Although thedegradationofpolylactid

Although thedegradationofpolylactidehasbeenrelativelywellunderstood,thereisstillalackof
reliable dataonthebehaviorofitscompositesatspecific temperatures.Thispaperstudiesthehydrolytic
degradability ofpolylactide/notactivatedsmectiteclaynanocompositesinthe6weeksaccelerated
degradation at80 1C whichhasnotbeenwidelydocumentedsofar.Thecompositeswith3wt%,5wt%
and 10wt%ofsmectite filler contentobtainedbyinjectionmoldingwereinvestigatedandcomparedto
the neatpolylactidematrixmaterial.Theresultsofdegradationat80 1C werereferredtothehydrolytic
degradation at25 1C and37 1C. Macroscopicchangesinthenanocomposites,theirmolecularweightand
pH ofmediumwasmonitoredduringthedegradationtime.Theinfluence ofclayadditiononthe
crystallization, glasstransitionandthemeltingtemperaturewasalsostudiedbydifferentialscanning
calorimetry (DSC).TheDSCresultsshowthatthepresenceofsmectiteclayresultsinashiftoftheonset
peak forthemeltingtemperaturestowardshighervalueswhilefortheglasstransitiontowardsthe
lowerones.Asignificant differenceindegradationratebetweenthepolylactidematrixandthe
polylactide/claynanocompositeswasalsonoted.Theshorteneddegradationtimeofthenanocomposites
increases theirpotentialforuseinbiomedicalapplications,butalsoindisposablethermoplasticproducts
which areincreasinglyused.

ผลลัพธ์ (ไทย) 1:

แม้ว่า thedegradationofpolylactidehasbeenrelativelywellunderstood, thereisstillalackofที่อุณหภูมิ dataonthebehaviorofitscompositesatspecific ที่เชื่อถือ Thispaperstudiesthehydrolyticdegradability ofpolylactide/notactivatedsmectiteclaynanocompositesinthe6weeksacceleratedย่อยสลาย at80 1C whichhasnotbeenwidelydocumentedsofar Thecompositeswith3wt % 5wt %และ 10wt % ofsmectite ฟิลเลอร์ contentobtainedbyinjectionmoldingwereinvestigatedandcomparedtoneatpolylactidematrixmaterial Theresultsofdegradationat80 1C werereferredtothehydrolyticย่อยสลาย at25 1C and37 c. 1 Macroscopicchangesinthenanocomposites, theirmolecularweightandpH ofmediumwasmonitoredduringthedegradationtime Theinfluence ofclayadditionontheตกผลึก glasstransitionandthemeltingtemperaturewasalsostudiedbydifferentialscanningcalorimetry (DSC) TheDSCresultsshowthatthepresenceofsmectiteclayresultsinashiftoftheonsetforthemeltingtemperaturestowardshighervalueswhilefortheglasstransitiontowardsthe สูงสุดlowerones Asignificant differenceindegradationratebetweenthepolylactidematrixandthepolylactide/claynanocompositeswasalsonoted Theshorteneddegradationtimeofthenanocompositesเพิ่มขึ้น theirpotentialforuseinbiomedicalapplications, butalsoindisposablethermoplasticproductsที่ areincreasinglyused

ผลลัพธ์ (ไทย) 2:

แม้ว่า thedegradationofpolylactidehasbeenrelativelywellunderstood, thereisstillalackof
เชื่อถือ dataonthebehaviorofitscompositesatspecific temperatures.Thispaperstudiesthehydrolytic
สลาย ofpolylactide / notactivatedsmectiteclaynanocompositesinthe6weeksaccelerated
ย่อยสลาย at80 1C whichhasnotbeenwidelydocumentedsofar.Thecompositeswith3wt%% 5wt
และ 10wt% บรรจุ ofsmectite contentobtainedbyinjectionmoldingwereinvestigatedandcomparedto
neatpolylactidematrixmaterial.Theresultsofdegradationat80 1C werereferredtothehydrolytic
ย่อยสลาย at25 1C and37 1C Macroscopicchangesinthenanocomposites, theirmolecularweightand
ค่า pH ofmediumwasmonitoredduringthedegradationtime.Theinfluence ofclayadditiononthe
ตกผลึก glasstransitionandthemeltingtemperaturewasalsostudiedbydifferentialscanning
(DSC) .TheDSCresultsshowthatthepresenceofsmectiteclayresultsinashiftoftheonset
สูงสุด theirpotentialforuseinbiomedicalapplications, butalsoindisposablethermoplasticproducts ซึ่ง areincreasinglyused