Category: 27249-90-7

Hybrid nanocomposites of a fluorescent block copolymer and quantum dots: An efficient way for energy transfer was written by Moura, I.;de Sa, A.;Abreu, Ana S.;Oliveira, M.;Machado, A. V.. And the article was included in Dyes and Pigments in 2017.Safety of Benzyl benzodithioate This article mentions the following:

Forster resonance energy transfer (FRET) phenomenon has great potential in several applications, whose efficiency is dependent on the energy transfer between a suitable pair of fluorophores. In this work, a new block copolymer, PS-b-PS(co-pyren-1-yl), with fluorescent properties, was synthesized and used as donor component in the fluorophores pair copolymer/cadmium telluride quantum dots (CdTe QDs). Thus, water-soluble CdTe QDs, previously transferred into organic phase, by replacing the stabilizer ligands, thioglycolic acid by 1-dodecanethiol (1-DDT), were used to prepare a new hybrid nanocomposite. FRET studies between the fluorescent copolymer and CdTe-DDT QDs revealed that this fluorophores pair can experience FRET with an efficiency of 48%, being an efficient antenna system for light harvesting applications. In the experiment, the researchers used many compounds, for example, Benzyl benzodithioate (cas: 27249-90-7Safety of Benzyl benzodithioate).

Benzyl benzodithioate (cas: 27249-90-7) belongs to esters. Esters are widespread in nature and are widely used in industry. In nature, fats are in general triesters derived from glycerol and fatty acids. Esters are responsible for the aroma of many fruits, including apples, durians, pears, bananas, pineapples, and strawberries. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Safety of Benzyl benzodithioate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

RAFT grafting polymerization of styrene on the surface of SiO₂ was written by Li, De-ling;Wang, Wei;Li, Ping;Wang, Dong-chao. And the article was included in Gongneng Gaofenzi Xuebao in 2012.Related Products of 27249-90-7 This article mentions the following:

Double bonds were immobilized onto nano-SiO₂ via hydrolyzing alkoxysilane moiety of γ-methacryl trimethoxysilane for condensation with hydroxide groups from nano-SiO₂. RAFT grafting polymerization of styrene from nano-SiO₂ was carried out from the immobilized double bonds, in which azobisisobutyronitrile was used as initiator, 2-cyanoprop-2-yl dithiobenzoate, benzyl dithiobenzoate, benzyl dithiopivalate, 1,2,4-triazolyl-1-carbodithioic acid benzyl ester were used as RAFT agent, resp. Results showed that RAFT grafting polymerization rate of styrene from SiO₂ was decided by Z group of RAFT agent. Grafting polymerization of styrene from SiO₂ mediated by benzyl dithiopivalate exhibited the highest grafting polymerization rate. In the experiment, the researchers used many compounds, for example, Benzyl benzodithioate (cas: 27249-90-7Related Products of 27249-90-7).

Benzyl benzodithioate (cas: 27249-90-7) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Esters contain a carbonyl center, which gives rise to 120° C–C–O and O–C–O angles. Unlike amides, esters are structurally flexible functional groups because rotation about the C–O–C bonds has a low barrier. Their flexibility and low polarity is manifested in their physical properties; they tend to be less rigid (lower melting point) and more volatile (lower boiling point) than the corresponding amides. Related Products of 27249-90-7

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Reversible addition-fragmentation chain transfer (RAFT) (Co)polymerization of isobornyl acrylate was written by Kulikov, E. E.;Zaitsev, S. D.;Semchikov, Yu. D.. And the article was included in Polymer Science, Series C in 2015.Recommanded Product: Benzyl benzodithioate This article mentions the following:

Controlled/living radical homopolymerization of isobornyl acrylate and its copolymerization with styrene with reversible chain transfer via the addition-fragmentation mechanism in the presence of benzyl dithiobenzoate have been studied. It has been shown that the (co)polymerization proceeds through living chains, a result that is confirmed by a linear increase in the number-average mol. weight with conversion and by low polydispersity indexes. With the use of polymer RAFT agents block copolymers have been synthesized. Amphiphilic copolymers have been obtained through acid hydrolysis of isobornyl acrylate units in copolymers of various microstructures. In the experiment, the researchers used many compounds, for example, Benzyl benzodithioate (cas: 27249-90-7Recommanded Product: Benzyl benzodithioate).

Benzyl benzodithioate (cas: 27249-90-7) belongs to esters. Volatile esters with characteristic odours are used in synthetic flavours, perfumes, and cosmetics. Certain volatile esters are used as solvents for lacquers, paints, and varnishes. Esterification is the general name for a chemical reaction in which two reactants (typically an alcohol and an acid) form an ester as the reaction product. Esters are common in organic chemistry and biological materials.Recommanded Product: Benzyl benzodithioate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Regularities of the kinetics of miniemulsion polymerization of styrene in the presence of dithiobenzoates as reversible chain transfer agents was written by Serkhacheva, N. S.;Tolkachev, A. V.;Chernikova, E. V.;Prokopov, N. I.. And the article was included in Russian Chemical Bulletin in 2015.Formula: C14H12S2 This article mentions the following:

The results of comparative kinetic study of the miniemulsion controlled radical polymerization of styrene in the presence of reversible chain transfer agents (benzyl dithiobenzoate and polystyrene dithiobenzoate) and bulk polymerization of similar systems are presented. The influence of the reactant nature and dithiobenzoate concentration of the kinetics of the process is discussed. In the experiment, the researchers used many compounds, for example, Benzyl benzodithioate (cas: 27249-90-7Formula: C14H12S2).

Benzyl benzodithioate (cas: 27249-90-7) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Formula: C14H12S2

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Controlled synthesis of copolymers of styrene and methyl methacrylate in the presence of reversible chain transfer agents was written by Chernikova, E. V.;Tarasenko, A. V.;Yulusov, V. V.;Garina, E. S.;Golubev, V. B.. And the article was included in Vysokomolekulyarnye Soedineniya, Seriya A i Seriya B in 2009.Category: esters-buliding-blocks This article mentions the following:

Mol. weight characteristics of styrene-Me methacrylate copolymer obtained via reversible chain transfer mechanism in the presence of dithiobenzoate agents were studied. In order to obtain copolymers with narrow mol. weight distributions, low mol. weight chain transfer agents (CTA) were be used. CTA were active in homopolymerization of both monomers. Conditions for the preparation of block copolymers with narrow mol. weight distribution with and a given structure and mol. weight of the blocks were determined Polymeric reversible CTA was responsible for the composition and mol. weight of the 1st block, while the structure of the second block depended on the compositions of the monomer mixture Mol. weight characteristics depended on the concentration of CTA and monomer conversion. In the experiment, the researchers used many compounds, for example, Benzyl benzodithioate (cas: 27249-90-7Category: esters-buliding-blocks).

Benzyl benzodithioate (cas: 27249-90-7) belongs to esters. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Acyl chlorides and acid anhydrides alcoholysis is another way to produce esters. Acyl chlorides and acid anhydrides react with alcohols to produce esters. Anydrous conditions are recommended since both acyl chlorides and acid anhydrides react with water.Category: esters-buliding-blocks

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Controlled radical copolymerization of N-(4-hydroxyphenyl) maleimide and styrene based on RAFT process was written by Lu, Yan-bing;Sun, Rong-xin;Sun, Li-li;Xia, Xin-nian;Xu, Wei-jian. And the article was included in Gaofenzi Cailiao Kexue Yu Gongcheng in 2009.Quality Control of Benzyl benzodithioate This article mentions the following:

Copolymerization of N-(4-carboxyphenyl) maleimide with styrene was introduced in THF by taking S-benzyl dithiobenzoate as a RAFT reagent. Results show that the number average mol. weight of the obtained copolymers increases linearly with the increase of the monomer conversion and the distributions of the copolymers are less than 1.5, showing that the RAFT regent S-benzyl dithiobenzoate possesses a good ability to control the copolymerization of N-(4-carboxyphenyl) maleimide, with styrene. Investigations of the copolymerization at different temperatures gave the apparent activation energy about 1.39 kJ/mol. In the experiment, the researchers used many compounds, for example, Benzyl benzodithioate (cas: 27249-90-7Quality Control of Benzyl benzodithioate).

Benzyl benzodithioate (cas: 27249-90-7) belongs to esters. Esters perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Quality Control of Benzyl benzodithioate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Controlled radical (co)polymerization of (meth)acrylic esters via the reversible addition-fragmentation chain-transfer mechanism was written by Zaitsev, S. D.;Semchikov, Yu. D.;Vasil’eva, E. V.;Kurushina, L. V.. And the article was included in Polymer Science, Series B in 2012.Application of 27249-90-7 This article mentions the following:

The homopolymerization of acrylic and fluoroacrylic esters mediated by benzyl dithiobenzoate and dibenzyl trithiocarbonate proceeds in the controlled mode via the reversible addition-fragmentation chain-transfer mechanism, while the controlled radical polymerization of methacrylic esters is not effected under these conditions. The mol.-mass characteristics of the copolymers of acrylic and methacrylic esters may be satisfactorily controlled by benzyl dithiobenzoate-mediated copolymerization when the content of acrylic esters is no less than 50 mol %. If a reversible addition-fragmentation chain-transfer agent active with respect to only one of the monomers is used, compositionally homogeneous narrowly dispersed copolymers are formed via the azeotropic copolymerization of the monomers up to high conversions. The controlled copolymerization of N-vinylpyrrolidone and fluoroacrylates allows the synthesis of alternating narrowly dispersed amphiphilic copolymers with properties different from those of alternating copolymers with a broad mol.-mass distribution. In the experiment, the researchers used many compounds, for example, Benzyl benzodithioate (cas: 27249-90-7Application of 27249-90-7).

Benzyl benzodithioate (cas: 27249-90-7) belongs to esters. Esters are also usually derived from carboxylic acids. It may also be obtained by reaction of acid anhydride or acid halides with alcohols or by the reaction of salts of carboxylic acids with alkyl halides. Because of their lack of hydrogen-bond-donating ability, esters do not self-associate. Consequently, esters are more volatile than carboxylic acids of similar molecular weight.Application of 27249-90-7

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

RAFT synthesis of triply responsive poly[N-[2-(dialkylamino)ethyl]acrylamide]s and their N-substitute determined response was written by Wang, Ke;Song, Zefeng;Liu, Chonggao;Zhang, Wangqing. And the article was included in Polymer Chemistry in 2016.Name: Benzyl benzodithioate This article mentions the following:

The thermo- and pH/CO₂-responsive poly[N-[2-(dialkylamino)ethyl]acrylamide]s containing a polyacrylamide backbone but different N-substitutes of dialkylamine were synthesized and their solution properties were comparatively checked. A controllable RAFT synthesis of poly[N-[2-(dialkylamino)ethyl]acrylamide]s was achieved when a typical trithiocarbonate containing an easily cleavable R group was employed. The RAFT polymerization rate decreases with the increasing C-number in the N-substitutes. The thermo- and pH/CO₂-responsive property of poly[N-[2-(dialkylamino)ethyl]acrylamide]s is firmly correlative to the N-substitutes. With the C-number in the R-substitute increasing, the solution properties of poly(N-[2-(dialkylamino)ethyl]acrylamide)s undergo a soluble-to-thermoresponsive-to-insoluble evolution, and the critical pH of poly[N-[2-(dialkylamino)ethyl]acrylamide]s gradually decreases. The dialkylamine moieties in the poly[N-[2-(dialkylamino)ethyl]acrylamide]s lead to a characteristic CO₂-response during CO₂/N₂ bubbling. The present study reveals the structure-dependent solution properties of the thermo- and pH/CO₂-responsive poly[N-[2-(dialkylamino)ethyl]acrylamide]s, and these multistimuli-responsive polymers are believed to be useful due to the controllable RAFT synthesis and tunable solution properties. In the experiment, the researchers used many compounds, for example, Benzyl benzodithioate (cas: 27249-90-7Name: Benzyl benzodithioate).

Benzyl benzodithioate (cas: 27249-90-7) belongs to esters. Esters typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Name: Benzyl benzodithioate

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Sol-gel-sol-cloudy transitions of aqueous solutions of multi-responsive hydrophilic diblock copolymer poly(methoxytri (ethylene glycol) acrylate-co-acrylic acid)-b-poly(ethoxydi(ethylene glycol) acrylate) was written by Jin, Naixiong;Woodcock, Jeremiah W.;Xue, Chenming;O’Lenick, Thomas G.;Jiang, Xueguang;Jin, Shi;Dadmun, Mark D.;Zhao, Bin. And the article was included in PMSE Preprints in 2012.Reference of 27249-90-7 This article mentions the following:

Herein, we present a strategy to tune the upper boundary of the sol-gel phase diagram of a thermosensitive hydrophilic diblock copolymer. The polymer, poly(c-co-acrylic acid)-b-poly(ethoxydi(ethylene glycol) acrylate) (P(TEGMA-co-AA)-b-PDEGEA), was prepared by reversible addition-fragmentation chain transfer polymerization The higher LCST block of the diblock copolymer contained a small amount of carboxylic acid groups, and thus its LCST can be tuned by changing the pH of the solution, which allowed us to shift the upper boundary of the sol-gel phase diagram. In the experiment, the researchers used many compounds, for example, Benzyl benzodithioate (cas: 27249-90-7Reference of 27249-90-7).

Benzyl benzodithioate (cas: 27249-90-7) belongs to esters. Volatile esters with characteristic odours are used in synthetic flavours, perfumes, and cosmetics. Certain volatile esters are used as solvents for lacquers, paints, and varnishes. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Reference of 27249-90-7

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics

Sol-gel-sol-cloudy transitions of aqueous solutions of multi-responsive hydrophilic diblock copolymer poly(methoxytri (ethylene glycol) acrylate-co-acrylic acid)-b-poly(ethoxydi(ethylene glycol) acrylate) was written by Jin, Naixiong;Woodcock, Jeremiah W.;Xue, Chenming;O’Lenick, Thomas G.;Jiang, Xueguang;Jin, Shi;Dadmun, Mark D.;Zhao, Bin. And the article was included in PMSE Preprints in 2012.Reference of 27249-90-7 This article mentions the following:

Herein, we present a strategy to tune the upper boundary of the sol-gel phase diagram of a thermosensitive hydrophilic diblock copolymer. The polymer, poly(c-co-acrylic acid)-b-poly(ethoxydi(ethylene glycol) acrylate) (P(TEGMA-co-AA)-b-PDEGEA), was prepared by reversible addition-fragmentation chain transfer polymerization The higher LCST block of the diblock copolymer contained a small amount of carboxylic acid groups, and thus its LCST can be tuned by changing the pH of the solution, which allowed us to shift the upper boundary of the sol-gel phase diagram. In the experiment, the researchers used many compounds, for example, Benzyl benzodithioate (cas: 27249-90-7Reference of 27249-90-7).

Benzyl benzodithioate (cas: 27249-90-7) belongs to esters. Volatile esters with characteristic odours are used in synthetic flavours, perfumes, and cosmetics. Certain volatile esters are used as solvents for lacquers, paints, and varnishes. Many esters have the potential for conformational isomerism, but they tend to adopt an s-cis (or Z) conformation rather than the s-trans (or E) alternative, due to a combination of hyperconjugation and dipole minimization effects. The preference for the Z conformation is influenced by the nature of the substituents and solvent, if present. Lactones with small rings are restricted to the s-trans (i.e. E) conformation due to their cyclic structure.Reference of 27249-90-7

Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics