an inlaid body internally touched with the inlaying body.
摘要:
There is disclosed a method for the preparation of a copolymer of polypropylene and organopolysiloxane, the method comprising heating a solution of an .alpha., .omega.-diene-propylene polymer and an organohydrido polysiloxane having on average at least two SiH groups in one molecule at a temperature below the boiling point of the solvent. Preferably, the .alpha., .omega.-diene-propylene polymer is obtained by subjecting polypropylene to thermal decomposition in an inert atmosphere at a pressure below atmospheric pressure.
摘要:
There is provided a method of removing acids from the surface and interior of an acetate film produced by deterioration during storage. Such methods are characterized by extracting and removing the acids from the surface and interior of the acetate film, and the extraction treatment includes solvent extraction or evacuation (heating). This method suppresses the deterioration process in the storage of the acetate film.