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Poly(L-lactic acid) PLLA CAS 26811-96-1

CAS NO.
26811-96-1
Molecular formula
(C3H6O3)m
EINECS number
2011962
Name
PLLA
Molecular weight
90.07794
Warranty period
1 year
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Description

Poly-L-lactide (PLLA) is the product resulting from polymerization of L,L-lactide (also known as L-lactide). Progress in biotechnology has resulted in the development of commercial production of the D enantiomer form.
Polymerization of a racemic mixture of L- and D-lactides usually leads to the synthesis of poly-DL-lactide (PDLLA), which is amorphous. Use of stereospecific catalysts can lead to heterotactic PLA which has been found to show crystallinity.

ULI-ECO provides PLLA is an important biodegradable polymer material, which is characterized by non-toxic, non-irritating, biodegradable and absorbable, high strength, good plasticity, and easy processing and molding. The degradation period is 2~12 months. The degradation period can also be changed according to the addition of modifiers. PLLA is decomposed by enzymes in the living body, and finally forms carbon dioxide and water, which has good bio compatibility.

Information

Specification

Item Standard
Appearance off-white powder
Assay ≥98.5%
Ball diameter 20-40 Vm
viscosity 1.0- 1.2
Heavy metals ≤5ppm
Residue on ignition(Sulphated ash) ≤0. 1%

Application

PLLA has been used in the medical field for nearly 40 years, mainly for surgical sutures, dentistry, ophthalmology, pharmaceutical controlled release systems, bone and soft tissue defect fillers, bioabsorbable scaffolds, etc.

Features and Benefits

In the field of medical beauty, the application of PLLA is mainly divided into two categories:
Injection-filled injections, and anti-aging skincare products
The original state of Tongyan Needle is white powder, which needs to be prepared and dissolved before use.
The working principle of Tongyan acupuncture is to stimulate the regeneration of collagen by PLLA ingredients, fill the sunken parts, replenish the facial volume defect, and improve the facial wrinkles from shallow to deep to achieve anti-aging and anti-aging effects.
Tongyan Shuiguang is a solution made of water-soluble PLLA. Its working principle is that after entering the skin, the PLLA component will directly focus on aging fibroblasts, stimulating the regeneration of its own collagen, so as to improve wrinkles, brighten skin tone, and tighten skin. Fine pores, repair barrier effect.

Packaging

25kgs/drum, 9tons/20’container
25kgs/bag, 20tons/20’container

Poly(L-lactic acid) PLLA CAS 26811-96-1 Poly(L-lactic acid) PLLA CAS 26811-96-1

 

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Unilong®️ Group specializes in the research, development, production and operation of biological materials and green solvents. It is a high-tech enterprise integrating the research, development and production of new environmentally friendly and degradable materials.

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