全棉稈生產(chǎn)掛面箱紙板和高強(qiáng)瓦楞原紙的研究.pdf

1、分類號：TB4871密級：公開大連輕工業(yè)學(xué)院單位代碼：t0152學(xué)號：T082201010l碩士學(xué)位論文中文題目：全棉稈生產(chǎn)掛面箱紙板和高強(qiáng)瓦楞原紙的研究英文題目：邕器等麓震黼篆宅oL：；刪嘶gh研代噌仆系(院、所)：工程領(lǐng)域：研究生：指導(dǎo)教師：化工與材料學(xué)院制漿造紙工程鄭德庫劉秉鉞教授2005年3月AbstractAbstractThepapermainlystudiedtheprocessingconditionsofmakingh

2、ighstrength(GradeA)corrugatedpaperandkraftlinerwithcottonstalkinlabThefirstpartofthestudywastoanalyzethechemicalcompositionsofcottonfromShanxiProvinceAndstudiedtheprocessingconditionsofmakingKPandAMP，theinfluencesofdiffe

3、rratiopulptopaperqualitiesComparingthematerialofcottonstalkfiberfromShanxiprovincewithhardwood，theashcontent、1％NaOHextractionandhotwaterextractioncontentarehigh，buttheholocelluloseandlignincontentisconsiderable。socottons

4、talkisagoodsubstituteof、~oodfibermaterial，itisadapttomakekraRfacedlinerandhJI曲strengthcorrugatedpaperAccordingtotheexperiment，theresultsshowedthatthebestprocessingconditionstomakekraItpulpofcottonstalkcouldbeobtainedunde

5、rtheconditionsofcookingasfollow：NaOH18％，sulifidity20％，toptemperature170。C，elevatingtime2hourkeepingtimeundertoptemperature120min1iquorto—mwmaterialratio1：6Thepulpobtainedisflexible，easytobeat，andgooddraingeablityAndreocc

6、ureneeexperimentdemonstratedthatthepulpcouldbeproducedwiththeyieldof45％nequalitiesofkraftfacedlinercouldrearchonegradeasfollowratioofKP：AMP。3：7ThebestprocessingconditionstomakeAMPasfollows：1ststage：NaOIt3％pretreatrnentte

7、mperature95。C，pretreatmenttime30rain，liquorto—woodratio1：6：2ndstage：NaOH4％，pretreatmenttemperature90“C，pretreatmenttime30rain，liquorto—woodratiol：5Reoccurrenceexperimentdemonstratedthathighstrength(exceedGradeA)corrugate

8、dpaperofcottonstalkcouldbeproducedwiththeyieldof84％，thebrightnessof19％IS0thebreakinglengthof468kmtheapparentdensityofO549／cm3theringcrushindexofl14Nm／gthefoldingstrength10times、T∞bestprocessingconditionstomakek工aRfacedli

9、nerasfollows：thefacedpulp：thelowpulp=3：7，Thefacedpulpis42‘SR，thelowpulpis46。SRtheapparentdensityoftheboardis0789／cm’，theringcrushindexis2208Nm／g、thefoldingstrengthis6ltimes，thebreakinglengthis639kmthetearindexis802mNm‘／g