Adhesives solvent

Further development in the area of alternate value-added products for improving economics included other oxygenated sulfur compounds [246,247], This invention included alkylated 2-(2-hydroxyphenyl) benzenesulfinic acid and 2-(2-hydroxyphenyl)-benzenesulfonic acid compounds and compositions which consist essentially of 2-(2-hydroxyphenyl) benzenesulfinic acid, 2-(2-hydroxyphenyl)-benzenesulfonic acid and/or substituted derivatives. The compositions are useful as hydrotropes and are also of use as, or as starting materials for, surfactants, and as starting materials for the synthesis of other useful chemicals such as, polymers and resins, solvents, adhesives, and biocides. 

Uses Artificial resins perfumery solvent adhesives protective coatings special fuel organic synthesis (Grignard and Reppe reactions). 

Poly(vinyl acetate) dry resins and ethylene-vinyl acetate (EVA) copolymers are used in solvent adhesives, which can be applied by total industrial techniques, e.g., brushing, knife-coating, roller-coating, spraying, or dipping... 

Industrialbiobased products have enormous potential in the chemical and material industries. The diversity of biomass feedstocks (sugars, oils, protein, lignocellulosics), combined with the numerous biochemical and thermochemical conversion technologies, can provide a wealth of products that can be used in many applications. Targeted markets include the polymer, lubricant, solvent, adhesive, herbicide, and pharmaceutical markets. Industrial bioproducts have already penetrated some of these markets, but improved technologies promise new products that can compete with fossil-based products in both cost and performance. 

Intermolecular forces of attraction among the solute and the solvent (cohesion) must be broken while intermolecular forces of attraction between the solute and solvent (adhesion) must be required. Work must be done to randomly distribute the solute in the solution. As the difference between the cohesive and adhesive forces becomes larger, the solubility of the solute will be lower. The activity of a nonideal... 

Conventional silanes are limited to high-solids and solvent adhesive and sealant applications in which moisture is not encountered until use. However, water-stable epoxy silane promoters have recently been developed to enhance the wet strength of waterborne adhesives and sealants.17... 

Adhesive can be softened Adhesive not cured properly by heating or wiping with solvent adhesive can easily be indented with fingernail pressure... 

This adhesive is a resin/solvent adhesive material compounded to supply satisfactory initial tack. The solvent system has been carefully selected for somewhat rapid evaporation, thereby requiring minimum temperature and ventilation. Useful in textiles and paper board industries. 

Not all solvent adhesives will he replaced with latexes per se. For some applications, hot melt adhesive systems are heing developed. However, just as ethylene-vinyl acetate copolymers produced by emulsion polymerization are a major component of many hot melt systems, suitably designed emulsion polymers to meet specific requirements will probably he present in these systems, too. 

Acetal Copolymer (CELCON ) Two types of non-solvent adhesives are used, structural and non-structural. Most structural adhesives are based on thermoset resins and require the use of a catalyst and/or heat to cure. This type of adhesive is normally used in applications which require maximum bond strength and minimum creep of the adhesive joint under sustained loading. Many structural adhesives can be used continuously at temperatures up to 350 F, which is higher than the... 

Polyethylene and Polypropylene Acceptable bonds have been obtained between treated polyolefin surfaces with polar adhesives, such as epoxies, or solvent cements containing synthetic rubber or phenolic resin. The solvent adhesives are applied to both surfaces and the solvents allowed to evaporate before the parts are joined. Recommended epoxies are the anhydride-cured and amine-cured types. Also suitable is a two-component, polyamide-modified epoxy compound. Other adhesives that provide adequate bond strength to treated polyolefins include styrene-unsatmated polyester and solvent-type nitrile-phenolic (15). 

A typical characteristic of physically setting adhesives is the evaporation of solvents or heatup to a molten state. Application is then in liquid form (solvent adhesives, contact adhesives, dispersion adhesives, hotmelt adhesives) or from the solid phase (adhesive films, laminate adhesives). In all of these types there is a liquid state during processing from which emissions are always a possibility due to the volatility of the basic polymer or other adhesive components. 

A typical mixture for a solvent adhesive application comprises acetone, tetrahydrofurane, and alcohols (CeUpack). Agrifix 108 (Rohm, Darmstadt) is a mixture of PC with methylene chloride that is used for adhesive bonding of PC. The contact pressure after the adhesive is applied should be 0.01 MPa. The viscosity of the adhesives can be regulated by addition of a certain amount of PC. Other adhesives are Acrifix 116-118 for PMMA, PS, SBC, ABS PVC-U, CAB, and PC. 

Provide well-marked and closable waste containers for solvents, adhesive residues, acids, bases and cleaning cloths. Noncured adhesive residues are regarded as hazardous waste ... 

For the above-mentioned thermoplastics, solvent adhesives according to the diffusion bonding principle (observe indication on the packaging). 

Cold-curing reactive adhesives (hardly ever used, since the solvent adhesives described before fulfil all practical requirements). 

Pale. [CasQiem] Pdymerized casmr oil plasticizer, lubricant, penetrant, wetting agent, dispersant, ctnipling solvent, adhesion promoter for cellulose lacquers, inks, a esives, polish, caulks, leather dressing, hydraulic fluids, rubber ctnnpding., gasket cement. 

Products and Uses Common ingredient in paint removers, cements, and cleaning fluids. Used as a solvent, adhesive, surface coating, and stain remover. 

Printing inks describe the carbon black or lamp black pigments carried in a drying oil (e.g., linseed) with resins, solvents, adhesives, and driers. The resins may add gloss and hardness and increase the speed of drying. 

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