KR870006262A - 수압적으로 얽힌 ptfe/유리 필터 펠트 - Google Patents

수압적으로 얽힌 ptfe/유리 필터 펠트 Download PDF

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KR870006262A
KR870006262A KR860010685A KR860010685A KR870006262A KR 870006262 A KR870006262 A KR 870006262A KR 860010685 A KR860010685 A KR 860010685A KR 860010685 A KR860010685 A KR 860010685A KR 870006262 A KR870006262 A KR 870006262A
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felt
scrim
sheet
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weight
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에드가 프랑켄버그 피터
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도날드 에이. 호오스
이. 아이. 듀퐁 드 네모아 앤드 캄파니
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/083—Filter cloth, i.e. woven, knitted or interlaced material of organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/08—Filter cloth, i.e. woven, knitted or interlaced material
    • B01D39/086—Filter cloth, i.e. woven, knitted or interlaced material of inorganic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
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    • B01D39/2003—Glass or glassy material
    • B01D39/2017—Glass or glassy material the material being filamentary or fibrous
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2027—Metallic material
    • B01D39/2041—Metallic material the material being filamentary or fibrous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
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    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
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    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/498—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres entanglement of layered webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/04—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles
    • D04H3/045—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles for net manufacturing
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    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0457—Specific fire retardant or heat resistant properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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    • B01D2239/064—The fibres being mixed
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B01D2239/0654—Support layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
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    • B01D2239/1291—Other parameters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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    • Y10S55/00—Gas separation
    • Y10S55/05—Methods of making filter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Filtering Materials (AREA)
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Abstract

내용 없음

Description

수압적으로 얽힌 PTFE/유리 필터 펠트
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 펠트를 나타낸 개요도이다.

Claims (31)

  1. 필라멘트당 선밀도가 0.2 내지 1.5 dtex인 유리섬유 5 내지 60중량% 및 필라멘트당 선형밀도가 3 내지 8dtex인 폴리(테트라플루오로에틸렌) 40 내지 95중량%를 함유하며 지지 스크림 내에 수압적으로 얽힌, 균일하게 분산된 쉬이트-상 구조물로 이루어진 필터용으로 적합한 기본중량이 150 내지 600g/㎡인 펠트.
  2. 제1항에 있어서, 스크림이 200℃ 이하에서 약 5% 미만의 낮은 수축율을 갖는 고온 저항성 및 내화학성물질로 이루어진 펠트.
  3. 제2항에 있어서, 스크림이 산 및 알칼리에 대해서 상당히 안정한 물질로 이루어진 펠트.
  4. 제3항에 있어서, 스크림이 폴리이미드 물질로 이루어진 펠트.
  5. 제3항에 있어서, 스크림이 폴리(테트라플루오로에틸렌)으로 이루어진 펠트.
  6. 제3항에 있어서, 스크림이 유리 섬유로 이루어진 펠트.
  7. 제3항에 있어서, 스크림이 스텐인레스 스틸로 이루어진 펠트.
  8. 제3항에 있어서, 스크림이 폴리페닐렌 설파이드로 이루어진 펠트.
  9. 제6항에 있어서, 펠트의 밀도와 유리 %의 곱이 14 이상인 펠트.
  10. 제1항에 있어서, 쉬이트-상 구조물이 웹이고, 쉬이트-상 구조물 내의 섬유길이가 2 내지 10cm인 펠트.
  11. 제10항에 있어서, 쉬이트-상 구조물 내의 유리의 중량%가 40% 미만인 펠트.
  12. 제11항에 있어서, 섬유의 인발(pull out)%가 10% 미만인 펠트.
  13. 제11항에 있어서, 테이버 마모 시험 결과가 기초 중량 g/㎡당 10사이클 이상인 펠트.
  14. 제1항에 있어서, 쉬이트-상 구조물이 워터리프이고, 쉬이트-상 구조물 내의 섬유길이가 2cm 미만인 펠트.
  15. 제14항에 있어서, 쉬이트-상 구조물 내의 유리의 중량%가 35% 미만인 펠트.
  16. 제15항에 있어서, 섬유의 인발%가 20% 미만인 펠트.
  17. 제16항에 있어서, 테이버 마모시험 결과가 기본중량 g/㎡당 2사이클 이상인 펠트.
  18. 제14항에 있어서, 쉬이트-상 구조물 내의 유리의 중량%가 35 내지 60%인 펠트.
  19. 제18항에 있어서, 섬유의 인발%가 60% 미만인 펠트.
  20. 제19항에 있어서, 테이버 마모시험 결과가 기본중량 g/㎡당 1사이클 이상인 펠트.
  21. (a) 유리섬유 5 내지 60중량%를 폴리(테트라플루오로에틸렌) 40 내지 95중량%와 혼합하고, (b) 쉬이트-상 구조물을 형성시키며, (c) 쉬이트-상 구조물을 지지 스크림에 수압적으로 얽히게함을 특징으로 하여, 제 1 항의 펠트를 제조하는 방법.
  22. 제21항에 있어서, 쉬이트-상 구조물이 웹인 방법.
  23. 제21항에 있어서, 쉬이트-상 구조물이 워터리프인 방법.
  24. 제21항에 있어서, 스크림이 200℃ 이하에서 5% 미만의 저수축율을 갖는 고온 저항성 및 내화학성 물질로 구성된 방법.
  25. 제24항에 있어서, 스크림이 산 및 알칼리에 대해서 상당히 안정한 물질로 이루어진 방법.
  26. 제25항에 있어서, 스크림이 폴리(테트라플루오로에틸렌)으로 이루어진 방법.
  27. 제25항에 있어서, 스크림이 유리섬유로 이루어진 방법.
  28. 제25항에 있어서, 스크림이 폴리페닐렌설파이드로 이루어진 방법.
  29. 제25항에 있어서, 스크림이 스텐인레스 스틸로 이루어진 방법.
  30. 제25항에 있어서, 스크림이 폴리이미드 물질로 이루어진 방법.
  31. 제26항에 있어서, 추가로 230 내지 325℃에서 텐티 프레임상에서 적어도 2분간 열고정시키는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019860010685A 1985-12-13 1986-12-13 수압교락된 ptfe/유리 여과기 펠트 KR930010352B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US06/808,752 US4612237A (en) 1985-12-13 1985-12-13 Hydraulically entangled PTFE/glass filter felt
US808,752 1985-12-13
US808.752 1985-12-13

Publications (2)

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KR870006262A true KR870006262A (ko) 1987-07-10
KR930010352B1 KR930010352B1 (ko) 1993-10-16

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KR1019860010685A KR930010352B1 (ko) 1985-12-13 1986-12-13 수압교락된 ptfe/유리 여과기 펠트

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US (1) US4612237A (ko)
EP (1) EP0226471B1 (ko)
JP (1) JPH07108363B2 (ko)
KR (1) KR930010352B1 (ko)
CA (1) CA1291713C (ko)
DE (1) DE3687638T2 (ko)

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Also Published As

Publication number Publication date
DE3687638T2 (de) 1993-06-09
JPS62140615A (ja) 1987-06-24
EP0226471A3 (en) 1989-11-15
CA1291713C (en) 1991-11-05
US4612237A (en) 1986-09-16
EP0226471A2 (en) 1987-06-24
JPH07108363B2 (ja) 1995-11-22
EP0226471B1 (en) 1993-01-27
KR930010352B1 (ko) 1993-10-16
DE3687638D1 (de) 1993-03-11

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