JP2009520107A - 自動車のヘッドライナーの製造方法 - Google Patents
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Abstract
Description
本発明は、貨物自動車および乗用車などの乗り物用のヘッドライナーに関する。
a)少なくとも1枚の強化用繊維でできたマット上に発泡性ポリウレタン組成物を塗布して含浸マットを形成する工程、
b)このポリウレタン組成物を硬化するのに十分な高温でその含浸マットを成形して成形された繊維強化ポリウレタン発泡体を形成する工程、および
c)この繊維強化ポリウレタン発泡体を離型する工程
を含む方法であり、その発泡性ポリウレタン組成物が、ポリオールまたはポリオールの混合物と、ポリイソシアナートと、ポリオール100質量部あたり約3.0〜約5.5部の水とを含み、そのポリオールまたはポリオールの混合物が1分子あたり平均で3.8〜約8個/の水酸基および約100〜約135の水酸基当量を有し、またさらにポリイソシアナートインデックスが90から130である。
乗り物のヘッドライナー製造条件をシミュレートするために複合体を改良型アルミニウム金型中で調製し成形する。この型は、その成形用具を密閉し脱ガスするためのエア・ブラダーを備えた電気的に加熱されるアルミニウム金型である。型の内寸は、20インチ×20インチ(51cm×51cm)、深さ約12〜25mm(1/2〜1インチ)である。インサートを型の中に置いて一部の領域の深さを4〜8mmまで減らすが、他の領域の深さは10〜16mmのままである。
2 テーハー・ゴールドシュミット社(Th. Goldschmidt)からTegostab(登録商標)B8404として販売されている有機シリコーン界面活性剤、
3 エアプロダクツ社によりDabco(登録商標)33LVとして販売されているトリエチレンジアミン溶液、
4 ライン・ケミー社によりDesmorapid(登録商標)DBとして販売されているジメチルベンジルアミン触媒、
5 エアプロダクツ社によりPolycat(登録商標)8として販売されているジメチルシクロヘキシルアミン触媒、
6 ダウ・ケミカル社によりPAPI(登録商標)27として販売されている。
今度は、水の量を4.3質量部に増やし、ポリオールの量を87.7質量部に減らして、実施例1を繰り返す。離型時間は、再び60秒未満である。
今度は、次のポリウレタン形成組成物を用いて、実施例1を再度繰り返す。この配合中のポリオールは、約4.1の平均官能価および137の平均水酸基当量を有する。
2 ダウ・ケミカル社によりVoranol 800として販売されている70の水酸基当量および水酸基4.0個/分子の官能価を有するエチレンジアミン開始ポリオール、
3 テーハー・ゴールドシュミット社からTegostab(登録商標)B8427として販売されている有機シリコーン界面活性剤、
4〜6 表1の注記3〜5を参照、
7 クロンプトン社(Crompton Corp.)によりNiax(登録商標)A−537として販売されているアミン触媒、
8 表1の注記6を参照。
ポリウレタン形成組成物を、68.05部のポリエステルポリオールB、20部のポリエステルポリオールC、および4部の水を含有するように変更することを除いて比較試料Aを繰り返す。このポリオール混合物は、約4.1の平均官能価および122の平均水酸基当量を有する。この配合物の離型時間は約50秒である。
ポリウレタン形成組成物を次の成分から調製する。
2 表2の注記3を参照、
3〜6 表1の注記3〜6を参照。
実施例3で述べた全般的な方法で乗り物のヘッドライナーを作製する。このポリウレタン形成組成物は、88.65部のポリエーテルポリオールBを使用し、ポリエーテルポリオールCを使用しないことを除いて比較試料Aで述べたものと同じである。この配合は、型を満たすために3200gを超える射出能力を必要とする。離型時間は少なくとも80秒である。部品は、それらを熱積層の工程で満足に使用することができるまでに約2時間熟成しなければならない。
ポリウレタン形成組成物を、その成型工具が工業規模のヘッドライナー工具であり、また塗布量が900g/秒であることを除いては実施例1で述べた全般的な方法を用いて次の成分から調製する。
2 テーハー・ゴールドシュミット社からTegostab(登録商標)B−8433として市販されているシリコーン界面活性剤。
3〜5 表1の注記3〜5を参照。
6 エアープロダクツ・アンド・ケミカルズ社によりNiax A−99触媒として販売されている第三級アミン発泡触媒。
7 表1の注記6を参照。
Claims (22)
- a)少なくとも1種類の強化用繊維でできたマット上へ発泡性ポリウレタン組成物を塗布して含浸マットを形成する工程、
b)前記ポリウレタン組成物を硬化するのに十分な高温で前記含浸マットを成形して成形された繊維強化ポリウレタン発泡体を形成する工程、および
c)前記繊維強化ポリウレタン発泡体を離型する工程
を含み、
前記発泡性ポリウレタン組成物が、1分子あたり平均で3.8〜約8個の水酸基および約100〜約135の水酸基当量を有するポリオールまたはポリオールの混合物と、ポリイソシアナートと、ポリオール100質量部あたり約3.0〜約5.5部の水とを含み、さらにポリイソシアナートインデックスが90〜130である、
方法。 - 工程c)が、工程b)の最初の60秒以内に行われる、請求項1に記載の方法。
- 前記ポリオールまたはポリオールの混合物中に含有される前記水酸基の少なくとも70%が第二級水酸基であり、かつ前記ポリオールまたはポリオールの混合物が第一級または第二級アミノ基を実質上含まない、請求項2に記載の方法。
- 前記発泡性ポリウレタン組成物が、少なくとも1種類の第三級アミン触媒をさらに含む、請求項3に記載の方法。
- 前記第三級アミン触媒がゲル化触媒である、請求項4に記載の方法。
- 前記第三級アミン触媒が、有機金属触媒、三量体化触媒、および発泡触媒を5質量%以下含有する第三級アミン触媒の混合物である、請求項4に記載の方法。
- 前記発泡性ポリウレタン組成物が、有機金属触媒、三量体化触媒、および発泡触媒を実質上含まない、請求項6に記載の方法。
- 前記ポリオールまたはポリオールの混合物が、1分子あたり平均で3.8〜約5個の水酸基、および110〜130の水酸基当量を有する、請求項6に記載の方法。
- 前記ポリオールまたはポリオールの混合物が、ポリオールの質量を基準にして2質量%以下のグリセリンを含有する、請求項8に記載の方法。
- ゲル化触媒が、トリエチレンジアミン、ジメチルベンジルアミン、ジメチルシクロヘキシルアミン、またはそれらの2種類以上の組合わせを含む、請求項8に記載の方法。
- 前記マットが、チョップトまたは連続ガラス繊維からできている、請求項2に記載の方法。
- 工程b)に先立って、少なくとも1枚の追加の層を前記含浸マットと接触させて多層構造体を形成し、その多層構造体を工程b)において成形する、請求項2に記載の方法。
- 前記追加の層が補強スクリムまたはフィルムである、請求項12に記載の方法。
- d)前記成形された繊維強化ポリウレタン発泡体を、少なくとも一部の表装面に熱積層する工程をさらに含む、請求項2に記載の方法。
- 前記表装面が、発泡体で裏打ちしたフィルムまたはシートである、請求項14に記載の方法。
- 自動車のヘッドライナーの製造方法であって、
a)発泡性ポリウレタン組成物を少なくとも1種類の強化用繊維でできたマット上へ塗布して含浸マットを形成する工程、
b)前記ポリウレタン組成物を硬化するのに十分な高温で前記含浸マットを成形して自動車用ヘッドライナーの形をした繊維強化ポリウレタン発泡体を形成する工程、および
c)前記繊維強化ポリウレタン発泡体を離型する工程
を含み、
前記発泡性ポリウレタン組成物が、1分子あたり平均で3.8〜約8個の水酸基および約100〜約135の水酸基当量を有するポリオールまたはポリオールの混合物と、ポリイソシアナートと、ポリオール100質量部あたり約3.0〜約5.5部の水とを含み、さらにポリイソシアナートインデックスが90から125である、
方法。 - a)発泡性ポリウレタン組成物を少なくとも1種類の強化用繊維でできたマット上へ塗布して含浸マットを形成する工程、
b)熱可塑性接着フィルムを前記含浸マットの少なくとも片側の表面に貼り付ける工程、
c)工程b)の前、それと同時、またはその後に前記含浸マットを型の中に挿入する工程、
d)前記ポリウレタン組成物を硬化するには十分だが、前記熱可塑性接着フィルムの融解温度未満の高温で前記含浸マットを成形して、その少なくとも片側の表面に接着フィルムを有する成形された繊維強化ポリウレタン発泡体を形成する工程、
e)前記繊維強化ポリウレタン発泡体を離型する工程、
f)前記接着フィルムに表装面を貼り付ける工程、および
g)前記接着フィルムをその融解温度を超える温度まで加熱して、前記表装面を前記繊維強化ポリウレタン発泡体に接着させる工程
を含み、
前記発泡性ポリウレタン組成物が、1分子あたり平均で3.8〜約8個の水酸基および約100〜約135の水酸基当量を有するポリオールまたはポリオールの混合物と、ポリイソシアナートと、ポリオール100質量部あたり約3.0〜約5.5部の水とを含み、さらにポリイソシアナートインデックスが90から130である、
方法。 - 前記繊維強化ポリウレタン発泡体が、工程c)の開始から60秒以内に離型される、請求項17に記載の方法。
- 工程g)が工程e)から1時間以内に行われる、請求項18に記載の方法。
- 工程g)が工程e)から30分以内に行われる、請求項19に記載の方法。
- 少なくとも1枚のスクリム層を、工程d)に先立って前記含浸マットの表面に貼り付ける、請求項19に記載の方法。
- 前記組成物が、ポリオール100質量部あたり約0.10部以下の発泡触媒を含有する、請求項6に記載の方法。
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JP2010515795A (ja) * | 2007-01-09 | 2010-05-13 | ビーエーエスエフ ソシエタス・ヨーロピア | 液化天然ガスタンクの断熱のための水−発泡性(water−blown)硬質フォーム |
WO2022249672A1 (ja) * | 2021-05-24 | 2022-12-01 | Dic株式会社 | プリプレグ、プリプレグの製造方法、及び、成形品 |
JP7197067B1 (ja) * | 2021-05-24 | 2022-12-27 | Dic株式会社 | プリプレグ、プリプレグの製造方法、及び、成形品 |
US12031002B2 (en) | 2021-05-24 | 2024-07-09 | Dic Corporation | Prepreg, method for producing prepreg, and molded article |
Also Published As
Publication number | Publication date |
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DE602006013508D1 (de) | 2010-05-20 |
RU2008129773A (ru) | 2010-01-27 |
US8133419B2 (en) | 2012-03-13 |
CA2633867A1 (en) | 2007-07-05 |
US20070151652A1 (en) | 2007-07-05 |
BRPI0621070A2 (pt) | 2011-11-29 |
WO2007075455A2 (en) | 2007-07-05 |
EP1966266B1 (en) | 2010-04-07 |
WO2007075455A3 (en) | 2008-03-06 |
CN101331166A (zh) | 2008-12-24 |
EP1966266A2 (en) | 2008-09-10 |
ATE463525T1 (de) | 2010-04-15 |
CN101331166B (zh) | 2011-03-30 |
KR20080087831A (ko) | 2008-10-01 |
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