full2010.pdf - page 1340

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°»ž„¦–r¨³ª·›¸„µ¦
°» ž„¦–r
x Á„¨º°Â°Ž¸ Á˜š °ŠÃ¨®³ (M = Ca, Ba, Ni, Cu)
x Á°š·¨¸œÅ—°¤¸œ (en)
x ¡°¨·Á¤°¦· ‡ ŗ¢eœ·¨¤¸ÁšœÅ—ðÎŎ¥µÁœ˜: PMDI (MR-200); %NCO = 31.0; functionality = 2.7
x ¡°¨·°¸Áš°¦r ¡°¨·°°¨: Raypol® 4221; OH-number = 440 mgKOH/g; functionality = 4.3
x ˜´ªÁ¦nŠž’·„·¦·¥µ (catalysts)
N,N-dimethylcyclohexylamine (DMCHA) Áž}œ˜´ªÁ¦nŠž’·„·¦·¥µ°o µŠ°·Š
[Ni(en)2:Ca(en)2], [Ni(en)2:Ba(en)2], [Ni(en)2:Cu(en) 2], [Cu(en)2:Ca(en)2], [Cu(en)2:Ba(en)2]
Áž}œ˜´ªÁ¦nŠž’·„·¦·¥µš¸É ´ŠÁ‡¦µ³®r¹Êœ
x µ¦¨—¦Š˜¹ŠŸ·ª (surfactant): polysiloxane; Tegostab® B8460
x µ¦nª¥¢¼ (blowing agent): œÊ儨´Éœ
x Á‡¦ºÉ°Š mechanical stirrer š¸É‡ªµ¤Á¦Èª 2000 rpm
x Á‡¦ºÉ°Š FT-IR spectrometer
Šµœª· ‹´¥‡¦´Ê Šœ¸Êŗo n Š„µ¦š—¨°ŠÁž} œ 2 ´Ê œ˜°œ ´Êœ˜°œš¸É 1 Áž}œ„µ¦´ ŠÁ‡¦µ³®r ˜´ªÁ¦nŠž’· „·¦· ¥µ
[Ni(en)2:Ca(en)2], [Ni(en)2:Ba(en)2], [Ni(en)2:Cu(en) 2], [Cu(en)2:Ca(en)2], [Cu(en)2:Ba(en)2] ¨³ ´Êœ˜°œš¸É 2 Áž}œ
„µ¦œÎµ˜´ªÁ¦nŠž’·„·¦·¥µš¸É ´ŠÁ‡¦µ³®rŗo ¤µÄoÁ˜¦¸¥¤¡°¨·¥¼¦¸ÁšœÃ¢¤ÂÂ Ȋ —´Š¤¸¦µ¥¨³Á°¸¥—˜n°Åžœ¸Ê
„µ¦´ŠÁ‡¦µ³®r˜´ªÁ¦nŠž’·„· ¦·¥µ
´ ŠÁ‡¦µ³®r µ¦ž¦³„°Á· ŠŽo°œ °ŠÃ¨®³Ÿ¤°Šœ· —„´Á°š·¨¸œÅ—°¤¸œ (en) Á¡ºÉ °Äo Áž}œ˜´ ªÁ¦n Š
ž’·„·¦·¥µÄœ„µ¦Á˜¦¸¥¤¡°¨·¥¼¦¸ÁšœÃ¢¤ [M(en)2: M(en)2] Á¤ºÉ° M =Ba, Ca, Ni, Cu ×¥ ´Êœ˜°œ„µ¦´ŠÁ‡¦µ³®r ‡º°
¨³¨µ¥Á„¨º°Â°Ž·Á˜š °ŠÃ¨®³°Šœ·— Ánœ Cu(OAc)2 ¨³ Ni(OAc)2 Ĝ°Ž·Ã˜œ „ªœÁž}œÁª¨µ 2 ´ÉªÃ¤Š ‹µ„œ´Êœ
Á˜·¤Á°š· ¨¸œÅ—°¤¸œ ץčo°´˜¦µnªœÃ¤¨ Cu(OAc)2 : Ni(OAc)2 : en Ášnµ„´ 0.5 : 0.5 : 2 „ªœ °ŠŸ¤š¸É
°»–®£¼¤·®o°ŠÁž}œÁª¨µ 1 ´ÉªÃ¤Š ‹³Å—o µ¦ž¦³„°Á·ŠŽo°œ °ŠÃ¨®³Ÿ¤ Ni(en)2:Cu(en)2 ×¥˜´ªÁ¦nŠž’·„·¦·¥µ °Š
µ¦ž¦³„°Á·ŠŽo°œœ·—°ºÉœšÎµ„µ¦´ŠÁ‡¦µ³®rŗoÁnœÁ—¸¥ª„´ „µ¦´ŠÁ‡¦µ³®roµŠ˜oœ
„µ¦Á˜¦¸¥¤¡°¨·¥¼¦¸ÁšœÃ¢¤ÂÂ Ȋ
Á˜¦¸¥¤¡°¨·¥¼¦¸ÁšœÃ¢¤ ¤¸„µ¦Ÿ¤ 2 ´Ê œ˜°œ „µ¦Ÿ¤Äœ ´ÊœÂ¦„ Áž}œ„µ¦Ÿ¤¦³®ªnµŠ¡°¨·°°¨
(Raypol®4221) ˜´ªÁ¦n Šž’·„·¦·¥µ (mixed metal complex catalysts) µ¦¨—¦Š˜¹ŠŸ·ª (surfactant) ¨³µ¦¢¼ (blowing
agent) ¨³„µ¦Ÿ¤Äœ ´Êœš¸É °ŠÁž}œ„µ¦Ÿ¤¦³®ªnµŠ¡°¨·Á¤°¦·‡ ŗ¢eœ· ¨¤¸ÁšœÅ—ðÎŎ¥µÁœ˜ (PMDI; MR 200)
„´µ¦Ÿ¤š¸ÉŗoĜ ´ÊœÂ¦„—oª¥Á‡¦ºÉ °Š mechanical stirrer š¸É‡ªµ¤Á¦Èª 2000 rpm Á¤ºÉ°µ¦Ÿ¤Ÿ¤Áž}œÁœºÊ°Á—¸¥ª„´ œ
¨oªÁš¨ŠÂ¡·¤¡r ‹µ„œ´Êœ‹´ Áª¨µÄœ„µ¦Á„·—¡°¨·¥¼¦¸ÁšœÃ¢¤ Ž¹É ŠÁª¨µš¸É œÄ‹¤¸ 3 nªŠ ŗo„n Áª¨µš¸É µ¦Ÿ¤Áž}œ
‡¦¸ ¤ (cream time) Ž¹ÉŠµ¦¤¸¨´„¬–³Áž}œ¸Á®¨º°Š »nœ Áª¨µš¸É µ¦Ÿ¤Á¦·É¤¢¼ (gel time) Áª¨µš¸ÉŸ·ªÃ¢¤Å¤nÁ„µ³˜· —„´