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Polyester(聚酯)isnowbeingusedforbottles.ICI,thechemicalsandplasticscompany,believesthatitisnowbeginningtobreakthegripofglassonthebottlebusinessandthustakeadvantageofthishugemarket.
Alltheplasticsmanufacturershavebeenexperiencinghardtimesastheirtraditionalproductshavebeendoingbadlyworld-wideforthelastfewyears.Between1982and1984thePlasticsDivisionofICIhadlostahundredandtwentymilliondollars,andtheyfeltthatthe.mosthopefulnewmarketwasinpackaging,bottlesandcans.
Since1982ithasopenedthreenewfactoriesproducing"Melinar",therawmaterialfromwhichhighqualitypolyesterbottlesaremade.
Thepolyesterbottlewasborninthe1970s,whensoftdrinkscompanieslikeCocaColastartedsellingtheirdrinksingianttwo-litercontainers.Becauseofthebuild-upofthepressureofgasintheselargecontainers,glasswasunsuitable.NorwasPVC,theplasticwhichhadbeenusedforbottlessincethe1960s,suitablefordrinkswithgasinthem.Anewplastichadtobemade.
Glassisstillcheaperforthesmallerbottles,andwillcontinuetobesounlessoilandplasticbecomemuchcheaper,butplasticdoeswellforthelargersizes.
Polyesterbottlesarevirtuallyunbreakable.Themanufacturersclaimtheyarealsolighter,lessnoisywhenbeinghandled,andcanbereused.Shopkeepersandotherbusinesspeopleareunlikelytoobjecttoachangefromglasstopolyester,sincethesebottlesmeanfewbreakages,whicharecostlyandtime-consuming.Thepublic,though,havebeenmoredifficulttopersuade.ICI'scommercialdepartmentisdevelopingdifferentbottleswithinterestingshapes,totryandmakethemvisuallymoreattractivetothepublic.
Thenextstepcouldbetodevelopaplasticwhichcouldreplacetinsforfood.Theproblemhereisthehightemperaturesnecessaryforcookingthefoodinthecontainer.
26.Plasticsofvariouskindshavebeenusedformakingbottles__________.
A.since1982
B.sincethe1970sbutonlyforlargebottles
C.sincethe1960sbutnotforliquidswithgasinthem
D.sincecompanieslikeCocaColafirsttriedthem
27.WhyisICI'sPlasticsDivisioninterestedinpolyesterforbottles?
A.Theotherthingstheymakearenotsellingwell.
B.Glassmanufacturerscannotmakeenoughnewbottles.
C.Theyhavefactorieswhichcouldbeadaptedtomakeit.
D.Thepriceofoilkeepschanging.
28.Whyaren'tallbottlesnowmadeofpolyester?
A.Thepriceofoilandplastichasrisen.
B.Itisnotsuitableforcontaininggassydrinks.
C.Thepublicliketraditionalglassbottles.
D.Shop-keepersdislikereusablebottles.
29.Manufacturersthinkpolyesterbottlesarebetterthanglassbottlesbecausethey
A.arecheaperB.aremoresuitedtosmallsizes
C.aremoreexcitingtolookatD.donotbreakeasily
30.Plasticcontainersforholdingfoodinthesamewayascans______.
A.havebeenusedformanyyears
B.areanideathatintereststheplasticscompanies
C.arepossible,butonlyforhotfood
D.arethefirstthingsbeingmadeinthenewfactories
