外消旋聚乳酸（PDLLA）聚DL-丙交酯

聚DL-丙交酯（PDLLA）

中文名稱 聚DL-丙交酯，聚DL-乳酸，DL-聚乳酸，外消旋聚乳酸

Chemical Name Poly(DL-lactide)，Poly（DL-lactic acid），DL-polylactide

產(chǎn)品型號 PDL

Product Model

化學(xué)式 (C₆H₈O₄)_n

Chemical Formula

CAS登錄號 26023-30-3

CASregistrynumber

化學(xué)結(jié)構(gòu)

Chemical Structure

應(yīng)用說明:聚DL-丙交酯（PDLLA）是一種生物可吸收降解材料?？捎糜卺t(yī)學(xué)領(lǐng)域，如一次性輸液用具、

免拆型手術(shù)縫合線；藥物控釋、緩釋包裝劑；組織工程支架、骨固定及骨修復(fù)材料、注射用微膠囊、微球、

埋植劑及動物器官支撐彈性體等材料.

Instructions: Poly(DL-lactide) is a kind of biodegradable materials and with good bioabsorbiblity and
biocompatibility.Poly(DL-lactide) is currently widely used in the field of medicine, such as the one-time infusion
equipment, medical surgical suture, drug delivery carriers, tissue engineering scaffolds, bone anchors, injectable
microcapsules, microspheres, implants, elastomer materials for organ support, etc

項(xiàng)目 質(zhì)量指標(biāo)

Text item Quality index

外觀 白色粉末或顆粒

Appearance White powder or particles

粘均分子量 0.6~1,000,000

MV(Viscosity molecular weight)

特性粘度 0.3-11 dL/g

IV (Intrinsic viscosity)

旋光度 -10° - +10°

Specific Rotation

玻璃化溫度 45°C~55°C

Glass Transition Temperature

熔點(diǎn) 無定形

Melting point Amorphous

殘留單體 <1%

Residual Monomers

殘留溶劑 <0.5%

Residual Solvents

重金屬 < 10 ppm

Extractable Heavy Metals

錫 (催化劑) <200 ppm

Stannum (Catalyst)

密度 1.2-1.3g/cm3

Density

硫酸鹽灰分 < 0.1%

Sulfate Ash