Thermoset polymers tsis txhob muag thaum rhuab vim tias cov molecules yog hla-txuas ua ke thiab nyob ruaj khov. Cov tshuaj sib txuas ua ke tsim nyob rau hauv ib lub polymer, thiab cov duab ntawm cov khoom polymer, cuam tshuam rau nws cov khoom.
Yuav ua li cas thaum lub thermoplastic rhuab?
Thermoplastic pellets soften thaum rhuab thiab ua kua ntau dua li cov cua sov ntau dua Cov txheej txheem kho yog 100% thim rov qab vim tsis muaj tshuaj lom neeg sib txuas. … Raws li cov resin, cov khoom siv thermoplastics tuaj yeem ua rau cov ntawv thov kev ntxhov siab tsawg xws li cov hnab yas lossis tuaj yeem siv rau hauv cov khoom siv dag zog siab.
Puas yog cov yas thermoset tuaj yeem ua kom sov?
Thermoset plastics, lossis thermoset composites, yog cov khoom siv hluavtaws uas muaj zog thaum cua sov, tab sis tsis tuaj yeem ua tiav los yog rov ua dua tom qab pib kub-tsim lossis molding.
Yuav ua li cas thaum lub thermosetting polymer yog rhuab mus rau 300 degrees Celsius?
Cov polymers no muaj lub siab melting point thiab yog li lawv muaj zog thiab kub resistant. Kub: Kev pabcuam kub ntawm cov khoom siv yas thermoset yog 300 ° C. Thaum rhuab mus txog lawv qhov melting point, cov thermoplastics nyiam mus muag thiab tau ib daim ntawv ua kua.
Yuav ua li cas thaum ntsuas kub?
Ib lub thermosetting polymer, feem ntau hu ua thermoset, yog ib qho polymer uas tau los ntawm irreversibly hardening ("kho") ib tug mos mos los yog viscous kua prepolymer (resin). … Kho cov txiaj ntsig nyob rau hauv tshuaj lom neeg cov tshuaj tiv thaiv uas tsim kev sib txuas ntawm cov khoom sib txuas ntawm cov saw hlau los tsim cov khoom siv hluav taws xob tsis tuaj yeem thiab insoluble polymer
