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Silsesquioxane (POSS)

Stock No.
NS6130-12-000859
CAS
5256-79-1
MSDS
MSDS-PDF
Specifications
SPEC-PDF
COA
COA-PDF
Catalogue

PSS-Octaphenyl Substituted

(C48H40O12Si8)
PSS-Octaphenyl Substituted (C48H40O12Si8)
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ProductPSS-Octaphenyl Substituted
Stock NoNS6130-12-000859
CAS5256-79-1Confirm
Molecular FormulaC48H40O12Si8Confirm
Molecular Weight1033.51g/molConfirm
FormPowderConfirm
ColorWhiteConfirm
Melting Point>350 °CConfirm
SolubilityInsoluble in water
Quality ControlEach Lot of PSS-Octaphenyl Substituted was tested successfully
Main Inspect VerifierManager QC

Expert Reviews

product-expert-image
Jules L. Routbort (Argonne National Laboratory, Argonne, USA)

Polyhedral oligomericsilsesquioxanes (POSS) are a kind of inorganic–organic hybrid materials which nanostructures have become attractive because of their environmental neutrality, good heat resistance as well as excellent thermoxidative stability. Many attentions were directed to the use of POSS, as a great potential for producing materials characterized by improved fire retardance along with superior physical properties. POSS exert astonishing effects on some fire properties of polymers, because they can act as stand-alone fire retardants or as synergistic fire retardant in important regulatory fire tests.

product-expert-image
Dr. Ms. Kamiko Chang, Ph.D (University of Science and Technology Beijing, China)

Silsesquioxane are Cage Structure- like hybrid molecules of silicon and oxygen with similarities to both silica and silicone. When mixed with virtually any ordinary polymer, they bond to the organic molecules and to one another, forming large chains that weave through the polymer. The result is a nanostructured organic-inorganic hybrid polymer.

product-expert-image
Dr. Nicholaos G. Demas (Newcastle University School Of Machanical & Systems Engg. UK)

The POSS chains act like nanoscale reinforcing fibers, producing extraordinary gains in heat resistance. POSS molecules can be thought of as the smallest particles of silica.Unlike silica or modified clays, each POSS molecule contains covalently bonded reactive functionalities suitable for polymerization or grafting POSS monomers to polymers chains. Each POSS molecule contains nonreactive organic functionalities for solubility and compatibility of the POSS segments with various polymer systems.

product-expert-image
Dr. Myron Rubenstein, Ph.D (Polytechnic University of Turin, Italy)

Enhancements in the physical properties of polymers incorporating POSS segments results from POSS’S ability to control the motions of the chains while still maintaining the processability and mechanical properties of the base resin.

product-expert-image
Dr. Ms. Guixin (Susan), Ph.D (Switzerland-Institute for Inorganic Chemistry, Zurich, Switzerland)

POSS incorporation increases modulus and hardness while maintaining stress & strain characterstics of the base resin. Compared to common fire retared plastics, polymers containing POSS show delayed combustion and major reductions in heat evolution.

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PSS-Octaphenyl Substituted

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PSS-Octaphenyl Substituted (C48H40O12Si8)

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