Products

PEG-PLLA Microspheres

PEG-PLLA microspheres are amphiphilic polymer microspheres made from a combination of polyethylene glycol (PEG) and poly(L-lactic acid) (PLLA). They represent a cutting-edge innovation in the field of biobased materials, offering biodegradable and biocompatible properties and a unique combination of mechanical strength and versatility. By leveraging the properties of both PEG and PLLA, these microspheres are designed to meet the increasing demand for sustainable and high-performance materials in various biomedical applications, including drug delivery, tissue engineering, and controlled release of therapeutics. Moreover, PEG-PLLA microspheres can also be used in personal care industry.

Our Products

At Alfa Chemistry, we have developed proprietary PEG-PLLA microsphere that sets a new benchmark for quality and performance. Product details are shown below.

Product Name: PEG-PLLA Microspheres

Catalog: BBC-PLA303

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Please note that this product is for scientific research purposes only and is not for other uses.

Product Details

Items	Typical Values
Appearance	White powder
CAS Number	PEG: 25322-68-3; PLLA: 33135-50-1
Viscosity-average Molecular Weight	30000-50000, 70000-90000, 90000-110000
Molecular Weight Distribution	≤2.0
Particle Size	20-40 μm, 40-60 μm
Particle Size Span Value	≤0.7

*Customized molecular weight and particle size are available according to customer requirements.

Key Features

High Purity: Our microspheres are synthesized using premium-grade raw materials and advanced production techniques, ensuring minimal impurities and consistent quality.
Adjustable Degradation Rate: By fine-tuning the ratio of PEG to PLLA, we can offer microspheres with customizable degradation rates to meet specific performance requirements.
Uniform Particle Size Distribution: Our microspheres exhibit tight size distribution, ensuring consistent behavior and performance across various applications.
Customizable Sizes: Our microspheres are available in a range of diameters to meet specific application needs.

Storage

Store in sealed containers at room temperature or 4°C. Do not freeze.

Applications of PDLLA Microspheres

Drug Delivery Systems: One of the most significant applications of PEG-PLLA microspheres is in drug delivery. Their ability to encapsulate both hydrophilic and hydrophobic drugs enables precise targeting and controlled release, reducing side effects and improving therapeutic efficacy. They are particularly effective for delivering chemotherapy drugs, peptides, and vaccines.
Tissue Engineering: In regenerative medicine, PEG-PLLA microspheres serve as scaffolds to support cell growth and tissue regeneration. Their biocompatibility and ability to degrade safely make them ideal for creating structures that mimic natural tissues, accelerating healing in orthopedic, dental, and cardiovascular applications.
Cosmetics and Aesthetic Medicine: PEG-PLLA microspheres are also finding their way into the personal care industry. They are used as carriers for active ingredients in skincare products, providing long-lasting effects and enhancing the penetration of beneficial compounds. In addition, PEG-PLLA microspheres are also used as cosmetic facial fillers.