JP6420836B2 - 発泡法及び膨張法の組み合わせを用いて作製される低密度ポリウレタンフォームが取り付けられた織物 - Google Patents
発泡法及び膨張法の組み合わせを用いて作製される低密度ポリウレタンフォームが取り付けられた織物 Download PDFInfo
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- JP6420836B2 JP6420836B2 JP2016536302A JP2016536302A JP6420836B2 JP 6420836 B2 JP6420836 B2 JP 6420836B2 JP 2016536302 A JP2016536302 A JP 2016536302A JP 2016536302 A JP2016536302 A JP 2016536302A JP 6420836 B2 JP6420836 B2 JP 6420836B2
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- polyurethane
- foaming
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Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
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Description
a)1リットル当たり約250〜600グラムの密度を有する発泡ポリウレタン形成組成物であって、該ポリウレタン形成組成物が、少なくとも400のヒドロキシル当量を有する少なくとも1つのポリオールを含む1つ以上のポリオール、少なくとも400のヒドロキシル当量を有するポリオール(複数可)100重量部当たり0.25〜2部の水、少なくとも400のヒドロキシル当量を有するポリオール(複数可)100重量部当たり3〜10重量部の、−30〜40℃の沸点を有する物理的膨張剤、少なくとも400のヒドロキシル当量を有するポリオール(複数可)100重量部当たり100〜400重量部の充填剤、泡沫安定化界面活性剤、85〜130のイソシアネート指数を提供するのに十分な量の少なくとも1つのポリイソシアネート、及び該ポリウレタン形成組成物が少なくとも180秒のゲル化時間を有するような量のポリウレタン触媒を含む、発泡ポリウレタン形成組成物を形成することと、
b)少なくとも24インチ(61cm)の幅を有する織物の上面をわたる0.05〜0.75インチ(0.127〜1.9cm)の厚さの層へと未硬化の泡を形成することと、
c)発泡組成物が自由に上昇して、織物に結合された176グラム/リットル(11ポンド/立方フィート)以下の密度を有する発泡ポリウレタンクッションを形成することができるように、発泡組成物の層を、その上面が大気に開放された状態で硬化させることと、を含む。
実施例1:ポリオール混合物を、87% プロピレンオキシド及び13% エチレンオキシドの3000分子量の公称3官能性ランダムコポリマー48.3部、プロピレンオキシド及びエチレンオキシドの4800分子量の公称3官能性ブロックコポリマー40部、プロピレンオキシド及びエチレンオキシドの2000分子量の公称2官能性ブロックコポリマー10部、ジエチレングリコール4部、ヒマシ油1部、シリコーン泡沫安定化界面活性剤1.2部、粘度抑制剤1部、ポリエーテルポリオール中1% ジブチルスズスルフィド溶液2部、及び水1.8部から形成する。このポリオール混合物を、ブレンドが120°F(49℃)の温度に達するまで炭酸カルシウム粒子190部とブレンドする。得られた充填ポリオール混合物を約20℃まで冷却する。
較サンプルよりもはるかに耐久性があることを示した。負の値は、耐久性試験後の増加を
示す。それに対して、比較サンプルは、この試験において耐荷重性における非常に重大な
損失、特に、25%の圧入を示す。
上記の開示に基づく発明の例として、以下のものが挙げられる。
[1] クッションが裏打ちされた織物を製造するための方法であって、
a)1リットル当たり約250〜600グラムの密度を有する発泡ポリウレタン形成組成物であって、前記ポリウレタン形成組成物が、少なくとも400のヒドロキシル当量を有する少なくとも1つのポリオールを含む1つ以上のポリオール、少なくとも400のヒドロキシル当量を有するポリオール(複数可)100重量部当たり0.25〜2部の水、少なくとも400のヒドロキシル当量を有するポリオール(複数可)100重量部当たり3〜10重量部の、−30〜40℃の沸点を有する物理的膨張剤、少なくとも400のヒドロキシル当量を有するポリオール(複数可)100重量部当たり100〜400重量部の充填剤、泡沫安定化界面活性剤、85〜130のイソシアネート指数を提供するのに十分な量の少なくとも1つのポリイソシアネート、及び前記ポリウレタン形成組成物が少なくとも180秒のゲル化時間を有するような量のポリウレタン触媒を含む、発泡ポリウレタン形成組成物を形成することと、
b)少なくとも24インチ(61cm)の幅を有する織物の上面をわたる0.05〜0.75インチ(0.127〜1.9cm)の厚さの層へと未硬化の泡を形成することと、
c)前記発泡組成物が自由に上昇して、前記織物に結合された176グラム/リットル(11ポンド/立方フィート)以下の密度を有する発泡ポリウレタンクッションを形成することができるように、前記発泡組成物の層を、その上面が大気に開放された状態で硬化させることと、を含む、前記方法。
[2] 前記水の量が、少なくとも400のヒドロキシル当量を有するポリオール(複数可)100重量部当たり1〜1.8部である、[1]に記載の前記方法。
[3] 前記物理的膨張剤が、10〜30℃の沸点を有する、[1]または[2]に記載の前記方法。
[4] 前記物理的膨張剤の量が、少なくとも400のヒドロキシル当量を有するポリオール(複数可)100重量部当たり5〜8重量部である、[1]〜[3]のいずれかに記載の前記方法。
[5] 前記発泡ポリウレタンクッションが、96〜160g/Lの密度を有する、[1]〜[4]のいずれかに記載の前記方法。
[6] ステップa)が、前記ポリオール(複数可)及び前記充填剤を混合することと、前記ポリイソシアネート及び物理的膨張剤を別々の流れとして起泡装置に添加することによって、前記起泡ステップと同時に、前記ポリオール及び充填剤の混合物を、前記ポリイソシアネート及び前記物理的膨張剤と組み合わせることと、によって行われる、[1]〜[5]のいずれかに記載の前記方法。
[7] 前記水が、前記発泡ステップ後に添加される、[1]〜[6]のいずれかに記載の前記方法。
[8] ステップa)が、前記ポリオール(複数可)及び前記充填剤を混合することと、次いで前記ポリオール及び充填剤の混合物を前記ポリイソシアネートと組み合わせることと、次いで発泡と同時に前記物理的膨張剤及び水を添加することと、によって行われる、[1]〜[5]のいずれかに記載の前記方法。
[9] 前記触媒が、前記発泡ステップ後に添加される、[1]〜[8]のいずれかに記載の前記方法。
[10] ステップb)が、前記発泡ポリウレタン形成組成物を分与して、前記基板上に液だまりを形成することと、次いで前記層を標準寸法にするために前記液だまりをドクターブレードの下に通すことと、によって行われる、[1]〜[9]に記載の前記方法。
Claims (10)
- クッションが裏打ちされた織物を製造するための方法であって、
a)ポリウレタン形成組成物を発泡させて、1リットル当たり250〜600グラムの密度を有する未硬化の発泡体を形成する工程であって、前記ポリウレタン形成組成物が、
少なくとも400のヒドロキシル当量を有する少なくとも1つのポリオールを含む1つ以上のポリオール、
少なくとも400のヒドロキシル当量を有するポリオール(複数可)100重量部当たり0.25〜2部の水、
少なくとも400のヒドロキシル当量を有するポリオール(複数可)100重量部当たり3〜10重量部の、炭化水素、フッ化炭素、ヒドロフルオロカーボン、ヒドロフルオロクロロカーボンまたはジアルキルエーテルを含み、−30〜40℃の沸点を有する物理的膨張剤、
少なくとも400のヒドロキシル当量を有するポリオール(複数可)100重量部当たり100〜400重量部の充填剤、
泡沫安定化界面活性剤、
85〜130のイソシアネート指数を提供するのに十分な量の少なくとも1つのポリイソシアネート、及び
前記ポリウレタン形成組成物が少なくとも180秒のゲル化時間を有するような量のポリウレタン触媒
を含む、工程と、
b)前記未硬化の発泡体を、少なくとも24インチ(61cm)の幅を有する織物の上面にわたる0.05〜0.75インチ(0.127〜1.9cm)の厚さの層にする工程と、
c)前記未硬化の発泡体が自由に上昇できるようにその上面が大気に開放された状態で前記未硬化の発泡体の層を硬化させて、前記織物に結合された176グラム/リットル(11ポンド/立方フィート)以下の密度を有する発泡ポリウレタンクッションを形成する工程と、を含む、前記方法。 - 前記水の量が、少なくとも400のヒドロキシル当量を有するポリオール(複数可)100重量部当たり1〜1.8部である、請求項1に記載の前記方法。
- 前記物理的膨張剤が、10〜30℃の沸点を有する、請求項1または2に記載の前記方法。
- 前記物理的膨張剤の量が、少なくとも400のヒドロキシル当量を有するポリオール(複数可)100重量部当たり5〜8重量部である、請求項1〜3のいずれかに記載の前記方法。
- 前記発泡ポリウレタンクッションが、96〜160g/Lの密度を有する、請求項1〜4のいずれかに記載の前記方法。
- 工程a)が、前記ポリオール(複数可)及び前記充填剤を混合することと、前記ポリイソシアネート及び前記物理的膨張剤を別々の流れとして発泡装置に添加することによって、前記発泡と同時に、前記ポリオール及び充填剤の混合物を、前記ポリイソシアネート及び前記物理的膨張剤と組み合わせることと、によって行われる、請求項1〜5のいずれかに記載の前記方法。
- 前記水が、前記発泡の後に添加される、請求項1〜6のいずれかに記載の前記方法。
- 工程a)が、前記ポリオール(複数可)及び前記充填剤を混合することと、次いで前記ポリオール及び充填剤の混合物を前記ポリイソシアネートと組み合わせることと、次いで発泡と同時に前記物理的膨張剤及び水を添加することと、によって行われる、請求項1〜5のいずれかに記載の前記方法。
- 前記触媒が、前記発泡の後に添加される、請求項1〜8のいずれかに記載の前記方法。
- 工程b)が、前記未硬化の発泡体を分与して、前記織物上に液だまりを形成することと、次いで前記層を標準寸法にするために前記液だまりをドクターブレードの下に通すことと、によって行われる、請求項1〜9に記載の前記方法。
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PCT/US2014/050680 WO2015026567A1 (en) | 2013-08-23 | 2014-08-12 | Textiles attached with low density polyurethane foams made using a combination of frothing and blowing methods |
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EP (1) | EP3022354B1 (ja) |
JP (1) | JP6420836B2 (ja) |
CN (1) | CN105473782B (ja) |
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EP3137525A4 (en) * | 2014-04-30 | 2017-12-27 | Honeywell International Inc. | Flexible, open-cell thermoset foams and blowing agents and methods for making same |
CN108368228A (zh) * | 2015-12-16 | 2018-08-03 | 株式会社普利司通 | 软质聚氨酯泡沫和座垫 |
AU2022227566A1 (en) * | 2021-02-24 | 2023-09-07 | Soft-Tex Group, Inc. | Composition of foam, cushions, and related methods of manufacture |
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US20160208433A1 (en) | 2016-07-21 |
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EP3022354B1 (en) | 2017-04-26 |
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