absorbable suture raw material poly d lactide PDLA manufacturer

Description

Poly(D-lactide) is a kind of biodegradable materials and with good bioabsorbiblity and biocompatibility. Poly(D-lactide) is currently widely used in the field of medicine devices, such as the absorbable suture, microspheres for drug delivery etc.

Physical-chemical properties

Molecular formula

(C₆H₈O₄)n

Chemical name

Poly(D-lactide), Poly(D-lactic acid), D-polylactide

CAS Registry number

106989-11-1

Chemical structure

Specification 

Test 

Method

Specification

Appearance

Visual

White, pale yellow powder

Inherent viscosity

Ubbelohde viscometer

0.30-1.75 dl/g

Residual monomer

Gas chromatography

<0.5%

Stannum (Catalyst)

Atomic fluorescence spectrometry

<150 ppm

For each batch a certificate of analysis is provided, showing the analytical data determined in our quality control laboratory. Additional analytical data can be made upon request.

Packaging

100g/500g/1Kg per aluminum foil bag

Recommend storage

Stored in a cool and dry place without sunlight, a refrigerator is recommended.

Temperatures (2-8°C)

Shelf life

When stored in the original packaging at low temperatures (2-8°C), PDLA keeps its initial properties for at least two years.

Product catalogue

Model

IV Range

dl/g

Mv Range
 (ten thousand)

PD-05

0.30-0.75

0.6-2.0

PD-10

0.75-1.25

2.0-4.0

PD-15

1.25-1.75

4.0-6.4

IV = Intrinsic viscosity

M_V = Viscosity molecular weight