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˜n°Â¦Š„—°´—Ášnµ„´ 198.2 kPa ¨³‹µ„„µ¦‡Îµœª–®µž¦·¤µ– NCO conversion (%) ¡ªnµ˜´ªÁ¦nŠ Ni(en)2:Cu(en)2 š¸É
´ŠÁ‡¦µ³®r¹Êœœ¸Ê¤¸ž¦·¤µ–Ášnµ„´ 99% Ž¹ÉŠÁšnµ„´˜´ªÁ¦nŠš¸ÉčoÁž¦¸ ¥Áš¸¥˜´ªÁ¦nŠšµŠ„µ¦‡oµ (DMCHA)
˜µ¦µŠš¸É 1 ¼˜¦š¸ÉčoĜ„µ¦Á˜¦¸¥¤¡°¨·¥¼¦¸ÁšœÃ¢¤Â¨³Ÿ¨„µ¦š—¨°Š—o µœ¤´˜·šµŠ„µ¥£µ¡Â¨³¤´˜·Á·Š„¨
Chemicals / Catalysts
DMCHA
Ni(en)
2 :Cu(en)
2
Ni(en)
2 :Ca(en)
2
Ni(en)
2 :Ba(en)
2
Cu(en)
2 :Ca(en)
2
Cu(en)
2 :Ba(en)
2
Polyol; Raypol® 4221 100 100 100 100 100 100
DMCHA (Ref.)
Catalysts (Mixed metal complexes)
1.2
-
-
1.2
-
1.2
-
1.2
-
1.2
-
1.2
Surfactant; B 8460 2.5 2.5 2.5 2.5 2.5 2.5
Blowing agent; H2O 4.1 4.1 4.1 4.1 4.1 4.1
PMDI; MR-200 166 166 166 166 166 166
Reaction times
Cream time (min.) 0:22 0:28 0:27 0:26 0:30 0:37
Gel time (min.) 0:33 0:38 0:38 0:57 0:42 0:47
Tack free time (min.) 3:00 2:47 11:52 7:05 1:59 2:11
Rise time (min.) 1:10 2:25 - - - -
Density (Kg/m3) 39.6 42.8 46.6 37.8 37.6 42.1
Volumn (V) 8/8V 8/8V 5/8V 7/8V 6/8V 7/8V
NCO conversion (%) 99 99 99 99 97 98
Mechanical properties
Compressive modulus (MPa) 3.54 4.96 - - - -
Compressive strength (kPa) 198.2 262.7 - - - -
¦»žŸ¨„µ¦ª·‹´¥
‹µ„„µ¦š—¨°ŠŸ¼oª·‹´¥Å—o¡ªnµ˜´ªÁ¦nŠž’·„·¦·¥µÄœ„µ¦Á˜¦¸¥¤¡°¨· ¥¼¦¸ÁšœÃ¢¤š¸É čoŗo—¸ ‡º° Ni(en)2:Cu(en)2
ÁœºÉ°Š‹µ„Áª¨µš¸ÉčoĜ„µ¦Á„·—â¤Á¦Èª„ªnµ˜´ªÁ¦nŠšµŠ„µ¦‡oµ (DMCHA) ÁœºÉ°Š‹µ„ÁœºÊ°Ã¢¤¤¸‡»–£µ¡—¸ ¤¸ ¸Á®¨º°Š°n°œ
Ťn‡¨ÊÎ µ ¦ª¤™¹Š‡ªµ¤®œµÂœnœ°¥¼nĜÁ„–”r š¸É—¸ Ťn¥»˜´ªÁ¤ºÉ °˜´—š·ÊŠÅªo