新型高分子抗菌剂

新型

可

再生N-

卤胺抗菌剂姓

名

：

指导老师：NovelRegenerable

N-Halamine

Polymeric

Synthesis,Characterization,and

AntibacterialHydantoin-ContainingPolymersYUYU

SUN,GANG

SUNDivisionofTextilesandClothing,UniversityofCalifornia,Davis,California95616Biocides.I.Activity

ofScheme1R₁=R2=CHgBDDD:DFigure1FTIR

spectra

of

DMH,ADMH,BDDD,andBADDD.Figure2¹H-NMR

AND

BADDD.spectra

OF

DMH,ADMH,BDDD,AN-co-ADMHAN-co-BADDDMMA-Co-ADMHMMA-Co-BADDDVAC-co-ADMHVAC-co-

BADDDM1ADMHBADDDADMHBADDDADMHBADDDM2ANANMMAMMAVACVACM1/M2(wt)1/191/191/191/191/191/19Initiator(M)PPSAIBNPPSAIBNAIBNAIBNSolventH₂ODMFH,ONoneH₂O/CH₄OHH₂O/CH₂OHTemp(℃)757275806868Time(h)1.52.01.00.54.55.0Conversion38%63%22%46%54%42%[η](dLg)1.344a1.8640.4460.412b0.776b0.623bWm₁(wt%)°3.43.12.24.11.81.2“Measured

in

DMF

at

25℃,Pmeasured

in

acetone

at

25℃

and

“Wwi:ADMH

or

BADDD

weight

fraction

in

the

copolymers(seeResultsandDiscussionsection

for

details).Table

I

Synthesis

Conditions

and

Some

Properties

of

the

CopolymersWavenumbers(cm-13Figure4FTIRspectra

ofPANandADMHphysicalmixturesofdifferent

ADMH/PAN

weight

ratiointherangeof1725to

2325

cm.Figure3

FTIRspectraof(A),PAN,and(B)AN-co-ADMH.Wny/Wof

themixuresPlot

of1770and

2243

cm-1

peak

area

ratio

and

PAN

weight

ratio.Figure6'H-NMRspectrumof

aAN/ADMHmer.Figure

5

vs

.ADMHcopoly-AA1C000Teinp[C]Figure8FTIRspectraintheregionof1750and2440cm-1of(A),AN-co-ADMH,beforebleaching,(B),(A)afterbleachtreatment,(C),VAC-co-ADMHbeforebleaching,and(D),(C)afterbleaching.Figure7DSCcuresof(A)PAN,(B)AN-co-ADMHand(C)AN-co-BADDD.oxknpn…+AN-co-ADMHAN-co-BADDDMMA-co-ADMHMMA-co-BADDDVAC-co-ADMHVAC-co-

BADDDForm

of

samplesPowderPowderPowderPowderFilmFilmE.coli

concentration(CFU/mL)Flow

speedfor

total

kill10⁶10⁶10⁵10⁶10⁶10⁵(mL/min)0.40.60.50.2NA*NAContact

time

for

totalkill(min)NANANANA1525AntibacterialPropertiesof

HalogenatedCopolymersn

For

powdered

samples

and

for

filmsamples.

icoarb

ntact

time

shown

here

are

minimum

conditions

necessary

for

total

kill

of