UA89533C2 - Багатошаровий нетканий звукопоглинальний матеріал - Google Patents

Багатошаровий нетканий звукопоглинальний матеріал Download PDF

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Publication number
UA89533C2
UA89533C2 UAA200712383A UAA200712383A UA89533C2 UA 89533 C2 UA89533 C2 UA 89533C2 UA A200712383 A UAA200712383 A UA A200712383A UA A200712383 A UAA200712383 A UA A200712383A UA 89533 C2 UA89533 C2 UA 89533C2
Authority
UA
Ukraine
Prior art keywords
layer
nanofibers
sound
specific weight
curve
Prior art date
Application number
UAA200712383A
Other languages
English (en)
Russian (ru)
Ukrainian (uk)
Inventor
Клара Калинова
Филип Санетрник
Олдрих Иржак
Ладислав Марес
Original Assignee
Элмарко, С.Р.О
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 Элмарко, С.Р.О filed Critical Элмарко, С.Р.О
Publication of UA89533C2 publication Critical patent/UA89533C2/uk

Links

Classifications

    • 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
    • B32B5/02—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 structural features of a fibrous or filamentary layer
    • 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
    • B32B5/02—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 structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • 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
    • B32B5/02—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 structural features of a fibrous or filamentary layer
    • B32B5/08—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 structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • 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
    • B32B5/24—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 one layer being a fibrous or filamentary layer
    • B32B5/26—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 one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/0007—Electro-spinning
    • D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
    • D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
    • D01D5/0084—Coating by electro-spinning, i.e. the electro-spun fibres are not removed from the collecting device but remain integral with it, e.g. coating of prostheses
    • 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
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/728—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by electro-spinning
    • 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
    • D04H13/00—Other non-woven fabrics
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/162—Selection of materials
    • G10K11/168—Plural layers of different materials, e.g. sandwiches
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/20—All layers being fibrous or filamentary
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • 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
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/12—Conjugate fibres, e.g. core/sheath or side-by-side
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B32B2307/102—Insulating
    • 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
    • B32B2419/00—Buildings or parts thereof
    • 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
    • B32B2605/00—Vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Laminated Bodies (AREA)
  • Nonwoven Fabrics (AREA)
  • Building Environments (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
UAA200712383A 2005-04-11 2006-10-04 Багатошаровий нетканий звукопоглинальний матеріал UA89533C2 (uk)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CZ20050226A CZ2005226A3 (cs) 2005-04-11 2005-04-11 Vrstvená zvukove pohltivá netkaná textilie

Publications (1)

Publication Number Publication Date
UA89533C2 true UA89533C2 (uk) 2010-02-10

Family

ID=36698795

Family Applications (1)

Application Number Title Priority Date Filing Date
UAA200712383A UA89533C2 (uk) 2005-04-11 2006-10-04 Багатошаровий нетканий звукопоглинальний матеріал

Country Status (12)

Country Link
US (1) US20080173497A1 (zh)
EP (1) EP1869239A2 (zh)
JP (1) JP2008537798A (zh)
KR (1) KR20080004481A (zh)
CN (1) CN101189381A (zh)
AU (1) AU2006233442A1 (zh)
CA (1) CA2601813A1 (zh)
CZ (1) CZ2005226A3 (zh)
EA (1) EA011173B1 (zh)
TW (1) TW200706356A (zh)
UA (1) UA89533C2 (zh)
WO (1) WO2006108363A2 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10845306B2 (en) 2017-08-21 2020-11-24 Saudi Arabian Oil Company Determining composition of a sample
US10845307B2 (en) 2017-08-21 2020-11-24 Saudi Arabian Oil Company Determining composition of a sample

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7757811B2 (en) * 2005-10-19 2010-07-20 3M Innovative Properties Company Multilayer articles having acoustical absorbance properties and methods of making and using the same
JP4635847B2 (ja) * 2005-11-30 2011-02-23 トヨタ紡織株式会社 防音材
FR2905956A1 (fr) * 2006-09-15 2008-03-21 Asselin Thibeau Soc Par Action Procede et installation pour fabriquer un textile comportant des intercouches, et dispositif s'y rapportant.
CZ200727A3 (cs) * 2007-01-11 2008-07-23 Elmarco, S. R. O. Zpusob výroby vrstvené zvukove pohltivé netkané textilie
ES2592433T3 (es) 2007-11-20 2016-11-30 Elmarco S.R.O. Medios de filtración, fibras finas de menos de 100 nanofibras, y métodos
US7967588B2 (en) 2007-11-20 2011-06-28 Clarcor Inc. Fine fiber electro-spinning equipment, filter media systems and methods
US7815427B2 (en) 2007-11-20 2010-10-19 Clarcor, Inc. Apparatus and method for reducing solvent loss for electro-spinning of fine fibers
DE102008025840A1 (de) 2008-05-29 2009-12-03 Volkswagen Ag Vorrichtung zur Schalldämpfung und Schalldämmung
JP5390245B2 (ja) * 2009-04-17 2014-01-15 帝人株式会社 吸音材および吸音複合材
US8974198B2 (en) 2009-08-10 2015-03-10 Emerson Climate Technologies, Inc. Compressor having counterweight cover
US20110210060A1 (en) 2010-02-26 2011-09-01 Clarcor Inc. Expanded composite filter media including nanofiber matrix and method
CN101807394A (zh) * 2010-04-13 2010-08-18 王艳 一种微纳米纤维复合的层状吸音材料
US8496088B2 (en) 2011-11-09 2013-07-30 Milliken & Company Acoustic composite
US9153225B2 (en) 2011-12-16 2015-10-06 Emerson Climate Technologies, Inc. Sound enclosure for enclosing a compressor assembly
JP5876381B2 (ja) * 2012-06-21 2016-03-02 名古屋油化株式会社 遮音吸音材料
US9186608B2 (en) 2012-09-26 2015-11-17 Milliken & Company Process for forming a high efficiency nanofiber filter
CZ304656B6 (cs) * 2013-01-18 2014-08-20 Technická univerzita v Liberci Zvukově pohltivý prostředek obsahující alespoň jednu akustickou rezonanční membránu tvořenou vrstvou polymerních nanovláken
CZ201335A3 (cs) * 2013-01-18 2014-08-20 Technická univerzita v Liberci Zvukově pohltivý prostředek obsahující alespoň jeden dutinový rezonátor
MX2017011285A (es) 2015-03-12 2018-01-23 Toray Industries Tela no tejida laminada.
DE102015209105A1 (de) 2015-05-19 2016-11-24 Hp Pelzer Holding Gmbh Leichtes akustisches Bauteil
NZ737183A (en) 2015-05-25 2024-01-26 Dotterel Tech Limited A shroud for an aircraft
JPWO2017006993A1 (ja) * 2015-07-08 2018-04-19 名古屋油化株式会社 表皮材シート及びその製造方法並びに吸音材
US10540952B2 (en) * 2016-03-30 2020-01-21 Maryam Mohammadi Gojani Sound absorbing structure including nanofibers
CN106048885B (zh) * 2016-06-28 2018-06-19 华南理工大学 一种纤维素纤维和纳米纤维复合隔音材料及其制备方法
CN106149197B (zh) * 2016-06-28 2018-10-09 华南理工大学 一种杂化结构可全生物降解复合隔音材料及其制备方法
WO2018075654A1 (en) * 2016-10-21 2018-04-26 Board Of Regents, The University Of Texas System Noise-absorbent and odor-adsorbent fabric cover systems for vehicle interiors
JP2018124512A (ja) 2017-02-03 2018-08-09 Jnc株式会社 極細繊維を含む積層吸音材
JP6856888B2 (ja) * 2017-03-30 2021-04-14 Jnc株式会社 極細繊維を含む積層吸音材
WO2019022618A1 (en) 2017-07-24 2019-01-31 Dotterel Technologies Limited ENVELOPE
JP2019111714A (ja) 2017-12-22 2019-07-11 Jnc株式会社 積層吸音材
JP6660035B2 (ja) 2018-03-08 2020-03-04 Jnc株式会社 積層吸音材
CN108859362B (zh) * 2018-05-25 2021-01-01 南通大学 一种多层宽频吸声隔音材料及其制备方法
JP6642811B2 (ja) 2018-08-02 2020-02-12 Jnc株式会社 積層吸音材
CN111300919A (zh) * 2020-03-05 2020-06-19 无锡吉兴汽车声学部件科技有限公司 一种吸声内饰及其应用
US11958308B1 (en) 2023-05-31 2024-04-16 G13 Innovation In Production Ltd Thermal paper, and methods and systems for forming the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69529768T2 (de) * 1995-10-06 2004-03-18 Nippon Petrochemicals Co., Ltd. Verfahren und herstellung zur hydroverwirrung von vliesstoffen
US20040092185A1 (en) * 2002-11-13 2004-05-13 Grafe Timothy H. Wipe material with nanofiber layer
US7008465B2 (en) * 2003-06-19 2006-03-07 Donaldson Company, Inc. Cleanable high efficiency filter media structure and applications for use
CN100442034C (zh) * 2003-08-25 2008-12-10 高安株式会社 吸声材料
KR100843520B1 (ko) * 2004-04-19 2008-07-03 더 프록터 앤드 갬블 캄파니 장벽으로 사용하기 위한 나노섬유를 함유하는 용품

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10845306B2 (en) 2017-08-21 2020-11-24 Saudi Arabian Oil Company Determining composition of a sample
US10845307B2 (en) 2017-08-21 2020-11-24 Saudi Arabian Oil Company Determining composition of a sample
US11726038B2 (en) 2017-08-21 2023-08-15 Saudi Arabian Oil Company Determining composition of a sample
US11733163B2 (en) 2017-08-21 2023-08-22 Saudi Arabian Oil Company Determining composition of a sample

Also Published As

Publication number Publication date
CN101189381A (zh) 2008-05-28
JP2008537798A (ja) 2008-09-25
KR20080004481A (ko) 2008-01-09
WO2006108363B1 (en) 2007-01-11
EA011173B1 (ru) 2009-02-27
EP1869239A2 (en) 2007-12-26
TW200706356A (en) 2007-02-16
CZ2005226A3 (cs) 2006-11-15
AU2006233442A1 (en) 2006-10-19
WO2006108363A3 (en) 2006-11-30
WO2006108363A2 (en) 2006-10-19
EA200702133A1 (ru) 2008-02-28
CA2601813A1 (en) 2006-10-19
US20080173497A1 (en) 2008-07-24

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