Endless belt, image forming apparatus, and endless belt unit
An endless belt includes a polyamide imide resin layer in which a content of at least one solvent selected from a solvent group A consisting of a urea solvent, an alkoxy group-containing amide solvent, and an ester group-containing amide solvent is from 0.005 parts by weight to 3 parts by weight with respect to 100 parts by weight of the polyamide imide resin layer.
1. An endless belt comprising:
a polyamide imide resin layer in which a content of at least one solvent selected from a urea solvent, an alkoxy group-containing amide solvent, and an ester group-containing amide solvent is from 0.005 parts by weight to 3 parts by weight with respect to 100 parts by weight of an entirety of the polyamide imide resin layer.
2. The endless belt according to claim 1 ,
wherein the content of the at least one solvent is from 0.05 parts by weight to 2 parts by weight with respect to 100 parts by weight of an entirety of the polyamide imide resin layer.
3. The endless belt according to claim 2 ,
wherein a boiling point of the at least one solvent is from 100° C. to 350° C.
4. The endless belt according to claim 2 ,
wherein the at least one solvent is selected from tetramethyl urea, tetraethyl urea, 1,3-dimethyl-2-imidazolidinone, N,N′-dimethylpropylene urea, 3-methoxy-N,N-dimethylpropanamide, and 3-n-butoxy-N,N-dimethylpropanamide.
5. The endless belt according to claim 4 ,
wherein the at least one solvent is 1,3-dimethyl-2-imidazolidinone.
6. The endless belt according to claim 2 ,
wherein the polyamide imide resin layer further comprises conductive particles.
7. The endless belt according to claim 1 ,
wherein the content of the at least one solvent is from 0.1 parts by weight to 1 part by weight with respect to 100 parts by weight of an entirety of the polyamide imide resin layer.
8. The endless belt according to claim 7 ,
wherein a boiling point of the at least one solvent is from 100° C. to 350° C.
9. The endless belt according to claim 7 ,
wherein the at least one solvent is selected from tetramethyl urea, tetraethyl urea, 1,3-dimethyl-2-imidazolidinone, N,N′-dimethylpropylene urea, 3-methoxy-N,N-dimethylpropanamide, and 3-n-butoxy-N,N-dimethylpropanamide.
10. The endless belt according to claim 9 ,
wherein the at least one solvent is 1,3-dimethyl-2-imidazolidinone.
11. The endless belt according to claim 7 ,
wherein the polyamide imide resin layer further comprises conductive particles.
12. The endless belt according to claim 1 ,
wherein a boiling point of the at least one solvent is from 100° C. to 350° C.
13. The endless belt according to claim 12 ,
wherein the polyamide imide resin layer further comprises conductive particles.
14. The endless belt according to claim 1 ,
wherein the at least one solvent is selected from tetramethyl urea, tetraethyl urea, 1,3-dimethyl-2-imidazolidinone, N,N′-dimethylpropylene urea, 3-methoxy-N,N-dimethylpropanamide, and 3-n-butoxy-N,N-dimethylpropanamide.
15. The endless belt according to claim 14 ,
wherein the at least one solvent is 1,3-dimethyl-2-imidazolidinone.
16. The endless belt according to claim 15
wherein the polyamide imide resin layer further comprises conductive particles.
17. The endless belt according to claim 14 ,
wherein the polyamide imide resin layer further comprises conductive particles.
18. The endless belt according to claim 1 ,
wherein the polyamide imide resin layer further comprises conductive particles.
19. An image forming apparatus comprising:
the endless belt according to claim 1 .
20. An endless belt unit comprising:
the endless belt according to claim 1 ; and
a plurality of rolls which the endless belt is stretched over in a state where tension is applied.