NONEifanelekile kwiiplastiki zekristale ezingaphelelanga ezifana ne-polyethylene kunye ne-polypropylene.Ngokutshintsha indlela yokuziphatha kwe-crystallization ye-resin, inokukhawulezisa izinga le-crystallization, ikhulise ingxinano ye-crystallization kwaye ikhuthaze i-miniaturization yobukhulu beenkozo, ukwenzela ukunciphisa umjikelezo wokubumba, ukuphucula ukucaca kunye nomphezulu wemveliso.Isongezo esitsha esisebenzayo somzimba kunye neempawu zoomatshini ezinje ngeglosi, amandla okuqina, ukuqina, ubushushu bokutshintsha ubushushu, ukuchasana nempembelelo, kunye nokuxhathisa ukukhasa.

NONEibhekisa kwisongezo sekhemikhali esisebenzayo esinokutshintsha inxenye ye-crystallization behaviour, ukuphucula ukungafihli, ukuqina, isicwebezelisi somphezulu, ukuqina kwempembelelo kunye nobushushu be-thermal deformation yemveliso, ukunciphisa umjikelo wokubumba imveliso, kunye nokuphucula ukusetyenzwa kunye nokusebenza kwesicelo. imveliso.

Ii-agent yokucocaisetyenziswa njengomncedisi wokuguqulwa kwepolymer, kwaye indlela yokusebenza kwayo ikakhulu: kwindawo etyhidiweyo, kuba i-agent ye-nucleating ibonelela ngekristale yenucleus efunekayo, utshintsho lwepolymer ukusuka kwi-original nucleation ye-homogeneous ukuya kwi-heterogeneous nucleation, Ngaloo ndlela, i-crystallization. isantya sikhawuleza, ukwakhiwa kweenkozo kusulungekiswa, kwaye kunenzuzo ekuphuculeni ukuqina kwemveliso, ukunciphisa umjikelo wokubumba, ukugcina ukuzinza komgangatho wemveliso yokugqibela, ukuthintela ukusasazwa kokukhanya, ukuphucula ukungafihli kunye neglosi yomhlaba kunye nomzimba kunye iimpawu zomatshini wepolymer.(njengokuqina, i-modulus), nciphisa umjikelo wokucubungula, njl. Njengeklasi ebalulekileyo ye-nucleating agents, umsebenzi oyintloko we-agent ecacileyo kukuphucula umphumo we-polymer.Uphando kunye nophuhliso lwee-agent ze-nucleating kwilizwe lam lwaqala ngo-1980, kwaye zininzi iintlobo.Ngoku i-agent esebenzayo, ephantsi kunye neyorhwebo ye-nucleating agents inokwahlulwa ikakhulu kwii-inorganic nucleating agents, i-organic nucleating agents kunye ne-polymer nucleating agents..Ukongezelela, i-agent agent eguqula i-α-crystal form kwi-PP kwi-β-crystal form ngokuqhelekileyo ikwahlelwa njenge-nucleating agent.