摘要:
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.
摘要:
A core-sheath fiber has a core and a sheath. The core comprises 0.1 to 10 wt % of carbon black pigment particles. The sheath surrounds the core preventing the core from being exposed. Because the carbon black pigment particles are mainly distributed in the core and the core is surrounded by the sheath with little or no carbon black pigment particles, a surface of the core-sheath fiber has low friction and electrical conductivity. Therefore, a lifetime of a punch needle used in machinery to produce a nonwoven is maintained and the nonwoven can undergo high frequency treatment to form artificial leather. Additionally, the sheath has little or no carbon black pigment particles, so the sheath is improved compatibility with polyurethane (PU) used for high frequency treatment.
摘要:
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.
摘要:
The present invention relates to a polishing pad having a surface texture. The surface texture is disposed on the polishing surface of the polishing pad. The surface texture comprises at least one first groove, at least one second groove, and a plurality of holes. The second groove extends from a central portion of the polishing pad to the edge of the polishing pad, and the first groove(s) is intersected with the second groove(s) to form a plurality of intersection points. The holes are disposed at the intersection points, and the depth of the holes is larger than that of the first groove. Thus, the second groove(s) enables impurities suspended in the polishing slurry to be quickly removed from the polishing pad, and the holes can store the polishing slurry to delay the polishing particles in the polishing slurry from departing from the polishing pad.
摘要:
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.
摘要:
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.
摘要:
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.