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Dear Customer:

The current international situation is complex and volatile, and the tariff policy remains unclear, which may have a certain impact on the prices of our products. Under these circumstances, we hope to have a friendly communication with you regarding the order matters.

Given the current uncertainties, if you choose to place an order during this period, we reserve the right to adjust the price based on the actual situation. At the same time, we understand that the market changes may bring you some inconvenience. Therefore, if there is a significant price fluctuation due to changes in the tariff policy before the actual delivery of the order, Merck will negotiate with you and adjust or cancel the order as the situation requires.

Merck
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主要文件

719889

Sigma-Aldrich

Resomer® RG 502,聚(D,L-丙交酯-co-乙交酯)

lactide:glycolide 50:50, ester terminated, Mw 7,000-17,000

别名:

RESOMER® RG 502

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CN¥445.66
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1 G
CN¥445.66
5 G
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About This Item

线性分子式:
[C3H4O2]x[C2H2O2]y
UNSPSC代码:
12162002
NACRES:
NA.23

CN¥445.66


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表单

amorphous

投料比

lactide:glycolide 50:50

分子量

Mw 7,000-17,000

降解时间线

<3 months

粘度

0.16-0.24 dL/g, 0.5 % (w/v) in chloroform(25 °C, Ubbelohde) (size 0c glass capillary viscometer)

转变温度

Tg 42-46 °C

运输

wet ice

储存温度

2-8°C

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1 of 4

此商品
719897719900719870
viscosity

0.16-0.24 dL/g, 0.1 % (w/v) in chloroform(25 °C, Ubbelohde) (size 0c glass capillary viscometer)

viscosity

0.16-0.24 dL/g

viscosity

0.45-0.60 dL/g, 0.1 % (w/v) in chloroform(25 °C, Ubbelohde) (size 0c glass capillary viscometer)

viscosity

0.32-0.44 dL/g, 0.1 % (w/v) in chloroform(25 °C, Ubbelohde) (size 0c glass capillary viscometer)

form

amorphous

form

amorphous

form

amorphous

form

amorphous

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

feed ratio

lactide:glycolide 50:50

feed ratio

lactide:glycolide 50:50

feed ratio

lactide:glycolide 50:50

feed ratio

lactide:glycolide 50:50

mol wt

Mw 7,000-17,000

mol wt

-

mol wt

Mw 38,000-54,000

mol wt

Mw 24,000-38,000

应用

Resomer® RG 502可用于制备基于PLGA的纳米 药物递送系统,用于抗炎药物6-溴靛玉红-3′-甘油肟醚(6BIGOE)。

它还可用于制备盐酸纳洛酮递送的控制释放。

特点和优势

  • 生物相容性
  • 生物可降解
  • 可加工成几乎任何形状和尺寸
  • 机械性能可调

法律信息

Evonik产品
RESOMER is a registered trademark of Evonik Rohm GmbH

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

Not applicable

闪点(°C)

Not applicable

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    商品

    Interest in utilizing biodegradable polymers for biomedical applications has grown since the 1960s.

    商业生物材料已停滞不前超过30年的时间,因为很少有材料能够成功地从实验台过渡到临床使用。合成型脂族聚酯因其悠久的历史和获得美国食品药品监督管理局(FDA)批准的记录,一直在可吸收生物材料领域占据主导地位。

    Synthetic aliphatic polyesters dominate resorbable biomaterials in clinical use.

    AliAliphatic polyesters, including polylactide and polyglycolide, are biodegradable polymers widely used in medical applications.

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