摘要:
The present invention provides a bisphenol monoester-based stabilizer composition that can improve resistance to discoloration at high temperature of a thermoplastic polymer compared with a conventional one using a bisphenol monoester-based stabilizer composition including a bisphenol monoester-based compound mainly, wherein a compound represented by the following formula:
is contained in an area percentage by liquid chromatography analysis of 0.1 to 3%, a thermoplastic polymer composition and a method of manufacturing the thermoplastic polymer composition, a thermoplastic polymer molded product, and a method of stabilizing a thermoplastic polymer, as well as a thermoplastic polymer composition in which resistance to discoloration at high temperature is improved by using the stabilizer composition and a method of manufacturing the thermoplastic polymer composition, a thermoplastic polymer molded product, and a method of stabilizing a thermoplastic polymer.
摘要:
An object of the present invention is to provide a process for producing a thermoplastic resin composition with a further improved hue, containing a neutralizing agent, and a compound (I). There is provided a process for producing a thermoplastic resin composition, comprising a second step of melting-kneading a melting-kneaded product obtained in a first step, and a compound (I).
(wherein two R 1 s, two R 2 s, R 4 and R 5 each represent independently a hydrogen atom, an alkyl group etc., two R 3 s each represent independently a hydrogen atom or an alkyl group, X represents a single bond, a sulfur atom or a-CHR 6 - group, wherein R 6 represents a hydrogen atom, an alkyl group etc., A represents an alkylene group or a *-COR 7 - group, wherein R 7 represents a single bond or an alkylene group, and a symbol * represents a bond with an oxygen atom of a >P-O- portion, one of Y and Z represents a hydroxyl group, an alkoxy group or an aralkyloxy group, and the other of Y and Z represents a hydrogen atom, or an alkyl group.)
摘要:
A bisphenol monoester compound represented by the formula (1):
wherein each R represents independently a hydrogen atom or a methyl group, and R' represents an alkyl group of a carbon number of 1 to 6, or a hydrogen atom.
摘要:
An object of the present invention is to provide a novel thermoplastic resin composition with improved processing stability, thermal coloration resistance and NOx coloration resistance. Another object of the present invention is to provide a method for stabilizing a thermoplastic res in by improving processing stability, thermal coloration resistance and. NOx coloration resistance of the thermoplastic resin. There are provided a thermoplastic resin composition, which comprises phosphite esters represented by the following general formula (I):
a polymer of dimethyl succinate and 4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol, and hydrotalcite in a thermoplastic resin, and a method for stabilizing a thermoplastic resin, which comprises incorporating phosphite esters by the general formula (I), a polymer of dimethyl succinate and 4-hydroxy-2,2,6,6-tetramethyl-1-piperidineethanol, and hydrotalcit- into a thermoplastic resin.
摘要:
A thermoplastic polymer composition having excellent resistance to heat discoloration has been desired. There is provided a thermoplastic polymer composition characterized by comprising a thermoplastic polymer, phosphites represented by the formula (I), and at least one kind of erythritols selected from the group consisting of pentaerythritol, dipentaerythritol and tripentaerythritol:
wherein R 1 , R 2 , R 4 and R 5 each independently denotes a hydrogen atom, an alkyl group or the like, and R 3 denotes a hydrogen atom or an alkyl group; X denotes a single bound, a sulfur atom or a -CHR 6 group (R 6 denotes a hydrogen atom, an alkyl group or a cycloalkyl group); A denotes an alkylene group or a *-COR 7 group (R 7 denotes a single bond or an alkylene group, and * denotes a bonding hand on the side of oxygen), and one of Y and Z denotes a hydroxyl group or the like, and the other one of Y and Z denotes a hydrogen atom or an alkyl group).
摘要:
The present invention provides a stabilizer containing, as a main component, a bisphenol monoester and a bisphenol-based compound, wherein the area of the bisphenol-based compound is 0.15 to 70 when the area of the bisphenol monoester is set to be 100 in a chromatograph obtained by liquid chromatograph analysis of the stabilizer, a method of manufacturing the same, a thermoplastic polymer composition containing the stabilizer, as well as a stabilizer that can further improve the process stability of the thermoplastic polymer, as compared with the conventional one, by compounding the stabilizer into the thermoplastic polymer through a method of stabilizing the thermoplastic polymer using the stabilizer and a method of manufacturing the stabilizer,
摘要:
An object of the present invention is to provide a process for producing a thermoplastic resin composition with a further improved hue, containing a neutralizing agent, and a compound (I). There is provided a process for producing a thermoplastic resin composition, comprising a second step of melting-kneading a melting-kneaded product obtained in a first step, and a compound (I).
(wherein two R 1 s, two R 2 s, R 4 and R 5 each represent independently a hydrogen atom, an alkyl group etc., two R 3 s each represent independently a hydrogen atom or an alkyl group, X represents a single bond, a sulfur atom or a-CHR 6 - group, wherein R 6 represents a hydrogen atom, an alkyl group etc., A represents an alkylene group or a *-COR 7 - group, wherein R 7 represents a single bond or an alkylene group, and a symbol * represents a bond with an oxygen atom of a >P-O- portion, one of Y and Z represents a hydroxyl group, an alkoxy group or an aralkyloxy group, and the other of Y and Z represents a hydrogen atom, or an alkyl group.)