BP10957 OH-PDLLA-COOR, Low Molecular Weight Grades (IV ≤ 0.3 dl/g, Mw ≤ 30 kDa)

Catalogue Number	BP10957
Form	Powder/Wax

OH-PDLLA-COOR is the low molecular weight grade of our ester-terminated poly(D,L-lactic acid) series. With an intrinsic viscosity ≤ 0.3 dl/g and molecular weight ≤ 30 kDa, this product features low melt/solution viscosity and excellent processability. Stanford Advanced Materials (SAM) employs precise synthesis control and rigorous analytical verification (GPC, viscometry) to ensure consistent molecular weight and end-group functionality, making it a reliable building block for polymer modification and formulation.

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FAQ

What are the main processing advantages of this low molecular weight ester-terminated PDLLA?

Its low molecular weight results in low melt viscosity and high solubility, facilitating easy blending, compounding, and solution processing. The defined ester end-group provides stability against unintended reactions, making it a predictable component in complex formulations.

How does the intrinsic viscosity (≤ 0.3 dl/g) affect its use in coatings or composites?

This low intrinsic viscosity allows for the preparation of high-solids-content solutions with excellent flow and levelling properties. It is ideal for formulating thin films, coatings, or impregnating agents where penetration and uniform distribution are critical, without requiring excessive solvent use.

What is the typical degradation profile, and how can it be utilised?

Due to its short polymer chains, it undergoes relatively rapid hydrolysis, degrading within months under typical environmental conditions. This property is advantageous for creating temporary binders, sacrificial templates, or deliberately short-lived protective coatings. Degradation rate can be adjusted by selecting specific sub-grades.

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Specification	Details
Product Name	OH-PDLLA-COOR (Low Mw Grade)
Appearance	White to off-white powder or waxy solid
Glass Transition Temperature (Tg)	Typically 30–45 °C (varies with exact Mw)
Molecular Weight (Mw)	Available in precise sub-grades: ≤ 5 kDa; 5–15 kDa; 15–30 kDa Please contact us to select the optimal grade for your application.
Intrinsic Viscosity (IV)	Corresponding sub-grades: ≤ 0.08 dl/g; 0.08–0.18 dl/g; 0.18–0.3 dl/g
Loss on Drying	≤ 0.5 %
Residue on Ignition	≤ 0.5 %
Total Heavy Metals	≤ 10 ppm
Catalyst Residue	≤ 200 ppm
Monomer Residue	≤ 1 %

Specification	Details
Product Name	OH-PDLLA-COOR (Low Mw Grade)
Appearance	White to off-white powder or waxy solid
Glass Transition Temperature (Tg)	Typically 30–45 °C (varies with exact Mw)
Molecular Weight (Mw)	Available in precise sub-grades: ≤ 5 kDa; 5–15 kDa; 15–30 kDa Please contact us to select the optimal grade for your application.
Intrinsic Viscosity (IV)	Corresponding sub-grades: ≤ 0.08 dl/g; 0.08–0.18 dl/g; 0.18–0.3 dl/g
Loss on Drying	≤ 0.5 %
Residue on Ignition	≤ 0.5 %
Total Heavy Metals	≤ 10 ppm
Catalyst Residue	≤ 200 ppm
Monomer Residue	≤ 1 %

BP10957 OH-PDLLA-COOR, Low Molecular Weight Grades (IV ≤ 0.3 dl/g, Mw ≤ 30 kDa)

OH-PDLLA-COOR, Low Molecular Weight Grades Description

OH-PDLLA-COOR, Low Molecular Weight Grades Characteristics

OH-PDLLA-COOR, Low Molecular Weight Grades Applications

OH-PDLLA-COOR, Low Molecular Weight Grades Packing

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FAQ

What are the main processing advantages of this low molecular weight ester-terminated PDLLA?

How does the intrinsic viscosity (≤ 0.3 dl/g) affect its use in coatings or composites?

What is the typical degradation profile, and how can it be utilised?

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