1140results about How to "Low haze" patented technology

Disclosed are stabilized aliphatic polyester compositions comprising an aliphatic polyester, a HALS, and a tris-aryl-S-triazine UV absorber that show low embrittlement, haze formation, and discoloration during weathering. Also disclosed are aliphatic polyester compositions comprising aliphatic polyester, a hindered amine light stabilizer, a triazine UV absorber, and a phosphite that exhibit low color prior to weathering but retain good clarity, color, and excellent impact strength after exposure to weathering conditions. The aliphatic polyester compositions may be used prepare shaped articles such as, for example, films, sheets, bottles, tubes, profiles, fibers, and molded articles.

The present invention relates to a composition comprising a polyester, a copolyester ether and an oxidation catalyst, wherein the copolyester ether comprises a polyether segment comprising poly(tetramethylene-co-alkylene ether). The composition has oxygen scavenging properties and produces articles having low haze. Other embodiments of the present invention disclosed herein are articles made from the composition and methods to make such articles.

A process and composition for MBS modifiers having (A) a rubbery core, (B) an inner graft stage comprised mainly of a hard polymer, (C) an intermediate sealer stage comprised mainly of an alkyl acrylate monomer and / or a polyunsaturated crosslinker, and (D) an outer shell to provide compatibility of the core-shell polymer with the matrix polymer, is disclosed. A process for preparing MBS impact modifiers having suprisingly improved impact performance in matrix polymers is also disclosed. Articles prepared from blends of matrix polymers and the MBS core-shell polymers described herein are also disclosed.

The present invention relates to a process for the proteolytic hydrolysis of a peptide or a polypeptide, said peptide or polypeptide comprising 4 to 40, preferably 5 to 35, amino acid residues and said peptide or polypeptide is not hydrolysable by subtilisin whereby said peptide or polypeptide is hydrolysed by a proline specific endo protease at a pH of 6.5 or lower, preferably 5.5 or lower and more preferably 5.0 or lower to hydrolyse said peptide or polypeptide.

A method of making a microstructured adhesive article that includes (a) providing an article comprising a crosslinked pressure sensitive adhesive layer disposed on a backing; and (b) embossing the surface of the crosslinked pressure sensitive adhesive layer to form a crosslinked pressure sensitive adhesive layer having a microstructured adhesive surface.

This invention relates to a film comprising a machine direction oriented polymeric film prepared from (A) at least one propylene homopolymer or copolymer or lend of two or more thereof, wherein (A) has a melt flow rate from about 6 to about 30 and (B) an olefin elastomer having a melt flow rate of 0.5 to 10. In one embodiment, the film also contains a nucleating agent. In one embodiment, these films are clear. The films have good stiffness and clarity with low haze. These films are useful in preparing labels and may be used as a monolayer film or in a multilayer film. In one embodiment, the films are printable. Die-cut labels are also described which comprise a composite comprising the extruded, machine-direction oriented polypropylene copolymer films of the present invention in combination with an adhesive associated with said copolymer films for adhering said label to a substrate. Multilayer composites also are described which comprise a label facestock material comprising an extruded oriented multilayer film of the present invention, an adhesive layer associated with said facestock material, and a release-coated liner or carrier. Combinations of the labels of the present invention joined with layer of adhesive to a substrate such as glass bottles also are described.

Polymer compositions, single layer films and multiple layer films, where the composition and / or a layer of a film has base polymer of either amorphous nylon or EVOH, and a modifying semi-crystalline nylon component. Where the base polymer is amorphous nylon, the modifying nylon composition includes a first relatively lower melting temperature nylon, and typically a second relatively higher melting temperature nylon. Where the base polymer is EVOH, the modifying semi-crystalline nylon composition can optionally be defined completely by the relatively lower melting temperature nylon, which has a melting temperature less than 170 degrees C. Blends of disclosed amounts of amorphous nylon or EVOH with the semi-crystalline nylon component can be used to produce films which can be uniaxially oriented or biaxially oriented to provide shrink capacities of at least 28 percent, and up to about 57 percent or more.

Provided are multilayer laminates having one or more layers comprising twisted nematic liquid crystals and one or more layers of a polymeric sheet comprising a polymer with a modulus of 20,000 psi (138 MPa) or less. The twisted nematic liquid crystal layers reflect infrared radiation. Thus, the multilayer laminates are useful to reduce the transmission of infrared energy. For example, in some embodiments the multilayer laminates are useful as windows to reduce energy consumption necessary to cool the interior of a structure such as an automobile or building. Preferably, the multilayer laminates retain the beneficial properties of safety glass. The multilayer laminates may include additional layers such as infrared absorbing layers, half wave plates, and the like, to minimize the transmission of infrared energy. The multilayer laminates may also include further additional layers such as polymeric films, polymeric sheets, rigid sheets, and the like.

A method to operate a display screen D in at least two operating modes, B1 for a free viewing mode and B2 for a restricted viewing mode, comprising the following steps: arrangement of a switchable optical element immediately in front of a display screen as seen in a viewer's viewing direction, the said optical element ensuring switching between the at least two operating modes B1 and B2, presentation of an image content on the display screen, wherein the optical element contains a multitude of louvers, and wherein the optical effect of the louvers can be changed between transparent (B1) and luminous (B2) due to the fact that at least every twentieth louver contains triggerable layers that can be switched to be either transparent or brightly self-luminous.

A light source comprising sidelight type backlight light guide plate (L), wherein a transmittance angle dependent layer (T1) which transmits normally incident light and reflects obliquely incident light is disposed on one surface of the sidelight type backlight light guide plate (L), and a reflection plate (R) having a repetitive slope structure is disposed on the other surface of the sidelight type backlight light guide plate (L). The invention light source is less in absorption loss due to repetition of light reflection and the like.

An inkjet ink set comprising a cyan ink, a magenta ink and a yellow ink, wherein each of said cyan, magenta and yellow inks individually comprises at least 65% water, between 1% and 5% by weight of a dispersed pigment colorant, a surfactant that reduces static surface tension, a dynamic surface tension reducing agent distinct from the surfactant, and at least one humectant distinct from the surfactant and the dynamic surface tension reducing agent; wherein said surfactant, said dynamic surface tension reducing agent and said humectant can be the same or different between said cyan, magenta and yellow inks; and wherein each of said cyan, magenta and yellow inks is characterized by exhibiting a viscosity normalized dynamic surface tension at surface refresh ages of 0.01 s of less than 23.0 mN / (m*cP); and wherein the average viscosity normalized dynamic surface tension at a surface refresh age of 0.01 s for said cyan, magenta and yellow inks taken together is less than 22.0 mN / (m*cP).

The invention provides a low-haze transparent conductive film and a preparation method thereof. The low-haze transparent conductive film comprises a transparent substrate layer, wherein the transparent substrate layer is coated with a super hydrophilic coating formed by a super hydrophilic coating material, the super hydrophilic layer is coated with a transparent conductive layer formed by a conductive ink composition, and the wetting angle of water at the surface of the super hydrophilic coating is less than or equal to 5 degrees. After the super hydrophilic coating is coated, the light transmittance of the substrate is improved, the haze is reduced, an adhesive force between the transparent conductive layer and the substrate is enhanced, and the oxygen permeability of the transparent substrate is also reduced at the same time. By adopting the technical scheme provided by the invention, the total haze of the ultimately acquired transparent conductive film is reduced by 40% compared with that before super hydrophilic processing under the condition of keeping the conductivity to be unchanged, the light transmittance is improved by 2-5%, the adhesive force is also obviously improved, and the appearance is more transparent.

The invention discloses a double directions draught polyester membrane, it includes at least three crush together framework. In the execution of this invention, the two layers of the double directions draught polyester membrane layer A and layer C, one media layer B, layer A and layer C have resist stick reagent, the layer B can be used recycle chip. This invention also discloses the produce method of the double directions draught polyester membrane, including polyester material preparation, crush out, casting chip, draught, heat molding, relax, pull, reel and so on. This double directions draught polyester membrane has high varnish, low mist, and very good machining capacity, especially the capacity of reel and chip is very good, on the other way, the recycle chip can be used, so the produce cost is low. This membrane can be widely used in packet industry.

Polyolefin films having high oxygen transmission values are composed of blends of 75 to 92% isotactic polypropylene, 5 to 15% by weight low density polyethylene and 3 to 10% by weight of an olefin heteropolymer containing propylene and at least one other olefin 2 to 4 carbon atoms having a melting point less than that of polypropylene and a density ofr at least about 0.95 g / cc.

The present invention concerns the deposition of fluorine modified, titanium dioxide films (TiO2) onto hot glass by atmospheric pressure chemical vapor deposition (APCVD) using TiCl4 vapor. The invention is also suitable for depositing other metallic oxide films from their metallic halides such as SnCl4, GeCl4, and VCl4. The present invention provides a process that deposits a novel, fluorine modified, titanium dioxide film (TiO2) onto hot glass by atmospheric pressure chemical vapor deposition using TiCl4 vapor. The process uses injection of TiCl4 into a hot, nonoxygen containing carrier gas and blends the carrier gas and TiCl4 vapor with an oxygen containing gas stream containing a haze reducing quantity of a fluorine containing compound before contacting a surface of hot glass with the blended mixture. The process is capable of depositing a fluorine modified, TiO2 film at deposition rates exceeding 900 Å per second. The crystalline phase of the fluorine modified film is essentially anatase. The film has a haze of less then 1% and a refractive index of greater than or equal to about 2.48. Also provided is an apparatus for practicing the process and a novel coated glass.

The present invention relates to a multi-layer oriented shrink film comprising at least one skin layer comprising a polystyrene material and at least one core layer comprising a polyolefin layer. The films are preferably primarily oriented in either the machine or the cross direction. These films are ideally suited for use as a shrink label which can be applied either as a CD shrink sleeve or applied using a continuous roll process. The films ideally have an overall density of less than 1.0 g / cm3, to facilitate recycling efforts.

A polishing composition for polishing a semiconductor wafer includes comprises water, an abrasive that is preferably colloidal silica, water-soluble cellulose having a molecular weight of at least about 1,000,000 and an alkaline compound that is preferably ammonia. Tetra methyl ammonium hydroxide may also be added to the polishing composition.

Disclosed is an anti-glare anti-reflection film having a low haze and reduced in unevenness and dazzle. The film contains a thermoplastic resin film and at least a hard coat layer and an anti-reflection layer provided on a first surface of the thermoplastic resin film. In the film, a first convexoconcave structure that can give an anti-glare property is provided on the first surface of the thermoplastic resin film or the surface of a layer provided on the first surface of the thermoplastic resin film, and a second convexoconcave structure that can give an anti-glare property is provided on a second surface which is the other surface of the thermoplastic resin film or the surface of a layer provided on the second surface of the thermoplastic resin film. The anti-glare anti-reflection film has an average film thickness of 20 to 70 μm.

The present invention relates to processes for transferring a stack of coatings borne by a removable carrier onto at least one surface of the substrate of an optical article. In some particular aspects, the invention concerns processes for transferring a stack of coatings from a carrier to an optical article, which is capable of imparting antistatic, anti-reflection and / or anti-fog properties. The invention also relates to optical articles producible by such methods.

The invention relates to a co-extruded, biaxially oriented polyester film consisting of a base layer and at least one outer layer. The film contains at least one flame-retardant agent, at least one UV-stabilizer and has a matt outer layer which contains a mixture and / or a blend of two components (I) and (II), whereby component (I) is substantially a polyethylene terephthalate homopolymer, or a polyethylene terephthalate copolymer, or a mixture of polyethylene terephthalate homopolymers or polyethylene terephthalate copolymers, and component (II) is a polymer containing at least one sulphonate group.

The present invention relates to a curable composition, providing, upon curing, an abrasion-resistant, transparent, antistatic coating, comprising carbon nanotubes and a binder comprising at least one epoxysilane compound, preferably an epoxyalkoxysilane, and optionally fillers such as nanoparticles of non electrically conductive oxides and / or additional binder components such as tetraethoxysilane. The invention further relates to optical articles comprising a substrate, and, starting from the substrate, an abrasion- and / or scratch-resistant coating, and an antistatic coating formed by depositing directly onto said abrasion- and / or scratch-resistant coating the above referred curable composition. The obtained optical articles exhibit antistatic properties, high optical transparency with about 91-92% of transmittance, low haze and improved abrasion resistance.

An apparatus and high speed process for heating and stretching a film having a bridle mechanism comprising a first heated roll and a second heated roll. The film is stretched as the film is transferred from the first heated roll to the second heated roll which rotates at a speed greater than the speed at which the first heated roll rotates. The film is fed into the bridle mechanism at a rate of about 1,500 fpm to about 2,500 fpm wherein it is stretched to a length that is up to about 450% greater than its initial, pre-stretched length. The increased contact between the large diameter heated rolls and the film and the short draw gap between the two heated rolls result in a highly stretched film having minimal neck-in.

Provided are multilayer laminates having one or more layers comprising twisted nematic liquid crystals and one or more layers of a polymeric sheet comprising a polymer with a modulus between 20,000 psi (138 MPa) and 100,000 psi (690 MPa). The twisted nematic liquid crystal layers reflect infrared radiation. Thus, the multilayer laminates are useful to reduce the transmission of infrared energy. For example, in some embodiments the multilayer laminates are useful as windows to reduce energy consumption necessary to cool the interior of a structure such as an automobile or building. Preferably, the multilayer laminates retain the beneficial properties of safety glass. The multilayer laminates may include additional layers such as infrared absorbing layers, half wave plates, and the like, to minimize the transmission of infrared energy. The multilayer laminates may also include further additional layers such as polymeric films, polymeric sheets, rigid sheets, and the like.

Compositions made from a polyarylate or polyester carbonate containing greater than about 50 mole % resorcinol based ester linkages give miscible blends with polyimide resins, addition of alkyl amide compounds improves mold release and melt flow while maintaining transparency. The blends also have high refractive index and low haze.

The invention relates to a touch panel. The touch panel comprises a first substrate and a first silver nanowire electrode layer, wherein the first silver nanowire electrode layer is formed on a surface of the first substrate and comprises a plurality of first electrode pads and a plurality of first connecting wires conductively connected with the electrode pads; each first electrode pad is a conductive grid pattern; two first non conductive regions are formed on two sides of a connection direction of the two adjacent first electrode pads; and a plurality of wire segments insulated from the first electrode pads are arranged in the first non conductive regions. The invention furthermore provides a touch display module. The touch display module comprises the touch panel and a display unit, wherein the display unit comprises a display substrate, a liquid crystal layer and a polarizer; and the first silver nanowire electrode layer is arranged on any one of the upper surface of the display substrate, the lower surface of the display substrate, the upper surface of the polarizer and the lower surface of the polarizer.

Water resistant, low haze acrylic emulsion pressure sensitive adhesive compositions for use in decorative, light management or optical articles are disclosed. These emulsion pressure sensitive adhesives comprise (a) 50-90% by weight n-butyl acrylate, and (b) 10-50% by weight 2-hydroxy ethyl acrylate, or 2-hydroxy ethyl methacrylate, hydroxy propyl acrylate monomer, or mixtures thereof. These emulsion pressure sensitive adhesives can be used in wet lamination processes, and exhibit less than 2% increase in haze, less than 2% increase in opacity and greater than 95% transmittance after the wet lamination process.

The invention provides an environment-friendly thermoplastic polyolefin (TPO) auto interior material comprising a TPO surface layer, and a polypropylene foam layer which is compounded with the TPO surface layer, wherein the TPO surface layer is formed by semi-crosslinked TPO, polypropylene, polyethylene, a light stabilizer, an antioxidant, a fire retardant, a filler, an extinction material, a scratch resistant agent and a pigment. The TPO auto interior material disclosed by the invention has the advantages of being good in decorative property, environment-friendly and recoverable, low in odor, low in haze, high and low temperature resistant, weather-resistant, free of separated bloom, good in machinability, high in qualification rate, low in cost, and high in bonding strength with a skeleton, and still can keep good matting property and scratch resistance after being scrubbed.

A packaging film having enhanced optical and mechanical properties so that a product surrounded by the film is clearly visible through the film and the film is sufficiently durable to be useful as packaging film. The packaging film including a first layer of elastomer; a second layer of polyolefin having a first surface abuttingly contacting a first surface of the elastomer; and a third layer of elastomer abuttingly contacting a second surface of the polyolefin. The second layer of polyolefin is positioned between the first and third layers of elastomer. The packaging film can also include oxygen barrier properties useful in applications requiring relatively high protection from oxygen and moisture.

The invention relates to a manufacturing method for a nanometal transparent conductive film. Specific steps are as follows: (1) manufacturing a nanometal into an initial suspension liquid; (2) preparing an additive; (3) adding the additive into the nanometal initial suspension liquid so that a coating nanomeal ink is prepared; (4) coating the nanometal ink on a substrate in a spin coating, slit-type coating, slightly concave plate coating or spray coating method and then pre-baking for 5-20 minutes in a dryer at 100 degrees and then putting the substrate into the drying oven to bake for 5-20 minutes at 140 degrees; (5) at last, making the substrate with a conductive layer pass a planishing mill so as to obtain a conductive layer which is lower in haze level. Through optimization of a formula of the nanometal suspension liquid and conditions of a coating process, a one-step-method coating process is adopted to improve the hardness and the environment tolerance of the film and reduce the haze level of the film.