Abstract: A groove structure for avoiding stripping of a polishing surface of a polishing pad, the polishing pad including a base material and a grinding layer. The base material has a surface. The grinding layer is disposed on the surface, and part of the surface around the edge of the base material is exposed. The grinding layer has a plurality of first grooves and second grooves, and the first grooves cross the second grooves to define a plurality of grinding areas. The exposed part of the surface around the edge of the base material is located between the first grooves, the second grooves and the edge of the polishing pad. The polishing pad contains more grinding liquid, to clean the small grinded pieces. The grinding layer does not have an acute structure and is not easily peeled to form the small grinded pieces. Therefore, grinding quality and grinding effect are improved.

Abstract: The present invention relates to a sheet for mounting a polishing workpiece. The sheet comprises a substrate and a surface layer. The substrate has a surface. The surface layer is located on the surface of the substrate, with no hole structure existing in the interior thereof, and has a plurality of through holes. Accordingly, when the polishing workpiece contacts the surface layer, the air therebetween is vented to the substrate via the through holes and then is easily vented out, without the phenomenon of air wrapping, which increases the adsorption force between the polishing workpiece and the sheet, thereby improving the polishing effect of the polishing workpiece.

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 PU medium layer, a thermo-formable resin layer, a base layer and a surface layer. The thermo-formable resin layer is disposed on the PU 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: A resin surface layer and a method of fabricating the same, and a composite having the resin surface layer and a method of fabricating the same, are provided. The method of fabricating the resin surface layer includes: (a) providing a base, made of a resin and including a plurality of additive particles randomly distributed in the base, wherein the additive particles are selected from a group consisting of pigments, dyes, colorants, coloring matters, and pearl powders; (b) moving the base constantly, and providing a magnetic field generating device to generate an exterior magnetic field that has an uneven distribution of magnetic field intensity, and is applied to the base to change the orientation of the additive particles, so that the additive particles are arranged in a predetermined form; and (c) drying the base to make a surface of the base exhibit a visual effect of 3D texture. Thus, the visual effect of any 3D texture can be achieved by controlling the orientation of the additive particles.

Abstract: The present invention relates to a polishing pad having a groove structure for avoiding the polishing surface stripping. The polishing pad of present invention includes a base material and a grinding layer. The base material has a surface. The grinding layer is disposed on the surface, and part of the surface around the edge of the base material is exposed. The grinding layer has a plurality of first grooves and second grooves, and the first grooves cross the second grooves to define a plurality of grinding areas. The exposed part of the surface around the edge of the base material is located between the first grooves, the second grooves and the edge of the polishing pad. Whereby, the polishing pad of present invention is capable to contain more grinding liquid, and is contributive to clean the small grinded pieces. Furthermore, the grinding layer does not have acute structure and is not easy to peel to form the small grinded pieces. Therefore, the grinding quality and grinding effect can be improved.

Abstract: The present invention relates to a method for patterning a covering material by using a high-power exciting beam. The method includes the steps of (a) providing a base material having a plurality of thin layers, the neighboring thin layers having different colors; and (b) utilizing a high-power exciting beam to form at least one pattern on the base material, in which the pattern has at least one concave portion, so as to expose the thin layers with different colors. As a result, the covering material has a layered visual effect and many colors. Furthermore, the patterning method of the present invention is simple, and can form the pattern on the base material easily Therefore, the manufacturing time of the covering material with the pattern is reduced.

Abstract: The present invention relates to a polishing pad and method for making the same. In the invention, a liquid-state polymer material is directly formed on the surface of a base material, and then the liquid-state polymer material is solidified to form a flat grinding layer. Whereby, the polishing pad has high unity and flatness. The grinding layer has attenuated structures and a plurality of holes, thus increasing the storage ability of polishing particles distributed in a polishing liquid. In addition, the polishing pad has high compression ratio, so the polishing pad can compactly contact a polishing workpiece, and will not scratch the surface of the polishing workpiece scratched. Therefore, the polishing effect and quality will be improved.

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: The present invention relates to a sheet for mounting a polishing workpiece. The sheet comprises a substrate and a surface layer. The substrate has a surface. The surface layer is located on the surface of the substrate, with no hole structure existing in the interior thereof, and has a surface and a slightly rough layer. The slightly rough layer is located on the surface of the surface layer to carry and mount the polishing workpiece, with no hole structure existing in the interior thereof. Accordingly, when the polishing workpiece contacts the slightly rough layer, the air therebetween is easily vented out via the slightly rough layer, without the phenomenon of air wrapping, which increases the adsorption force between the polishing workpiece and the sheet.

Abstract: The present invention mainly relates to a polishing pad comprising a base material comprising fibers; a membrane with low permeability; and a buffer layer formed between the base material and an upper surface of the membrane with low permeability and embedded into the fibers of the base material. A method of polishing a substrate comprising using the polishing pad and a method for manufacturing the polishing pad as described above are also provided.

Abstract: Artificial leather includes a non-woven fabric made of split type conjugate fibers and a resin material for submerging or coating the non-woven fabric. The conjugate fibers are made from a first polymer with crystallization of 40% to 95% and a second polymer with crystallization of 1% to 25% by conjugate spinning. Each of the conjugate fibers is split into 24 to 128 segments.

Abstract: A resin surface layer and a method of fabricating the same, and a composite having the resin surface layer and a method of fabricating the same are provided. The method of fabricating the resin surface layer includes: (a) providing a base, made of a resin and including a plurality of additive particles randomly distributed in the base; (b) changing the orientation of the additive particles to arrange the additive particles in a predetermined form; and (c) drying the base to make a surface of the base exhibit a visual effect of 3D texture. Thus, the visual effect of any 3D texture can be achieved by controlling the orientation of the additive particles.

Abstract: A method for producing microfine fibers having low resistance to deformation and high elasticity in accordance with the present invention comprises acts of: (a) providing polymer A and polymer B; (b) melting polymer A and polymer B to make a filament; (c) drawn the filament to make a staple fiber; (d) entangling the staple fiber to form a non-woven; (e) impregnating the non-woven with a impregnating agent; and may further comprise the acts of (f) using polyurethane impregnating the nonwoven with the impregnating agent or without the impregnating agent; (g) coagulating the non-woven with dimethylformamide (DMF); (h) washing the non-woven with hot water; (i) impregnating the non-woven with a treatment agent; (j) abrading the non-woven to attain a split type mirofine fiber substrate; and (k) bonding a coating to the microfine fiber substrate. Therefore, the method can attain an artificial leather product having low resistance to deformation and high elasticity.

Abstract: There is provided a method for splitting a split type conjugate fiber. The method includes four steps. Firstly, there is provided a first polymer with crystallization of 40% to 95% and a second polymer with crystallization of 1% to 25%. Secondly, a conjugate fiber is made of the first and second polymers by conjugate spinning. Thirdly, the conjugate fiber is submerged in water so that the conjugate fiber contains water. Finally, the conjugate fiber is heated and split into fine fibers.

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 mainly relates to a polishing pad comprising a base material comprising fibers; a membrane with low permeability; a two-component paste formed on the upper surface of the membrane with low permeability for adhering the base material to the membrane with low permeability; and a polyurethane paste formed on the lower surface of the membrane with low permeability. A method of polishing a substrate comprising using the polishing pad and a method for manufacturing the polishing pad as described above are also provided. The polishing pad as mentioned above prevents the polishing pad from detaching from the polishing platen or head. The polishing pad is easy to be replaced without leaving residues on the polishing platen or head.

Abstract: The present invention mainly relates to a polishing pad that comprises a buffer sheet, a polishing sheet and adhesive for adhering the buffer sheet to the polishing sheet. The buffer sheet comprises fibers. The polishing sheet comprises a first elastomer. The adhesive comprises a second elastomer. 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 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: The present invention relates to a complex polishing pad and method for making the same. The method of the invention comprises the steps of: (a) providing a buffer layer, the buffer layer being continuous-porous material and having a surface; (b) flattening the surface of the buffer layer to form a flattened surface; and (c) disposing a polishing layer on the flattened surface so as to form the complex polishing pad, wherein the polishing layer is used to polish a polishing workpiece. Whereby, the complex polishing pad of the invention has a better flatness, and the buffer layer and the polishing layer have a stronger combination.

Abstract: A polishing pad includes a body having a polymer layer and a polishing layer. The polymer layer has opposite first and second faces. The polymer layer includes a plurality of first ultrafine fibers and a polymer bonding the first ultrafine fibers together. The polishing layer is formed on the first face of the polymer layer. The polishing layer includes a plurality of second ultrafine fibers and is free of the polymer. The first and second ultrafine fibers are identical to each other. The second ultrafine fibers have a concentration of ultrafine fibers by volume higher than 80% and higher than that of the first ultrafine fibers of the polymer layer.