210results about How to "Enhance haze" patented technology

A PSA laminate is provided comprising at least one non-adhesive laminate and at least one tackifier layer; wherein the non-adhesive laminate comprises at least one facestock layer and at least one adhesive base layer; wherein the facestock layer comprises at least one facestock material; wherein the adhesive base layer comprises at least one adhesive base polymer; wherein the tackifier layer comprises at least one tackifier; wherein the tackifier composition is not a PSA; and wherein the tackifier layer is applied to the adhesive base layer side of the non-adhesive laminate to produce the PSA laminate. Processes for producing the PSA laminate are also provided as well as articles comprises the PSA laminates.

The object of the present invention is to provide an interlayer film for laminated glass which exerts excellent heat insulation or electromagnetic wave transmittance and which is suitable for producing a laminated glass having excellent fundamental performance characteristics required for the laminated glass, such as transparency, especially good haze, appropriate bond strength between an interlayer film and glass, penetration resistance, impact absorption, weather resistance, and so on. Also, the object of the present invention is to provide a laminated glass produced by using the above-mentioned interlayer film. These objects are realized by the interlayer film for laminated glass comprising an adhesive resin, wherein the average particle diameter of tin-doped indium oxide and / or antimony-doped tin oxide is ranging from 0 to 80 nm, and the number of the tin-doped indium oxide or antimony-doped tin oxide particles with a particle diameter of not less than 100 nm are dispersed not more than 1 per 1 μm2, and also, by a laminated glass produced by interposing said interlayer film for laminated glass between at least a pair of glass sheets having a visible light transmittance rate (Tv) of not less than 65% in the light rays of 380 to 780 nm, a solar radiation transmittance rate (Ts) in the light rays of 300 to 2500 nm of not more than 80% of the mentioned visible light transmittance rate (Tv), the haze value (H) of up to 1.0% and electromagnetic wave shield (ΔdB) of not more than 10 dB in the wavelength of 10 to 2000 MHz.

The invention relates to a process for producing a caprolactam and nylon 66 salt copolymer slice. The process comprises the following steps of: 1) preparing raw materials, namely respectively preparing caprolactam melt, a nylon 66 salt aqueous solution and an additive; 2) mixing the raw materials prepared in the step 1) in a mixer; 3) reacting the raw materials mixed in the step 2) in a pre-polymerization tower; 4) reacting the materials treated in the step 3) in a post-polymerization tower for reaction; 5) slicing the materials prepared in the step 4); 6) extracting the slices prepared in the step 5); 7) drying the extracted slices in the step 6); and 8) cooling the slices dried in the step 7), thus obtaining the caprolactam and nylon 66 salt copolymer slice finished product. According to the technical scheme, the caprolactam and nylon 66 salt copolymer slice has the characteristics of outstanding tensile strength, anti-impact strength and anti-puncturing strength, high gas isolation performance, high heat resistance, high mist degree, high glossiness, low temperature performance, flexibility, high transparency, high printablility and the like.

The invention relates to the field of diffusion plates, in particular to a foaming light diffusion plate and a preparation method and application thereof. Compared with a chemical foaming agent, supercritical fluid is used for foaming to prepare the light diffusion plate, residues of toxic substances cannot be caused, meanwhile, the prepared light diffusion plate has excellent optical performance by controlling the introduction rate of the supercritical fluid, gathered point light sources can be homogenized, and the light diffusion plate has excellent haze; the maximum haze can reach 99.6%, the soft and uniform lighting effect can be achieved, meanwhile, the high light transmittance is achieved, the maximum light transmittance can reach 52.6%, and too high light loss cannot be caused; besides, the mass of the light diffusion plate is effectively reduced, the usage amount of raw materials is reduced, the production cost is reduced, meanwhile, the better mechanical strength is maintained, and the light diffusion plate has good impact resistance, smoothly passes an IK03 test and is wide in application prospect.

The invention discloses a BOPP matting transfer film for coating transfer. The BOPP matting transfer film for coating transfer sequentially comprises an upper surface layer, an upper core layer, a lower core layer and a lower surface layer, wherein the upper surface layer is an anti-adhesive layer; the upper core layer is a polypropylene layer; both the lower core layer and the lower surface layerare transfer layers; each transfer layer comprises the following components in percent by weight: 80-88% of matting transfer masterbatch, 4.0-8.0% of an antistatic agent, 4.0-6.0% of a slipping agentand 4.0-6.0% of an anti-adhesion agent. The BOPP matting transfer film is directly prepared by a four-layer coextrusion and biaxial stretching method. The BOPP matting film for coating transfer is uniform in matting layer surface roughness, stable in matting effect and good in transfer effect, and can be applied to transfer of leather textiles.

The invention relates to an anti-static polyester film and a preparing method thereof. The anti-static polyester film comprises a structure layer A, a structure layer B and a structure layer C. The layer B is a middle core layer and is made of a super bright polyester chip. The layer A is an upper surface layer anti-static layer and is made of an anti-static anti-blocking polyester chip and a super bright polyester chip. The layer C is a lower surface layer anti-static layer and is made of an anti-static anti-blocking polyester chip and a super bright polyester chip. Modified synthetic PET materials containing organic metal positive ions and silicon dioxide are selected as anti-static anti-blocking additives, a special production technology is used for changing the structure of a BOPET polyester film and the overall crystallization rate of a production process and the crystallinity of final products, accordingly, polyester molecular structures are changed, the effects of good glossiness, normal haze and static resistance are achieved, and meanwhile good opening performance is achieved.

The invention relates to matte release paper, comprising a substrate, wherein coating material is coated on the surface of at least one side of the substrate, raw material formula of the coating material comprises 71.2-90.8% of polymer, 0.2-1.2% of lubricating agent and 9-27.6% of fogging filler; the polymer is selected from polyethylene, polypropylene, PVC (polyvinyl chloride) and PET (polyethylene terephthalate); and the filler is solid particles with particle size of 3-20 microns. According to the invention, the matte release paper with stable release force and a pressure sensitive adhesive surface having a good haze effect can be produced, thus an adhesive moving surface can achieve low reflective effect. The matte release paper has the advantages that the production process is simple, equipment investment cost is low and operation is easy to carry out.

The invention relates to the technical field of optical thin films, in particular to a warping-resistant optical thin film, a preparation method thereof and a display device using the optical thin film, and aims to overcome the defects that a film surface of the conventional diffusion film is easy to warp, and raised grains are generated. The optical thin film comprises a transparent base plate; one side of the transparent base plate is provided with an upper diffusion coating, and the other side of the transparent base plate is provided with a lower diffusion coating; the thickness of the upper diffusion coating is 1 to 50 mu m; and the absolute value of the difference between the thickness of the lower diffusion coating and the upper diffusion coating is less than or equal to 3 mu m. The provided warping-resistant optical thin film has the advantages of the conventional diffusion film; the coatings of the film are low in shrinkage percentage; the warping phenomena can be reduced obviously; the preparation method is simple and easy to operate; and the optical thin film is used as the diffusion film in the display device, a good screen effect can be achieved, and shadows can be avoided.

The invention discloses a three-layer medical liquid medicament packaging film which has a composite structure with three layers A, B and C, wherein the layer A forms the outer surface of the film and comprises the ingredients of homo-polypropylene or a mixture of homogeneous propylene and SEBS (Thermoplastic Elastomer); the layer B comprises the ingredients of polypropylene random copolymer, SEBS, POE (Polyolefin Elastomer), mPE (Metallocene Polyethylene) or the mixture of two or more than two of the materials; the layer C forms the inner surface of the film and comprises the ingredients of polypropylene random copolymer and / or a mixture of ethylene-propylene-butene terpolymer and SEBS, wherein the SEBS is 8-24wt% in weight percent. The medical liquid medicament packaging film has comprehensive properties of excellent weather resistance, good heat sealability, high transparency, high tenacity, high barrier property and the like, and has wide adaptability to a full-automatic filling sealing production line in the pharmacy process.

The invention provides a production method of a thermoplastic elastomer film. The production method comprises mixing 100 parts of thermoplastic polymer sizing material, 20-30 parts of coloring cake and 5-8 parts of other additives to obtain a sizing material, sufficiently stirring the sizing material in a device with ten thousand horsepower to obtain uniformly mixed sizing material, affixing the sizing material to matte release paper, baking, cooling to room temperature, and stripping the matte release paper to obtain the thermoplastic elastomer film.

The invention discloses a light-diffusion environment-friendly and inflaming retarding polycarbonate based composition for LED (Light-Emitting Diode) illumination and a preparation method thereof. The composition is prepared from the following raw materials in parts by weight of: 50-90 parts of diphenol A aromatic polycarbonate A, 1-40 parts of diphenol A aromatic polycarbonate B, 0.005-2 parts of light dispersant A, 0.05-1 part of light dispersant B, 0.01-2 parts of fire retardant, 0-2 parts of antioxidant A, 0-2 parts of antioxidant B and 0-2 parts of antioxidant C. The composition disclosed by the invention has excellent mechanical property and machining performance, has higher light transmittance and haze, and has a good inflaming retarding effect.

The invention discloses high-viscosity polyvinyl butyral. The high-viscosity polyvinyl butyral is prepared from the following raw materials in parts by weight: high-polymeric polyvinyl alcohol, low-polymeric polyvinyl alcohol, pure water, ammonium sulfate, n-butanal and concentrated hydrochloric acid. The invention also discloses a preparation method of the high-viscosity polyvinyl butyral. The preparation method comprises the following steps: preparing a polyvinyl alcohol solution; adding n-butanal and concentrated hydrocholoric acid into the polyvinyl alcohol solution, thus obtaining primary high-viscosity polyvinyl butyral; and washing the primary high-viscosity polyvinyl butyral with pure water until the pH of the washing solution is 7, and then drying to obtain the high-viscosity polyvinyl butyral finished product. The high-polymeric polyvinyl alcohol and the low-polymeric polyvinyl alcohol of different polymerization degrees are adopted to prepare the high-viscosity polyvinyl butyral together with the pure water, the ammonium sulfate, the n-butanal and the concentrated hydrochloric acid, so that not only is the obtained product stable in structure and high in degree of acetalization, good in transparency and haze, but also the process is simple, easy in preparation and suitable for being popularized.