Patents Assigned to San Fang Chemical Industry Co., Ltd.
  • Publication number: 20120302142
    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.
    Type: Application
    Filed: July 23, 2012
    Publication date: November 29, 2012
    Applicant: San Fang Chemical Industry Co., Ltd.
    Inventors: CHUNG-CHIH FENG, I-PENG YAO, CHEN-HSIANG CHAO, YUNG-CHANG HUNG
  • Publication number: 20120225248
    Abstract: The present invention relates to an artificial leather having composite fibers and a method for making the same. The artificial leather includes a substrate and a flexible film. The substrate includes a plurality of composite fibers. Each composite fiber includes a first composition and a second composition. The first composition is a thermoplastic non-elastomer, and the second composition is a thermoplastic elastomer. The second composition accounts for 5% to 70% of the total weight of the composite fiber. The second composition at the intersecting points between the composite fibers is molten to form a flexible bonding point. The flexible film is located on a surface of the substrate, and the material of the flexible film is an elastic polymer or a latex. Therefore, the artificial leather has excellent textile sensation and physical properties.
    Type: Application
    Filed: February 21, 2012
    Publication date: September 6, 2012
    Applicant: SAN FANG CHEMICAL INDUSTRY CO., LTD.
    Inventors: LUNG-CHUAN WANG, CHUNG-CHIH FENG, JUNG-CHING CHANG, HSIEN-CHANG HUNG, CHIEN-TE WU, TI-SHUN YEH
  • Patent number: 8252133
    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.
    Type: Grant
    Filed: March 25, 2011
    Date of Patent: August 28, 2012
    Assignee: San Fang Chemical Industry Co., Ltd.
    Inventors: Chung-Chih Feng, I-Peng Yao, Ko-Feng Wang, Chen-Tai Cheng, Kai-Feng Kang
  • Patent number: 8206538
    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.
    Type: Grant
    Filed: April 3, 2009
    Date of Patent: June 26, 2012
    Assignee: San Fang Chemical Industry Co., Ltd.
    Inventors: Chung-Chih Feng, I-Peng Yao, Ko-Feng Wang, Kai-Feng Kang, Chun-Yi Kuo
  • Publication number: 20120126472
    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.
    Type: Application
    Filed: November 2, 2011
    Publication date: May 24, 2012
    Applicant: SAN FANG CHEMICAL INDUSTRY CO., LTD.
    Inventors: CHUNG-CHIH FENG, I-PENG YAO, LYANG-GUNG WANG, WEN-CHIEH WU, WEI-TE LIU
  • Publication number: 20120094584
    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.
    Type: Application
    Filed: April 21, 2011
    Publication date: April 19, 2012
    Applicant: SAN FANG CHEMICAL INDUSTRY CO., LTD.
    Inventors: CHUNG-CHIH FENG, I-PENG YAO, LYANG-GUNG WANG, CHUN-TA WANG, HSIN-RU SONG
  • Publication number: 20120021662
    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.
    Type: Application
    Filed: June 28, 2011
    Publication date: January 26, 2012
    Applicant: SAN FANG CHEMICAL INDUSTRY CO., LTD.
    Inventors: CHUNG-CHIH FENG, YUNG-YU FU, KUN-LIN CHIANG, JUNG-CHING CHANG, CHIH-CHENH LIN, CHUN-WEI WU, PEI-HUO HUANG, I-PENG YAO
  • Patent number: 8087975
    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.
    Type: Grant
    Filed: June 4, 2009
    Date of Patent: January 3, 2012
    Assignee: San Fang Chemical Industry Co., Ltd.
    Inventors: Chung-Chih Feng, I-Peng Yao, Lyang-Gung Wang, Zong-Yao Ku
  • Publication number: 20110311772
    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.
    Type: Application
    Filed: August 4, 2011
    Publication date: December 22, 2011
    Applicant: SAN FANG CHEMICAL INDUSTRY CO., LTD.
    Inventors: CHUNG-CHIH FENG, PAI-HSIANG WU, CHIEN-CHIA HUANG, CHENG-CHI WU, CHIH-SHIH WANG
  • Publication number: 20110250811
    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.
    Type: Application
    Filed: April 6, 2011
    Publication date: October 13, 2011
    Applicant: SAN FANG CHEMICAL INDUSTRY CO., LTD.
    Inventors: CHUNG-CHIH FENG, YUNG-YU FU, KUN-LIN CHIANG, JUNG-CHING CHANG, CHIH-CHENH LIN, CHUN-WEI WU, PEI-HUO HUANG, I-PENG YAO
  • Publication number: 20110223844
    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.
    Type: Application
    Filed: May 10, 2010
    Publication date: September 15, 2011
    Applicant: SAN FANG CHEMICAL INDUSTRY CO., LTD.
    Inventors: CHUNG-CHIH FENG, KUN-CHENG TSAI, YUNG-CHANG HUNG, I-PENG YAO
  • Publication number: 20110194293
    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.
    Type: Application
    Filed: December 8, 2010
    Publication date: August 11, 2011
    Applicant: SAN FANG CHEMICAL INDUSTRY CO., LTD.
    Inventors: CHUNG-CHIH FENG, CHUN-YI KUO, KAI-FENG KANG, KO-FENG WANG, I-PENG YAO
  • Publication number: 20110177305
    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.
    Type: Application
    Filed: April 14, 2010
    Publication date: July 21, 2011
    Applicant: SAN FANG CHEMICAL INDUSTRY CO., LTD.
    Inventors: Chung-Chih FENG, Chun-Ta WANG, Kun-Cheng TSAI, Yung-Chang HUNG, I-Peng YAO, Kao-Lung YANG, Chih-Yi LIN
  • Publication number: 20110168323
    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.
    Type: Application
    Filed: March 25, 2011
    Publication date: July 14, 2011
    Applicant: SAN FANG CHEMICAL INDUSTRY CO., LTD.
    Inventors: Chung-Chih Feng, I-Peng Yao, Ko-Feng Wang, Chen-Tai Cheng, Kai-Feng Kang
  • Patent number: 7972396
    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
    Type: Grant
    Filed: September 24, 2007
    Date of Patent: July 5, 2011
    Assignee: San Fang Chemical Industry Co., Ltd.
    Inventors: Chung-Chih Feng, I-Peng Yao, Yung-Chang Hung
  • Publication number: 20110159235
    Abstract: A composite fiber having elastomer and method for making the same, and a substrate having the composite fiber and method for making the same are provided. The composite fiber includes a first composition and a second composition. The first composition is thermoplastic non-elastomer, and the second composition is thermoplastic elastomer (TPE). The second composition is in an amount of 5 to 70 weight % of the composite fiber. The first composition and the second composition are alternately distributed in a circumference of a cross-section of the composite fiber, and the length of the second composition is less than 50% of the total length of the circumference. The TPE can be dispersed uniformly and increase the adhesion between fibers, and the segmented fiber cross-section thereof further prevents the TPE from becoming too adhesive and affecting the processing during the fabrication of fibers and non-woven fabric substrates.
    Type: Application
    Filed: November 17, 2010
    Publication date: June 30, 2011
    Applicant: SAN FANG CHEMICAL INDUSTRY CO., LTD.
    Inventors: LUNG-CHUAN WANG, CHUNG-CHIH FENG, CHIH-YI LIN, SZU-WEI HUANG, KAO-LUNG YANG, JUI-PENG TUNG
  • Patent number: 7935282
    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) drawing 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 have the acts of (f) impregnating the nonwoven with polyurethane; (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.
    Type: Grant
    Filed: August 15, 2008
    Date of Patent: May 3, 2011
    Assignee: San Fang Chemical Industry Co., Ltd.
    Inventors: Chung-Chih Feng, Chih-Yi Lin, Gao-Long Yang, Szu-Wei Huang, Ming-Hsiung Liang, Jong-Shy Lin, Yuan-Chih Lan
  • Publication number: 20110070814
    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.
    Type: Application
    Filed: September 21, 2010
    Publication date: March 24, 2011
    Applicant: SAN FANG CHEMICAL INDUSTRY CO., LTD.
    Inventors: Chung-Chih Feng, I-Peng Yao, Yung-Chang Hung, Lyang-Gung Wang
  • Publication number: 20110045751
    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.
    Type: Application
    Filed: October 19, 2010
    Publication date: February 24, 2011
    Applicant: SAN FANG CHEMICAL INDUSTRY CO., LTD.
    Inventors: CHUNG-CHIH FENG, I-PENG YAO, LYANG-GUNG WANG, YUNG-CHANG HUNG
  • Publication number: 20110011007
    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.
    Type: Application
    Filed: September 24, 2010
    Publication date: January 20, 2011
    Applicant: SAN FANG CHEMICAL INDUSTRY CO., LTD.
    Inventors: Chung-Chih FENG, I-Peng YAO, Lyang-Gung WANG, Yung-Chang HUNG, Chao-Yuan TSAI