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


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