At the same time, the influence factors on microphase separation of waterborne polyurethane were studied by FTIR and DSC, including soft segment type, DMPA and chain-extender contents, different NCO/OH ratio.
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美
- 同時(shí)通過(guò)紅外光譜(FTIR)、示差掃描量熱法(DSC)等手段考察了軟段組成、二羥甲基丙酸(DMPA)含量及不同NCO/OH比值和擴鏈劑用量對產(chǎn)物微相分離的影響。
