Tipco manufactures cationic asphalt emulsion, cutback asphalt and polymer modified asphalt cement. "DIRECTORY OF LEADING ...
The retention agent is a polymer with high cationic, positively charged groups. An additional feature of a retention agent is ... By adding cationic (positive charged) starch, the fibre can bind with the starch and thus also increase the interconnections ... "Cationic Surface Size". 22 May 2021. Archived from the original on 15 December 2022. Retrieved 30 June 2022. Fardim, Pedro ( ... To enhance the paper's strength, cationic starch is added to wet pulp in the manufacturing process. Starch has a similar ...
One common substrate is glass fibre coated with polybrene, a cationic polymer. The Edman reagent, phenylisothiocyanate (PITC), ...
Dong R, Su Y, Yu S, Zhou Y, Lu Y, Zhu X (October 2013). "A redox-responsive cationic supramolecular polymer constructed from ... supramolecular polymer networks). By changing the dissociation rate of polymer crosslink dynamics, supramolecular polymers have ... Supramolecular polymers are the subject of research in academia and industry. The stability of a supramolecular polymer can be ... More interaction between polymers tends to enhance the interaction strength between polymers. The association rate and ...
Another method is the use of cationic polymers such as DEAE-dextran or polyethylenimine (PEI). The negatively charged DNA binds ... Lipofection generally uses a positively charged (cationic) lipid (cationic liposomes or mixtures) to form an aggregate with the ... Chemical-based transfection can be divided into several kinds: cyclodextrin, polymers, liposomes, or nanoparticles (with or ... This transfection technology performs the same tasks as other biochemical procedures utilizing polymers, DEAE-dextran, calcium ...
It is water-soluble, forms gels when cross linked, and acts as a cationic polyelectrolyte. It can be used for ion exchange ... v t e (Articles lacking sources from June 2012, All articles lacking sources, Acrylate polymers, Polyelectrolytes, All stub ... PolyAPTAC, or poly (acrylamido-N-propyltrimethylammonium chloride), is an organic polymer. ...
His polymer work led the prestigious American Chemical Society award for Applied Polymer Science in 1993. After a brief period ... In addition to GTP he developed a living cationic polymerization of vinyl ethers. These two discoveries sparked a burst in ... In the latter half of his stay at DuPont he switched to polymer science where he invented Group Transfer Polymerization (GTP), ... These systems augment the now popular dendritic polymers. Shortly before retirement he capped his efforts in the materials ...
... polymers, and lipids with polymers, respectively. Polyehtyleneimine (PEI) is a highly cationic polymer that complexes with ... Polylactic-co-glycolic acid (PLGA) is the most popular polymer for nanoparticle delivery systems due to its simple synthesis ... the ability to tailor surface chemistry with polymer layers to affect targeting and biodistribution, and improved ... lipid bilayers and cell membranes but usually get rapidly eliminated in vivo unless stabilized with PEG or another polymer. ...
... epoxycyclohexancarboxylate in photoinitiated cationic polymerizations". Journal of Polymer Science Part A: Polymer Chemistry. ... 3,4-Epoxycyclohexanecarboxylate methyl ester itself would give a linear polymer when homopolymerized. 3,4- ...
... has been used with carriers such as cationic polymers for improved cellular delivery and efficacy. Dz13 in such polymers ... Kynova, R. et al (2014) Enhancing nucleic acid delivery, insights from the cationic phospholipid carriers. Current ...
"Nanoscopic Cationic Methacrylate Star Homopolymers: Synthesis by Group Transfer Polymerization, Characterization and Evaluation ... In the case of polymer solutions, polymer-polymer, solvent-solvent and polymer-solvent interactions have to be taken into ... C causes phase separation into a polymer-poor phase with 1% polymer and a polymer-rich phase with 30% polymer content. Also ... Temperature-responsive polymers or thermoresponsive polymers are polymers that exhibit drastic and discontinuous changes in ...
... cationic complexes with bis(chelating) oxime and amide ligands". Dalton Transactions. 39 (27): 6266-75. doi:10.1039/C0DT00008F ... An example of this might be seen in a polymer that contains gas molecules in its normal state, but upon compression the polymer ... A coordination polymer is an inorganic or organometallic polymer structure containing metal cation centers linked by ligands. ... Coordination polymers are relevant to many fields, having many potential applications. Coordination polymers can be classified ...
Another synthesis method involves coating magnetic nanoparticles with cationic lipids or polymers via salt-induced aggregation ... Magnetofection attempts to unite the advantages of biochemical (cationic lipids or polymers) and physical (electroporation, ... the proton sponge effect caused by cationic polymers coated on the nanoparticles that promote endosome osmotic swelling, ... For example, nanoparticles may be conjugated with the polyethylenimine (PEI), a positively charged polymer used commonly as a ...
PolyDADMAC is a popular cationic (positively charged) organic polymer used in water purification plants.: 667-8 Waters exiting ... When organic polymers are added to water with particulates, the high molecular weight compounds adsorb onto particle surfaces ... Ultrafiltration membranes use polymer membranes with chemically formed microscopic pores that can be used to filter out ... Synthetic organic polymers are high molecular weight compounds that carry negative, positive or neutral charges. ...
Electrostatic interactions can form nanogels through the combination of anionic and cationic polymers in an aqueous solution. ... When the polymer chain reaches the desired length, the reaction is halted and a polymer colloidal suspension is formed. ... A nanogel is a polymer-based, crosslinked hydrogel particle on the sub-micron scale. These complex networks of polymers present ... "Nanogels comprising reduction-cleavable polymers for glutathione-induced intracellular curcumin delivery". Journal of Polymer ...
In the presence of a cationic photoinitiator photopolymer, SU-8 forms networks with other polymers in solution. Basic scheme ... An example of a widely used polymer of this class is SU-8. SU-8 was one of the first polymers used in this field, and found ... Radiation of the polymers in the presence of an initiator results in the formation of a chemically resistant network polymer. A ... Polymers that form networks during photopolymerization are referred to as negative resist. Conversely, polymers that decompose ...
Complexes of polymers with DNA are called polyplexes. Most polyplexes consist of cationic polymers and their fabrication is ... has triggered new polymer synthesis strategies such as incorporation of protonable residues in polymer backbone and has ... they are complicated and time-consuming to produce so attention was turned to the cationic versions. Cationic lipids, due to ... Although cationic liposomes have been widely used as an alternative for gene delivery vectors, a dose dependent toxicity of ...
Since the sequence was conducted on multiple occasions, the stuntmen were coated with gel containing cationic polymers. The ...
Priya, SS; Rekha, MR (2016). "Disulphide cross linked pullulan based cationic polymer for improved gene delivery and efflux ... Thiolated polymers - designated thiomers - are functional polymers used in biotechnology product development with the intention ... Leichner, C; Jelkmann, M; Bernkop-Schnürch, A (2019). "Thiolated polymers: Bioinspired polymers utilizing one of the most ... Polymers. 10 (3): 243. doi:10.3390/polym10030243. PMC 6414859. PMID 30966278. Grosso, R; de-Paz, MV (2021). "Thiolated-Polymer- ...
It can be further divided into anionic polymerization and cationic polymerization. Ionic polymerization generates many polymers ... who introduced the terms addition polymer and condensation polymer to describe polymers made by addition reactions and ... ISBN 0-12-601680-1. Sawamoto, Mitsuo (January 1991). "Modern cationic vinyl polymerization". Progress in Polymer Science. 16 (1 ... The word "chain" here does not refer to the fact that polymer molecules form long chains. Some polymers are formed instead by a ...
They also acquired Western Polymer, a US potato starch manufacturer that produces cationic starch for the paper industry. ... "Western Polymer Corp". PotatoPro. October 15, 2013. "Ingredion Acquires Western Polymer Expanding Capacity For Higher-Value ... Western Polymer employed about 70 people at 3 sites. Ingredion acquired PureCircle in 2020, a stevia sweeteners maker. That ...
In turn, the charge of the polymer classifies the polyelectrolyte, which can be positive (cationic) or negative (anionic). The ... and the ions will shield the charges on the polymer chain allowing the polymer chain to form a dense random coil. Electrostatic ... Polymer Molecular Weight, and Polymer/Surfactant Ratio". Macromolecules. 3 (9): 3324-3331. Bibcode:2000MaMol..33.3324W. doi: ... Polymers become charged through the dissociation of the monomer side groups. If more monomer side groups are dissociated, the ...
IUPAC definition Ampholytic polymer: Polyelectrolyte composed of macromolecules containing both cationic and anionic groups, or ... 2006). "Terminology of polymers containing ionizable or ionic groups and of polymers containing ions (IUPAC Recommendations ... The conformation of any polymer is affected by a number of factors: notably the polymer architecture and the solvent affinity. ... polymer electrolyte, and polymeric electrolyte should not be confused with the term solid polymer electrolyte. Polyelectrolytes ...
v t e (Articles lacking sources from December 2009, All articles lacking sources, Polymer chemistry, All stub articles, Polymer ... The reactive center is commonly radical, anionic, or cationic in nature, but can also take other forms. ... In chain-growth polymer chemistry this is also the point of propagation for a growing chain. ...
"Cationic Starch". Hubbe, Martin. "R&D Chemicals: How they Impact Papermaking". Pykonen, M; Johansson, K.; Dubreuil, M.; Strom, ... Co-binders, or thickeners, are generally water-soluble polymers that influence the paper's color viscosity, water retention, ... Cationic starch and hydrophilic agents are also applied, including alkenyl succinic anhydride (ASA) and alkyl ketene dimers ( ... Co-styrene-maleic anhydride and co-styrene acrylate are common binders associated with a cationic starch pigment in Inkjet ...
This electrophilic, cationic palladium species is used for the polymerization of olefins with carbon monoxide to polyketones in ... Polyketones, thermoplastic polymers, are formed by the copolymerisation of carbon monoxide and one or more alkenes (typically ... One common method of generating these cationic species is via protonolysis of a dialkyl complexes or an olefin complex. For ... BAr′4 anions are used as counterions for highly electrophilic, cationic transition metal species, as they are very weakly ...
modified PNIPAAm with cationic N,N-dimethylaminopropylacrylamide (DMAPAAm) and hydrophobic BMA and grafted it onto silica beads ... Thermoresponsive polymers can be used as stationary phase in liquid chromatography. Here, the polarity of the stationary phase ... This results in a formation of a polymer-enzyme conjugate which can be reversibly precipitated and dissolved by changing the ... The scope of this study was limited to isothermal conditions and attaching polymer chains to glass beads. The results, however ...
... and cationic polymers such as PEI in 1995 (marketed as "polyjet" soon after). Currently in research, most nucleic acid ... These cationic molecules condense DNA plasmids (~50-200 nm), mRNA (10-100 nm) and other nucleic acids (see "Properties of ... Other cationic transfection reagents were developed in the 1990s based on dendrimers such as PAMAM in 1993 ("superfect" reagent ... For example, design of the cationic ionizable lipids, which are a key component of lipid nanoparticle formulations, with an ...
The influence of the synthetic cationic polymer polyquaternium-7 on the rheology and microstructure of creams was investigated ... It is a cationic polyelectrolyte. Polyquaternium-7 is used as modifier, for example in shampoo, hair conditioner, hair spray, ... Hössel, P.; Dieing, R.; Nörenberg, R.; Pfau, A.; Sander, R. (2000-02-01). "Conditioning polymers in today's shampoo ... Efficacy, mechanism and test methods of conditioning polymers in some shampoo formulations was investigated. "CosIng - ...
Layered microporous polymers by solvent knitting method' Science Advances, 2017. 'Dopamine coated Fe3O4 nanoparticles as enzyme ... Cationic Silver Nanoclusters as Potent Antimicrobials against Multidrug-Resistant Bacteria' ACS Omega, 2018. 'Metal ... Multifunctional microporous organic polymers' Journal of Materials Chemistry A, 2014. 'Synthesis of cellulose-metal ... An efficient synthesis of ultrafine gold nanoparticles with tunable sizes in a hyper-crosslinked polymer for nitrophenol ...
Cationic polymers can be mixed with mRNA to generate protective coatings called polyplexes. These protect the recombinant mRNA ... Initiation of cationic lipid-mediated mrna transfection; Concept proposal of mRNA-based drugs Malone RW, Felgner PL [in German ... Protamine is a natural cationic peptide and has been used to encapsulate mRNA for vaccination.[non-primary source needed] The ... especially ionizable cationic lipids. Before 2020, such lipids were manufactured in small quantities measured in grams or ...
... a new biodegradable and cationic pullulan derivative for mucosal drug delivery". Carbohydrate Polymers. 282: 119143. doi: ... Carbohydrate Polymers. 111: 892-900. doi:10.1016/j.carbpol.2014.05.037. ISSN 0144-8617. PMID 25037429. Patil, Sudha B.; Inamdar ... Carbohydrate Polymers. 123: 190-207. doi:10.1016/j.carbpol.2015.01.032. ISSN 0144-8617. PMID 25843851. Kicková, Eva; Sadeghi, ... Carbohydrate Polymer Technologies and Applications. 2: 100115. doi:10.1016/j.carpta.2021.100115. ISSN 2666-8939. Lu, Dianxiang ...
The mechanism of molecular termination by aromatic compounds in cationic polymerization of styrene". Journal of Polymer Science ... Branched polymers are formed as monomer adds to the new radical site which is located along the polymer backbone. The ... Transfer to polymer. Chain transfer may take place with an already existing polymer chain, especially under conditions in which ... proved the sulfur from a mercaptan modifier did indeed become incorporated into a polymer chain under the conditions of bulk or ...
... and are classified as addition polymers rather than condensation polymers. Step-growth polymers increase in molecular weight at ... Other forms of chain growth polymerization include cationic addition polymerization and anionic addition polymerization. A ... Most step-growth polymers are also classified as condensation polymers, since a small molecule such as water is lost when the ... Cross-link In situ polymerization Metallocene Plasma polymerization Polymer characterization Polymer physics Reversible ...
Cationic surfactants adhere well to natural fibers (wool, cotton), but less so to synthetic fibers. Cationic softeners are ... Another approach is a polymeric network, an emulsion polymer. In addition to fabric softening chemicals, fabric softeners may ... These are often used together with the conventional cationic softeners. Cationic softeners are incompatible with anionic ... Cationic softeners bind by electrostatic attraction to the negatively charged groups on the surface of the fibers and ...
Antistatic agents, which bind to the hair and reduce the static, can include cationic polymers such as Polyquaternium-10 and ... Hold conditioners, based on cationic polyelectrolyte polymers, hold the hair in a desired shape. These have a function and ... Detanglers modify the hair surface pH as acidifiers or coat it with polymers as glossers. Glossers are light-reflecting ... Cleansing conditioners are a newer category, typically based on a combination of amphoteric and cationic surfactants that can ...
Acrylate Resins and Coatings Preparation via Cationic and Free-Radical Photopolymerization". Polymers. 13 (11): 1718. doi: ... Journal of Polymer Science Part A: Polymer Chemistry. 44 (21): 6435-6448. Bibcode:2006JPoSA..44.6435C. doi:10.1002/pola.21761. ... Journal of Polymer Science Part A: Polymer Chemistry. 44 (21): 6435-6448. Bibcode:2006JPoSA..44.6435C. doi:10.1002/pola.21761. ... polymer with (chloromethyl)oxirane 1,3-Propanediol,2-(hydroxymethyl)-2-methyl-,polymer with 2-(chloromethyl)oxirane 2-( ...
Delivery is usually done by cationic liposomes, polymer nanoparticles, and lipid conjugation. This method is advantageous ...
... (commercial brand name Polybrene) is a cationic polymer with several uses. Currently, it is primarily ... Organic polymers, All stub articles, Genetics stubs, Polymer stubs). ... 2004). "Charged Polymers Modulate Retrovirus Transduction via Membrane Charge Neutralization and Virus Aggregation". ...