No. Minor This 64 ounce bottle treats sixteen 5 gallon pails of compound. Minor Minor When used for new walls, joint compound effectively eliminates all blemishes from the surface of the drywall, such as fasteners, damage, or drywall tape. Clays, such as bentonite, kaolin, sepeolite or attapulgite clay are particularly preferred suspending agents, with attapulgite clay being the most preferred. Xylene sulfonate is a major component of NO POCK!®, and is likely to have contributed to it's poor performance (Example 10). Tests exemplifying the present invention achieved the goal of enhanced surface properties by exhibiting a good combination of improved shrinkage, cracking and cratering characteristics. Latex Vinyl Use a pipe joint sealant for major plumbing projects. Joint Compound Composition . Reagent grade Surfactant Improvement in cratering may be accompanied, for example, by increased shrinkage or cracking. The most preferred hydrocarbon substituent contains 18 carbon atoms. Construction workers who sand drywall joint compound are often exposed to high concentrations of dusts, talc, calcite, mica, gypsum, and in some cases, respirable silica. Material BIO-SOFT ® The joint compound was thinned to a viscosity of 200 Brabender units and poured into a 10″ square box at setting zero.  77 Conventional cellulosic thickeners, such as ethylhydroxy ethylcellulose, hydroxypropyl methylcellulose, methylhydoxypropyl cellulose and hydroxyethyl cellulose, are also suitable in the joint compounds of this invention. Two references to O'Connell et al, U.S. Pat. 14.75% STEPANOL ® Propyl Cellulose 4,463,039 and 4,504,602, teach the use of sodium sulfonates as additives to a sprayable acoustical composition to promote foaming. Generally, water is added to the joint compound until the desired viscosity is obtained, depending on the specific application for which it is used. Co. Midland, MI 0.88 [4] Some sanding of the finish coat is usually required to get a smooth surface. The surfactants listed in Table III were evaluated. The bubbles are caused by the inability of moisture to be absorbed into the surface such as when the surface is already painted, has a layer of grease or cigarette smoke, or a drying-type compound applied over a dense, setting-type compound. About 16% of these are Adhesives & Sealants. Although sulfonates are preferred, sulfates sulfuric acids, and sulfonic acids are also useful. [1] Some drywall professionals use setting type mud for the first coat and a drying type for the thinner finish coat. The concept uses arrowhead-shaped pins 3D printed as an integral part of additive manufacturing metal components. This is achieved by mixing with the latex 10-30 p, Filler loaded elastomeric compositions having improved extrudability and physical properties, High molecular weight butadiene-styrene latex can end sealant composition, Process for producing perlite microspheres, Stabilized insulating latex paint composition and method of manufacture, Process for preparing calcined gypsum and gypsum board using ligno sulfonates, Filler-containing molding composition and process for its manufacture, Automatic lid placing apparatus for large plastic lids and method for placing lids, Compositions for preparing inorganic foamed bodies, Ready-mixed, setting-type cementitious composition having separately packaged accelerator, Lightweight joint compound having improved paintability, A thermoplastic resin composition for cleaning, Low shrinkage tape joint composition containing attapulgite, Process for cleaning polymer processing equipment, Clay-free, asbestos-free and glass microbubble-free drying type joint compounds, Method for producing flexible drywall joints, flexible drywall joint compound, Ready mixed setting-type joint compound and method of making same, Aliphatic polyurethane coating composition, Flexible setting joint compound and method for making flexible joints, Ready mixed setting-type joint compound, and method of making same, Engage blend, wall component and relative method and product, Drying-type seam sealant with low water content, Low moisture drying type bonding compound, Cementitious gypsum-containing compositions and materials made therefrom, Joint coating composition for construction elements and method of producing a structure, Butadiene-styrene copolymer-cement composition and method of preparation, Use of vinyl chloride-ethylene copolymers for hydrophobing construction substances, Non-efflorescing cementitious mortar compositions, Dry cement mortar with prolonged open time, Joint compound using predispersed dedusting agents, Redispersible dispersion powder composition, Heat resistant and fire retardant materials and methods for preparing same, Gypsum wallboard, and method of making same, Substantially dry joint compound comprising calcium sulfate, polyvinyl acetate and starch, Redispersible dry composition of polymer finishes or other products for the construction, Polymeric blend useful in thin-bed mortar compositions comprising a water-soluble cellulose ether and a water-insoluble, but water-dispersible polymer, Improved sprayable Portland cement-based fire retardant composition, Hydrophobicizing agents for hydrophobicizing gypsum-plaster-bound construction materials, Spackling composition containing polyaramid fibers and ceramic microparticles, and methods of repair and attachment. Fewer layers of joint compound need be applied to obtain a smooth, monolithic surface. This reference is directed to a sprayable, textured coating and is not useful as a joint compound. A topping compound is soft, smooth and easy to sand. Brand Name: Warner. 2.25% TABLE III It is a dry powder that usually comprises at least about 50% by dry weight of the joint compound composition and generally falls within the range of about 50-95% of the dry weight. Manufacture of the ready mixed joint compound includes combining of wet with dry components in a mixer. The preferred binder, a latex binder, is a liquid, but other binders are available as powders. Various More Buying Choices $13.14 (9 new offers) Editorial recommendations. The dry product must be mixed with potable water in a separate container to form workable mud. Addition of the ligno sulfate increases the flowability of the stucco and reduces the power required to grind it. Sulfonate Specialty Once mixed with water, the setting type must be used before it sets; any leftover is wasted and if not enough is mixed, another batch is needed to finish the job, and all tools must be very clean or the compound may set up prematurely. The acids, sodium or potassium salts of the hydrocarbon substituted sulfates or sulfonates are the preferred compounds. A total of 1850 pounds of water was used. 9.69% Find drywall joint compound at Lowe's today. Moderate After the wet ingredients have been combined, the dry components are mixed in with the wet components in the mixer. Finally, suspending agents are preferably included to keep the heavier components of the composition from settling out. A generic joint compound was evaluated as a control to determine the amount of cracking, cratering and shrinkage when no surfactant additive was added. Discover a range of mortars and admixtures essential for any building site at Toolstation. Once the compound is dry, lightly sand with the sandpaper, and then brush away any residue with the brush or whisk broom. Perlite Materials Inc. Minerals Low density products are also less expensive to ship than their traditional counterparts. It is also contemplated that the present invention will be used with lightweight formulations as well as traditional base joint compounds. BIO-SOFT ® N-411 Hydrocarbon There are mainly three types of premixed joint compounds. 9 In the preferred embodiment, the surfactant is blended with a ready-mix, drying-type joint compound. Attapulgite Clay Some multicomponent soaps lose effectiveness if they are added at the time of manufacture of the joint compound, making it necessary to measure, add and mix in the soap or detergent immediately before use. 12.58% Choice of a cationic portion will, of course, result in a change in the molecular weight of the sulfonate salt. 12.93% 0.29 09/724,736, for a Lightweight Ready-Mix Joint Compound, filed concurrently herewith. Perlite or expanded perlite is preferred when a lightweight filler is desired. Evaluation of test results necessarily balanced the changes in cracking, cratering and shrinkage of each test sample. America Inc. The composition of 6715A is shown in Table I. More specifically, it relates to a joint compound composition including a surfactant additive that reduces shrinkage, increases crack resistance and increases crater resistance in a joint compound, without destroying the ability of the joint compound to bond with substrates or decorative applications such as paint. TABLE IV Exam- The wet materials, including 124.2 pounds of the vinyl acetate polymer, 2.0 pounds each of the biocides and water, were blended in the main mixer. Branched sodium Methyl Hydroxy Both a bactericide and a fungicide are recommended. Another benefit of this composition is a decrease in density when used in a lightweight joint compound. This makes the setting type compounds harder and more time consuming to prepare, but they set quickly. METHOCEL ® WITCONATE This type contains plaster of paris and sets through a chemical hardening process rather than evaporation, which gives it an advantage in filling holes and gaps that would take many days to dry out and have shrinkage cracks using the drying compound. Chemical Corp. 0.25 Any conventional binder that is used in joint compounds may be utilized in this invention. No. Milwhite sulfonate Therefore, for purposes of description herein, the quantity of surfactant additive is calculated on the basis of the sodium salt, and should be recalculated if other than sodium is employed so that the concentration of the anionic portion is the same. When dry (or set), a second coating comprising a topping grade joint compound is applied over the joint. While a particular embodiment of a hydrocarbon substituted sulfate, sulfonate, sulfuric acid or sulfonic acid as a joint compound additive has been shown and described, it will be appreciated by those skilled in the art that changes and modifications may be made thereto without departing from the invention in its broader aspects and as set forth in the following claims. Sulfonate It assists in removing pock marks, reduces shrinkage, and allows for faster joint finishing. 11.75% Moderate None 4,252,568, to Bounini, discloses the addition of an aqueous solution of ligno sulfonates to make healed stucco for use in gypsum slurries to produce gypsum board. 15.24% It is inconvenient to carry the joint compound, the soap or detergent, a measuring device and a mixer, all to a job site, particularly if it is in a remote location. Minor 5 Reduced dust formulas cause the dust particles to clump together falling out of the air sooner than regular formulas, thus reducing airborne dust. sulfonate Powder feeders are optionally used to disperse the suspending agents or thickeners in with the fillers as they are moved to the mixer by conveyor. NOPOCK! ® The ratio of the fillers to the binders are preferably in the range of about 100:1 to about 10:1. 2 N-411 12 1 If the tape is exposed as the result of the sanding, apply a second coat of compound and allow it to dry. However, soap or detergent addition has also been known to cause a number of problems. Co., Inc. There are two type of tapeless setting compound: one is setting compound reinforced by some very strong chemical glues. Dimensions: 64 fluid ounces. 4.5 out of 5 stars 209. BIO-TERGE ® Joint compound additive for reduction of cracking, cratering and shrinkage, Application filed by United States Gypsum Co. The second component of the present invention is a base joint compound. It is generally known that drywall contractors, in applying joint compounds, sometimes add liquid soap to joint compound immediately before application to improve the finished surface of the joint compound. Surfactant The delicate mixture of compounds gives it a creamy texture that spreads easily onto drywall surfaces and then hardens as the moisture evaporates. Walls built to slow the spread of fire are called a firewall and are sometimes built using special fire-resistant drywall. Drying type joint compounds generally include either calcium carbonate or calcium sulfate dihydrate, also known as gypsum or landplaster, as fillers. The flexibility and plastic qualities of joint compound make it a very versatile material both as sealer or finishing coat for wall surfaces, and also in decorative applications that range from machine sprayed texturing to hand-trowelled or even hand-crafted and sculptural finishes. Soap. Area Amazon.co.uk: joint compound Select Your Cookie Preferences We use cookies and similar tools to enhance your shopping experience, to provide our services, understand how customers use our services so we can make improvements, and display ads. Des Plaines, IL. 3 Powdered drying type compounds are available. This lead-free water well formula contains copper flake, graphite, CZ-EX (Jet Lube’s patented extreme pressure additive) and rust and oxidation inhibitors. Sodium Olefin The control sample had a large number of small craters. Stepan Another preferred range is from C16 to C20. Drying type compound becomes firm upon the loss of water by evaporation. A panel with zero cracks was reported as having no cracking. Cratering 121 mixing said dry components and said liquid components to form a homogeneous mixture. 2 Finishing or topping compound which is using for filling and finishing coats. Dow Chemical 1 Description a joint compound comprising a latex binder, a filler, a preservative and a thickener, said filler comprising calcium carbonate or calcium sulfate, wherein said filler and said binder are present in a ratio of from about 100:1 to about 10:1; a surfactant additive consisting essentially of a hydrocarbon substituted sulfonate, wherein said hydrocarbon comprises an alicyclic or an aromatic group, having from 12 to 24 carbon atoms. No. 17.5% The surface of the joint compound made with one of these compounds has fewer flaws, such as cracks or craters. PATENTED CASE. POLYSTEP ® Houston, TX The overall chain length of the hydrocarbon substituent group is variable from about C12 to about C24. Sodium dodecyl benzene sulfonate (“DDBSA”) is the most preferred surfactant additive for several reasons.