JP6484554B2 - 難燃性布帛、その製造方法、及びそれを含む防火服 - Google Patents
難燃性布帛、その製造方法、及びそれを含む防火服 Download PDFInfo
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- JP6484554B2 JP6484554B2 JP2015532911A JP2015532911A JP6484554B2 JP 6484554 B2 JP6484554 B2 JP 6484554B2 JP 2015532911 A JP2015532911 A JP 2015532911A JP 2015532911 A JP2015532911 A JP 2015532911A JP 6484554 B2 JP6484554 B2 JP 6484554B2
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- flame retardant
- retardant fabric
- weight
- flame
- antimony
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/26—Polymers or copolymers of unsaturated carboxylic acids or derivatives thereof
- D06M2101/28—Acrylonitrile; Methacrylonitrile
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/30—Flame or heat resistance, fire retardancy properties
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2201/00—Cellulose-based fibres, e.g. vegetable fibres
- D10B2201/01—Natural vegetable fibres
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/10—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
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- Chemical Or Physical Treatment Of Fibers (AREA)
- Professional, Industrial, Or Sporting Protective Garments (AREA)
Description
<繊維>
アクリル系繊維として、アクリロニトリル50重量%と塩化ビニリデン49重量%及びスチレンスルホン酸ナトリウム1重量%からなるアクリル系共重合体で構成され、下記に示す含有量のアンチモン化合物を含有するアクリル系繊維を用いた。
アクリル系繊維A:繊維全体重量に対して三酸化アンチモン21重量%を含有するアクリル系繊維(繊度:2.2dtex、繊維長:38mm)
アクリル系繊維B:繊維全体重量に対して三酸化アンチモン3.8重量%を含有するアクリル系繊維(繊度:1.9dtex、繊維長:38mm)
アクリル系繊維C:繊維全体重量に対して三酸化アンチモン9.1重量%を含有するアクリル系繊維(繊度:1.7dtex、繊維長:38mm)
アクリル系繊維D:繊維全体重量に対して五酸化アンチモン4.8重量%を含有するアクリル系繊維(繊度:1.7dtex、繊維長38mm)
アクリル系繊維E:繊維全体重量に対して五酸化アンチモン7.0重量%を含有するアクリル系繊維(繊度:1.7dtex、繊維長38mm)
天然セルロース繊維として、市販の綿(中繊維綿)を用いた。
難燃性レーヨン繊維(FRレーヨン)として、レンチングFR(繊度:1.7dtex、繊維長40mm)を用いた。
<布帛の製造>
下記表1に示した原綿構成で天然セルロース繊維とアンチモン含有アクリル系繊維を混合し、リング紡績により紡績した。得られた紡績糸は、英式綿番手20番の混紡糸であった。該紡績糸を用いて、通常の製織方法により、下記表1に示した目付の綾織の織物(加工生地)を製造した。
<難燃化処理>
得られた加工生地について、リン系化合物を用い、ピロバテックス加工により難燃化処理を行った。まず、リン系化合物(商品名「ピロバテックスCP NEW」、ハンツマン製、N−メチロールジメチルホスホノプロピオン酸アミド)400g/L、架橋剤(商品名「ベッカミンJ−101」、DIC製、ヘキサメトキシメチロール型メラミン)60g/L、柔軟剤(商品名「ウルトラテックス FSA NEW」、ハンツマン社製、シリコン系柔軟剤)30g/L、85%リン酸20.7g/L、浸透剤(商品名「インバジンPBN」、ハンツマン社製)5ml/Lを含む難燃化処理液(加工薬剤)を調製した。布帛に難燃化処理液を十分浸透させた後、絞り率が80±2%となるように脱水機で難燃化処理液を絞った後、110℃で5分間前乾燥し、150℃で5分間熱処理した。その後、布帛を炭酸ナトリウム水溶液と水で洗浄し、過酸化水素水で中和を行い、水洗、脱水の後、タンブラー乾燥機を用いて60℃で30分間乾燥を行い、難燃性布帛を得た。
<布帛の製造>
下記表1に示した原綿構成で天然セルロース繊維とアンチモン含有アクリル系繊維を混合し、リング紡績により紡績した。得られた紡績糸は、英式綿番手20番の混紡糸であった。該紡績糸を用いて、通常の製織方法により、下記表1に示した目付の綾織の織物(加工生地)を製造した。
<難燃化処理>
加工生地を難燃化処理する加工薬剤(難燃化処理液)処方を下記表1に示したとおりにした以外は、実施例1の場合と同様にして難燃化処理を行い、難燃性布帛を得た。
固形分の付着量(重量%)=[(難燃性布帛の重量―加工生地の重量)/加工生地の重量]×100
アクリル系繊維A30重量部と、FRレーヨン(レンチングFR)70重量部からなる英式綿番手20番の紡績糸(混紡糸)を用いて、通常の製織方法により、目付240g/m2の綾織の織物(難燃性布帛)を製造した。
<布帛の製造>
下記表2に示した原綿構成で天然セルロース繊維とアンチモン含有アクリル系繊維を混合し、リング紡績により紡績した。得られた紡績糸は、英式綿番手20番の混紡糸であった。該紡績糸を用いて、通常の製造方法により、下記表2に示した目付の天竺編物(加工生地)を製造した。
<難燃化処理>
加工生地を難燃化処理する加工薬剤(難燃化処理液)処方を下記表2に示したとおりにした以外は、実施例1の場合と同様にして難燃化処理を行い、難燃性布帛を得た。
生地を10cm×10cmの枠に沿って切断し、重量を測定し、目付を算出した。
JIS L 1030の溶解法に従って難燃性布帛におけるアクリル系繊維の含有量を測定した。約1.0gの試料(難燃性布帛)を精秤し、試料重量の100倍量の50℃のジメチルホルムアミドで20分間かきまぜ、アクリル系繊維(アンチモン化合物を含有する)を溶解した。得られた混合物を吸引濾過後、漏斗上の残分を試料重量の100倍量の50℃のジメチルホルムアミドと試料重量の100倍量の50℃の温水で順次洗浄し、乾燥した。乾燥後の残分の重量を測定し、下記の式で難燃性布帛におけるアクリル系繊維の含有量を算出した。
難燃性布帛におけるアクリル系繊維の含有量(重量%)=[(試料の重量−乾燥後の残分の重量)/試料の重量]×100
JIS L 1030の溶解法に従って難燃性布帛におけるセルロース系繊維の含有量を測定する。約1.0gの試料(難燃性布帛)を精秤し、試料重量の100倍量の25℃の70%硫酸とともに共栓付三角フラスコ内で少なくとも10分間振とうしてセルロース系繊維(リン系化合物を含有する)を溶解した。得られた混合物を吸引濾過後、漏斗上の残分を試料重量の100倍量の25℃の70%硫酸と試料重量の100倍量の25℃の水で順次洗浄し、洗浄後の残分を試料重量の約50倍量の希アンモニア水(約1%)で中和し、再びこれを吸引濾過後、漏斗上の残分を水で洗浄して乾燥した。乾燥後の残分の重量を測定し、下記式によりセルロース系繊維の含有量を測定した。
難燃性布帛におけるセルロース系繊維の含有量(重量%)=[(試料の重量−乾燥後の残分の重量)/試料の重量]×100
難燃性布帛におけるアンチモンの含有量は蛍光X線装置(SIIナノテクノロジー社製「SEA2210A」)による蛍光X線分析方法で測定した。予め、アンチモン含有量が既知の標準試料を用いて、アンチモンの蛍光X線強度を測定し、検量線を作成した。次に、試料(難燃性布帛)におけるアンチモンの蛍光X線強度を測定し、検量線と照らし合わせることで試料(難燃性布帛)におけるアンチモンの含有量を算出した。
難燃性布帛におけるリンの含有量は蛍光X線装置(SIIナノテクノロジー社製「SEA2210A」)による蛍光X線分析方法で測定した。予め、リン含有量が既知の標準試料を用いて、リンの蛍光X線強度を測定し、検量線を作成した。次に、試料(難燃性布帛)におけるリンの蛍光X線強度を測定し、検量線と照らし合わせることで試料(難燃性布帛)におけるリンの含有量を算出した。
ASTM(米国材料試験協会)D6413−08に基づいた防炎性試験に従い、難燃性布帛の炭化部分の長さ(炭化長)を求めた。併せて、ASTM(米国材料試験協会)D6413−08に基づいた防炎性試験に従い、難燃性布帛の接炎後の残炎秒数及び残じん秒数も求めた。
ASTM D1424ペンジュラム法に基づいた引裂き強度試験に従い、難燃性布帛の引裂き強度を測定した。
難燃性布帛の風合いについて、以下に示す3段階の基準に沿って官能評価した。
A:布帛が柔らかく、しわになりにくい
B:布帛がやや柔らかく、ややごわつき感があり、しわになりやすい
C:布帛が硬く、ごわつき感があり、しわになりやすい
Claims (12)
- セルロース系繊維とアクリル系繊維を含む難燃性布帛であって、
前記セルロース系繊維は、リン系化合物を含有する天然セルロース繊維であり、
前記アクリル系繊維は、アンチモン化合物を含有し、
前記難燃性布帛は、難燃性布帛の全体重量に対して、アンチモンを含有するアクリル系繊維を14〜54重量%、アンチモンを1.7重量%以上、リンを0.3〜1.5重量%含み、
前記難燃性布帛は、目付が160g/m2以上であり、
ASTM D1424ペンジュラム法に基づいた引裂き強度試験によって測定した引裂き強度が1.5kgf以上であり、
ASTM D6413−08に基づいた難燃性試験によって測定した炭化長が4インチ以下であることを特徴とする難燃性布帛。 - 前記難燃性布帛は、難燃性布帛の全体重量に対して、アンチモンを含有するアクリル系繊維を18〜45重量%含む請求項1に記載の難燃性布帛。
- 前記難燃性布帛は、難燃性布帛の全体重量に対して、アンチモンを含有するアクリル系繊維を22〜35重量%含む請求項2に記載の難燃性布帛。
- 前記リン系化合物を含有する天然セルロース繊維において、リン系化合物はセルロース分子と結合している又は繊維中で不溶性ポリマーを形成している請求項1〜3のいずれか一項に記載の難燃性布帛。
- 前記アンチモンを含有するアクリル系繊維は、アンチモン化合物を繊維の全体重量に対して3.8〜33重量%含有する請求項1〜4のいずれか一項に記載の難燃性布帛。
- 前記アンチモン化合物は、三酸化アンチモン、四酸化アンチモン及び五酸化アンチモンからなる群から選ばれる1以上の化合物である請求項1〜5のいずれか一項に記載の難燃性布帛。
- 前記難燃性布帛は、難燃性布帛の全体重量に対して、リンを0.3〜1.1重量%含む請求項1〜6のいずれか1項に記載の難燃性布帛。
- 前記難燃性布帛は、目付が160〜280g/m2である請求項1〜7のいずれか1項に記載の難燃性布帛。
- 請求項1〜8のいずれか一項に記載の難燃性布帛の製造方法であって、
天然セルロース繊維と、アンチモン化合物を含有するアクリル系繊維を含む布帛をリン系化合物で難燃化処理することを特徴とする難燃性布帛の製造方法。 - 前記難燃化処理は、ピロバテックス加工法又はテトラキスヒドロキシアルキルホスホニウム塩を用いたアンモニアキュアリング法で行う請求項9に記載の難燃性布帛の製造方法。
- 前記リン系化合物は、N−メチロールホスホネート化合物又はテトラキスヒドロキシアルキルホスホニウム塩である請求項9又は10に記載の難燃性布帛の製造方法。
- 請求項1〜8のいずれか一項に記載の難燃性布帛を含むことを特徴とする防火服。
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CN100545343C (zh) * | 2007-02-15 | 2009-09-30 | 欧卫国 | 轻薄天然纤维材料的阻燃处理方法 |
US7713891B1 (en) | 2007-06-19 | 2010-05-11 | Milliken & Company | Flame resistant fabrics and process for making |
CN102378835B (zh) * | 2009-04-24 | 2013-12-18 | 日本毛织株式会社 | 防火性布料及使用了该布料的防火服 |
US8133584B2 (en) | 2010-04-08 | 2012-03-13 | E.I. Du Pont De Nemours And Company | Crystallized meta-aramid blends for flash fire and arc protection having improved comfort |
AT510909B1 (de) * | 2010-12-20 | 2013-04-15 | Chemiefaser Lenzing Ag | Flammgehemmte cellulosische man-made-fasern |
JP2012229509A (ja) | 2011-04-26 | 2012-11-22 | Teijin Techno Products Ltd | メタ型全芳香族ポリアミド繊維布帛 |
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JPWO2015025948A1 (ja) | 2017-03-02 |
EP3037574A4 (en) | 2017-03-29 |
EP3037574B1 (en) | 2019-05-29 |
BR112016002623A2 (pt) | 2017-08-01 |
US20160201236A1 (en) | 2016-07-14 |
TW201512476A (zh) | 2015-04-01 |
EP3037574A1 (en) | 2016-06-29 |
WO2015025948A1 (ja) | 2015-02-26 |
US10450679B2 (en) | 2019-10-22 |
BR112016002623B1 (pt) | 2021-11-03 |
CN105473775A (zh) | 2016-04-06 |
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