±±¾©Ê¯ÓÍ»¯¹¤Ñ§Ôº2026ÄêÑо¿ÉúÕÐÉú½ÓÊÕµ÷¼Á¹«¸æ
²é¿´: 903  |  »Ø¸´: 5
±¾Ìû²úÉú 1 ¸ö ·­ÒëEPI £¬µã»÷ÕâÀï½øÐв鿴

έÑ̶ÉÇï

ľ³æ (СÓÐÃûÆø)

[ÇóÖú] ½«ÏÂÃæµÄÁ½¾ä»°×¼È··­Òë³ÉÓ¢ÎÄ£¬¼±Ç󣬸ù¾ÝÆõºÏ³Ì¶ÈÔùÓë½ð±Ò

ͨ¹ýÑÎËá-¶þÕý¶¡°·µÎ¶¨·¨²â¶¨25¡æÊ±Ô¤¾ÛÎïµÄ×î¼Ñ·´Ó¦Î¶ÈΪ30 min£¬Í¬Ê±³É¹¦ÖƱ¸ÁËһϵÁÐÐÔÄÜÎȶ¨µÄC£¬ìÊֵΪ16~37 J/g¡£Ïà½ÏÓÚX£¬AµÄÄÍÈÈζÈÌá¸ß20¡«23 ¡æ£¬BµÄÄÍÈÈζÈÌá¸ß24¡«32 ¡æ¡£

» ²ÂÄãϲ»¶

ÊÀÉÏ×îÖØÒªµÄÊ£¬²»ÔÚÓÚÎÒÃÇÔں䦣¬¶øÔÚÓÚÎÒÃdz¯×Åʲô·½Ïò×ß¡£
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

genhunter

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
έÑ̶ÉÇï: ½ð±Ò+20, ·­ÒëEPI+1, ¡ï¡ï¡ïºÜÓаïÖú, ÄÜ·ñ½«×îºóÒ»¾ä»°»»Ò»ÏºÍǰһ¾ä²»Öظ´£¬Õâ¸ö×÷ΪժҪ 2015-06-12 15:43:01
By using HCl/di-n-butylamine titration method, the optimal reaction condition for prepolymer is 25 DEG C for 30 min, and a series of C with stable property and with enthalpy value of 16~37 J / G was successfully prepared. Compared with X, the heat resistance temperature of A was increased to 20 to 23 DEG C, and the heat resistance temperature of B was increased to 24 to 32 DEG C.
Àë³É¹¦»¹²îÒ»µã
2Â¥2015-06-12 15:32:49
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

genhunter

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

ÎÊÒ»ÏÂÄãÊÇÖ¸25¡æÎª×î¼Ñ·´Ó¦Î¶È, ʱ¼äΪ30 minÂð£¿
Àë³É¹¦»¹²îÒ»µã
3Â¥2015-06-12 15:39:32
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

έÑ̶ÉÇï

ľ³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
3Â¥: Originally posted by genhunter at 2015-06-12 15:39:32
ÎÊÒ»ÏÂÄãÊÇÖ¸25¡æÎª×î¼Ñ·´Ó¦Î¶È, ʱ¼äΪ30 minÂð£¿

ÎÒÏë˵ÔÚ25ÉãÊ϶ÈÏÂ×î¼Ñʱ¼äΪ30min
ÊÀÉÏ×îÖØÒªµÄÊ£¬²»ÔÚÓÚÎÒÃÇÔں䦣¬¶øÔÚÓÚÎÒÃdz¯×Åʲô·½Ïò×ß¡£
4Â¥2015-06-12 15:46:12
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

genhunter

ÖÁ×ðľ³æ (ÖøÃûдÊÖ)

ÒýÓûØÌû:
4Â¥: Originally posted by έÑ̶ÉÇï at 2015-06-12 15:46:12
ÎÒÏë˵ÔÚ25ÉãÊ϶ÈÏÂ×î¼Ñʱ¼äΪ30min...

the optimal reaction time at 25 DEG C for prepolymer is  30 min;

the same value for B  was increased to 24 to 32 DEG C.
Àë³É¹¦»¹²îÒ»µã
5Â¥2015-06-12 17:19:57
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

mac194

Ìú³æ (Ö°Òµ×÷¼Ò)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

Q:
  ÄÜ·ñ½«×îºóÒ»¾ä»°»»Ò»ÏºÍǰһ¾ä²»Öظ´
A:
  Èç¹û  "ÄÍÈÈζÈ" ÓÉ ASTM D648 Heat Deflection Temperature ²âÊÔÈ·¶¨...
    ASTM D648 testing shows both A and B are more heat resistant than X: by comparison, the Heat Deflection Temperature of A was higher by 20¡«23 ¡æ, that of B, higher by 24¡«32 ¡æ
6Â¥2015-06-12 23:46:10
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ έÑ̶ÉÇï µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] һ־Ը˫·Ç085502£¬267·Ö£¬¹ýËļ¶Çóµ÷¼Á +3 ÔÙæҲҪ³Ô·¹°¡ 2026-04-03 3/150 2026-04-04 05:03 by gswylq
[¿¼ÑÐ] Çóµ÷¼Á£¬Ò»Ö¾Ô¸±±¾©ÖÐÒ½Ò©´óѧ +3 СС´ï²»Áï 2026-04-02 3/150 2026-04-03 22:55 by ³åʸêÄÐÇÍÅ
[¿¼ÑÐ] 343Çóµ÷¼Á +8 °®î¿°í 2026-03-29 8/400 2026-04-03 22:19 by –¹Æ?
[¿¼ÑÐ] Ò»Ö¾Ô¸±±½»´ó²ÄÁϹ¤³Ì×Ü·Ö358 +3 cs0106 2026-04-03 3/150 2026-04-03 21:27 by à£à£à£0119
[¿¼ÑÐ] ѧ˶288µ÷¼Á!!! +3 СÍõxw123 2026-04-03 3/150 2026-04-03 21:20 by à£à£à£0119
[¿¼ÑÐ] 335Çóµ÷¼Á +7 ÉòÇåÁ§ 2026-04-03 7/350 2026-04-03 18:55 by lijunpoly
[¿¼ÑÐ] 310Çóµ÷¼Á +18 ÕùÈ¡¾Åµã˯ 2026-03-30 18/900 2026-04-03 18:35 by lsÁõ˧
[¿¼ÑÐ] 334Çóµ÷¼Á +7 ÔøÑöÖ® 2026-04-03 7/350 2026-04-03 18:21 by lsÁõ˧
[¿¼ÑÐ] 298Çóµ÷¼Á +9 ÖÖÊ¥´Í 2026-03-29 9/450 2026-04-03 17:52 by Jimmyandyou
[¿¼ÑÐ] ¿¼Ñе÷¼Á +3 Draa 2026-04-03 3/150 2026-04-03 17:37 by hgwz7468
[»ù½ðÉêÇë] esi¸ß±»ÒýÂÛÎÄÊDz»ÊÇÄܶÔÖбêÓÐËù¼Ó·ÖºÍ°ïÖúÄØ +5 redcom 2026-04-01 6/300 2026-04-03 15:15 by Howard28
[¿¼ÑÐ] 085801 ×Ü·Ö275 ±¾¿ÆÐÂÄÜÔ´ Çóµ÷¼Á +19 bradoner 2026-04-01 23/1150 2026-04-03 10:07 by linyelide
[¿¼ÑÐ] ÖØÇì´óѧ²ÄÁÏÓ뻯¹¤085600£¬³õÊÔ370+£¬ÇóÇóµ÷¼Á½¨Òé +8 shzhou_ 2026-04-01 9/450 2026-04-03 09:31 by À¶ÔÆË¼Óê
[¿¼ÑÐ] µ÷¼Á +7 ìíáº. 2026-04-02 7/350 2026-04-03 09:11 by »¨ß»¹Ç·600
[¿¼ÑÐ] 085600µ÷¼Á +3 1amJJ 2026-04-02 3/150 2026-04-02 22:00 by ¿ÆÑÐСר¼Ò
[¿¼ÑÐ] ¿¼Ñе÷¼Á +12 Amber00 2026-03-31 12/600 2026-04-02 09:04 by sanrepian
[¿¼ÑÐ] 318Ò»Ö¾Ô¸¼ªÁÖ´óѧÉúÎïÓëÒ½Ò© Çóµ÷¼Á +6 óÆÐÐÖÂÔ¶. 2026-03-28 6/300 2026-04-01 09:28 by oooqiao
[¿¼ÑÐ] 070300»¯Ñ§354Çóµ÷¼Á +15 101´ÎÏ£Íû 2026-03-28 15/750 2026-03-31 17:58 by jp9609
[¿¼ÑÐ] 262Çóµ÷¼Á +7 ZZ..000 2026-03-30 8/400 2026-03-31 10:05 by cal0306
[¿¼ÑÐ] ¹þ¶û±õ¹¤Òµ´óѧ²ÄÁÏÓ뻯¹¤×¨Ë¶378Çóµ÷¼Á +3 Ëþ±ÈÎÚ˹ 2026-03-30 3/150 2026-03-30 22:55 by Î޼ʵIJÝÔ­
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û