DE1769321B2 - Filtermaterial aus Polyurethan und Verfahren zu dessen Herstellung - Google Patents

Filtermaterial aus Polyurethan und Verfahren zu dessen Herstellung

Info

Publication number
DE1769321B2
DE1769321B2 DE19681769321 DE1769321A DE1769321B2 DE 1769321 B2 DE1769321 B2 DE 1769321B2 DE 19681769321 DE19681769321 DE 19681769321 DE 1769321 A DE1769321 A DE 1769321A DE 1769321 B2 DE1769321 B2 DE 1769321B2
Authority
DE
Germany
Prior art keywords
filter
polyurethane
smoke
filter material
foam
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE19681769321
Other languages
German (de)
English (en)
Other versions
DE1769321A1 (de
Inventor
Robert Louis River Vale N.J. Strickman (V.St.A.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert L Strickman Foundation Inc New York Ny (vsta)
Original Assignee
Robert L Strickman Foundation Inc New York Ny (vsta)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert L Strickman Foundation Inc New York Ny (vsta) filed Critical Robert L Strickman Foundation Inc New York Ny (vsta)
Publication of DE1769321A1 publication Critical patent/DE1769321A1/de
Publication of DE1769321B2 publication Critical patent/DE1769321B2/de
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/12Powdering or granulating
    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24DCIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06Use of materials for tobacco smoke filters
    • A24D3/08Use of materials for tobacco smoke filters of organic materials as carrier or major constituent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/02Loose filtering material, e.g. loose fibres
    • B01D39/04Organic material, e.g. cellulose, cotton
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/16Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1638Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being particulate
    • B01D39/1653Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being particulate of synthetic origin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • B01D39/16Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1669Cellular material
    • B01D39/1676Cellular material of synthetic origin
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2375/00Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
    • C08J2375/04Polyurethanes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
DE19681769321 1968-04-11 1968-05-08 Filtermaterial aus Polyurethan und Verfahren zu dessen Herstellung Withdrawn DE1769321B2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72156368A 1968-04-11 1968-04-11

Publications (2)

Publication Number Publication Date
DE1769321A1 DE1769321A1 (de) 1970-11-05
DE1769321B2 true DE1769321B2 (de) 1975-11-06

Family

ID=24898460

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19681769321 Withdrawn DE1769321B2 (de) 1968-04-11 1968-05-08 Filtermaterial aus Polyurethan und Verfahren zu dessen Herstellung

Country Status (6)

Country Link
JP (1) JPS5010959A (en))
BE (1) BE714749A (en))
DE (1) DE1769321B2 (en))
GB (1) GB1194492A (en))
LU (1) LU56037A1 (en))
NL (1) NL6806446A (en))

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1106100A (en) * 1977-09-15 1981-07-28 Max Klein Micro-bits of expanded flexible polyurethanes
US4304873A (en) 1977-09-15 1981-12-08 Max Klein Preparation of expanded flexible polyurethane foam micro-bits
RU2768552C2 (ru) * 2016-12-29 2022-03-24 Филип Моррис Продактс С.А. Фильтр курительного изделия с аморфным карбонатом магния
CN113234206B (zh) * 2021-04-21 2022-08-16 深圳市真味生物科技有限公司 一种电子烟雾化芯材料及其制备方法
CN116731272A (zh) * 2023-06-14 2023-09-12 云南中烟工业有限责任公司 一种酸性鼻后烟气吸附材料的制备方法及应用

Also Published As

Publication number Publication date
LU56037A1 (en)) 1969-03-20
GB1194492A (en) 1970-06-10
BE714749A (en)) 1968-11-07
JPS5010959A (en)) 1975-02-04
NL6806446A (en)) 1969-11-11
DE1769321A1 (de) 1970-11-05

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