Page 59 - 涂料工业2024年第01期电子刊
P. 59
increa ed and the water a orption decrea ed. here ore,he ilicone modi ied one-component
t
polyurethane howed the wider application temperature ran e and impro ed er ice condition
or it e cellent low-temperature le i ility and hydropho icity.
l
o
ey words:polydimethyl ilo ane atent curin ne-component polyurethane
, DMS-
, ,
1-3 ,
- 4-5
实验部分
, ,
主要原料
,
6-11 ( D -80) ,
工
, ( MG-1000,M 1 000) , 探
n
12-13 Si Si 艺
索
, ( DMS- ,M 1 000) ,
n
技
, (BCA -20A) , 开
14-15 120 ,
术
, nco ol 4 , 发
, ncore
样品制备
, (7. 5) , - 1
(10. 0) , 1. 2. 1 预聚物合成
16
, 17-18 Sheth
19
1 MG DMS-
, 120~130 , 0. 010~0. 015 M a
( DMS) , DMS
2. 0~2. 5 h , 10 120
,
, 50~60 25 D -80,
,
20
80~85 , 2. 0 h,
1. 2. 2 改性聚氨酯材料的制备
,
50~60 , 15. 2 nco ol 4
,
21
0. 11 BCA -20A,
,
22
,
,
DMS-
( 23 50 )
, DMS-
72 h ,
, DMS-
, 96 h,
( DMS- ) , DMS- (
( MG) , DMS- MG ) 0 5 10 15
( D -80) , 20 25 30 -1~ -7
, 测试与表征
, DSC1
37