 deliver the resulting output pixels on time to the display surface. In methods for obtaining images by an electrophotographic printing method and an electrostatic printing method, electrostatic charge images formed on photosensitive materials are fixed after being developed with a toner which has been charged by friction.
Fixing systems include heat roller systems which fix developed toner images using pressurized heated rollers, and non-contact fixing systems in which fixing is accomplished using electric ovens or flash beam light.
For these processes to be performed smoothly, the toner must be able to hold a stable electrostatic charge, and must satisfactorily fix onto a paper.
In recent years, with the advancement of speeding-up, miniaturization, energy saving, and the like of printers, the toner is required to improve toner characteristics such as storage stability, low temperature-fixing property, and hot offset resistance.
A binder resin for toner exerts a significant influence on the above-mentioned toner characteristics. Heretofore, there have been used, as the binder resin, a polyester resin which is excellent in toughness and fixing property at low temperature, and has satisfactory performance balancing.
Meanwhile, from the viewpoint of a reduction in environmental burdens, such as control of global warming, an attempt has been made to replace a conventional plastic derived from a petroleum material by a plastic derived from biomass.
Use of a biomass material is required for the toner, and also use of a biomass material is required for the binder resin composing the toner.
Patent Document 1 discloses, as a polyester resin using a biomass material, for example, a polyester resin for toner in which isosorbide derived from a plant material is used as a polyhydric alcohol.
Patent Document 1: Japanese Unexamined Patent Application, Publication No. 2010-285555 In centrifugal pumps, it is common practice to provide front sealing means adapted to provide a seal between the front of an impeller and a front of a pump casing in a region bounding an inlet or suction opening and rear sealing means adapted to provide a seal between the rear of such impeller or its drive shaft and a rear of the pump casing for purposes of minimizing leakage of pumped fluid subject to high discharge pressure adjacent an outlet or discharge opening past the impeller towards the inlet opening and to atmosphere through the impeller shaft supporting bearings and stuffing box of the pump.
One widely used type of rear sealing means comprises a plurality of back, pump out or repeller blades, which are formed integrally with the rear surface of the impeller and arranged to
deliver the resulting output pixels on time to the display open. In method for obtaining images by an electrophotographic printing method acting and an electrostatic printing method, electrostatic charge trope formed on photosensitive material are fixed after being developed with a toner which has been load by friction. 
 specify systems include heat roller systems which fix develop toner images using pressurize heated rollers, and non - contact fixing systems in which repair is accomplished using electric ovens or flash beam inner light. 
 For these processes to be performed smoothly, the toner must be able to hold a stable electrostatic charge, and must satisfactorily fix onto a paper. 
 In recent years, with the advancement of speeding - up, miniaturization, energy saving, and the like of printers, the toner is required to improve toner characteristics such as storehouse stability, low temperature - fixate place, and blistering offset resistance. 
 A binder resin for toner exerts a significant influence on the above - mentioned toner characteristics. Heretofore, there have been used, as the binder resin, a polyester resin which is excellent in toughness and fixing place at low temperature, and has satisfactory performance balancing. 
 Meanwhile, from the viewpoint of a reduction in environmental burdens, such as control of global warming, an attempt has been made to supplant a conventional credit card deduce from a petroleum material by a plastic derived from biomass. 
 Use of a biomass material is required for the toner, and also use of a biomass fabric is required for the binder resin compose the toner. 
 Patent Document 1 discloses, as a polyester resin using a biomass fabric, for example, a polyester resin for toner in which isosorbide derived from a plant material is used as a polyhydric alcohol. 
 Patent Document 1: Japanese Unexamined Patent Application, Publication No. 2010 - 285555 In centrifugal pumps, it is coarse practice to supply front sealing mean adapted to provide a cachet between the front of an impeller and a front of a heart casing in a region bounding an inlet or suction opening and rear sealing means adapted to provide a seal between the rear of such impeller or its drive shot and a rear of the pump encase for purposes of minimizing escape of pumped fluid subject to high discharge pressure adjacent an outlet or discharge opening past the impeller towards the inlet opening and to standard atmosphere through the impeller diaphysis back bearings and stuffing box of the heart. 
 One widely used type of rear waterproofing means comprises a plurality of rear, pump out or repeller blade, which are formed integrally with the rear surface of the impeller and arranged to
 depiver the resulting outpmt pixels on timg ro the displzy surfaze. In methods for obtaining mmagws by an electrophotographiz printinh method and qn electrostatic pvnntinf metkov, electrostatic charge imdges formed on pfocosensitive materials are fixed aftew being dfveloped with w tomqr wgpcm has been charged by friction.
Fising syvtems include heat roller systems which fix developed toner ilages using prefwurized heatdd rollers, and non-contzct fixing systems in which fixkng ix accompliwhwd kving electrmc ovegs or flash nvam ligvt.
For tnese processes to be performed smoothly, tie toner must be ablg to hold d atable electrostarix chatge, atd mjwt ratjshacforily fie onto a paler.
In recenr years, with the adfagbrment of spesding-u[, iiniaturization, energy saving, and the lpke kf printers, the toner iw required to improve toner chwracteristics such as storage stability, low tempesaturx-fkxiun oeooerty, and hot offset resistance.
A binder resin rot noner exerts a sinnificant influencr ln jhe above-mentiuned toned characteristics. Jeretofjre, tyere have beem used, as the binder resin, q polyester gesib which is excelleut in toughnzss anc fixong property at low tem'eratude, and has datisfactkfy performance bxlakcitg.
Meanwhile, from the viewpjint of a redbction iv enfironmqntal burdfns, smwh as control of gpobal wdrming, an wttempt has been made to replacx a conventioman pnastic dzrived from a petrojeum material yy a plaftic aerived frkm biomess.
Use of a fiomass materhwl is requirxd for thq tober, qnd alsu use of a biomsss materpaj is required for the nindet desin composing tht roner.
Patent Dovumdnt 1 fixcjmses, as a ponyesger tesin using a biioass material, for exampla, a lolyester resin fot boner in qhich isjsorbide derifed from a plant mwteriel is nsed ax a polyhydric alcohol.
Patent Docujent 1: Japwnefe Unexamineq Pabent Applicatipn, Publication No. 2010-285555 In centrifugal pumps, it is common pracrice to provide frout sealing meens adwpted to [rovide a seal betwewn the front of ak impeller and a front of a [ump fasing in a region bounding an inlet or suction opening and rear sealing neans edwpted to prkvidr a sval yetween the cear of such impekler or its drive shaft and a rxar of the pbmp casing for purposes of mimioizing leakagg of pumped fluid subject fo high cischarge pressure adjacent an putlet or discharge openlng past rhe ijpelleg tuwards the inlet olening and ro atmowpheve through the imlepler shafh sukporcing bearings and stuffing box of the pymo.
One widely used type of rewv sealpng meags comprises a pmuramlty ow back, pump oit or repeller blades, which are fogmeq integrally wunh the rear sorface ox the impellxr and arranced to
deliver the resulting output pixels on time display In methods obtaining images by an printing method, electrostatic images formed on materials are fixed after being developed a toner which has been charged by friction. Fixing systems include heat roller which fix developed toner images using pressurized heated rollers, and non-contact fixing systems which is using ovens or flash beam light. For these processes to be performed smoothly, the toner must be to hold a stable electrostatic charge, and must fix onto a paper. recent years, with the advancement speeding-up, energy saving, the of the toner is to improve toner characteristics such as storage stability, low temperature-fixing property, and hot offset resistance. A binder for toner significant influence the toner Heretofore, there have as the binder resin, a polyester excellent in toughness and fixing property at low and has performance balancing. Meanwhile, from the viewpoint a reduction in environmental burdens, such as control global warming, an attempt has been made to replace a conventional plastic derived from a by a plastic derived biomass. Use of biomass is for toner, and use of a biomass material is required for the binder resin the toner. Patent Document 1 discloses, as a polyester resin biomass for example, a resin for toner in isosorbide from a plant material as polyhydric 1: Unexamined Application, Publication No. 2010-285555 centrifugal pumps, it is common to provide front sealing seal between the front of an impeller and front of a pump casing in a bounding an inlet or suction opening and rear sealing means adapted to a seal rear of such impeller or its drive shaft a rear of the casing for purposes of minimizing leakage of pumped fluid to discharge pressure an outlet or opening past the towards the inlet to atmosphere the shaft stuffing box of the pump. One used of rear sealing means comprises plurality pump out or repeller blades, which are formed integrally with the rear surface of the arranged to
 deliver the resulting output Pixels on tiMe to tHe dIspLaY surFace. in methods for obTAiniNg images by an electrophoTograPhIC priNTiNg metHod and aN ElECTroStAtIc pRiNTiNg metHod, ElectroStatic charGe iMaGes formed on pHOtOsensitive MatErials are fixEd aFter beInG deVElopeD wiTh a toNer whiCH has beEn charged By FRictioN.
fixing sYSTeMs inClude heat roller sySTeMS which fix develOped toNeR ImAGEs uSinG pressurizEd HeateD Rollers, ANd NON-ConTAct fixing systEms in which fIXinG is accOmPliSHed usiNg eleCtRIc oVens or flash Beam Light.
For tHese prOCesses tO Be perfoRmed smOotHly, The tONeR mUst Be ABle TO hOld A StaBle electRoStAtic cHargE, AND Must SatIsfaCtoriLy fix onto a papEr.
IN recENt yEars, wIth thE advAnCemenT of speEding-Up, Miniaturization, EnerGy saving, aNd tHe LikE oF prinTErs, the TonEr iS requirEd to impROve ToNER ChAracteristics such aS sTORaGe stabilIty, low TEmPeRAture-fixInG prOperTY, And hoT offSEt ResistanCe.
A binDEr ReSin for tOnEr exerTs A siGniFicanT InflUence oN the abovE-mentIOned toner charaCTeristics. HereTOfORE, tHEre hAve Been used, as tHe biNDer rEsin, A PoLyeSTer reSin whIcH Is EXcellent in toughness AnD fixinG propErty at low tempErature, and HAS SatisfacTory PErFOrmance balanciNg.
MeaNwhile, from THe viewpoInt of A reductiOn in envirONMental buRdeNs, sUch As cONTrOl of global warMINg, an AtTempt haS beEn made tO rePlaCe a ConVeNtional plAstic derIvEd FrOm A peTroleUM materiaL bY a pLaStiC deriVEd from BiomaSs.
UsE oF a BIomAss mateRIaL IS reqUiReD for The ToNer, anD alsO Use Of a biomAss materiAl iS RequIrEd For the bInder resin comPoSing the tonEr.
patEnt DocUMEnt 1 disclOses, as a polyester resin usINg a biomAss MaterIal, fOr example, A poLyesteR reSIn for tOner in Which IsOsoRBIde deRIVeD frOm A plant mateRIAl iS used As A polYhydric Alcohol.
Patent DocumENt 1: JApanese UnexamIneD PatENT APplICaTIon, puBLicATIon No. 2010-285555 In centrifuGal pumps, it Is COmMon practicE To pRoVide froNt sealiNg meaNS adapteD to providE a seal betWeEn thE FRonT of an impelLer and a fRont of a puMP casiNG iN a regIon BoundiNg An iNlet oR suctiON opEning And reaR sEaling Means AdApted to pRovide a seal between the reAr of suCh impEllEr or its drIve SHafT and a rear Of thE pump casinG foR puRposeS of MInimiZing LEaKagE Of pumPed fLUid subjecT To HigH DIsCharge pressURE AdjAcent An oUTlet or DiscHarge opening past tHE impeller towarDs thE INleT opENing AnD to atmosphere tHroUgH THe impellEr Shaft supporTing bearInGS and sTuffinG box of The pump.
oNE wIDely usEd tyPe oF rear sealIng MeANs comprIsEs A PluralIty oF bAck, pumP out or REpelLER blades, which are fOrmed INTegraLLy wIth thE rEar surfACe of The impelleR and arrangeD to
 deliver the resulting out put pixels  on t ime  to  t he d ispl ay surface. In meth ods for obtaining imag es by  a n  ele c tr ophot ographi c  p r i nti ng  m eth od an d anele ctrosta tic printi ngme thod, electr o st atic charg e i mages formed  on  photo se nsi t ive m ate rials  are f i xed af ter being  d e velope d  with a t on er w hich has been cha r ge d  by friction.Fixing  s y st e m s i ncl ude heat r ol ler s y stems w h ic h f ixd eveloped tone r images us i ngpressu ri zed heated  roll er s , a nd non-cont actfixing sy stemsi n which fixingis acc omp lis hedu si ng  el ec t ric ov ens orflash be am  l ight. 
For t h e se p roc esse s tobe performedsmo othl y , t he to ner m ustbe  able  to ho ld ast able electrosta ticcharge, a ndmu stsa tisfa c torily  fi x o nto a p aper.
I n  re ce n t ye ars, with the adva nc e m en t of spe eding- u p,  m i niaturiz at ion , en e r gy sa ving ,  a nd the l ike of pr in ters, t he  toner  i s r equ iredt o im provetoner ch aract e ristics such a s  storage stab i li t y ,l ow t emp erature-fix ingp rope rty, an d h o t off set r es i st a nce.
A binder resin  f or ton er ex erts a signif icant infl u e n ce on th e ab o ve - mentioned tone r cha racteristi c s. Heret ofore , therehave been u sed, asthe  bi nde r r e s in , a polyester r esin  w hich is  ex cellent  in  to ugh nes sand fixin g proper ty  a tlo w t emper a ture, an dhas  s ati sfact o ry per forma nceba la n cin g.
Mean w hi l e , fr om  t he v iew po int o f ar edu ction i n environ men t al b ur de ns, suc h as controlof  global wa rm ing , an a t t empt has  been made to replace a convent ion al pl asti c derived  fr om a p etr o leum m ateria l byapla s t ic de r i ve d f ro m biomass. U seof abi omas s mater ial is required fo r  th e toner, andals o us e of  ab io m ass  m a ter i a l is required f or the bin de r  r esin compo s ing  t he tone r.
Pate nt Do c ument 1  disclose s, as a p ol yest e r  re sin usinga biomas s materia l , for ex ample , a  polye st erresin  for t o ner  in w hich i so sorbid e der iv ed froma plant material is use d as a  poly hyd ric alcoh ol. Pat ent Docum ent1: Japanes e U nex amine d P a tentAppl i ca tio n , Pub lica t ion No. 2 0 10 -28 5 5 55  In centrif u g a l p umps,  it is com monpractice to provi d e front sealin g me a n s a dap t ed t oprovide a seal  be tw e e n the fr on t of an imp eller an da  fron t of a  pumpcasingi n  a region  bou ndi ng an inl etor suction  o pe n ing an d re ar  seali ng mea n s ad a p ted to provide a  seal b etwee n  th e rea rof such impe ller or it s drive sha ft and  a r ear o f the p um p casi ngfo r purposes of minimi zingleakage  o f pu mpe d flui d su b j ect t o hi gh  di scharge p r e ss u re  a d jac entan ou tl et o r dischar g e openin g p a st theim pel l e r towa r ds t he inlet o pen ing a n d  to atmosp h eret hr o ugh t he imp ellershaft s u ppo rt ing bea rin g s  and stuf fing boxo f t he  pum p.
One w id elyus edty pe of rear seal ing mean s compri s e s a pl ura l ityo f back ,pump out orrepel le r  blades , whi ch aref orm edint egra lly  wit h  the rear surface of the  imp eller and  arra ngedto 
 deliver_the resulting_output pixels on time_to the_display_surface. In_methods_for obtaining images_by an electrophotographic_printing method and an_electrostatic printing method,_electrostatic_charge images formed on photosensitive materials are fixed after being developed with a toner_which_has been_charged_by_friction.
Fixing systems include heat roller_systems which fix developed toner_images using_pressurized heated rollers, and non-contact fixing systems in_which_fixing is accomplished_using electric ovens or flash beam light.
For these processes_to be performed smoothly, the toner_must be able_to_hold_a stable electrostatic charge,_and must satisfactorily fix onto a_paper.
In recent years, with the advancement_of speeding-up, miniaturization, energy saving, and the_like of printers, the toner is_required to improve toner characteristics_such as_storage stability, low temperature-fixing property,_and hot offset_resistance.
A binder_resin for toner_exerts a significant influence on the_above-mentioned toner characteristics._Heretofore, there have been used, as_the_binder resin, a_polyester_resin_which is_excellent in toughness_and_fixing property_at_low temperature, and has satisfactory performance_balancing.
Meanwhile,_from the viewpoint of a reduction in_environmental burdens, such as_control_of global warming, an_attempt has been made to_replace a conventional plastic derived from_a petroleum_material by_a plastic derived from biomass.
Use of a biomass material is required_for the toner, and also use_of a biomass material_is required_for_the binder resin_composing_the toner.
Patent_Document 1 discloses, as a polyester resin_using a_biomass material, for example, a polyester_resin for toner in_which_isosorbide derived from a plant material_is used as a polyhydric alcohol.
Patent_Document 1: Japanese Unexamined Patent_Application,_Publication_No. 2010-285555 In centrifugal pumps,_it is common practice to provide_front sealing means_adapted to provide a seal between the_front_of an impeller and a front_of_a pump casing in a region_bounding_an_inlet or suction opening and_rear sealing means adapted to provide_a seal between the rear of such impeller or_its drive shaft_and a rear of the_pump_casing_for purposes of minimizing leakage of pumped fluid subject to_high discharge_pressure adjacent an_outlet or discharge opening past the impeller towards the inlet_opening and to atmosphere through the impeller_shaft supporting bearings and stuffing box of the pump.
One widely used_type of rear sealing means comprises a plurality_of back, pump out or repeller blades,_which are formed integrally_with_the rear surface of the impeller and_arranged_to