±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 183  |  »Ø¸´: 3
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£

huangxz

Ìú³æ (СÓÐÃûÆø)

[½»Á÷] Èý¾ä»°£¬ÖÐÒëÓ¢

ÔÚôȼ׻ù»¯·´Ó¦¹ý³ÌÖУ¬¼î»¯¼×¿ÇËØ·ÖÉ¢ÔÚÈÜÓÐÂÈÒÒËáµÄÒì±û´¼ÖУ¬ÂÈÒÒËỺÂýµÄÉøÈë¼î»¯¼×¿ÇËØ¿ÅÁ£ÖУ¬ÏÈÓë¼î»¯¼×¿ÇËØ¿ÅÁ£µÄÍâ±í²ã·¢Éú·´Ó¦È»ºóÔÙÓëÄÚ²ãµÄ¼î»¯¼×¿ÇËØ·´Ó¦

¼î»¯¼×¿ÇËØ£ºalkali chitin
ôȼ׻ù»¯£ºCarboxymethylation
ÂÈÒÒË᣺chloroacetic acid
Òì±û´¼£ºisopropanol

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

TellNoOne

ľ³æ (СÓÐÃûÆø)

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
huangxz(½ð±Ò+6,VIP+0): 10-24 14:16
during a carboxymethylation process, alkali chitin is dispersed in the isopropanol solution of chloroacetic acid.  The chloroacetic acid slowly immigrates into alkali chitin particle and reacts first with its outer layer and then with the alkali chitin of its inner layer.
2Â¥2009-10-23 08:42:41
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zdongyun

ľ³æ (СÓÐÃûÆø)

¡ï ¡ï ¡ï
huangxz(½ð±Ò+3,VIP+0): 10-24 14:21
During the process of carboxymethylation, alkali chitin is dispersed in the isopropanol solution with the dissolved chloroacetic acid.  The chloroacetic acid permeating into alkali chitin particle reacts with its outer layer first, and then with the inside alkali chitin.
3Â¥2009-10-23 09:46:18
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

yjhorn

ľ³æ (ÕýʽдÊÖ)

¡ï
huangxz(½ð±Ò+1,VIP+0): 10-24 14:21
When carboxymethylation reaction takes place, alkali chitin will disperse in isopropanol with chloroacetic acid. Chloroacetic acid will permeate slowly into the particles of alkali chitin or react with the outer layer of alkali chitin and then with the inner.
ÈÏʶ´ó¼ÒÊÇÔµ·Ö°¡£¡
4Â¥2009-10-23 15:32:01
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ huangxz µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] Çóµ÷¼Á +3 ÕÅ.1 2026-04-05 3/150 2026-04-05 14:43 by wjbo344
[¿¼ÑÐ] ÊýÒ»Ó¢Ò» 347 È˹¤ÖÇÄܹú½±ÂÛÎͼÓÐÇóµ÷¼Á +3 ÎÚÀ­¶ùɽÂö 2026-03-30 7/350 2026-04-05 10:32 by zhq0425
[¿¼ÑÐ] ±¾¿Æ211 ·ÖÊý293ÇëÇóµ÷¼Á +4 Á«²Ë¾ÍÊÇź°É 2026-04-01 4/200 2026-04-04 22:32 by hemengdong
[¿¼ÑÐ] Çóµ÷¼Á Ò»Ö¾Ô¸Î÷ÄϽ»Í¨´óѧ085701»·¾³¹¤³Ì 282·Ö +5 ¶à¶à°®³Ôºº±¤ 2026-04-04 5/250 2026-04-04 22:14 by à£à£à£0119
[¿¼ÑÐ] 283Çóµ÷¼Á +4 mcbbc 2026-04-03 5/250 2026-04-04 20:51 by imissbao
[¿¼ÑÐ] ÇóÉúÎïѧµ÷¼Á +14 15172915737 2026-04-01 14/700 2026-04-04 20:13 by babysonlkd
[¿¼ÑÐ] 342Çóµ÷¼Á +3 Liang7111 2026-04-04 5/250 2026-04-04 19:47 by dongzh2009
[¿¼ÑÐ] µ÷¼Á +4 ÊÇ¿ÉÀÖ²»ÊÇ¿ÉÀÖ 2026-04-04 4/200 2026-04-04 19:41 by ÌÆãå¶ù
[¿¼ÑÐ] 085600²ÄÁÏÓ뻯¹¤µ÷¼Á +26 kikiki7 2026-03-30 27/1350 2026-04-04 09:18 by qlm5820
[¿¼ÑÐ] ²ÄÁÏ¿ÆÑ§Ó빤³Ì¿¼ÑÐ +10 Õü¾ÈÆ¤ÌØÍÐÏÈÉú 2026-04-02 10/500 2026-04-03 23:57 by userper
[¿¼ÑÐ] 301Çóµ÷¼Á +14 A_JiXing 2026-04-01 14/700 2026-04-03 18:31 by lsÁõ˧
[¿¼ÑÐ] 274Çóµ÷¼Á +9 ˳Àí³ÉÕÅ 2026-04-03 10/500 2026-04-03 15:10 by °¡¿¡£¡
[¿¼ÑÐ] ÉúÎïѧ308·ÖÇóµ÷¼Á£¨Ò»Ö¾Ô¸»ª¶«Ê¦´ó£© +6 ÏàÐűػá¹ââÍòÕ 2026-03-31 7/350 2026-04-02 23:16 by JourneyLucky
[¿¼ÑÐ] 301Çóµ÷¼Á +4 ϸ°ûÏà¹Øµ°°× 2026-04-02 8/400 2026-04-02 16:30 by 271179835
[¿¼ÑÐ] 08¿ªÍ·¿´¹ýÀ´£¡£¡£¡ +4 wwwwffffff 2026-03-31 6/300 2026-04-02 11:42 by ¾ùÖµ»Ø¹é
[¿¼ÑÐ] ¿¼Ñе÷¼Á +12 Amber00 2026-03-31 12/600 2026-04-02 09:04 by sanrepian
[¿¼ÑÐ] »·¾³¹¤³Ìµ÷¼Á +9 hyzzzzzzz. 2026-04-01 9/450 2026-04-01 14:20 by salamander`
[¿¼ÑÐ] 0710ÉúÎïѧÇóµ÷¼Á£¡ +6 ÐðÊöÎÄ 2026-03-31 6/300 2026-04-01 09:39 by JourneyLucky
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +7 Ë«ÂíβƦÀϰå2 2026-03-31 7/350 2026-03-31 19:49 by Dyhoer
[¿¼ÑÐ] һ־ԸʳƷ¿ÆÑ§Ó빤³Ì083200Çóµ÷¼Á +4 XQTJZ 2026-03-30 4/200 2026-03-31 04:10 by fmesaito
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û