Apparatuses, systems, and associated methods for forming porous masses for smoke filter
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B29B-011/16
A24D-003/02
A24D-003/06
A24C-005/47
A24D-003/00
B82Y-030/00
출원번호
US-0854253
(2013-04-01)
등록번호
US-9027566
(2015-05-12)
발명자
/ 주소
Garrett, Thomas S.
Gou, Zeming
Kizer, Lawton E.
Robertson, Raymond M.
출원인 / 주소
Celanese Acetate LLC
대리인 / 주소
McDermott Will & Emery LLP
인용정보
피인용 횟수 :
6인용 특허 :
24
초록▼
A system for producing porous masses may include a mold cavity disposed along the material path, at least one hopper before at least a portion of the mold cavity for feeding a matrix material to the material path, a heat source in thermal communication with at least a first portion of the material p
A system for producing porous masses may include a mold cavity disposed along the material path, at least one hopper before at least a portion of the mold cavity for feeding a matrix material to the material path, a heat source in thermal communication with at least a first portion of the material path, and a cutter disposed along the material path after the first portion of the material path.
대표청구항▼
1. A method comprising: continuously introducing a matrix material into a mold cavity, wherein the matrix material comprises an active particle and a binder particle, and wherein the binder particles have a melt flow index of less than about 3.5 g/10 min at 190° C. and 15 kg according to ASTM D1238,
1. A method comprising: continuously introducing a matrix material into a mold cavity, wherein the matrix material comprises an active particle and a binder particle, and wherein the binder particles have a melt flow index of less than about 3.5 g/10 min at 190° C. and 15 kg according to ASTM D1238, a bulk density of about 0.1 to about 0.5 g/cm3, and either (1) a molecular weight of about 300,000 to less than 1,000,000 and an average particle size of about 5 microns to about 500 microns or (2) a molecular weight of about 1,000,000 to about 6,000,000 and an average particle size of about 200 microns to about 500 microns;disposing a release wrapper as a liner of the mold cavity;heating at least a portion of the matrix material to about 175° C. to about 300° C., so as to bind the matrix material at a plurality of contact points thereby forming a porous mass length having an encapsulated pressure drop of about 10 mm of H2O/mm of porous mass length or less; andcutting the porous mass length radially thereby yielding a porous mass. 2. The method of claim 1, wherein the release wrapper comprises a paper. 3. The method of claim 1, wherein the porous mass length is a wrapped porous mass length and the porous mass is a wrapped porous mass. 4. The method of claim 1, wherein continuously introducing the matrix material is indexed and a spacer is disposed between the indexed matrix material. 5. The method of claim 1, wherein heating involves at least one selected from the group consisting of: a heated fluid internal to the mold cavity, a heated fluid external to the mold cavity, steam, a heated inert gas, secondary radiation from a nanoparticle, an oven, a furnace, a flame, a thermoelectric material, and any combination thereof. 6. The method of claim 5, wherein the secondary radiation from the nanoparticle is produced by exposing the nanoparticle to electromagnetic radiation. 7. The method of claim 5, wherein the binder particle comprises at least one selected from the group consisting of: ultrahigh molecular weight polyethylene, very high molecular weight polyethylene, high molecular weight polyethylene, a polyolefin, a polyester, a polyamide, a nylon, a polyacrylic, a polystyrene, a polyvinyl, polytetrafluoroethylene, polyether ether ketone, a non-fibrous plasticized cellulose, polyethylene, polypropylene, polybutylene, polymethylpentene, low-density polyethylene, linear low-density polyethylene, high-density polyethylene, polyethylene terephthalate, polybutylene terephthalate, polycyclohexylene dimethylene terephthalate, polytrimethylene terephthalate, polymethyl methacrylate, polystyrene, acrylonitrile-butadiene-styrene, styrene-acrylonitrile, styrene-butadiene, styrene-maleic anhydride, ethylene vinyl acetate, ethylene vinyl alcohol, polyvinyl chloride, cellulose acetate, cellulose acetate butyrate, a plasticized cellulosic, cellulose propionate, ethyl cellulose, any derivative thereof, any copolymer thereof, and any combination thereof. 8. The method of claim 1, wherein the active particle comprises at least one selected from the group consisting of: activated carbon, an ion exchange resin, a desiccant, a silicate, a molecular sieve, a silica gel, activated alumina, a zeolite, perlite, sepiolite, Fuller's Earth, magnesium silicate, a metal oxide, iron oxide, a nano-scaled carbon particle, a carbon nanotube having at least one wall, a carbon nanohorn, a bamboo-like carbon nanostructure, a fullerene, a fullerene aggregate, graphene, a few layer graphene, oxidized graphene, an iron oxide nanoparticle, a nanoparticle, a metal nanoparticle, a gold nanoparticle, a silver nanoparticle, a metal oxide nanoparticle, an alumina nanoparticle, a magnetic nanoparticle, a paramagnetic nanoparticle, a superparamagnetic nanoparticle, a gadolinium oxide nanoparticle, a hematite nanoparticle, a magnetite nanoparticle, a gado-nanotube, an endofullerene, Gd@C60, a core-shell nanoparticle, an onionated nanoparticle, a nanoshell, an onionated iron oxide nanoparticle, and any combination thereof. 9. The method of claim 1, wherein the porous mass has a void volume of about 40% to about 90%. 10. The method of claim 1, wherein the porous mass has an active particle loading of about 1 mg/mm to about 25 mg/mm. 11. The method of claim 1, wherein the porous mass has a carbon loading of about 6 mg/mm to about 25 mg/mm. 12. The method of claim 1 further comprising: operably connecting the porous mass with at least one filter section to form a multi-segmented filter. 13. The method of claim 1 further comprising: operably connecting the porous mass with a tobacco column to form a smoking device. 14. A method comprising: continuously feeding a matrix material into a mold cavity without vibrating, wherein the matrix material comprises an active particle and a binder particle, and wherein the binder particles have a melt flow index of less than about 3.5 g/10 min at 190° C. and 15 kg according to ASTM D1238, a bulk density of about 0.1 to about 0.5 g/cm3, and either (1) a molecular weight of about 300,000 to less than 1,000,000 and an average particle size of about 5 microns to about 500 microns or (2) a molecular weight of about 1,000,000 to about 6,000,000 and an average particle size of about 200 microns to about 500 microns;disposing a release wrapper as a liner of the mold cavity;heating at least a portion of the matrix material to about 175° C. to about 300° C., so as to bind the matrix material at a plurality of contact points thereby forming a porous mass length having an encapsulated pressure drop of about 10 mm of H2O/mm of porous mass length or less; andcutting the porous mass length radially thereby yielding a porous mass. 15. A method comprising: continuously introducing a matrix material into a mold cavity, the matrix material comprising a nanoparticle;disposing a release wrapper as a liner of the mold cavity; heating at least a portion of the matrix material to about 175° C. to about 300° C., so as to bind the matrix material at a plurality of contact points thereby forming a porous mass length, wherein heating includes a secondary radiation from the nanoparticle produced by exposing the nanoparticle to an electromagnetic radiation; and cutting the porous mass length radially thereby yielding a porous mass.
Steiner Thomas L. (Charlotte NC) Domeshek Kenneth A. (Matthews NC) Stitt William (Pineville NC) Riley Jesse L. (Charlotte NC) Deutsch Lance J. (Charlotte NC), Cellulose ester microparticles and process for making the same.
Lauenstein, Michael; Boido, Dante M.; Aeschlimann, Reynald M., Filter, smoking articles containing the same, filter strands and methods and devices for producing filters and smoking articles of this type.
Mays David L. ; Goldberg Ira B. ; Hollingsworth Charles S., Method and apparatus for measuring the density of a substance having free water compensation.
Steiner Thomas L. (Charlotte NC) Domeshek Kenneth A. (Matthews NC) Stitt William (Pineville NC) Riley Jesse L. (Charlotte NC) Deutsch Lance J. (Charlotte NC), Process for making cellulose ester microparticles.
Degen Peter J. (Huntington NY) Gsell Thomas C. (Glen Cove NY), Self-supporting structures containing immobilized carbon particles and method for forming same.
Garrett, Thomas S.; Gou, Zeming; Kizer, Lawton E.; Robertson, Raymond M., Apparatuses, systems, and associated methods for forming porous masses for smoke filter.
Garrett, Thomas S.; Gou, Zeming; Kizer, Lawton E.; Robertson, Raymond M., Apparatuses, systems, and associated methods for forming porous masses for smoke filter.
Garrett, Thomas S.; Gou, Zeming; Kizer, Lawton E.; Robertson, Raymond M., Apparatuses, systems, and associated methods for forming porous masses for smoke filter.
Burke, Peter; Gusik, Meinhard; Hufen, Julia; Jimenez, Luis; Robertson, Raymond; Srinivasan, Ramesh, Tobacco smoke filter for smoking device with porous mass of active particulate.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.