Polymers caulk

Uses Filler for paints, polymers, caulks and putties, SR, latexes, plasti-sols, joint compds., building prods. 

Chem. Descrip. Proprietary BIT with amino acid Uses Preservative for indoor emission-free paints/coatings, emulsion polymers, caulks, sealants, adhesives, and other highly alkaline coatings... 

Petersen, E.A., 1986, "Formulating Sealants with Mercaptan Terminated Polymers", Caulks and Sealants Short Course, Adhesive and Sealant Council, Washington, DC, Dec., pp 87-132. 

Other Uses. Large quantities of hydrocarbon resins are used in mastics, caulks, and sealants (qv). Polymers for these adhesive products include neoprene, butyl mbber, polyisoprene, NR, SBR, polyisobutylene, acryHcs, polyesters, polyamides, amorphous polypropylene, and block copolymers. These adhesives may be solvent or water-borne and usually contain inorganic fillers. 

A plasticizer is a substance the addition of which to another material makes that material softer and more flexible. This broad definition encompasses the use of water to plasticize clay for the production of pottery, and oils to plasticize pitch for caulking boats. A more precise definition of plasticizers is that they are materials which, when added to a polymer, cause an increase in the flexibiUty and workabiUty, brought about by a decrease in the glass-transition temperature, T, of the polymer. The most widely plasticized polymer is poly(vinyl chloride) (PVC) due to its excellent plasticizer compatibility characteristics, and the development of plasticizers closely follows the development of this commodity polymer. However, plasticizers have also been used and remain in use with other polymer types. 

These polymers are liquids which may usefully be cast or used for impregnation and caulking compounds. In addition they may be vulcanised by a variety of agents, ostensibly by a chain lengthening process. It should, however, be noted that these polymers normally contain small quantities of tri-chloropropane in the original monomer mix so that the three-dimensional chain extension will lead to cross-linking. 

Approximately 70,000 tons of silicone polymers are produced each year In the United States. Silicones are used as greases, caulking, gaskets, biomedical devices, cosmetics, surfactants, antifoaming agents, hydraulic fluids, and water repellents. 

Organic polymers are sometimes referred to as plastics (although, this should be confined to thermoplastic polymers), macromolecules or resins, though the latter is often used to describe raw polymeric material awaiting fabrication. Many polymers are used in various forms that are not associated with normal plastic materials. These include paints and coatings, elastomers (rubbers), adhesives, sealants (caulks), surfactants and also their use in various industrial applications, e.g., ion-exchange resins, membranes. 

Ethylbenzene Styrene-related perfumes, synthetic polymers, solvents.fax machines, computerterminals and printers,furniture poish, latex and non-latex caulking compounds, floortile adhesives, carpet tile adhesives. 23 Not classified... 

The polymerization process is a low temperature catalytic reaction. The type of polymer produced is strongly affected by the reaction temperature. Low temperatures give low molecular weight polymers, the kind useful in caulking compounds and as a viscosity index improver for motor oils. 

Thiokol (structure 4.70), which was the first synthetic elastomer, was synthesized by Patrick in the 1920s, by the condensation of alkylene dichlorides and sodium polysulfides. These solvent-resistant elastomers have limited uses because of their foul odor. They can be reduced to liquid polymers that can be reoxidized to solid elastomers, which is used in caulking material and some rocket propellant formulations ... 

Polysiloxanes (silicons) offer a good combination of properties not found in organic polymers. Silicons are employed in a number of applications including antifoaming agents, lubricants, caulks, sealants, gaskets, and as biomaterials. 

Liquid polymers with terminal mercapto groups (LP-2) are obtained when solid polyolefin poiysulfides are reduced. These liquid polymers may be oxidized to solid polymers in the presence of oxidizing agents, such as lead oxides. The liquid polymers are used in caulking compositions and as reactive flexibilizing agents in epoxy resins. 

Isobutylene is more reactive than n-butene and has several industrial uses. It undergoes dimerization and trimerization reactions when heated in the presence of sulfuric acid. Isobutylene dimer and trimers are use for alkylation. Polymerization of isobutene produces polyisobutenes. Polyisobutenes tend to be soft and tacky, and do not set completely when used. This makes polyisobutenes ideal for caulking, sealing, adhesive, and lubricant applications. Butyl rubber is a co-polymer of isobutylene and isoprene containing 98% isobutene and 2% isoprene. 

J.L. Walker and PR. Mudge, Ethylene vinyl acetate polymers for latex caulks, US Patent 5120 785, assigned to National Starch and Chemical Investment Holding Corporation (Wilmington, DE), June 9,1992. 

Among the butylenes, isobutylene has become one of the important starting materials for the manufacture of polymers and chemicals. There are many patents that describe the use of isobutylene or its derivatives to produce insecticides, antioxidants, elastomers, additives for lubricating oils, adhesives, sealants, and caulking compounds. Table 9 shows the use pattern of butylenes in the United States. 

Polysiloxanes (silicones) are one of the most studied classes of polymers. They exhibit a variety of useful properties not common to non-metal-contain-ing macromolecules. They are characterized by combinations of chemical, mechanical, electrical, and other properties that, when taken together, are not found in any other commercially available class of materials. The initial footprints on the moon were made by polysiloxanes. Polysiloxanes are currently sold as high-performance caulks, lubricants, antifoaming agents, window gaskets, O-rings, contact lens, and numerous and variable human biological implants and prosthetics, to mention just a few of their applications. 

Polyisobutylenes are easily made via the acid-catalyzed polymerization of isobutylene. The low molecular weight polymers are used as additives for gasoline and lubricating oils, whereas higher molecular weight polymers are used as adhesives, sealants, caulks, and protective insulation. 

Zinc borates (see Table 9.3) xZnO yli2( )3 -H20 — — Polymer, elastomers, coatings, sealants/caulks... 

Polyisobutylene (polybutylene, polybutene, polyisobutene) Any of several thermoplastic isotactic polymers of isobutene of varying molecular weight. They are used as major components in sealing and caulking compounds. 

Real-World Connection Organic compounds containing silicon, carbon, chlorine, and hydrogen are used to make silicone polymers, which are used in water repellents, electrical insulation, hydraulic fluids, lubricants, and caulks. 

Major polymer applications belting, steam hose, curing bladders, O-rings, shock and vibration products, structural caulks and sealants, water-barrier applications, roof coatings, and gas-metering diaphragms... 

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