文档介绍：Wood--positesthatcontainwood(ofanyform),oncecured,,,suchaspolyethyleneandpolyvinylchloride(PVC).mercialproductssuchasmilkjugs,grocerybags,--(Gordon1988).Wood-positeshavebeenmanufacturedintheUnitedStatesforseveraldecades,-posites,whicharemostoftensimplyreferredtoaswood-posites(WPCs)withtheunderstandingthattheplasticisathermoplasticThebirthoftheWPCindustryinvolvedtheinterfacingoftwoindustriesthathavehistoricallyknownlittleabouteachotherandhaveverydifferentknowledge,expertise,,,,calciumcarbonate,mica,andglassorcarbonfiberstomodifytheperformanceofplastic;(.)offillersandreinforcementsareusedannually(Eckert2000).Theindustrywasreluctanttousewoodorothernaturalfibers,suchaskenaforflax,eventhoughthesefibersarefromarenewableresourceandarelessexpensive,lighter,,lowthermalstability,-ranuleswithabulkdensityofabout500kg/[](31pcf).Theplasticsprocessorisfacedwiththeproblemofhowtoconsistentlymeterandforcethelowbulkdensitywoodfiberintosmallfeedope