JP2005202297A5 - - Google Patents

Description

The seamless belt of the present invention is a seamless belt used in an image forming apparatus, and includes at least a thermoplastic resin and 5 to 50 parts by mass of a polyether ester amide with respect to 100 parts by mass of the thermoplastic resin.
Furthermore, the compound represented by the following general formula (1), the compound represented by the following general formula (2), the pentaerythritol type phosphite compound represented by the following general formula (4), and the following general formula (5) It is characterized by containing at least one selected from alkyl acid phosphate compounds in a total amount of 0.05 to 10% by mass with respect to the polyether ester amide.

（式（１）及び式（２）中、Ｒ_１は炭素数１〜３０のアルキル基、アリール基又はアラルキル基を示す。Ｒ_２、Ｒ_３、Ｒ_４、Ｒ_５、Ｒ_７及びＲ_８はそれぞれ独立に水素又は炭素数１〜１０のアルキル基、アリール基、アラルキル基を示す。Ｒ_６は水素又は炭素数１〜４のアルキル基を示す。）

（式（４）中、Ｒ _１１ 〜Ｒ _１６ はそれぞれ独立に水素又は炭素数１〜１０のアルキル基、アリール基、アラルキル基を示す。）

（式（５）中ｎは１〜２の整数、ｍは１０〜３０の整数を示す。）

(In Formula (1) and Formula (2) , R ₁ represents an alkyl group having 1 to 30 carbon atoms, an aryl group or an aralkyl group. R ₂ , R ₃ , R ₄ , R ₅ , R ₇ and R ₈ are Each independently represents hydrogen or an alkyl group having 1 to 10 carbon atoms, an aryl group or an aralkyl group, and R ₆ represents hydrogen or an alkyl group having 1 to 4 carbon atoms.)

(In Formula (4), R _{11 to} R ₁₆ each independently represent hydrogen or an alkyl group having 1 to 10 carbon atoms, an aryl group, or an aralkyl group.)

(In formula (5), n represents an integer of 1 to 2, and m represents an integer of 10 to 30.)

The seamless belt according to the present invention is a seamless belt used in an image forming apparatus, and includes at least a thermoplastic resin and 5 to 50 parts by mass of a polymer with respect to 100 parts by mass of the thermoplastic resin. Ether ester amide,
Furthermore, the compound represented by the following general formula (1), the compound represented by the following general formula (2), the pentaerythritol type phosphite compound represented by the following general formula (4), and the following general formula (5) It is characterized by containing at least one selected from alkyl acid phosphate compounds in a total amount of 0.05 to 10% by mass with respect to the polyether ester amide.

（式（１）及び式（２）中、Ｒ_１は炭素数１〜３０のアルキル基、アリール基又はアラルキル基を示す。Ｒ_２、Ｒ_３、Ｒ_４、Ｒ_５、Ｒ_７及びＲ_８はそれぞれ独立に水素又は炭素数１〜１０のアルキル基、アリール基、アラルキル基を示す。Ｒ_６は水素又は炭素数１〜４のアルキル基を示す。）

（式（４）中、Ｒ _１１ 〜Ｒ _１６ はそれぞれ独立に水素又は炭素数１〜１０のアルキル基、アリール基、アラルキル基を示す。）

（式（５）中ｎは１〜２の整数、ｍは１０〜３０の整数を示す。）

(In Formula (1) and Formula (2) , R ₁ represents an alkyl group having 1 to 30 carbon atoms, an aryl group or an aralkyl group. R ₂ , R ₃ , R ₄ , R ₅ , R ₇ and R ₈ are Each independently represents hydrogen or an alkyl group having 1 to 10 carbon atoms, an aryl group or an aralkyl group, and R ₆ represents hydrogen or an alkyl group having 1 to 4 carbon atoms.)

(In Formula (4), R _{11 to} R ₁₆ each independently represent hydrogen or an alkyl group having 1 to 10 carbon atoms, an aryl group, or an aralkyl group.)

(In formula (5), n represents an integer of 1 to 2, and m represents an integer of 10 to 30.)

The pentaerythritol type phosphite compound used in the present invention is a compound represented by the following general formula (4) . Under following formula Specific examples of the compound represented by (4), Asahi Denka Co., Ltd. under the trade name ADK STAB PEP-24G, GE Specialty Chemicals, Inc. under the trade name Ultranox 626 (both formula (4) R ₁₁ , R ₁₃ , R ₁₅ , R ₁₆ are t-butyl groups, and R ₁₂ , R ₁₄ are hydrogen), trade name ADK STAB PEP-36 (formula (4) manufactured by Asahi Denka Kogyo Co., Ltd.) In which R _{11 to} R ₁₄ are t-butyl groups, and R ₁₅ and R ₁₆ are methyl groups).

In the present invention, the amount added to at least one seamless belt selected from a pentaerythritol type phosphite compound, a compound represented by the above general formula (1), a compound represented by the above general formula (2) and an alkyl acid phosphate compound The total amount is in the range of 0.05 to 10% by mass, preferably in the range of 0.2 to 4% by mass of the amount of the polyetheresteramide added. More preferably, at least one selected from a pentaerythritol-type phosphite compound, a compound represented by the general formula (1), and a compound represented by the general formula (2) with respect to the amount of the polyether ester amide added. In a total amount of 0 . It is obtained that 0.5 to 1% by mass (more preferably 0.1 to 0.2% by mass) and 0.5 to 3% by mass (more preferably 0.5 to 1% by mass) of an alkyl acid phosphate compound are contained. This is preferable because the surface property and tear resistance of the resulting belt can be balanced at a very high level. Here, the total amount of the pentaerythritol-type phosphite compound, the compound represented by the general formula (1), the compound represented by the general formula (2) and the alkyl acid phosphate compound is the amount of the polyether ester amide added. On the other hand, if it is less than 0.05% by mass, the effect of improving the dispersibility of the polyetheresteramide in the thermoplastic resin is thin, and if it exceeds 10% by mass, the surface property of the product obtained is significantly lowered. That is, the polyether ester amide, the pentaerythritol type phosphite compound, the compound represented by the general formula (1), the compound represented by the general formula (2) and the alkyl acid phosphate compound in the seamless belt of the present invention By adjusting the amount within the above range, it is possible to uniformly disperse the amount of polyether ester amide in the thermoplastic resin that can sufficiently exert the resistance control effect of the seamless belt, while maintaining an excellent resistance control effect. Can provide a seamless belt having excellent tear resistance.

Claims (4)

A seamless belt used in an image forming apparatus, comprising at least a thermoplastic resin and 5 to 50 parts by mass of a polyetheresteramide with respect to 100 parts by mass of the thermoplastic resin,
Furthermore, the compound represented by the following general formula (1), the compound represented by the following general formula (2), the pentaerythritol type phosphite compound represented by the following general formula (4), and the following general formula (5) A seamless belt comprising at least one selected from alkyl acid phosphate compounds in a total amount of 0.05 to 10% by mass with respect to the polyether ester amide.

(In Formula (1) and Formula (2) , R ₁ represents an alkyl group having 1 to 30 carbon atoms, an aryl group or an aralkyl group. R ₂ , R ₃ , R ₄ , R ₅ , R ₇ and R ₈ are Each independently represents hydrogen or an alkyl group having 1 to 10 carbon atoms, an aryl group or an aralkyl group, and R ₆ represents hydrogen or an alkyl group having 1 to 4 carbon atoms.)

(In Formula (4), R _{11 to} R ₁₆ each independently represent hydrogen or an alkyl group having 1 to 10 carbon atoms, an aryl group, or an aralkyl group.)

(In formula (5), n represents an integer of 1 to 2, and m represents an integer of 10 to 30.)
  2. The thermoplastic resin according to claim 1, wherein the thermoplastic resin is selected from thermoplastic fluororesins, acrylonitrile / butadiene / styrene copolymers, polyoxymethylene resins, polycarbonate resins, and polyalkylene terephthalate resins. Seamless belt. An image forming apparatus for forming an image by visualizing an electrostatic latent image formed on an image carrier with a developer, transferring the image onto a transfer material, and fixing the image. An image forming apparatus having a seamless belt. The image forming apparatus according to claim 3, wherein the seamless belt is used as an intermediate transfer belt and / or a transfer conveyance belt.