Poly(DL-lactide)COOH

Poly(DL-lactide)COOH - Names and Identifiers

Name	Poly(DL-lactide)COOH
Synonyms	OH-DLPLA-COOH Poly(DL-lactide)COOH

Poly(DL-lactide)COOH - Physico-chemical Properties

Appearance	Non-crystalline polymer, white-like to light yellowish brown irregular particles or powder
Storage Condition	-20℃
Sensitive	Easily absorbing moisture

Poly(DL-lactide)COOH - Introduction

Poly(DL-lactide)COOH(Poly(DL-lactide)COOH) is a polymer with carboxyl functional groups, which is formed by the polymerization of lactic acid molecules. The lactic acid molecule contains two enantiomers, levorotatory lactic acid and dextrorotatory lactic acid. Poly(DL-lactide)COOH is formed by polymerization of L-lactic acid and D-lactic acid in a certain proportion, so it is racemic. Its nature is as follows:

1. Physical Properties: Poly(DL-lactide)COOH is a colorless or yellowish solid with good solubility. It can be dissolved in some organic solvents at room temperature, such as chloroform, methanol and dimethylformamide.

2. chemical properties: the carboxyl group (COOH) functional group of poly (DL-lactide)COOH can occur esterification reaction, condensation reaction and ester hydrolysis reaction. It can be decomposed into lactic acid monomer under certain conditions.

Poly(DL-lactide)COOH has a wide range of applications:

1. Biomaterials: Due to its biodegradability, good biocompatibility and controllable degradation rate, Poly(DL-lactide)COOH is often used to prepare various biomedical materials, such as sutures, suture sheets, bone repair materials, etc.

2. Drug delivery system: Poly(DL-lactide)COOH can be used to prepare drug delivery systems to control the release rate of drugs and improve the stability of drugs.

A common method of preparing Poly(DL-lactide)COOH is through a polymerization reaction. In general, poly (DL-lactide)COOH can be prepared by subjecting L-lactic acid and D-lactic acid to a condensation reaction in a specific solvent and under specific reaction conditions.

When using and handling Poly(DL-lactide)COOH, you need to pay attention to the following safety information:

1. Avoid contact with skin and eyes: Poly(DL-lactide)COOH is a chemical substance, contact with skin and eyes may cause irritation and damage. Wear goggles and gloves and avoid inhaling its dust.

2. Avoid exposure to high temperatures and fire sources: Poly(DL-lactide)COOH may melt or decompose at high temperatures, producing irritating gases and vapors.

3. Store in a dry and cool place: In order to prevent the decomposition of Poly(DL-lactide)COOH by moisture, it should be stored in a dry and cool place, and away from organic solvents and oxidants.

These are the properties, uses, formulation and safety information of Poly(DL-lactide)COOH.

Last Update：2024-04-09 21:21:28