Polydimethylsiloxane

Base Information

• Chemical Name: Polydimethylsiloxane
• CAS No.: 31900-57-9
• Molecular Formula: C₂H₈O₂Si
• Molecular Weight: 92.1698
• Mol file: 31900-57-9.mol

Synonyms:Silanediol,dimethyl-, homopolymer (9CI); Silanediol, dimethyl-, polymers (8CI);Dimethylsilanediol homopolymer; Dimethylsilanediol polymer; Dimethylsiloxanepolymer; Dimethylsiloxanediol homopolymer;Mono(3-methacryloxypropyl)-terminated polydimethylsiloxane; PDMS;Poly(dimethylsilanediol); Poly(dimethylsiloxane); Polydimethyl siloxane;Polydimethylsiloxane

Chemical Property of Polydimethylsiloxane

Chemical Property:

• Density: 0.97 g/cm3

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Polydimethylsiloxane

There total 17 articles about Polydimethylsiloxane which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 98.0%

dibenzyloxydimethylsilane (50870-64-9) → dimethylsilanediol (1066-42-8,31900-57-9)

Guidance literature:

With palladium-platinum; hydrogen; aniline; at 20 ℃; for 2h;

Reference yield: 92.0%

diethoxy dimethylsilane (78-62-6) → dimethylsilanediol (1066-42-8,31900-57-9)

Guidance literature:

With H₂O; In water; byproducts: C2H5OH; (CH3)2Si(OC2H5)2 (0.5 mol) and H2O (2 mol) at room temp. for 2 days (shaking);; evapn. of H2O and ethanol at 25°C;;

DOI:10.1021/ja01105a044

Reference yield: 88.0%

dibenzyloxydimethylsilane (50870-64-9) → dimethylsilanediol (1066-42-8,31900-57-9) + tetramethyl-1,3-disiloxanediol (1118-15-6)

Guidance literature:

With palladium-platinum; hydrogen; aniline; In N,N-dimethyl acetamide; at 20 ℃; for 2h; Concentration;

upstream raw materials:

dimethyldimethoxysilan

diethoxy dimethylsilane

dimethylsilicon dichloride

tetramethyl-1,3-disiloxanediol

Downstream raw materials:

1,3,3,5,5-hexamethyltrisiloxane

C₁₄H₁₆Cl₄O₂Si₃

bis(trifluoromethanesulfonyloxy)dimethylsilane

1.5-Dichlor-1.5-diphenyltetramethyltrisiloxan

Refernces

• 1、 -. "Hydrolysis technology and device for concentrated hydrochloric acid". Paragraph 0017-0018. . Retrieved 2017/07/23.
• 2、 Jang, Seol Heui,Yim, Taeeun. "Effect of Silyl Ether-functinoalized Dimethoxydimethylsilane on Electrochemical Performance of a Ni-rich NCM Cathode". . p. 3402 - 3406. Retrieved 2017/12/15.