TR201809297T4 - Cam elyaf ile geliştirilmiş mineral yün esaslı akustik levha. - Google Patents

Cam elyaf ile geliştirilmiş mineral yün esaslı akustik levha. Download PDF

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Publication number
TR201809297T4
TR201809297T4 TR2018/09297T TR201809297T TR201809297T4 TR 201809297 T4 TR201809297 T4 TR 201809297T4 TR 2018/09297 T TR2018/09297 T TR 2018/09297T TR 201809297 T TR201809297 T TR 201809297T TR 201809297 T4 TR201809297 T4 TR 201809297T4
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Turkey
Prior art keywords
fiber
glass fiber
nrc
staple
mineral
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TR2018/09297T
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English (en)
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A Frank William
L Rosenstiel Terry
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Usg Interiors Llc
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Publication of TR201809297T4 publication Critical patent/TR201809297T4/tr

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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/36—Inorganic fibres or flakes
    • D21H13/38—Inorganic fibres or flakes siliceous
    • D21H13/40—Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass fibres
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • D21H17/375—Poly(meth)acrylamide
    • 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
    • D04H1/04—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres
    • D04H1/08—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres and hardened by felting; Felts or felted products
    • D04H1/10—Felts made from mixtures of fibres
    • D04H1/14—Felts made from mixtures of fibres and incorporating inorganic fibres
    • 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
    • D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • D04H1/4218—Glass fibres
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675—Oxides, hydroxides or carbonates
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06—Controlling the addition
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
    • Y10T428/249925—Fiber-containing wood product [e.g., hardboard, lumber, or wood board, etc.]
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
    • Y10T428/249986—Void-containing component contains also a solid fiber or solid particle

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nonwoven Fabrics (AREA)
  • Building Environments (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Laminated Bodies (AREA)
  • Architecture (AREA)
  • Paper (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)

Abstract

Kuru ağırlık bazında %50 veya daha fazla mineral yün lifi camsı malzeme, %9'dan az bağlayıcı ve %5 ila 20 arasında kesikli cam elyaf ve isteğe bağlı olarak az miktarda diğer bileşenleri içeren bir akustik tavan levhasına yönelik bir sulu serme alt kaplamadır, bu şekilde kesikli cam elyaflar, kuru alt kaplama ayak küp başına yaklaşık 7 1/2 ila yaklaşık 10 1/2 lbs. Yoğunluğa ve büyük ölçüde 0.55'ten büyük bir NRC'ye sahip olacak şekilde, keçedeki boşlukları artırmak ve/veya sürdürmek üzere fonksiyon sağlar.

Description

TARIFNAME CAM ELYAF iLE GELISTIRILMIS MINERAL YÜN ESASLI AKUSTIK LEVHA BULU UN ALT YAPISI Bulus, özellikle asma tavanlarda kullanima uygun olan akustik levhalar ile ilgilidir. ÖNCEKI TEKNIK Mineral elyaf esasli tavan levhalari uzun süredir mevcuttur. Bu tür levhalar veya paneller klasik olarak, mineral yünün seyreltik aköz dagilmasini keçelestiren su yoluyla yapilir. Bu proseste mineral yünün, baglayicinin ve istendigi veya gerekli görüldügü gibi az miktarda diger içerik maddelerinin aköz bir harci, su gidermeye yönelik olarak, Fourdrinier veya Oliver keçe olusturma makinesinde oldugu gibi hareketli bir küçük delikli destek teline akitilir. Harcin, ilk olarak yer çekimi yoluyla suyu alinabilir ve ardindan, alt kaplamayi olusturmak üzere vakumlu emme yoluyla suyu alinir; islak alt kaplama silindir veya bir gezer köprülü tel ile destek teli arasinda, ilave suyu ortadan kaldirmak üzere istenen kalinliga baskilanir. Baskilanan alt kaplama ardindan, isitilmis kurutma firinlarinda kurutulur ve kuruyan materyal, istenen boyutlara kesilir ve istege bagli olarak kumlanir ve/veya üst kismi kaplanir veya yapisir sekilde bagli olan cam elyaf örtü ile kaplanir ve son olarak tamamlanmis akustik tavan levha veya panellerini üretmek üzere boyanir.
Su ile keçelestirilen mineral yün esasli akustik tavan levhalarinin üretimi, düsük hammadde maliyetleri nedeniyle nispeten ekonomiktir, bunlar yaklasik .55. gibi nispeten düsük NRC (Gürültü Azalta Katsayisi) degeri gösterir. Uzun süredir, gelistirilmis NRC (Gürültü Azalta Katsayisi) degerine sahip mineral elyaf esasli akustik taban levhalarinin üretilmesi istenmektedir. bütadin reçine içeren baglayici materyal ve bir reçineye bagli agirlikça yaklasik %10-30 cam tekstil elyaflari içeren elyaflarin bir karisimini bulunduran bir cam lifli keçeyi açiklar.
BULUSUN KISA AÇIKLAMASI Bulus, gelistirilmis NRC (Gürültü Azaltma Katsayisi) saglayan ve mevcut imkanlar ve klasik islemler ile üretilebilen bir mineral yün esasli suyla keçelestirilen akustik tavan levhasini saglar.
Bulus, tercihen belirli karakteristik özelliklere sahip siradan islak kullanilan kesikli elyaf, WUCS, cam elyafin, tipik bir ürün formülasyonunda mineral elyafa yönelik olarak çok az miktarlarda sübstitüe edilebilir. Sübstitüe sonucu, alt kaplamada ara boslukta sasirtici bir artis olur. Bu ara bosluk, yogunluktaki önemli artisi ve ilgili olarak porozitede ve sonuç olarak ses absorpsiyonunda bir artisi temsil eder.
Bulus, bu Ievhalarin performansini akustik Ievhalarin spektrumunun yüksek ucunda tutarak, .55,ten önemli ölçüde büyük ve .959 kadar veya daha fazla olan NRC (Gürültü Azaltma Katsayisi) degerini elde edebilen nispeten düsük yogunluklu, nispeten kalin akustik panellerin üretimini saglar.
Bulus niteligindeki panelin gövdesi, panel gövdesi üzerine rastgele dagilmis olan kompozit elyaflar arasindaki ortalama ara yer bosluklara nazaran genis olan bosluklarin bulunmasi ile karakterize edilir. Bazi mekanizmalari açisindan tam anlasilmamis olan bu bosluklar, cam elyafin mevcut olmasi ile olusturulur. Bosluk popülasyonunun alt kaplama formülasyonundaki cam elyaf sayisina orantili oldugu görülür. Elyaf uzunlugu ve elyaf yariçapinin bosluklarin basarili bir biçimde olusturulmasindaki ek faktörler oldugu görülür.
SEKILLERIN KISA AÇIKLAMASI SEKIL 1, standart bir formülasyona sahip bir akustik panelin bir kesitinin fotomikrografidir; SEKIL 2, %5 kesikli cam elyaf liflerini içeren modifiye edilen bir formülasyona sahip bir kesitin bir fotomikrografidir; SEKIL 3, %10 kesikli cam elyaf liflerini içeren modifiye edilen bir formülasyona sahip bir kesitin bir fotomikrografidir ve SEKIL 4, %20 kesikli cam elyaf liflerini içeren modifiye edilen bir formülasyona sahip bir kesitin bir fotomikrografidir.
TERCIH EDILEN DÜZENLEMENIN AÇIKLAMASI Bulusa göre akustik bir levha veya panel alt kaplamasi, seyreltik bir sulu harçtaki bilesenlerin tam olarak karistirilmasi yoluyla üretilir. Genel klasik proseste harç, bir alt kaplama tabakasi olusturmak üzere bir döner elek veya destek teli üzerinden dagitilir.
Elek ve bir emme vakumunun uygulanmasi yoluyla tabakanin suyu tahliye edilir.
Ardindan keçe, bir kaplama silindiri veya döner elek ile tasima elegi arasinda hafifçe baskilanir. Bunun ardindan baskilanan alt kaplama. bir firinda kurutulur ve bitmis dikdörtgen bir boyuta kesilir. Alt kaplamanin yüzeyi, ögütme, lamine etme ve/veya boyama gibi klasik teknikler ile tamamlanabilir.
Bulus, standart miktardaki bir mineral yün elyafin bir parçasina yönelik sübstitüe eden kesikli cam elyaf ile geleneksel mineral elyaf esasli alt kaplama formülasyonlarindan ayrilir. Kesikli cam elyaf örnegin, piyasada mevcut olan islak kullanimli kesikli elyaf (WUCS) materyalden yapilir.
SEKIL 1, genel olarak klasik mineral elyaf esasli formülasyon ile yapilan bir akustik tavan levhasinin bir parçasinin bir kesitini gösterir. Asagidaki tablo, bu klasik formülün bilesenlerini yansitir. ÖNCEKI TEKNIK GENEL ALT KAPLAMA FORMÜLASYONU Fonksiyon 224 ila 264 kg/m3 (ayak küp Yogunluk basina 14 ila 16.5 lbs.) Keçe Kalinligi 0.780 inç) Saglamlastirici/Gövde Amyant Fiber >%75 fiber Akrilat Polimer

Claims (1)

ISTEMLER Bir akustik tavan Ievhasina yönelik bir sulu serme alt kaplama olup, kuru agirlik bazinda %50 veya daha fazla mineral yün lifi camsi malzeme, %9'dan az baglayici ve %5 ila 20 arasinda kesikli cam elyaf ve istege bagli olarak az miktarda diger bilesenleri içerir, özelligi kesikli elyaflarin nominal olarak 6.4 - 12.7 mm (1/4 inç ve
1/2 inç) boyunda olmasi ve söz konusu elyaflarin 13.5 mikron ile 16.5 mikron arasinda nominal çaplara sahip olmasi, bu sekilde kuru alt kaplamanin, 120 ila 168 ölçüde büyük bir NRC'ye (Gürültü Azaltma Katsayisi) sahip olmasidir. Istem 1'de ortaya konuldugu gibi bir 3qu serme alt kaplama olup, özelligi yaklasik .95 NRC'ye (Gürültü Azaltma Katsayisi) sahip olmasidir.
TR2018/09297T 2013-07-05 2014-06-30 Cam elyaf ile geliştirilmiş mineral yün esaslı akustik levha. TR201809297T4 (tr)

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US13/935,597 US8734613B1 (en) 2013-07-05 2013-07-05 Glass fiber enhanced mineral wool based acoustical tile

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US (1) US8734613B1 (tr)
EP (1) EP3017101B1 (tr)
JP (1) JP6144415B2 (tr)
CN (1) CN105358753B (tr)
AU (1) AU2014284550B2 (tr)
BR (1) BR112016000065B1 (tr)
CA (1) CA2916517C (tr)
DK (1) DK3017101T3 (tr)
ES (1) ES2675366T3 (tr)
MX (1) MX348929B (tr)
PL (1) PL3017101T3 (tr)
RU (1) RU2597590C1 (tr)
TR (1) TR201809297T4 (tr)
UA (1) UA113810C2 (tr)
WO (1) WO2015002866A1 (tr)

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US8734613B1 (en) 2014-05-27
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