1、62合成纤维工业2023年第46卷n eer in g Ch emist r y Resea r c h,2014,53(2):619-625.28 SHOU H G,JIA K,ZHOU X,et a l.La r g e sc a le syn t h esis o f a n a mo r ph o us po lyest er ela st o mer wit h t un a ble mec h a n o lumin esc en c e a n d pr elimin a r y a pplic a t io n in o pt ic a l st r a in sen sin
2、g J.Jo ur n a l o f Ma t er ia ls Ch emist r y C,2017,5(17):4134-413&29 GUO N,HU D W,WANG H,et a l.Fun c t io n a l po ly(et h ylen e t er eph t h a la t e)ma t er ia ls pr epa r ed by c o n d en sa t io n c o po lymer iza t io n wit h io n ic li(juid s J.P o lymer Bullet in,2013,70(11)：3031-3040.30
3、 LU J,LJ M J,LI Y Y,et a l.Syn t h esis a n d sizin g per fo r ma n c es o f wa t er-so luble po lyest er ba sed o n bis(2-h yd r o xyet h yl)t er eph t h a la t e d er ived fr o m d epo lymer ized wa st e po ly(et h ylen e t er eph t h a la t e)fa br ic s J.Text ile Resea r c h Jo ur n a l,2019,89(
4、4):572-579.31 ZHOU J F,LI M,ZHONG L,et a l.Amin o lysis o f po lyet h ylen e t er eph t h a la t e fa br ic by a met h o d in vo lvin g t h e g r a d ua l c o nc en t r a t io n o f d ilut e et h ylen ed ia min e J.Co llo id s a n d Sur fa c es A：P h ysic o c h emic a l a n d En g in eer in g Aspec
5、t s,2017,513:146-152.32 LORUSSO E,ALI W,LENIART M,et a l.Tun in g t h e d en sit y o f zwit t er io n ic po lymer br ush es o n P ET fa br ic s by a min o lysis:Effec t o n a n t ifo ulin g per fo r ma n c es J.P o lymer s,2020,12(1):6.Research progress in chemical depolymerization technology of was
6、tepolyester and its high-value added productsLIU Zh iya n g1-2,GUAN Jun3,LV Weiya n g1,WANG Xiuh ua1,CHEN Lin jia n g3,P AN Jia n g fen g3,CHENG Qia n g3,YAO Yuyua n1-2(1.National and Local Joint Engineering Laboratory of Textile Fiber Materials and Processing Technology,Zhejiang Sci-Tech University
7、,Hangzhou 310018；2.Zhejiang Provincial Innovation Center of Advanced Textile Technology,Shaoxing 3120003;3.Zhejiang Jiaren New Materials Co.,Ltd.,Shaoxing 312000)Abstract:Th e c h emic a l d epo lymer iza t io n met h o d s o f wa st e po lyest er wer e in t r o d uc ed.An d t h e d evelo pmen t pr
8、o g r ess o f t h e d o wn st r ea m h ig h-va lue a d d ed pr o d uc t s o f c h emic a l d epo lymer iza t io n mo n o mer s wa s r eviewed in r ec en t yea r s.Th e c h emic a l d epolymer iza t io n o f wa st e po lyest er ma in ly in c lud es h yd r o lysis,a lc o h o lysis,a n d a mmo n o lysi
9、s.In a lc o h o lysis,t h e g lyc o l a lc o h o lysismet h a n o l t r a n sest er ific a t io n t ec h n o lo g y is t h e best wa y t o o bt a in h ig h-pur it y r eg en er a t ed d imet h yl t er eph t h a la t e(DMT)un d er mild r ea c t io n c o n d it io n s,a n d it is a lso t h e ma in st r
10、 ea m pr o c ess r o ut e in t h e in d ust r ia liza t io n o f c h emic a l d epo lymer iza t io n o f wa st e po lyest er.Hyd r o lysis met h o d pr o vid es t h e d epo lymer ized mo n o mer pur ified t er eph t h a lic a c id(P TA)t o d evelo p h ig h-va lue a d d ed c h emic a l in t er med ia
11、 t es,mult ifun c t io n a l met a l o r g a n ic fr a mewo r k ma t er ia ls fo r a d so r pt io n c a t a lysis a n d a zo d isper se d yes.DMT,t h e pr o d uc t o f met h a n o l a lc o h o lysis,c a n be used t o pr epa r e h yd r o c a r bo n fuel,o pt ic a l po lyest er,a n t iba c t er ia l p
12、o lyest er,et c.BHET,t h e pr o d uc t o f g lyc o l a lc o h o lysis c a n be used t o pr epa r e un sa t ur a t ed po lyest er r esin,fla me r et a r d a n t po lyur et h a n e fo a m,wa t er-so luble po lyest er,et c.Th e et h ylen e g lyc o l a lc o h o lysis-met h a n o l t r a n sest er ific a
13、 t io n met h o d is t h e mo st pr o misin g pr o c ess fo r pr epa r in g h ig h-va lue a d d ed po lyest er pr o d uc t s bec a use it pr o d uc es t h e h ig h pur it y o f t h e r eg en er a t ed mo n o mer DMT wh ic h c a n be used t o d evelo p va r io us d iffer en t ia l a n d fun c t io n
14、a l po lyest er pr o d uc t s c o mpa r a ble t o t h e o r ig in a l po lyest er.Th e a mmo n o lysis pr ovid es mo r e d iver sified d epo lymer iza t io n pr o d uc t s wh ic h c a n be used t o d evelo p pla st ic izer s,t h er mo set t in g r esin s,h ig h-per fo r ma n c e films,et c.Th e d ev
15、elo pmen t o f c h emic a l d epo lymer iza t io n t ec h n o lo g ies in t h e fut ur e sh o uld be fur t h er impr o ved in t h e d ir ec t io n o f sh o r t en in g t h e pr o c ess flo w,impr o vin g t h e pr o d uc t yield a n d r ed uc in g t h e pr o d uc t io n c o st,a n d t h e d evelo pme
16、n t o f n ew r ec yc led po lyest er ma t er ia ls wit h d iver sified fun c t io n s a n d h ig h-en d q ua lit y sh o uld be en h a n c ed a n d t h e d evelo pmen t o f ma t c h in g pr o d uc t io n eq uipmen t s sh o uld be fo c used,so a s t o t r uly g ive pla y t o t h e po t en t ia l a d va n t a g es o f wa st e P ET c h emic a l r ec o ver y.Key words:wa st e po lyest er;c h emic a l d epo lymer iza t io n;h yd r o lysis;a lc o h o lysis;a mmo n o lysis;r eg en er a t ed pr o d uc t;
