Cas no 67923-19-7 (Vinylmethylsiloxane - dimethylsiloxane silanol terminated copolymer)

Vinylmethylsiloxane - dimethylsiloxane silanol terminated copolymer is a reactive silicone copolymer characterized by its dual functionality, combining vinyl and silanol terminal groups. The vinyl groups enable crosslinking via addition-cure mechanisms, while the silanol termini facilitate condensation reactions, enhancing versatility in silicone formulations. This copolymer exhibits excellent thermal stability, low viscosity, and compatibility with various fillers and additives, making it suitable for applications such as adhesives, sealants, and coatings. Its balanced reactivity and mechanical properties allow for tailored curing kinetics and improved adhesion to substrates. The material is particularly valued in high-performance elastomers and composites where controlled crosslinking and durability are critical.
Vinylmethylsiloxane - dimethylsiloxane silanol terminated  copolymer structure
67923-19-7 structure
Product Name:Vinylmethylsiloxane - dimethylsiloxane silanol terminated copolymer
CAS No:67923-19-7
MF:C9H26O5Si4
MW:326.641746997833
MDL:MFCD00284856
CID:860369
PubChem ID:121233890
Update Time:2025-05-20

Vinylmethylsiloxane - dimethylsiloxane silanol terminated copolymer Chemical and Physical Properties

Names and Identifiers

    • Vinylmethylsiloxane - dimethylsiloxane silanol terminated copolymer
    • VINYLMETHYLSILOXANE - DIMETHYLSILOXANE COPOLYMER, SILANOL TERMINATED
    • VINYLMETHYLSILOXANE - DIMETHYLSILOXANE COPOLYMERS, TRIMETHYLSILOXY TERMINATED, SILANOL TERMINATED
    • (10-15% VINYLMETHYLSILOXANE) - DIMETHYLSILOXANE COPOLYMER, SILANOL TERMINATED, 25-40 cSt
    • SZMRUHVVTGKWNW-UHFFFAOYSA-N
    • MFCD00284856
    • ethenyl-[hydroxy(dimethyl)silyl]oxy-[[hydroxy(dimethyl)silyl]oxy-dimethylsilyl]oxy-methylsilane
    • 67923-19-7
    • MDL: MFCD00284856
    • Inchi: 1S/C9H26O5Si4/c1-9-18(8,13-16(4,5)11)14-17(6,7)12-15(2,3)10/h9-11H,1H2,2-8H3
    • InChI Key: SZMRUHVVTGKWNW-UHFFFAOYSA-N
    • SMILES: [Si](C)(C)(O[Si](C)(C)O)O[Si](C=C)(C)O[Si](C)(C)O

Computed Properties

  • Exact Mass: 326.08573006g/mol
  • Monoisotopic Mass: 326.08573006g/mol
  • Isotope Atom Count: 0
  • Hydrogen Bond Donor Count: 2
  • Hydrogen Bond Acceptor Count: 5
  • Heavy Atom Count: 18
  • Rotatable Bond Count: 7
  • Complexity: 307
  • Covalently-Bonded Unit Count: 1
  • Defined Atom Stereocenter Count: 0
  • Undefined Atom Stereocenter Count : 1
  • Defined Bond Stereocenter Count: 0
  • Undefined Bond Stereocenter Count: 0
  • Topological Polar Surface Area: 68.2?2

Experimental Properties

  • Density: 0,97 g/cm3
  • Melting Point: <0°C
  • Boiling Point: >205°C
  • Flash Point: 205°C

Vinylmethylsiloxane - dimethylsiloxane silanol terminated copolymer Security Information

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Additional information on Vinylmethylsiloxane - dimethylsiloxane silanol terminated copolymer

Vinylmethylsiloxane-Dimethylsiloxane Silanol Terminated Copolymer: A Comprehensive Overview

The Vinylmethylsiloxane-Dimethylsiloxane Silanol Terminated Copolymer (CAS No. 67923-19-7) is a sophisticated polymer material that has garnered significant attention in the fields of materials science and chemical engineering. This copolymer is a unique blend of vinylmethylsiloxane and dimethylsiloxane units, terminated with silanol groups, making it highly versatile for various applications. Recent advancements in polymer chemistry have further enhanced our understanding of its properties and potential uses.

Silanol termination is a key feature of this copolymer, contributing to its reactivity and functionality. The presence of silanol groups allows for tailored surface properties, making it ideal for applications requiring controlled wettability or adhesion. Recent studies have explored the use of this copolymer in advanced coatings and surface treatments, where its ability to form robust, durable layers has been extensively demonstrated.

The synthesis of Vinylmethylsiloxane-Dimethylsiloxane Silanol Terminated Copolymer involves a carefully controlled polymerization process, often utilizing organometallic catalysts to achieve precise molecular weight and structural uniformity. Researchers have recently focused on optimizing these synthesis methods to improve yield and reduce environmental impact, aligning with the growing demand for sustainable materials.

One of the most promising applications of this copolymer is in the field of electronic materials. Its excellent thermal stability and electrical insulation properties make it suitable for use in high-performance electronics and optoelectronic devices. Recent breakthroughs have highlighted its potential as a dielectric material in flexible electronics, where its ability to maintain performance under mechanical stress is highly advantageous.

In the realm of biomedical engineering, this copolymer has shown remarkable potential as a biocompatible material. Its non-toxic nature and ability to form thin, flexible films make it ideal for applications such as drug delivery systems and biosensors. Cutting-edge research has explored its use in creating bio-inspired surfaces that mimic natural tissues, paving the way for innovative medical devices.

The Vinylmethylsiloxane-Dimethylsiloxane Silanol Terminated Copolymer also exhibits exceptional resistance to UV degradation and chemical corrosion, making it a valuable material in protective coatings and corrosion-resistant applications. Its ability to form self-healing surfaces has been a focal point of recent studies, offering new possibilities for durable industrial coatings.

From an environmental standpoint, the development of recycling methods for this copolymer is an area of active research. Scientists are exploring ways to recover and reuse this material, reducing waste and promoting a circular economy. These efforts are supported by advancements in chemical recycling technologies that target siloxane-based polymers specifically.

In conclusion, the Vinylmethylsiloxane-Dimethylsiloxane Silanol Terminated Copolymer (CAS No. 67923-19-7) stands as a testament to the ingenuity of modern polymer science. Its unique properties, combined with ongoing research into its synthesis, applications, and sustainability, position it as a key material for future technological advancements.

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