CAS: 6166-86-5; 2,4,6,8,10-Pentamethyl-1,3,5,7,9,2λ3,4λ3,6λ3,8λ3,10λ3-Pentaoxapentasilecane

上下游产品

CAS号75-54-7 甲基二氯硅烷 | CAS号7732-18-5 水 | CAS号75-77-4 三甲基氯硅烷 | CAS号60-29-7 乙醚 | CAS号1873-88-7 双三甲基硅氧基甲基硅烷

📜甲基二氯硅烷置于乙醚,甲基安非他命体系中,化学反应生成 2,4,6,8,10-环五硅氧烷,Alkaline Earth Salt Of/the/ Methylsulfuric Acid
参考文献:Sauer; Scheiber; Brewer,Journal Of The American Chemical Society,1946,Vol. 68,P. 963
标题:Sauer; Scheiber; Brewer,Journal Of The American Chemical Society,1946,Vol. 68,P. 963

专利信息

专利号:US-7569652-B2
优先权日:2004-08-20
标 题 :Synthesis and characterization of novel cyclosiloxanes and their self- and co-condensation with silanol-terminated polydimethylsiloxane
发明人：KENNEDY JOSEPH P; DAUM JEREMY; ERDODI GABOR
权利人:UNIV AKRON
摘要:The present invention is directed to syntheses of cyclolinear networks. Two novel cyclic siloxanes were used as starting materials. The cyclic siloxanes are self-condensed and co-condensed with silanol-terminated polydimethylsiloxane to vinyl-terminated cyclolinear polymers. Cyclolinear networks can be synthesized by hydrosilylation of vinyl-terminated cyclolinear polyorganosiloxanes with a copolymer of dimethylsiloxane and methylhydrosiloxane.

专利号:US-8344170-B2
优先权日:2002-08-16
标 题:Poly (cyclosiloxane) composition and method of synthesis thereof
发明人：KENNEDY JOSEPH P; KURIAN PIOUS
权利人:UNIV AKRON; KENNEDY JOSEPH P; KURIAN PIOUS
摘要:A poly(cyclosiloxane) network comprises the hydrosilation reaction product of a cyclosiloxane of the formula (I) wherein R and R 2 are the same or different for each siloxane moiety of hydrogen, an alkyl group, an aryl group, and a cycloalkyl group, and wherein n is an integer from 3 to 8, wherein the cyclosiloxanes are joined by moieties selected from the group consisting of oxygen atoms, linear silanols, branched silanols, halosilanes, alkoxysilanes, vinyl silanes, allyl silanes, vinyl siloxanes, and allyl siloxanes, wherein the Si—O bonds of the cyclosiloxanes are substantially unrearranged compared to the cyclosiloxane precursors of the network. A process for the preparation of a poly(cyclosiloxane) network comprises providing a cyclosiloxane; providing a crosslinking group selected from the group consisting of linear silanols, branched silanols, halosilanes, alkoxysilanes, vinyl silanes, allyl silanes, vinyl siloxanes, and allyl siloxanes; contacting the cyclosiloxane and crosslinking group under condensation reaction conditions such that the crosslinking groups provide Si—O—Si linkages between the cyclosiloxane moieties to form a poly(cyclosiloxane) network composition.

专利号:US-7071277-B2
优先权日:2001-10-16
标题 :Poly(cyclosiloxane) composition and synthesis
发明人：KENNEDY JOSEPH P; KURIAN PIOUS
权利人:UNIV AKRON
摘要:A poly(cyclosiloxane) is synthesized by oxidation with water in the presence of a Pt catalyst, followed immediately by polycondensation of the Si—OH groups to form Si—O—Si linkages. Thus, pentamethylcyclopentasiloxane can be polymerized into poly(pentamethycyclopentasiloxane).

专利号:US-7642332-B2
优先权日:2006-08-14
标 题:Amphiphilic networks, process for producing same, and products made therefrom
发明人：KENNEDY JOSEPH P; KARUNAKARAN RADHAKRISHNAN
权利人:UNIV AKRON
摘要:The present invention relates to the production of amphiphilic copolymer networks, or co-networks, and to methods for preparing amphiphilic co-networks. Furthermore, the present invention relates to products and/or films made from the amphiphilic co-networks produced in accordance with the synthesis methods of the present invention. Additionally, the present invention relates to crosslinked amphiphilic co-networks comprising at least one hydrophilic segment and at least one hydrophobic segment. In one embodiment, the hydrophilic segments include at least one polyalkyl glycol (e.g., polyethylene glycol (PEG)) and the hydrophobic segments include at least one di-alkenyl and/or di-alkynyl terminated polysiloxane (e.g., polydimethylsiloxane (PDMS)). In another embodiment, the amphiphilic co-networks of the present invention are optically clear and highly oxophilic.

专利号:US-2006041098-A1
优先权日:2004-08-20
标题 :Synthesis and characterization of novel cyclosiloxanes and their self- and co-condensation with silanol-terminated polydimethylsiloxane