275 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.

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.

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 flexible

PVC 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.

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.

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.

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.