691 results about "Polyvinylidene chloride" patented technology

A syringe for use in a pressurized injection of a fluid includes a syringe barrel including a polymeric material having undergone expansion via blow molding. An inner diameter of the syringe barrel can, for example, be sufficiently constant (over at least a portion of the axial length of the syringe) that a plunger slidably positioned within the syringe barrel and in generally sealing contact with an inner wall of the syringe barrel can be used within the syringe barrel to generate a pressure of at least 1 psi within the syringe barrel. In several embodiment, the inner diameter of the syringe barrel is sufficiently constant to generate a pressure of at least 100 psi, at least 300 psi, or even at least 500 psi within the syringe barrel. A method of forming a syringe includes the steps of: injection molding at least one polymeric material to form a preform; placing the preform into an blow mold die; and expanding at least a portion of the preform while heating the preform within the die to form a barrel of the syringe. The syringes can be formed to withstand relatively high pressures as described above. The at least one polymeric material can, for example, be polyethyleneterephthalate, cyclic olefin polymer, polypropylene, polystyrene, polyvinylidene chloride, polyethylene napthalate and/or nylon.

The present invention generally relates to a barrier coating composition for application to a thermoplastic film comprising (a) a nano-clay additive in an amount from about 1 wt % to 50 wt % of said barrier coating, wherein said nano-clay additive comprises untreated nano-clay platelets; and (b) a base coating in an amount from about 50 wt % to 99 wt % of said barrier coating, wherein said base coating comprises a polymer selected from the group consisting of polyvinylidene chloride (PVdC), poly(vinyl)alcohol (PVOH), ethylene vinyl alcohol (EVOH), acrylate copolymers and mixtures thereof.

Recyclable and repulpable coated paper stock, preferably for use as ream wrap, comprising a substrate coated on at least one surface with a base coat and at least one additional coat over said base coat. Both coats are water based dispersions of a polymer selected from the group consisting of acrylic polymers, acrylic copolymers, polyvinyl acetate, polyvinyl alcohol, ethylene-vinyl acetate, polyvinyl chloride, styrene butadiene copolymers, polyvinylidiene chloride and its copolymers, or starch. The wax free coating forms a pin-hole free continuous film on the substrate which is resistant to water and water vapor. The invention also includes processes for making and recycling the invented coated paper stocks.

The invention discloses a mildewproof preservative film and a preparation method thereof. The mildewproof preservative film comprises a base layer and a mildewproof preservative coating arranged on the base layer, wherein the mildewproof preservative coating is prepared from a mildewproof preservative paint. The mildewproof preservative paint comprises the following components in percentage by weight: 20-60% of resin, 30-70% of solvent, 0.5-10% of mildew preventive and 0.3-5% of aid. The resin is composed of at least one of polyurethane, an acrylate copolymer, polyvinyl alcohol, polyvinylidene chloride, modified polyvinylidene chloride, an ethylene-vinyl acetate copolymer, a polyvinyl acetate copolymer and a vinyl acetate-butyl ester copolymer; and the solvent is composed of at least one of water and ethanol. The mildewproof preservative coating of the mildewproof preservative film has the advantages of compact surface and no void; and by adding the mildew preventive, the mildewproof preservative coating has the favorable effects of keeping the moisture constant and preventing mildewing. The mildewproof preservative film is especially suitable for preserving fruits, bread, tobacco and other foods which have shorter storage period, can easily mildew in a short time and need to be eaten in time.

Consuming water with increased hydrogen content can provide clinical benefits to humans and animals through a non-mitochondria alternative cellular energy (ACE) pathway and also as an antioxidant. This application discloses that the hydrogen content of drinking water can be safely increased by placing into the water a hydrogen generating device, such as a mixture of metallic magnesium and EH-101 (HB-101) containing solution, whereby the device allows for the selective passage of the generated hydrogen but restricts the passage of magnesium and EH-101 (HB-101) components. This partitioning of hydrogen from EH-101 (HB-101) components is achieved by using either reverse osmosis membrane, low density plastic material such as polyvinylidene chloride (PVDC or Saran), or low molecular weight cutoff dialysis membrane to create a sealed container of the magnesium and magnesium chloride, that can be placed into drinkable water. The EH-101 (HB-101) can be initially placed into a breakable inner compartment within the hydrogen permeable container. This compartment can be easily broken by simple squeezing just prior to placing the device into the water that is intended to have its hydrogen content increased. The increased hydrogen content can be assessed by the capacity of the water to decolorize a potassium permanganate test sample.

A spray latex foam for filling wall cavities to enhance the sealing and insulating properties of a building is provided. The spray latex foam includes a latex system and a gaseous coagulating component. In at least one exemplary embodiment, carbon dioxide is included as a gaseous coagulating agent. One latex suitable for use in the spray foam is polyvinylidene chloride (PVDC), which possesses fire retardancy and environmental durability. However, a preferred latex is styrene-butadiene rubber (SBR). The latex system may also include a thixotropic agent, such as Laponite® RD synthetic clay. The spray latex foam is polyurethane-free. A method of preparing a spray latex foam that includes supplying a latex system and adding a gaseous coagulating component to the latex system is also provided.

The present invention relates to a plastic film, which is particularly suitable for chub packaging. The film according to the present invention contains: a. at least one sealing layer, having at least one member of the group consisting of low density polyethylene, linear low density polyethylene, ethylene ester copolymers, ethylene alpha olefin copolymers, polypropylene copolymers or homopolymers, very low density polyethylene, polybutylene, styrene based copolymers, ionomers and ethylene methacrylic acid copolymers; b. at least one barrier layer, comprising polyvinylidene chloride polymers; c. at least one intermediate layer, comprising ethylene ester copolymers, ethylene ester polymers, chemically modified polyethylenes and/or chemically modified polypropylenes.

The invention discloses a polyvinyl dichloride (PVDC) latex used for interior and exterior wall coating materials and a preparation method thereof and application thereof. The PVDC latex is obtained by a mixed monomer, an auxiliary, an initiating agent and an emulsifying agent through a once polymerization method, wherein the mixed monomer contains a certain amount of vinylidene chloride, vinyl chloride and acrylic ester, and the emulsifying agent contains sodium dodecyl benzene sulfonate and OP-10 or OP-4. The PVDC latex enables a system to be stable, and is free of emulsification breaking and sediment after placed for 24 months under temperature of 30 DEG C and relative humidity (RH) of 70%, and free of damage by calcium and magnesium in use. The interior and exterior wall coating materials obtained by the PVDC latex have the advantages of being environment-friendly, waterproof, damp proof (mildew resistant), coincident with the V-0 grade of the underwriters laboratories (UL) 94 standard in fire resistance, and the like.

The invention provides a mildew-proof preservative paper and a preparation method and a preparation device thereof. The preparation device comprises a paper-based layer, a decorative coating and a mildew-proof preservative coating, wherein the mildew-proof preservative coating is arranged one surface of the paper-based layer, the decorative coating is arranged on the other surface of the paper-based layer, the mildew-proof preservative coating is made from a mildew-proof preservative coating raw material and is prepared from, by weight, 20%-60% of resin, 30%-70% of solvent, 0.5%-10% of mildew preventive and 0.3%-5% of additive, the resin is at least one of polyurethane resin, acrylic ester copolymer, polyvinyl alcohol, polyvinylidene chloride, modified polyethylene vinylidene chloride, vinyl-vinyl acetate copolymer, polyvinyl acetate copolymer and vinyl acetate-butyl copolymer, and the solvent is at least one of water and ethanol. The surface of the obtained mildew-proof preservative coating is dense and provided with small pores, the mildew-proof preservative coating has the good effect keeping moisture constant, the mildew preventive is dispersed inside resin, mildewing can be also prevented, and further a good preservation effect is reached.

A particulate form carbon pyrolyzate adsorbent, having the following characteristics: (a) CO₂ capacity greater than 105 cc/gram at one bar pressure and temperature of 273° Kelvin; (b) CO₂ Working Capacity greater than 7.0 weight percent; (c) CO₂ heats of adsorption and desorption each of which is in a range of from 10 to 50 kJ/mole; and (d) a CO₂/N₂ Henry's Law Separation Factor greater than 5. The carbon pyrolyzate material can be formed from a polyvinylidene chloride-based polymer or copolymer, or other suitable resin material, to provide an adsorbent that is useful for carbon dioxide capture applications, e.g., in treatment of flue gases from coal-fired power generation plants.

A polymeric film includes at least one layer, the at least one layer including a polyvinylidene chloride layered silicate nanocomposite composition, the composition including 100 parts, by weight of the composition, of a polyvinylidene chloride layered silicate nanocomposite; from 0.1 to 10 parts, by weight of the composition, of a stabilizer; and from 0.1 to 10 parts, by weight of the composition, of a polymeric processing aid. Alternatively, a polymeric film includes at least one layer, the at least one layer including a polyvinylidene chloride layered silicate nanocomposite composition, the composition including 100 parts, by weight of the composition, of a polyvinylidene chloride layered silicate nanocomposite; and from 0.1 to 10 parts, by weight of the composition, of a soap of a fatty acid. A blister pack can be made from either film.

Reusable sleeve closures comprising a flexible thin sleeve of film grade plastic which seals the nozzle of a partially used sealant, mastic or caulk-dispensing cartridge or squeeze tube to substantially retard the hardening of the remaining tube contents. The plastic film provides a vapor barrier against exit of water or organic solvent from the sealant composition, and/or retards diffusion of oxygen that could cause the composition to set. The film is preferably somewhat stretchable and without creep over time, so that the sleeve provides an extremely tight seal for a substantial distance along the nozzle, e.g. film grade polyolefin or polyvinylidene chloride copolymer plastic film. The sleeve length is preferably long enough to provide a head space for a visual and tactile indicator of content condition. Sleeves may be packaged with the cartridge, or provided after-market. A 4-mil film polyolefin sleeve preserves water-based acrylic caulk over 9 months.

A process comprises depolymerizing, with 1,4-butane diol, a first polymer comprising a polyethylene terephthalate component in the presence of at least one second polymer selected from the group consisting of polyvinyl chlorides, polyvinylidene chlorides, polyamides, polylactic acid, and combinations thereof to produce a molten mixture; and polymerizing the molten mixture under conditions sufficient to form a modified polybutylene terephthalate copolymer. The modified PBT comprises (a) at least one polyethylene terephthalate component residue, and (b) a member selected from the group consisting of (i) the at least one second polymer selected from the group consisting of polyvinyl chlorides, polyvinylidene chlorides, polyamides, polylactic acid, and combinations thereof; (ii) the at least one residue derived from the second polymer; and (iii) combinations thereof.

The invention relates to a power cable insulating layer material and a preparing method thereof. The material comprises, by weight, 70 parts of polyvinyl chloride, 3 parts of ethylene-vinyl acetate copolymer, 10 parts of polyvinylidene chloride, 10 parts of methyl vinyl silicone rubber, 15 parts of GNA type chloroprene rubber, 5-6 parts of epoxy fatty acid essien ester, 1 part of barium stearate, 10 parts of aluminum hydroxide, 5 parts of compatilizer, 8-10 parts of fire resistant systems and 0.1 part of antioxygen. The prepared fire resistant cable material is obvious in synergistic effect, good in antioxidant effect, high in stability and obvious in fire resistant effect, and has wide application prospects.

The invention relates to a liquid packaging composite film which comprises a film layer, a coating layer and a bonding layer, wherein the film layer and the coating layer are used as base materials; the bonding layer is arranged between the film layer and the coating layer; the coating layer is a polyvinylidene chloride copolymer layer or a polyvinyl alcohol layer; the polyvinylidene chloride copolymer layer comprises polyvinylidene chloride copolymers; and the polyvinyl alcohol layer comprises a polyvinyl alcohol dispersion system. The manufacturing method of the liquid packaging composite film comprises the following steps: treating the base material film by corona discharge; coating the bonding layer on the base material film which is treated by corona discharge, and drying and coolingthe bonding layer; coating the polyvinylidene chloride copolymer dispersion system or the polyvinyl alcohol dispersed system on the base material film which is coated with the bonding layer; and then,drying and cooling the coating layer. The liquid packaging composite film has the characteristics of good barrier property, high firmness of the coating layer and long service life.

The invention relates to a novel coated film and the producing method thereof. And it is a VMPET coated film, produced by coating PVDC, PVOH and AC as main raw materials on VMPET.

Provided is a surface-stabilized anode active material particulate (for use in a lithium battery), comprising: (a) one or a plurality of prelithiated or un-prelithiated anode active material particles (with or without a coating of carbon, graphene, or ion-conducting polymer); (b) a protecting polymer layer that wraps around, embraces or encapsulates the one or plurality of anode active material particles, wherein the protecting polymer layer has a thickness from 0.5 nm to 5 μm, and a lithium ion conductivity from 10⁻⁸ S/cm to 5×10⁻² S/cm at room temperature and the protecting polymer layer contains a polymer selected from poly(ethylene oxide) (PEO), polypropylene oxide (PPO), poly(acrylonitrile) (PAN), poly(methyl methacrylate) (PMMA), poly(vinylidene fluoride) (PVdF), poly bis-methoxy ethoxyethoxide-phosphazene, polyvinyl chloride, poly(vinylidene chloride), polydimethylsiloxane, poly(vinylidene fluoride)-hexafluoropropylene (PVDF-HFP), polyethylene glycol (PEG), a PEG derivative, polyethylene glycol methyl ether, polyethylene glycol dimethyl ether, a sulfonated polymer, or a combination thereof.

The invention provides an article comprising a first layer and a second layer, and wherein the first layer is formed from a first composition comprising an ethylene/α-olefin/diene interpolymer, an isoprene rubber (synthetic), a natural rubber, a butadiene rubber, a styrene butadiene rubber, a chloroprene rubber, a nitrile rubber, a hydrogenated nitrile rubber, a chlorinated polyethylene, a chlorosulfonated polyethylene, an ethylene/propylene rubber, an ethylene/diene copolymer, a fluoro rubber, a polyurethane, a silicone rubber, or a combination thereof; and wherein the second layer is formed from a second composition comprising a butyl rubber, a halobutyl rubber, polyvinylidene chloride, a brominated polymer derived from a copolymer of isobutylene and p-methyl styrene, a nitrile rubber, a chloroprene rubber, a chlorosulfonated polyethylene, a chlorinated polyethylene, a polyurethane, a fluoro rubber, or a combination thereof.

Consuming water with increased hydrogen content can provide clinical benefits to humans and animals through a non-mitochondria alternative cellular energy (ACE) pathway and also as an antioxidant. This application discloses that the hydrogen content of drinking water can be safely increased by placing into the water a hydrogen generating device, such as a mixture of metallic magnesium and magnesium chloride containing solution, whereby the device allows for the selective passage of the generated hydrogen but restricts the passage of magnesium and magnesium ions. This partitioning of hydrogen from magnesium ions is achieved by using either reverse osmosis membrane or low density plastic material such as polyvinylidene chloride (PVDC or Saran), to create a sealed container of the magnesium and magnesium chloride, that can be placed into drinkable water. The magnesium chloride can be initially placed into a breakable inner compartment within the hydrogen permeable container. This compartment can be easily broken by simple squeezing just prior to placing the device into the water that is intended to have its hydrogen content increased. The increased hydrogen content can be assessed by the capacity of the water to decolorize a potassium permanganate test sample.

The present invention relates to an application method of aqueous polyurethane. It is mainly used as primer coating layer in coated film production using BOPP, PET and nylon film as base material and using polyvinyl dichloride (PVDC), modified polyvinyl alcohol (PVOH) and various acrylic acids (AC) as coating material.

The invention relates to an electrode pole plate, an electrochemical device and a safety coating layer. The electrode pole plate comprises a current collector, an electrode active material and the safety coating layer, wherein the safety coating layer is arranged between the current collector and the electrode active material layer and comprises a polyvinylidene fluoride and/or polyvinylidene chloride macromolecular substrate, a conductive material and an inorganic filler. A circuit can be rapidly cut off by the electrode pole plate when the electrochemical device (such as a capacitor, a primary battery or a secondary battery) is in a high-temperature condition or internal short-circuit occurs, so that the high-temperature safety of the electrochemical device is improved.

A quantum dot light diffusion film comprises a transparent base material layer and a light diffusion layer composited on one face of the transparent base material layer. The light diffusion layer is a polyvinylidene chloride layer. Quantum dots and light diffusion particles are distributed on the polyvinylidene chloride layer. The transparent base material layer is coated with the quantum dot light diffusion layer. The quantum dot light diffusion layer comprises high-barrier-property polyvinylidene chloride, namely, PVDC matrix resin and quantum dots dispersed in a matrix. The quantum dot diffusion layer further comprises light diffusion particles which are evenly dispersed in the matrix resin, oxygen, moisture and the like are thoroughly isolated from the quantum dots through the high-barrier-property resin, and therefore the service life of the quantum dot light diffusion film is ensured.