JP4235136B2 - 化粧板難燃化用組成物、化粧板難燃化用シート、および難燃性化粧板 - Google Patents
化粧板難燃化用組成物、化粧板難燃化用シート、および難燃性化粧板 Download PDFInfo
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- JP4235136B2 JP4235136B2 JP2004080699A JP2004080699A JP4235136B2 JP 4235136 B2 JP4235136 B2 JP 4235136B2 JP 2004080699 A JP2004080699 A JP 2004080699A JP 2004080699 A JP2004080699 A JP 2004080699A JP 4235136 B2 JP4235136 B2 JP 4235136B2
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- retardant
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- resin
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Description
本発明の化粧板難燃化用組成物は、亜リン酸アルミニウムと、水溶性バインダーと、鱗片状の無機物質とを配合してなることを特徴とする。
したがって、この化粧板難燃化用組成物によれば、液状成分が浸透しやすい層や加熱・加圧時に隣接している層が存在していても、そのような層の内部へ化粧板難燃化用組成物が移行せず、化粧板難燃化用組成物の存在比がきわめて高い領域を形成することができ、高熱を受ける環境下において亜リン酸アルミニウムによる発泡層を形成することができ、適用対象物の難燃性を向上させることができる。また、亜リン酸アルミニウムによる作用で水溶性バインダーとして含まれた成分が炭化層となる場合は、この炭化層も難燃性の向上に寄与する。さらに、鱗片状の無機物質自体は不燃性なので、耐炎性も向上する。
この場合、繊維シートとしては、ガラス繊維、ロックウール、炭素繊維などの無機繊維の不織布、織布など、各種無機繊維シートが挙げられ、無機繊維シートの坪量は、20〜200g/m2の範囲が好適であり、とりわけ、耐熱性、耐炎性に優れるガラス繊維を用いるのが好ましい。
上記表1中に示す組成物1を、35g/m2のガラス繊維不織布に80g/m2塗工して化粧板難燃化用シートを得た。
上記実施例1で用いた組成物1に代えて、上記表1中に示す組成物2を用いて、他は上記実施例1と同様の手順で、難燃性化粧板を得た。
上記実施例1で用いた組成物1に代えて、上記表1中に示す組成物3を用いて、他は上記実施例1と同様の手順で、難燃性化粧板を得た。
上記実施例1で用いた組成物1に代えて、上記表1中に示す組成物4を用いて、他は上記実施例1と同様の手順で、難燃性化粧板を得た。
上記表1中に示す組成物1を、フェノール樹脂含浸紙に40g/m2塗工して化粧板難燃化用シートを得た。
[比較例1]
上記実施例1で用いた組成物1に代えて、上記表1中に示す組成物A1を用いて、他は上記実施例1と同様の手順で、化粧板を得た。
上記実施例1で用いた組成物1に代えて、上記表1中に示す組成物A2を用いて、他は上記実施例1と同様の手順で、化粧板を得た。
上記実施例1で用いた組成物1に代えて、上記表1中に示す組成物B1を用いて、他は上記実施例1と同様の手順で、化粧板を得た。
上記実施例1で用いた組成物1に代えて、上記表1中に示す組成物B2を用いて、他は上記実施例1と同様の手順で、化粧板を得た。
[不燃性試験]
ISO5660準拠したコーンカロリーメーターによる20分試験の発熱性試験・評価方法において、総発熱量が8MJ/m2以下であり、最高発熱速度が10秒以上継続して200kW/m2を超えない場合を○とする。
500gの鉄球をサンプルの20cm上方より落下させ、割れなかったものを○、割れたものを×とした。
5cm角の試験片を1時間煮沸し、70℃で2時間乾燥後、化粧層にカッターナイフにてクロスカットの切り込みをコア層に達する深さまで入れ、セロハンテープを貼り付け、急激に剥がし、化粧層の剥離がなかったものを○、剥離があったものを×とした。
上記実施形態においては、特定の物質を特定の配合比で含む実施例をいくつか挙げたが、課題を解決するための手段の欄において説明した通り、本発明は、上記実施例において用いた物質以外の物質でも実施可能であり、その配合比も、既に説明した通りの範囲内で任意に調節可能である。
Claims (5)
- 亜リン酸アルミニウム100重量部と、水溶性バインダー5〜60重量部と、鱗片状の雲母15〜50重量部とを配合してなることを特徴とする化粧板難燃化用組成物。
- 請求項1に記載の化粧板燃化用組成物と、繊維シートとからなり、該繊維シートの表面に前記化粧板難燃化用組成物が適用されていることを特徴とする化粧板難燃化用シート。
- 請求項1に記載の化粧板難燃化用組成物と、熱硬化性樹脂を主成分とする樹脂液が含浸された樹脂含浸紙とからなり、該樹脂含浸紙の表面に前記化粧板難燃化用組成物が適用されていることを特徴とする化粧板難燃化用シート。
- 請求項2または請求項3に記載の化粧板難燃化用シートと、樹脂含浸化粧紙と、バインダー成分および無機充填材が含まれるスラリーを繊維シートに含浸・乾燥させてなるコア層とを積層してなる難燃性化粧板であって、
当該難燃性化粧板の表裏面のうち、少なくとも一方の面は、外面側から前記樹脂含浸化粧紙、前記化粧板難燃化用シート、前記コア層の順に積層された構造とされていることを特徴とする難燃性化粧板。 - 前記コア層を形成する繊維シートが、ガラス繊維シートであることを特徴とする請求項4に記載の難燃性化粧板。
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| JP4860308B2 (ja) * | 2006-03-16 | 2012-01-25 | アイカ工業株式会社 | 阻燃化用プリプレグ及び不燃化粧板 |
| JP5058542B2 (ja) * | 2006-09-21 | 2012-10-24 | アイカ工業株式会社 | 阻燃化用プリプレグ及び不燃化粧板 |
| JP5286907B2 (ja) * | 2008-04-15 | 2013-09-11 | 凸版印刷株式会社 | 光路制御部材及びバックライトユニット並びにディスプレイ装置 |
| JP5589227B2 (ja) * | 2010-07-07 | 2014-09-17 | 独立行政法人産業技術総合研究所 | 透明不燃材及びその製造方法 |
| CN112624721B (zh) * | 2020-12-16 | 2022-07-08 | 山东鲁阳节能材料股份有限公司 | 一种内置预埋件的高密度陶瓷纤维板及其一体成型方法 |
| CN115109601B (zh) * | 2022-06-30 | 2023-06-13 | 广东电网有限责任公司 | 一种环保阻燃剂及其制备方法和应用 |
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