• 검색 결과가 없습니다.

Synthesis and Properties of Block Copolymer Comprising of Poly(DL-lactic acid) and Poly(ethylene oxide)

N/A
N/A
Protected

Academic year: 2022

Share "Synthesis and Properties of Block Copolymer Comprising of Poly(DL-lactic acid) and Poly(ethylene oxide) "

Copied!
7
0
0

로드 중.... (전체 텍스트 보기)

전체 글

(1)

Demo

  N

#

Sro|+odfwlf# dflg,+SOD,.# wNË# &Fö¶# š

‚# ºwö# Öö# æ¾Ò# "Ö2# vž# Òz/#

Š[Ffö¶.# Z2ò&# Fzö# ‚ªÞ# Zbz# "

~1407#ʶ#’#Š.#SODò#š²˖#ºŠË ò# ?[Þ# C›Öö# ö# SODÚ# sro|+hwk|ohqh# r{lgh,#

+SHR,ò#®÷«Nò#ËÞ#:òš~1#SHR.#

²CËò# z*ö¶# ƺ2F¶/# ^ö˶# ‹j#

ªF# FC²z# "Ö/80:# jæJÖö# ¶# –FF Ú# ºŠòz# ö²Ë# ªö# ,Ê# æÒj# «vNj#

ò# Ffj# ^Ëjf# Þb/# ¢û›Ë+¢žË,

^# †ò.# # Žz²N# "Ö;# S/# wNj# š ò†# Îö# # 7²N# "~1</43# Ú# ³# Ғ

Sro|+GO0odfwlf#dflg,2Sro|+hwk|ohqh#r{lgh,V#\:.#

aÃ\<In#<ƒ#½#&ƒ#

ŽÚ±%"ãm.#

.

)3112Ä!9C!33w!¨&-!3113Ä!8C!7w!f)*!

!

Synthesis and Properties of Block Copolymer Comprising of Poly(DL-lactic acid) and Poly(ethylene oxide)

Chan Woo Lee

%

and Kie Seo Bae

.

Department of Innovative Industrial  Technology, Hoseo University, Asan-City 336-795, Korea

.Department of Textile Engineering, Chungnam National University, Taejon, Korea

e-mail :

/

cwlee@office.hoseo.ac.kr (Received August 22, 2001;accepted July 6, 2002)

‚ k+GO0odfwlghò# ‚ªÞ# ¶ºú# C›Öö# ¶ò«/Öö# £~ö¶# glhwk|o}lqf +]qHw#,# F Cò†/# sro|+hwk|ohqh# r{lgh, +SHR,# ҒÖRö¶# ^ö# ®÷«N# Ëòš~1# ’# J–#

~# «N# *>R/j# ò# ÞÖö# ¶+ò†# 93# ~j¶# 5 18Ê# Šzò†# ?~rÞ# ~vò

š~1# Bz# «N# ÞÚ# SGOODj# šö# SHRj>æ# BšÞò# 7šj# Ê# ^ËÂ# šò² .# # šÊ²N# ҒÖR# ^j# òö# ºŠËò# 7š# ïòšÖ# ºŠË# .².# òCF fö¶ò#ʚ#,š~1#

#

"#453"$5+Wkh#eorfn#frsro|phuv#zhuh#suhsduhg#e|#wkh#ulqj#rshqlqj#sro|phul}dwl rq#ri#GO0 odfwlgh#e|#sro|+hwk|ohqh#r{lgh,+SHR,#zlwk#glhwk|o}lqf +]qHw#,#dv#d#fdwdo|vw1#Zkhq#wkh#ihhg#

udwlr# ri# SHR# zdv# ryhu# 63(# uhodwlyh# wr# GO0odfwlgh/# wkh# sro|phul}dwlrq# ri# GO0odfwlgh# wrrn#

sodfh# iurp# wkh# SHR# k|gur{|o# whuplqdov# wr# surylgh# wkh# ghvluhg# D 0E0D# ru# D0E# eorfn#

frsro|phu1#Wkh#eorfn#frsro|phuv#zhuh#pdgh#ri#ilopv#e|#fdvw#phwkrg#dqg#wkh#ilopv#rewdlqhg#

zdv#gudzq#wr#518#wlphv#dw#93# ~1#Dw#wkh#vdph#gudz#udwlr/#wkh#whqvloh#prgxoxv#ri#wkh#ilopv#zdv#

ghfuhdvhg#zlwk#lqfuhdvlqj#SHR#frqwhqw#lq#wkh#eorfn#frsro|phuv1 #Lw#zdv#wkhuhiruh#vxjjhvwhg#

wkdw# wkh# eorfn# frsro|phuv# frpsulvlqj# ri# SGOOD# dqg# SHR/# kdg# kljk# srwhqwldov# dv# wkh#

elrpdwhuldov#zlwk#lpsuryhg#ioh{lelolw|1#

#

Keywords+block copolymer, hydroxy terminal, draw ratio, flexibility.

(2)

ÖRò# ^j# ò# SODš# Zf# wN›ËÞ# *[

v>Z# äz# Ffj# ^Ëò# 7šÚ# ÞJ¯›‡ò# ï

š# ©# ö²Ëò# 7šj# òö# š²vžò# ‚/#

‚NÒ#C›ò#¶b#ˏ²F#ïzö~1#

SOD.#odfwlf#dflg +OD,ò#ò[#5cN#odfwlghò#

¶ò«j# ò# UÞ# ²# "Ö144/45’# ~rj¶.#

«^j# ›“ö# whohfkholf# sro|+r{|hwk|ohqh,# ##

SHR# FvNÖö# +j‚ÖöÊ# sro|odfwlghŠ

^š# Ë?ò†# ®÷«Nš# UNb# Öö# ¢[¶

~1#SHR.#fduer{|o#jurxsÞ#+j‚j#š^#SHRJ ÖöÊ#Cò&#º^ú#²#"~1##

OD.# î’Ê# †òz# "Ö# î’Êò# NÊ òj# òò†# O¯/# G¯ò# «óËN# ©# ҒNš#

Fö~1#ʶ#z*#SODj^#«óöË#O¯/#

G¯# ª.# O¯–# G¯# S¯ÞÂö# «¶# «óöË N# ©# ҒN# GO¯# Fö~1# ~Ú# Bê# w Nû²Ë–# wN›ËÞ# RÞòz# "Ö2/# N

j# òò†# z*ò# ÖËÚ# žšö# Â# Žz# "

~1# ’# žšö# Â.# J¯ö¶# O¯/# G¯Ú# zJ

¯ËÞ#2ZN.#j#²ò†/#GO¯Ú#~Âj¶#š

>[v# 2ZR~1# Ú# ³# [†¶# ËbÞ# Cò

†# SOOD.# böN# wNFfö¶# «.žö# ëC#

‚NZz# "~1# ¢~# ,Ú# J¯Ë–# î’Ê#

†j# òö# &²ËÖö# Ë# HÞ# ?ʞò#

²ÊžÞ# .ò.# ¢# ©#  ž# ‹j# ëC

²z# GO¯Ú# ÞJ¯ËZö# zb# ¯Ëú# ²#

"ÖZö# ÖN;v>ö +GGV,j# ëC# š?ò~1#

’†2# O¯j# šò†.# ²hÚ# Šš# ^#²z# "

Ö2# GO¯j# šò†.# Z¢æZ# ò# Šš# ‚N ZZ# äÚ# [v~1# ’# Šj¶.# ö–j# òCFf ö¶# š†# k«²z# ".# GO0odfwlgh# ‚cNö

¶#FCò†/#SHRÚò#®÷«N#Ëò†#ÞÖ ö#˯ö#^/#Þj#šò†#ÖËÞ#:òš~1#

#

Ò  Æ



Êk# SHRJÚ# Ndzdnhq# Fkhplfdo +Mdsdq,Öö

Ê# ¶µÚ# ‚J +Pz2Pq@414b415,/# ²c z*cÚ# Pq@733 +q@91:,/# 7333 +q@;;1:,ö# ª 5/50glphwkr{|sursdqh/# î^Æ/# –JÞ# Bšò.# Ã

/Þ# FCò†# Ëö# ^/# SHRJò# *cj# šëò

†# SHRj>æ# &733/# &7333# òš~1# GO0 odfwlgh.#vªò#GO0odfwlf#dflg#533#~ö#šŽò

†# C# b²/v¶# ÆFzÒ[vò# SOD# Ëò

šÖ/# †Êj# £~ö¶# Ve5R6# Bšò†# ªïòj

¶#šŽ/#Žj#ò#w˲.#GO0odfwlgh#7òò

š~1#wËÖÞ#hwk|o#dfhwdwhö#Cò†#6&¯^#F J¯Þ# ~v/# # ^# Ëc# [J¯Þ# Ub~1# Gl0 hwk|o}lqf^+F5K8,]q`Ú# +ª,N^© +Mdsdq,ÖöÊ#

¶µÚ# 43# zw(# JCûÞ# ’šö# FCòšÖ/#

’# ò# B‚n/# hwk|o# dfhwdwh/# 5/50glphwkr{|sur0 sdqhÚ#vªò#Þ#7òj#ò#¯¶ò†#FCòš~1#

#SHJò# w–# SHJJj¶# SHJj>æö# š .#²ëwÚ#~æ–#³~1#

#

HOCH2CH2O CH2CH2OH

Pd - Pt O2 n CH2CH2O

CH2 CH2CH2O HOCCH2O

O

COH O HCl Me2C(OMe)2

__

CH2CH2O

__

CH2 MeOCCH2O

O

COMe

O #

#

# JSF»¯Ú#+ª,áC'Å +Mdsdq,ò# KOF0

;35D?ò# FCò†# froxpqÂ^# 6;# ~j# ¾¯

ö# ^# *c# ©# *c†.# ‚J# sro|vw|uhqh Þ# öšÖbö# ö# òJò# FCòš~1#4K0QPU

·Ú# KlwdfklF# U05 7E# *Ê# ?òö# FGFo6C

~# FC/# NʚÖö.# whwudphwk|o# vlodqh +WPV,

#FCòš~1#LU#»¯Ú#MDVFR#LU#D04¯#?ò#

FCò†# NEu/# ©# ¯¶/Þ# FCòš~1# GWD»¯

Ú#+ª,áC'ÅC#GW063Ž·?ò#FC/#vdp0 sohc#8#pj/#SÂÂ^#43#~2plqò#j¶##òš

Ö/# ?~rÚ# +ª,±@ú¬¦}C +Mdsdq,# ?

vrÊ# WRP# 5 33G# FCòš~1# vrRÚ# ÞÞ#

‡# 8# pp/# Ò# 5 3# pp# *# ^/# z¯v¶# ?'

^#8#pp2plqÖö#öš[vj¶#»¯òš~1#

%-MBDUJEF.1&0¾’:>FKãÿW# 83# pOò#

ÿ–# ¦>j# GO0odfwlghÚ# &¯cò# SHRj>

3(2



 3(2DFLG







3(2HVWHU

(3)

æ# Bšò†# ^òj¶# 9vž# :šò&# v

>z# b&òò# ^/# B‚n# 813# pO# Bšò†# ê² ò¶# ;3# ~ö# šŽò†# zö# CûÞ# ¶+òšÖ /# ’# ^# £~# glhwk|o}lqf# GO0odfwlghj# šö#

43#zw(š#²^÷#Bšò.#¶ž#w˶#z*š#ž

²bÖ2# ’šö# 6vž# ¯^# ê²ò¶# ²ëÞ# ^' òš~1# ²ëf# ^# ~ÂÖö# c›v¶# &cò# dfhwlf#

dqk|gulgh +β¢J,# Bšò†# 6vž# ²ëv¶# j

‚²JÊò# ÞҒî# ~vòz/# ²ëCûj# öö

†CûÖö# Cv¶# šcò# î^ÆCû# «j# Fž

ö#^/#žÖÞ#†–ò†#jæö#Ò¯ö#^/#^

v¶#Ëcò#wËÖÞ#,Ú#²Âö#Ub~1#GO0odfwlgh j# šö# SHRj>æò# Bš«cÞ# GO0odfwlgh2#

SHR@4324/#4325/#4326/#4327ö#ZîvNj#ò#Ë

# ~# «N# UbÖ/# Þê# žò†# GO0 odfwlghò#‚_«N^#³Ú#Ã/Öö#Ëòš~1#

ãÿW¢ 2HF ê ÞÎ# «N# öö

†j# Cv¶# ºFª# žj# *>Rö# ^/# ò‚# sâ#

¶# êH# 5 8b93#µp# ¯^ò# Æö# ÞÞ# Ub~1#  Ú# ³Ú# ÞÞ# Ž'¶òw# Êj¶# ²sw# Šz Ê# FCò†# 5 18Ê# Šzòš~1# Þò# Šz# 5 18 Ê# [# ²# Þò# *ʎ# †Ò# kdoorz¯v

# ‚ò†# "Æö# Þö# ‚NZZö# ŠzÚ#

518Êö#¯òš~1#

#

žêýÎ



%-MBDUJEF.1&0¾’:>FãÿW# SOD.# OD#

[«b²# «/j# òò†^# UÞ# ²# "Ö2# *c#

43333ž^ö# ޖ# Hò~1# ʶ# ODÆFzÒ# Ž

v¶# ò[cNò# GO0odfwlgh# Ë# ^# 

Þ#¶ò«j#ò#z«^ò#SOD#wËòš~1#

’# Šj¶.# ¶ò«^j# whohfkholf# ÆFzÒ#

SHRj>æ#v>.#²ëj#ò#«Þ#:

òš~1# GO0odfwlghò# ¶ò«Ú# ‚>J# ª.# ¢ '–Þ# £~ö¶# FCö# O[ò# exon# «/Öö# # ò†Z2# ®÷«ò# WJ.# exon# «Þ# ò# Ë b# ¶ö# ~# z*FF# Fj¶# [Fš# ¶w ò†# «Nò# ²Â# šò².# ‚ª# "~1# ~¶

ö# GO0odfwlghÚ# SHRj>æ# wlq+LL,# rfwdqrdwh#

£~# «j¶# «Þ# ~vòšÖ2# zbò# «N

# FžË# %&# UÞ# ²š# `b~1# ʶ# :š#  vB# GO0odfwlghÚ# SHRj>æ# B‚nj# C

v¶# £~ö¶# zöË# glhwk|o}lqf +]qHw#,# F Cò†# Cû«Þ# ~vòš~1# Wdeoh# 4j# šö›#

GO0odfwlghÚ#SHRj>æò#«#J–#2ZN b~1##

wËÖÚ# Bê# ËczN# ²ÂÚ# 87b:;(~1#

Ú# ’²ëò# GO0odfwlgh# ‚cN# ©# SHRj>æ

# ª.# š*cò# wËÖ# Fžvj# ¶¶#  Öö#.»¶~1##

Iljxuh# 4j# GO0odfwlghÚ# SHRj>æò# BšÞ

š# 4326# WJò# wË# «N# +Uxq# Qr1# 7,ò#"K0 QPUÖ# 2ZNbz# ›# Öò# Z'Ú# ~æ–# ³

~1#"K0QPU +FGFo$,#δ# 418: +g/# FFK$,/# 61:# +p/#

RFK#FK#R,/# 71<b814 +p/# RFKFR,# ªö# LUÖj

¶.#4:83#fp"#©#4433#fp"j#ν#F@RÚ#ν#F0R#

:šöö# û²Öš# šÊ²b~1# ~# BšÞò# 

«Nj¶^# ³Ú# W?ò# Öš# šÊ¶# Öö# Ž Þ#SGOOD0SHR#®÷«Nš#¯Ë²bæÞ#vF òš~1#δ#61:–#δ#813–#Öò#›ÞöÊ#«

N# «ò# SOD2SHRËÞ# ^Jòš~1# ’# ¬Þ#

Wdeoh# 4ò# ¶# 9j# 2ZNbÖ2# SHR‚žò# JÞ .#BšÞŽ~#HÚ#Öö#ŽÞ#«N#«j#SHRj

>æò# ^# Z# äæÞ# ïòšÖ/# ʶ#

«N# «j.# Vfkhph# 4j# 2ZR# –# ³Ú# D0 E0D¯ +d,–# D0E¯ +d′,ò# «N# j# SGOOD 7DEOH  7\SLFDO 5HVXOWV RI WKH %ORFN &RSRO\PHUL

]DWLRQVRI'/ODFWLGHZLWK3(2HVWHUVa uxq# SHRhvwhu# Odf2SHR# G# |lhog# Odf2SHRb# Qr1# 2G# e|#zw# xqlw#proh# +(,# xqlw#proh# 2GÝ43% c#

4# 0# G# G# <3# G# 9 15#

5# 733# 4324# G#;9247# 9;# G#<;25# 518#

6# G# 4325# G#:8258# 87# G#<828# 516#

7# G# 4326# G#9:266# :;# G#:<254# 517#

8# G# 4327# G#8;275# 95# G#;3253# 519#

9# 7333# 4324# G#;9247# :6# G#;;245# 71;#

:# G# 4325# G#:8258# :3# G#;9247# 718#

;# G# 4326# G#9:266# 94# G#:<254# 718#

<# G# 4327# G#8;275# 8;# G#;8248# 61<#

a#Vroyhqw#=#wroxhqh/#fdwdo|vw#=#]qHw##+;3# ~/#6#ku,1/ # #

b#E|#"K0QPU#vshfwud1# #

c#E|#JSF#lq#uhihuhqfh#wr#sro|vw|uhqh#vwdqgdug1 # #

(4)

‚_z*^# †¶# Öö# .»¶~1 +SHR‚_z

*.# Fžj# ò# ޞ# ¶²b~,1# ªö# SHR j>æò# BšÞš# 63(# [j¶.# Ëޚ# £C

# [Sòš~1# Ú# «ò# ¢Êj# ‚^ò# SGOOD öËj‚# SHRj>æ[j# ʲ.# ïú# #

–j¶#£[SòÊ#æÒ#.»¶~1#SHR#&733

Ž~# SHR# &7333«Nò# Ëޚ# ,Ú# Ú# Š

^sj#òö#«#ïú#~^##Þbz#SHR FF# Î# &7333j¶.# Ëò# ‚žš# &# ²bÊ#

æÒ#w›¶~1#

Iljxuh# 5j# GO0odfwlghÚ# SHR# &733/# Iljxuh# 6 j# GO0odfwlghÚ# SHR# &7333«Nò# JSF{º Þ# 2ZNb~1# N*# WJj# "N¶^# «Nò# 

*c# ©# *c†.# SHRj>æò# BšÞj# šò

†# # ›?Ú# `b~1# ’†2# SHRj>æò# BšÞ

š# 63([# WJ# wËÖò# JSF{ºÚ# £ +¼, Ëò# Ö# 2ZNb~1# z*c»ò# Ö.# SGOOD ò# ºÞš# ,Ú# «Nz/# š*c»ò# Ö.#

SHRj>æò# ºÞš# ,Ú# «N~1# # J–

.# SHRj>æò# BšÞš# ,Þb²÷# SHRj>æ

[j#‚[#SGOODò#öËj‚#Ž~#h#Fò

&²N# «N# «ò# SHRj>æ# Ëޚ# ,Þ

^#Þ#ïòš~1#SHR#&733Ž~#SHR#&7333Þ#

FCö# «Nš# cz›Öö# *c# # Þ# æ#

²# "~1# Ú# SHRj>æò# Bš«cޚ# ¯ú#

WJ/#’#*c#²÷#J².#ª&òÊ#æÒj#Š

O O

O O Me

Me

44

Me O C O

CH2 O CH2CH2O nCH2 C O

O Me

/

GO0Odfwlgh/ / / / # / / / / # / / / SHR#hvwhu#&733# # SHR#hvwhu#&7333# #

/

C O

CHO Me

mCCH2O O

CH2CH2O nCH2CO O

CHO O C Me

m'

/ d#

C O

CHO Me

mCCH2O O

CH2CH2O nCH2COMe

O

/

d′#

6FKHPH#V|qwkhvlv#ri#GO0odfwlgh#dqg#SHRhvwhuv1

/

)LJXUH #"K0QPU# vshfwud# ri# eorfn# frsro|phuv# ri#

GO0odfwlgh#zlwk#+D,#SHR#&733#dqg#+E,#SHR#&7333#dw#

wkh#vdph#ihhglqj#udwlr#ri#9:266#lq#zhljkw1

/

)LJXUH # W|slfdo# JSF# fxuyhv# ri# GO0SHR# &7331#

+D,# GO0krpr/# +E,# GO+;9,0SHR+47,/# +F,# GO+:8,0 SHR+58,/#+G,# GO+9:,0SHR+66,/#dqg#+H,#GO+8;,0 SHR+75,1

/

(5)

^s#ª&ò†#SGOOD®÷Š^š#ÒNZÊ#æÒ Öö# .»¶~1# SHR# &733Ú# SHR# &7333«N

# Þêò# ^J[Öö# ž*ò# SGOODŠ^# Ò.#

^*ò# 4243# ²N# ò2# ~¶.# +*ò# *c#

425¯^°j# ’òZ# Uö# Öö# ŽÞ# SGOOD‚_

z*š#ÖF²N#’#š#/&¶#Öö#.»¶~1##

Iljxuh# 7j# GO0odfwlghÚ# SHR# &733/# Iljxuh# 8 j# GO0odfwlghÚ# SHR# &7333«Nò# GWD{º Þ# 2ZNb~1# SGOOD.# ί¯Öö# ºFž# :

šö# ö# +Ú# ûŽÖ# 74# ~j¶# 2ZR~ +{º# D,1#

SHR# &733ò# «N.# SHRj>æò# Ëޚ#

7šj# Ê# Öš# šÂ»Öö# sòz# ªª# + ÞZ¶# SHRj>æò# Ëޚ# ,Ú# {º# G# +Uxq#

Qr1#7,j¶.#ûŽÖš#š»²Z#äò~1#~¶ö#Uxq#

Qr1# 5ò# «N.# ~Âj¶# ºF[vö# 2# ¶Z2/#

Uxq# Qr1# 6/# 7ò# «N.# zÎ[Öö# ºŠö# SË Þ#2ZNb~1#ªö#SHR#&7333«N.#SGOODÒ

’ÖRò# ºFžÂ^# :šö# ö# +Ú# ûŽÖ#

j# SHRj>æ# ҒÖRò# ϪÞ# :šö# ö# û

ŽÖš#73b83#~#–j¶#š»²N#^*.#SHRj

>æ#BšÞò#7šj#Ê#~æ~1#’†2#SGOOD#

:šö# ö# 73# ~ò# +Ú# ûŽÖ^# svj# šÊ² )LJXUH # W|slfdo# JSF# fxuyhv# ri# GO0SHR# &73331#

+D,# GO0krpr/# +E,# GO+;9,0SHR+47,/# +F,# GO+:8,0 SHR+58,/#+G,#GO+9:,0SHR+66,/#dqg#+H,#GO+8;,0 SHR+75,1

/

)LJXUH #W|slfdo#GWD#fxuyhv#ri#GO0SHR#&73331#

+D,# GO0krpr/#+E,#GO+;9,0SHR+47,/#+F,#GO+:8,0 SHR+58,/#+G,#GO+9:,0SHR+66,/#dqg#+H,#GO+8;,0 SHR+75,1

/

)LJXUH # W|slfdo# GWD# fxuyhv# ri# GO0SHR# &7331#

+D,# GO0krpr/#+E,#GO+;9,0SHR+47,/#+F,#GO+:8,0 SHR+58,/#dqg#+G,#GO+9:,0SHR+66,1

/

(6)

N#{ºF +Uxq#Qr1#:,.#+»#«¶#Öö#w›

¶~1# # J–öÊ# SGOODÚ# SHR# &7333«

SHRj>æ# ҒÖRš# Ú# SHR# &733«N .# Wj š# šòò# Þê›# ’ö# [F# ª.# zÎ

# š^# Öö# w›²N# øÖö# ÿ’".# 

ö#w›¶~1#

ãÿW¢ 2HF ¶# SGOOD0SHR«N.#

˯Ë# +Òò# ¶+¶# *>R# ÞÚ# Bz# WJ j# "N# J¯îš# ¶wòZ# äÞ# ÆòšÖ# ~#

Þò# ËbÞ# cšòÊ# žò†# ?~rÞ# ~vòš

~1# Iljxuh# 9j# ›# SGOOD0SHR«N# Þò#

?¯^Ú# ^ËÂò# Zî# SHRj>æ# ËÞj#

šò†#2ZNb~1#SHRj>æ#BšÞò#7šj#Ê#

^ËÂ# žšò&# šòò.# W?# šÊ²bÖ2/#

SHR#&7333«N#Þò#^ËÂÚ#SHRj>æò#

Ëޚ#7šò†^#Zîš#`b~1#Ú#SHRj>æ

# FF# J¯î²N# SGOOD^ò# š&î ++À^,#

ÃòÊ# æÒÖö# w›¶~1# ªö# SHRj>æ#

Ëޚ# 7šj# Ê# ¯^š# šòö# Ú# *cò#

šòj#Ê#Öö#w›¶~1#SHR#&733«Nò#

Ëޚ# 43(# ÞÚ# ø¶# R£ö# ®Ú# ³# 73# ~##

–j¶# zÎ[vö# z^š# +Òò2/# ~Âj¶.# º F[Öö#>†Ò#?~r#"š?òš~1#

Iljxuh# :j# SGOODÚ# SHR# &733«Nò# Šz ö# Þj# šò†# ?¯^# ©# ?^ËÂÞ# »¯ò

†# SHRj>æ# ËÞÚò# š^# 2ZNb~1# Š zÚ# 93# ~/# ŠzÊÂÚ# 5 18Êö# òš~1# N*# WJ ò# ËÞ^# Šzj# òö# ¯^ò# [S# šÊ²b

ª&ò.#Þ#æò~1##

[ò#J–öÊ#SGOOD0SHR«N.#SGOOD#

‚_z*ò# ^Ë–# Þêò†# šòš# š»²N#

SGOOD# ‚_z*j# ºŠË# †²bæÞ# ïò

š~1#Þò#˯/#©#ŠzÊÂò#:j#ò#öÏî#

,Ú# ¯^Ú# z^# RÞö# ºŠö# ÞÞ# ¶+ú#  Öö#ïzö~1#

#

ž  N

#

SGOODj# SHRj>æ# ҒÖR# ö›ò# «

Þ#¶+ò†#?~rÞ#~vö#J–/#SHRj>æ#

ËÞò# 7šj# Ê# ^ËÂ# šòò†# ºŠËÞ# ï )LJXUH # Fkdqjh# lq# whqvloh# vwuhqjwk# dqg# prgxoxv#

zlwk# wkh# SHR# udwlr1#  + GO0SHR# &733# whqvloh#

vwuhqjwk/# ‘+GO0SHR# &733# whqvloh# prgxoxv/# —# =#

GO0SHR# &7333# whqvloh# vwuhqjwk/# ˜ + GO0SHR#

&7333#whqvloh#prgxoxv1

/

)LJXUH # Fkdqjh# lq# whqvloh# vwuhqjwk# zlwk# wkh# SHR#

udwlr1# +ylujlq# ilopv/# —+gudzq# ilopv# wr# 5 18# wlphv#

dw#93#~1

/

(7)

òšÖ/# SGOOD0SHR«N# ÞÚ# ~Âj¶#

zÎ[Zö# ÖN;v>ö +GGV,# ‹ò# ëCj^#

ʚš²/# SHRj>æ# ҒÖR# ^j# ò#

SGOODš# Zf# wN›ËÞ# *~v>Z# äz# ºŠË

–#Ëò#¶Nš#C#š?òF#ïzö~1#

#

þšFî’# Š.# ö–óF‚# C›Ê¢Š#

+U35053330336;7,# Zjj# òò†# ²#²bÖ#

j#ªFvWb~1##

#

& Î & º

# #

# 41# V1# Jrjrohzvnl# dqg# D1# M1# Shqqlqjv/# Macromol.

Chem., Rapid Commun1/#/5:<#+4<;7,1#

# 51# D1#U1#Ndw}#dqg#U1#M1#Wxuqhu/#Surg. Gynecol. Obster1/##

 /#:34#+4<:3,1#

# 61# D1#V1#Kriipdqq/#J. Appl. Polym. Sci., Polym. Symp1/# /#

646#+4<::,1#

# 71# D1# P1# Uhhg# dqg# G1# N1# Jloglqj/# Polymer/# /# 7<7#

+4<;4,1#

# 81# V1# Jrjrohzvnl# dqg# D1# M1# Shqqlqjv/# Macromol.

Chem., Rapid Commun1/#/;6<#+4<;5,1#

# 91# M1# Khoghu# dqg# M1# Ihlmhq/# Macromol. Chem., Rapid Commun./#/#4<6#+4<;9,1#

# :1# G1#M1#Fdvh|/#X1V1#Sdwhqw#77463:#+4<;6,1#

# ;1# F1#F1#Fkx/#Polymer/# /#8<4#+4<;8,1#

# <1# G1#O1#Zlvh/#Toxicology and Appl. Phormacology,#/#65<#

+4<;5,1#

431# G1#D1#Jxqwhu/#Am. J. Hosp. Pharm1/# /#88;#+4<:7,1#

441# F1#H1#Orzh/#X1V1#Sdwhqw#5/9;;/495#+4<87,1#

45 1# R1# Zdvvhupdq# dqg# F1# F1# Yhuvihow/# X1V1# Sdwhqw#

6/;6</5<:#+4<:7,1#

#

참조

관련 문서

Abstract: From poly(lactide) (PLA) and poly(ethylene carbonate) (PEC) synthesized using CO 2 , a PLA/PEC blending film is prepared by melt extrusion and then drawn

초록: Poly(lactic acid)/poly(butylene adipate-co-terephthalate)(PLA/PBAT) 블렌드의 경우 PLA에 블렌딩된 PBAT의 함량이 커질수록 열안정성이 증가하였으며 CaCO 3 첨가에

To observe the presentation of PEG, Figure 1(b) shows the detailed curves in the window of 2θ∈[18 o , 24 o ]. The main crystallinity peaks of PEG were reported to be at o and

The structural order, optical, and electrical properties of poly(3-hexylthiophene) (P3HT) films were profoundly influenced by dipping time and solubility of solvent..

The CEC-2 block copolymer core-shell type nanoparticles were very slowly degraded, suggesting that drug release kinetics are governed by a diffusion mecha ­ nism rather than

Synthesis and Exchange Properties of Sulfonated Poly(phenylene sulfide) with Alkali Metal Ions in Organic Solvents.. Won-Keun Son, * Sang Hern Kim,f and

Abstract: Novel nanocomposite films consisting of genipin-crosslinked chitosan (GC), poly(ethylene glycol) (PEG), tita- nium dioxide (TiO 2 ), and silver (Ag)

Here we wish to report the synthesis of poly[3,4- (silylisopropyl)benzo-l-silapentene] by anionic ring opening polymerization of 3,4-[(silyl)isopropyl]benzo-l-silacyclo-