Silanes aminopropyl trimethoxysilane

We have found that the ratios of silanes used can be varied within wide limits, and more than two silanes can be used. For example, TEOS, y-aminopropyl trimethoxysilane (AMP-silane) and phenyl trimethoxysilane can be co-polymerised to give a material containing both amino groups and phenyl groups. Some representative examples of materials synthesised by this procedure are detailed in Tables 1 and 2... 

SYNS (N-(3-AMINOPROPYL)-3-AMINOPROPYL)-TRIMETHOXYSILANE 1,3-PROPANEDIAMINE, N-(3-(TRIMETHOXYSILYL)PROPYL)- SILANE 40-47... 

Aminoethyl) aminopropyl) trimethoxysilane. See N-2-Aminoethyl-3-aminopropyl trimethoxysilane N-2-Aminoethyl-3-aminopropyl trimethoxysilane CAS 1760-24-3 EINECS/ELINCS 212-164-2 Synonyms (3-(2-Aminoethyl) aminopropyl) trimethoxysilane N-(2-Aminoethyl)-y-aminopropyl trimethoxysilane N-p-(-Aminoethyl) Y-aminopropyltrimethoxysilane N-[3-(Trimethoxysilyl) propyl] ethylenediamine Classification Diamino silane Empirical CsH22N203Si Formula NH2CH2CH2NH(CH2)3Si(OCH3)3 Properties Lt straw-colored liq. m.w. 222.41 dens. 1.028 (20/4 C) b.p. 261-263 C flash pt 121 C ret index 1.442... 

Dow Corning Z-6011 Siiane. See Aminopropyltriethoxysilane Dow Corning Z-6020 Silane. See N-2-Aminoethyl-3-aminopropyl trimethoxysilane Dow Corning Z-6030 Siiane. See 3-Methacryloxypropyltrimethoxysilane Dow Corning Z-6040 Siiane. See 3-Glycidoxypropyltrimethoxysilane Dow Corning Z-6070 Siiane. See Methyltrimethoxysilane Dow Corning Z-6075. See Vinyltriacetoxy silane... 

N-2-Aminoethyl-3-aminopropyl trimethoxysilane Dow Corning Z-6020 Silane Dynasylan DAMO Dynasylan DAMO-P Dynasylan DAMO-T Prosil 3128 Silquest A-1120... 

Materials selected as interface modifiers for surface passivation were chosen by their potential to react with surface oxides and hydroxyls where moisture would likely interact. The three which were ultimately tested are polyphenylsilsesquioxane (PSS), hexamethyldisilazane (HMDS), and N- 3-(N-vinyIbenzylamino) ethyl-7-aminopropyl-trimethoxysilane-monohydrogen chloride ("silane ). The last material proved to be corrosive to the test nichrome resistors due to the chloride part of the molecule. Therefore, most of the study centered around the first two materials. 

Silica surface modification using silane coupling agents (e.g. 3-aminopropyl-trimethoxysilane (APTS), aminopropylmethyldiethoxysilane (APMDS) or methacryloxypropyltriethoxysilane (MPTS) can be carried out in aqueous or non-aqueous solution systems, but for large scale production, an aqueous system is preferred [21, 22]. 

Zhao et al. [32] carried out a surface modification of Ti02 nanoparticles with the silane coupling agents 3-aminopropyl trimethoxysilane (APTMS) and 3-Isocyanato propyl trimethoxysilane (IPTMS). The process of nanoparticle surface modification by silane coupling agents is shown in Fig. 2. Various anionic surfactants have been used to disperse nano Ti02 [33],... 

The colloid solutions described above (Ag nanotriangles, citrate-reduced Ag, and citrate-reduced Au) were dialyzed against pH=5 ultrapure water for 48 hours before further modification. Based on the known size and density of the metallic cores, 1 mM aqueous (3-aminopropyl)trimethoxysilane (390 iL) was added to 10 mL of the dialyzed colloid solution. After 15 minutes, the pH of the colloid/(3-aminopropyl)trimethoxy-silane solution was raised to 11.5 by adding aqueous potassium hydroxide. Finally, the silica shell began to form after 27% sodium silicate (2.1 xL) was added to the basic solution. Quenching of the shell growth was accomplished by adding 40 mL of absolute ethanol to the nanoparticle solution. 

Silane ([3-(glycidyloxy)propyl]trimethoxysilane, hexadecyltrimethoxysi-lane, and (3-aminopropyl)trimethoxysilane) modification for improved dispersion efficiency of the organomontmorillonites was also evaluated. The silane modifications were prepared by dispersing the organomontmorillonites in a methanol-water (10 1) mixture, adding 0.3g of silane to the dispersion, and subsequent agitation for two days at room temperature. The silane-modified organomontmorillonite was separated from the solution by filtration, repeatedly washed with methanol, and dried at 50°C for 4h. 

APTES 3-aminopropyl(triethoxy)silane (also referred to as APS, APT or APTS) APTMS (3-aminopropyl)trimethoxysilane... 

Covalent immobilization methods of NAs to a silica surface require its chemical modification. Functionally inert surface silanols (Si - OH) need to be transformed into reactive species to which the NAs can be attached irreversibly. To date, the main method for the attachment of biological moieties to silica surfaces has involved substrate reaction with organofunctional silanes of the general structure (RO)3Si(CH2)X, followed by the covalent attachment of the biological molecule to the newly introduced fimctional group on the surface [31,32]. Examples of organofimctional silanes used this way include (3-glycidoxypropyl)trimethoxysilane, (3-aminopropyl)triethoxysilane,... 

FIGURE 3.62 Schematic representation of the immobilized molecules by (a) (3-glycidyloxypropyl) trimethoxysilane, (b) 3-(trimethoxysilyl)propyl methacrylate incorporated in the poly(methyl methacrylate) (PMMA), (c) poly(glycidyl methacrylate), (d) glycidyl methacrylate incorporated in the PMMA, and (e) PEMA on 3-aminopropyl-dimethylethoxy-silane. Where Rx— pendant molecules, R—polymer. 

Figure 3.8 The most frequently used methods to immobilize capture molecules onto microarray surfaces. (A) Antibody adsorption by poly-L-lysine-, nitrocellulose-, or polyvinylidene fluoride-treated surface. (B) Covalent binding using various silane reagents of APTES (3-aminopropyl)triethoxysilane, GPTS (3-gly-cidoxypropyl)trimethoxysilane, and MPTS (3-mercaptopropyl)trimethoxysilane. (C) Affinity interactions by biotin/streptavidine or histidine-tag/nickel-nitrilotri-acetic acid. (D) Diffusion-based (hydrogel) antibody-immobilization technique.

Figure 20. Molecular dynamics simulations of the positional arrangement of fully hydrolyzed oiganosilane molecules on an FeOOH substrate, obtained using the Cerius- Sorption package (a) glycidoxypropyl trimethoxysilane the silane head is at the right-hand end of the molecule (b) y-aminopropyl tri-ethoxysilane the silane head is at the left-hand end of the molecule (c) vinyl-triethoxy silane the silane head of the molecule is adjacent to the FeOOH surface. The scale bar is 0.2 nm. This figure was produced using the original (color) computer graphics files obtained by Davis 1146).

Polysilsesquioxane hybrid materials were prepared by adding aminopropyl tri-methoxy silane and imidazole glycidoxypropyl trimethoxysilane monomers to the solution of sPEEK (with DS = 67% in NMP). RSiOi.s network in a polymer matrix was generated in this way by a sol-gel process. The proton conductivity of the resulting hybrid ionomers was low and, in the temperature range of 50-90 °C, did exceed a few mS/cm [179]. 

---