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MilliporeSigma

433012

Sigma-Aldrich

Poly(dimethylsiloxane), vinyl terminated

average Mw ~25,000, viscosity 850-1,150 cSt (25 °C)(lit.)

Synonym(s):

PDMS

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About This Item

CAS Number:
MDL number:
UNSPSC Code:
12162002
PubChem Substance ID:
NACRES:
NA.23

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form

liquid

Quality Level

mol wt

average Mw ~25,000
average Mw ~25,000

refractive index

n20/D 1.4052

viscosity

850-1,150 cSt(25 °C)(lit.)

bp

>93 °C (lit.)

iodine value

2.2‑3.5

density

0.965 g/mL at 25 °C (lit.)

SMILES string

C[Si](C)=O

InChI

1S/C8H18OSi2/c1-7-10(3,4)9-11(5,6)8-2/h7-8H,1-2H2,3-6H3

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This Item
432997481955481246
viscosity

850-1,150 cSt(25 °C)(lit.)

viscosity

18,000-22,000 cSt

viscosity

~65 cSt

viscosity

100 cP(25 °C)(lit.)

form

liquid

form

viscous liquid

form

-

form

-

density

0.965 g/mL at 25 °C (lit.)

density

0.97 g/mL at 25 °C

density

0.97 g/mL at 25 °C

density

0.98 g/mL at 25 °C (lit.)

mol wt

average Mw ~25,000

mol wt

-

mol wt

-

mol wt

average Mn ~5,600

bp

>93 °C (lit.)

bp

-

bp

>200 °C

bp

-

Application

Mold-making elastomers and encapsulants and sealants for electronic components.

Features and Benefits

Polymerized product provides non-corrosive shield against moisture, dirt and contaminants for electrical components. Polymer may be heat or room temperature cured. Polymerization produces no volatile gases.

Physical form

Divinyl functional reactive silicone fluid.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Articles

Dr. Tan and researcher introduce recent trends in Self-healing Soft Electronic Materials and Devices. The emergence of smart, functional SHPs will be highly beneficial to the advancement of the next-generation self-healing soft electronic devices. Autonomously self-healing devices could help to minimize the need for repair or replacement of electronics and machines, potentially reducing the cost of materials and reducing electronic waste.

Advances in the area of soft optoelectronics, with a focus on the development of organic optoelectronic devices on shape memory polymers (SMP) is discussed.

Self-assembled monolayers (SAMs) have attracted enormous interest for a wide variety of applications in micro- and nano-technology. In this article, we compare the benefits of three different classes of SAM systems (alkylthiolates on gold.

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