PDLLA Poly(DL-lactide) CAS 51056-13-9

CAS:51056-13-9

Usoro Molekụla:(C6H8O4)n

Oge Nchekwa:Afọ 1

Okwu ndị yiri ya:PDLLA; Poly(DL-lactide); Poly(DL-lactic acid); DL-polylactide

Hapụ Ozi Gị

Nkọwa Ngwaahịa

Budata

Akara Ngwaahịa

Kedu ihe bụ PDLLA Poly(DL-lactide) CAS 51056-13-9?

PDLLA bụ polima amorphous nke nwere okpomọkụ mgbanwe iko nke 50-60℃ na oke viscosity nke 0.2-7.0dl/g. FDA akwadola ihe a ma nwee ike iji ya dị ka ihe mgbakwunye maka mucosa ịwa ahụ ọgwụ na-egbochi nrapado, obere kapsụl, obere ihe na ihe ndị e ji etinye ihe maka ntọhapụ na-adịgide adịgide, a pụkwara iji ya dị ka ihe ndị nwere oghere maka imepụta mkpụrụ ndụ na idozi ọkpụkpụ ma ọ bụ ihe ndozi anụ ahụ, dị ka ihe e ji akwa ịwa ahụ, ihe e ji etinye ihe, akpụkpọ ahụ e ji aka rụọ, arịa ọbara e ji aka rụọ, na retina anya.

Nkọwapụta

ihe	Nsonaazụ
Viskọs dị n'ime	0.2-7.0dl/g (0.1% g/mL, chloroform, 25°C)
Nkezi ibu molekụla nkezi viscosity	5000-70w
Okpomọkụ mgbanwe iko	50-60°C
Ihe mgbaze fọdụrụ	≤70ppm
Mmiri fọdụrụ	≤0.5%

Ngwa

‌1. Nkà Ọgwụ na Ahụ́ike‌: A na-eji PDLLA eme ihe dị ka ihe na-emeju ihu n'ihe gbasara nkà mmụta ọgwụ n'ihi na ọ na-adaba n'ahụ mmadụ nke ọma ma na-emebi emebi. Ọ nwere ike ịkpalite mmepụta nke collagen akpụkpọ ahụ, si otú a na-eme ka akpụkpọ ahụ daa, wrinkles na ịda mbà n'obi ka mma.

‌2. Ngwaọrụ ahụike‌: A na-ejikwa PDLLA eme ihe nke ukwuu n'ihe gbasara ngwaọrụ ahụike, dịka mkpuchi ọgwụ maka stents coronary a na-emebi emebi, ihe e ji akwa ịwa ahụ, ihe mkpuchi hemostatic, wdg. Ezigbo ndakọrịta ya na ire ere na-eme ka ngwaọrụ ahụike ndị a dị nchebe ma dị irè karị n'oge eji ha.

‌3. Injinịa anụ ahụ‌: PDLLA nwekwara ọrụ dị mkpa n'ọhịa injinịa anụ ahụ, dịka ihe ndozi ọkpụkpụ na ihe ndozi ọkpụkpụ, ihe eji arụ ọrụ injinịa anụ ahụ, wdg. Nhazi ya nwere oghere na-enyere aka ijikọ na itolite nke mkpụrụ ndụ, si otú a na-akwalite ndozi na mmụba nke anụ ahụ.

4‌. Ntọhapụ ọgwụ a na-achịkwa: Enwere ike iji PDLLA maka mwepụta ọgwụ a na-achịkwa yana nkwakọ ngwaahịa mwepụta na-adịgide adịgide. Site n'ijikọta ya na ọgwụ iji mepụta ụdị ọgwụ dịka microspheres ma ọ bụ microcapsules, enwere ike nweta mwepụta nwayọ nwayọ na mmetụta na-adịgide adịgide nke ọgwụ, si otú a melite arụmọrụ na nchekwa nke ọgwụ.

‌5. Mmebi nke PDLLA‌: PDLLA na-ebelata nwayọ nwayọ, nke na-eme ka o nwee ike inye mmetụta ọgwụgwọ na-adịgide adịgide n'ọrụ ahụike. Ngwaahịa mmebi ya bụ lactic acid, nke a na-eme ka ọ ghọọ carbon dioxide na mmiri, ọ naghịkwa egbu egbu ma ọ bụ na-emerụ ahụ mmadụ ahụ‌