chế tạo nghiên cứu tính chất và hình thái cấu trúc vật liệu composite trên cơ sở copolyme etylen viyl axetat và nanosilica

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CHế TạO, NGHIÊN CứU TíNH CHấT Và HìNH THáI
CấU TRúC CủA VậT LIệU COMPOZIT TRÊN CƠ Sở
COPOLYME ETYLEN-VINYL AXETAT (eva) Và
NANOSILICA










2014

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CHế TạO, NGHIÊN CứU TíNH CHấT Và HìNH THáI CấU TRúC
CủA VậT LIệU COMPOZIT TRÊN CƠ Sở COPOLYME ETYLEN-
VINYL AXETAT (eva) Và NANOSILICA













H 2014










             





             




-2010.02).







ii







           













i

Trang


 v
 viii
 xiii
 1
 3
1.1. Copolyme etylen vinyl axetat (EVA) 3
 3
 4
 4
1.2. Nanosilica 5
 5

 7
 7
 gel) 7
-gel 8
 9
 10
1.2.4.1.  10
 12
 12
lyme/silica 13
 13
 13



ii
 14
-gel 15
1.3.2         
polyme/silica 17
 18
 18

 22
 27
 35
 35
          
EVAgAM 35
-gel 35

 36
 36
 36
 37
 37
 37
 37
 38
 38
 39
 40
 41
 42



iii
           
       
sol-gel 42
           
         
- 42
 42
 49
 54
 57
 60
           
         

- 63
 63
 65
 69
 72
 75
 77
           
        
 77
3.2.1 78
 84
 86
3.2.4 89



iv
 93
 95
 97
  97
 98
 99
 101
t -  102
 106
 108

 109



m 111
       

 116
 118
2 120
 122
 124
 125
 127
 144




v



APTES
3-amino propyl trietoxy silan
A
s


CTAB
n-hexadexyl trimetylammoni bromua
CCT

(cone calorimeter test)
DCP
dicumyl peoxit
DSC
(differential scanning calorimetry)
DTA
(differential thermal analysis)
DTMA
(dynamic thermo mechanical analysis)
E
()
EVA
copolyme etylen vinylaxetat
EVAgAM

EVAsilX
nanocompozit EVA/X%silica      
 X = 2, 3, 4, 5 ()
EVAsilXgG
nanocompozit EVA/X%silica/G%EVAgAM   
    ; G = 0.5; 1; 1.5; 2   

EVAsolX
X% TEOS 
sol-gel, X = 5; 10; 15; 20; 25 
EVAsolXg
X
sol-
FESEM


(field emission scanning electron microscope)
FTIR
(Fourier transform infrared)
G*
(complex modulus)

 (storage modulus)



vi

 (loss modulus)
GMA
glyxidyl metacrylat





tnna


tnna

HRSEM

(high resolution scanning electron microscope)
IR
(infrared)

LOI
(limiting oxygen index)
NMR
 (nuclear magnetic resonance)
PA6
polyamit
PA66
poly hexametylen adipamit
PAAm
polyacrylamit
PC
polycacbonat
PCL
polycaprolacton
PDMS
polydimetylsiloxan
PE

PEN
polyetylen 2, 6-naphtalen
PET
polyetylen terephtalat
PMMA
polymetylmetacrylat
PMP
poly(4-metyl-2-pentyn)
PP
polypropylen (iPP: isotactic PP)
PS
polystyren

PU
polyuretan
PVAc
poly vinylaxetat
SEM
(scanning electron microscope)



vii
TEM
(transmssion electron microscope)
TEOS
tetraetoxysilan
T
g


TGA
(thermal gravimetric analysis)


TMA
(thermo-mechanical analysis)
UL 94
(Un)
VA
vinylaxetat
VTES
vinyltrietoxysilan

VTMS
vinyltrimetoxysilan
WAXS
(wide angle X-ray scattering)
XRD
(X-ray diffraction)







dao



gi
'


v







viii


. CSi  
. 10
. 
 15

-g-MA. 23

-g-MA. 24
 
-g-MA. 24

 28
 30
 31
. 32
/silica. 32

             
94HB. 41

 43
-
 43

 44



ix

. IR VAsol10g
(pH=4). 46

-nocompozit
EVA/EVAgAM/silica - (b). 48
 49

pH = 1 - 6. 50

 53

 53
10
 57
 .   G     EVAsol25 
EVAsol25g. 60
 12            
 61
13
 61
 14          
 62
--
-
 64
--
 65

x
 66

 66
         
EVAsol25. 68
         
EVAsol25g. 69
  
 73
 .       nanocompozit EVA/silica
 74

 75
    
 -       
EVAgAM). 76
       -      
 79

 81
        
 82

 83
          
 85

xi
- 
nanocompozit EVA/silica. 88
 .      -      
nanocompozit EVA/silica 88
              
 90

 90

        
 92

 92
 94
          
EVAgAM. 95
           3
 96
          
 98

 103
            
  103
            
  104

xii

 108
. 
-1


 110

 112
          
 113
     
 113
          
 114
          
 114

 115




xiii

 11
   11
  11
           

 29
 33



- 6 45


 47
           
 55
 
 56
         

 56
 58
           
 60
           
 70



xiv

c nhau 71
 .        
EVA/EVAgAM/          
 72

           nocompozit
 73
          
 78

 79

 80
    
 80
         
         
EVAgAM 86

 89
           
EVAsil3 96
          
 99
          
          
 100



xv
      
 101
           
EVA/silica kh

 105
           

 106

 107

EVA/silica 107
      
1737
/A
1462
    
1737
/A
1370
 

 111

tnna

tnna

          
 117
c h
tnna

tnna


        
 117


 118
         
         
EVAgAM theo UL 94HB 119



1





, nano CdS, PbS [66]

2


, 

nanocompozit polyme/silica
 [50-52, 89-93, 101-103, 120-126].
Copolyme etylen vinyl axetat        

. EVA 

trong  ,
d[26, 42]

v[56]



[40, 48, 112, 125]. 
nanocompozit EVA/silica    sol-gel [98], 
    [24, 25]    
       




2
  khi 
-gel.
D

  nanocompozit polyme/silica        
    
[20, 52, 71, 75, 86, 112-114]



[17]. N

[18, 58]. N
            

EVA, cho 

    h th         
-

- 
-gel.
-

-                
             
 




3
 QUAN
1.1. Copolyme etylen vinyl axetat (EVA)
1.1.1
Copolyme etylen - vinyl axetat (EVA) 

             

[31]

[38, 41, 43, 56, 70]


n H

2
C CH
2
+
m H
2
C
CH
O
C O
CH
3
CH
2
CH
2
CH
2
CH
O
C O
CH
3
n
m


            

+ N 





-55%), 




4
+ Nba    90 %)
-

1.1.2.A

            -0,96
g/cm
3
-
 - 
3 - 100 MPa [21, 36
 
-60C C
-100C. 218C 
 [108].
             
xilen, toluen, clorofom, tetrahidrofuran, decalin
  O
2
, N

2
, CO
2

[21, 99].

            
       

[53]. 
et [87,
108].
1.
 EVA   3,,
              



5

 2009 - 2015) [68].

26

               
 

EVA 
 cao 
    [53].        t


EVA 
 
y
,  

 [68].
1.2. Nanosilica
1.
Silic ioxit 

2
, 
2


[9]. 






6
   

t

SiO
2

[11].
S 
2  


 - 

 n


         194      

 [33, 44, 74, 102, 104].
             
4
   

 T


2

              [11].
Sc 
. N
nm [97].