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ritchie silways 's Entries

5 blogs
  • 17 Aug 2020
    Hexamethyldisiloxane (HMDSO), a linear polydisiloxane, is an organosilicon reagent commonly used as a source of plasma-enhanced chemical vapor deposition (PE-CVD) of silicon compound films. In silicon integrated circuit technology, it is also used as a substitute for silane. Fourier transform mass spectrometry was used to study the dissociation and ionization caused by electron impact. The synthesis of plasma polymerized HMDSO films by atmospheric pressure glow discharge (APG) has been reported. The 148K HMDSO crystal is a monoclinic crystal. Adding HMDSO to P4S10 can improve its efficiency as a desulfurizer Hexamethyldisiloxane    can be used to produce a gas diffusion layer (GDL) with controlled hydrophobicity of silicone nano-layers through a "dry" deposition process   Hangzhou Silva New Material Technology Co., Ltd . is a professional manufacturer and supplier of  Hexamethyldisiloxane   ,    Alkyl Modified Siloxane   and Dimethicone 5cst  . We focus on modified siloxane and formulation technology. Our product line covers agricultural silicone additives, silicone waterproofing agents, cosmetic silicones, sealants and additives, and modified silicones for die casting. Welcome to consult and order: https://www.silways.com/hexamethyldisiloxane-hmdo.html
    116 Posted by ritchie silways
  • Hexamethyldisiloxane (HMDSO), a linear polydisiloxane, is an organosilicon reagent commonly used as a source of plasma-enhanced chemical vapor deposition (PE-CVD) of silicon compound films. In silicon integrated circuit technology, it is also used as a substitute for silane. Fourier transform mass spectrometry was used to study the dissociation and ionization caused by electron impact. The synthesis of plasma polymerized HMDSO films by atmospheric pressure glow discharge (APG) has been reported. The 148K HMDSO crystal is a monoclinic crystal. Adding HMDSO to P4S10 can improve its efficiency as a desulfurizer Hexamethyldisiloxane    can be used to produce a gas diffusion layer (GDL) with controlled hydrophobicity of silicone nano-layers through a "dry" deposition process   Hangzhou Silva New Material Technology Co., Ltd . is a professional manufacturer and supplier of  Hexamethyldisiloxane   ,    Alkyl Modified Siloxane   and Dimethicone 5cst  . We focus on modified siloxane and formulation technology. Our product line covers agricultural silicone additives, silicone waterproofing agents, cosmetic silicones, sealants and additives, and modified silicones for die casting. Welcome to consult and order: https://www.silways.com/hexamethyldisiloxane-hmdo.html
    Aug 17, 2020 116
  • 03 Aug 2020
    Before evaluating any new or replacement    Mold release agent   , the production benchmark should be determined and the number of cycles that can be achieved before the release agent is reapplied. For example, if you want to spray every sixth time on Part X, check if you can spray every seventh or eighth time. Each additional cycle without spraying can save a lot of money. When choosing an agent to eliminate cycle time reduction issues, follow some important steps below. Use the most difficult part to test. If it looks good, try it on other parts molded from multiple resins. Eliminate debris. Make sure to clean the mold thoroughly and remove all traces of old release agent. Cleaning the mold before each test helps to ensure that the test results are accurate and reflect the performance of the specific release agent. Consistently. Ensure that the molding conditions will not change during the trial period. It is best to set up and evaluate all mold release properties during one stamping operation, because each operator has his own working style and style, just like molding machines and molds. This will affect the performance and molding results of the release agent. Test to see how many parts can be released with the current mold version and settings. Then clean the mold to ensure a fresh molding environment. Apply the new test release agent according to the instructions, then run the mold until the part starts to hang and you need to apply the test release agent again. Repeat this process several times to ensure that a large number of test results are obtained for comparison to ensure consistency. Try to ensure that the only factor that changes is demoulding. The same operator, resin, mold temperature and pressure are used, so these factors will not affect the results. Use the whole can. After selecting the most effective release agent, test with a full tank and record the number of molded parts. As more demolding products are used on the mold cavity, the demolding performance may change in both positive and negative directions. Using too much release agent will cause the surface of the mold to accumulate and adversely affect the release of the part; too much release agent will cause premature adhesion of the part. Determine the cost-effectiveness of release. Calculate the cost of each part by dividing the number of parts of the mold release product A by the cost per tank. The demoulded product B is then used for this calculation. This will provide an accurate measure of the cost of each demolded part to purchase the release agent. Generally, more expensive release agent tanks can provide greater performance in the number of released parts, so that when more expensive but better performance release agents are used, the cost of each released part can be much lower. Choose according to productivity. It is important not to evaluate products based solely on product prices. A more important indicator is the number of parts that the product can release. What is really interesting is the amount of money spent on release and the maximum number of parts that can be molded. Now that the release assessment can determine the key facts, you can calculate the most appropriate release for a particular resin and part. Alkyl alkyl polysiloxane is the core raw material of die-casting water-based release agent. It provides excellent heat resistance for the release agent formulation and can maintain the function of the formulation during the die casting process. Silway provides mold release agents and finished product raw materials mold release agent manufacturers, and is also a professional supplier of    agricultural adjuvant   . The agricultural industry provides various solutions, including: silicone additives, silicone defoamers, water retention agents, methylated seed oil surfactants. Welcome to consult for details: https://www.silways.com/application/mold-release-agent.html
    95 Posted by ritchie silways
  • Before evaluating any new or replacement    Mold release agent   , the production benchmark should be determined and the number of cycles that can be achieved before the release agent is reapplied. For example, if you want to spray every sixth time on Part X, check if you can spray every seventh or eighth time. Each additional cycle without spraying can save a lot of money. When choosing an agent to eliminate cycle time reduction issues, follow some important steps below. Use the most difficult part to test. If it looks good, try it on other parts molded from multiple resins. Eliminate debris. Make sure to clean the mold thoroughly and remove all traces of old release agent. Cleaning the mold before each test helps to ensure that the test results are accurate and reflect the performance of the specific release agent. Consistently. Ensure that the molding conditions will not change during the trial period. It is best to set up and evaluate all mold release properties during one stamping operation, because each operator has his own working style and style, just like molding machines and molds. This will affect the performance and molding results of the release agent. Test to see how many parts can be released with the current mold version and settings. Then clean the mold to ensure a fresh molding environment. Apply the new test release agent according to the instructions, then run the mold until the part starts to hang and you need to apply the test release agent again. Repeat this process several times to ensure that a large number of test results are obtained for comparison to ensure consistency. Try to ensure that the only factor that changes is demoulding. The same operator, resin, mold temperature and pressure are used, so these factors will not affect the results. Use the whole can. After selecting the most effective release agent, test with a full tank and record the number of molded parts. As more demolding products are used on the mold cavity, the demolding performance may change in both positive and negative directions. Using too much release agent will cause the surface of the mold to accumulate and adversely affect the release of the part; too much release agent will cause premature adhesion of the part. Determine the cost-effectiveness of release. Calculate the cost of each part by dividing the number of parts of the mold release product A by the cost per tank. The demoulded product B is then used for this calculation. This will provide an accurate measure of the cost of each demolded part to purchase the release agent. Generally, more expensive release agent tanks can provide greater performance in the number of released parts, so that when more expensive but better performance release agents are used, the cost of each released part can be much lower. Choose according to productivity. It is important not to evaluate products based solely on product prices. A more important indicator is the number of parts that the product can release. What is really interesting is the amount of money spent on release and the maximum number of parts that can be molded. Now that the release assessment can determine the key facts, you can calculate the most appropriate release for a particular resin and part. Alkyl alkyl polysiloxane is the core raw material of die-casting water-based release agent. It provides excellent heat resistance for the release agent formulation and can maintain the function of the formulation during the die casting process. Silway provides mold release agents and finished product raw materials mold release agent manufacturers, and is also a professional supplier of    agricultural adjuvant   . The agricultural industry provides various solutions, including: silicone additives, silicone defoamers, water retention agents, methylated seed oil surfactants. Welcome to consult for details: https://www.silways.com/application/mold-release-agent.html
    Aug 03, 2020 95
  • 20 Jul 2020
    description   Silway D4H is a reactive siloxane with Si-H bond, which can react with unsaturated olefins. Compared with linear polymethylhydrogensiloxane, Silway D4H has better properties, including lower impurities, higher purity, more fixed chains and better modified molecular design. Silway D4H is used to prepare methyl hydrogen siloxanes that require a certain amount of hydrogen or linking chains and polysiloxanes that require modified functional groups. typical application • Preparation of various specific hydrogen content and the number of bonds required for polymethyl hydrogen siloxane • Crosslinker for RTV and ALSR • Synthesis of high-quality side chain siloxane • Good composition of optoelectronic materials feature • high purity • Contains fixed chain • Good design of modified molecules Technical index package: 200L barrel storage: Store the land and sea in a cool, dry and ventilated place. Avoid contact with acids and alkalis. Keep away from fire. Shelf life: 24 months Silways provides stable and reliable quality 1,3,5,7-Tetramethylcyclotetrasiloxane     , with lower impurities, higher purity, more fixed chains and better modified molecular design. It is also a professional manufacturer of    PEG-12 Dimethicone   . Welcome to consult and order: https://www.silways.com/application/synthesis-others/1357-tetramethylcyclotetrasiloxane-silway-d4h.html  
    126 Posted by ritchie silways
  • description   Silway D4H is a reactive siloxane with Si-H bond, which can react with unsaturated olefins. Compared with linear polymethylhydrogensiloxane, Silway D4H has better properties, including lower impurities, higher purity, more fixed chains and better modified molecular design. Silway D4H is used to prepare methyl hydrogen siloxanes that require a certain amount of hydrogen or linking chains and polysiloxanes that require modified functional groups. typical application • Preparation of various specific hydrogen content and the number of bonds required for polymethyl hydrogen siloxane • Crosslinker for RTV and ALSR • Synthesis of high-quality side chain siloxane • Good composition of optoelectronic materials feature • high purity • Contains fixed chain • Good design of modified molecules Technical index package: 200L barrel storage: Store the land and sea in a cool, dry and ventilated place. Avoid contact with acids and alkalis. Keep away from fire. Shelf life: 24 months Silways provides stable and reliable quality 1,3,5,7-Tetramethylcyclotetrasiloxane     , with lower impurities, higher purity, more fixed chains and better modified molecular design. It is also a professional manufacturer of    PEG-12 Dimethicone   . Welcome to consult and order: https://www.silways.com/application/synthesis-others/1357-tetramethylcyclotetrasiloxane-silway-d4h.html  
    Jul 20, 2020 126
  • 07 Jul 2020
    Hexamethyldisiloxane     (silicone, MM capping agent), colorless and transparent liquid, easy to deliquesce. Insoluble in water, soluble in many organic solvents. Used as silicone oil, silicone rubber, pharmaceuticals, gas chromatography fixatives, analytical reagents, water-repellent agents, etc. Produced by hydrolysis of trimethylchlorosilane. 1. Properties: colorless transparent liquid, easy to deliquesce.2. Solubility: insoluble in water, soluble in most organic solvents;Stability: stable;Hazard marking: F Flammable substances3. Technical indicators:Density: 0.762-0.770g/mlRefractive index: 1.3748Melting point: -59℃Boiling point: 99.5℃Flash point: -1℃4. Dangerous characteristics: It can easily cause burning in case of high heat, open flame and strong oxidantCombustion (decomposition) products: carbon monoxide, carbon dioxide, silicon oxide. 62.49g (0.575mol) trimethylchlorosilane was added dropwise to a solution composed of 72.7g (0.06mol) N,N-dimethylaniline and 7g water, and heated to reflux for 1h. Atmospheric distillation, collecting 98-101 ℃ fractions, after drying it is hexamethyldisilyl ether, to obtain 43-44g, yield 92-94%. Industrial production is to hydrolyze trimethylchlorosilane at 30-40℃. Used as silicone oil, silicone rubber, pharmaceuticals, gas chromatography fixed liquids, analytical reagents, water-repellent agents, etc. This product is used as a head sealer, cleaning agent, and stripping agent. It is mainly used in the production of organic chemicals and pharmaceutical chemicals.   Hexamethyldisiloxane (HMDO) is an organosilicon compound having the formula O [Si(CH3)3] 2. The volatile colorless liquid is used as a solvent and reagent in organic synthesis. It is prepared by hydrolysis of trimethylsilyl chloride. This molecule is a typical disiloxane, similar to the subunits of polydimethylsiloxane. Silways manufacturer is recognized as China's leading wholesaler of hexamethyldisiloxane and    Alkyl Modified Siloxane   ,    Dimethicone 5cst   , we provide reliable quality and affordable products and win the market Most consumers recognize and love. Welcome to consult and order: https://www.silways.com/hexamethyldisiloxane-hmdo.html  
    171 Posted by ritchie silways
  • Hexamethyldisiloxane     (silicone, MM capping agent), colorless and transparent liquid, easy to deliquesce. Insoluble in water, soluble in many organic solvents. Used as silicone oil, silicone rubber, pharmaceuticals, gas chromatography fixatives, analytical reagents, water-repellent agents, etc. Produced by hydrolysis of trimethylchlorosilane. 1. Properties: colorless transparent liquid, easy to deliquesce.2. Solubility: insoluble in water, soluble in most organic solvents;Stability: stable;Hazard marking: F Flammable substances3. Technical indicators:Density: 0.762-0.770g/mlRefractive index: 1.3748Melting point: -59℃Boiling point: 99.5℃Flash point: -1℃4. Dangerous characteristics: It can easily cause burning in case of high heat, open flame and strong oxidantCombustion (decomposition) products: carbon monoxide, carbon dioxide, silicon oxide. 62.49g (0.575mol) trimethylchlorosilane was added dropwise to a solution composed of 72.7g (0.06mol) N,N-dimethylaniline and 7g water, and heated to reflux for 1h. Atmospheric distillation, collecting 98-101 ℃ fractions, after drying it is hexamethyldisilyl ether, to obtain 43-44g, yield 92-94%. Industrial production is to hydrolyze trimethylchlorosilane at 30-40℃. Used as silicone oil, silicone rubber, pharmaceuticals, gas chromatography fixed liquids, analytical reagents, water-repellent agents, etc. This product is used as a head sealer, cleaning agent, and stripping agent. It is mainly used in the production of organic chemicals and pharmaceutical chemicals.   Hexamethyldisiloxane (HMDO) is an organosilicon compound having the formula O [Si(CH3)3] 2. The volatile colorless liquid is used as a solvent and reagent in organic synthesis. It is prepared by hydrolysis of trimethylsilyl chloride. This molecule is a typical disiloxane, similar to the subunits of polydimethylsiloxane. Silways manufacturer is recognized as China's leading wholesaler of hexamethyldisiloxane and    Alkyl Modified Siloxane   ,    Dimethicone 5cst   , we provide reliable quality and affordable products and win the market Most consumers recognize and love. Welcome to consult and order: https://www.silways.com/hexamethyldisiloxane-hmdo.html  
    Jul 07, 2020 171
  • 07 Jul 2020
    Hexamethyldisiloxane     (silicone, MM capping agent), colorless and transparent liquid, easy to deliquesce. Insoluble in water, soluble in many organic solvents. Used as silicone oil, silicone rubber, pharmaceuticals, gas chromatography fixatives, analytical reagents, water-repellent agents, etc. Produced by hydrolysis of trimethylchlorosilane. 1. Properties: colorless transparent liquid, easy to deliquesce.2. Solubility: insoluble in water, soluble in most organic solvents;Stability: stable;Hazard marking: F Flammable substances3. Technical indicators:Density: 0.762-0.770g/mlRefractive index: 1.3748Melting point: -59℃Boiling point: 99.5℃Flash point: -1℃4. Dangerous characteristics: It can easily cause burning in case of high heat, open flame and strong oxidantCombustion (decomposition) products: carbon monoxide, carbon dioxide, silicon oxide. 62.49g (0.575mol) trimethylchlorosilane was added dropwise to a solution composed of 72.7g (0.06mol) N,N-dimethylaniline and 7g water, and heated to reflux for 1h. Atmospheric distillation, collecting 98-101 ℃ fractions, after drying it is hexamethyldisilyl ether, to obtain 43-44g, yield 92-94%. Industrial production is to hydrolyze trimethylchlorosilane at 30-40℃. Used as silicone oil, silicone rubber, pharmaceuticals, gas chromatography fixed liquids, analytical reagents, water-repellent agents, etc. This product is used as a head sealer, cleaning agent, and stripping agent. It is mainly used in the production of organic chemicals and pharmaceutical chemicals.   Hexamethyldisiloxane (HMDO) is an organosilicon compound having the formula O [Si(CH3)3] 2. The volatile colorless liquid is used as a solvent and reagent in organic synthesis. It is prepared by hydrolysis of trimethylsilyl chloride. This molecule is a typical disiloxane, similar to the subunits of polydimethylsiloxane. Silways manufacturer is recognized as China's leading wholesaler of hexamethyldisiloxane and    Alkyl Modified Siloxane   ,    Dimethicone 5cst   , we provide reliable quality and affordable products and win the market Most consumers recognize and love. Welcome to consult and order: https://www.silways.com/hexamethyldisiloxane-hmdo.html  
    180 Posted by ritchie silways
  • Hexamethyldisiloxane     (silicone, MM capping agent), colorless and transparent liquid, easy to deliquesce. Insoluble in water, soluble in many organic solvents. Used as silicone oil, silicone rubber, pharmaceuticals, gas chromatography fixatives, analytical reagents, water-repellent agents, etc. Produced by hydrolysis of trimethylchlorosilane. 1. Properties: colorless transparent liquid, easy to deliquesce.2. Solubility: insoluble in water, soluble in most organic solvents;Stability: stable;Hazard marking: F Flammable substances3. Technical indicators:Density: 0.762-0.770g/mlRefractive index: 1.3748Melting point: -59℃Boiling point: 99.5℃Flash point: -1℃4. Dangerous characteristics: It can easily cause burning in case of high heat, open flame and strong oxidantCombustion (decomposition) products: carbon monoxide, carbon dioxide, silicon oxide. 62.49g (0.575mol) trimethylchlorosilane was added dropwise to a solution composed of 72.7g (0.06mol) N,N-dimethylaniline and 7g water, and heated to reflux for 1h. Atmospheric distillation, collecting 98-101 ℃ fractions, after drying it is hexamethyldisilyl ether, to obtain 43-44g, yield 92-94%. Industrial production is to hydrolyze trimethylchlorosilane at 30-40℃. Used as silicone oil, silicone rubber, pharmaceuticals, gas chromatography fixed liquids, analytical reagents, water-repellent agents, etc. This product is used as a head sealer, cleaning agent, and stripping agent. It is mainly used in the production of organic chemicals and pharmaceutical chemicals.   Hexamethyldisiloxane (HMDO) is an organosilicon compound having the formula O [Si(CH3)3] 2. The volatile colorless liquid is used as a solvent and reagent in organic synthesis. It is prepared by hydrolysis of trimethylsilyl chloride. This molecule is a typical disiloxane, similar to the subunits of polydimethylsiloxane. Silways manufacturer is recognized as China's leading wholesaler of hexamethyldisiloxane and    Alkyl Modified Siloxane   ,    Dimethicone 5cst   , we provide reliable quality and affordable products and win the market Most consumers recognize and love. Welcome to consult and order: https://www.silways.com/hexamethyldisiloxane-hmdo.html  
    Jul 07, 2020 180