端羧基左旋聚乳酸

端羧基左旋聚乳酸 - Names and Identifiers

Name	Poly(L-lactide)COOH
Synonyms	OH-PLLA-COOH Poly(L-lactide)COOH

端羧基左旋聚乳酸 - Physico-chemical Properties

Appearance	Crystalline polymer, white to light yellow irregular particles or powder
Storage Condition	-20℃
Sensitive	Easily absorbing moisture

端羧基左旋聚乳酸 - Introduction

Poly(L-lactide)COOH(Poly(L-lactide)COOH) is a poly (L-lactic acid) molecule with terminal carboxylation. Its molecular structure contains a polymer chain of L-lactic acid monomer (L-lactide) and a carboxyl group (COOH) at the end of the chain. Here are details about the compound:

Nature:
1. Poly(L-lactide)COOH is a biodegradable polymer compound with good biocompatibility.
2. It is a colorless or yellowish solid, which can be prepared in different forms according to the required application, such as flake, granular or fibrous.
3. The compound has a high melting point and glass transition temperature, which makes it have good thermal stability in application.

Use:
1. Poly(L-lactide)COOH is widely used in the preparation of biodegradable materials in the medical field, such as sutures, bone nails, implants, etc.
2. It can also be used in the preparation of drug delivery systems to delay drug release through physical or chemical combination with drugs.

Preparation Method:
1. The preparation of Poly(L-lactide)COOH is usually achieved by polymerization. The L-lactic acid monomer is first polymerized to form the intermediate poly-L-lactic acid (PLA), and then the carboxyl group is introduced by an appropriate chemical modification reaction.

Safety Information:
1. Poly(L-lactide)COOH is a relatively safe compound because it can be degraded and excreted by organisms.
2. However, when handling this compound, general laboratory safety procedures should be followed and inhalation or contact with skin should be avoided.
3. When using Poly(L-lactide)COOH as a biomaterial, a safety assessment should be conducted according to the needs of the specific application and follow relevant regulations and guidelines.

Last Update：2024-04-09 20:45:29