Abstract: The present invention relates to a conductive polishing pad and a method for making the same. The conductive polishing pad includes a bottom layer, a conductive film and a polishing layer. The bottom layer includes a first high polymer and a fiber base. The first high polymer covers the fiber base, and has a plurality of first holes. The conductive film is disposed on the bottom layer. The polishing layer is disposed on the conductive film, and includes a second high polymer. The second high polymer has a plurality of second holes. Even though the bottom layer and the polishing layer are poor conductors, the conductivity thereof is raised by the conductive film, so that the polishing pad has good conductivity. Further, the polishing pad has a flexible surface, which prevents a surface of a workpiece to be polished from being scratched during polishing.

Abstract: The present invention mainly relates to a polishing pad and method of producing the same. The polishing pad comprises a base material having a surface for polishing a substrate, wherein the surface comprises a plurality of bundles of first long fibers and an elastomer embedded into the bundles. The bundles of first long fibers are entangled with each other.

Abstract: The production method of the coating material comprising the steps of applying and drying liquid polyurethane (PU) material onto a release paper in order to form three polyurethane (PU) layers, rolling the composite layer and separating the release paper to form the composite coating material for covering the outer shells of electronic devices. The polyurethane (PU) composite coating material thereby produced comprises at least a colored surface layer and a substrate layer. The surface of the composite coating material is colored and has a relief-like pattern, which can provide users with a better visual or touch effect.

Abstract: A PU composite and a method of fabricating the same are provided. The fabrication method includes: (a) providing a release paper; (b) coating a fabric layer on the release paper, the fabric layer containing a PU resin, an abrasion resistant, and a colorant; (c) drying the fabric layer; (d) coating a first laminated layer on the fabric layer; (e) drying the first laminated layer; (f) laminating a wet PU foam layer on the first laminated layer; (g) releasing the release paper to form a semi-product; (h) providing a plastic layer, which is of a thermoplastic; (i) coating a second laminated layer on the plastic layer; (j) drying the second laminated layer; and (k) laminating the semi-product of Step (g) on the second laminated layer, so as to form a PU composite. Compared with conventional PU composites, the PU composite of the present invention has better UV resistance, solvent resistance, and abrasion resistance.

Abstract: The present invention relates to a composite with thermo-formability, a method for making the same and a method for making a casing with a texture on the surface thereof. The composite includes a polyurethane medium layer, a thermo-formable resin layer, a base layer and a surface layer. The thermo-formable resin layer is disposed on the polyurethane medium layer, and includes polyol. The base layer is disposed on the thermo-formable resin layer. The surface layer is disposed on the base layer. As a result, the composite has good stability after thermoforming, and plastic can be injected into the composite, so a PC film is unnecessary. Moreover, the composite may be adhered to a substrate directly or after thermoforming.

Abstract: The present invention relates to a sheet for mounting a workpiece, which includes a sheet body. The sheet body includes a top surface, a plurality of foamed pores, and a plurality of surface holes or at least one surface groove. The top surface is used for mounting a workpiece. The foamed pores are disposed in the interior of the sheet body. The surface holes or the surface groove have opening on the top surface but does not communicate with the foamed pores. The surface holes or the surface groove is formed by machining, and arranged in at least one pattern. Whereby, the time for taking off the workpiece from the sheet is reduced.

Abstract: The present invention relates to a sheet for mounting a workpiece and a method for making the same. The method includes the steps of: (a) providing a sheet body having a top surface, a bottom surface, at least one side surface and a plurality of pores, wherein some of the pores open at the side surface; and (b) sealing or narrowing the pores that open at the side surface. Since the pores that open at the side surface are sealed or narrowed, the slurry is prevented from entering into the interior of the sheet body. Therefore, the infiltration distance reaches a predetermined value slowly, thereby increasing the effective life of the sheet.

Abstract: The present invention relates to a laminated material and a method for making the same. The laminated material includes a main layer, a surface layer and an adhesion layer. The main layer at least includes a first polymer resin. The surface layer is disposed on the main layer, the material of the surface layer is a second polymer resin, and the solid content of the second polymer resin is less than that of the first polymer resin. The adhesion layer is disposed under the main layer, and the material of the adhesion layer is thermoplastic resin which is adhesive when being heated, so that the laminated material can be directly attached to another element, thereby simplifying the process and reducing cost.

Abstract: The present invention relates to a composite sheet for mounting a workpiece and a method for making the same. The composite sheet includes a buffer layer and an adsorption layer. The buffer layer has a plurality of continuous pores. The adsorption layer is located on the buffer layer for adsorbing a workpiece, and the compression ratio of the buffer layer is higher than that of the adsorption layer. Thereby, due to low hardness, good adsorption effect, and high compression ratio, the composite sheet of the present invention has good buffer effect.

Abstract: A method for making an elastic laminate includes providing adhesive on each of two sides of a highly porous foil to form a polygonal reticulate adhesive film which includes a plurality of polygonal adhesive dots spaced from one another by a plurality of adhesive-free linear gaps, or which includes a plurality of hollow polygonal adhesive units connected to one another and each encloses a polygonal adhesive-free gap. Two sheets of elastic layers are adhered by the adhesive to the sides of the highly porous foil so that polygonal reticulate gaps exist between the highly porous foil and the elastic layer, providing a laminate with moisture-absorbing, permeable, quick drying, thermally insulating, and elastic properties.

Abstract: A multi-layered material and a method for making the same are provided. The multi-layered material includes a first foamed layer, a substrate, a second foamed layer, and a surface layer. The first foamed layer has a plurality of first cells. The substrate is a fabric. The second foamed layer has a plurality of second cells. The foaming method of the second foamed layer is different from that of the first foamed layer. The size of the second cells is different from that of the first cells. The variation in size of the second cells is different from that of the first cells. The surface layer is disposed on the second foamed layer. Thus, when the multi-layered material is used as a surface cover of a ball, it can provide excellent resilience and control, and improve manufacturing efficiency.

Abstract: The present invention relates to a polishing pad and method for making the same. The polishing pad comprises a plurality of fibers and a high polymeric elastomer compound. The fibers cross each other to form a fabric substrate. The high polymeric elastomer compound includes a first high polymeric elastomer resin and a second high polymeric elastomer resin. The weight-average molecular weight of the first high polymeric elastomer resin is 100,000 to 300,000. The second high polymeric elastomer resin is a two-component high polymeric elastomer resin, and includes a first component and a second component. The first component is polyol with a molecular weight of 1,500 to 2,500 and 1 wt % to 15 wt %. The second component is polyol with a molecular weight of 3,500 to 4,500 and 85 wt % to 99 wt %. Therefore, the polishing pad has better stiffness, a plurality of communicating holes and active fibers, so that a workpiece to be polished will have excellent surface quality.

Abstract: The present invention relates to a structure with luminous and visual effects, a light transmissive sheet thereof, and a method for making the same. The light transmissive sheet includes a first layer, a light transmissive intermediate layer and a second layer. The material of the first layer, the light transmissive intermediate layer and the second layer is polyurethane resin. The light transmissive intermediate layer is disposed on the first layer, and the second layer is disposed on the light transmissive intermediate layer. At least one pattern is formed on the first layer or the second layer, and the pattern penetrates the first layer or the second layer. When light irradiates the light transmissive sheet, the pattern is shown, so the light transmissive sheet has luminous and visual effects.

Abstract: The present invention relates to a polishing pad and method for making the same. The polishing pad includes a fabric substrate and a second high polymeric elastomer resin. The fabric substrate is formed by a plurality of cross composite fibers. Each composite fiber has a plurality of fine fibers and a first high polymeric elastomer resin, and the first high polymeric elastomer resin discontinuously encloses the fine fibers. The second high polymeric elastomer resin encloses the composite fibers, and the first high polymeric elastomer resin and the second high polymeric elastomer resin have the same functional group. By adjusting the degree of saturation of the first high polymeric elastomer resin and the second high polymeric elastomer resin, the fine fibers will have smaller size and will not be easily entangled. Therefore, a workpiece to be polished will not be scratched and will have excellent surface quality.

Abstract: A PU composite and a method of fabricating the same are provided. The fabrication method includes: (a) providing a release paper; (b) coating a fabric layer on the release paper, the fabric layer containing a PU resin, an abrasion resistant, and a colorant; (c) drying the fabric layer; (d) coating a first laminated layer on the fabric layer; (e) drying the first laminated layer; (f) laminating a wet PU foam layer on the first laminated layer; (g) releasing the release paper to form a semi-product; (h) providing a plastic layer, which is of a thermoplastic; (i) coating a second laminated layer on the plastic layer; (j) drying the second laminated layer; and (k) laminating the semi-product of Step (g) on the second laminated layer, so as to form a PU composite. Compared with conventional PU composites, the PU composite of the present invention has better UV resistance, solvent resistance, and abrasion resistance.

Abstract: The present invention relates to a method of producing a polishing pad, comprising steps of: (a) providing a base material comprising a plurality of fibers; said base material having a surface for polishing a substrate, wherein the fibers comprise a core and a cladding surrounding the core, and the cladding comprises a hydrophobic polymer; (b) impregnating the surface of the base material with an elastomer solution; (c) coagulating the elastomer impregnated in the surface of the base material to mold the elastomer and to form a plurality of first continuous pores between the elastomer, and between the elastomer and the fibers; (d) planarizing the surface of the base material; (e) impregnating the surface of the base material and elastomer obtained in the step (d) with a condition polymer solution; and (e) curing the condition polymer impregnated in the surface of the base material and elastomer and partially filling the condition polymer into the first continuous pores to form a plurality of second continuous

Abstract: The present invention relates to a method for manufacturing a polishing pad. The method of the invention includes the steps of forming a polishing layer from a polyurethane solution has a solid content more than about 90 wt % and drying the polyurethane solution at a temperature from about 130° C. to about 170° C. The invention also provides a polishing pad manufactured by the method mentioned above. The defect of scraping the surface of the substrate to be polished due to polishing particles remaining is avoided when applying the polishing pad according to the invention, and the flatness of the substrate to be polished is raised and the defective rate is eliminated also.

Abstract: The present invention relates to a carrier film for mounting a polishing workpiece. The carrier film comprises a surface substrate and a buffer substrate. The surface substrate consists of first elastomer, the first elastomer comprising a plurality of first holes; wherein the first holes have a drop shape, and each of the first holes has an opening. The buffer substrate consists of second elastomer, the second elastomer comprising a plurality of second holes. The surface substrate and the buffer substrate are adhered with adhesive comprising the first or the second elastomer. A method for making the carrier film is also provided. When polishing, the carrier film provides a good buffer property to conduct and release down force applied on the polishing workpiece.

Abstract: The present invention relates to a polishing pad that comprises a polishing sheet for polishing a substrate, a buffer sheet comprising a plurality of holes, and adhesive for adhering the buffer sheet to the polishing sheet; wherein the adhesive is formed by polymerizing macromolecules with fluidity. A method of polishing a substrate comprising using the polishing pad and a method for manufacturing the polishing pad described above are also provided.

Abstract: The present invention relates to a polishing material having polishing particles and a method for making the same. The polishing material having polishing particles includes a base material, a plurality of polishing particles and a polymer elastic body. The base material has a plurality of fibers for defining a plurality of grid-spaces. The polishing particles are distributed in the grid-spaces. The polymer elastic body covers the base material and the polishing particles. Whereby, the polishing particles are uniformly distributed on a surface of a polishing workpiece during the polishing process. Furthermore, the base material prevents the polishing particles from contacting the polishing workpiece so as to avoid the scratch of the polishing workpiece. Also, the base material provides effects for sweeping the small grinded pieces.