JP6212673B1 - 耐火多層シート - Google Patents
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- 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
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- 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
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- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
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Abstract
Description
熱膨張材2は、バインダー樹脂と熱膨張性黒鉛とを含む熱膨張性樹脂組成物から構成された熱膨張性シートである。熱膨張材2の厚みは特に限定されないが、例えば0.1mm〜6mmである。
ジ−2−エチルヘキシルアジペート(DOA)、ジイソブチルアジペート(DIBA)、ジブチルアジペート(DBA)等の脂肪酸エステル可塑剤、
エポキシ化大豆油等のエポキシ化エステル可塑剤、
アジピン酸エステル、アジピン酸ポリエステル等のポリエステル可塑剤、
トリー2−エチルヘキシルトリメリテート(TOTM)、トリイソノニルトリメリテート(TINTM)等のトリメリット酸エステル可塑剤、
トリメチルホスフェート(TMP)、トリエチルホスフェート(TEP)、リン酸トリクレジル(TCP)等の燐酸エステル可塑剤、
鉱油等のプロセスオイルなどが挙げられる。
基材3は、可燃層であっても、準不燃層または不燃層であってもよい。基材3の厚みは特に限定されないが、例えば5μm〜1mmである。
ポリプロピレン樹脂、ポリエチレン樹脂、ポリ(1−)ブテン樹脂、ポリペンテン樹脂等のポリオレフィン樹脂、
ポリスチレン樹脂、アクリロニトリル−ブタジエン−スチレン樹脂、ポリカーボネート樹脂、アクリル樹脂、ポリアミド樹脂、ポリ塩化ビニル樹脂、ポリエチレンテレフタレート樹脂、ポリブチレンテレフタレート樹脂、ポリフェニレンエーテル樹脂、全芳香族ポリエステル樹脂、ポリエーテルスルホン樹脂、フェノール樹脂、ポリウレタン樹脂、エポキシ樹脂等が挙げられる。
塗膜層4は、耐火多層シート1の外観を改善するために設けられる層である。塗膜層4の厚みは特に限定されないが、例えば10μm〜1mmである。
介在層5は、熱膨張材2および基材3の各々の層と直接接着し、熱膨張材2と基材3の間の剥離強度を増強している。介在層5の厚みは特に限定されないが、例えば2μm〜1mmである。
この様な構成をとることで、上下面の収縮差を減少させることにより、反り等の変形を防止可能となる場合がある。
実施例1〜8として、図2の塗膜層が存在しない構成に相当する、基材3、介在層5、および熱膨張材2を積層した耐火多層シートを作成した。具体的には、基材3の片面に押し出し加工により介在層5が75μm厚となるように積層一体化された表面材を、上下両側に設け、2つの表面材間に、介在層5が熱膨張材2と接触するように熱膨張材2を塗布した。熱膨張材2は厚みが1.5mmになるようにシート形状に塗布した。得られた積層体を硬化炉にて90℃で15時間、加熱硬化させ、表面材と熱膨張材2が一体化された耐火多層シート1を作成した。
エポキシ樹脂 E807(三菱化学社製) 60質量部
ジアミン系硬化剤 EKFL052(三菱化学社製)40質量部
熱膨張性黒鉛 CA60N(エアウォーター社製)100質量部
ポリリン酸アンモニウム AP422(クラリアントケミカルズ社製)100質量部
炭酸カルシウム BF300(白石カルシウム社製)100質量部
<熱膨張材2>
塩化ビニル樹脂 TK1000(信越化学社製)100質量部
可塑剤 DIDP(フタル酸ジイソデシル;ジェイプラス社製)80質量部
熱膨張性黒鉛 CA60N(エアウォーター社製)90質量部
ポリリン酸アンモニウム AP422(クラリアントケミカルズ社製)90質量部
次に、各実施例及び比較例の耐火多層シートにおいて、熱膨張材と基材層の間の剥離を調べるための目視試験を行うと共に、黒色のエポキシ系塗料を用いて基材層の上に塗膜層をさらに施し、塗装ムラを観察した。結果を表2に示す。
(接着性) 硬化炉から取り出した1m×1mシートの端部を観察し、長さ10mm以上の非接着部分がないものを接着性ありとし、非接着部分が1箇所以上あるものを接着性なしとした。
(塗装ムラ) 基材に塗料を塗布し、1週間乾燥後させたときに、目視にて塗料の剥がれにより基材が一部でも露出しているシートの表面に確認できるもの、または、乾燥せず塗料が液状化しているか否か、つまり塗料ムラの有無を評価した。
Claims (6)
- バインダー樹脂と熱膨張性黒鉛とを含む熱膨張性樹脂組成物からなる熱膨張材と、熱膨張材に積層された基材(熱伝導率が1.5kcal/m・h・℃以下であって、かつ、400℃の加熱条件下で1時間加熱することによる厚み方向の収縮率が10%以下であるものを除く)とを備え、
前記バインダー樹脂が、エポキシ樹脂を含有し、
熱膨張材と基材との間に熱可塑性樹脂を含有する介在層が配置されている耐火多層シート。 - 基材の介在層が配置された面の反対側の面側に、塗膜層が積層されている請求項1に記載の耐火多層シート。
- 基材が不織布である請求項1又は2に記載の耐火多層シート。
- 前記介在層が、熱膨張材および基材と接着している請求項1〜3のいずれかに記載の耐火多層シート。
- 前記介在層に含有される熱可塑性樹脂が、ポリオレフィン、ポリ酢酸ビニル、およびポリ塩化ビニルから選択される熱可塑性樹脂である請求項1〜4のいずれか一項に記載の耐火多層シート。
- 基材がポリエステルであることを特徴とする請求項1〜5のいずれか一項に記載の耐火多層シート。
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JP2016009514 | 2016-01-21 | ||
JP2016009514 | 2016-01-21 | ||
PCT/JP2017/001939 WO2017126659A1 (ja) | 2016-01-21 | 2017-01-20 | 耐火多層シート |
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JP2017164542A Division JP2017202694A (ja) | 2016-01-21 | 2017-08-29 | 耐火多層シート |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109098302A (zh) * | 2018-08-30 | 2018-12-28 | 广东黑卫防火技术有限公司 | 一种膨胀型金属防火封堵板 |
Families Citing this family (8)
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JP7261048B2 (ja) * | 2018-03-16 | 2023-04-19 | 積水化学工業株式会社 | 熱膨張性シート及び熱膨張性シートの製造方法 |
WO2019185446A1 (en) * | 2018-03-26 | 2019-10-03 | Etex Building Performance International Sas | Plasterboard |
DE102018120055A1 (de) * | 2018-08-17 | 2020-02-20 | BMI Group Management UK Limited | Feuerbeständige Schutzfolie |
JP7207980B2 (ja) * | 2018-12-06 | 2023-01-18 | 積水化学工業株式会社 | 耐火多層シート |
JP7312016B2 (ja) * | 2019-05-20 | 2023-07-20 | 積水化学工業株式会社 | 耐火多層シート |
JP7366613B2 (ja) | 2019-07-10 | 2023-10-23 | 株式会社エフコンサルタント | 積層体、及び被覆構造体 |
KR102258690B1 (ko) * | 2020-09-21 | 2021-05-28 | 한국세라믹기술원 | 내열 및 불연 특성을 갖는 불연소재, 그 제조 방법, 이를 포함하는 건축 내장재, 보온재, 흡음재 및 단열재 |
KR102309499B1 (ko) * | 2021-03-25 | 2021-10-06 | 주식회사 풀담 | 차열기능을 갖는 폴리프로필렌 용기 |
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JP2000215721A (ja) * | 1999-01-21 | 2000-08-04 | Canon Inc | 照明装置、及びそれを用いた液晶装置 |
JP2000345638A (ja) * | 1999-03-31 | 2000-12-12 | Sekisui Chem Co Ltd | 耐火複合面材、折板外壁及び防・耐火壁構成体 |
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JP2007138403A (ja) * | 2005-10-20 | 2007-06-07 | Dainippon Printing Co Ltd | 不燃性基材およびそれを用いた不燃性化粧板 |
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EP3406439B1 (en) | 2022-03-30 |
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