3-aminopropyltriethoxysilane coatings

Adhesion of polyimides to inorganic substrates is of great importance to the microelectronics industry [1, 2]. The polyimide films are deposited most often by spin coating the polyamic acid (PAA) usually from a TV-methylpyrrolidone (NMP) solution onto the substrate surface followed by thermal imidization at temperatures up to 400<>C. The most studied polyimide is the pyromellitic dianhydride-oxydianiline (PMDA-ODA), which exhibits excellent mechanical and dielectric properties, but not so good adhesion characteristics. The latter has been generally overcome by application of an adhesion promoter, such as y-aminopropyltriethoxysilane [3-7]. The reactions of APS (coated from water solution) with the silicon dioxide surface as well as with polyamic acid have been well characterized by Linde and Gleason [4] however, we do not have such detailed information available on APS interaction with other ceramic surfaces. 

Coat with 2% Aplex (3-aminopropyltriethoxysilane) (Sigma) in 100% acetone for 5 min. 

Aminopropyltriethoxysilane (APES)-coated slides for cell pellets (Sigma Chemical Co., St. Louis, MO). 

APTES The crystal is coated with y-aminopropyltriethoxysilane (APTES) solution (2-5% in acetone, dry benzene). Biocatalysts are immobilized on the precoated crystal via glutaraldehyde activation [30]. 

Silane slide coating solution 2% (v/v) 3-aminopropyltriethoxysilane (Sigma, cat. no. A3648) in acetone. Prepare fresh just before use (see Section 3.2.). 

Another interesting method for generating single-electron transistors is to prestructure the substrate surface, followed by deposition of the nanoparticles, and finally to place two or more metal electrodes across the nanoparticle chain. This method was described by Coskun et al. [67], who first spin-coated a cleaned silicon substrate with PMMA, and then structured the surface with EBL to define the desired patterns, treated the substrate vhth a aminopropyltriethoxysilane (APTES) solution. 

The derivatives are formed by reacting the polysaccharides with the substituted isocyanates in pyridine and the desired material is isolated as the methanol-insoluble fraction. Prior to coating, the silica particles are treated with 3 -aminopropyltriethoxysilane using the standard procedure. The polysaccharides derivatives are then dissolved in tetrahydrofuran and adsorbed on the aminopropylsilica. The stationary phase loading should be about 25% w/w. The derivatized cellulose and amylose have been used extensively in the separation of chiral drugs of all types. 

Chem. Descrip. y-Aminopropyltriethoxysilane CAS 919-30-2 EINECS/ELINCS 213-048-4 Uses Coupling agent, crosslinking agent, adhesion promoter for waterborne latex coatings coupling agent for sulfur or metal oxide-cured rubber... 

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