283 results about "Plastisol" patented technology

The present invention provides a composite heating element suitable for heating an article when activated by a power source. The composite heating element comprises first and second dielectric layers each having an inner surface and an outer surface. The composite heating element further comprises a conductive layer formed from at least one conductive ink composition comprising a plastisol component and a conductive component. The conductive layer is disposed between the inner surfaces of the first and second dielectric layers and defines a circuit. The composite heating element further comprises an adhesive layer coupled at least one of the outer surfaces of the first and second dielectric layers opposite the conductive layer.

An interactive-design garment which has heat-affixed thereto a flexible substrate formed of a laminate including a layer of plastisol ink which includes a primary graphic image therein of a particular theme and a plurality of flexible PVC sheet appliques which have secondary graphic images thereon and are positionable onto the substrate by a user to cooperate artistically with the graphic theme of said substrate on the garment.

The invention concerns a floor covering produced by coating and comprising a thermoplastic-based structure, in particular plasticized PVC, reinforced with a textile reinforcement, optionally combined with a foam backing and whereof the visible surface consists of a surface coating providing decoration and wear resistance to the product. The invention is characterised in that the back surface designed to be in contact with the floor, consists of a textile web, the bonding between the textile structure and the supporting back surface being produced by means of an additional plastisol layer, which penetrates over a minor part the thickness of the textile structure and which, after gelling, bonds said textile to the thermoplastic substrate back surface.

Plasticizer blends comprise a triblend of diethylene glycol dibenzoate, dipropylene glycol dibenzoate, and 1,2-propylene glycol dibenzoate, in specified ratios, useful in combination with a multitude of thermoplastic polymers, thermosetting polymers, and elastomeric polymers and numerous applications, including but not limited to plastisols, adhesives, sealants, caulks, architectural coatings, industrial coatings, OEM coatings, inks, overprint varnishes, polishes, and the like. The advantages rendered by the use of the triblend depend on the type of polymer and application in which it is utilized and include among other advantages higher solvating power and lower processing time, low VOC's, reduced plasticizer freeze point, improved gelation and fusion characteristics, higher tensile strength, superior stain and extraction resistance, and improved rheology over traditional diblends of diethylene glycol dibenzoate and dipropylene glycol dibenzoate.

A plastisol formulation which can be used for coatings of metal sheets, the coatings having high abrasion resistance, contains a) a plasticizer or mixture of plasticizers; and b) a mixture of polymer particles containing at least two components A and B; c) at least one member selected from the group consisting of fillers, coupling agents, stabilizers, desiccants, rheological additives, hollow bodies and mixtures thereof; wherein the polymer particles containing at least two components A and B have one of the following structures ba) a 2-stage structure, a 3-stage structure or multi-stage structure, or bb) a gradient polymer structure.

Fishing lures constructed with internal strands of high tensile strength fibers (e.g. aramid) bonded to body pieces independent of any associated hooks. The strands are trained in appropriate alignments (e.g. longitudinally, transverse and / or radially) at high wear areas to enhance flexion and minimize tearing, especially at spanned joints. The fibers can be bonded into the body materials or anchored to the body pieces. Several soft plastic (e.g. plastisol and pvc) lures molded with resilient, durable stranded and webbed fibers enhancing durability and defining flexible joints, appendages etc. are disclosed.

C7-C12 secondary alcohol esters of cyclohexanecarboxylic acids are especially useful as plasticizers for PVC and other plasticizable polymers. In embodiments, these plasticizers are useful in plastisol formulations to help improved processability of flexiblePVC material. In other embodiments these same plasticizers can be used in blends with other plasticizers to improve processability. In preferred embodiments these same plasticizers can be used to prepare flexible PVC compounds with enhanced low temperature flexibility, low toxicity, and improved resistance to outdoor aging.

Mixtures of esters produced by reacting a mixture of aromatic and aliphatic monocarboxylic acids with a diol containing from 2 to 12 carbon atoms are effective plasticizers for plastisols containing dispersion grade polymers of vinyl chloride. The freezing point of the present ester mixtures and their efficacy as plasticizers can be varied by adjusting the type and relative concentration of the aliphatic acid used to prepare the plasticizer. The ester mixtures can also be used as plasticizers for other organic polymers.

A textured and printed membrane has an embossed top layer with a protective coating, a fabric layer, a printed bottom layer with a protective coating, where the layers are adhered with a PVC plastisol. The printing pattern matches the embossing, such that the membrane has the appearance of cloth on both sides. The textured vinyl membrane composite has a thickness of from 10 to 35 mils. The membrane can be fitted on an awning to display illuminated (white / opaque) graphics (lettering or design). The top layer is preferably compounded PVC formulated with a colorant. The bottom layer is also PVC, typically formulated with a flame retardant package, such as antimony trioxide or brominated compounds, aluminum trihydrate, magnesium hydroxide, and the like to suppress the spread of an ignited flame. Both top and bottom layers can have heat stabilizers and lubricants to improve processing of the PVC.

A method of forming a glove having improved fingertip puncture resistance is disclosed. The method includes providing a glove former, the former pivotably attached to a chain assembly, dipping the former into a plastisol in a first position, the position being substantially vertical, removing the former from the plastisol, pivoting the former to a second position, the second position forming an angle less than 90 degrees with respect to the first position, and maintaining the former at the second position until the plastisol forms a gel on the former.

Acrylic polymer fine particles which comprise primary particles P of 250 nm or more in average particle diameter having a core shell structure and plastisols prepared using the same. In the fine particles, a core polymer C and a shell polymer S are copolymers of the following monomer mixtures Mc and Ms, respectively, and the weight ratio of Mc and Ms is 10 / 90-90 / 10: Mc: methyl methacrylate 20-85 mol % (meth)acrylic ester of C2-C8 aliphatic alcohol and / or aromatic alcohol 15-80 mol % other copolymerizable monomers not more than 30 mol %; , when the total amount of these monomers is 100 mol %; Ms: methyl methacrylate 20-79.5 mol % (meth)acrylic ester of C2-C8 aliphatic alcohol and / or aromatic alcohol 5-40 mol % a monomer containing carboxyl group or sulfonic acid group 0.5-10 mol % other copolymerizable monomers not more than 30 mol %.

Monoesters derived from a dihydric alcohol and a carboxylic acid such as benzoic acid are secondary plasticizers for non-aqueous and solventless plastisols containing primary plasticizers that do not contain unreacted alkanol groups.

The invention belongs to the technical field of polymer materials processing, which particularly relates to a method for producing biological fully-degradable environmental-friendly hot melt adhesive. Biological fully-degradable environmental-friendly hot melt adhesive is manufactured through modifying cornstarch and a process technique which is squeezed through blending. The method comprises the following steps: mixing and adding cornstarch and plasticizing agent, obstructing agent, reinforcing agent, lubricating agent and filling material in a stirrer according to proportion, stirring under 80 DEG C and 1000-3000rpm, preparing modified fecula, utilizing a double screw extrusion machine to blend and extrude after modified fecula, biodegradable polyester, plastisol, viscosity modifier, plasticizing agent, antioxidant and filling material are mixed, wherein the temperature of an extrusion machine is 100-180 DEG C, and number of revolution of a screw bolt is 40-200rpm, wherein modified fecula is 40-60%, biodegradable polyester is 0-30%, plastisol is 20-30%, viscosity modifier is 5-10%, plasticizing agent is 0-10%, antioxidant is 0.5-1%, and filling material is 0-10%. Hot melt adhesive which is got by the invention has the advantages of excellent compatibility, uniform products, low production cost, excellent initial viscosity and fully-degradable biology, which can be widely used in the fields such as cartons, unsewn binding of books, nonwoven manufacture and the like.

Methods and apparatus for producing high quality closed cell foams for use in applications such as coatings, sealant beads, seam filling and gaskets is provided. A two-stage mixing unit, having a static mixing stage comprising a static mixer having a plurality of mixing elements followed immediately by a second dynamic stage such as a dynamic gear pump or disc mixer is used to homogeneously disperse a gas throughout a highly viscous liquid polymeric material such as a plastisol, silicone, butyl or urethane based materials.

A multi-purpose reduced motion and anti-slip pad which is particularly suitable for substantially immobilizing a workstock as a tool is applied to the workstock. In a preferred embodiment the pad is constructed of vinyl plastisol and is characterized by a flexible, durable sheet having multiple, resilient, spaced-apart nodules of selected size and cross-sectional configuration extending from the sheet typically in multiple parallel, diagonal rows. Each of the nodules typically has a flat top surface, and multiple nodules contact and substantially immobilize the workstock as the workstock rests on the pad. In one embodiment, the parallel diagonal rows of the nodules are arranged in columns, with adjacent, parallel columns of nodules separated by a clear lane characterized by an absence of nodules on the sheet and on which a cylindrical workstock can be placed and immobilized. In another embodiment, the diagonal rows of nodules define a continuous field of the nodules on the sheet. In still another embodiment, the nodules are smaller and more numerous to facilitate immobilizing smaller workstocks on the pad.

An orthotic device for absorption of heel shock, treating edema and swelling and for lessening pain. It is comprised of an elastic sleeve adapted to fit over the foot and heel of a person. The sleeve includes a shock absorbing heel pad inside of the sleeve in a position to be disposed under the heel when the sleeve is worn around the heel. The sleeve is of elastomeric material providing compression to treat edema and swelling. The pad may be a polymeric plastisol material which can be cooled to provide cold therapy and positioned under the heel to provide cushioning and shock absorption.

The invention relates to a low-temperature plasticization PVC plastisol which can effectively reduce the plasticization temperature of PVC plastisol and ensure the adhesive force of the PVC plastisol on an electrophoretic paint plate; the components of the low-temperature plasticization PVC plastisol comprise a plasticizer, PVC resin paste, chloride vinyl acetate copolymer, a heat stabilizer, nano activated calcium carbonate, a thixotropic agent, a low molecular polyamide resin, a viscosity depressant and a pigment; the PVC plastisol is characterized in that: the components of the PVC plastisol also comprise a closed polyurethane prepolymer, wherein, polymethylene polyisocyanate and polyol are polymerized to obtain quasi-prepolymer with an end group of -NCO, and the end of the quasi-prepolymer is sealed by a sealing agent to obtain the closed polyurethane prepolymer. The preparation method of the low-temperature plasticization PVC plastisol comprises the steps: the closed polyurethane prepolymer and the low molecular polyamide resin are added into the plasticizer and evenly dispersed in the plasticizer, and then other components are added into the plasticizer and evenly dispersed in the plasticizer to obtain an evenly-dispersed material which is put into a double shaft agitator and agitated for 30min; vacuumizing is carried out while blending the material until the degree of vacuum is degree of vacuum, and then the material is placed for 24h at a normal temperature for the curing of the PVC plastisol and finally filtered.

C4-C7 secondary aliphatic alcohol esters of cyclohexanediacid are especially useful as plasticizers for PVC. In embodiments, these fast fusing plasticizers are useful in plastisol formulations to help improve the processability of flexible PVC material. In preferred embodiments these same plasticizers can be used in blends with other plasticizers, especially slower fusing plasticizers or plasticizers with reduced solvency, such as di-2-propylheptyl phthalate or di-isononyl cyclohexanedicarboxylic acid, to improve processability.

The invention discloses a functional PVC plastisol used by powderless PVC gloves and the application of the plastisol, belonging to the technical field of the PVC gloves; to solve the problems of low production efficiency and bad dressing effect of present powderless PVC gloves, the functional PVC plastisol is made from benzene inner resin particles which are modified by PVC emulsification powder, primary plasticizers, secondary plasticizers, viscosity depressants, stabilizing agents and polysiloxane, uniformly mixed and treated with vacuum defoamation; a preheated hand die is gelled to form a film after going through digestion and roast in the ordinary PVC plastisol, then is gelled to form a film by digestion and roast in the functional PVC plastisol of the invention and then the powderless gloves with good dressing effect and no self conglutination are obtained by edge turning and parting.

The present invention provides a composite heating element suitable for heating an article when activated by a power source. The composite heating element comprises first and second dielectric layers each having an inner surface and an outer surface. The composite heating element further comprises a conductive layer formed from at least one conductive ink composition comprising a plastisol component and a conductive component. The conductive layer is disposed between the inner surfaces of the first and second dielectric layers and defines a circuit. The composite heating element further comprises an adhesive layer coupled at least one of the outer surfaces of the first and second dielectric layers opposite the conductive layer.

A pultrusion machine for forming a laminated composite with a predetermined profile and the product obtained. The apparatus comprises at least two spools for supplying elongated reinforcements. A collator receives the elongated reinforcements and arranges the reinforcements in layered relationship to form a layered elongated bundle. A supply member wets the layered elongated bundle with plastisol to form a wetted elongated bundle. The wetted elongated bundle is transported through a pultrusion die wherein the wetted layered bundle is molded into the predetermined profile. A converting apparatus cures, or converts, the wetted layered bundle into the layered composite. A particularly preferred embodiment is an extrusion comprising a reinforcing material wherein said reinforcing material comprises a fiber reinforced plastisol.

The invention provides nano calcium carbonate with surface modification and polyvinyl chloride plastic sol thereof. Calcium oxide and carbon dioxide gas are used as raw material to synthesize the nano calcium carbonate; and after carbonizing reaction, the nano calcium carbonate is further subjected to surface modification treatment by taking carboxyl end group amilan polyamide resin as surface modifier, wherein the resin is prepared by condensation of fatty group polyprotic acid and fatty group polybasic amine, and the acid value is controlled between 50 and 500mgKOH / g. The invention also provides the polyvinyl chloride plastic sol added with the nano calcium carbonate, which comprises the following components by weight percentage: 10 to 25 percent of polyvinyl chloride resin, 0.2 to 5 percent of stabilizer, 20 to 45 percent of plasticizer, 0.2 to 8 percent of drying agent, 20 to 50 percent of common calcium carbonate filler, and 10 to 40 percent of nano calcium carbonate. Compared with the prior plastic sol, the polyvinyl chloride plastic sol, after solidification by a coating film, greatly improves impact resistance, and has good, anti-sag performance and adhesive force to electrophoresis of the polyvinyl chloride plastic sol.

The shelf liner is a multi-layered thermoplastic composite sheet of consistent thickness, with a non-slip bottom side and a decorative top side. A decorative top sheet is fused to a top surface of a substrate layer. The substrate layer comprises a nonwoven fabric or material that is coated on both sides, and can be fully impregnated, with a foamed plasticized polyvinyl chloride. The foamed plasticized polyvinyl chloride coating on the bottom side of the substrate layer gives the shelf liner a non-slip characteristic. An interlayer of polyvinyl chloride plastisol is disposed between the top sheet and the substrate to enhance the fused bonding of the layers. A bottom surface of the substrate layer may be fully or partly covered with a bottom coating to modify the non-slip nature of the shelf liner.

A process for making a textured coating on a substrate and compositions for such coatings are disclosed wherein coating mixtures comprising un-expanded micro-capsules and a plastisol or other suitable resins are applied to the substrate and subsequently heat treated to expand the micro-capsules within the coating. The expanded micro-capsules create an aesthetically pleasing surface texture in the coating while retaining the desired wear-resistant properties of the coating.

The invention discloses a surface treatment method of nano-calcium carbonate used for polyvinyl chloride plastisol. The surface treatment method comprises the following steps: adding nano-calcium carbonate serous fluid into a reaction kettle, wherein the specific surface area (BET) of nano-calcium carbonate in the serous fluid is 18.0-60.0m<2> / g and the pH of the nano-calcium carbonate serous fluid is 8.5-9.5; heating to 70-95 DEG C, stirring, adding a mixed modifier accounting for 1.8-6.0% of the mass of the nano-calcium carbonate in the serous fluid, continuing stirring for 30-180 minutes, thus completing surface treatment. The mixed modifier is a mixture of stearic acid alkali metal saponified matter and calcium stearate, the mass ratio of fatty acid to calcium stearate in the complex modifier is 20-70%, and the proportion of the using quantity of the fatty acid to a saponifier is 1: 1. According to the method, the fatty acid is saponified by a strong base, so that the shortcoming that the fatty acid is difficult to react with the surface of calcium carbonate in water to generate the calcium stearate during wet process surface modification of the nano-calcium carbonate can be overcome; and the calcium stearate is directly introduced through fatty acid saponification liquor, so that a significant surface modification effect is obtained. The method has the advantages that raw materials are low in price and easy to obtain, the processes are simple and feasible, and the quality of a product is state. The method has significant economic benefits and social benefits.

Plastic building panels for exterior use on buildings are made by forming a plastic sheet at an elevated temperature, overlaying an exterior surface portion of the formed sheet with a coloring sheet having a preselected color, and thermally bonding the coloring sheet to the formed sheet. The coloring sheet may comprise a vinyl resin plastisol and pigment particles. Both the formed sheet and the vinyl resin in the plastisol may comprise polyvinyl chloride (PVC). The coloring sheet can be configured with a matte surface substantially without the use of flattening agents, and an adhesion system can be used to augment the lamination between the coloring sheet and the plastic sheet. The coloring sheet can also be configured to have a predetermined pattern, such as may be provided with a plurality of coloring materials having multiple colors.