JP6951012B2 - 硬質ポリウレタンフォーム用ポリオール組成物、及び硬質ポリウレタンフォームの製造方法 - Google Patents
硬質ポリウレタンフォーム用ポリオール組成物、及び硬質ポリウレタンフォームの製造方法 Download PDFInfo
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Description
本実施形態の硬質ポリウレタンフォーム用ポリオール組成物(以下、単にポリオール組成物とも称する)は、少なくともポリオール化合物、発泡剤、及び金属触媒を含有し、ポリイソシアネート化合物を含むイソシアネート成分と混合して発泡硬化させて硬質ポリウレタンフォームを形成する硬質ポリウレタンフォーム用ポリオール組成物であって、前記発泡剤がHFO−1233zdを含有し、前記ポリオール組成物がオクチル酸カルシウムを含有する。
ポリオール化合物としては、公知の硬質ポリウレタンフォーム用ポリオール化合物を限定なく使用できる。係るポリオール化合物としては、第3級アミノ基含有ポリオール化合物、脂肪族ポリオール化合物、芳香族ポリオール化合物等が例示される。
前記発泡剤は、オゾン層破壊係数と地球温暖化係数が低く可燃性のないHFO−1233zdを含有する。
前記金属触媒としては、ウレタン化及びウレア化反応を促進する公知の金属触媒を特に限定なく用いることがでる。前記金属触媒に含まれる金属としては、錫、チタン、鉛、ビスマス、コバルト、カリウム等が例示できる。
前記ポリオール組成物中のオクチル酸カルシウムの量は、原液保存安定性の観点から、ポリオール化合物100重量部に対して有効成分(希釈成分を除いたオクチル酸カルシウム分)として0.05重量部以上が好ましく、0.1重量部以上がより好ましく、0.2重量部以上が更に好ましい。ただし、前記ポリオール組成物中にオクチル酸カルシウムが多量に含まれていると他の金属触媒の活性が低下する場合があることから、前記ポリオール組成物中のオクチル酸カルシウムの量は、ポリオール化合物100重量部に対して有効成分(希釈成分を除いたオクチル酸カルシウム分)として2重量部以下が好ましく、1重量部以下がより好ましい。
前記ポリオール組成物は、硬質ポリウレタンフォーム用の前記金属触媒以外の公知の触媒、整泡剤、難燃剤、相溶化剤、可塑剤、着色剤、酸化防止剤等を含有しても良い。
本実施形態の硬質ポリウレタンフォームの製造方法は、前記ポリオール組成物とポリイソシアネート化合物とをスプレー装置により混合し、反応させて硬質ポリウレタンフォームとする硬質ポリウレタンフォームの製造方法である。
〔初期ゲルタイム〕
15℃に温度調整したポリオール組成物とイソシアネート成分を撹拌羽が3000回転/分で回転する撹拌機で4秒間撹拌混合し、発泡形成したポリウレタンフォームのゲルタイムを測定した。ゲルタイムは発泡中のフォーム頭頂部にガラス棒を挿し込んだ際フォームが糸引きを開始した時間とした。
ポリオール組成物をプラスチック容器内に密閉した状態で40℃に設定したオーブン内で30日間養生した後、15℃に温度調整した養生後のポリオール組成物とイソシアネート成分を撹拌羽が3000回転/分で回転する撹拌機で4秒間撹拌混合し、発泡形成したポリウレタンフォームのゲルタイムを測定した。
前記40℃下30日保管後ゲルタイムの値から前記初期ゲルタイムの値を減算してゲルタイムが遅延した時間(ゲルタイム遅延)を求めた。ゲルタイム遅延が少ないほど保存安定性が良いことを意味する。
表1に記載の原料を用いて表2及び表3に記載した組成でポリオール組成物を調製し、当該ポリオール組成物と表1に記載のポリイソシアネートとを表2及び表3に記載の重量比になるように発泡用容器に投入し、前記方法で初期ゲルタイム、40℃下30日保管後ゲルタイム、及びゲルタイム遅延を求めた。測定結果を表2及び表3に示す。
Claims (5)
- 少なくともポリオール化合物、発泡剤、及び金属触媒を含有し、ポリイソシアネート化合物を含むイソシアネート成分と混合して発泡硬化させて硬質ポリウレタンフォームを形成する硬質ポリウレタンフォーム用ポリオール組成物であって、
前記発泡剤がHFO−1233zdを含有し、
前記ポリオール組成物がオクチル酸カルシウムを含有し、
前記金属触媒が、テトラブチルチタネート、ナフテン酸鉛、オクチル酸鉛、ネオデカン酸ビスマス、オクチル酸ビスマス、ナフテン酸コバルト、オクチル酸コバルト、アセチルアセトン鉄、ネオデカン酸ビスマス、オクチル酸カリウム、酢酸カリウム、及び蟻酸カリウムからなる群より選ばれる1種以上である硬質ポリウレタンフォーム用ポリオール組成物。 - 前記ポリオール組成物中の前記金属触媒の量が、前記ポリオール化合物100重量部に対して0.05重量%以上10重量%以下である請求項1に記載の硬質ポリウレタンフォーム用ポリオール組成物。
- 前記ポリオール組成物中の前記オクチル酸カルシウムの量が、ポリオール化合物100重量部に対して0.05重量部以上2重量部以下である請求項1又は2に記載の硬質ポリウレタンフォーム用ポリオール組成物。
- スプレー発泡法による硬質ポリウレタンフォームの製造に用いられる請求項1〜3いずれか1項に記載の硬質ポリウレタンフォーム用ポリオール組成物。
- 請求項1〜4いずれか1項に記載の硬質ポリウレタンフォーム用ポリオール組成物とポリイソシアネート化合物とをスプレー装置により混合し、反応させて硬質ポリウレタンフォームとする硬質ポリウレタンフォームの製造方法。
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JP2016098050A JP6951012B2 (ja) | 2016-05-16 | 2016-05-16 | 硬質ポリウレタンフォーム用ポリオール組成物、及び硬質ポリウレタンフォームの製造方法 |
CN201710212121.6A CN107383327A (zh) | 2016-05-16 | 2017-04-01 | 硬质聚氨酯泡沫用多元醇组合物及硬质聚氨酯泡沫的制造方法 |
KR1020170046901A KR20170129047A (ko) | 2016-05-16 | 2017-04-11 | 경질 폴리우레탄 폼용 폴리올 조성물 및 경질 폴리우레탄 폼의 제조 방법 |
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US4217247A (en) * | 1979-03-07 | 1980-08-12 | Mobay Chemical Corporation | Catalyst system for polyurethane foams |
JPH05222146A (ja) * | 1992-02-14 | 1993-08-31 | Daikin Ind Ltd | 硬質ポリウレタンフォームの製造法 |
CN101544778A (zh) * | 2009-04-07 | 2009-09-30 | 广东格兰仕集团有限公司 | 一种用于制作硬质聚氨酯泡沫塑料的发泡剂组合物及其应用 |
US20120313035A1 (en) * | 2011-06-08 | 2012-12-13 | Honeywell International Inc. | Polyurethane foam premixes containing halogenated olefin blowing agents and foams made from same |
US9556303B2 (en) * | 2011-02-21 | 2017-01-31 | Honeywell International Inc. | Catalysts for polyurethane foam polyol premixes containing halogenated olefin blowing agents |
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EP2702088B1 (en) * | 2011-04-15 | 2018-05-16 | Arkema, Inc. | Improved stability of polyurethane polyol blends containing halogenated olefin blowing agent |
WO2013116416A1 (en) * | 2012-02-02 | 2013-08-08 | Arkema Inc. | Improved shelf life of polyol blends containing halogenated olefins by encapsulation of active components |
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US10023681B2 (en) * | 2012-10-24 | 2018-07-17 | Evonik Degussa Gmbh | Delay action catalyst for improving the stability of polyurethane systems having halogen containing blowing agents |
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