481939
Poly(dimethylsiloxane), hydroxy terminated
viscosity ~25 cSt
Synonym(s):
PDMS
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About This Item
CAS Number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23
MDL number:
mol wt
average Mn ~550
Quality Level
refractive index
n20/D 1.405
viscosity
~25 cSt
bp
182 °C
density
0.95 g/mL at 25 °C
SMILES string
C[Si](C)(O)O
InChI
1S/C2H8O2Si/c1-5(2,3)4/h3-4H,1-2H3
InChI key
XCLIHDJZGPCUBT-UHFFFAOYSA-N
General description
Polydimethylsiloxane(PDMS) is a silicon-basedorganic polymer that is nontoxic, optically clear, inert, and inflammablematerial. It is widely used in heat-resistant lubricants, fire retardants,medical devices, and cosmetics. Polydimethylsiloxane is hydrophobic,cytocompatible, and viscoelastic which can be used to prepare water-repellentcoatings in the textile industry.
Application
PDMS can be used as a precursor in the synthesis of poly(dimethylsiloxane-urethane) elastomers with improved mechanical and thermal properties.
PDMS is a material of choice for ophthalmic applications due to its high mechanical strength, transparency, and oxygen permeability. It can be used as a prepolymer to prepare a glucose permeable interpenetrating network of PDMS and poly (N-isopropyl acrylamide (PNIPAAM). These networks can be used in ophthalmic applications.
PDMS can also be used to synthesize fire and heat-resistant polyurethane-PDMS hybrids. The addition of PDMS provides low flammability and thermal stabilization to polyurethane under pyrolytic conditions.
PDMS is used as an additive to prepare TEOS-based stone protective hybrid crack-free xerogels. The addition of PDMS accelerates the gelling process and helps to achieve effective stone protection.
PDMS is a material of choice for ophthalmic applications due to its high mechanical strength, transparency, and oxygen permeability. It can be used as a prepolymer to prepare a glucose permeable interpenetrating network of PDMS and poly (N-isopropyl acrylamide (PNIPAAM). These networks can be used in ophthalmic applications.
PDMS can also be used to synthesize fire and heat-resistant polyurethane-PDMS hybrids. The addition of PDMS provides low flammability and thermal stabilization to polyurethane under pyrolytic conditions.
PDMS is used as an additive to prepare TEOS-based stone protective hybrid crack-free xerogels. The addition of PDMS accelerates the gelling process and helps to achieve effective stone protection.
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Storage Class
10 - Combustible liquids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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Articles
Self-healing soft electronic materials enable autonomous repair, reducing waste and costs in electronic devices.
Related Content
We offer PDMS surface modification kit which allows for durable hydrophilization of various polydimethylsiloxane (PDMS) surfaces.
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 481939-100ML | 04061832389097 |
| 481939-500ML | 04061832389103 |