full2010.pdf - page 1365

1327
P35
ª´ —»—¼—Ž´œÊε¥·É Š¥ª—űצÁ‹¨Ã—¥ž’·„·¦·¥µ„µ¦˜n °„·ÉŠ 2-ű—¦°„Ž¸Á°š·¨Á¤šµ‡¦·Á¨˜ œµ¦Á¤º°„
‹µ„¤Š¨´„
Grafting 2-Hydroxyethyl Methacrylate on Mucilage Gel from Ocimum canum Sims. as a
Superabsorbent Hydrogels.
–´ “ª·«µ ¦´«¤¸¡Š«r 1 ¨³¤µ¨· œ¸ ´¥«» £„·‹·œ›r2*
Natchawisa Ratsameepong1 and Malinee Chaisupakitsin2*
š‡´—¥n °
Šµœª·‹´¥œ¸Ê ¤¸ª´˜™»ž¦³Š‡r Á¡ºÉ°«¹„¬µŸ¨ °Šž¦·¤µ–¤°œ°Á¤°¦r 2-ű—¦°„Ž¸Á°š·¨Á¤šµ‡¦· Á¨˜ (2-HEMA)
˜n°¤´˜·°ŠÂŸnœÅ±Ã—¦Á‹¨‹µ„µ¦Á¤º°„ °ŠÁ¤È—¤Š¨´„Ž¹ÉŠÁ˜¦¸ ¥¤Ã—¥ž’·„·¦·¥µ„µ¦˜n°„·ÉŠ ×¥¤¸Â°¤Ã¤Áœ¸¥¤Áž°¦r
Ž´¨Á¢˜Áž}œ˜´ª¦·Á¦·É¤ž’· „·¦·¥µ ‹µ„„µ¦š—¨°ŠÅ—o šÎµ„µ¦«¹„¬µž¦·¤µ–¤°œ°Á¤°¦r 2-HEMA 0.0900, 0.2707 , 0.4507
¨³ 0.6314 ä¨/¨·˜¦ Ÿ¨„µ¦š—¨°Š¡ªnµš¸Éž¦·¤µ–¤°œ°Á¤°¦r 2-HEMA 0.0900 ä¨/¨·˜¦ µ¤µ¦™ ¹Êœ¦¼žÁž}œ
ŸnœÅ±Ã—¦Á‹¨Å—o—¸š¸É »—¨³µ¤µ¦™‡Š¦¼žÁ¤ºÉ°—¼ —Ž´œÊε ‹µ„œ´ÊœšÎµ„µ¦«¹„¬µ‡ªµ¤µ¤µ¦™Äœ„µ¦—¼ —Ž´œÊε °Š
űצÁ‹¨ÄœœÊ儨´É œ µ¦¨³¨µ¥Á„¨º°œ·—˜n µŠÇ ¨³µ¦¨³¨µ¥´¢Á¢°¦r š¸É¤¸‡nµ pH ˜nµŠÇ„´œ ¡ªnµ‡ªµ¤µ¤µ¦™
Ĝ„µ¦—¼ —Ž´œÊε °ŠÅ±Ã—¦Á‹¨ÄœœÊ儨´Éœ¤¸ ‡nµÁ¡·É¤ ¹ÊœÁ¤ºÉ°ž¦·¤µ–¤°œ°Á¤°¦r 2-HEMA Á¡·É¤ ¹Êœ œªÃœo ¤„µ¦—¼—Ž´
œÊε °ŠÅ±Ã—¦Á‹¨Äœµ¦¨³¨µ¥Á„¨º° NaCl, CaCl 2 ¨³ FeCl3 š¸É ¤¸ž¦³‹»ª„˜n µŠ„´œ Á¦¸¥Š¨Îµ—´Å—o—´Šœ¸Ê Na+ > Ca2+ >
Fe3+ nªœ‡ªµ¤µ¤µ¦™Äœ„µ¦—¼—Ž´œÊε °ŠÅ±Ã—¦Á‹¨Äœµ¦¨³¨µ¥Á„¨º °š¸É¤¸ž¦³‹»ª„®œ¹ÉŠ Á¦¸¥Š¨Îµ—´Å—o—´Šœ¸Ê
LiCl >NaCl > KCl ¨³Î µ®¦´‡ªµ¤µ¤µ¦™Äœ„µ¦—¼ —Ž´œÊε °ŠÅ±Ã—¦Á‹¨Äœµ¦¨³¨µ¥´ ¢Á¢°¦rš¸É¤¸ ‡nµ pH
˜nµŠÇ„´œ¡ªnµÁž¨¸É¥œÂž¨Š ¹Ê œ„´‡nµ pH —´Šœ´Êœ‹¹Š¤¸‡ªµ¤Áž} œÅžÅ—oš¸É ‹³¡´•œµÅ±Ã—¦Á‹¨‹µ„µ¦Á¤º °„ °ŠÁ¤È—
¤Š¨´„Á¡ºÉ°œÎµ¤µÄoÁž}œµ¦ž¨—ž¨n°¥¥µ
‡ÎµÎµ‡´: 2-ű—¦°„Ž¸Á°š· ¨Á¤šµ‡¦·Á¨˜ ¤Š¨´„ „µ¦˜n°„·ÉŠ
1 œ´„«¹„¬µž¦·µÃš µ µª·µÁš‡ÃœÃ¨¥¸¡°¨·Á¤°¦r ‡–³ª·š¥µ«µ˜¦r ™µ´œÁš‡ÃœÃ¨¥¸¡¦³‹°¤Á„¨oµÁ‹oµ‡»–š®µ¦¨µ—„¦³´Š
„¦»ŠÁš¡¤®µœ‡¦ 10520
Master Degree student ( Polymer technology), Faculty of Science, King Mongkut’s Institute of Technology Ladkrabang, Bangkok
,10520
2¦«.—¦. µ µª·µÁ‡¤¸ ‡–³ª·š¥µ«µ˜¦r ™µ´œÁš‡ÃœÃ¨¥¸ ¡¦³‹°¤Á„¨oµÁ‹oµ‡»–š®µ¦¨µ—„¦³´ Š „¦»ŠÁš¡¤®µœ‡¦ 10520
*Corresponding author. E-mail :kcmaline@kmitl.ac.th