mAsTIcATIHe2aBnIaEWorkers operating arubber masticatingThomasHancockmachine
Workers operating a rubber masticating machine Thomas Hancock
4.1.1 The historical developmentIN1B39,CHARLESGO0DYEARDISCOVEREDTHEWAYTO1n1839:CharlesCURERUBBERCESTICKINESSANDBRITTLENESSHEADOEDSULPHURANDGoodyearTREATEDTHECOMPOUNDWITHHEATINHONORCFTHEFATHER CE VULCANIZINGMANYCOMPANIES HAVEUSEDused sulphur and whiteGCODYEARINTHERFIRMNAMES.lead to produce elasticVULCANTHEROMANODOFFIREANDFORGEFROMWHOMTHI5materialsPROCESSOFVULCANIZINGRUBBERGETSITSNAME-Hancock: the concept" vulcanization
▪In 1839: Charles Goodyear used sulphur and white lead to produce elastic materials ▪Hancock : the concept “ vulcanization” 4.1.1 The historical development
4.1.1 The historical developmentmastication:‘getting the shape'vulcanization : ‘setting the shape
mastication: ‘getting the shape' vulcanization : ‘setting the shape’. 4.1.1 The historical development
MSREOCSPLVEARNE无法显示该图片RDBBERGoodyear Co.:ainternationalrubbercompany
Goodyear Co.:a international rubber company
4.1.2. The advent of synthetic rubberFaraday: In 1826 showed that naturalrubber was a hydrocarbon of empiricalformulae.Greville Williams: found thatdestructivedistillation（分解蒸馏）ofnatural rubber yielded a volatile liquidof formula C,Hs
Faraday: In 1826 showed that natural rubber was a hydrocarbon of empirical formulae. Greville Williams: found that destructive distillation (分解蒸馏) of natural rubber yielded a volatile liquid of formula C5H8. 4.1.2. The advent of synthetic rubber