BÀI GIẢNG vật LIỆU THÀNH PHẦN của POLYME COMPOSITE

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4:6;6<!=*:/66>=/?@2=
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Polymer = poly (nhiều) + mer (phần, đơn vị). V d nha PVC
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Polyme là nh"ng hợp chất mà phân tử của chúng gồm nh"ng nhóm nguyên tử được nối với nhau
bằng liên kết hoá học và lặp di lặp lại nhiều lần tạo thành nh"ng mạch dài và có khối lượng phân tử
lớn
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Một vài điểm khác biệt gi"a nha nhiệt dẻo, nhiệt rắn và cao su
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=># 78!$#9:) 78!$#;<
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P_/?H6/?H?6
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!8E&78!$#F& !8E&78!$#9:)

:=/
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I?7→23,01
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2.2.1 Nhựa polyester không no (UPE)
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2.2.1 Nhựa polyester không no (UPE) …
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BF]%5&5_;aBf
Jf O&01/?5_;Hof
]f 5F0,N06:'OpI8G23)=2/?@2I
I,f
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`5#5FI%/?o5fa5F
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5sI28;?F%01E6_I0=F5%
I5,.;If
2.2.1 Nhựa polyester không no (UPE) …
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`FWPQf
+ styren

td68Iu?SI!WPQ

v6nd6u636

v6&nd6u36A?F0=II

36A?F/F*wOxr-1%/%ENc8G2
2.2.1 Nhựa polyester không no (UPE) …
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P5sF0,NZ0=I0=L65'f


P5FYEI2?F!F5Hf
=/8IHc'9136AS
5?7N>2If

$?o?F/5'98IF0,N066'fv6A?F%
01?)I36APFf
2.2.2 Nhựa Epoxy
78!$#;<

aI%?nIF&N'

"Y]ILTc8I'?F*@'nd6-/2?H?F>q
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B
?1JqK

ByH'?F/nd6f

c0=I→/b2?HF7Y%NA90=
I0=,98:

4()*9/-/2#

46'/6?2#
2.2.2 Nhựa Epoxy
78!$#;<
//z/z/O
P!PX8
i!5X*i"Q4X-

2.2.3 Nhựa Vinylester
78!$#;<

"#5/8+&F,9{b#%8I&F5(

4:8I6'(WPQF&F5(→?|5,n'
?#8I6|96'/I

5?F(WPQ?F→|I:!5
WPQ
So sánh tính chất ba loại nhựa
78!$#;<
So sánh tính chất ba loại nhựa
78!$#;<
Ưu điểm Nhược điểm


ij5_;
U*JO]\0-

&'()A
60=b

BF0?F
":%I82
!+*#;

46'8I='
 &'()(WPQ


}L?FII*P5-L&
N

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
BF0?F
)'+
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4:

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K
B*:-\]]K
K
B*0=-
BF0?F'
`(5*eOJq\0-
2.2.4. Nhựa Phenolic – Giới thiệu
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
aIHE2?5_;Ho'/!1IPO
~*PX-fIsFTO~~/5O~/R

BF5•+b%+:/+=E(@b%
H

`?F28I65'/0=5_;nd6@'?F
2.2.4. Nhựa Phenolic – Quá trình đóng rắn
78!$#;<

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G!#)*H#;8&#@!JI
GK!#H#;8&#@!I
"?%J2
F0,NF,8Is
/F,8Is0Z
0=I/0=F,/6
'
"?%]2
"?%e2
LC"!#@9M&!$#BF&&C&#M'B+;8NO#6)BP,MHC"NI
2.2.4. Nhựa Phenolic – ưu nhược điểm
78!$#;<

€?7

B#6#

iA&'b2?HI

46'#?@2?#8:n

&'?2#/2'#8I?H()

U(WPQ

?7

v6A?Fb2?HF6(*:8I~-5,.Fk)8I81

c@/?H%

"s/|'6,b?136A?F

•5'?F/?FI(WPQ/5#*$,‚KIb%c-
2.2.5. Nhựa chịu nhiệt
78!$#;<

"YE+8s()(*S1/ >eJƒ
K
B-/5O
8IH8I28s(

BF?H9* -/A&'()b2?H

`7ATPPCUOJq*„~CU5-

P,90=%5,.;(→0=%k)8I8G2:F&'#f

"b5<Q@5→B5F?Hb2?Hs8IA&
'?1:%]xxOeJƒ
K
B
2.3.1 Ưu điểm của composite nhựa nhiệt dẻo
578!$#9:)

"=(52/Y6=?%T2/%A/I
H/0=F,9?Fn,

`H6:/?H';.'8I6'!01HL'#


i:656!=/52dE?7T?H?H%'
'/0=966,9/5#8=%

BF7?65F0,NF,8IIb%
2.3.2 Ứng dụng composite nhựa nhiệt dẻo
578!$#9:)

II0=/?1L2T

B&5,n'52(

#?HL0,N+2!8G2(*2?69L
I?7I,F0&36A=8Is/52
??d-

5,n'==/B52??5_;Ho/!1I
55<*"X\PP-

BA=?#8:E5,.06:
2.3.3 Phân loại nhựa nhiệt dẻo
578!$#9:)
78!$#9:)
2
01
BF9LF'd7
&;T
P*PP-
P*PQ-
P*PV-

Vn*P^C-
2
=?+A
PF'd8=?+A
&;T
P8*PB-
P5*P-
P*PB-
V*PCCV-
Pn*PP^-
P//ff